File: | ui/theme.c |
Warning: | line 1325, column 10 Cast a region whose size is not a multiple of the destination type size |
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1 | /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ | |||
2 | ||||
3 | /* Croma Theme Rendering */ | |||
4 | ||||
5 | /* | |||
6 | * Copyright (C) 2001 Havoc Pennington | |||
7 | * | |||
8 | * This program is free software; you can redistribute it and/or | |||
9 | * modify it under the terms of the GNU General Public License as | |||
10 | * published by the Free Software Foundation; either version 2 of the | |||
11 | * License, or (at your option) any later version. | |||
12 | * | |||
13 | * This program is distributed in the hope that it will be useful, but | |||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |||
16 | * General Public License for more details. | |||
17 | * | |||
18 | * You should have received a copy of the GNU General Public License | |||
19 | * along with this program; if not, write to the Free Software | |||
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |||
21 | * 02110-1301, USA. | |||
22 | */ | |||
23 | ||||
24 | /** | |||
25 | * \file theme.c Making Croma look pretty | |||
26 | * | |||
27 | * The window decorations drawn by Croma are described by files on disk | |||
28 | * known internally as "themes" (externally as "window border themes" on | |||
29 | * http://art.gnome.org/themes/croma/ or "Croma themes"). This file | |||
30 | * contains most of the code necessary to support themes; it does not | |||
31 | * contain the XML parser, which is in theme-parser.c. | |||
32 | * | |||
33 | * \bug This is a big file with lots of different subsystems, which might | |||
34 | * be better split out into separate files. | |||
35 | */ | |||
36 | ||||
37 | /** | |||
38 | * \defgroup tokenizer The theme expression tokenizer | |||
39 | * | |||
40 | * Themes can use a simple expression language to represent the values of | |||
41 | * things. This is the tokeniser used for that language. | |||
42 | * | |||
43 | * \bug We could remove almost all this code by using GScanner instead, | |||
44 | * but we would also have to find every expression in every existing theme | |||
45 | * we could and make sure the parse trees were the same. | |||
46 | */ | |||
47 | ||||
48 | /** | |||
49 | * \defgroup parser The theme expression parser | |||
50 | * | |||
51 | * Themes can use a simple expression language to represent the values of | |||
52 | * things. This is the parser used for that language. | |||
53 | */ | |||
54 | ||||
55 | #include <config.h> | |||
56 | #include "prefs.h" | |||
57 | #include "theme.h" | |||
58 | #include "theme-parser.h" | |||
59 | #include "util.h" | |||
60 | #include "gradient.h" | |||
61 | #include <ctk/ctk.h> | |||
62 | #include <string.h> | |||
63 | #include <stdlib.h> | |||
64 | #define __USE_XOPEN | |||
65 | #include <math.h> | |||
66 | ||||
67 | #define CDK_COLOR_RGBA(color)((guint32) (0xff | ((int)((color).red * 255) << 24) | ( (int)((color).green * 255) << 16) | ((int)((color).blue * 255) << 8))) \ | |||
68 | ((guint32) (0xff | \ | |||
69 | ((int)((color).red * 255) << 24) | \ | |||
70 | ((int)((color).green * 255) << 16) | \ | |||
71 | ((int)((color).blue * 255) << 8))) | |||
72 | ||||
73 | #define CDK_COLOR_RGB(color)((guint32) (((int)((color).red * 255) << 16) | ((int)(( color).green * 255) << 8) | ((int)((color).blue * 255)) )) \ | |||
74 | ((guint32) (((int)((color).red * 255) << 16) | \ | |||
75 | ((int)((color).green * 255) << 8) | \ | |||
76 | ((int)((color).blue * 255)))) | |||
77 | ||||
78 | #define ALPHA_TO_UCHAR(d)((unsigned char) ((d) * 255)) ((unsigned char) ((d) * 255)) | |||
79 | ||||
80 | #define DEBUG_FILL_STRUCT(s)memset ((s), 0xef, sizeof (*(s))) memset ((s), 0xef, sizeof (*(s))) | |||
81 | #define CLAMP_UCHAR(v)((guchar) ((((((int)v)) > ((int)255)) ? ((int)255) : ((((( int)v)) < ((int)0)) ? ((int)0) : (((int)v)))))) ((guchar) (CLAMP (((int)v), (int)0, (int)255)(((((int)v)) > ((int)255)) ? ((int)255) : (((((int)v)) < ((int)0)) ? ((int)0) : (((int)v)))))) | |||
82 | #define INTENSITY(r, g, b)((r) * 0.30 + (g) * 0.59 + (b) * 0.11) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11) | |||
83 | ||||
84 | static void ctk_style_shade (CdkRGBA *a, | |||
85 | CdkRGBA *b, | |||
86 | gdouble k); | |||
87 | static void rgb_to_hls (gdouble *r, | |||
88 | gdouble *g, | |||
89 | gdouble *b); | |||
90 | static void hls_to_rgb (gdouble *h, | |||
91 | gdouble *l, | |||
92 | gdouble *s); | |||
93 | ||||
94 | /** | |||
95 | * The current theme. (Themes are singleton.) | |||
96 | */ | |||
97 | static MetaTheme *meta_current_theme = NULL((void*)0); | |||
98 | ||||
99 | static cairo_surface_t * | |||
100 | scale_surface (cairo_surface_t *surface, | |||
101 | gdouble old_width, | |||
102 | gdouble old_height, | |||
103 | gdouble new_width, | |||
104 | gdouble new_height, | |||
105 | gboolean vertical_stripes, | |||
106 | gboolean horizontal_stripes) | |||
107 | { | |||
108 | gdouble scale_x; | |||
109 | gdouble scale_y; | |||
110 | cairo_content_t content; | |||
111 | gint width; | |||
112 | gint height; | |||
113 | cairo_surface_t *scaled; | |||
114 | cairo_t *cr; | |||
115 | ||||
116 | scale_x = new_width / old_width; | |||
117 | scale_y = new_height / old_height; | |||
118 | ||||
119 | if (horizontal_stripes && !vertical_stripes) | |||
120 | { | |||
121 | new_width = old_width; | |||
122 | scale_x = 1.0; | |||
123 | } | |||
124 | else if (vertical_stripes && !horizontal_stripes) | |||
125 | { | |||
126 | new_height = old_height; | |||
127 | scale_y = 1.0; | |||
128 | } | |||
129 | ||||
130 | content = CAIRO_CONTENT_COLOR_ALPHA; | |||
131 | width = ceil (new_width); | |||
132 | height = ceil (new_height); | |||
133 | ||||
134 | scaled = cairo_surface_create_similar (surface, content, width, height); | |||
135 | cr = cairo_create (scaled); | |||
136 | ||||
137 | cairo_scale (cr, scale_x, scale_y); | |||
138 | cairo_set_source_surface (cr, surface, 0, 0); | |||
139 | ||||
140 | cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); | |||
141 | ||||
142 | cairo_paint (cr); | |||
143 | cairo_destroy (cr); | |||
144 | ||||
145 | return scaled; | |||
146 | } | |||
147 | ||||
148 | static cairo_surface_t * | |||
149 | get_surface_from_pixbuf (GdkPixbuf *pixbuf, | |||
150 | MetaImageFillType fill_type, | |||
151 | gdouble width, | |||
152 | gdouble height, | |||
153 | gboolean vertical_stripes, | |||
154 | gboolean horizontal_stripes) | |||
155 | { | |||
156 | gdouble pixbuf_width; | |||
157 | gdouble pixbuf_height; | |||
158 | cairo_surface_t *surface; | |||
159 | cairo_content_t content; | |||
160 | cairo_surface_t *copy; | |||
161 | cairo_t *cr; | |||
162 | ||||
163 | pixbuf_width = gdk_pixbuf_get_width (pixbuf); | |||
164 | pixbuf_height = gdk_pixbuf_get_height (pixbuf); | |||
165 | surface = cdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL((void*)0)); | |||
166 | ||||
167 | if (pixbuf_width == width && pixbuf_height == height) | |||
168 | { | |||
169 | return surface; | |||
170 | } | |||
171 | ||||
172 | if (fill_type != META_IMAGE_FILL_TILE) | |||
173 | { | |||
174 | cairo_surface_t *scaled; | |||
175 | ||||
176 | scaled = scale_surface (surface, pixbuf_width, pixbuf_height, | |||
177 | width, height, vertical_stripes, | |||
178 | horizontal_stripes); | |||
179 | ||||
180 | cairo_surface_destroy (surface); | |||
181 | surface = scaled; | |||
182 | } | |||
183 | ||||
184 | content = CAIRO_CONTENT_COLOR_ALPHA; | |||
185 | width = ceil (width); | |||
186 | height = ceil (height); | |||
187 | ||||
188 | copy = cairo_surface_create_similar (surface, content, width, height); | |||
189 | cr = cairo_create (copy); | |||
190 | ||||
191 | cairo_set_source_surface (cr, surface, 0, 0); | |||
192 | ||||
193 | if (fill_type == META_IMAGE_FILL_TILE || | |||
194 | vertical_stripes || horizontal_stripes) | |||
195 | { | |||
196 | cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); | |||
197 | } | |||
198 | ||||
199 | cairo_paint (cr); | |||
200 | cairo_destroy (cr); | |||
201 | ||||
202 | cairo_surface_destroy (surface); | |||
203 | ||||
204 | return copy; | |||
205 | } | |||
206 | ||||
207 | static GdkPixbuf * | |||
208 | colorize_pixbuf (GdkPixbuf *orig, | |||
209 | CdkRGBA *new_color) | |||
210 | { | |||
211 | GdkPixbuf *pixbuf; | |||
212 | double intensity; | |||
213 | int x, y; | |||
214 | const guchar *src; | |||
215 | int orig_rowstride; | |||
216 | int dest_rowstride; | |||
217 | int width, height; | |||
218 | gboolean has_alpha; | |||
219 | const guchar *src_pixels; | |||
220 | guchar *dest_pixels; | |||
221 | ||||
222 | pixbuf = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (orig), gdk_pixbuf_get_has_alpha (orig), | |||
223 | gdk_pixbuf_get_bits_per_sample (orig), | |||
224 | gdk_pixbuf_get_width (orig), gdk_pixbuf_get_height (orig)); | |||
225 | ||||
226 | if (pixbuf == NULL((void*)0)) | |||
227 | return NULL((void*)0); | |||
228 | ||||
229 | orig_rowstride = gdk_pixbuf_get_rowstride (orig); | |||
230 | dest_rowstride = gdk_pixbuf_get_rowstride (pixbuf); | |||
231 | width = gdk_pixbuf_get_width (pixbuf); | |||
232 | height = gdk_pixbuf_get_height (pixbuf); | |||
233 | has_alpha = gdk_pixbuf_get_has_alpha (orig); | |||
234 | src_pixels = gdk_pixbuf_get_pixels (orig); | |||
235 | dest_pixels = gdk_pixbuf_get_pixels (pixbuf); | |||
236 | ||||
237 | for (y = 0; y < height; y++) | |||
238 | { | |||
239 | guchar *dest; | |||
240 | ||||
241 | src = src_pixels + y * orig_rowstride; | |||
242 | dest = dest_pixels + y * dest_rowstride; | |||
243 | ||||
244 | for (x = 0; x < width; x++) | |||
245 | { | |||
246 | double dr, dg, db; | |||
247 | ||||
248 | intensity = INTENSITY (src[0], src[1], src[2])((src[0]) * 0.30 + (src[1]) * 0.59 + (src[2]) * 0.11) / 255.0; | |||
249 | ||||
250 | if (intensity <= 0.5) | |||
251 | { | |||
252 | /* Go from black at intensity = 0.0 to new_color at intensity = 0.5 */ | |||
253 | dr = new_color->red * intensity * 2.0; | |||
254 | dg = new_color->green * intensity * 2.0; | |||
255 | db = new_color->blue * intensity * 2.0; | |||
256 | } | |||
257 | else | |||
258 | { | |||
259 | /* Go from new_color at intensity = 0.5 to white at intensity = 1.0 */ | |||
260 | dr = new_color->red + (1.0 - new_color->red) * (intensity - 0.5) * 2.0; | |||
261 | dg = new_color->green + (1.0 - new_color->green) * (intensity - 0.5) * 2.0; | |||
262 | db = new_color->blue + (1.0 - new_color->blue) * (intensity - 0.5) * 2.0; | |||
263 | } | |||
264 | ||||
265 | dest[0] = CLAMP_UCHAR (255 * dr)((guchar) ((((((int)255 * dr)) > ((int)255)) ? ((int)255) : (((((int)255 * dr)) < ((int)0)) ? ((int)0) : (((int)255 * dr)))))); | |||
266 | dest[1] = CLAMP_UCHAR (255 * dg)((guchar) ((((((int)255 * dg)) > ((int)255)) ? ((int)255) : (((((int)255 * dg)) < ((int)0)) ? ((int)0) : (((int)255 * dg)))))); | |||
267 | dest[2] = CLAMP_UCHAR (255 * db)((guchar) ((((((int)255 * db)) > ((int)255)) ? ((int)255) : (((((int)255 * db)) < ((int)0)) ? ((int)0) : (((int)255 * db)))))); | |||
268 | ||||
269 | if (has_alpha) | |||
270 | { | |||
271 | dest[3] = src[3]; | |||
272 | src += 4; | |||
273 | dest += 4; | |||
274 | } | |||
275 | else | |||
276 | { | |||
277 | src += 3; | |||
278 | dest += 3; | |||
279 | } | |||
280 | } | |||
281 | } | |||
282 | ||||
283 | return pixbuf; | |||
284 | } | |||
285 | ||||
286 | static void | |||
287 | color_composite (const CdkRGBA *bg, | |||
288 | const CdkRGBA *fg, | |||
289 | double alpha, | |||
290 | CdkRGBA *color) | |||
291 | { | |||
292 | *color = *bg; | |||
293 | color->red = color->red + (fg->red - color->red) * alpha; | |||
294 | color->green = color->green + (fg->green - color->green) * alpha; | |||
295 | color->blue = color->blue + (fg->blue - color->blue) * alpha; | |||
296 | } | |||
297 | ||||
298 | /** | |||
299 | * Sets all the fields of a border to dummy values. | |||
300 | * | |||
301 | * \param border The border whose fields should be reset. | |||
302 | */ | |||
303 | static void | |||
304 | init_border (CtkBorder *border) | |||
305 | { | |||
306 | border->top = -1; | |||
307 | border->bottom = -1; | |||
308 | border->left = -1; | |||
309 | border->right = -1; | |||
310 | } | |||
311 | ||||
312 | /** | |||
313 | * Creates a new, empty MetaFrameLayout. The fields will be set to dummy | |||
314 | * values. | |||
315 | * | |||
316 | * \return The newly created MetaFrameLayout. | |||
317 | */ | |||
318 | MetaFrameLayout* | |||
319 | meta_frame_layout_new (void) | |||
320 | { | |||
321 | MetaFrameLayout *layout; | |||
322 | ||||
323 | layout = g_new0 (MetaFrameLayout, 1)((MetaFrameLayout *) g_malloc0_n ((1), sizeof (MetaFrameLayout ))); | |||
324 | ||||
325 | layout->refcount = 1; | |||
326 | ||||
327 | /* Fill with -1 values to detect invalid themes */ | |||
328 | layout->left_width = -1; | |||
329 | layout->right_width = -1; | |||
330 | layout->bottom_height = -1; | |||
331 | ||||
332 | layout->invisible_border.left = 10; | |||
333 | layout->invisible_border.right = 10; | |||
334 | layout->invisible_border.bottom = 10; | |||
335 | layout->invisible_border.top = 10; | |||
336 | ||||
337 | init_border (&layout->title_border); | |||
338 | ||||
339 | layout->title_vertical_pad = -1; | |||
340 | ||||
341 | layout->right_titlebar_edge = -1; | |||
342 | layout->left_titlebar_edge = -1; | |||
343 | ||||
344 | layout->button_sizing = META_BUTTON_SIZING_LAST; | |||
345 | layout->button_aspect = 1.0; | |||
346 | layout->button_width = -1; | |||
347 | layout->button_height = -1; | |||
348 | ||||
349 | layout->has_title = TRUE(!(0)); | |||
350 | layout->title_scale = 1.0; | |||
351 | ||||
352 | init_border (&layout->button_border); | |||
353 | ||||
354 | return layout; | |||
355 | } | |||
356 | ||||
357 | /** | |||
358 | * | |||
359 | */ | |||
360 | static gboolean | |||
361 | validate_border (const CtkBorder *border, | |||
362 | const char **bad) | |||
363 | { | |||
364 | *bad = NULL((void*)0); | |||
365 | ||||
366 | if (border->top < 0) | |||
367 | *bad = _("top")dgettext ("croma", "top"); | |||
368 | else if (border->bottom < 0) | |||
369 | *bad = _("bottom")dgettext ("croma", "bottom"); | |||
370 | else if (border->left < 0) | |||
371 | *bad = _("left")dgettext ("croma", "left"); | |||
372 | else if (border->right < 0) | |||
373 | *bad = _("right")dgettext ("croma", "right"); | |||
374 | ||||
375 | return *bad == NULL((void*)0); | |||
376 | } | |||
377 | ||||
378 | /** | |||
379 | * Ensures that the theme supplied a particular dimension. When a | |||
380 | * MetaFrameLayout is created, all its integer fields are set to -1 | |||
381 | * by meta_frame_layout_new(). After an instance of this type | |||
382 | * should have been initialised, this function checks that | |||
383 | * a given field is not still at -1. It is never called directly, but | |||
384 | * rather via the CHECK_GEOMETRY_VALUE and CHECK_GEOMETRY_BORDER | |||
385 | * macros. | |||
386 | * | |||
387 | * \param val The value to check | |||
388 | * \param name The name to use in the error message | |||
389 | * \param[out] error Set to an error if val was not initialised | |||
390 | */ | |||
391 | static gboolean | |||
392 | validate_geometry_value (int val, | |||
393 | const char *name, | |||
394 | GError **error) | |||
395 | { | |||
396 | if (val < 0) | |||
397 | { | |||
398 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
399 | META_THEME_ERROR_FRAME_GEOMETRY, | |||
400 | _("frame geometry does not specify \"%s\" dimension")dgettext ("croma", "frame geometry does not specify \"%s\" dimension" ), | |||
401 | name); | |||
402 | return FALSE(0); | |||
403 | } | |||
404 | else | |||
405 | return TRUE(!(0)); | |||
406 | } | |||
407 | ||||
408 | static gboolean | |||
409 | validate_geometry_border (const CtkBorder *border, | |||
410 | const char *name, | |||
411 | GError **error) | |||
412 | { | |||
413 | const char *bad; | |||
414 | ||||
415 | if (!validate_border (border, &bad)) | |||
416 | { | |||
417 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
418 | META_THEME_ERROR_FRAME_GEOMETRY, | |||
419 | _("frame geometry does not specify dimension \"%s\" for border \"%s\"")dgettext ("croma", "frame geometry does not specify dimension \"%s\" for border \"%s\"" ), | |||
420 | bad, name); | |||
421 | return FALSE(0); | |||
422 | } | |||
423 | else | |||
424 | return TRUE(!(0)); | |||
425 | } | |||
426 | ||||
427 | gboolean | |||
428 | meta_frame_layout_validate (const MetaFrameLayout *layout, | |||
429 | GError **error) | |||
430 | { | |||
431 | g_return_val_if_fail (layout != NULL, FALSE)do { if ((layout != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "layout != NULL"); return ((0)); } } while (0); | |||
432 | ||||
433 | #define CHECK_GEOMETRY_VALUE(vname)if (!validate_geometry_value (layout->vname, "vname", error )) return (0) if (!validate_geometry_value (layout->vname, #vname, error)) return FALSE(0) | |||
434 | ||||
435 | #define CHECK_GEOMETRY_BORDER(bname)if (!validate_geometry_border (&layout->bname, "bname" , error)) return (0) if (!validate_geometry_border (&layout->bname, #bname, error)) return FALSE(0) | |||
436 | ||||
437 | CHECK_GEOMETRY_VALUE (left_width)if (!validate_geometry_value (layout->left_width, "left_width" , error)) return (0); | |||
438 | CHECK_GEOMETRY_VALUE (right_width)if (!validate_geometry_value (layout->right_width, "right_width" , error)) return (0); | |||
439 | CHECK_GEOMETRY_VALUE (bottom_height)if (!validate_geometry_value (layout->bottom_height, "bottom_height" , error)) return (0); | |||
440 | ||||
441 | CHECK_GEOMETRY_BORDER (title_border)if (!validate_geometry_border (&layout->title_border, "title_border" , error)) return (0); | |||
442 | ||||
443 | CHECK_GEOMETRY_VALUE (title_vertical_pad)if (!validate_geometry_value (layout->title_vertical_pad, "title_vertical_pad" , error)) return (0); | |||
444 | ||||
445 | CHECK_GEOMETRY_VALUE (right_titlebar_edge)if (!validate_geometry_value (layout->right_titlebar_edge, "right_titlebar_edge", error)) return (0); | |||
446 | CHECK_GEOMETRY_VALUE (left_titlebar_edge)if (!validate_geometry_value (layout->left_titlebar_edge, "left_titlebar_edge" , error)) return (0); | |||
447 | ||||
448 | switch (layout->button_sizing) | |||
449 | { | |||
450 | case META_BUTTON_SIZING_ASPECT: | |||
451 | if (layout->button_aspect < (0.1) || | |||
452 | layout->button_aspect > (15.0)) | |||
453 | { | |||
454 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
455 | META_THEME_ERROR_FRAME_GEOMETRY, | |||
456 | _("Button aspect ratio %g is not reasonable")dgettext ("croma", "Button aspect ratio %g is not reasonable" ), | |||
457 | layout->button_aspect); | |||
458 | return FALSE(0); | |||
459 | } | |||
460 | break; | |||
461 | case META_BUTTON_SIZING_FIXED: | |||
462 | CHECK_GEOMETRY_VALUE (button_width)if (!validate_geometry_value (layout->button_width, "button_width" , error)) return (0); | |||
463 | CHECK_GEOMETRY_VALUE (button_height)if (!validate_geometry_value (layout->button_height, "button_height" , error)) return (0); | |||
464 | break; | |||
465 | case META_BUTTON_SIZING_LAST: | |||
466 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
467 | META_THEME_ERROR_FRAME_GEOMETRY, | |||
468 | _("Frame geometry does not specify size of buttons")dgettext ("croma", "Frame geometry does not specify size of buttons" )); | |||
469 | return FALSE(0); | |||
470 | } | |||
471 | ||||
472 | CHECK_GEOMETRY_BORDER (button_border)if (!validate_geometry_border (&layout->button_border, "button_border", error)) return (0); | |||
473 | ||||
474 | return TRUE(!(0)); | |||
475 | } | |||
476 | ||||
477 | MetaFrameLayout* | |||
478 | meta_frame_layout_copy (const MetaFrameLayout *src) | |||
479 | { | |||
480 | MetaFrameLayout *layout; | |||
481 | ||||
482 | layout = g_new0 (MetaFrameLayout, 1)((MetaFrameLayout *) g_malloc0_n ((1), sizeof (MetaFrameLayout ))); | |||
483 | ||||
484 | *layout = *src; | |||
485 | ||||
486 | layout->refcount = 1; | |||
487 | ||||
488 | return layout; | |||
489 | } | |||
490 | ||||
491 | void | |||
492 | meta_frame_layout_ref (MetaFrameLayout *layout) | |||
493 | { | |||
494 | g_return_if_fail (layout != NULL)do { if ((layout != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "layout != NULL"); return ; } } while (0); | |||
495 | ||||
496 | layout->refcount += 1; | |||
497 | } | |||
498 | ||||
499 | void | |||
500 | meta_frame_layout_unref (MetaFrameLayout *layout) | |||
501 | { | |||
502 | g_return_if_fail (layout != NULL)do { if ((layout != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "layout != NULL"); return ; } } while (0); | |||
503 | g_return_if_fail (layout->refcount > 0)do { if ((layout->refcount > 0)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "layout->refcount > 0" ); return; } } while (0); | |||
504 | ||||
505 | layout->refcount -= 1; | |||
506 | ||||
507 | if (layout->refcount == 0) | |||
508 | { | |||
509 | DEBUG_FILL_STRUCT (layout)memset ((layout), 0xef, sizeof (*(layout))); | |||
510 | g_free (layout); | |||
511 | } | |||
512 | } | |||
513 | ||||
514 | void | |||
515 | meta_frame_layout_get_borders (const MetaFrameLayout *layout, | |||
516 | int text_height, | |||
517 | MetaFrameFlags flags, | |||
518 | MetaFrameBorders *borders) | |||
519 | { | |||
520 | int buttons_height, title_height; | |||
521 | ||||
522 | meta_frame_borders_clear (borders); | |||
523 | ||||
524 | /* For a full-screen window, we don't have any borders, visible or not. */ | |||
525 | if (flags & META_FRAME_FULLSCREEN) | |||
526 | return; | |||
527 | ||||
528 | g_return_if_fail (layout != NULL)do { if ((layout != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "layout != NULL"); return ; } } while (0); | |||
529 | ||||
530 | if (!layout->has_title) | |||
531 | text_height = 0; | |||
532 | ||||
533 | buttons_height = layout->button_height + | |||
534 | layout->button_border.top + layout->button_border.bottom; | |||
535 | title_height = text_height + | |||
536 | layout->title_vertical_pad + | |||
537 | layout->title_border.top + layout->title_border.bottom; | |||
538 | ||||
539 | borders->visible.top = MAX (buttons_height, title_height)(((buttons_height) > (title_height)) ? (buttons_height) : ( title_height)); | |||
540 | borders->visible.left = layout->left_width; | |||
541 | borders->visible.right = layout->right_width; | |||
542 | borders->visible.bottom = layout->bottom_height; | |||
543 | ||||
544 | if (flags & META_FRAME_ALLOWS_HORIZONTAL_RESIZE) | |||
545 | { | |||
546 | borders->invisible.left = layout->invisible_border.left; | |||
547 | borders->invisible.right = layout->invisible_border.right; | |||
548 | } | |||
549 | ||||
550 | if (flags & META_FRAME_ALLOWS_VERTICAL_RESIZE) | |||
551 | { | |||
552 | borders->invisible.bottom = layout->invisible_border.bottom; | |||
553 | borders->invisible.top = layout->invisible_border.top; | |||
554 | } | |||
555 | ||||
556 | if (flags & META_FRAME_SHADED) | |||
557 | borders->visible.bottom = borders->invisible.bottom = 0; | |||
558 | ||||
559 | borders->total.left = borders->invisible.left + borders->visible.left; | |||
560 | borders->total.right = borders->invisible.right + borders->visible.right; | |||
561 | borders->total.bottom = borders->invisible.bottom + borders->visible.bottom; | |||
562 | borders->total.top = borders->invisible.top + borders->visible.top; | |||
563 | } | |||
564 | ||||
565 | static MetaButtonType | |||
566 | map_button_function_to_type (MetaButtonFunction function) | |||
567 | { | |||
568 | switch (function) | |||
569 | { | |||
570 | case META_BUTTON_FUNCTION_SHADE: | |||
571 | return META_BUTTON_TYPE_SHADE; | |||
572 | case META_BUTTON_FUNCTION_ABOVE: | |||
573 | return META_BUTTON_TYPE_ABOVE; | |||
574 | case META_BUTTON_FUNCTION_STICK: | |||
575 | return META_BUTTON_TYPE_STICK; | |||
576 | case META_BUTTON_FUNCTION_UNSHADE: | |||
577 | return META_BUTTON_TYPE_UNSHADE; | |||
578 | case META_BUTTON_FUNCTION_UNABOVE: | |||
579 | return META_BUTTON_TYPE_UNABOVE; | |||
580 | case META_BUTTON_FUNCTION_UNSTICK: | |||
581 | return META_BUTTON_TYPE_UNSTICK; | |||
582 | case META_BUTTON_FUNCTION_MENU: | |||
583 | return META_BUTTON_TYPE_MENU; | |||
584 | case META_BUTTON_FUNCTION_APPMENU: | |||
585 | return META_BUTTON_TYPE_APPMENU; | |||
586 | case META_BUTTON_FUNCTION_MINIMIZE: | |||
587 | return META_BUTTON_TYPE_MINIMIZE; | |||
588 | case META_BUTTON_FUNCTION_MAXIMIZE: | |||
589 | return META_BUTTON_TYPE_MAXIMIZE; | |||
590 | case META_BUTTON_FUNCTION_CLOSE: | |||
591 | return META_BUTTON_TYPE_CLOSE; | |||
592 | case META_BUTTON_FUNCTION_LAST: | |||
593 | return META_BUTTON_TYPE_LAST; | |||
594 | } | |||
595 | ||||
596 | return META_BUTTON_TYPE_LAST; | |||
597 | } | |||
598 | ||||
599 | static MetaButtonSpace* | |||
600 | rect_for_function (MetaFrameGeometry *fgeom, | |||
601 | MetaFrameFlags flags, | |||
602 | MetaButtonFunction function, | |||
603 | MetaTheme *theme) | |||
604 | { | |||
605 | ||||
606 | /* Firstly, check version-specific things. */ | |||
607 | ||||
608 | if (META_THEME_ALLOWS(theme, META_THEME_SHADE_STICK_ABOVE_BUTTONS)(theme->format_version >= 2)) | |||
609 | { | |||
610 | switch (function) | |||
611 | { | |||
612 | case META_BUTTON_FUNCTION_SHADE: | |||
613 | if ((flags & META_FRAME_ALLOWS_SHADE) && !(flags & META_FRAME_SHADED)) | |||
614 | return &fgeom->shade_rect; | |||
615 | else | |||
616 | return NULL((void*)0); | |||
617 | case META_BUTTON_FUNCTION_ABOVE: | |||
618 | if (!(flags & META_FRAME_ABOVE)) | |||
619 | return &fgeom->above_rect; | |||
620 | else | |||
621 | return NULL((void*)0); | |||
622 | case META_BUTTON_FUNCTION_STICK: | |||
623 | if (!(flags & META_FRAME_STUCK)) | |||
624 | return &fgeom->stick_rect; | |||
625 | else | |||
626 | return NULL((void*)0); | |||
627 | case META_BUTTON_FUNCTION_UNSHADE: | |||
628 | if ((flags & META_FRAME_ALLOWS_SHADE) && (flags & META_FRAME_SHADED)) | |||
629 | return &fgeom->unshade_rect; | |||
630 | else | |||
631 | return NULL((void*)0); | |||
632 | case META_BUTTON_FUNCTION_UNABOVE: | |||
633 | if (flags & META_FRAME_ABOVE) | |||
634 | return &fgeom->unabove_rect; | |||
635 | else | |||
636 | return NULL((void*)0); | |||
637 | case META_BUTTON_FUNCTION_UNSTICK: | |||
638 | if (flags & META_FRAME_STUCK) | |||
639 | return &fgeom->unstick_rect; | |||
640 | default: | |||
641 | /* just go on to the next switch block */; | |||
642 | } | |||
643 | } | |||
644 | ||||
645 | /* now consider the buttons which exist in all versions */ | |||
646 | ||||
647 | switch (function) | |||
648 | { | |||
649 | case META_BUTTON_FUNCTION_MENU: | |||
650 | if (flags & META_FRAME_ALLOWS_MENU) | |||
651 | return &fgeom->menu_rect; | |||
652 | else | |||
653 | return NULL((void*)0); | |||
654 | case META_BUTTON_FUNCTION_APPMENU: | |||
655 | if (flags & META_FRAME_ALLOWS_APPMENU) | |||
656 | return &fgeom->appmenu_rect; | |||
657 | else | |||
658 | return NULL((void*)0); | |||
659 | case META_BUTTON_FUNCTION_MINIMIZE: | |||
660 | if (flags & META_FRAME_ALLOWS_MINIMIZE) | |||
661 | return &fgeom->min_rect; | |||
662 | else | |||
663 | return NULL((void*)0); | |||
664 | case META_BUTTON_FUNCTION_MAXIMIZE: | |||
665 | if (flags & META_FRAME_ALLOWS_MAXIMIZE) | |||
666 | return &fgeom->max_rect; | |||
667 | else | |||
668 | return NULL((void*)0); | |||
669 | case META_BUTTON_FUNCTION_CLOSE: | |||
670 | if (flags & META_FRAME_ALLOWS_DELETE) | |||
671 | return &fgeom->close_rect; | |||
672 | else | |||
673 | return NULL((void*)0); | |||
674 | case META_BUTTON_FUNCTION_STICK: | |||
675 | case META_BUTTON_FUNCTION_SHADE: | |||
676 | case META_BUTTON_FUNCTION_ABOVE: | |||
677 | case META_BUTTON_FUNCTION_UNSTICK: | |||
678 | case META_BUTTON_FUNCTION_UNSHADE: | |||
679 | case META_BUTTON_FUNCTION_UNABOVE: | |||
680 | /* we are being asked for a >v1 button which hasn't been handled yet, | |||
681 | * so obviously we're not in a theme which supports that version. | |||
682 | * therefore, we don't show the button. return NULL and all will | |||
683 | * be well. | |||
684 | */ | |||
685 | return NULL((void*)0); | |||
686 | ||||
687 | case META_BUTTON_FUNCTION_LAST: | |||
688 | return NULL((void*)0); | |||
689 | } | |||
690 | ||||
691 | return NULL((void*)0); | |||
692 | } | |||
693 | ||||
694 | static gboolean | |||
695 | strip_button (MetaButtonSpace *func_rects[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST], | |||
696 | CdkRectangle *bg_rects[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST], | |||
697 | int *n_rects, | |||
698 | MetaButtonSpace *to_strip) | |||
699 | { | |||
700 | int i; | |||
701 | ||||
702 | i = 0; | |||
703 | while (i < *n_rects) | |||
704 | { | |||
705 | if (func_rects[i] == to_strip) | |||
706 | { | |||
707 | *n_rects -= 1; | |||
708 | ||||
709 | /* shift the other rects back in the array */ | |||
710 | while (i < *n_rects) | |||
711 | { | |||
712 | func_rects[i] = func_rects[i+1]; | |||
713 | bg_rects[i] = bg_rects[i+1]; | |||
714 | ||||
715 | ++i; | |||
716 | } | |||
717 | ||||
718 | func_rects[i] = NULL((void*)0); | |||
719 | bg_rects[i] = NULL((void*)0); | |||
720 | ||||
721 | return TRUE(!(0)); | |||
722 | } | |||
723 | ||||
724 | ++i; | |||
725 | } | |||
726 | ||||
727 | return FALSE(0); /* did not strip anything */ | |||
728 | } | |||
729 | ||||
730 | void | |||
731 | meta_frame_layout_calc_geometry (const MetaFrameLayout *layout, | |||
732 | int text_height, | |||
733 | MetaFrameFlags flags, | |||
734 | int client_width, | |||
735 | int client_height, | |||
736 | const MetaButtonLayout *button_layout, | |||
737 | MetaFrameGeometry *fgeom, | |||
738 | MetaTheme *theme) | |||
739 | { | |||
740 | int i, n_left, n_right, n_left_spacers, n_right_spacers; | |||
741 | int x; | |||
742 | int button_y; | |||
743 | int title_right_edge; | |||
744 | int width, height; | |||
745 | int button_width, button_height; | |||
746 | int min_size_for_rounding; | |||
747 | ||||
748 | /* the left/right rects in order; the max # of rects | |||
749 | * is the number of button functions | |||
750 | */ | |||
751 | MetaButtonSpace *left_func_rects[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST]; | |||
752 | MetaButtonSpace *right_func_rects[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST]; | |||
753 | CdkRectangle *left_bg_rects[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST]; | |||
754 | gboolean left_buttons_has_spacer[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST]; | |||
755 | CdkRectangle *right_bg_rects[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST]; | |||
756 | gboolean right_buttons_has_spacer[MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST]; | |||
757 | ||||
758 | MetaFrameBorders borders; | |||
759 | ||||
760 | meta_frame_layout_get_borders (layout, text_height, | |||
761 | flags, | |||
762 | &borders); | |||
763 | ||||
764 | fgeom->borders = borders; | |||
765 | ||||
766 | width = client_width + borders.total.left + borders.total.right; | |||
767 | ||||
768 | height = ((flags & META_FRAME_SHADED) ? 0: client_height) + | |||
769 | borders.total.top + borders.total.bottom; | |||
770 | ||||
771 | fgeom->width = width; | |||
772 | fgeom->height = height; | |||
773 | ||||
774 | fgeom->top_titlebar_edge = layout->title_border.top; | |||
775 | fgeom->bottom_titlebar_edge = layout->title_border.bottom; | |||
776 | fgeom->left_titlebar_edge = layout->left_titlebar_edge; | |||
777 | fgeom->right_titlebar_edge = layout->right_titlebar_edge; | |||
778 | ||||
779 | switch (layout->button_sizing) | |||
780 | { | |||
781 | case META_BUTTON_SIZING_ASPECT: | |||
782 | button_height = borders.visible.top - layout->button_border.top - layout->button_border.bottom; | |||
783 | button_width = button_height / layout->button_aspect; | |||
784 | break; | |||
785 | case META_BUTTON_SIZING_FIXED: | |||
786 | button_width = layout->button_width; | |||
787 | button_height = layout->button_height; | |||
788 | break; | |||
789 | case META_BUTTON_SIZING_LAST: | |||
790 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 790, (( const char*) (__func__)), ((void*)0)); } while (0); | |||
791 | default: | |||
792 | button_width = -1; | |||
793 | button_height = -1; | |||
794 | } | |||
795 | ||||
796 | /* FIXME all this code sort of pretends that duplicate buttons | |||
797 | * with the same function are allowed, but that breaks the | |||
798 | * code in frames.c, so isn't really allowed right now. | |||
799 | * Would need left_close_rect, right_close_rect, etc. | |||
800 | */ | |||
801 | ||||
802 | /* Init all button rects to 0, lame hack */ | |||
803 | memset (ADDRESS_OF_BUTTON_RECTS (fgeom)(((char*)(fgeom)) + ((glong) __builtin_offsetof(MetaFrameGeometry , close_rect))), '\0', | |||
804 | LENGTH_OF_BUTTON_RECTS(((glong) __builtin_offsetof(MetaFrameGeometry, right_single_background )) + sizeof (CdkRectangle) - ((glong) __builtin_offsetof(MetaFrameGeometry , close_rect)))); | |||
805 | ||||
806 | n_left = 0; | |||
807 | n_right = 0; | |||
808 | n_left_spacers = 0; | |||
809 | n_right_spacers = 0; | |||
810 | ||||
811 | if (!layout->hide_buttons) | |||
812 | { | |||
813 | /* Try to fill in rects */ | |||
814 | for (i = 0; i < MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST && button_layout->left_buttons[i] != META_BUTTON_FUNCTION_LAST; i++) | |||
815 | { | |||
816 | left_func_rects[n_left] = rect_for_function (fgeom, flags, | |||
817 | button_layout->left_buttons[i], | |||
818 | theme); | |||
819 | if (left_func_rects[n_left] != NULL((void*)0)) | |||
820 | { | |||
821 | left_buttons_has_spacer[n_left] = button_layout->left_buttons_has_spacer[i]; | |||
822 | if (button_layout->left_buttons_has_spacer[i]) | |||
823 | ++n_left_spacers; | |||
824 | ||||
825 | ++n_left; | |||
826 | } | |||
827 | } | |||
828 | ||||
829 | for (i = 0; i < MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST && button_layout->right_buttons[i] != META_BUTTON_FUNCTION_LAST; i++) | |||
830 | { | |||
831 | right_func_rects[n_right] = rect_for_function (fgeom, flags, | |||
832 | button_layout->right_buttons[i], | |||
833 | theme); | |||
834 | if (right_func_rects[n_right] != NULL((void*)0)) | |||
835 | { | |||
836 | right_buttons_has_spacer[n_right] = button_layout->right_buttons_has_spacer[i]; | |||
837 | if (button_layout->right_buttons_has_spacer[i]) | |||
838 | ++n_right_spacers; | |||
839 | ||||
840 | ++n_right; | |||
841 | } | |||
842 | } | |||
843 | } | |||
844 | ||||
845 | for (i = 0; i < MAX_BUTTONS_PER_CORNERMETA_BUTTON_FUNCTION_LAST; i++) | |||
846 | { | |||
847 | left_bg_rects[i] = NULL((void*)0); | |||
848 | right_bg_rects[i] = NULL((void*)0); | |||
849 | } | |||
850 | ||||
851 | for (i = 0; i < n_left; i++) | |||
852 | { | |||
853 | if (n_left == 1) | |||
854 | left_bg_rects[i] = &fgeom->left_single_background; | |||
855 | else if (i == 0) | |||
856 | left_bg_rects[i] = &fgeom->left_left_background; | |||
857 | else if (i == (n_left - 1)) | |||
858 | left_bg_rects[i] = &fgeom->left_right_background; | |||
859 | else | |||
860 | left_bg_rects[i] = &fgeom->left_middle_backgrounds[i - 1]; | |||
861 | } | |||
862 | ||||
863 | for (i = 0; i < n_right; i++) | |||
864 | { | |||
865 | if (n_right == 1) | |||
866 | right_bg_rects[i] = &fgeom->right_single_background; | |||
867 | else if (i == (n_right - 1)) | |||
868 | right_bg_rects[i] = &fgeom->right_right_background; | |||
869 | else if (i == 0) | |||
870 | right_bg_rects[i] = &fgeom->right_left_background; | |||
871 | else | |||
872 | right_bg_rects[i] = &fgeom->right_middle_backgrounds[i - 1]; | |||
873 | } | |||
874 | ||||
875 | /* Be sure buttons fit */ | |||
876 | while (n_left > 0 || n_right > 0) | |||
877 | { | |||
878 | int space_used_by_buttons; | |||
879 | int space_available; | |||
880 | ||||
881 | space_available = fgeom->width - layout->left_titlebar_edge - layout->right_titlebar_edge; | |||
882 | ||||
883 | space_used_by_buttons = 0; | |||
884 | ||||
885 | space_used_by_buttons += button_width * n_left; | |||
886 | space_used_by_buttons += (button_width * 0.75) * n_left_spacers; | |||
887 | space_used_by_buttons += layout->button_border.left * n_left; | |||
888 | space_used_by_buttons += layout->button_border.right * n_left; | |||
889 | ||||
890 | space_used_by_buttons += button_width * n_right; | |||
891 | space_used_by_buttons += (button_width * 0.75) * n_right_spacers; | |||
892 | space_used_by_buttons += layout->button_border.left * n_right; | |||
893 | space_used_by_buttons += layout->button_border.right * n_right; | |||
894 | ||||
895 | if (space_used_by_buttons <= space_available) | |||
896 | break; /* Everything fits, bail out */ | |||
897 | ||||
898 | /* First try to remove separators */ | |||
899 | if (n_left_spacers > 0) | |||
900 | { | |||
901 | left_buttons_has_spacer[--n_left_spacers] = FALSE(0); | |||
902 | continue; | |||
903 | } | |||
904 | else if (n_right_spacers > 0) | |||
905 | { | |||
906 | right_buttons_has_spacer[--n_right_spacers] = FALSE(0); | |||
907 | continue; | |||
908 | } | |||
909 | ||||
910 | /* Otherwise we need to shave out a button. Shave | |||
911 | * above, stick, shade, min, max, close, then menu (menu is most useful); | |||
912 | * prefer the default button locations. | |||
913 | */ | |||
914 | if (strip_button (left_func_rects, left_bg_rects, | |||
915 | &n_left, &fgeom->above_rect)) | |||
916 | continue; | |||
917 | else if (strip_button (right_func_rects, right_bg_rects, | |||
918 | &n_right, &fgeom->above_rect)) | |||
919 | continue; | |||
920 | else if (strip_button (left_func_rects, left_bg_rects, | |||
921 | &n_left, &fgeom->stick_rect)) | |||
922 | continue; | |||
923 | else if (strip_button (right_func_rects, right_bg_rects, | |||
924 | &n_right, &fgeom->stick_rect)) | |||
925 | continue; | |||
926 | else if (strip_button (left_func_rects, left_bg_rects, | |||
927 | &n_left, &fgeom->shade_rect)) | |||
928 | continue; | |||
929 | else if (strip_button (right_func_rects, right_bg_rects, | |||
930 | &n_right, &fgeom->shade_rect)) | |||
931 | continue; | |||
932 | else if (strip_button (left_func_rects, left_bg_rects, | |||
933 | &n_left, &fgeom->min_rect)) | |||
934 | continue; | |||
935 | else if (strip_button (right_func_rects, right_bg_rects, | |||
936 | &n_right, &fgeom->min_rect)) | |||
937 | continue; | |||
938 | else if (strip_button (left_func_rects, left_bg_rects, | |||
939 | &n_left, &fgeom->max_rect)) | |||
940 | continue; | |||
941 | else if (strip_button (right_func_rects, right_bg_rects, | |||
942 | &n_right, &fgeom->max_rect)) | |||
943 | continue; | |||
944 | else if (strip_button (left_func_rects, left_bg_rects, | |||
945 | &n_left, &fgeom->close_rect)) | |||
946 | continue; | |||
947 | else if (strip_button (right_func_rects, right_bg_rects, | |||
948 | &n_right, &fgeom->close_rect)) | |||
949 | continue; | |||
950 | else if (strip_button (right_func_rects, right_bg_rects, | |||
951 | &n_right, &fgeom->menu_rect)) | |||
952 | continue; | |||
953 | else if (strip_button (left_func_rects, left_bg_rects, | |||
954 | &n_left, &fgeom->menu_rect)) | |||
955 | continue; | |||
956 | else if (strip_button (right_func_rects, right_bg_rects, | |||
957 | &n_right, &fgeom->appmenu_rect)) | |||
958 | continue; | |||
959 | else if (strip_button (left_func_rects, left_bg_rects, | |||
960 | &n_left, &fgeom->appmenu_rect)) | |||
961 | continue; | |||
962 | else | |||
963 | { | |||
964 | meta_bug ("Could not find a button to strip. n_left = %d n_right = %d\n", | |||
965 | n_left, n_right); | |||
966 | } | |||
967 | } | |||
968 | ||||
969 | /* Save the button layout */ | |||
970 | fgeom->button_layout = *button_layout; | |||
971 | fgeom->n_left_buttons = n_left; | |||
972 | fgeom->n_right_buttons = n_right; | |||
973 | ||||
974 | /* center buttons vertically */ | |||
975 | button_y = (borders.visible.top - | |||
976 | (button_height + layout->button_border.top + layout->button_border.bottom)) / 2 + layout->button_border.top + borders.invisible.top; | |||
977 | ||||
978 | /* right edge of farthest-right button */ | |||
979 | x = width - layout->right_titlebar_edge - borders.invisible.right; | |||
980 | ||||
981 | i = n_right - 1; | |||
982 | while (i >= 0) | |||
983 | { | |||
984 | MetaButtonSpace *rect; | |||
985 | ||||
986 | if (x < 0) /* if we go negative, leave the buttons we don't get to as 0-width */ | |||
987 | break; | |||
988 | ||||
989 | rect = right_func_rects[i]; | |||
990 | rect->visible.x = x - layout->button_border.right - button_width; | |||
991 | if (right_buttons_has_spacer[i]) | |||
992 | rect->visible.x -= (button_width * 0.75); | |||
993 | ||||
994 | rect->visible.y = button_y; | |||
995 | rect->visible.width = button_width; | |||
996 | rect->visible.height = button_height; | |||
997 | ||||
998 | if (flags & META_FRAME_MAXIMIZED || | |||
999 | flags & META_FRAME_TILED_LEFT || | |||
1000 | flags & META_FRAME_TILED_RIGHT) | |||
1001 | { | |||
1002 | rect->clickable.x = rect->visible.x; | |||
1003 | rect->clickable.y = rect->visible.y; | |||
1004 | rect->clickable.width = button_width; | |||
1005 | rect->clickable.height = button_height; | |||
1006 | ||||
1007 | if (i == n_right - 1) | |||
1008 | rect->clickable.width += layout->right_titlebar_edge + layout->right_width + layout->button_border.right; | |||
1009 | ||||
1010 | } | |||
1011 | else | |||
1012 | memmove (&(rect->clickable), &(rect->visible), sizeof(rect->clickable)); | |||
1013 | ||||
1014 | *(right_bg_rects[i]) = rect->visible; | |||
1015 | ||||
1016 | x = rect->visible.x - layout->button_border.left; | |||
1017 | ||||
1018 | --i; | |||
1019 | } | |||
1020 | ||||
1021 | /* save right edge of titlebar for later use */ | |||
1022 | title_right_edge = x - layout->title_border.right; | |||
1023 | ||||
1024 | /* Now x changes to be position from the left and we go through | |||
1025 | * the left-side buttons | |||
1026 | */ | |||
1027 | x = layout->left_titlebar_edge + borders.invisible.left; | |||
1028 | for (i = 0; i < n_left; i++) | |||
1029 | { | |||
1030 | MetaButtonSpace *rect; | |||
1031 | ||||
1032 | rect = left_func_rects[i]; | |||
1033 | ||||
1034 | rect->visible.x = x + layout->button_border.left; | |||
1035 | rect->visible.y = button_y; | |||
1036 | rect->visible.width = button_width; | |||
1037 | rect->visible.height = button_height; | |||
1038 | ||||
1039 | if (flags & META_FRAME_MAXIMIZED) | |||
1040 | { | |||
1041 | rect->clickable.x = rect->visible.x; | |||
1042 | rect->clickable.y = rect->visible.y; | |||
1043 | rect->clickable.width = button_width; | |||
1044 | rect->clickable.height = button_height; | |||
1045 | } | |||
1046 | else | |||
1047 | memmove (&(rect->clickable), &(rect->visible), sizeof(rect->clickable)); | |||
1048 | ||||
1049 | x = rect->visible.x + rect->visible.width + layout->button_border.right; | |||
1050 | if (left_buttons_has_spacer[i]) | |||
1051 | x += (button_width * 0.75); | |||
1052 | ||||
1053 | *(left_bg_rects[i]) = rect->visible; | |||
1054 | } | |||
1055 | ||||
1056 | /* We always fill as much vertical space as possible with title rect, | |||
1057 | * rather than centering it like the buttons | |||
1058 | */ | |||
1059 | fgeom->title_rect.x = x + layout->title_border.left; | |||
1060 | fgeom->title_rect.y = layout->title_border.top + borders.invisible.top; | |||
1061 | fgeom->title_rect.width = title_right_edge - fgeom->title_rect.x; | |||
1062 | fgeom->title_rect.height = borders.visible.top - layout->title_border.top - layout->title_border.bottom; | |||
1063 | ||||
1064 | /* Nuke title if it won't fit */ | |||
1065 | if (fgeom->title_rect.width < 0 || | |||
1066 | fgeom->title_rect.height < 0) | |||
1067 | { | |||
1068 | fgeom->title_rect.width = 0; | |||
1069 | fgeom->title_rect.height = 0; | |||
1070 | } | |||
1071 | ||||
1072 | if (flags & META_FRAME_SHADED) | |||
1073 | min_size_for_rounding = 0; | |||
1074 | else | |||
1075 | min_size_for_rounding = 5; | |||
1076 | ||||
1077 | fgeom->top_left_corner_rounded_radius = 0; | |||
1078 | fgeom->top_right_corner_rounded_radius = 0; | |||
1079 | fgeom->bottom_left_corner_rounded_radius = 0; | |||
1080 | fgeom->bottom_right_corner_rounded_radius = 0; | |||
1081 | ||||
1082 | if (borders.visible.top + borders.visible.left >= min_size_for_rounding) | |||
1083 | fgeom->top_left_corner_rounded_radius = layout->top_left_corner_rounded_radius; | |||
1084 | if (borders.visible.top + borders.visible.right >= min_size_for_rounding) | |||
1085 | fgeom->top_right_corner_rounded_radius = layout->top_right_corner_rounded_radius; | |||
1086 | ||||
1087 | if (borders.visible.bottom + borders.visible.left >= min_size_for_rounding) | |||
1088 | fgeom->bottom_left_corner_rounded_radius = layout->bottom_left_corner_rounded_radius; | |||
1089 | if (borders.visible.bottom + borders.visible.right >= min_size_for_rounding) | |||
1090 | fgeom->bottom_right_corner_rounded_radius = layout->bottom_right_corner_rounded_radius; | |||
1091 | } | |||
1092 | ||||
1093 | MetaGradientSpec* | |||
1094 | meta_gradient_spec_new (MetaGradientType type) | |||
1095 | { | |||
1096 | MetaGradientSpec *spec; | |||
1097 | ||||
1098 | spec = g_new (MetaGradientSpec, 1)((MetaGradientSpec *) g_malloc_n ((1), sizeof (MetaGradientSpec ))); | |||
1099 | ||||
1100 | spec->type = type; | |||
1101 | spec->color_specs = NULL((void*)0); | |||
1102 | ||||
1103 | return spec; | |||
1104 | } | |||
1105 | ||||
1106 | static cairo_pattern_t * | |||
1107 | create_cairo_pattern_from_gradient_spec (const MetaGradientSpec *spec, | |||
1108 | const MetaAlphaGradientSpec *alpha_spec, | |||
1109 | CtkStyleContext *context) | |||
1110 | { | |||
1111 | gint n_colors; | |||
1112 | cairo_pattern_t *pattern; | |||
1113 | GSList *tmp; | |||
1114 | gint i; | |||
1115 | ||||
1116 | n_colors = g_slist_length (spec->color_specs); | |||
1117 | if (n_colors == 0) | |||
1118 | return NULL((void*)0); | |||
1119 | ||||
1120 | if (alpha_spec != NULL((void*)0) && alpha_spec->n_alphas != 1) | |||
1121 | g_assert (n_colors == alpha_spec->n_alphas)do { if (n_colors == alpha_spec->n_alphas) ; else g_assertion_message_expr ("croma", "ui/theme.c", 1121, ((const char*) (__func__)), "n_colors == alpha_spec->n_alphas" ); } while (0); | |||
1122 | ||||
1123 | if (spec->type == META_GRADIENT_HORIZONTAL) | |||
1124 | pattern = cairo_pattern_create_linear (0, 0, 1, 0); | |||
1125 | else if (spec->type == META_GRADIENT_VERTICAL) | |||
1126 | pattern = cairo_pattern_create_linear (0, 0, 0, 1); | |||
1127 | else if (spec->type == META_GRADIENT_DIAGONAL) | |||
1128 | pattern = cairo_pattern_create_linear (0, 0, 1, 1); | |||
1129 | else | |||
1130 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 1130, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
1131 | ||||
1132 | i = 0; | |||
1133 | tmp = spec->color_specs; | |||
1134 | while (tmp != NULL((void*)0)) | |||
1135 | { | |||
1136 | CdkRGBA color; | |||
1137 | ||||
1138 | meta_color_spec_render (tmp->data, context, &color); | |||
1139 | ||||
1140 | if (alpha_spec != NULL((void*)0)) | |||
1141 | { | |||
1142 | gdouble alpha; | |||
1143 | ||||
1144 | if (alpha_spec->n_alphas == 1) | |||
1145 | alpha = alpha_spec->alphas[0] / 255.0; | |||
1146 | else | |||
1147 | alpha = alpha_spec->alphas[i] / 255.0; | |||
1148 | ||||
1149 | cairo_pattern_add_color_stop_rgba (pattern, i / (gfloat) (n_colors - 1), | |||
1150 | color.red, color.green, color.blue, | |||
1151 | alpha); | |||
1152 | } | |||
1153 | else | |||
1154 | cairo_pattern_add_color_stop_rgb (pattern, i / (gfloat) (n_colors - 1), | |||
1155 | color.red, color.green, color.blue); | |||
1156 | ||||
1157 | tmp = tmp->next; | |||
1158 | ++i; | |||
1159 | } | |||
1160 | ||||
1161 | if (cairo_pattern_status (pattern) != CAIRO_STATUS_SUCCESS) | |||
1162 | { | |||
1163 | cairo_pattern_destroy (pattern); | |||
1164 | return NULL((void*)0); | |||
1165 | } | |||
1166 | ||||
1167 | return pattern; | |||
1168 | } | |||
1169 | ||||
1170 | static void | |||
1171 | free_color_spec (gpointer spec, gpointer user_data) | |||
1172 | { | |||
1173 | meta_color_spec_free (spec); | |||
1174 | } | |||
1175 | ||||
1176 | void | |||
1177 | meta_gradient_spec_free (MetaGradientSpec *spec) | |||
1178 | { | |||
1179 | g_return_if_fail (spec != NULL)do { if ((spec != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "spec != NULL"); return ; } } while (0); | |||
1180 | ||||
1181 | g_slist_foreach (spec->color_specs, free_color_spec, NULL((void*)0)); | |||
1182 | g_slist_free (spec->color_specs); | |||
1183 | ||||
1184 | DEBUG_FILL_STRUCT (spec)memset ((spec), 0xef, sizeof (*(spec))); | |||
1185 | g_free (spec); | |||
1186 | } | |||
1187 | ||||
1188 | void | |||
1189 | meta_gradient_spec_render (const MetaGradientSpec *spec, | |||
1190 | const MetaAlphaGradientSpec *alpha_spec, | |||
1191 | cairo_t *cr, | |||
1192 | CtkStyleContext *context, | |||
1193 | gint x, | |||
1194 | gint y, | |||
1195 | gint width, | |||
1196 | gint height) | |||
1197 | { | |||
1198 | cairo_pattern_t *pattern; | |||
1199 | ||||
1200 | pattern = create_cairo_pattern_from_gradient_spec (spec, alpha_spec, context); | |||
1201 | if (pattern == NULL((void*)0)) | |||
1202 | return; | |||
1203 | ||||
1204 | cairo_save (cr); | |||
1205 | ||||
1206 | cairo_rectangle (cr, x, y, width, height); | |||
1207 | ||||
1208 | cairo_translate (cr, x, y); | |||
1209 | cairo_scale (cr, width, height); | |||
1210 | ||||
1211 | cairo_set_source (cr, pattern); | |||
1212 | cairo_fill (cr); | |||
1213 | cairo_pattern_destroy (pattern); | |||
1214 | ||||
1215 | cairo_restore (cr); | |||
1216 | } | |||
1217 | ||||
1218 | gboolean | |||
1219 | meta_gradient_spec_validate (MetaGradientSpec *spec, | |||
1220 | GError **error) | |||
1221 | { | |||
1222 | g_return_val_if_fail (spec != NULL, FALSE)do { if ((spec != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "spec != NULL"); return ((0)); } } while (0); | |||
1223 | ||||
1224 | if (g_slist_length (spec->color_specs) < 2) | |||
1225 | { | |||
1226 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1227 | META_THEME_ERROR_FAILED, | |||
1228 | _("Gradients should have at least two colors")dgettext ("croma", "Gradients should have at least two colors" )); | |||
1229 | return FALSE(0); | |||
1230 | } | |||
1231 | ||||
1232 | return TRUE(!(0)); | |||
1233 | } | |||
1234 | ||||
1235 | MetaAlphaGradientSpec* | |||
1236 | meta_alpha_gradient_spec_new (MetaGradientType type, | |||
1237 | int n_alphas) | |||
1238 | { | |||
1239 | MetaAlphaGradientSpec *spec; | |||
1240 | ||||
1241 | g_return_val_if_fail (n_alphas > 0, NULL)do { if ((n_alphas > 0)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "n_alphas > 0"); return (((void*)0)); } } while (0); | |||
1242 | ||||
1243 | spec = g_new0 (MetaAlphaGradientSpec, 1)((MetaAlphaGradientSpec *) g_malloc0_n ((1), sizeof (MetaAlphaGradientSpec ))); | |||
1244 | ||||
1245 | spec->type = type; | |||
1246 | spec->alphas = g_new0 (unsigned char, n_alphas)((unsigned char *) g_malloc0_n ((n_alphas), sizeof (unsigned char ))); | |||
1247 | spec->n_alphas = n_alphas; | |||
1248 | ||||
1249 | return spec; | |||
1250 | } | |||
1251 | ||||
1252 | void | |||
1253 | meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec) | |||
1254 | { | |||
1255 | g_return_if_fail (spec != NULL)do { if ((spec != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "spec != NULL"); return ; } } while (0); | |||
1256 | ||||
1257 | g_free (spec->alphas); | |||
1258 | g_free (spec); | |||
1259 | } | |||
1260 | ||||
1261 | cairo_pattern_t * | |||
1262 | meta_alpha_gradient_spec_get_mask (const MetaAlphaGradientSpec *spec) | |||
1263 | { | |||
1264 | gint n_alphas; | |||
1265 | cairo_pattern_t *pattern; | |||
1266 | gint i; | |||
1267 | ||||
1268 | /* Hardcoded in theme-parser.c */ | |||
1269 | g_assert (spec->type == META_GRADIENT_HORIZONTAL)do { if (spec->type == META_GRADIENT_HORIZONTAL) ; else g_assertion_message_expr ("croma", "ui/theme.c", 1269, ((const char*) (__func__)), "spec->type == META_GRADIENT_HORIZONTAL" ); } while (0); | |||
1270 | ||||
1271 | n_alphas = spec->n_alphas; | |||
1272 | if (n_alphas == 0) | |||
1273 | return NULL((void*)0); | |||
1274 | ||||
1275 | if (n_alphas == 1) | |||
1276 | return cairo_pattern_create_rgba (0, 0, 0, spec->alphas[0] / 255.0); | |||
1277 | ||||
1278 | pattern = cairo_pattern_create_linear (0, 0, 1, 0); | |||
1279 | ||||
1280 | for (i = 0; i < n_alphas; i++) | |||
1281 | cairo_pattern_add_color_stop_rgba (pattern, i / (gfloat) (n_alphas - 1), | |||
1282 | 0, 0, 0, spec->alphas[i] / 255.0); | |||
1283 | ||||
1284 | if (cairo_pattern_status (pattern) != CAIRO_STATUS_SUCCESS) | |||
1285 | { | |||
1286 | cairo_pattern_destroy (pattern); | |||
1287 | return NULL((void*)0); | |||
1288 | } | |||
1289 | ||||
1290 | return pattern; | |||
1291 | } | |||
1292 | ||||
1293 | MetaColorSpec* | |||
1294 | meta_color_spec_new (MetaColorSpecType type) | |||
1295 | { | |||
1296 | MetaColorSpec *spec; | |||
1297 | MetaColorSpec dummy; | |||
1298 | int size; | |||
1299 | ||||
1300 | size = G_STRUCT_OFFSET (MetaColorSpec, data)((glong) __builtin_offsetof(MetaColorSpec, data)); | |||
1301 | ||||
1302 | switch (type) | |||
1303 | { | |||
1304 | case META_COLOR_SPEC_BASIC: | |||
1305 | size += sizeof (dummy.data.basic); | |||
1306 | break; | |||
1307 | ||||
1308 | case META_COLOR_SPEC_CTK: | |||
1309 | size += sizeof (dummy.data.ctk); | |||
1310 | break; | |||
1311 | ||||
1312 | case META_COLOR_SPEC_CTK_CUSTOM: | |||
1313 | size += sizeof (dummy.data.ctkcustom); | |||
1314 | break; | |||
1315 | ||||
1316 | case META_COLOR_SPEC_BLEND: | |||
1317 | size += sizeof (dummy.data.blend); | |||
1318 | break; | |||
1319 | ||||
1320 | case META_COLOR_SPEC_SHADE: | |||
1321 | size += sizeof (dummy.data.shade); | |||
1322 | break; | |||
1323 | } | |||
1324 | ||||
1325 | spec = g_malloc0 (size); | |||
| ||||
1326 | ||||
1327 | spec->type = type; | |||
1328 | ||||
1329 | return spec; | |||
1330 | } | |||
1331 | ||||
1332 | void | |||
1333 | meta_color_spec_free (MetaColorSpec *spec) | |||
1334 | { | |||
1335 | g_return_if_fail (spec != NULL)do { if ((spec != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "spec != NULL"); return ; } } while (0); | |||
1336 | ||||
1337 | switch (spec->type) | |||
1338 | { | |||
1339 | case META_COLOR_SPEC_BASIC: | |||
1340 | DEBUG_FILL_STRUCT (&spec->data.basic)memset ((&spec->data.basic), 0xef, sizeof (*(&spec ->data.basic))); | |||
1341 | break; | |||
1342 | ||||
1343 | case META_COLOR_SPEC_CTK: | |||
1344 | DEBUG_FILL_STRUCT (&spec->data.ctk)memset ((&spec->data.ctk), 0xef, sizeof (*(&spec-> data.ctk))); | |||
1345 | break; | |||
1346 | ||||
1347 | case META_COLOR_SPEC_CTK_CUSTOM: | |||
1348 | if (spec->data.ctkcustom.color_name) | |||
1349 | g_free (spec->data.ctkcustom.color_name); | |||
1350 | if (spec->data.ctkcustom.fallback) | |||
1351 | meta_color_spec_free (spec->data.ctkcustom.fallback); | |||
1352 | DEBUG_FILL_STRUCT (&spec->data.ctkcustom)memset ((&spec->data.ctkcustom), 0xef, sizeof (*(& spec->data.ctkcustom))); | |||
1353 | break; | |||
1354 | ||||
1355 | case META_COLOR_SPEC_BLEND: | |||
1356 | if (spec->data.blend.foreground) | |||
1357 | meta_color_spec_free (spec->data.blend.foreground); | |||
1358 | if (spec->data.blend.background) | |||
1359 | meta_color_spec_free (spec->data.blend.background); | |||
1360 | DEBUG_FILL_STRUCT (&spec->data.blend)memset ((&spec->data.blend), 0xef, sizeof (*(&spec ->data.blend))); | |||
1361 | break; | |||
1362 | ||||
1363 | case META_COLOR_SPEC_SHADE: | |||
1364 | if (spec->data.shade.base) | |||
1365 | meta_color_spec_free (spec->data.shade.base); | |||
1366 | DEBUG_FILL_STRUCT (&spec->data.shade)memset ((&spec->data.shade), 0xef, sizeof (*(&spec ->data.shade))); | |||
1367 | break; | |||
1368 | } | |||
1369 | ||||
1370 | g_free (spec); | |||
1371 | } | |||
1372 | ||||
1373 | MetaColorSpec* | |||
1374 | meta_color_spec_new_from_string (const char *str, | |||
1375 | GError **err) | |||
1376 | { | |||
1377 | MetaColorSpec *spec; | |||
1378 | ||||
1379 | spec = NULL((void*)0); | |||
1380 | ||||
1381 | if (strncmp (str, "ctk:custom", 10) == 0) | |||
1382 | { | |||
1383 | const char *color_name_start, *fallback_str_start, *end; | |||
1384 | char *color_name; | |||
1385 | MetaColorSpec *fallback = NULL((void*)0); | |||
1386 | static gboolean debug, debug_set = FALSE(0); | |||
1387 | ||||
1388 | if (!debug_set) | |||
1389 | { | |||
1390 | debug = g_getenv ("CROMA_DISABLE_FALLBACK_COLOR") != NULL((void*)0); | |||
1391 | debug_set = TRUE(!(0)); | |||
1392 | } | |||
1393 | ||||
1394 | if (str[10] != '(') | |||
1395 | { | |||
1396 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1397 | META_THEME_ERROR_FAILED, | |||
1398 | _("CTK custom color specification must have color name and fallback in parentheses, e.g. ctk:custom(foo,bar); could not parse \"%s\"")dgettext ("croma", "CTK custom color specification must have color name and fallback in parentheses, e.g. ctk:custom(foo,bar); could not parse \"%s\"" ), | |||
1399 | str); | |||
1400 | return NULL((void*)0); | |||
1401 | } | |||
1402 | ||||
1403 | color_name_start = str + 11; | |||
1404 | ||||
1405 | fallback_str_start = color_name_start; | |||
1406 | while (*fallback_str_start && *fallback_str_start != ',') | |||
1407 | { | |||
1408 | if (!(g_ascii_isalnum (*fallback_str_start)((g_ascii_table[(guchar) (*fallback_str_start)] & G_ASCII_ALNUM ) != 0) | |||
1409 | || *fallback_str_start == '-' | |||
1410 | || *fallback_str_start == '_')) | |||
1411 | { | |||
1412 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1413 | META_THEME_ERROR_FAILED, | |||
1414 | _("Invalid character '%c' in color_name parameter of ctk:custom, only A-Za-z0-9-_ are valid")dgettext ("croma", "Invalid character '%c' in color_name parameter of ctk:custom, only A-Za-z0-9-_ are valid" ), | |||
1415 | *fallback_str_start); | |||
1416 | return NULL((void*)0); | |||
1417 | } | |||
1418 | fallback_str_start++; | |||
1419 | } | |||
1420 | fallback_str_start++; | |||
1421 | ||||
1422 | end = strrchr (str, ')'); | |||
1423 | ||||
1424 | if (color_name_start == NULL((void*)0) || fallback_str_start == NULL((void*)0) || end == NULL((void*)0)) | |||
1425 | { | |||
1426 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1427 | META_THEME_ERROR_FAILED, | |||
1428 | _("Ctk:custom format is \"ctk:custom(color_name,fallback)\", \"%s\" does not fit the format")dgettext ("croma", "Ctk:custom format is \"ctk:custom(color_name,fallback)\", \"%s\" does not fit the format" ), | |||
1429 | str); | |||
1430 | return NULL((void*)0); | |||
1431 | } | |||
1432 | ||||
1433 | if (!debug) | |||
1434 | { | |||
1435 | char *fallback_str; | |||
1436 | fallback_str = g_strndup (fallback_str_start, | |||
1437 | end - fallback_str_start); | |||
1438 | fallback = meta_color_spec_new_from_string (fallback_str, err); | |||
1439 | g_free (fallback_str); | |||
1440 | } | |||
1441 | else | |||
1442 | { | |||
1443 | fallback = meta_color_spec_new_from_string ("pink", err); | |||
1444 | } | |||
1445 | ||||
1446 | if (fallback == NULL((void*)0)) | |||
1447 | return NULL((void*)0); | |||
1448 | ||||
1449 | color_name = g_strndup (color_name_start, fallback_str_start - color_name_start - 1); | |||
1450 | ||||
1451 | spec = meta_color_spec_new (META_COLOR_SPEC_CTK_CUSTOM); | |||
1452 | spec->data.ctkcustom.color_name = color_name; | |||
1453 | spec->data.ctkcustom.fallback = fallback; | |||
1454 | } | |||
1455 | else if (strncmp (str, "ctk:", 4) == 0) | |||
1456 | { | |||
1457 | /* CTK color */ | |||
1458 | const char *bracket; | |||
1459 | const char *end_bracket; | |||
1460 | char *tmp; | |||
1461 | CtkStateFlags state; | |||
1462 | MetaCtkColorComponent component; | |||
1463 | ||||
1464 | bracket = str; | |||
1465 | while (*bracket && *bracket != '[') | |||
1466 | ++bracket; | |||
1467 | ||||
1468 | if (*bracket == '\0') | |||
1469 | { | |||
1470 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1471 | META_THEME_ERROR_FAILED, | |||
1472 | _("CTK color specification must have the state in brackets, e.g. ctk:fg[NORMAL] where NORMAL is the state; could not parse \"%s\"")dgettext ("croma", "CTK color specification must have the state in brackets, e.g. ctk:fg[NORMAL] where NORMAL is the state; could not parse \"%s\"" ), | |||
1473 | str); | |||
1474 | return NULL((void*)0); | |||
1475 | } | |||
1476 | ||||
1477 | end_bracket = bracket; | |||
1478 | ++end_bracket; | |||
1479 | while (*end_bracket && *end_bracket != ']') | |||
1480 | ++end_bracket; | |||
1481 | ||||
1482 | if (*end_bracket == '\0') | |||
1483 | { | |||
1484 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1485 | META_THEME_ERROR_FAILED, | |||
1486 | _("CTK color specification must have a close bracket after the state, e.g. ctk:fg[NORMAL] where NORMAL is the state; could not parse \"%s\"")dgettext ("croma", "CTK color specification must have a close bracket after the state, e.g. ctk:fg[NORMAL] where NORMAL is the state; could not parse \"%s\"" ), | |||
1487 | str); | |||
1488 | return NULL((void*)0); | |||
1489 | } | |||
1490 | ||||
1491 | tmp = g_strndup (bracket + 1, end_bracket - bracket - 1); | |||
1492 | state = meta_ctk_state_from_string (tmp); | |||
1493 | if (((int) state) == -1) | |||
1494 | { | |||
1495 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1496 | META_THEME_ERROR_FAILED, | |||
1497 | _("Did not understand state \"%s\" in color specification")dgettext ("croma", "Did not understand state \"%s\" in color specification" ), | |||
1498 | tmp); | |||
1499 | g_free (tmp); | |||
1500 | return NULL((void*)0); | |||
1501 | } | |||
1502 | g_free (tmp); | |||
1503 | ||||
1504 | tmp = g_strndup (str + 4, bracket - str - 4); | |||
1505 | component = meta_color_component_from_string (tmp); | |||
1506 | if (component == META_CTK_COLOR_LAST) | |||
1507 | { | |||
1508 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1509 | META_THEME_ERROR_FAILED, | |||
1510 | _("Did not understand color component \"%s\" in color specification")dgettext ("croma", "Did not understand color component \"%s\" in color specification" ), | |||
1511 | tmp); | |||
1512 | g_free (tmp); | |||
1513 | return NULL((void*)0); | |||
1514 | } | |||
1515 | g_free (tmp); | |||
1516 | ||||
1517 | spec = meta_color_spec_new (META_COLOR_SPEC_CTK); | |||
1518 | spec->data.ctk.state = state; | |||
1519 | spec->data.ctk.component = component; | |||
1520 | g_assert (spec->data.ctk.component < META_CTK_COLOR_LAST)do { if (spec->data.ctk.component < META_CTK_COLOR_LAST ) ; else g_assertion_message_expr ("croma", "ui/theme.c", 1520 , ((const char*) (__func__)), "spec->data.ctk.component < META_CTK_COLOR_LAST" ); } while (0); | |||
1521 | } | |||
1522 | else if (strncmp (str, "blend/", 6) == 0) | |||
1523 | { | |||
1524 | /* blend */ | |||
1525 | char **split; | |||
1526 | double alpha; | |||
1527 | char *end; | |||
1528 | MetaColorSpec *fg; | |||
1529 | MetaColorSpec *bg; | |||
1530 | ||||
1531 | split = g_strsplit (str, "/", 4); | |||
1532 | ||||
1533 | if (split[0] == NULL((void*)0) || split[1] == NULL((void*)0) || | |||
1534 | split[2] == NULL((void*)0) || split[3] == NULL((void*)0)) | |||
1535 | { | |||
1536 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1537 | META_THEME_ERROR_FAILED, | |||
1538 | _("Blend format is \"blend/bg_color/fg_color/alpha\", \"%s\" does not fit the format")dgettext ("croma", "Blend format is \"blend/bg_color/fg_color/alpha\", \"%s\" does not fit the format" ), | |||
1539 | str); | |||
1540 | g_strfreev (split); | |||
1541 | return NULL((void*)0); | |||
1542 | } | |||
1543 | ||||
1544 | alpha = g_ascii_strtod (split[3], &end); | |||
1545 | if (end == split[3]) | |||
1546 | { | |||
1547 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1548 | META_THEME_ERROR_FAILED, | |||
1549 | _("Could not parse alpha value \"%s\" in blended color")dgettext ("croma", "Could not parse alpha value \"%s\" in blended color" ), | |||
1550 | split[3]); | |||
1551 | g_strfreev (split); | |||
1552 | return NULL((void*)0); | |||
1553 | } | |||
1554 | ||||
1555 | if (alpha < (0.0 - 1e6) || alpha > (1.0 + 1e6)) | |||
1556 | { | |||
1557 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1558 | META_THEME_ERROR_FAILED, | |||
1559 | _("Alpha value \"%s\" in blended color is not between 0.0 and 1.0")dgettext ("croma", "Alpha value \"%s\" in blended color is not between 0.0 and 1.0" ), | |||
1560 | split[3]); | |||
1561 | g_strfreev (split); | |||
1562 | return NULL((void*)0); | |||
1563 | } | |||
1564 | ||||
1565 | fg = NULL((void*)0); | |||
1566 | bg = NULL((void*)0); | |||
1567 | ||||
1568 | bg = meta_color_spec_new_from_string (split[1], err); | |||
1569 | if (bg == NULL((void*)0)) | |||
1570 | { | |||
1571 | g_strfreev (split); | |||
1572 | return NULL((void*)0); | |||
1573 | } | |||
1574 | ||||
1575 | fg = meta_color_spec_new_from_string (split[2], err); | |||
1576 | if (fg == NULL((void*)0)) | |||
1577 | { | |||
1578 | meta_color_spec_free (bg); | |||
1579 | g_strfreev (split); | |||
1580 | return NULL((void*)0); | |||
1581 | } | |||
1582 | ||||
1583 | g_strfreev (split); | |||
1584 | ||||
1585 | spec = meta_color_spec_new (META_COLOR_SPEC_BLEND); | |||
1586 | spec->data.blend.alpha = alpha; | |||
1587 | spec->data.blend.background = bg; | |||
1588 | spec->data.blend.foreground = fg; | |||
1589 | } | |||
1590 | else if (strncmp (str, "shade/", 6) == 0) | |||
1591 | { | |||
1592 | /* shade */ | |||
1593 | char **split; | |||
1594 | double factor; | |||
1595 | char *end; | |||
1596 | MetaColorSpec *base; | |||
1597 | ||||
1598 | split = g_strsplit (str, "/", 3); | |||
1599 | ||||
1600 | if (split[0] == NULL((void*)0) || split[1] == NULL((void*)0) || | |||
1601 | split[2] == NULL((void*)0)) | |||
1602 | { | |||
1603 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1604 | META_THEME_ERROR_FAILED, | |||
1605 | _("Shade format is \"shade/base_color/factor\", \"%s\" does not fit the format")dgettext ("croma", "Shade format is \"shade/base_color/factor\", \"%s\" does not fit the format" ), | |||
1606 | str); | |||
1607 | g_strfreev (split); | |||
1608 | return NULL((void*)0); | |||
1609 | } | |||
1610 | ||||
1611 | factor = g_ascii_strtod (split[2], &end); | |||
1612 | if (end == split[2]) | |||
1613 | { | |||
1614 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1615 | META_THEME_ERROR_FAILED, | |||
1616 | _("Could not parse shade factor \"%s\" in shaded color")dgettext ("croma", "Could not parse shade factor \"%s\" in shaded color" ), | |||
1617 | split[2]); | |||
1618 | g_strfreev (split); | |||
1619 | return NULL((void*)0); | |||
1620 | } | |||
1621 | ||||
1622 | if (factor < (0.0 - 1e6)) | |||
1623 | { | |||
1624 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1625 | META_THEME_ERROR_FAILED, | |||
1626 | _("Shade factor \"%s\" in shaded color is negative")dgettext ("croma", "Shade factor \"%s\" in shaded color is negative" ), | |||
1627 | split[2]); | |||
1628 | g_strfreev (split); | |||
1629 | return NULL((void*)0); | |||
1630 | } | |||
1631 | ||||
1632 | base = NULL((void*)0); | |||
1633 | ||||
1634 | base = meta_color_spec_new_from_string (split[1], err); | |||
1635 | if (base == NULL((void*)0)) | |||
1636 | { | |||
1637 | g_strfreev (split); | |||
1638 | return NULL((void*)0); | |||
1639 | } | |||
1640 | ||||
1641 | g_strfreev (split); | |||
1642 | ||||
1643 | spec = meta_color_spec_new (META_COLOR_SPEC_SHADE); | |||
1644 | spec->data.shade.factor = factor; | |||
1645 | spec->data.shade.base = base; | |||
1646 | } | |||
1647 | else | |||
1648 | { | |||
1649 | spec = meta_color_spec_new (META_COLOR_SPEC_BASIC); | |||
1650 | ||||
1651 | if (!cdk_rgba_parse (&spec->data.basic.color, str)) | |||
1652 | { | |||
1653 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
1654 | META_THEME_ERROR_FAILED, | |||
1655 | _("Could not parse color \"%s\"")dgettext ("croma", "Could not parse color \"%s\""), | |||
1656 | str); | |||
1657 | meta_color_spec_free (spec); | |||
1658 | return NULL((void*)0); | |||
1659 | } | |||
1660 | } | |||
1661 | ||||
1662 | g_assert (spec)do { if (spec) ; else g_assertion_message_expr ("croma", "ui/theme.c" , 1662, ((const char*) (__func__)), "spec"); } while (0); | |||
1663 | ||||
1664 | return spec; | |||
1665 | } | |||
1666 | ||||
1667 | MetaColorSpec* | |||
1668 | meta_color_spec_new_ctk (MetaCtkColorComponent component, | |||
1669 | CtkStateFlags state) | |||
1670 | { | |||
1671 | MetaColorSpec *spec; | |||
1672 | ||||
1673 | spec = meta_color_spec_new (META_COLOR_SPEC_CTK); | |||
| ||||
1674 | ||||
1675 | spec->data.ctk.component = component; | |||
1676 | spec->data.ctk.state = state; | |||
1677 | ||||
1678 | return spec; | |||
1679 | } | |||
1680 | ||||
1681 | static void | |||
1682 | get_background_color_real (CtkStyleContext *context, | |||
1683 | CtkStateFlags state, | |||
1684 | CdkRGBA *color) | |||
1685 | { | |||
1686 | CdkRGBA *c; | |||
1687 | ||||
1688 | g_return_if_fail (color != NULL)do { if ((color != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "color != NULL"); return ; } } while (0); | |||
1689 | g_return_if_fail (CTK_IS_STYLE_CONTEXT (context))do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((context)); GType __t = ((ctk_style_context_get_type ())) ; gboolean __r; if (!__inst) __r = (0); else if (__inst->g_class && __inst->g_class->g_type == __t) __r = (!(0) ); else __r = g_type_check_instance_is_a (__inst, __t); __r; } )))))) { } else { g_return_if_fail_warning ("croma", ((const char *) (__func__)), "CTK_IS_STYLE_CONTEXT (context)"); return; } } while (0); | |||
1690 | ||||
1691 | ctk_style_context_get (context, | |||
1692 | state, | |||
1693 | "background-color", &c, | |||
1694 | NULL((void*)0)); | |||
1695 | ||||
1696 | *color = *c; | |||
1697 | cdk_rgba_free (c); | |||
1698 | } | |||
1699 | ||||
1700 | static void | |||
1701 | get_background_color (CtkStyleContext *context, | |||
1702 | CtkStateFlags state, | |||
1703 | CdkRGBA *color) | |||
1704 | { | |||
1705 | CdkRGBA empty = { 0.0, 0.0, 0.0, 0.0 }; | |||
1706 | CdkRGBA rgba; | |||
1707 | ||||
1708 | get_background_color_real (context, state, &rgba); | |||
1709 | ||||
1710 | if (cdk_rgba_equal (&rgba, &empty)) | |||
1711 | { | |||
1712 | CtkWidget *toplevel; | |||
1713 | CtkStyleContext *tmp; | |||
1714 | ||||
1715 | toplevel = ctk_window_new (CTK_WINDOW_TOPLEVEL); | |||
1716 | tmp = ctk_widget_get_style_context (toplevel); | |||
1717 | ||||
1718 | get_background_color_real (tmp, state, &rgba); | |||
1719 | ||||
1720 | ctk_widget_destroy (toplevel); | |||
1721 | } | |||
1722 | ||||
1723 | *color = rgba; | |||
1724 | } | |||
1725 | ||||
1726 | /* Based on set_color() in ctkstyle.c */ | |||
1727 | #define LIGHTNESS_MULT1.3 1.3 | |||
1728 | #define DARKNESS_MULT0.7 0.7 | |||
1729 | void | |||
1730 | meta_ctk_style_get_light_color (CtkStyleContext *style, | |||
1731 | CtkStateFlags state, | |||
1732 | CdkRGBA *color) | |||
1733 | { | |||
1734 | get_background_color (style, state, color); | |||
1735 | ctk_style_shade (color, color, LIGHTNESS_MULT1.3); | |||
1736 | } | |||
1737 | ||||
1738 | void | |||
1739 | meta_ctk_style_get_dark_color (CtkStyleContext *style, | |||
1740 | CtkStateFlags state, | |||
1741 | CdkRGBA *color) | |||
1742 | { | |||
1743 | get_background_color (style, state, color); | |||
1744 | ctk_style_shade (color, color, DARKNESS_MULT0.7); | |||
1745 | } | |||
1746 | ||||
1747 | static void | |||
1748 | meta_set_color_from_style (CdkRGBA *color, | |||
1749 | CtkStyleContext *context, | |||
1750 | CtkStateFlags state, | |||
1751 | MetaCtkColorComponent component) | |||
1752 | { | |||
1753 | CdkRGBA other; | |||
1754 | ||||
1755 | /* Add background class to context to get the correct colors from the CTK+ | |||
1756 | theme instead of white text over black background. */ | |||
1757 | ctk_style_context_add_class (context, CTK_STYLE_CLASS_BACKGROUND"background"); | |||
1758 | ||||
1759 | switch (component) | |||
1760 | { | |||
1761 | case META_CTK_COLOR_BG: | |||
1762 | case META_CTK_COLOR_BASE: | |||
1763 | get_background_color (context, state, color); | |||
1764 | break; | |||
1765 | case META_CTK_COLOR_FG: | |||
1766 | case META_CTK_COLOR_TEXT: | |||
1767 | ctk_style_context_get_color (context, state, color); | |||
1768 | break; | |||
1769 | case META_CTK_COLOR_TEXT_AA: | |||
1770 | ctk_style_context_get_color (context, state, color); | |||
1771 | meta_set_color_from_style (&other, context, state, META_CTK_COLOR_BASE); | |||
1772 | ||||
1773 | color->red = (color->red + other.red) / 2; | |||
1774 | color->green = (color->green + other.green) / 2; | |||
1775 | color->blue = (color->blue + other.blue) / 2; | |||
1776 | break; | |||
1777 | case META_CTK_COLOR_MID: | |||
1778 | meta_ctk_style_get_light_color (context, state, color); | |||
1779 | meta_ctk_style_get_dark_color (context, state, &other); | |||
1780 | ||||
1781 | color->red = (color->red + other.red) / 2; | |||
1782 | color->green = (color->green + other.green) / 2; | |||
1783 | color->blue = (color->blue + other.blue) / 2; | |||
1784 | break; | |||
1785 | case META_CTK_COLOR_LIGHT: | |||
1786 | meta_ctk_style_get_light_color (context, state, color); | |||
1787 | break; | |||
1788 | case META_CTK_COLOR_DARK: | |||
1789 | meta_ctk_style_get_dark_color (context, state, color); | |||
1790 | break; | |||
1791 | case META_CTK_COLOR_LAST: | |||
1792 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 1792, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
1793 | break; | |||
1794 | } | |||
1795 | } | |||
1796 | ||||
1797 | static void | |||
1798 | meta_set_custom_color_from_style (CdkRGBA *color, | |||
1799 | CtkStyleContext *context, | |||
1800 | char *color_name, | |||
1801 | MetaColorSpec *fallback) | |||
1802 | { | |||
1803 | if (!ctk_style_context_lookup_color (context, color_name, color)) | |||
1804 | meta_color_spec_render (fallback, context, color); | |||
1805 | } | |||
1806 | ||||
1807 | void | |||
1808 | meta_color_spec_render (MetaColorSpec *spec, | |||
1809 | CtkStyleContext *style, | |||
1810 | CdkRGBA *color) | |||
1811 | { | |||
1812 | g_return_if_fail (spec != NULL)do { if ((spec != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "spec != NULL"); return ; } } while (0); | |||
1813 | ||||
1814 | g_return_if_fail (CTK_IS_STYLE_CONTEXT (style))do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((style)); GType __t = ((ctk_style_context_get_type ())); gboolean __r; if (!__inst) __r = (0); else if (__inst->g_class && __inst->g_class->g_type == __t) __r = (!(0)); else __r = g_type_check_instance_is_a (__inst, __t); __r; })))))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__ )), "CTK_IS_STYLE_CONTEXT (style)"); return; } } while (0); | |||
1815 | ||||
1816 | switch (spec->type) | |||
1817 | { | |||
1818 | case META_COLOR_SPEC_BASIC: | |||
1819 | *color = spec->data.basic.color; | |||
1820 | break; | |||
1821 | ||||
1822 | case META_COLOR_SPEC_CTK: | |||
1823 | meta_set_color_from_style (color, | |||
1824 | style, | |||
1825 | spec->data.ctk.state, | |||
1826 | spec->data.ctk.component); | |||
1827 | break; | |||
1828 | ||||
1829 | case META_COLOR_SPEC_CTK_CUSTOM: | |||
1830 | meta_set_custom_color_from_style (color, | |||
1831 | style, | |||
1832 | spec->data.ctkcustom.color_name, | |||
1833 | spec->data.ctkcustom.fallback); | |||
1834 | break; | |||
1835 | ||||
1836 | case META_COLOR_SPEC_BLEND: | |||
1837 | { | |||
1838 | CdkRGBA bg, fg; | |||
1839 | ||||
1840 | meta_color_spec_render (spec->data.blend.background, style, &bg); | |||
1841 | meta_color_spec_render (spec->data.blend.foreground, style, &fg); | |||
1842 | ||||
1843 | color_composite (&bg, &fg, spec->data.blend.alpha, | |||
1844 | &spec->data.blend.color); | |||
1845 | ||||
1846 | *color = spec->data.blend.color; | |||
1847 | } | |||
1848 | break; | |||
1849 | ||||
1850 | case META_COLOR_SPEC_SHADE: | |||
1851 | { | |||
1852 | meta_color_spec_render (spec->data.shade.base, style, | |||
1853 | &spec->data.shade.color); | |||
1854 | ||||
1855 | ctk_style_shade (&spec->data.shade.color, | |||
1856 | &spec->data.shade.color, spec->data.shade.factor); | |||
1857 | ||||
1858 | *color = spec->data.shade.color; | |||
1859 | } | |||
1860 | break; | |||
1861 | } | |||
1862 | } | |||
1863 | ||||
1864 | /** | |||
1865 | * Represents an operation as a string. | |||
1866 | * | |||
1867 | * \param type an operation, such as addition | |||
1868 | * \return a string, such as "+" | |||
1869 | */ | |||
1870 | static const char* | |||
1871 | op_name (PosOperatorType type) | |||
1872 | { | |||
1873 | switch (type) | |||
1874 | { | |||
1875 | case POS_OP_ADD: | |||
1876 | return "+"; | |||
1877 | case POS_OP_SUBTRACT: | |||
1878 | return "-"; | |||
1879 | case POS_OP_MULTIPLY: | |||
1880 | return "*"; | |||
1881 | case POS_OP_DIVIDE: | |||
1882 | return "/"; | |||
1883 | case POS_OP_MOD: | |||
1884 | return "%"; | |||
1885 | case POS_OP_MAX: | |||
1886 | return "`max`"; | |||
1887 | case POS_OP_MIN: | |||
1888 | return "`min`"; | |||
1889 | case POS_OP_NONE: | |||
1890 | break; | |||
1891 | } | |||
1892 | ||||
1893 | return "<unknown>"; | |||
1894 | } | |||
1895 | ||||
1896 | /** | |||
1897 | * Parses a string and returns an operation. | |||
1898 | * | |||
1899 | * \param p a pointer into a string representing an operation; part of an | |||
1900 | * expression somewhere, so not null-terminated | |||
1901 | * \param len set to the length of the string found. Set to 0 if none is. | |||
1902 | * \return the operation found. If none was, returns POS_OP_NONE. | |||
1903 | */ | |||
1904 | static PosOperatorType | |||
1905 | op_from_string (const char *p, | |||
1906 | int *len) | |||
1907 | { | |||
1908 | *len = 0; | |||
1909 | ||||
1910 | switch (*p) | |||
1911 | { | |||
1912 | case '+': | |||
1913 | *len = 1; | |||
1914 | return POS_OP_ADD; | |||
1915 | case '-': | |||
1916 | *len = 1; | |||
1917 | return POS_OP_SUBTRACT; | |||
1918 | case '*': | |||
1919 | *len = 1; | |||
1920 | return POS_OP_MULTIPLY; | |||
1921 | case '/': | |||
1922 | *len = 1; | |||
1923 | return POS_OP_DIVIDE; | |||
1924 | case '%': | |||
1925 | *len = 1; | |||
1926 | return POS_OP_MOD; | |||
1927 | ||||
1928 | case '`': | |||
1929 | if (strncmp (p, "`max`", 5) == 0) | |||
1930 | { | |||
1931 | *len = 5; | |||
1932 | return POS_OP_MAX; | |||
1933 | } | |||
1934 | else if (strncmp (p, "`min`", 5) == 0) | |||
1935 | { | |||
1936 | *len = 5; | |||
1937 | return POS_OP_MIN; | |||
1938 | } | |||
1939 | } | |||
1940 | ||||
1941 | return POS_OP_NONE; | |||
1942 | } | |||
1943 | ||||
1944 | /** | |||
1945 | * Frees an array of tokens. All the tokens and their associated memory | |||
1946 | * will be freed. | |||
1947 | * | |||
1948 | * \param tokens an array of tokens to be freed | |||
1949 | * \param n_tokens how many tokens are in the array. | |||
1950 | */ | |||
1951 | static void | |||
1952 | free_tokens (PosToken *tokens, | |||
1953 | int n_tokens) | |||
1954 | { | |||
1955 | int i; | |||
1956 | ||||
1957 | /* n_tokens can be 0 since tokens may have been allocated more than | |||
1958 | * it was initialized | |||
1959 | */ | |||
1960 | ||||
1961 | for (i = 0; i < n_tokens; i++) | |||
1962 | if (tokens[i].type == POS_TOKEN_VARIABLE) | |||
1963 | g_free (tokens[i].d.v.name); | |||
1964 | ||||
1965 | g_free (tokens); | |||
1966 | } | |||
1967 | ||||
1968 | /** | |||
1969 | * Tokenises a number in an expression. | |||
1970 | * | |||
1971 | * \param p a pointer into a string representing an operation; part of an | |||
1972 | * expression somewhere, so not null-terminated | |||
1973 | * \param end_return set to a pointer to the end of the number found; but | |||
1974 | * not updated if no number was found at all | |||
1975 | * \param next set to either an integer or a float token | |||
1976 | * \param[out] err set to the problem if there was a problem | |||
1977 | * \return TRUE if a valid number was found, FALSE otherwise (and "err" will | |||
1978 | * have been set) | |||
1979 | * | |||
1980 | * \bug The "while (*start)..." part: what's wrong with strchr-ish things? | |||
1981 | * \bug The name is wrong: it doesn't parse anything. | |||
1982 | * \ingroup tokenizer | |||
1983 | */ | |||
1984 | static gboolean | |||
1985 | parse_number (const char *p, | |||
1986 | const char **end_return, | |||
1987 | PosToken *next, | |||
1988 | GError **err) | |||
1989 | { | |||
1990 | const char *start = p; | |||
1991 | char *end; | |||
1992 | gboolean is_float; | |||
1993 | char *num_str; | |||
1994 | ||||
1995 | while (*p && (*p == '.' || g_ascii_isdigit (*p)((g_ascii_table[(guchar) (*p)] & G_ASCII_DIGIT) != 0))) | |||
1996 | ++p; | |||
1997 | ||||
1998 | if (p == start) | |||
1999 | { | |||
2000 | char buf[7] = { '\0' }; | |||
2001 | buf[g_unichar_to_utf8 (g_utf8_get_char (p), buf)] = '\0'; | |||
2002 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2003 | META_THEME_ERROR_BAD_CHARACTER, | |||
2004 | _("Coordinate expression contains character '%s' which is not allowed")dgettext ("croma", "Coordinate expression contains character '%s' which is not allowed" ), | |||
2005 | buf); | |||
2006 | return FALSE(0); | |||
2007 | } | |||
2008 | ||||
2009 | *end_return = p; | |||
2010 | ||||
2011 | /* we need this to exclude floats like "1e6" */ | |||
2012 | num_str = g_strndup (start, p - start); | |||
2013 | start = num_str; | |||
2014 | is_float = FALSE(0); | |||
2015 | while (*start) | |||
2016 | { | |||
2017 | if (*start == '.') | |||
2018 | is_float = TRUE(!(0)); | |||
2019 | ++start; | |||
2020 | } | |||
2021 | ||||
2022 | if (is_float) | |||
2023 | { | |||
2024 | next->type = POS_TOKEN_DOUBLE; | |||
2025 | next->d.d.val = g_ascii_strtod (num_str, &end); | |||
2026 | ||||
2027 | if (end == num_str) | |||
2028 | { | |||
2029 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2030 | META_THEME_ERROR_FAILED, | |||
2031 | _("Coordinate expression contains floating point number '%s' which could not be parsed")dgettext ("croma", "Coordinate expression contains floating point number '%s' which could not be parsed" ), | |||
2032 | num_str); | |||
2033 | g_free (num_str); | |||
2034 | return FALSE(0); | |||
2035 | } | |||
2036 | } | |||
2037 | else | |||
2038 | { | |||
2039 | next->type = POS_TOKEN_INT; | |||
2040 | next->d.i.val = strtol (num_str, &end, 10); | |||
2041 | if (end == num_str) | |||
2042 | { | |||
2043 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2044 | META_THEME_ERROR_FAILED, | |||
2045 | _("Coordinate expression contains integer '%s' which could not be parsed")dgettext ("croma", "Coordinate expression contains integer '%s' which could not be parsed" ), | |||
2046 | num_str); | |||
2047 | g_free (num_str); | |||
2048 | return FALSE(0); | |||
2049 | } | |||
2050 | } | |||
2051 | ||||
2052 | g_free (num_str); | |||
2053 | ||||
2054 | g_assert (next->type == POS_TOKEN_INT || next->type == POS_TOKEN_DOUBLE)do { if (next->type == POS_TOKEN_INT || next->type == POS_TOKEN_DOUBLE ) ; else g_assertion_message_expr ("croma", "ui/theme.c", 2054 , ((const char*) (__func__)), "next->type == POS_TOKEN_INT || next->type == POS_TOKEN_DOUBLE" ); } while (0); | |||
2055 | ||||
2056 | return TRUE(!(0)); | |||
2057 | } | |||
2058 | ||||
2059 | /** | |||
2060 | * Whether a variable can validly appear as part of the name of a variable. | |||
2061 | */ | |||
2062 | #define IS_VARIABLE_CHAR(c)(((g_ascii_table[(guchar) ((c))] & G_ASCII_ALPHA) != 0) || (c) == '_') (g_ascii_isalpha ((c))((g_ascii_table[(guchar) ((c))] & G_ASCII_ALPHA) != 0) || (c) == '_') | |||
2063 | ||||
2064 | #if 0 | |||
2065 | static void | |||
2066 | debug_print_tokens (PosToken *tokens, | |||
2067 | int n_tokens) | |||
2068 | { | |||
2069 | int i; | |||
2070 | ||||
2071 | for (i = 0; i < n_tokens; i++) | |||
2072 | { | |||
2073 | PosToken *t = &tokens[i]; | |||
2074 | ||||
2075 | g_print (" "); | |||
2076 | ||||
2077 | switch (t->type) | |||
2078 | { | |||
2079 | case POS_TOKEN_INT: | |||
2080 | g_print ("\"%d\"", t->d.i.val); | |||
2081 | break; | |||
2082 | case POS_TOKEN_DOUBLE: | |||
2083 | g_print ("\"%g\"", t->d.d.val); | |||
2084 | break; | |||
2085 | case POS_TOKEN_OPEN_PAREN: | |||
2086 | g_print ("\"(\""); | |||
2087 | break; | |||
2088 | case POS_TOKEN_CLOSE_PAREN: | |||
2089 | g_print ("\")\""); | |||
2090 | break; | |||
2091 | case POS_TOKEN_VARIABLE: | |||
2092 | g_print ("\"%s\"", t->d.v.name); | |||
2093 | break; | |||
2094 | case POS_TOKEN_OPERATOR: | |||
2095 | g_print ("\"%s\"", op_name (t->d.o.op)); | |||
2096 | break; | |||
2097 | } | |||
2098 | } | |||
2099 | ||||
2100 | g_print ("\n"); | |||
2101 | } | |||
2102 | #endif | |||
2103 | ||||
2104 | /** | |||
2105 | * Tokenises an expression. | |||
2106 | * | |||
2107 | * \param expr The expression | |||
2108 | * \param[out] tokens_p The resulting tokens | |||
2109 | * \param[out] n_tokens_p The number of resulting tokens | |||
2110 | * \param[out] err set to the problem if there was a problem | |||
2111 | * | |||
2112 | * \return True if the expression was successfully tokenised; false otherwise. | |||
2113 | * | |||
2114 | * \ingroup tokenizer | |||
2115 | */ | |||
2116 | static gboolean | |||
2117 | pos_tokenize (const char *expr, | |||
2118 | PosToken **tokens_p, | |||
2119 | int *n_tokens_p, | |||
2120 | GError **err) | |||
2121 | { | |||
2122 | PosToken *tokens; | |||
2123 | int n_tokens; | |||
2124 | int allocated; | |||
2125 | const char *p; | |||
2126 | ||||
2127 | *tokens_p = NULL((void*)0); | |||
2128 | *n_tokens_p = 0; | |||
2129 | ||||
2130 | allocated = 3; | |||
2131 | n_tokens = 0; | |||
2132 | tokens = g_new (PosToken, allocated)((PosToken *) g_malloc_n ((allocated), sizeof (PosToken))); | |||
2133 | ||||
2134 | p = expr; | |||
2135 | while (*p) | |||
2136 | { | |||
2137 | PosToken *next; | |||
2138 | int len; | |||
2139 | ||||
2140 | if (n_tokens == allocated) | |||
2141 | { | |||
2142 | allocated *= 2; | |||
2143 | tokens = g_renew (PosToken, tokens, allocated)((PosToken *) g_realloc_n (tokens, (allocated), sizeof (PosToken ))); | |||
2144 | } | |||
2145 | ||||
2146 | next = &tokens[n_tokens]; | |||
2147 | ||||
2148 | switch (*p) | |||
2149 | { | |||
2150 | case '*': | |||
2151 | case '/': | |||
2152 | case '+': | |||
2153 | case '-': /* negative numbers aren't allowed so this is easy */ | |||
2154 | case '%': | |||
2155 | case '`': | |||
2156 | next->type = POS_TOKEN_OPERATOR; | |||
2157 | next->d.o.op = op_from_string (p, &len); | |||
2158 | if (next->d.o.op != POS_OP_NONE) | |||
2159 | { | |||
2160 | ++n_tokens; | |||
2161 | p = p + (len - 1); /* -1 since we ++p later */ | |||
2162 | } | |||
2163 | else | |||
2164 | { | |||
2165 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2166 | META_THEME_ERROR_FAILED, | |||
2167 | _("Coordinate expression contained unknown operator at the start of this text: \"%s\"")dgettext ("croma", "Coordinate expression contained unknown operator at the start of this text: \"%s\"" ), | |||
2168 | p); | |||
2169 | ||||
2170 | goto error; | |||
2171 | } | |||
2172 | break; | |||
2173 | ||||
2174 | case '(': | |||
2175 | next->type = POS_TOKEN_OPEN_PAREN; | |||
2176 | ++n_tokens; | |||
2177 | break; | |||
2178 | ||||
2179 | case ')': | |||
2180 | next->type = POS_TOKEN_CLOSE_PAREN; | |||
2181 | ++n_tokens; | |||
2182 | break; | |||
2183 | ||||
2184 | case ' ': | |||
2185 | case '\t': | |||
2186 | case '\n': | |||
2187 | break; | |||
2188 | ||||
2189 | default: | |||
2190 | if (IS_VARIABLE_CHAR (*p)(((g_ascii_table[(guchar) ((*p))] & G_ASCII_ALPHA) != 0) || (*p) == '_')) | |||
2191 | { | |||
2192 | /* Assume variable */ | |||
2193 | const char *start = p; | |||
2194 | while (*p && IS_VARIABLE_CHAR (*p)(((g_ascii_table[(guchar) ((*p))] & G_ASCII_ALPHA) != 0) || (*p) == '_')) | |||
2195 | ++p; | |||
2196 | g_assert (p != start)do { if (p != start) ; else g_assertion_message_expr ("croma" , "ui/theme.c", 2196, ((const char*) (__func__)), "p != start" ); } while (0); | |||
2197 | next->type = POS_TOKEN_VARIABLE; | |||
2198 | next->d.v.name = g_strndup (start, p - start); | |||
2199 | ++n_tokens; | |||
2200 | --p; /* since we ++p again at the end of while loop */ | |||
2201 | } | |||
2202 | else | |||
2203 | { | |||
2204 | /* Assume number */ | |||
2205 | const char *end; | |||
2206 | ||||
2207 | if (!parse_number (p, &end, next, err)) | |||
2208 | goto error; | |||
2209 | ||||
2210 | ++n_tokens; | |||
2211 | p = end - 1; /* -1 since we ++p again at the end of while loop */ | |||
2212 | } | |||
2213 | ||||
2214 | break; | |||
2215 | } | |||
2216 | ||||
2217 | ++p; | |||
2218 | } | |||
2219 | ||||
2220 | if (n_tokens == 0) | |||
2221 | { | |||
2222 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2223 | META_THEME_ERROR_FAILED, | |||
2224 | _("Coordinate expression was empty or not understood")dgettext ("croma", "Coordinate expression was empty or not understood" )); | |||
2225 | ||||
2226 | goto error; | |||
2227 | } | |||
2228 | ||||
2229 | *tokens_p = tokens; | |||
2230 | *n_tokens_p = n_tokens; | |||
2231 | ||||
2232 | return TRUE(!(0)); | |||
2233 | ||||
2234 | error: | |||
2235 | g_assert (err == NULL || *err != NULL)do { if (err == ((void*)0) || *err != ((void*)0)) ; else g_assertion_message_expr ("croma", "ui/theme.c", 2235, ((const char*) (__func__)), "err == NULL || *err != NULL" ); } while (0); | |||
2236 | ||||
2237 | free_tokens (tokens, n_tokens); | |||
2238 | return FALSE(0); | |||
2239 | } | |||
2240 | ||||
2241 | /** | |||
2242 | * The type of a PosExpr: either integer, double, or an operation. | |||
2243 | * \ingroup parser | |||
2244 | */ | |||
2245 | typedef enum | |||
2246 | { | |||
2247 | POS_EXPR_INT, | |||
2248 | POS_EXPR_DOUBLE, | |||
2249 | POS_EXPR_OPERATOR | |||
2250 | } PosExprType; | |||
2251 | ||||
2252 | /** | |||
2253 | * Type and value of an expression in a parsed sequence. We don't | |||
2254 | * keep expressions in a tree; if this is of type POS_EXPR_OPERATOR, | |||
2255 | * the arguments of the operator will be in the array positions | |||
2256 | * immediately preceding and following this operator; they cannot | |||
2257 | * themselves be operators. | |||
2258 | * | |||
2259 | * \bug operator is char; it should really be of PosOperatorType. | |||
2260 | * \ingroup parser | |||
2261 | */ | |||
2262 | typedef struct | |||
2263 | { | |||
2264 | PosExprType type; | |||
2265 | union | |||
2266 | { | |||
2267 | double double_val; | |||
2268 | int int_val; | |||
2269 | char operator; | |||
2270 | } d; | |||
2271 | } PosExpr; | |||
2272 | ||||
2273 | #if 0 | |||
2274 | static void | |||
2275 | debug_print_exprs (PosExpr *exprs, | |||
2276 | int n_exprs) | |||
2277 | { | |||
2278 | int i; | |||
2279 | ||||
2280 | for (i = 0; i < n_exprs; i++) | |||
2281 | { | |||
2282 | switch (exprs[i].type) | |||
2283 | { | |||
2284 | case POS_EXPR_INT: | |||
2285 | g_print (" %d", exprs[i].d.int_val); | |||
2286 | break; | |||
2287 | case POS_EXPR_DOUBLE: | |||
2288 | g_print (" %g", exprs[i].d.double_val); | |||
2289 | break; | |||
2290 | case POS_EXPR_OPERATOR: | |||
2291 | g_print (" %s", op_name (exprs[i].d.operator)); | |||
2292 | break; | |||
2293 | } | |||
2294 | } | |||
2295 | g_print ("\n"); | |||
2296 | } | |||
2297 | #endif | |||
2298 | ||||
2299 | static gboolean | |||
2300 | do_operation (PosExpr *a, | |||
2301 | PosExpr *b, | |||
2302 | PosOperatorType op, | |||
2303 | GError **err) | |||
2304 | { | |||
2305 | /* Promote types to double if required */ | |||
2306 | if (a->type == POS_EXPR_DOUBLE || | |||
2307 | b->type == POS_EXPR_DOUBLE) | |||
2308 | { | |||
2309 | if (a->type != POS_EXPR_DOUBLE) | |||
2310 | { | |||
2311 | a->type = POS_EXPR_DOUBLE; | |||
2312 | a->d.double_val = a->d.int_val; | |||
2313 | } | |||
2314 | if (b->type != POS_EXPR_DOUBLE) | |||
2315 | { | |||
2316 | b->type = POS_EXPR_DOUBLE; | |||
2317 | b->d.double_val = b->d.int_val; | |||
2318 | } | |||
2319 | } | |||
2320 | ||||
2321 | g_assert (a->type == b->type)do { if (a->type == b->type) ; else g_assertion_message_expr ("croma", "ui/theme.c", 2321, ((const char*) (__func__)), "a->type == b->type" ); } while (0); | |||
2322 | ||||
2323 | if (a->type == POS_EXPR_INT) | |||
2324 | { | |||
2325 | switch (op) | |||
2326 | { | |||
2327 | case POS_OP_MULTIPLY: | |||
2328 | a->d.int_val = a->d.int_val * b->d.int_val; | |||
2329 | break; | |||
2330 | case POS_OP_DIVIDE: | |||
2331 | if (b->d.int_val == 0) | |||
2332 | { | |||
2333 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2334 | META_THEME_ERROR_DIVIDE_BY_ZERO, | |||
2335 | _("Coordinate expression results in division by zero")dgettext ("croma", "Coordinate expression results in division by zero" )); | |||
2336 | return FALSE(0); | |||
2337 | } | |||
2338 | a->d.int_val = a->d.int_val / b->d.int_val; | |||
2339 | break; | |||
2340 | case POS_OP_MOD: | |||
2341 | if (b->d.int_val == 0) | |||
2342 | { | |||
2343 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2344 | META_THEME_ERROR_DIVIDE_BY_ZERO, | |||
2345 | _("Coordinate expression results in division by zero")dgettext ("croma", "Coordinate expression results in division by zero" )); | |||
2346 | return FALSE(0); | |||
2347 | } | |||
2348 | a->d.int_val = a->d.int_val % b->d.int_val; | |||
2349 | break; | |||
2350 | case POS_OP_ADD: | |||
2351 | a->d.int_val = a->d.int_val + b->d.int_val; | |||
2352 | break; | |||
2353 | case POS_OP_SUBTRACT: | |||
2354 | a->d.int_val = a->d.int_val - b->d.int_val; | |||
2355 | break; | |||
2356 | case POS_OP_MAX: | |||
2357 | a->d.int_val = MAX (a->d.int_val, b->d.int_val)(((a->d.int_val) > (b->d.int_val)) ? (a->d.int_val ) : (b->d.int_val)); | |||
2358 | break; | |||
2359 | case POS_OP_MIN: | |||
2360 | a->d.int_val = MIN (a->d.int_val, b->d.int_val)(((a->d.int_val) < (b->d.int_val)) ? (a->d.int_val ) : (b->d.int_val)); | |||
2361 | break; | |||
2362 | case POS_OP_NONE: | |||
2363 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 2363, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
2364 | break; | |||
2365 | } | |||
2366 | } | |||
2367 | else if (a->type == POS_EXPR_DOUBLE) | |||
2368 | { | |||
2369 | switch (op) | |||
2370 | { | |||
2371 | case POS_OP_MULTIPLY: | |||
2372 | a->d.double_val = a->d.double_val * b->d.double_val; | |||
2373 | break; | |||
2374 | case POS_OP_DIVIDE: | |||
2375 | if (b->d.double_val == 0.0) | |||
2376 | { | |||
2377 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2378 | META_THEME_ERROR_DIVIDE_BY_ZERO, | |||
2379 | _("Coordinate expression results in division by zero")dgettext ("croma", "Coordinate expression results in division by zero" )); | |||
2380 | return FALSE(0); | |||
2381 | } | |||
2382 | a->d.double_val = a->d.double_val / b->d.double_val; | |||
2383 | break; | |||
2384 | case POS_OP_MOD: | |||
2385 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2386 | META_THEME_ERROR_MOD_ON_FLOAT, | |||
2387 | _("Coordinate expression tries to use mod operator on a floating-point number")dgettext ("croma", "Coordinate expression tries to use mod operator on a floating-point number" )); | |||
2388 | return FALSE(0); | |||
2389 | case POS_OP_ADD: | |||
2390 | a->d.double_val = a->d.double_val + b->d.double_val; | |||
2391 | break; | |||
2392 | case POS_OP_SUBTRACT: | |||
2393 | a->d.double_val = a->d.double_val - b->d.double_val; | |||
2394 | break; | |||
2395 | case POS_OP_MAX: | |||
2396 | a->d.double_val = MAX (a->d.double_val, b->d.double_val)(((a->d.double_val) > (b->d.double_val)) ? (a->d. double_val) : (b->d.double_val)); | |||
2397 | break; | |||
2398 | case POS_OP_MIN: | |||
2399 | a->d.double_val = MIN (a->d.double_val, b->d.double_val)(((a->d.double_val) < (b->d.double_val)) ? (a->d. double_val) : (b->d.double_val)); | |||
2400 | break; | |||
2401 | case POS_OP_NONE: | |||
2402 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 2402, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
2403 | break; | |||
2404 | } | |||
2405 | } | |||
2406 | else | |||
2407 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 2407, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
2408 | ||||
2409 | return TRUE(!(0)); | |||
2410 | } | |||
2411 | ||||
2412 | static gboolean | |||
2413 | do_operations (PosExpr *exprs, | |||
2414 | int *n_exprs, | |||
2415 | int precedence, | |||
2416 | GError **err) | |||
2417 | { | |||
2418 | int i; | |||
2419 | ||||
2420 | #if 0 | |||
2421 | g_print ("Doing prec %d ops on %d exprs\n", precedence, *n_exprs); | |||
2422 | debug_print_exprs (exprs, *n_exprs); | |||
2423 | #endif | |||
2424 | ||||
2425 | i = 1; | |||
2426 | while (i < *n_exprs) | |||
2427 | { | |||
2428 | gboolean compress; | |||
2429 | ||||
2430 | /* exprs[i-1] first operand | |||
2431 | * exprs[i] operator | |||
2432 | * exprs[i+1] second operand | |||
2433 | * | |||
2434 | * we replace first operand with result of mul/div/mod, | |||
2435 | * or skip over operator and second operand if we have | |||
2436 | * an add/subtract | |||
2437 | */ | |||
2438 | ||||
2439 | if (exprs[i-1].type == POS_EXPR_OPERATOR) | |||
2440 | { | |||
2441 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2442 | META_THEME_ERROR_FAILED, | |||
2443 | _("Coordinate expression has an operator \"%s\" where an operand was expected")dgettext ("croma", "Coordinate expression has an operator \"%s\" where an operand was expected" ), | |||
2444 | op_name (exprs[i-1].d.operator)); | |||
2445 | return FALSE(0); | |||
2446 | } | |||
2447 | ||||
2448 | if (exprs[i].type != POS_EXPR_OPERATOR) | |||
2449 | { | |||
2450 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2451 | META_THEME_ERROR_FAILED, | |||
2452 | _("Coordinate expression had an operand where an operator was expected")dgettext ("croma", "Coordinate expression had an operand where an operator was expected" )); | |||
2453 | return FALSE(0); | |||
2454 | } | |||
2455 | ||||
2456 | if (i == (*n_exprs - 1)) | |||
2457 | { | |||
2458 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2459 | META_THEME_ERROR_FAILED, | |||
2460 | _("Coordinate expression ended with an operator instead of an operand")dgettext ("croma", "Coordinate expression ended with an operator instead of an operand" )); | |||
2461 | return FALSE(0); | |||
2462 | } | |||
2463 | ||||
2464 | g_assert ((i+1) < *n_exprs)do { if ((i+1) < *n_exprs) ; else g_assertion_message_expr ("croma", "ui/theme.c", 2464, ((const char*) (__func__)), "(i+1) < *n_exprs" ); } while (0); | |||
2465 | ||||
2466 | if (exprs[i+1].type == POS_EXPR_OPERATOR) | |||
2467 | { | |||
2468 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2469 | META_THEME_ERROR_FAILED, | |||
2470 | _("Coordinate expression has operator \"%c\" following operator \"%c\" with no operand in between")dgettext ("croma", "Coordinate expression has operator \"%c\" following operator \"%c\" with no operand in between" ), | |||
2471 | exprs[i+1].d.operator, | |||
2472 | exprs[i].d.operator); | |||
2473 | return FALSE(0); | |||
2474 | } | |||
2475 | ||||
2476 | compress = FALSE(0); | |||
2477 | ||||
2478 | switch (precedence) | |||
2479 | { | |||
2480 | case 2: | |||
2481 | switch (exprs[i].d.operator) | |||
2482 | { | |||
2483 | case POS_OP_DIVIDE: | |||
2484 | case POS_OP_MOD: | |||
2485 | case POS_OP_MULTIPLY: | |||
2486 | compress = TRUE(!(0)); | |||
2487 | if (!do_operation (&exprs[i-1], &exprs[i+1], | |||
2488 | exprs[i].d.operator, | |||
2489 | err)) | |||
2490 | return FALSE(0); | |||
2491 | break; | |||
2492 | } | |||
2493 | break; | |||
2494 | case 1: | |||
2495 | switch (exprs[i].d.operator) | |||
2496 | { | |||
2497 | case POS_OP_ADD: | |||
2498 | case POS_OP_SUBTRACT: | |||
2499 | compress = TRUE(!(0)); | |||
2500 | if (!do_operation (&exprs[i-1], &exprs[i+1], | |||
2501 | exprs[i].d.operator, | |||
2502 | err)) | |||
2503 | return FALSE(0); | |||
2504 | break; | |||
2505 | } | |||
2506 | break; | |||
2507 | /* I have no rationale at all for making these low-precedence */ | |||
2508 | case 0: | |||
2509 | switch (exprs[i].d.operator) | |||
2510 | { | |||
2511 | case POS_OP_MAX: | |||
2512 | case POS_OP_MIN: | |||
2513 | compress = TRUE(!(0)); | |||
2514 | if (!do_operation (&exprs[i-1], &exprs[i+1], | |||
2515 | exprs[i].d.operator, | |||
2516 | err)) | |||
2517 | return FALSE(0); | |||
2518 | break; | |||
2519 | } | |||
2520 | break; | |||
2521 | } | |||
2522 | ||||
2523 | if (compress) | |||
2524 | { | |||
2525 | /* exprs[i-1] first operand (now result) | |||
2526 | * exprs[i] operator | |||
2527 | * exprs[i+1] second operand | |||
2528 | * exprs[i+2] new operator | |||
2529 | * | |||
2530 | * we move new operator just after first operand | |||
2531 | */ | |||
2532 | if ((i+2) < *n_exprs) | |||
2533 | { | |||
2534 | memmove (&exprs[i], &exprs[i+2], | |||
2535 | sizeof (PosExpr) * (*n_exprs - i - 2)); | |||
2536 | } | |||
2537 | ||||
2538 | *n_exprs -= 2; | |||
2539 | } | |||
2540 | else | |||
2541 | { | |||
2542 | /* Skip operator and next operand */ | |||
2543 | i += 2; | |||
2544 | } | |||
2545 | } | |||
2546 | ||||
2547 | return TRUE(!(0)); | |||
2548 | } | |||
2549 | ||||
2550 | /** | |||
2551 | * There is a predefined set of variables which can appear in an expression. | |||
2552 | * Here we take a token representing a variable, and return the current value | |||
2553 | * of that variable in a particular environment. | |||
2554 | * (The value is always an integer.) | |||
2555 | * | |||
2556 | * There are supposedly some circumstances in which this function can be | |||
2557 | * called from outside Croma, in which case env->theme will be NULL, and | |||
2558 | * therefore we can't use it to find out quark values, so we do the comparison | |||
2559 | * using strcmp, which is slower. | |||
2560 | * | |||
2561 | * \param t The token representing a variable | |||
2562 | * \param[out] result The value of that variable; not set if the token did | |||
2563 | * not represent a known variable | |||
2564 | * \param env The environment within which t should be evaluated | |||
2565 | * \param[out] err set to the problem if there was a problem | |||
2566 | * | |||
2567 | * \return true if we found the variable asked for, false if we didn't | |||
2568 | * | |||
2569 | * \bug shouldn't t be const? | |||
2570 | * \bug we should perhaps consider some sort of lookup arrangement into an | |||
2571 | * array; also, the duplication of code is unlovely; perhaps using glib | |||
2572 | * string hashes instead of quarks would fix both problems? | |||
2573 | * \ingroup parser | |||
2574 | */ | |||
2575 | static gboolean | |||
2576 | pos_eval_get_variable (PosToken *t, | |||
2577 | int *result, | |||
2578 | const MetaPositionExprEnv *env, | |||
2579 | GError **err) | |||
2580 | { | |||
2581 | if (env->theme) | |||
2582 | { | |||
2583 | if (t->d.v.name_quark == env->theme->quark_width) | |||
2584 | *result = env->rect.width; | |||
2585 | else if (t->d.v.name_quark == env->theme->quark_height) | |||
2586 | *result = env->rect.height; | |||
2587 | else if (env->object_width >= 0 && | |||
2588 | t->d.v.name_quark == env->theme->quark_object_width) | |||
2589 | *result = env->object_width; | |||
2590 | else if (env->object_height >= 0 && | |||
2591 | t->d.v.name_quark == env->theme->quark_object_height) | |||
2592 | *result = env->object_height; | |||
2593 | else if (t->d.v.name_quark == env->theme->quark_left_width) | |||
2594 | *result = env->left_width; | |||
2595 | else if (t->d.v.name_quark == env->theme->quark_right_width) | |||
2596 | *result = env->right_width; | |||
2597 | else if (t->d.v.name_quark == env->theme->quark_top_height) | |||
2598 | *result = env->top_height; | |||
2599 | else if (t->d.v.name_quark == env->theme->quark_bottom_height) | |||
2600 | *result = env->bottom_height; | |||
2601 | else if (t->d.v.name_quark == env->theme->quark_mini_icon_width) | |||
2602 | *result = env->mini_icon_width; | |||
2603 | else if (t->d.v.name_quark == env->theme->quark_mini_icon_height) | |||
2604 | *result = env->mini_icon_height; | |||
2605 | else if (t->d.v.name_quark == env->theme->quark_icon_width) | |||
2606 | *result = env->icon_width; | |||
2607 | else if (t->d.v.name_quark == env->theme->quark_icon_height) | |||
2608 | *result = env->icon_height; | |||
2609 | else if (t->d.v.name_quark == env->theme->quark_title_width) | |||
2610 | *result = env->title_width; | |||
2611 | else if (t->d.v.name_quark == env->theme->quark_title_height) | |||
2612 | *result = env->title_height; | |||
2613 | else if (t->d.v.name_quark == env->theme->quark_frame_x_center) | |||
2614 | *result = env->frame_x_center; | |||
2615 | else if (t->d.v.name_quark == env->theme->quark_frame_y_center) | |||
2616 | *result = env->frame_y_center; | |||
2617 | else | |||
2618 | { | |||
2619 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2620 | META_THEME_ERROR_UNKNOWN_VARIABLE, | |||
2621 | _("Coordinate expression had unknown variable or constant \"%s\"")dgettext ("croma", "Coordinate expression had unknown variable or constant \"%s\"" ), | |||
2622 | t->d.v.name); | |||
2623 | return FALSE(0); | |||
2624 | } | |||
2625 | } | |||
2626 | else | |||
2627 | { | |||
2628 | if (strcmp (t->d.v.name, "width") == 0) | |||
2629 | *result = env->rect.width; | |||
2630 | else if (strcmp (t->d.v.name, "height") == 0) | |||
2631 | *result = env->rect.height; | |||
2632 | else if (env->object_width >= 0 && | |||
2633 | strcmp (t->d.v.name, "object_width") == 0) | |||
2634 | *result = env->object_width; | |||
2635 | else if (env->object_height >= 0 && | |||
2636 | strcmp (t->d.v.name, "object_height") == 0) | |||
2637 | *result = env->object_height; | |||
2638 | else if (strcmp (t->d.v.name, "left_width") == 0) | |||
2639 | *result = env->left_width; | |||
2640 | else if (strcmp (t->d.v.name, "right_width") == 0) | |||
2641 | *result = env->right_width; | |||
2642 | else if (strcmp (t->d.v.name, "top_height") == 0) | |||
2643 | *result = env->top_height; | |||
2644 | else if (strcmp (t->d.v.name, "bottom_height") == 0) | |||
2645 | *result = env->bottom_height; | |||
2646 | else if (strcmp (t->d.v.name, "mini_icon_width") == 0) | |||
2647 | *result = env->mini_icon_width; | |||
2648 | else if (strcmp (t->d.v.name, "mini_icon_height") == 0) | |||
2649 | *result = env->mini_icon_height; | |||
2650 | else if (strcmp (t->d.v.name, "icon_width") == 0) | |||
2651 | *result = env->icon_width; | |||
2652 | else if (strcmp (t->d.v.name, "icon_height") == 0) | |||
2653 | *result = env->icon_height; | |||
2654 | else if (strcmp (t->d.v.name, "title_width") == 0) | |||
2655 | *result = env->title_width; | |||
2656 | else if (strcmp (t->d.v.name, "title_height") == 0) | |||
2657 | *result = env->title_height; | |||
2658 | else if (strcmp (t->d.v.name, "frame_x_center") == 0) | |||
2659 | *result = env->frame_x_center; | |||
2660 | else if (strcmp (t->d.v.name, "frame_y_center") == 0) | |||
2661 | *result = env->frame_y_center; | |||
2662 | else | |||
2663 | { | |||
2664 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2665 | META_THEME_ERROR_UNKNOWN_VARIABLE, | |||
2666 | _("Coordinate expression had unknown variable or constant \"%s\"")dgettext ("croma", "Coordinate expression had unknown variable or constant \"%s\"" ), | |||
2667 | t->d.v.name); | |||
2668 | return FALSE(0); | |||
2669 | } | |||
2670 | } | |||
2671 | ||||
2672 | return TRUE(!(0)); | |||
2673 | } | |||
2674 | ||||
2675 | /** | |||
2676 | * Evaluates a sequence of tokens within a particular environment context, | |||
2677 | * and returns the current value. May recur if parantheses are found. | |||
2678 | * | |||
2679 | * \param tokens A list of tokens to evaluate. | |||
2680 | * \param n_tokens How many tokens are in the list. | |||
2681 | * \param env The environment context in which to evaluate the expression. | |||
2682 | * \param[out] result The current value of the expression | |||
2683 | * | |||
2684 | * \bug Yes, we really do reparse the expression every time it's evaluated. | |||
2685 | * We should keep the parse tree around all the time and just | |||
2686 | * run the new values through it. | |||
2687 | * \ingroup parser | |||
2688 | */ | |||
2689 | static gboolean | |||
2690 | pos_eval_helper (PosToken *tokens, | |||
2691 | int n_tokens, | |||
2692 | const MetaPositionExprEnv *env, | |||
2693 | PosExpr *result, | |||
2694 | GError **err) | |||
2695 | { | |||
2696 | /* Lazy-ass hardcoded limit on number of terms in expression */ | |||
2697 | #define MAX_EXPRS32 32 | |||
2698 | int paren_level; | |||
2699 | int first_paren; | |||
2700 | int i; | |||
2701 | PosExpr exprs[MAX_EXPRS32]; | |||
2702 | int n_exprs; | |||
2703 | int precedence; | |||
2704 | ||||
2705 | /* Our first goal is to get a list of PosExpr, essentially | |||
2706 | * substituting variables and handling parentheses. | |||
2707 | */ | |||
2708 | ||||
2709 | first_paren = 0; | |||
2710 | paren_level = 0; | |||
2711 | n_exprs = 0; | |||
2712 | for (i = 0; i < n_tokens; i++) | |||
2713 | { | |||
2714 | PosToken *t = &tokens[i]; | |||
2715 | ||||
2716 | if (n_exprs >= MAX_EXPRS32) | |||
2717 | { | |||
2718 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2719 | META_THEME_ERROR_FAILED, | |||
2720 | _("Coordinate expression parser overflowed its buffer.")dgettext ("croma", "Coordinate expression parser overflowed its buffer." )); | |||
2721 | return FALSE(0); | |||
2722 | } | |||
2723 | ||||
2724 | if (paren_level == 0) | |||
2725 | { | |||
2726 | switch (t->type) | |||
2727 | { | |||
2728 | case POS_TOKEN_INT: | |||
2729 | exprs[n_exprs].type = POS_EXPR_INT; | |||
2730 | exprs[n_exprs].d.int_val = t->d.i.val; | |||
2731 | ++n_exprs; | |||
2732 | break; | |||
2733 | ||||
2734 | case POS_TOKEN_DOUBLE: | |||
2735 | exprs[n_exprs].type = POS_EXPR_DOUBLE; | |||
2736 | exprs[n_exprs].d.double_val = t->d.d.val; | |||
2737 | ++n_exprs; | |||
2738 | break; | |||
2739 | ||||
2740 | case POS_TOKEN_OPEN_PAREN: | |||
2741 | ++paren_level; | |||
2742 | if (paren_level == 1) | |||
2743 | first_paren = i; | |||
2744 | break; | |||
2745 | ||||
2746 | case POS_TOKEN_CLOSE_PAREN: | |||
2747 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2748 | META_THEME_ERROR_BAD_PARENS, | |||
2749 | _("Coordinate expression had a close parenthesis with no open parenthesis")dgettext ("croma", "Coordinate expression had a close parenthesis with no open parenthesis" )); | |||
2750 | return FALSE(0); | |||
2751 | ||||
2752 | case POS_TOKEN_VARIABLE: | |||
2753 | exprs[n_exprs].type = POS_EXPR_INT; | |||
2754 | ||||
2755 | /* FIXME we should just dump all this crap | |||
2756 | * in a hash, maybe keep width/height out | |||
2757 | * for optimization purposes | |||
2758 | */ | |||
2759 | if (!pos_eval_get_variable (t, &exprs[n_exprs].d.int_val, env, err)) | |||
2760 | return FALSE(0); | |||
2761 | ||||
2762 | ++n_exprs; | |||
2763 | break; | |||
2764 | ||||
2765 | case POS_TOKEN_OPERATOR: | |||
2766 | exprs[n_exprs].type = POS_EXPR_OPERATOR; | |||
2767 | exprs[n_exprs].d.operator = t->d.o.op; | |||
2768 | ++n_exprs; | |||
2769 | break; | |||
2770 | } | |||
2771 | } | |||
2772 | else | |||
2773 | { | |||
2774 | g_assert (paren_level > 0)do { if (paren_level > 0) ; else g_assertion_message_expr ( "croma", "ui/theme.c", 2774, ((const char*) (__func__)), "paren_level > 0" ); } while (0); | |||
2775 | ||||
2776 | switch (t->type) | |||
2777 | { | |||
2778 | case POS_TOKEN_INT: | |||
2779 | case POS_TOKEN_DOUBLE: | |||
2780 | case POS_TOKEN_VARIABLE: | |||
2781 | case POS_TOKEN_OPERATOR: | |||
2782 | break; | |||
2783 | ||||
2784 | case POS_TOKEN_OPEN_PAREN: | |||
2785 | ++paren_level; | |||
2786 | break; | |||
2787 | ||||
2788 | case POS_TOKEN_CLOSE_PAREN: | |||
2789 | if (paren_level == 1) | |||
2790 | { | |||
2791 | /* We closed a toplevel paren group, so recurse */ | |||
2792 | if (!pos_eval_helper (&tokens[first_paren+1], | |||
2793 | i - first_paren - 1, | |||
2794 | env, | |||
2795 | &exprs[n_exprs], | |||
2796 | err)) | |||
2797 | return FALSE(0); | |||
2798 | ||||
2799 | ++n_exprs; | |||
2800 | } | |||
2801 | ||||
2802 | --paren_level; | |||
2803 | break; | |||
2804 | ||||
2805 | } | |||
2806 | } | |||
2807 | } | |||
2808 | ||||
2809 | if (paren_level > 0) | |||
2810 | { | |||
2811 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2812 | META_THEME_ERROR_BAD_PARENS, | |||
2813 | _("Coordinate expression had an open parenthesis with no close parenthesis")dgettext ("croma", "Coordinate expression had an open parenthesis with no close parenthesis" )); | |||
2814 | return FALSE(0); | |||
2815 | } | |||
2816 | ||||
2817 | /* Now we have no parens and no vars; so we just do all the multiplies | |||
2818 | * and divides, then all the add and subtract. | |||
2819 | */ | |||
2820 | if (n_exprs == 0) | |||
2821 | { | |||
2822 | g_set_error (err, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
2823 | META_THEME_ERROR_FAILED, | |||
2824 | _("Coordinate expression doesn't seem to have any operators or operands")dgettext ("croma", "Coordinate expression doesn't seem to have any operators or operands" )); | |||
2825 | return FALSE(0); | |||
2826 | } | |||
2827 | ||||
2828 | /* precedence 1 ops */ | |||
2829 | precedence = 2; | |||
2830 | while (precedence >= 0) | |||
2831 | { | |||
2832 | if (!do_operations (exprs, &n_exprs, precedence, err)) | |||
2833 | return FALSE(0); | |||
2834 | --precedence; | |||
2835 | } | |||
2836 | ||||
2837 | g_assert (n_exprs == 1)do { if (n_exprs == 1) ; else g_assertion_message_expr ("croma" , "ui/theme.c", 2837, ((const char*) (__func__)), "n_exprs == 1" ); } while (0); | |||
2838 | ||||
2839 | *result = *exprs; | |||
2840 | ||||
2841 | return TRUE(!(0)); | |||
2842 | } | |||
2843 | ||||
2844 | /* | |||
2845 | * expr = int | double | expr * expr | expr / expr | | |||
2846 | * expr + expr | expr - expr | (expr) | |||
2847 | * | |||
2848 | * so very not worth fooling with bison, yet so very painful by hand. | |||
2849 | */ | |||
2850 | /** | |||
2851 | * Evaluates an expression. | |||
2852 | * | |||
2853 | * \param spec The expression to evaluate. | |||
2854 | * \param env The environment context to evaluate the expression in. | |||
2855 | * \param[out] val_p The integer value of the expression; if the expression | |||
2856 | * is of type float, this will be rounded. If we return | |||
2857 | * FALSE because the expression is invalid, this will be | |||
2858 | * zero. | |||
2859 | * \param[out] err The error, if anything went wrong. | |||
2860 | * | |||
2861 | * \return True if we evaluated the expression successfully; false otherwise. | |||
2862 | * | |||
2863 | * \bug Shouldn't spec be const? | |||
2864 | * \ingroup parser | |||
2865 | */ | |||
2866 | static gboolean | |||
2867 | pos_eval (MetaDrawSpec *spec, | |||
2868 | const MetaPositionExprEnv *env, | |||
2869 | int *val_p, | |||
2870 | GError **err) | |||
2871 | { | |||
2872 | PosExpr expr; | |||
2873 | ||||
2874 | *val_p = 0; | |||
2875 | ||||
2876 | if (pos_eval_helper (spec->tokens, spec->n_tokens, env, &expr, err)) | |||
2877 | { | |||
2878 | switch (expr.type) | |||
2879 | { | |||
2880 | case POS_EXPR_INT: | |||
2881 | *val_p = expr.d.int_val; | |||
2882 | break; | |||
2883 | case POS_EXPR_DOUBLE: | |||
2884 | *val_p = expr.d.double_val; | |||
2885 | break; | |||
2886 | case POS_EXPR_OPERATOR: | |||
2887 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 2887, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
2888 | break; | |||
2889 | } | |||
2890 | return TRUE(!(0)); | |||
2891 | } | |||
2892 | else | |||
2893 | { | |||
2894 | return FALSE(0); | |||
2895 | } | |||
2896 | } | |||
2897 | ||||
2898 | /* We always return both X and Y, but only one will be meaningful in | |||
2899 | * most contexts. | |||
2900 | */ | |||
2901 | ||||
2902 | gboolean | |||
2903 | meta_parse_position_expression (MetaDrawSpec *spec, | |||
2904 | const MetaPositionExprEnv *env, | |||
2905 | int *x_return, | |||
2906 | int *y_return, | |||
2907 | GError **err) | |||
2908 | { | |||
2909 | /* All positions are in a coordinate system with x, y at the origin. | |||
2910 | * The expression can have -, +, *, / as operators, floating point | |||
2911 | * or integer constants, and the variables "width" and "height" and | |||
2912 | * optionally "object_width" and object_height". Negative numbers | |||
2913 | * aren't allowed. | |||
2914 | */ | |||
2915 | int val; | |||
2916 | ||||
2917 | if (spec->constant) | |||
2918 | val = spec->value; | |||
2919 | else | |||
2920 | { | |||
2921 | if (pos_eval (spec, env, &spec->value, err) == FALSE(0)) | |||
2922 | { | |||
2923 | g_assert (err == NULL || *err != NULL)do { if (err == ((void*)0) || *err != ((void*)0)) ; else g_assertion_message_expr ("croma", "ui/theme.c", 2923, ((const char*) (__func__)), "err == NULL || *err != NULL" ); } while (0); | |||
2924 | return FALSE(0); | |||
2925 | } | |||
2926 | ||||
2927 | val = spec->value; | |||
2928 | } | |||
2929 | ||||
2930 | if (x_return) | |||
2931 | *x_return = env->rect.x + val; | |||
2932 | if (y_return) | |||
2933 | *y_return = env->rect.y + val; | |||
2934 | ||||
2935 | return TRUE(!(0)); | |||
2936 | } | |||
2937 | ||||
2938 | ||||
2939 | gboolean | |||
2940 | meta_parse_size_expression (MetaDrawSpec *spec, | |||
2941 | const MetaPositionExprEnv *env, | |||
2942 | int *val_return, | |||
2943 | GError **err) | |||
2944 | { | |||
2945 | int val; | |||
2946 | ||||
2947 | if (spec->constant) | |||
2948 | val = spec->value; | |||
2949 | else | |||
2950 | { | |||
2951 | if (pos_eval (spec, env, &spec->value, err) == FALSE(0)) | |||
2952 | { | |||
2953 | g_assert (err == NULL || *err != NULL)do { if (err == ((void*)0) || *err != ((void*)0)) ; else g_assertion_message_expr ("croma", "ui/theme.c", 2953, ((const char*) (__func__)), "err == NULL || *err != NULL" ); } while (0); | |||
2954 | return FALSE(0); | |||
2955 | } | |||
2956 | ||||
2957 | val = spec->value; | |||
2958 | } | |||
2959 | ||||
2960 | if (val_return) | |||
2961 | *val_return = MAX (val, 1)(((val) > (1)) ? (val) : (1)); /* require that sizes be at least 1x1 */ | |||
2962 | ||||
2963 | return TRUE(!(0)); | |||
2964 | } | |||
2965 | ||||
2966 | /* To do this we tokenize, replace variable tokens | |||
2967 | * that are constants, then reassemble. The purpose | |||
2968 | * here is to optimize expressions so we don't do hash | |||
2969 | * lookups to eval them. Obviously it's a tradeoff that | |||
2970 | * slows down theme load times. | |||
2971 | */ | |||
2972 | gboolean | |||
2973 | meta_theme_replace_constants (MetaTheme *theme, | |||
2974 | PosToken *tokens, | |||
2975 | int n_tokens, | |||
2976 | GError **err) | |||
2977 | { | |||
2978 | int i; | |||
2979 | double dval; | |||
2980 | int ival; | |||
2981 | gboolean is_constant = TRUE(!(0)); | |||
2982 | ||||
2983 | /* Loop through tokenized string looking for variables to replace */ | |||
2984 | for (i = 0; i < n_tokens; i++) | |||
2985 | { | |||
2986 | PosToken *t = &tokens[i]; | |||
2987 | ||||
2988 | if (t->type == POS_TOKEN_VARIABLE) | |||
2989 | { | |||
2990 | if (meta_theme_lookup_int_constant (theme, t->d.v.name, &ival)) | |||
2991 | { | |||
2992 | g_free (t->d.v.name); | |||
2993 | t->type = POS_TOKEN_INT; | |||
2994 | t->d.i.val = ival; | |||
2995 | } | |||
2996 | else if (meta_theme_lookup_float_constant (theme, t->d.v.name, &dval)) | |||
2997 | { | |||
2998 | g_free (t->d.v.name); | |||
2999 | t->type = POS_TOKEN_DOUBLE; | |||
3000 | t->d.d.val = dval; | |||
3001 | } | |||
3002 | else | |||
3003 | { | |||
3004 | /* If we've found a variable that cannot be replaced then the | |||
3005 | expression is not a constant expression and we want to | |||
3006 | replace it with a GQuark */ | |||
3007 | ||||
3008 | t->d.v.name_quark = g_quark_from_string (t->d.v.name); | |||
3009 | is_constant = FALSE(0); | |||
3010 | } | |||
3011 | } | |||
3012 | } | |||
3013 | ||||
3014 | return is_constant; | |||
3015 | } | |||
3016 | ||||
3017 | static int | |||
3018 | parse_x_position_unchecked (MetaDrawSpec *spec, | |||
3019 | const MetaPositionExprEnv *env) | |||
3020 | { | |||
3021 | int retval; | |||
3022 | GError *error; | |||
3023 | ||||
3024 | retval = 0; | |||
3025 | error = NULL((void*)0); | |||
3026 | if (!meta_parse_position_expression (spec, env, &retval, NULL((void*)0), &error)) | |||
3027 | { | |||
3028 | meta_warning (_("Theme contained an expression that resulted in an error: %s\n")dgettext ("croma", "Theme contained an expression that resulted in an error: %s\n" ), | |||
3029 | error->message); | |||
3030 | ||||
3031 | g_error_free (error); | |||
3032 | } | |||
3033 | ||||
3034 | return retval; | |||
3035 | } | |||
3036 | ||||
3037 | static int | |||
3038 | parse_y_position_unchecked (MetaDrawSpec *spec, | |||
3039 | const MetaPositionExprEnv *env) | |||
3040 | { | |||
3041 | int retval; | |||
3042 | GError *error; | |||
3043 | ||||
3044 | retval = 0; | |||
3045 | error = NULL((void*)0); | |||
3046 | if (!meta_parse_position_expression (spec, env, NULL((void*)0), &retval, &error)) | |||
3047 | { | |||
3048 | meta_warning (_("Theme contained an expression that resulted in an error: %s\n")dgettext ("croma", "Theme contained an expression that resulted in an error: %s\n" ), | |||
3049 | error->message); | |||
3050 | ||||
3051 | g_error_free (error); | |||
3052 | } | |||
3053 | ||||
3054 | return retval; | |||
3055 | } | |||
3056 | ||||
3057 | static int | |||
3058 | parse_size_unchecked (MetaDrawSpec *spec, | |||
3059 | MetaPositionExprEnv *env) | |||
3060 | { | |||
3061 | int retval; | |||
3062 | GError *error; | |||
3063 | ||||
3064 | retval = 0; | |||
3065 | error = NULL((void*)0); | |||
3066 | if (!meta_parse_size_expression (spec, env, &retval, &error)) | |||
3067 | { | |||
3068 | meta_warning (_("Theme contained an expression that resulted in an error: %s\n")dgettext ("croma", "Theme contained an expression that resulted in an error: %s\n" ), | |||
3069 | error->message); | |||
3070 | ||||
3071 | g_error_free (error); | |||
3072 | } | |||
3073 | ||||
3074 | return retval; | |||
3075 | } | |||
3076 | ||||
3077 | void | |||
3078 | meta_draw_spec_free (MetaDrawSpec *spec) | |||
3079 | { | |||
3080 | if (!spec) return; | |||
3081 | free_tokens (spec->tokens, spec->n_tokens); | |||
3082 | g_slice_free (MetaDrawSpec, spec)do { if (1) g_slice_free1 (sizeof (MetaDrawSpec), (spec)); else (void) ((MetaDrawSpec*) 0 == (spec)); } while (0); | |||
3083 | } | |||
3084 | ||||
3085 | MetaDrawSpec * | |||
3086 | meta_draw_spec_new (MetaTheme *theme, | |||
3087 | const char *expr, | |||
3088 | GError **error) | |||
3089 | { | |||
3090 | MetaDrawSpec *spec; | |||
3091 | ||||
3092 | spec = g_slice_new0 (MetaDrawSpec)((MetaDrawSpec*) g_slice_alloc0 (sizeof (MetaDrawSpec))); | |||
3093 | ||||
3094 | pos_tokenize (expr, &spec->tokens, &spec->n_tokens, NULL((void*)0)); | |||
3095 | ||||
3096 | spec->constant = meta_theme_replace_constants (theme, spec->tokens, | |||
3097 | spec->n_tokens, NULL((void*)0)); | |||
3098 | if (spec->constant) | |||
3099 | { | |||
3100 | gboolean result; | |||
3101 | ||||
3102 | result = pos_eval (spec, NULL((void*)0), &spec->value, error); | |||
3103 | if (result == FALSE(0)) | |||
3104 | { | |||
3105 | meta_draw_spec_free (spec); | |||
3106 | return NULL((void*)0); | |||
3107 | } | |||
3108 | } | |||
3109 | ||||
3110 | return spec; | |||
3111 | } | |||
3112 | ||||
3113 | MetaDrawOp* | |||
3114 | meta_draw_op_new (MetaDrawType type) | |||
3115 | { | |||
3116 | MetaDrawOp *op; | |||
3117 | MetaDrawOp dummy; | |||
3118 | int size; | |||
3119 | ||||
3120 | size = G_STRUCT_OFFSET (MetaDrawOp, data)((glong) __builtin_offsetof(MetaDrawOp, data)); | |||
3121 | ||||
3122 | switch (type) | |||
3123 | { | |||
3124 | case META_DRAW_LINE: | |||
3125 | size += sizeof (dummy.data.line); | |||
3126 | break; | |||
3127 | ||||
3128 | case META_DRAW_RECTANGLE: | |||
3129 | size += sizeof (dummy.data.rectangle); | |||
3130 | break; | |||
3131 | ||||
3132 | case META_DRAW_ARC: | |||
3133 | size += sizeof (dummy.data.arc); | |||
3134 | break; | |||
3135 | ||||
3136 | case META_DRAW_CLIP: | |||
3137 | size += sizeof (dummy.data.clip); | |||
3138 | break; | |||
3139 | ||||
3140 | case META_DRAW_TINT: | |||
3141 | size += sizeof (dummy.data.tint); | |||
3142 | break; | |||
3143 | ||||
3144 | case META_DRAW_GRADIENT: | |||
3145 | size += sizeof (dummy.data.gradient); | |||
3146 | break; | |||
3147 | ||||
3148 | case META_DRAW_IMAGE: | |||
3149 | size += sizeof (dummy.data.image); | |||
3150 | break; | |||
3151 | ||||
3152 | case META_DRAW_CTK_ARROW: | |||
3153 | size += sizeof (dummy.data.ctk_arrow); | |||
3154 | break; | |||
3155 | ||||
3156 | case META_DRAW_CTK_BOX: | |||
3157 | size += sizeof (dummy.data.ctk_box); | |||
3158 | break; | |||
3159 | ||||
3160 | case META_DRAW_CTK_VLINE: | |||
3161 | size += sizeof (dummy.data.ctk_vline); | |||
3162 | break; | |||
3163 | ||||
3164 | case META_DRAW_ICON: | |||
3165 | size += sizeof (dummy.data.icon); | |||
3166 | break; | |||
3167 | ||||
3168 | case META_DRAW_TITLE: | |||
3169 | size += sizeof (dummy.data.title); | |||
3170 | break; | |||
3171 | case META_DRAW_OP_LIST: | |||
3172 | size += sizeof (dummy.data.op_list); | |||
3173 | break; | |||
3174 | case META_DRAW_TILE: | |||
3175 | size += sizeof (dummy.data.tile); | |||
3176 | break; | |||
3177 | } | |||
3178 | ||||
3179 | op = g_malloc0 (size); | |||
3180 | ||||
3181 | op->type = type; | |||
3182 | ||||
3183 | return op; | |||
3184 | } | |||
3185 | ||||
3186 | void | |||
3187 | meta_draw_op_free (MetaDrawOp *op) | |||
3188 | { | |||
3189 | g_return_if_fail (op != NULL)do { if ((op != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "op != NULL"); return; } } while (0); | |||
3190 | ||||
3191 | switch (op->type) | |||
3192 | { | |||
3193 | case META_DRAW_LINE: | |||
3194 | if (op->data.line.color_spec) | |||
3195 | meta_color_spec_free (op->data.line.color_spec); | |||
3196 | ||||
3197 | meta_draw_spec_free (op->data.line.x1); | |||
3198 | meta_draw_spec_free (op->data.line.y1); | |||
3199 | meta_draw_spec_free (op->data.line.x2); | |||
3200 | meta_draw_spec_free (op->data.line.y2); | |||
3201 | break; | |||
3202 | ||||
3203 | case META_DRAW_RECTANGLE: | |||
3204 | if (op->data.rectangle.color_spec) | |||
3205 | g_free (op->data.rectangle.color_spec); | |||
3206 | ||||
3207 | meta_draw_spec_free (op->data.rectangle.x); | |||
3208 | meta_draw_spec_free (op->data.rectangle.y); | |||
3209 | meta_draw_spec_free (op->data.rectangle.width); | |||
3210 | meta_draw_spec_free (op->data.rectangle.height); | |||
3211 | break; | |||
3212 | ||||
3213 | case META_DRAW_ARC: | |||
3214 | if (op->data.arc.color_spec) | |||
3215 | g_free (op->data.arc.color_spec); | |||
3216 | ||||
3217 | meta_draw_spec_free (op->data.arc.x); | |||
3218 | meta_draw_spec_free (op->data.arc.y); | |||
3219 | meta_draw_spec_free (op->data.arc.width); | |||
3220 | meta_draw_spec_free (op->data.arc.height); | |||
3221 | break; | |||
3222 | ||||
3223 | case META_DRAW_CLIP: | |||
3224 | meta_draw_spec_free (op->data.clip.x); | |||
3225 | meta_draw_spec_free (op->data.clip.y); | |||
3226 | meta_draw_spec_free (op->data.clip.width); | |||
3227 | meta_draw_spec_free (op->data.clip.height); | |||
3228 | break; | |||
3229 | ||||
3230 | case META_DRAW_TINT: | |||
3231 | if (op->data.tint.color_spec) | |||
3232 | meta_color_spec_free (op->data.tint.color_spec); | |||
3233 | ||||
3234 | if (op->data.tint.alpha_spec) | |||
3235 | meta_alpha_gradient_spec_free (op->data.tint.alpha_spec); | |||
3236 | ||||
3237 | meta_draw_spec_free (op->data.tint.x); | |||
3238 | meta_draw_spec_free (op->data.tint.y); | |||
3239 | meta_draw_spec_free (op->data.tint.width); | |||
3240 | meta_draw_spec_free (op->data.tint.height); | |||
3241 | break; | |||
3242 | ||||
3243 | case META_DRAW_GRADIENT: | |||
3244 | if (op->data.gradient.gradient_spec) | |||
3245 | meta_gradient_spec_free (op->data.gradient.gradient_spec); | |||
3246 | ||||
3247 | if (op->data.gradient.alpha_spec) | |||
3248 | meta_alpha_gradient_spec_free (op->data.gradient.alpha_spec); | |||
3249 | ||||
3250 | meta_draw_spec_free (op->data.gradient.x); | |||
3251 | meta_draw_spec_free (op->data.gradient.y); | |||
3252 | meta_draw_spec_free (op->data.gradient.width); | |||
3253 | meta_draw_spec_free (op->data.gradient.height); | |||
3254 | break; | |||
3255 | ||||
3256 | case META_DRAW_IMAGE: | |||
3257 | if (op->data.image.alpha_spec) | |||
3258 | meta_alpha_gradient_spec_free (op->data.image.alpha_spec); | |||
3259 | ||||
3260 | if (op->data.image.pixbuf) | |||
3261 | g_object_unref (G_OBJECT (op->data.image.pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((op->data.image.pixbuf)), (((GType) ((20) << (2) )))))))); | |||
3262 | ||||
3263 | if (op->data.image.colorize_spec) | |||
3264 | meta_color_spec_free (op->data.image.colorize_spec); | |||
3265 | ||||
3266 | if (op->data.image.colorize_cache_pixbuf) | |||
3267 | g_object_unref (G_OBJECT (op->data.image.colorize_cache_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((op->data.image.colorize_cache_pixbuf)), (((GType) ((20 ) << (2))))))))); | |||
3268 | ||||
3269 | meta_draw_spec_free (op->data.image.x); | |||
3270 | meta_draw_spec_free (op->data.image.y); | |||
3271 | meta_draw_spec_free (op->data.image.width); | |||
3272 | meta_draw_spec_free (op->data.image.height); | |||
3273 | break; | |||
3274 | ||||
3275 | case META_DRAW_CTK_ARROW: | |||
3276 | meta_draw_spec_free (op->data.ctk_arrow.x); | |||
3277 | meta_draw_spec_free (op->data.ctk_arrow.y); | |||
3278 | meta_draw_spec_free (op->data.ctk_arrow.width); | |||
3279 | meta_draw_spec_free (op->data.ctk_arrow.height); | |||
3280 | break; | |||
3281 | ||||
3282 | case META_DRAW_CTK_BOX: | |||
3283 | meta_draw_spec_free (op->data.ctk_box.x); | |||
3284 | meta_draw_spec_free (op->data.ctk_box.y); | |||
3285 | meta_draw_spec_free (op->data.ctk_box.width); | |||
3286 | meta_draw_spec_free (op->data.ctk_box.height); | |||
3287 | break; | |||
3288 | ||||
3289 | case META_DRAW_CTK_VLINE: | |||
3290 | meta_draw_spec_free (op->data.ctk_vline.x); | |||
3291 | meta_draw_spec_free (op->data.ctk_vline.y1); | |||
3292 | meta_draw_spec_free (op->data.ctk_vline.y2); | |||
3293 | break; | |||
3294 | ||||
3295 | case META_DRAW_ICON: | |||
3296 | if (op->data.icon.alpha_spec) | |||
3297 | meta_alpha_gradient_spec_free (op->data.icon.alpha_spec); | |||
3298 | ||||
3299 | meta_draw_spec_free (op->data.icon.x); | |||
3300 | meta_draw_spec_free (op->data.icon.y); | |||
3301 | meta_draw_spec_free (op->data.icon.width); | |||
3302 | meta_draw_spec_free (op->data.icon.height); | |||
3303 | break; | |||
3304 | ||||
3305 | case META_DRAW_TITLE: | |||
3306 | if (op->data.title.color_spec) | |||
3307 | meta_color_spec_free (op->data.title.color_spec); | |||
3308 | ||||
3309 | meta_draw_spec_free (op->data.title.x); | |||
3310 | meta_draw_spec_free (op->data.title.y); | |||
3311 | if (op->data.title.ellipsize_width) | |||
3312 | meta_draw_spec_free (op->data.title.ellipsize_width); | |||
3313 | break; | |||
3314 | ||||
3315 | case META_DRAW_OP_LIST: | |||
3316 | if (op->data.op_list.op_list) | |||
3317 | meta_draw_op_list_unref (op->data.op_list.op_list); | |||
3318 | ||||
3319 | meta_draw_spec_free (op->data.op_list.x); | |||
3320 | meta_draw_spec_free (op->data.op_list.y); | |||
3321 | meta_draw_spec_free (op->data.op_list.width); | |||
3322 | meta_draw_spec_free (op->data.op_list.height); | |||
3323 | break; | |||
3324 | ||||
3325 | case META_DRAW_TILE: | |||
3326 | if (op->data.tile.op_list) | |||
3327 | meta_draw_op_list_unref (op->data.tile.op_list); | |||
3328 | ||||
3329 | meta_draw_spec_free (op->data.tile.x); | |||
3330 | meta_draw_spec_free (op->data.tile.y); | |||
3331 | meta_draw_spec_free (op->data.tile.width); | |||
3332 | meta_draw_spec_free (op->data.tile.height); | |||
3333 | meta_draw_spec_free (op->data.tile.tile_xoffset); | |||
3334 | meta_draw_spec_free (op->data.tile.tile_yoffset); | |||
3335 | meta_draw_spec_free (op->data.tile.tile_width); | |||
3336 | meta_draw_spec_free (op->data.tile.tile_height); | |||
3337 | break; | |||
3338 | } | |||
3339 | ||||
3340 | g_free (op); | |||
3341 | } | |||
3342 | ||||
3343 | static GdkPixbuf* | |||
3344 | apply_alpha (GdkPixbuf *pixbuf, | |||
3345 | MetaAlphaGradientSpec *spec, | |||
3346 | gboolean force_copy) | |||
3347 | { | |||
3348 | GdkPixbuf *new_pixbuf; | |||
3349 | gboolean needs_alpha; | |||
3350 | ||||
3351 | g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL)do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((pixbuf)); GType __t = ((gdk_pixbuf_get_type ())); gboolean __r; if (!__inst) __r = (0); else if (__inst->g_class && __inst->g_class->g_type == __t) __r = (!(0)); else __r = g_type_check_instance_is_a (__inst, __t); __r; })))))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__ )), "GDK_IS_PIXBUF (pixbuf)"); return (((void*)0)); } } while (0); | |||
3352 | ||||
3353 | needs_alpha = spec && (spec->n_alphas > 1 || | |||
3354 | spec->alphas[0] != 0xff); | |||
3355 | ||||
3356 | if (!needs_alpha) | |||
3357 | return pixbuf; | |||
3358 | ||||
3359 | if (!gdk_pixbuf_get_has_alpha (pixbuf)) | |||
3360 | { | |||
3361 | new_pixbuf = gdk_pixbuf_add_alpha (pixbuf, FALSE(0), 0, 0, 0); | |||
3362 | g_object_unref (G_OBJECT (pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((pixbuf)), (((GType) ((20) << (2))))))))); | |||
3363 | pixbuf = new_pixbuf; | |||
3364 | } | |||
3365 | else if (force_copy) | |||
3366 | { | |||
3367 | new_pixbuf = gdk_pixbuf_copy (pixbuf); | |||
3368 | g_object_unref (G_OBJECT (pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((pixbuf)), (((GType) ((20) << (2))))))))); | |||
3369 | pixbuf = new_pixbuf; | |||
3370 | } | |||
3371 | ||||
3372 | g_assert (gdk_pixbuf_get_has_alpha (pixbuf))do { if (gdk_pixbuf_get_has_alpha (pixbuf)) ; else g_assertion_message_expr ("croma", "ui/theme.c", 3372, ((const char*) (__func__)), "gdk_pixbuf_get_has_alpha (pixbuf)" ); } while (0); | |||
3373 | ||||
3374 | meta_gradient_add_alpha (pixbuf, spec->alphas, spec->n_alphas, spec->type); | |||
3375 | ||||
3376 | return pixbuf; | |||
3377 | } | |||
3378 | ||||
3379 | static GdkPixbuf* | |||
3380 | pixbuf_tile (GdkPixbuf *tile, | |||
3381 | int width, | |||
3382 | int height) | |||
3383 | { | |||
3384 | GdkPixbuf *pixbuf; | |||
3385 | int tile_width; | |||
3386 | int tile_height; | |||
3387 | int i; | |||
3388 | ||||
3389 | tile_width = gdk_pixbuf_get_width (tile); | |||
3390 | tile_height = gdk_pixbuf_get_height (tile); | |||
3391 | ||||
3392 | pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, | |||
3393 | gdk_pixbuf_get_has_alpha (tile), | |||
3394 | 8, width, height); | |||
3395 | ||||
3396 | i = 0; | |||
3397 | while (i < width) | |||
3398 | { | |||
3399 | int j; | |||
3400 | ||||
3401 | j = 0; | |||
3402 | while (j < height) | |||
3403 | { | |||
3404 | int w, h; | |||
3405 | ||||
3406 | w = MIN (tile_width, width - i)(((tile_width) < (width - i)) ? (tile_width) : (width - i) ); | |||
3407 | h = MIN (tile_height, height - j)(((tile_height) < (height - j)) ? (tile_height) : (height - j)); | |||
3408 | ||||
3409 | gdk_pixbuf_copy_area (tile, | |||
3410 | 0, 0, | |||
3411 | w, h, | |||
3412 | pixbuf, | |||
3413 | i, j); | |||
3414 | ||||
3415 | j += tile_height; | |||
3416 | } | |||
3417 | ||||
3418 | i += tile_width; | |||
3419 | } | |||
3420 | ||||
3421 | return pixbuf; | |||
3422 | } | |||
3423 | ||||
3424 | static GdkPixbuf * | |||
3425 | replicate_rows (GdkPixbuf *src, | |||
3426 | int src_x, | |||
3427 | int src_y, | |||
3428 | int width, | |||
3429 | int height) | |||
3430 | { | |||
3431 | unsigned int n_channels = gdk_pixbuf_get_n_channels (src); | |||
3432 | unsigned int src_rowstride = gdk_pixbuf_get_rowstride (src); | |||
3433 | unsigned char *pixels = (gdk_pixbuf_get_pixels (src) + src_y * src_rowstride + src_x | |||
3434 | * n_channels); | |||
3435 | unsigned char *dest_pixels; | |||
3436 | GdkPixbuf *result; | |||
3437 | unsigned int dest_rowstride; | |||
3438 | int i; | |||
3439 | ||||
3440 | result = gdk_pixbuf_new (GDK_COLORSPACE_RGB, n_channels == 4, 8, | |||
3441 | width, height); | |||
3442 | dest_rowstride = gdk_pixbuf_get_rowstride (result); | |||
3443 | dest_pixels = gdk_pixbuf_get_pixels (result); | |||
3444 | ||||
3445 | for (i = 0; i < height; i++) | |||
3446 | memcpy (dest_pixels + dest_rowstride * i, pixels, n_channels * width); | |||
3447 | ||||
3448 | return result; | |||
3449 | } | |||
3450 | ||||
3451 | static GdkPixbuf * | |||
3452 | replicate_cols (GdkPixbuf *src, | |||
3453 | int src_x, | |||
3454 | int src_y, | |||
3455 | int width, | |||
3456 | int height) | |||
3457 | { | |||
3458 | unsigned int n_channels = gdk_pixbuf_get_n_channels (src); | |||
3459 | unsigned int src_rowstride = gdk_pixbuf_get_rowstride (src); | |||
3460 | unsigned char *pixels = (gdk_pixbuf_get_pixels (src) + src_y * src_rowstride + src_x | |||
3461 | * n_channels); | |||
3462 | unsigned char *dest_pixels; | |||
3463 | GdkPixbuf *result; | |||
3464 | unsigned int dest_rowstride; | |||
3465 | int i, j; | |||
3466 | ||||
3467 | result = gdk_pixbuf_new (GDK_COLORSPACE_RGB, n_channels == 4, 8, | |||
3468 | width, height); | |||
3469 | dest_rowstride = gdk_pixbuf_get_rowstride (result); | |||
3470 | dest_pixels = gdk_pixbuf_get_pixels (result); | |||
3471 | ||||
3472 | for (i = 0; i < height; i++) | |||
3473 | { | |||
3474 | unsigned char *p = dest_pixels + dest_rowstride * i; | |||
3475 | unsigned char *q = pixels + src_rowstride * i; | |||
3476 | ||||
3477 | unsigned char r = *(q++); | |||
3478 | unsigned char g = *(q++); | |||
3479 | unsigned char b = *(q++); | |||
3480 | ||||
3481 | if (n_channels == 4) | |||
3482 | { | |||
3483 | unsigned char a; | |||
3484 | ||||
3485 | a = *(q++); | |||
3486 | ||||
3487 | for (j = 0; j < width; j++) | |||
3488 | { | |||
3489 | *(p++) = r; | |||
3490 | *(p++) = g; | |||
3491 | *(p++) = b; | |||
3492 | *(p++) = a; | |||
3493 | } | |||
3494 | } | |||
3495 | else | |||
3496 | { | |||
3497 | for (j = 0; j < width; j++) | |||
3498 | { | |||
3499 | *(p++) = r; | |||
3500 | *(p++) = g; | |||
3501 | *(p++) = b; | |||
3502 | } | |||
3503 | } | |||
3504 | } | |||
3505 | ||||
3506 | return result; | |||
3507 | } | |||
3508 | ||||
3509 | static GdkPixbuf* | |||
3510 | scale_and_alpha_pixbuf (GdkPixbuf *src, | |||
3511 | MetaAlphaGradientSpec *alpha_spec, | |||
3512 | MetaImageFillType fill_type, | |||
3513 | int width, | |||
3514 | int height, | |||
3515 | gboolean vertical_stripes, | |||
3516 | gboolean horizontal_stripes) | |||
3517 | { | |||
3518 | GdkPixbuf *pixbuf; | |||
3519 | GdkPixbuf *temp_pixbuf; | |||
3520 | ||||
3521 | pixbuf = NULL((void*)0); | |||
3522 | ||||
3523 | pixbuf = src; | |||
3524 | ||||
3525 | if (gdk_pixbuf_get_width (pixbuf) == width && | |||
3526 | gdk_pixbuf_get_height (pixbuf) == height) | |||
3527 | { | |||
3528 | g_object_ref (G_OBJECT (pixbuf))((__typeof__ (((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((pixbuf)), (((GType) ((20) << (2))) ))))))) (g_object_ref) (((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((pixbuf)), (((GType) ((20) << (2))) ))))))); | |||
3529 | } | |||
3530 | else | |||
3531 | { | |||
3532 | if (fill_type == META_IMAGE_FILL_TILE) | |||
3533 | { | |||
3534 | pixbuf = pixbuf_tile (pixbuf, width, height); | |||
3535 | } | |||
3536 | else | |||
3537 | { | |||
3538 | int src_h, src_w, dest_h, dest_w; | |||
3539 | src_h = gdk_pixbuf_get_height (src); | |||
3540 | src_w = gdk_pixbuf_get_width (src); | |||
3541 | ||||
3542 | /* prefer to replicate_cols if possible, as that | |||
3543 | * is faster (no memory reads) | |||
3544 | */ | |||
3545 | if (horizontal_stripes) | |||
3546 | { | |||
3547 | dest_w = gdk_pixbuf_get_width (src); | |||
3548 | dest_h = height; | |||
3549 | } | |||
3550 | else if (vertical_stripes) | |||
3551 | { | |||
3552 | dest_w = width; | |||
3553 | dest_h = gdk_pixbuf_get_height (src); | |||
3554 | } | |||
3555 | ||||
3556 | else | |||
3557 | { | |||
3558 | dest_w = width; | |||
3559 | dest_h = height; | |||
3560 | } | |||
3561 | ||||
3562 | if (dest_w == src_w && dest_h == src_h) | |||
3563 | { | |||
3564 | temp_pixbuf = src; | |||
3565 | g_object_ref (G_OBJECT (temp_pixbuf))((__typeof__ (((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((temp_pixbuf)), (((GType) ((20) << ( 2)))))))))) (g_object_ref) (((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((temp_pixbuf)), (((GType) ((20) << ( 2)))))))))); | |||
3566 | } | |||
3567 | else | |||
3568 | { | |||
3569 | temp_pixbuf = gdk_pixbuf_scale_simple (src, | |||
3570 | dest_w, dest_h, | |||
3571 | GDK_INTERP_BILINEAR); | |||
3572 | } | |||
3573 | ||||
3574 | /* prefer to replicate_cols if possible, as that | |||
3575 | * is faster (no memory reads) | |||
3576 | */ | |||
3577 | if (horizontal_stripes) | |||
3578 | { | |||
3579 | pixbuf = replicate_cols (temp_pixbuf, 0, 0, width, height); | |||
3580 | g_object_unref (G_OBJECT (temp_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((temp_pixbuf)), (((GType) ((20) << (2))))))))); | |||
3581 | } | |||
3582 | else if (vertical_stripes) | |||
3583 | { | |||
3584 | pixbuf = replicate_rows (temp_pixbuf, 0, 0, width, height); | |||
3585 | g_object_unref (G_OBJECT (temp_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((temp_pixbuf)), (((GType) ((20) << (2))))))))); | |||
3586 | } | |||
3587 | else | |||
3588 | { | |||
3589 | pixbuf = temp_pixbuf; | |||
3590 | } | |||
3591 | } | |||
3592 | } | |||
3593 | ||||
3594 | if (pixbuf) | |||
3595 | pixbuf = apply_alpha (pixbuf, alpha_spec, pixbuf == src); | |||
3596 | ||||
3597 | return pixbuf; | |||
3598 | } | |||
3599 | ||||
3600 | static GdkPixbuf* | |||
3601 | draw_op_as_pixbuf (const MetaDrawOp *op, | |||
3602 | CtkStyleContext *style, | |||
3603 | const MetaDrawInfo *info, | |||
3604 | int width, | |||
3605 | int height) | |||
3606 | { | |||
3607 | /* Try to get the op as a pixbuf, assuming w/h in the op | |||
3608 | * matches the width/height passed in. return NULL | |||
3609 | * if the op can't be converted to an equivalent pixbuf. | |||
3610 | */ | |||
3611 | GdkPixbuf *pixbuf; | |||
3612 | ||||
3613 | pixbuf = NULL((void*)0); | |||
3614 | ||||
3615 | switch (op->type) | |||
3616 | { | |||
3617 | case META_DRAW_LINE: | |||
3618 | break; | |||
3619 | ||||
3620 | case META_DRAW_RECTANGLE: | |||
3621 | if (op->data.rectangle.filled) | |||
3622 | { | |||
3623 | CdkRGBA color; | |||
3624 | ||||
3625 | meta_color_spec_render (op->data.rectangle.color_spec, | |||
3626 | style, | |||
3627 | &color); | |||
3628 | ||||
3629 | pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, | |||
3630 | FALSE(0), | |||
3631 | 8, width, height); | |||
3632 | ||||
3633 | gdk_pixbuf_fill (pixbuf, CDK_COLOR_RGBA (color)((guint32) (0xff | ((int)((color).red * 255) << 24) | ( (int)((color).green * 255) << 16) | ((int)((color).blue * 255) << 8)))); | |||
3634 | } | |||
3635 | break; | |||
3636 | ||||
3637 | case META_DRAW_ARC: | |||
3638 | break; | |||
3639 | ||||
3640 | case META_DRAW_CLIP: | |||
3641 | break; | |||
3642 | ||||
3643 | case META_DRAW_TINT: | |||
3644 | { | |||
3645 | CdkRGBA color; | |||
3646 | guint32 rgba; | |||
3647 | gboolean has_alpha; | |||
3648 | ||||
3649 | meta_color_spec_render (op->data.rectangle.color_spec, | |||
3650 | style, | |||
3651 | &color); | |||
3652 | ||||
3653 | has_alpha = | |||
3654 | op->data.tint.alpha_spec && | |||
3655 | (op->data.tint.alpha_spec->n_alphas > 1 || | |||
3656 | op->data.tint.alpha_spec->alphas[0] != 0xff); | |||
3657 | ||||
3658 | pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, | |||
3659 | has_alpha, | |||
3660 | 8, width, height); | |||
3661 | ||||
3662 | if (!has_alpha) | |||
3663 | { | |||
3664 | rgba = CDK_COLOR_RGBA (color)((guint32) (0xff | ((int)((color).red * 255) << 24) | ( (int)((color).green * 255) << 16) | ((int)((color).blue * 255) << 8))); | |||
3665 | ||||
3666 | gdk_pixbuf_fill (pixbuf, rgba); | |||
3667 | } | |||
3668 | else if (op->data.tint.alpha_spec->n_alphas == 1) | |||
3669 | { | |||
3670 | rgba = CDK_COLOR_RGBA (color)((guint32) (0xff | ((int)((color).red * 255) << 24) | ( (int)((color).green * 255) << 16) | ((int)((color).blue * 255) << 8))); | |||
3671 | rgba &= ~0xff; | |||
3672 | rgba |= op->data.tint.alpha_spec->alphas[0]; | |||
3673 | ||||
3674 | gdk_pixbuf_fill (pixbuf, rgba); | |||
3675 | } | |||
3676 | else | |||
3677 | { | |||
3678 | rgba = CDK_COLOR_RGBA (color)((guint32) (0xff | ((int)((color).red * 255) << 24) | ( (int)((color).green * 255) << 16) | ((int)((color).blue * 255) << 8))); | |||
3679 | ||||
3680 | gdk_pixbuf_fill (pixbuf, rgba); | |||
3681 | ||||
3682 | meta_gradient_add_alpha (pixbuf, | |||
3683 | op->data.tint.alpha_spec->alphas, | |||
3684 | op->data.tint.alpha_spec->n_alphas, | |||
3685 | op->data.tint.alpha_spec->type); | |||
3686 | } | |||
3687 | } | |||
3688 | break; | |||
3689 | ||||
3690 | case META_DRAW_IMAGE: | |||
3691 | { | |||
3692 | if (op->data.image.colorize_spec) | |||
3693 | { | |||
3694 | CdkRGBA color; | |||
3695 | ||||
3696 | meta_color_spec_render (op->data.image.colorize_spec, | |||
3697 | style, &color); | |||
3698 | ||||
3699 | if (op->data.image.colorize_cache_pixbuf == NULL((void*)0) || | |||
3700 | op->data.image.colorize_cache_pixel != CDK_COLOR_RGB (color)((guint32) (((int)((color).red * 255) << 16) | ((int)(( color).green * 255) << 8) | ((int)((color).blue * 255)) ))) | |||
3701 | { | |||
3702 | if (op->data.image.colorize_cache_pixbuf) | |||
3703 | g_object_unref (G_OBJECT (op->data.image.colorize_cache_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((op->data.image.colorize_cache_pixbuf)), (((GType) ((20 ) << (2))))))))); | |||
3704 | ||||
3705 | /* const cast here */ | |||
3706 | ((MetaDrawOp*)op)->data.image.colorize_cache_pixbuf = | |||
3707 | colorize_pixbuf (op->data.image.pixbuf, | |||
3708 | &color); | |||
3709 | ((MetaDrawOp*)op)->data.image.colorize_cache_pixel = | |||
3710 | CDK_COLOR_RGB (color)((guint32) (((int)((color).red * 255) << 16) | ((int)(( color).green * 255) << 8) | ((int)((color).blue * 255)) )); | |||
3711 | } | |||
3712 | ||||
3713 | if (op->data.image.colorize_cache_pixbuf) | |||
3714 | { | |||
3715 | pixbuf = scale_and_alpha_pixbuf (op->data.image.colorize_cache_pixbuf, | |||
3716 | op->data.image.alpha_spec, | |||
3717 | op->data.image.fill_type, | |||
3718 | width, height, | |||
3719 | op->data.image.vertical_stripes, | |||
3720 | op->data.image.horizontal_stripes); | |||
3721 | } | |||
3722 | } | |||
3723 | else | |||
3724 | { | |||
3725 | pixbuf = scale_and_alpha_pixbuf (op->data.image.pixbuf, | |||
3726 | op->data.image.alpha_spec, | |||
3727 | op->data.image.fill_type, | |||
3728 | width, height, | |||
3729 | op->data.image.vertical_stripes, | |||
3730 | op->data.image.horizontal_stripes); | |||
3731 | } | |||
3732 | break; | |||
3733 | } | |||
3734 | ||||
3735 | case META_DRAW_GRADIENT: | |||
3736 | case META_DRAW_CTK_ARROW: | |||
3737 | case META_DRAW_CTK_BOX: | |||
3738 | case META_DRAW_CTK_VLINE: | |||
3739 | break; | |||
3740 | ||||
3741 | case META_DRAW_ICON: | |||
3742 | if (info->mini_icon && | |||
3743 | width <= gdk_pixbuf_get_width (info->mini_icon) && | |||
3744 | height <= gdk_pixbuf_get_height (info->mini_icon)) | |||
3745 | pixbuf = scale_and_alpha_pixbuf (info->mini_icon, | |||
3746 | op->data.icon.alpha_spec, | |||
3747 | op->data.icon.fill_type, | |||
3748 | width, height, | |||
3749 | FALSE(0), FALSE(0)); | |||
3750 | else if (info->icon) | |||
3751 | pixbuf = scale_and_alpha_pixbuf (info->icon, | |||
3752 | op->data.icon.alpha_spec, | |||
3753 | op->data.icon.fill_type, | |||
3754 | width, height, | |||
3755 | FALSE(0), FALSE(0)); | |||
3756 | break; | |||
3757 | ||||
3758 | case META_DRAW_TITLE: | |||
3759 | break; | |||
3760 | ||||
3761 | case META_DRAW_OP_LIST: | |||
3762 | break; | |||
3763 | ||||
3764 | case META_DRAW_TILE: | |||
3765 | break; | |||
3766 | } | |||
3767 | ||||
3768 | return pixbuf; | |||
3769 | } | |||
3770 | ||||
3771 | static cairo_surface_t * | |||
3772 | draw_op_as_surface (const MetaDrawOp *op, | |||
3773 | CtkStyleContext *style, | |||
3774 | const MetaDrawInfo *info, | |||
3775 | gdouble width, | |||
3776 | gdouble height) | |||
3777 | { | |||
3778 | cairo_surface_t *surface; | |||
3779 | ||||
3780 | surface = NULL((void*)0); | |||
3781 | ||||
3782 | switch (op->type) | |||
3783 | { | |||
3784 | case META_DRAW_IMAGE: | |||
3785 | { | |||
3786 | if (op->data.image.colorize_spec) | |||
3787 | { | |||
3788 | CdkRGBA color; | |||
3789 | ||||
3790 | meta_color_spec_render (op->data.image.colorize_spec, | |||
3791 | style, &color); | |||
3792 | ||||
3793 | if (op->data.image.colorize_cache_pixbuf == NULL((void*)0) || | |||
3794 | op->data.image.colorize_cache_pixel != CDK_COLOR_RGB (color)((guint32) (((int)((color).red * 255) << 16) | ((int)(( color).green * 255) << 8) | ((int)((color).blue * 255)) ))) | |||
3795 | { | |||
3796 | if (op->data.image.colorize_cache_pixbuf) | |||
3797 | g_object_unref (G_OBJECT (op->data.image.colorize_cache_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((op->data.image.colorize_cache_pixbuf)), (((GType) ((20 ) << (2))))))))); | |||
3798 | ||||
3799 | /* const cast here */ | |||
3800 | ((MetaDrawOp*)op)->data.image.colorize_cache_pixbuf = | |||
3801 | colorize_pixbuf (op->data.image.pixbuf, | |||
3802 | &color); | |||
3803 | ((MetaDrawOp*)op)->data.image.colorize_cache_pixel = | |||
3804 | CDK_COLOR_RGB (color)((guint32) (((int)((color).red * 255) << 16) | ((int)(( color).green * 255) << 8) | ((int)((color).blue * 255)) )); | |||
3805 | } | |||
3806 | ||||
3807 | if (op->data.image.colorize_cache_pixbuf) | |||
3808 | { | |||
3809 | surface = get_surface_from_pixbuf (op->data.image.colorize_cache_pixbuf, | |||
3810 | op->data.image.fill_type, | |||
3811 | width, height, | |||
3812 | op->data.image.vertical_stripes, | |||
3813 | op->data.image.horizontal_stripes); | |||
3814 | } | |||
3815 | } | |||
3816 | else | |||
3817 | { | |||
3818 | surface = get_surface_from_pixbuf (op->data.image.pixbuf, | |||
3819 | op->data.image.fill_type, | |||
3820 | width, height, | |||
3821 | op->data.image.vertical_stripes, | |||
3822 | op->data.image.horizontal_stripes); | |||
3823 | } | |||
3824 | break; | |||
3825 | } | |||
3826 | ||||
3827 | case META_DRAW_ICON: | |||
3828 | if (info->mini_icon && | |||
3829 | width <= gdk_pixbuf_get_width (info->mini_icon) && | |||
3830 | height <= gdk_pixbuf_get_height (info->mini_icon)) | |||
3831 | surface = get_surface_from_pixbuf (info->mini_icon, op->data.icon.fill_type, | |||
3832 | width, height, FALSE(0), FALSE(0)); | |||
3833 | else if (info->icon) | |||
3834 | surface = get_surface_from_pixbuf (info->icon, op->data.icon.fill_type, | |||
3835 | width, height, FALSE(0), FALSE(0)); | |||
3836 | break; | |||
3837 | ||||
3838 | case META_DRAW_TINT: | |||
3839 | case META_DRAW_LINE: | |||
3840 | case META_DRAW_RECTANGLE: | |||
3841 | case META_DRAW_ARC: | |||
3842 | case META_DRAW_CLIP: | |||
3843 | case META_DRAW_GRADIENT: | |||
3844 | case META_DRAW_CTK_ARROW: | |||
3845 | case META_DRAW_CTK_BOX: | |||
3846 | case META_DRAW_CTK_VLINE: | |||
3847 | case META_DRAW_TITLE: | |||
3848 | case META_DRAW_OP_LIST: | |||
3849 | case META_DRAW_TILE: | |||
3850 | break; | |||
3851 | ||||
3852 | default: | |||
3853 | break; | |||
3854 | } | |||
3855 | ||||
3856 | return surface; | |||
3857 | } | |||
3858 | ||||
3859 | static void | |||
3860 | fill_env (MetaPositionExprEnv *env, | |||
3861 | const MetaDrawInfo *info, | |||
3862 | MetaRectangle logical_region) | |||
3863 | { | |||
3864 | /* FIXME this stuff could be raised into draw_op_list_draw() probably | |||
3865 | */ | |||
3866 | env->rect = logical_region; | |||
3867 | env->object_width = -1; | |||
3868 | env->object_height = -1; | |||
3869 | if (info->fgeom) | |||
3870 | { | |||
3871 | env->left_width = info->fgeom->borders.visible.left; | |||
3872 | env->right_width = info->fgeom->borders.visible.right; | |||
3873 | env->top_height = info->fgeom->borders.visible.top; | |||
3874 | env->bottom_height = info->fgeom->borders.visible.bottom; | |||
3875 | env->frame_x_center = info->fgeom->width / 2 - logical_region.x; | |||
3876 | env->frame_y_center = info->fgeom->height / 2 - logical_region.y; | |||
3877 | } | |||
3878 | else | |||
3879 | { | |||
3880 | env->left_width = 0; | |||
3881 | env->right_width = 0; | |||
3882 | env->top_height = 0; | |||
3883 | env->bottom_height = 0; | |||
3884 | env->frame_x_center = 0; | |||
3885 | env->frame_y_center = 0; | |||
3886 | } | |||
3887 | ||||
3888 | env->mini_icon_width = info->mini_icon ? gdk_pixbuf_get_width (info->mini_icon) : 0; | |||
3889 | env->mini_icon_height = info->mini_icon ? gdk_pixbuf_get_height (info->mini_icon) : 0; | |||
3890 | env->icon_width = info->icon ? gdk_pixbuf_get_width (info->icon) : 0; | |||
3891 | env->icon_height = info->icon ? gdk_pixbuf_get_height (info->icon) : 0; | |||
3892 | ||||
3893 | env->title_width = info->title_layout_width; | |||
3894 | env->title_height = info->title_layout_height; | |||
3895 | env->theme = meta_current_theme; | |||
3896 | } | |||
3897 | ||||
3898 | /* This code was originally rendering anti-aliased using X primitives, and | |||
3899 | * now has been switched to draw anti-aliased using cairo. In general, the | |||
3900 | * closest correspondence between X rendering and cairo rendering is given | |||
3901 | * by offsetting the geometry by 0.5 pixels in both directions before rendering | |||
3902 | * with cairo. This is because X samples at the upper left corner of the | |||
3903 | * pixel while cairo averages over the entire pixel. However, in the cases | |||
3904 | * where the X rendering was an exact rectangle with no "jaggies" | |||
3905 | * we need to be a bit careful about applying the offset. We want to produce | |||
3906 | * the exact same pixel-aligned rectangle, rather than a rectangle with | |||
3907 | * fuzz around the edges. | |||
3908 | */ | |||
3909 | static void | |||
3910 | meta_draw_op_draw_with_env (const MetaDrawOp *op, | |||
3911 | CtkStyleContext *style_ctk, | |||
3912 | cairo_t *cr, | |||
3913 | const MetaDrawInfo *info, | |||
3914 | MetaRectangle rect, | |||
3915 | MetaPositionExprEnv *env) | |||
3916 | { | |||
3917 | CdkRGBA color; | |||
3918 | ||||
3919 | cairo_save (cr); | |||
3920 | ctk_style_context_save (style_ctk); | |||
3921 | ||||
3922 | cairo_set_line_width (cr, 1.0); | |||
3923 | ||||
3924 | switch (op->type) | |||
3925 | { | |||
3926 | case META_DRAW_LINE: | |||
3927 | { | |||
3928 | int x1, y1; | |||
3929 | ||||
3930 | meta_color_spec_render (op->data.line.color_spec, style_ctk, &color); | |||
3931 | cdk_cairo_set_source_rgba (cr, &color); | |||
3932 | ||||
3933 | if (op->data.line.width > 0) | |||
3934 | cairo_set_line_width (cr, op->data.line.width); | |||
3935 | ||||
3936 | if (op->data.line.dash_on_length > 0 && | |||
3937 | op->data.line.dash_off_length > 0) | |||
3938 | { | |||
3939 | double dash_list[2]; | |||
3940 | dash_list[0] = op->data.line.dash_on_length; | |||
3941 | dash_list[1] = op->data.line.dash_off_length; | |||
3942 | cairo_set_dash (cr, dash_list, 2, 0); | |||
3943 | } | |||
3944 | ||||
3945 | x1 = parse_x_position_unchecked (op->data.line.x1, env); | |||
3946 | y1 = parse_y_position_unchecked (op->data.line.y1, env); | |||
3947 | ||||
3948 | if (!op->data.line.x2 && | |||
3949 | !op->data.line.y2 && | |||
3950 | op->data.line.width==0) | |||
3951 | { | |||
3952 | cairo_rectangle (cr, x1, y1, 1, 1); | |||
3953 | cairo_fill (cr); | |||
3954 | } | |||
3955 | else | |||
3956 | { | |||
3957 | int x2, y2; | |||
3958 | ||||
3959 | if (op->data.line.x2) | |||
3960 | x2 = parse_x_position_unchecked (op->data.line.x2, env); | |||
3961 | else | |||
3962 | x2 = x1; | |||
3963 | ||||
3964 | if (op->data.line.y2) | |||
3965 | y2 = parse_y_position_unchecked (op->data.line.y2, env); | |||
3966 | else | |||
3967 | y2 = y1; | |||
3968 | ||||
3969 | /* This is one of the cases where we are matching the exact | |||
3970 | * pixel aligned rectangle produced by X; for zero-width lines | |||
3971 | * the generic algorithm produces the right result so we don't | |||
3972 | * need to handle them here. | |||
3973 | */ | |||
3974 | if ((y1 == y2 || x1 == x2) && op->data.line.width != 0) | |||
3975 | { | |||
3976 | double offset = op->data.line.width % 2 ? .5 : 0; | |||
3977 | ||||
3978 | if (y1 == y2) | |||
3979 | { | |||
3980 | cairo_move_to (cr, x1, y1 + offset); | |||
3981 | cairo_line_to (cr, x2, y2 + offset); | |||
3982 | } | |||
3983 | else | |||
3984 | { | |||
3985 | cairo_move_to (cr, x1 + offset, y1); | |||
3986 | cairo_line_to (cr, x2 + offset, y2); | |||
3987 | } | |||
3988 | } | |||
3989 | else | |||
3990 | { | |||
3991 | /* zero-width lines include both end-points in X, unlike wide lines */ | |||
3992 | if (op->data.line.width == 0) | |||
3993 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); | |||
3994 | ||||
3995 | cairo_move_to (cr, x1 + .5, y1 + .5); | |||
3996 | cairo_line_to (cr, x2 + .5, y2 + .5); | |||
3997 | } | |||
3998 | cairo_stroke (cr); | |||
3999 | } | |||
4000 | } | |||
4001 | break; | |||
4002 | ||||
4003 | case META_DRAW_RECTANGLE: | |||
4004 | { | |||
4005 | int rx, ry, rwidth, rheight; | |||
4006 | ||||
4007 | meta_color_spec_render (op->data.rectangle.color_spec, style_ctk, &color); | |||
4008 | cdk_cairo_set_source_rgba (cr, &color); | |||
4009 | ||||
4010 | rx = parse_x_position_unchecked (op->data.rectangle.x, env); | |||
4011 | ry = parse_y_position_unchecked (op->data.rectangle.y, env); | |||
4012 | rwidth = parse_size_unchecked (op->data.rectangle.width, env); | |||
4013 | rheight = parse_size_unchecked (op->data.rectangle.height, env); | |||
4014 | ||||
4015 | /* Filled and stroked rectangles are the other cases | |||
4016 | * we pixel-align to X rasterization | |||
4017 | */ | |||
4018 | if (op->data.rectangle.filled) | |||
4019 | { | |||
4020 | cairo_rectangle (cr, rx, ry, rwidth, rheight); | |||
4021 | cairo_fill (cr); | |||
4022 | } | |||
4023 | else | |||
4024 | { | |||
4025 | cairo_rectangle (cr, rx + .5, ry + .5, rwidth, rheight); | |||
4026 | cairo_stroke (cr); | |||
4027 | } | |||
4028 | } | |||
4029 | break; | |||
4030 | ||||
4031 | case META_DRAW_ARC: | |||
4032 | { | |||
4033 | int rx, ry, rwidth, rheight; | |||
4034 | double start_angle, end_angle; | |||
4035 | double center_x, center_y; | |||
4036 | ||||
4037 | meta_color_spec_render (op->data.arc.color_spec, style_ctk, &color); | |||
4038 | cdk_cairo_set_source_rgba (cr, &color); | |||
4039 | ||||
4040 | rx = parse_x_position_unchecked (op->data.arc.x, env); | |||
4041 | ry = parse_y_position_unchecked (op->data.arc.y, env); | |||
4042 | rwidth = parse_size_unchecked (op->data.arc.width, env); | |||
4043 | rheight = parse_size_unchecked (op->data.arc.height, env); | |||
4044 | ||||
4045 | start_angle = op->data.arc.start_angle * (M_PI3.14159265358979323846 / 180.) | |||
4046 | - (.5 * M_PI3.14159265358979323846); /* start at 12 instead of 3 oclock */ | |||
4047 | end_angle = start_angle + op->data.arc.extent_angle * (M_PI3.14159265358979323846 / 180.); | |||
4048 | center_x = rx + (double)rwidth / 2. + .5; | |||
4049 | center_y = ry + (double)rheight / 2. + .5; | |||
4050 | ||||
4051 | cairo_save (cr); | |||
4052 | ||||
4053 | cairo_translate (cr, center_x, center_y); | |||
4054 | cairo_scale (cr, (double)rwidth / 2., (double)rheight / 2.); | |||
4055 | ||||
4056 | if (op->data.arc.extent_angle >= 0) | |||
4057 | cairo_arc (cr, 0, 0, 1, start_angle, end_angle); | |||
4058 | else | |||
4059 | cairo_arc_negative (cr, 0, 0, 1, start_angle, end_angle); | |||
4060 | ||||
4061 | cairo_restore (cr); | |||
4062 | ||||
4063 | if (op->data.arc.filled) | |||
4064 | { | |||
4065 | cairo_line_to (cr, center_x, center_y); | |||
4066 | cairo_fill (cr); | |||
4067 | } | |||
4068 | else | |||
4069 | cairo_stroke (cr); | |||
4070 | } | |||
4071 | break; | |||
4072 | ||||
4073 | case META_DRAW_CLIP: | |||
4074 | break; | |||
4075 | ||||
4076 | case META_DRAW_TINT: | |||
4077 | { | |||
4078 | int rx, ry, rwidth, rheight; | |||
4079 | gboolean needs_alpha; | |||
4080 | ||||
4081 | needs_alpha = op->data.tint.alpha_spec && | |||
4082 | (op->data.tint.alpha_spec->n_alphas > 1 || | |||
4083 | op->data.tint.alpha_spec->alphas[0] != 0xff); | |||
4084 | ||||
4085 | rx = parse_x_position_unchecked (op->data.tint.x, env); | |||
4086 | ry = parse_y_position_unchecked (op->data.tint.y, env); | |||
4087 | rwidth = parse_size_unchecked (op->data.tint.width, env); | |||
4088 | rheight = parse_size_unchecked (op->data.tint.height, env); | |||
4089 | ||||
4090 | if (!needs_alpha) | |||
4091 | { | |||
4092 | meta_color_spec_render (op->data.tint.color_spec, style_ctk, &color); | |||
4093 | cdk_cairo_set_source_rgba (cr, &color); | |||
4094 | ||||
4095 | cairo_rectangle (cr, rx, ry, rwidth, rheight); | |||
4096 | cairo_fill (cr); | |||
4097 | } | |||
4098 | else | |||
4099 | { | |||
4100 | GdkPixbuf *pixbuf; | |||
4101 | ||||
4102 | pixbuf = draw_op_as_pixbuf (op, style_ctk, info, | |||
4103 | rwidth, rheight); | |||
4104 | ||||
4105 | if (pixbuf) | |||
4106 | { | |||
4107 | cdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry); | |||
4108 | cairo_paint (cr); | |||
4109 | ||||
4110 | g_object_unref (G_OBJECT (pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((pixbuf)), (((GType) ((20) << (2))))))))); | |||
4111 | } | |||
4112 | } | |||
4113 | } | |||
4114 | break; | |||
4115 | ||||
4116 | case META_DRAW_GRADIENT: | |||
4117 | { | |||
4118 | int rx, ry, rwidth, rheight; | |||
4119 | ||||
4120 | rx = parse_x_position_unchecked (op->data.gradient.x, env); | |||
4121 | ry = parse_y_position_unchecked (op->data.gradient.y, env); | |||
4122 | rwidth = parse_size_unchecked (op->data.gradient.width, env); | |||
4123 | rheight = parse_size_unchecked (op->data.gradient.height, env); | |||
4124 | ||||
4125 | meta_gradient_spec_render (op->data.gradient.gradient_spec, | |||
4126 | op->data.gradient.alpha_spec, | |||
4127 | cr, style_ctk, rx, ry, rwidth, rheight); | |||
4128 | } | |||
4129 | break; | |||
4130 | ||||
4131 | case META_DRAW_IMAGE: | |||
4132 | { | |||
4133 | gint scale; | |||
4134 | gdouble rx, ry, rwidth, rheight; | |||
4135 | cairo_surface_t *surface; | |||
4136 | ||||
4137 | scale = cdk_window_get_scale_factor (cdk_get_default_root_window ()); | |||
4138 | cairo_scale (cr, 1.0 / scale, 1.0 / scale); | |||
4139 | ||||
4140 | if (op->data.image.pixbuf) | |||
4141 | { | |||
4142 | env->object_width = gdk_pixbuf_get_width (op->data.image.pixbuf) / scale; | |||
4143 | env->object_height = gdk_pixbuf_get_height (op->data.image.pixbuf) / scale; | |||
4144 | } | |||
4145 | ||||
4146 | rwidth = parse_size_unchecked (op->data.image.width, env) * scale; | |||
4147 | rheight = parse_size_unchecked (op->data.image.height, env) * scale; | |||
4148 | ||||
4149 | surface = draw_op_as_surface (op, style_ctk, info, rwidth, rheight); | |||
4150 | ||||
4151 | if (surface) | |||
4152 | { | |||
4153 | rx = parse_x_position_unchecked (op->data.image.x, env) * scale; | |||
4154 | ry = parse_y_position_unchecked (op->data.image.y, env) * scale; | |||
4155 | ||||
4156 | cairo_set_source_surface (cr, surface, rx, ry); | |||
4157 | ||||
4158 | if (op->data.image.alpha_spec) | |||
4159 | { | |||
4160 | cairo_pattern_t *pattern; | |||
4161 | ||||
4162 | cairo_translate (cr, rx, ry); | |||
4163 | cairo_scale (cr, rwidth, rheight); | |||
4164 | ||||
4165 | pattern = meta_alpha_gradient_spec_get_mask (op->data.image.alpha_spec); | |||
4166 | cairo_mask (cr, pattern); | |||
4167 | ||||
4168 | cairo_pattern_destroy (pattern); | |||
4169 | } | |||
4170 | else | |||
4171 | { | |||
4172 | cairo_paint (cr); | |||
4173 | } | |||
4174 | ||||
4175 | cairo_surface_destroy (surface); | |||
4176 | } | |||
4177 | } | |||
4178 | break; | |||
4179 | ||||
4180 | case META_DRAW_CTK_ARROW: | |||
4181 | { | |||
4182 | int rx, ry, rwidth, rheight; | |||
4183 | ||||
4184 | rx = parse_x_position_unchecked (op->data.ctk_arrow.x, env); | |||
4185 | ry = parse_y_position_unchecked (op->data.ctk_arrow.y, env); | |||
4186 | rwidth = parse_size_unchecked (op->data.ctk_arrow.width, env); | |||
4187 | rheight = parse_size_unchecked (op->data.ctk_arrow.height, env); | |||
4188 | ||||
4189 | double size = MAX(rwidth, rheight)(((rwidth) > (rheight)) ? (rwidth) : (rheight)), angle = 0; | |||
4190 | ||||
4191 | switch (op->data.ctk_arrow.arrow) | |||
4192 | { | |||
4193 | case CTK_ARROW_UP: | |||
4194 | angle = 0; | |||
4195 | break; | |||
4196 | case CTK_ARROW_RIGHT: | |||
4197 | angle = M_PI3.14159265358979323846 / 2; | |||
4198 | break; | |||
4199 | case CTK_ARROW_DOWN: | |||
4200 | angle = M_PI3.14159265358979323846; | |||
4201 | break; | |||
4202 | case CTK_ARROW_LEFT: | |||
4203 | angle = 3 * M_PI3.14159265358979323846 / 2; | |||
4204 | break; | |||
4205 | case CTK_ARROW_NONE: | |||
4206 | return; | |||
4207 | } | |||
4208 | ||||
4209 | ctk_style_context_set_state (style_ctk, op->data.ctk_arrow.state); | |||
4210 | ctk_render_arrow (style_ctk, cr, angle, rx, ry, size); | |||
4211 | } | |||
4212 | break; | |||
4213 | ||||
4214 | case META_DRAW_CTK_BOX: | |||
4215 | { | |||
4216 | int rx, ry, rwidth, rheight; | |||
4217 | ||||
4218 | rx = parse_x_position_unchecked (op->data.ctk_box.x, env); | |||
4219 | ry = parse_y_position_unchecked (op->data.ctk_box.y, env); | |||
4220 | rwidth = parse_size_unchecked (op->data.ctk_box.width, env); | |||
4221 | rheight = parse_size_unchecked (op->data.ctk_box.height, env); | |||
4222 | ||||
4223 | ctk_style_context_set_state (style_ctk, op->data.ctk_box.state); | |||
4224 | ctk_render_background (style_ctk, cr, rx, ry, rwidth, rheight); | |||
4225 | ctk_render_frame (style_ctk, cr, rx, ry, rwidth, rheight); | |||
4226 | } | |||
4227 | break; | |||
4228 | ||||
4229 | case META_DRAW_CTK_VLINE: | |||
4230 | { | |||
4231 | int rx, ry1, ry2; | |||
4232 | ||||
4233 | rx = parse_x_position_unchecked (op->data.ctk_vline.x, env); | |||
4234 | ry1 = parse_y_position_unchecked (op->data.ctk_vline.y1, env); | |||
4235 | ry2 = parse_y_position_unchecked (op->data.ctk_vline.y2, env); | |||
4236 | ||||
4237 | ctk_style_context_set_state (style_ctk, op->data.ctk_vline.state); | |||
4238 | ctk_render_line (style_ctk, cr, rx, ry1, rx, ry2); | |||
4239 | } | |||
4240 | break; | |||
4241 | ||||
4242 | case META_DRAW_ICON: | |||
4243 | { | |||
4244 | gint scale; | |||
4245 | gdouble rx, ry, rwidth, rheight; | |||
4246 | cairo_surface_t *surface; | |||
4247 | ||||
4248 | scale = cdk_window_get_scale_factor (cdk_get_default_root_window ()); | |||
4249 | cairo_scale (cr, 1.0 / scale, 1.0 / scale); | |||
4250 | ||||
4251 | rwidth = parse_size_unchecked (op->data.icon.width, env) * scale; | |||
4252 | rheight = parse_size_unchecked (op->data.icon.height, env) * scale; | |||
4253 | ||||
4254 | surface = draw_op_as_surface (op, style_ctk, info, rwidth, rheight); | |||
4255 | ||||
4256 | if (surface) | |||
4257 | { | |||
4258 | rx = parse_x_position_unchecked (op->data.icon.x, env) * scale; | |||
4259 | ry = parse_y_position_unchecked (op->data.icon.y, env) * scale; | |||
4260 | ||||
4261 | cairo_set_source_surface (cr, surface, rx, ry); | |||
4262 | ||||
4263 | if (op->data.icon.alpha_spec) | |||
4264 | { | |||
4265 | cairo_pattern_t *pattern; | |||
4266 | ||||
4267 | cairo_translate (cr, rx, ry); | |||
4268 | cairo_scale (cr, rwidth, rheight); | |||
4269 | ||||
4270 | pattern = meta_alpha_gradient_spec_get_mask (op->data.icon.alpha_spec); | |||
4271 | cairo_mask (cr, pattern); | |||
4272 | ||||
4273 | cairo_pattern_destroy (pattern); | |||
4274 | } | |||
4275 | else | |||
4276 | { | |||
4277 | cairo_paint (cr); | |||
4278 | } | |||
4279 | ||||
4280 | cairo_surface_destroy (surface); | |||
4281 | } | |||
4282 | } | |||
4283 | break; | |||
4284 | ||||
4285 | case META_DRAW_TITLE: | |||
4286 | if (info->title_layout) | |||
4287 | { | |||
4288 | int rx, ry; | |||
4289 | PangoRectangle ink_rect, logical_rect; | |||
4290 | ||||
4291 | meta_color_spec_render (op->data.title.color_spec, style_ctk, &color); | |||
4292 | cdk_cairo_set_source_rgba (cr, &color); | |||
4293 | ||||
4294 | rx = parse_x_position_unchecked (op->data.title.x, env); | |||
4295 | ry = parse_y_position_unchecked (op->data.title.y, env); | |||
4296 | ||||
4297 | if (op->data.title.ellipsize_width) | |||
4298 | { | |||
4299 | int ellipsize_width; | |||
4300 | int right_bearing; | |||
4301 | ||||
4302 | ellipsize_width = parse_x_position_unchecked (op->data.title.ellipsize_width, env); | |||
4303 | /* HACK: parse_x_position_unchecked adds in env->rect.x, subtract out again */ | |||
4304 | ellipsize_width -= env->rect.x; | |||
4305 | ||||
4306 | pango_layout_set_width (info->title_layout, -1); | |||
4307 | pango_layout_get_pixel_extents (info->title_layout, | |||
4308 | &ink_rect, &logical_rect); | |||
4309 | ||||
4310 | /* Pango's idea of ellipsization is with respect to the logical rect. | |||
4311 | * correct for this, by reducing the ellipsization width by the overflow | |||
4312 | * of the un-ellipsized text on the right... it's always the visual | |||
4313 | * right we want regardless of bidi, since since the X we pass in to | |||
4314 | * cairo_move_to() is always the left edge of the line. | |||
4315 | */ | |||
4316 | right_bearing = (ink_rect.x + ink_rect.width) - (logical_rect.x + logical_rect.width); | |||
4317 | right_bearing = MAX (right_bearing, 0)(((right_bearing) > (0)) ? (right_bearing) : (0)); | |||
4318 | ||||
4319 | ellipsize_width -= right_bearing; | |||
4320 | ellipsize_width = MAX (ellipsize_width, 0)(((ellipsize_width) > (0)) ? (ellipsize_width) : (0)); | |||
4321 | ||||
4322 | /* Only ellipsizing when necessary is a performance optimization - | |||
4323 | * pango_layout_set_width() will force a relayout if it isn't the | |||
4324 | * same as the current width of -1. | |||
4325 | */ | |||
4326 | if (ellipsize_width < logical_rect.width) | |||
4327 | pango_layout_set_width (info->title_layout, PANGO_SCALE1024 * ellipsize_width); | |||
4328 | } | |||
4329 | else if (rx - env->rect.x + env->title_width >= env->rect.width) | |||
4330 | { | |||
4331 | const double alpha_margin = 30.0; | |||
4332 | int text_space = env->rect.x + env->rect.width - | |||
4333 | (rx - env->rect.x) - env->right_width; | |||
4334 | ||||
4335 | double startalpha = 1.0 - (alpha_margin/((double)text_space)); | |||
4336 | ||||
4337 | cairo_pattern_t *linpat; | |||
4338 | linpat = cairo_pattern_create_linear (rx, ry, text_space, | |||
4339 | env->title_height); | |||
4340 | cairo_pattern_add_color_stop_rgba (linpat, 0, color.red, | |||
4341 | color.green, | |||
4342 | color.blue, | |||
4343 | color.alpha); | |||
4344 | cairo_pattern_add_color_stop_rgba (linpat, startalpha, | |||
4345 | color.red, | |||
4346 | color.green, | |||
4347 | color.blue, | |||
4348 | color.alpha); | |||
4349 | cairo_pattern_add_color_stop_rgba (linpat, 1, color.red, | |||
4350 | color.green, | |||
4351 | color.blue, 0); | |||
4352 | cairo_set_source(cr, linpat); | |||
4353 | cairo_pattern_destroy(linpat); | |||
4354 | } | |||
4355 | ||||
4356 | cairo_move_to (cr, rx, ry); | |||
4357 | pango_cairo_show_layout (cr, info->title_layout); | |||
4358 | ||||
4359 | /* Remove any ellipsization we might have set; will short-circuit | |||
4360 | * if the width is already -1 */ | |||
4361 | pango_layout_set_width (info->title_layout, -1); | |||
4362 | } | |||
4363 | break; | |||
4364 | ||||
4365 | case META_DRAW_OP_LIST: | |||
4366 | { | |||
4367 | MetaRectangle d_rect; | |||
4368 | ||||
4369 | d_rect.x = parse_x_position_unchecked (op->data.op_list.x, env); | |||
4370 | d_rect.y = parse_y_position_unchecked (op->data.op_list.y, env); | |||
4371 | d_rect.width = parse_size_unchecked (op->data.op_list.width, env); | |||
4372 | d_rect.height = parse_size_unchecked (op->data.op_list.height, env); | |||
4373 | ||||
4374 | meta_draw_op_list_draw_with_style (op->data.op_list.op_list, | |||
4375 | style_ctk, | |||
4376 | cr, | |||
4377 | info, d_rect); | |||
4378 | } | |||
4379 | break; | |||
4380 | ||||
4381 | case META_DRAW_TILE: | |||
4382 | { | |||
4383 | int rx, ry, rwidth, rheight; | |||
4384 | int tile_xoffset, tile_yoffset; | |||
4385 | MetaRectangle tile; | |||
4386 | ||||
4387 | rx = parse_x_position_unchecked (op->data.tile.x, env); | |||
4388 | ry = parse_y_position_unchecked (op->data.tile.y, env); | |||
4389 | rwidth = parse_size_unchecked (op->data.tile.width, env); | |||
4390 | rheight = parse_size_unchecked (op->data.tile.height, env); | |||
4391 | ||||
4392 | cairo_save (cr); | |||
4393 | ||||
4394 | cairo_rectangle (cr, rx, ry, rwidth, rheight); | |||
4395 | cairo_clip (cr); | |||
4396 | ||||
4397 | tile_xoffset = parse_x_position_unchecked (op->data.tile.tile_xoffset, env); | |||
4398 | tile_yoffset = parse_y_position_unchecked (op->data.tile.tile_yoffset, env); | |||
4399 | /* tile offset should not include x/y */ | |||
4400 | tile_xoffset -= rect.x; | |||
4401 | tile_yoffset -= rect.y; | |||
4402 | ||||
4403 | tile.width = parse_size_unchecked (op->data.tile.tile_width, env); | |||
4404 | tile.height = parse_size_unchecked (op->data.tile.tile_height, env); | |||
4405 | ||||
4406 | tile.x = rx - tile_xoffset; | |||
4407 | ||||
4408 | while (tile.x < (rx + rwidth)) | |||
4409 | { | |||
4410 | tile.y = ry - tile_yoffset; | |||
4411 | while (tile.y < (ry + rheight)) | |||
4412 | { | |||
4413 | meta_draw_op_list_draw_with_style (op->data.tile.op_list, | |||
4414 | style_ctk, cr, info, | |||
4415 | tile); | |||
4416 | ||||
4417 | tile.y += tile.height; | |||
4418 | } | |||
4419 | ||||
4420 | tile.x += tile.width; | |||
4421 | } | |||
4422 | cairo_restore (cr); | |||
4423 | } | |||
4424 | break; | |||
4425 | } | |||
4426 | ||||
4427 | cairo_restore (cr); | |||
4428 | ctk_style_context_restore (style_ctk); | |||
4429 | } | |||
4430 | ||||
4431 | void | |||
4432 | meta_draw_op_draw_with_style (const MetaDrawOp *op, | |||
4433 | CtkStyleContext *style_ctk, | |||
4434 | cairo_t *cr, | |||
4435 | const MetaDrawInfo *info, | |||
4436 | MetaRectangle logical_region) | |||
4437 | { | |||
4438 | MetaPositionExprEnv env; | |||
4439 | ||||
4440 | fill_env (&env, info, logical_region); | |||
4441 | ||||
4442 | meta_draw_op_draw_with_env (op, | |||
4443 | style_ctk, | |||
4444 | cr, | |||
4445 | info, logical_region, | |||
4446 | &env); | |||
4447 | ||||
4448 | } | |||
4449 | ||||
4450 | void | |||
4451 | meta_draw_op_draw (const MetaDrawOp *op, | |||
4452 | CtkWidget *widget, | |||
4453 | cairo_t *cr, | |||
4454 | const MetaDrawInfo *info, | |||
4455 | MetaRectangle logical_region) | |||
4456 | { | |||
4457 | meta_draw_op_draw_with_style (op, | |||
4458 | ctk_widget_get_style_context (widget), | |||
4459 | cr, | |||
4460 | info, logical_region); | |||
4461 | } | |||
4462 | ||||
4463 | MetaDrawOpList* | |||
4464 | meta_draw_op_list_new (int n_preallocs) | |||
4465 | { | |||
4466 | MetaDrawOpList *op_list; | |||
4467 | ||||
4468 | g_return_val_if_fail (n_preallocs >= 0, NULL)do { if ((n_preallocs >= 0)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "n_preallocs >= 0") ; return (((void*)0)); } } while (0); | |||
4469 | ||||
4470 | op_list = g_new (MetaDrawOpList, 1)((MetaDrawOpList *) g_malloc_n ((1), sizeof (MetaDrawOpList)) ); | |||
4471 | ||||
4472 | op_list->refcount = 1; | |||
4473 | op_list->n_allocated = n_preallocs; | |||
4474 | op_list->ops = g_new (MetaDrawOp*, op_list->n_allocated)((MetaDrawOp* *) g_malloc_n ((op_list->n_allocated), sizeof (MetaDrawOp*))); | |||
4475 | op_list->n_ops = 0; | |||
4476 | ||||
4477 | return op_list; | |||
4478 | } | |||
4479 | ||||
4480 | void | |||
4481 | meta_draw_op_list_ref (MetaDrawOpList *op_list) | |||
4482 | { | |||
4483 | g_return_if_fail (op_list != NULL)do { if ((op_list != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "op_list != NULL"); return ; } } while (0); | |||
4484 | ||||
4485 | op_list->refcount += 1; | |||
4486 | } | |||
4487 | ||||
4488 | void | |||
4489 | meta_draw_op_list_unref (MetaDrawOpList *op_list) | |||
4490 | { | |||
4491 | g_return_if_fail (op_list != NULL)do { if ((op_list != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "op_list != NULL"); return ; } } while (0); | |||
4492 | g_return_if_fail (op_list->refcount > 0)do { if ((op_list->refcount > 0)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "op_list->refcount > 0" ); return; } } while (0); | |||
4493 | ||||
4494 | op_list->refcount -= 1; | |||
4495 | ||||
4496 | if (op_list->refcount == 0) | |||
4497 | { | |||
4498 | int i; | |||
4499 | ||||
4500 | for (i = 0; i < op_list->n_ops; i++) | |||
4501 | meta_draw_op_free (op_list->ops[i]); | |||
4502 | ||||
4503 | g_free (op_list->ops); | |||
4504 | ||||
4505 | DEBUG_FILL_STRUCT (op_list)memset ((op_list), 0xef, sizeof (*(op_list))); | |||
4506 | g_free (op_list); | |||
4507 | } | |||
4508 | } | |||
4509 | ||||
4510 | void | |||
4511 | meta_draw_op_list_draw_with_style (const MetaDrawOpList *op_list, | |||
4512 | CtkStyleContext *style_ctk, | |||
4513 | cairo_t *cr, | |||
4514 | const MetaDrawInfo *info, | |||
4515 | MetaRectangle rect) | |||
4516 | { | |||
4517 | /* BOOKMARK */ | |||
4518 | ||||
4519 | int i; | |||
4520 | MetaPositionExprEnv env; | |||
4521 | ||||
4522 | if (op_list->n_ops == 0) | |||
4523 | return; | |||
4524 | ||||
4525 | fill_env (&env, info, rect); | |||
4526 | ||||
4527 | /* FIXME this can be optimized, potentially a lot, by | |||
4528 | * compressing multiple ops when possible. For example, | |||
4529 | * anything convertible to a pixbuf can be composited | |||
4530 | * client-side, and putting a color tint over a pixbuf | |||
4531 | * can be done without creating the solid-color pixbuf. | |||
4532 | * | |||
4533 | * To implement this my plan is to have the idea of a | |||
4534 | * compiled draw op (with the string expressions already | |||
4535 | * evaluated), we make an array of those, and then fold | |||
4536 | * adjacent items when possible. | |||
4537 | */ | |||
4538 | ||||
4539 | cairo_save (cr); | |||
4540 | ||||
4541 | for (i = 0; i < op_list->n_ops; i++) | |||
4542 | { | |||
4543 | MetaDrawOp *op = op_list->ops[i]; | |||
4544 | ||||
4545 | if (op->type == META_DRAW_CLIP) | |||
4546 | { | |||
4547 | cairo_restore (cr); | |||
4548 | ||||
4549 | cairo_rectangle (cr, | |||
4550 | parse_x_position_unchecked (op->data.clip.x, &env), | |||
4551 | parse_y_position_unchecked (op->data.clip.y, &env), | |||
4552 | parse_size_unchecked (op->data.clip.width, &env), | |||
4553 | parse_size_unchecked (op->data.clip.height, &env)); | |||
4554 | cairo_clip (cr); | |||
4555 | ||||
4556 | cairo_save (cr); | |||
4557 | } | |||
4558 | else if (cdk_cairo_get_clip_rectangle (cr, NULL((void*)0))) | |||
4559 | { | |||
4560 | meta_draw_op_draw_with_env (op, style_ctk, cr, info, rect, &env); | |||
4561 | } | |||
4562 | } | |||
4563 | ||||
4564 | cairo_restore (cr); | |||
4565 | } | |||
4566 | ||||
4567 | void | |||
4568 | meta_draw_op_list_draw (const MetaDrawOpList *op_list, | |||
4569 | CtkWidget *widget, | |||
4570 | cairo_t *cr, | |||
4571 | const MetaDrawInfo *info, | |||
4572 | MetaRectangle rect) | |||
4573 | ||||
4574 | { | |||
4575 | meta_draw_op_list_draw_with_style (op_list, | |||
4576 | ctk_widget_get_style_context (widget), | |||
4577 | cr, | |||
4578 | info, rect); | |||
4579 | } | |||
4580 | ||||
4581 | void | |||
4582 | meta_draw_op_list_append (MetaDrawOpList *op_list, | |||
4583 | MetaDrawOp *op) | |||
4584 | { | |||
4585 | if (op_list->n_ops == op_list->n_allocated) | |||
4586 | { | |||
4587 | op_list->n_allocated *= 2; | |||
4588 | op_list->ops = g_renew (MetaDrawOp*, op_list->ops, op_list->n_allocated)((MetaDrawOp* *) g_realloc_n (op_list->ops, (op_list->n_allocated ), sizeof (MetaDrawOp*))); | |||
4589 | } | |||
4590 | ||||
4591 | op_list->ops[op_list->n_ops] = op; | |||
4592 | op_list->n_ops += 1; | |||
4593 | } | |||
4594 | ||||
4595 | gboolean | |||
4596 | meta_draw_op_list_validate (MetaDrawOpList *op_list, | |||
4597 | GError **error) | |||
4598 | { | |||
4599 | g_return_val_if_fail (op_list != NULL, FALSE)do { if ((op_list != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "op_list != NULL"); return ((0)); } } while (0); | |||
4600 | ||||
4601 | /* empty lists are OK, nothing else to check really */ | |||
4602 | ||||
4603 | return TRUE(!(0)); | |||
4604 | } | |||
4605 | ||||
4606 | /* This is not done in validate, since we wouldn't know the name | |||
4607 | * of the list to report the error. It might be nice to | |||
4608 | * store names inside the list sometime. | |||
4609 | */ | |||
4610 | gboolean | |||
4611 | meta_draw_op_list_contains (MetaDrawOpList *op_list, | |||
4612 | MetaDrawOpList *child) | |||
4613 | { | |||
4614 | int i; | |||
4615 | ||||
4616 | /* mmm, huge tree recursion */ | |||
4617 | ||||
4618 | for (i = 0; i < op_list->n_ops; i++) | |||
4619 | { | |||
4620 | if (op_list->ops[i]->type == META_DRAW_OP_LIST) | |||
4621 | { | |||
4622 | if (op_list->ops[i]->data.op_list.op_list == child) | |||
4623 | return TRUE(!(0)); | |||
4624 | ||||
4625 | if (meta_draw_op_list_contains (op_list->ops[i]->data.op_list.op_list, | |||
4626 | child)) | |||
4627 | return TRUE(!(0)); | |||
4628 | } | |||
4629 | else if (op_list->ops[i]->type == META_DRAW_TILE) | |||
4630 | { | |||
4631 | if (op_list->ops[i]->data.tile.op_list == child) | |||
4632 | return TRUE(!(0)); | |||
4633 | ||||
4634 | if (meta_draw_op_list_contains (op_list->ops[i]->data.tile.op_list, | |||
4635 | child)) | |||
4636 | return TRUE(!(0)); | |||
4637 | } | |||
4638 | } | |||
4639 | ||||
4640 | return FALSE(0); | |||
4641 | } | |||
4642 | ||||
4643 | /** | |||
4644 | * Constructor for a MetaFrameStyle. | |||
4645 | * | |||
4646 | * \param parent The parent style. Data not filled in here will be | |||
4647 | * looked for in the parent style, and in its parent | |||
4648 | * style, and so on. | |||
4649 | * | |||
4650 | * \return The newly-constructed style. | |||
4651 | */ | |||
4652 | MetaFrameStyle* | |||
4653 | meta_frame_style_new (MetaFrameStyle *parent) | |||
4654 | { | |||
4655 | MetaFrameStyle *style; | |||
4656 | ||||
4657 | style = g_new0 (MetaFrameStyle, 1)((MetaFrameStyle *) g_malloc0_n ((1), sizeof (MetaFrameStyle) )); | |||
4658 | ||||
4659 | style->refcount = 1; | |||
4660 | ||||
4661 | /* Default alpha is fully opaque */ | |||
4662 | style->window_background_alpha = 255; | |||
4663 | ||||
4664 | style->parent = parent; | |||
4665 | if (parent) | |||
4666 | meta_frame_style_ref (parent); | |||
4667 | ||||
4668 | return style; | |||
4669 | } | |||
4670 | ||||
4671 | /** | |||
4672 | * Increases the reference count of a frame style. | |||
4673 | * If the style is NULL, this is a no-op. | |||
4674 | * | |||
4675 | * \param style The style. | |||
4676 | */ | |||
4677 | void | |||
4678 | meta_frame_style_ref (MetaFrameStyle *style) | |||
4679 | { | |||
4680 | g_return_if_fail (style != NULL)do { if ((style != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style != NULL"); return ; } } while (0); | |||
4681 | ||||
4682 | style->refcount += 1; | |||
4683 | } | |||
4684 | ||||
4685 | static void | |||
4686 | free_button_ops (MetaDrawOpList *op_lists[META_BUTTON_TYPE_LAST][META_BUTTON_STATE_LAST]) | |||
4687 | { | |||
4688 | int i, j; | |||
4689 | ||||
4690 | for (i = 0; i < META_BUTTON_TYPE_LAST; i++) | |||
4691 | for (j = 0; j < META_BUTTON_STATE_LAST; j++) | |||
4692 | if (op_lists[i][j]) | |||
4693 | meta_draw_op_list_unref (op_lists[i][j]); | |||
4694 | } | |||
4695 | ||||
4696 | void | |||
4697 | meta_frame_style_unref (MetaFrameStyle *style) | |||
4698 | { | |||
4699 | g_return_if_fail (style != NULL)do { if ((style != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style != NULL"); return ; } } while (0); | |||
4700 | g_return_if_fail (style->refcount > 0)do { if ((style->refcount > 0)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style->refcount > 0" ); return; } } while (0); | |||
4701 | ||||
4702 | style->refcount -= 1; | |||
4703 | ||||
4704 | if (style->refcount == 0) | |||
4705 | { | |||
4706 | int i; | |||
4707 | ||||
4708 | free_button_ops (style->buttons); | |||
4709 | ||||
4710 | for (i = 0; i < META_FRAME_PIECE_LAST; i++) | |||
4711 | if (style->pieces[i]) | |||
4712 | meta_draw_op_list_unref (style->pieces[i]); | |||
4713 | ||||
4714 | if (style->layout) | |||
4715 | meta_frame_layout_unref (style->layout); | |||
4716 | ||||
4717 | if (style->window_background_color) | |||
4718 | meta_color_spec_free (style->window_background_color); | |||
4719 | ||||
4720 | /* we hold a reference to any parent style */ | |||
4721 | if (style->parent) | |||
4722 | meta_frame_style_unref (style->parent); | |||
4723 | ||||
4724 | DEBUG_FILL_STRUCT (style)memset ((style), 0xef, sizeof (*(style))); | |||
4725 | g_free (style); | |||
4726 | } | |||
4727 | } | |||
4728 | ||||
4729 | static MetaButtonState | |||
4730 | map_button_state (MetaButtonType button_type, | |||
4731 | const MetaFrameGeometry *fgeom, | |||
4732 | int middle_bg_offset, | |||
4733 | MetaButtonState button_states[META_BUTTON_TYPE_LAST]) | |||
4734 | { | |||
4735 | MetaButtonFunction function = META_BUTTON_FUNCTION_LAST; | |||
4736 | ||||
4737 | switch (button_type) | |||
4738 | { | |||
4739 | /* First handle functions, which map directly */ | |||
4740 | case META_BUTTON_TYPE_SHADE: | |||
4741 | case META_BUTTON_TYPE_ABOVE: | |||
4742 | case META_BUTTON_TYPE_STICK: | |||
4743 | case META_BUTTON_TYPE_UNSHADE: | |||
4744 | case META_BUTTON_TYPE_UNABOVE: | |||
4745 | case META_BUTTON_TYPE_UNSTICK: | |||
4746 | case META_BUTTON_TYPE_MENU: | |||
4747 | case META_BUTTON_TYPE_APPMENU: | |||
4748 | case META_BUTTON_TYPE_MINIMIZE: | |||
4749 | case META_BUTTON_TYPE_MAXIMIZE: | |||
4750 | case META_BUTTON_TYPE_CLOSE: | |||
4751 | return button_states[button_type]; | |||
4752 | ||||
4753 | /* Map position buttons to the corresponding function */ | |||
4754 | case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: | |||
4755 | case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: | |||
4756 | if (fgeom->n_right_buttons > 0) | |||
4757 | function = fgeom->button_layout.right_buttons[0]; | |||
4758 | break; | |||
4759 | case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: | |||
4760 | if (fgeom->n_right_buttons > 0) | |||
4761 | function = fgeom->button_layout.right_buttons[fgeom->n_right_buttons - 1]; | |||
4762 | break; | |||
4763 | case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: | |||
4764 | if (middle_bg_offset + 1 < fgeom->n_right_buttons) | |||
4765 | function = fgeom->button_layout.right_buttons[middle_bg_offset + 1]; | |||
4766 | break; | |||
4767 | case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: | |||
4768 | case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: | |||
4769 | if (fgeom->n_left_buttons > 0) | |||
4770 | function = fgeom->button_layout.left_buttons[0]; | |||
4771 | break; | |||
4772 | case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: | |||
4773 | if (fgeom->n_left_buttons > 0) | |||
4774 | function = fgeom->button_layout.left_buttons[fgeom->n_left_buttons - 1]; | |||
4775 | break; | |||
4776 | case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: | |||
4777 | if (middle_bg_offset + 1 < fgeom->n_left_buttons) | |||
4778 | function = fgeom->button_layout.left_buttons[middle_bg_offset + 1]; | |||
4779 | break; | |||
4780 | case META_BUTTON_TYPE_LAST: | |||
4781 | break; | |||
4782 | } | |||
4783 | ||||
4784 | if (function != META_BUTTON_FUNCTION_LAST) | |||
4785 | return button_states[map_button_function_to_type (function)]; | |||
4786 | ||||
4787 | return META_BUTTON_STATE_LAST; | |||
4788 | } | |||
4789 | ||||
4790 | static MetaDrawOpList* | |||
4791 | get_button (MetaFrameStyle *style, | |||
4792 | MetaButtonType type, | |||
4793 | MetaButtonState state) | |||
4794 | { | |||
4795 | MetaDrawOpList *op_list; | |||
4796 | MetaFrameStyle *parent; | |||
4797 | ||||
4798 | parent = style; | |||
4799 | op_list = NULL((void*)0); | |||
4800 | while (parent && op_list == NULL((void*)0)) | |||
4801 | { | |||
4802 | op_list = parent->buttons[type][state]; | |||
4803 | parent = parent->parent; | |||
4804 | } | |||
4805 | ||||
4806 | /* We fall back to the side buttons if we don't have | |||
4807 | * single button backgrounds, and to middle button | |||
4808 | * backgrounds if we don't have the ones on the sides | |||
4809 | */ | |||
4810 | ||||
4811 | if (op_list == NULL((void*)0) && | |||
4812 | type == META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND) | |||
4813 | return get_button (style, META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND, state); | |||
4814 | ||||
4815 | if (op_list == NULL((void*)0) && | |||
4816 | type == META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND) | |||
4817 | return get_button (style, META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND, state); | |||
4818 | ||||
4819 | if (op_list == NULL((void*)0) && | |||
4820 | (type == META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND || | |||
4821 | type == META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND)) | |||
4822 | return get_button (style, META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND, | |||
4823 | state); | |||
4824 | ||||
4825 | if (op_list == NULL((void*)0) && | |||
4826 | (type == META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND || | |||
4827 | type == META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND)) | |||
4828 | return get_button (style, META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND, | |||
4829 | state); | |||
4830 | ||||
4831 | /* We fall back to normal if no prelight */ | |||
4832 | if (op_list == NULL((void*)0) && | |||
4833 | state == META_BUTTON_STATE_PRELIGHT) | |||
4834 | return get_button (style, type, META_BUTTON_STATE_NORMAL); | |||
4835 | ||||
4836 | return op_list; | |||
4837 | } | |||
4838 | ||||
4839 | gboolean | |||
4840 | meta_frame_style_validate (MetaFrameStyle *style, | |||
4841 | guint current_theme_version, | |||
4842 | GError **error) | |||
4843 | { | |||
4844 | int i, j; | |||
4845 | ||||
4846 | g_return_val_if_fail (style != NULL, FALSE)do { if ((style != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style != NULL"); return ((0)); } } while (0); | |||
4847 | g_return_val_if_fail (style->layout != NULL, FALSE)do { if ((style->layout != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style->layout != NULL" ); return ((0)); } } while (0); | |||
4848 | ||||
4849 | for (i = 0; i < META_BUTTON_TYPE_LAST; i++) | |||
4850 | { | |||
4851 | /* for now the "positional" buttons are optional */ | |||
4852 | if (i >= META_BUTTON_TYPE_CLOSE) | |||
4853 | { | |||
4854 | for (j = 0; j < META_BUTTON_STATE_LAST; j++) | |||
4855 | { | |||
4856 | if (get_button (style, i, j) == NULL((void*)0) && | |||
4857 | meta_theme_earliest_version_with_button (i) <= current_theme_version | |||
4858 | ) | |||
4859 | { | |||
4860 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
4861 | META_THEME_ERROR_FAILED, | |||
4862 | _("<button function=\"%s\" state=\"%s\" draw_ops=\"whatever\"/> must be specified for this frame style")dgettext ("croma", "<button function=\"%s\" state=\"%s\" draw_ops=\"whatever\"/> must be specified for this frame style" ), | |||
4863 | meta_button_type_to_string (i), | |||
4864 | meta_button_state_to_string (j)); | |||
4865 | return FALSE(0); | |||
4866 | } | |||
4867 | } | |||
4868 | } | |||
4869 | } | |||
4870 | ||||
4871 | return TRUE(!(0)); | |||
4872 | } | |||
4873 | ||||
4874 | static void | |||
4875 | get_button_rect (MetaButtonType type, | |||
4876 | const MetaFrameGeometry *fgeom, | |||
4877 | int middle_background_offset, | |||
4878 | CdkRectangle *rect) | |||
4879 | { | |||
4880 | switch (type) | |||
4881 | { | |||
4882 | case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: | |||
4883 | *rect = fgeom->left_left_background; | |||
4884 | break; | |||
4885 | ||||
4886 | case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: | |||
4887 | *rect = fgeom->left_middle_backgrounds[middle_background_offset]; | |||
4888 | break; | |||
4889 | ||||
4890 | case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: | |||
4891 | *rect = fgeom->left_right_background; | |||
4892 | break; | |||
4893 | ||||
4894 | case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: | |||
4895 | *rect = fgeom->left_single_background; | |||
4896 | break; | |||
4897 | ||||
4898 | case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: | |||
4899 | *rect = fgeom->right_left_background; | |||
4900 | break; | |||
4901 | ||||
4902 | case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: | |||
4903 | *rect = fgeom->right_middle_backgrounds[middle_background_offset]; | |||
4904 | break; | |||
4905 | ||||
4906 | case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: | |||
4907 | *rect = fgeom->right_right_background; | |||
4908 | break; | |||
4909 | ||||
4910 | case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: | |||
4911 | *rect = fgeom->right_single_background; | |||
4912 | break; | |||
4913 | ||||
4914 | case META_BUTTON_TYPE_CLOSE: | |||
4915 | *rect = fgeom->close_rect.visible; | |||
4916 | break; | |||
4917 | ||||
4918 | case META_BUTTON_TYPE_SHADE: | |||
4919 | *rect = fgeom->shade_rect.visible; | |||
4920 | break; | |||
4921 | ||||
4922 | case META_BUTTON_TYPE_UNSHADE: | |||
4923 | *rect = fgeom->unshade_rect.visible; | |||
4924 | break; | |||
4925 | ||||
4926 | case META_BUTTON_TYPE_ABOVE: | |||
4927 | *rect = fgeom->above_rect.visible; | |||
4928 | break; | |||
4929 | ||||
4930 | case META_BUTTON_TYPE_UNABOVE: | |||
4931 | *rect = fgeom->unabove_rect.visible; | |||
4932 | break; | |||
4933 | ||||
4934 | case META_BUTTON_TYPE_STICK: | |||
4935 | *rect = fgeom->stick_rect.visible; | |||
4936 | break; | |||
4937 | ||||
4938 | case META_BUTTON_TYPE_UNSTICK: | |||
4939 | *rect = fgeom->unstick_rect.visible; | |||
4940 | break; | |||
4941 | ||||
4942 | case META_BUTTON_TYPE_MAXIMIZE: | |||
4943 | *rect = fgeom->max_rect.visible; | |||
4944 | break; | |||
4945 | ||||
4946 | case META_BUTTON_TYPE_MINIMIZE: | |||
4947 | *rect = fgeom->min_rect.visible; | |||
4948 | break; | |||
4949 | ||||
4950 | case META_BUTTON_TYPE_MENU: | |||
4951 | *rect = fgeom->menu_rect.visible; | |||
4952 | break; | |||
4953 | ||||
4954 | case META_BUTTON_TYPE_APPMENU: | |||
4955 | *rect = fgeom->appmenu_rect.visible; | |||
4956 | break; | |||
4957 | ||||
4958 | case META_BUTTON_TYPE_LAST: | |||
4959 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 4959, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
4960 | break; | |||
4961 | } | |||
4962 | } | |||
4963 | ||||
4964 | void | |||
4965 | meta_frame_style_draw_with_style (MetaFrameStyle *style, | |||
4966 | CtkStyleContext *style_ctk, | |||
4967 | cairo_t *cr, | |||
4968 | const MetaFrameGeometry *fgeom, | |||
4969 | int client_width, | |||
4970 | int client_height, | |||
4971 | PangoLayout *title_layout, | |||
4972 | int text_height, | |||
4973 | MetaButtonState button_states[META_BUTTON_TYPE_LAST], | |||
4974 | GdkPixbuf *mini_icon, | |||
4975 | GdkPixbuf *icon) | |||
4976 | { | |||
4977 | /* BOOKMARK */ | |||
4978 | int i, j; | |||
4979 | CdkRectangle visible_rect; | |||
4980 | CdkRectangle titlebar_rect; | |||
4981 | CdkRectangle left_titlebar_edge; | |||
4982 | CdkRectangle right_titlebar_edge; | |||
4983 | CdkRectangle bottom_titlebar_edge; | |||
4984 | CdkRectangle top_titlebar_edge; | |||
4985 | CdkRectangle left_edge, right_edge, bottom_edge; | |||
4986 | PangoRectangle extents; | |||
4987 | MetaDrawInfo draw_info; | |||
4988 | const MetaFrameBorders *borders; | |||
4989 | ||||
4990 | borders = &fgeom->borders; | |||
4991 | ||||
4992 | visible_rect.x = borders->invisible.left; | |||
4993 | visible_rect.y = borders->invisible.top; | |||
4994 | visible_rect.width = fgeom->width - borders->invisible.left - borders->invisible.right; | |||
4995 | visible_rect.height = fgeom->height - borders->invisible.top - borders->invisible.bottom; | |||
4996 | ||||
4997 | titlebar_rect.x = visible_rect.x; | |||
4998 | titlebar_rect.y = visible_rect.y; | |||
4999 | titlebar_rect.width = visible_rect.width; | |||
5000 | titlebar_rect.height = borders->visible.top; | |||
5001 | ||||
5002 | left_titlebar_edge.x = titlebar_rect.x; | |||
5003 | left_titlebar_edge.y = titlebar_rect.y + fgeom->top_titlebar_edge; | |||
5004 | left_titlebar_edge.width = fgeom->left_titlebar_edge; | |||
5005 | left_titlebar_edge.height = titlebar_rect.height - fgeom->top_titlebar_edge - fgeom->bottom_titlebar_edge; | |||
5006 | ||||
5007 | right_titlebar_edge.y = left_titlebar_edge.y; | |||
5008 | right_titlebar_edge.height = left_titlebar_edge.height; | |||
5009 | right_titlebar_edge.width = fgeom->right_titlebar_edge; | |||
5010 | right_titlebar_edge.x = titlebar_rect.x + titlebar_rect.width - right_titlebar_edge.width; | |||
5011 | ||||
5012 | top_titlebar_edge.x = titlebar_rect.x; | |||
5013 | top_titlebar_edge.y = titlebar_rect.y; | |||
5014 | top_titlebar_edge.width = titlebar_rect.width; | |||
5015 | top_titlebar_edge.height = fgeom->top_titlebar_edge; | |||
5016 | ||||
5017 | bottom_titlebar_edge.x = titlebar_rect.x; | |||
5018 | bottom_titlebar_edge.width = titlebar_rect.width; | |||
5019 | bottom_titlebar_edge.height = fgeom->bottom_titlebar_edge; | |||
5020 | bottom_titlebar_edge.y = titlebar_rect.y + titlebar_rect.height - bottom_titlebar_edge.height; | |||
5021 | ||||
5022 | left_edge.x = visible_rect.x; | |||
5023 | left_edge.y = visible_rect.y + borders->visible.top; | |||
5024 | left_edge.width = borders->visible.left; | |||
5025 | left_edge.height = visible_rect.height - borders->visible.top - borders->visible.bottom; | |||
5026 | ||||
5027 | right_edge.x = visible_rect.x + visible_rect.width - borders->visible.right; | |||
5028 | right_edge.y = visible_rect.y + borders->visible.top; | |||
5029 | right_edge.width = borders->visible.right; | |||
5030 | right_edge.height = visible_rect.height - borders->visible.top - borders->visible.bottom; | |||
5031 | ||||
5032 | bottom_edge.x = visible_rect.x; | |||
5033 | bottom_edge.y = visible_rect.y + visible_rect.height - borders->visible.bottom; | |||
5034 | bottom_edge.width = visible_rect.width; | |||
5035 | bottom_edge.height = borders->visible.bottom; | |||
5036 | ||||
5037 | if (title_layout) | |||
5038 | pango_layout_get_pixel_extents (title_layout, | |||
5039 | NULL((void*)0), &extents); | |||
5040 | ||||
5041 | draw_info.mini_icon = mini_icon; | |||
5042 | draw_info.icon = icon; | |||
5043 | draw_info.title_layout = title_layout; | |||
5044 | draw_info.title_layout_width = title_layout ? extents.width : 0; | |||
5045 | draw_info.title_layout_height = title_layout ? extents.height : 0; | |||
5046 | draw_info.fgeom = fgeom; | |||
5047 | ||||
5048 | /* The enum is in the order the pieces should be rendered. */ | |||
5049 | i = 0; | |||
5050 | while (i < META_FRAME_PIECE_LAST) | |||
5051 | { | |||
5052 | CdkRectangle rect; | |||
5053 | ||||
5054 | switch ((MetaFramePiece) i) | |||
5055 | { | |||
5056 | case META_FRAME_PIECE_ENTIRE_BACKGROUND: | |||
5057 | rect = visible_rect; | |||
5058 | break; | |||
5059 | ||||
5060 | case META_FRAME_PIECE_TITLEBAR: | |||
5061 | rect = titlebar_rect; | |||
5062 | break; | |||
5063 | ||||
5064 | case META_FRAME_PIECE_LEFT_TITLEBAR_EDGE: | |||
5065 | rect = left_titlebar_edge; | |||
5066 | break; | |||
5067 | ||||
5068 | case META_FRAME_PIECE_RIGHT_TITLEBAR_EDGE: | |||
5069 | rect = right_titlebar_edge; | |||
5070 | break; | |||
5071 | ||||
5072 | case META_FRAME_PIECE_TOP_TITLEBAR_EDGE: | |||
5073 | rect = top_titlebar_edge; | |||
5074 | break; | |||
5075 | ||||
5076 | case META_FRAME_PIECE_BOTTOM_TITLEBAR_EDGE: | |||
5077 | rect = bottom_titlebar_edge; | |||
5078 | break; | |||
5079 | ||||
5080 | case META_FRAME_PIECE_TITLEBAR_MIDDLE: | |||
5081 | rect.x = left_titlebar_edge.x + left_titlebar_edge.width; | |||
5082 | rect.y = top_titlebar_edge.y + top_titlebar_edge.height; | |||
5083 | rect.width = titlebar_rect.width - left_titlebar_edge.width - | |||
5084 | right_titlebar_edge.width; | |||
5085 | rect.height = titlebar_rect.height - top_titlebar_edge.height - bottom_titlebar_edge.height; | |||
5086 | break; | |||
5087 | ||||
5088 | case META_FRAME_PIECE_TITLE: | |||
5089 | rect = fgeom->title_rect; | |||
5090 | break; | |||
5091 | ||||
5092 | case META_FRAME_PIECE_LEFT_EDGE: | |||
5093 | rect = left_edge; | |||
5094 | break; | |||
5095 | ||||
5096 | case META_FRAME_PIECE_RIGHT_EDGE: | |||
5097 | rect = right_edge; | |||
5098 | break; | |||
5099 | ||||
5100 | case META_FRAME_PIECE_BOTTOM_EDGE: | |||
5101 | rect = bottom_edge; | |||
5102 | break; | |||
5103 | ||||
5104 | case META_FRAME_PIECE_OVERLAY: | |||
5105 | rect = visible_rect; | |||
5106 | break; | |||
5107 | ||||
5108 | case META_FRAME_PIECE_LAST: | |||
5109 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 5109, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
5110 | break; | |||
5111 | } | |||
5112 | ||||
5113 | cairo_save (cr); | |||
5114 | ||||
5115 | cdk_cairo_rectangle (cr, &rect); | |||
5116 | cairo_clip (cr); | |||
5117 | ||||
5118 | if (cdk_cairo_get_clip_rectangle (cr, NULL((void*)0))) | |||
5119 | { | |||
5120 | MetaDrawOpList *op_list; | |||
5121 | MetaFrameStyle *parent; | |||
5122 | ||||
5123 | parent = style; | |||
5124 | op_list = NULL((void*)0); | |||
5125 | while (parent && op_list == NULL((void*)0)) | |||
5126 | { | |||
5127 | op_list = parent->pieces[i]; | |||
5128 | parent = parent->parent; | |||
5129 | } | |||
5130 | ||||
5131 | if (op_list) | |||
5132 | { | |||
5133 | MetaRectangle m_rect; | |||
5134 | m_rect = meta_rect (rect.x, rect.y, rect.width, rect.height); | |||
5135 | meta_draw_op_list_draw_with_style (op_list, | |||
5136 | style_ctk, | |||
5137 | cr, | |||
5138 | &draw_info, | |||
5139 | m_rect); | |||
5140 | } | |||
5141 | } | |||
5142 | ||||
5143 | cairo_restore (cr); | |||
5144 | ||||
5145 | /* Draw buttons just before overlay */ | |||
5146 | if ((i + 1) == META_FRAME_PIECE_OVERLAY) | |||
5147 | { | |||
5148 | int middle_bg_offset; | |||
5149 | ||||
5150 | middle_bg_offset = 0; | |||
5151 | j = 0; | |||
5152 | while (j < META_BUTTON_TYPE_LAST) | |||
5153 | { | |||
5154 | MetaDrawOpList *op_list; | |||
5155 | MetaButtonState button_state; | |||
5156 | ||||
5157 | get_button_rect (j, fgeom, middle_bg_offset, &rect); | |||
5158 | ||||
5159 | button_state = map_button_state (j, fgeom, middle_bg_offset, button_states); | |||
5160 | op_list = get_button (style, j, button_state); | |||
5161 | ||||
5162 | if (op_list) | |||
5163 | { | |||
5164 | cairo_save (cr); | |||
5165 | cdk_cairo_rectangle (cr, &rect); | |||
5166 | cairo_clip (cr); | |||
5167 | ||||
5168 | if (cdk_cairo_get_clip_rectangle (cr, NULL((void*)0))) | |||
5169 | { | |||
5170 | MetaRectangle m_rect; | |||
5171 | ||||
5172 | m_rect = meta_rect (rect.x, rect.y, | |||
5173 | rect.width, rect.height); | |||
5174 | ||||
5175 | meta_draw_op_list_draw_with_style (op_list, | |||
5176 | style_ctk, | |||
5177 | cr, | |||
5178 | &draw_info, | |||
5179 | m_rect); | |||
5180 | } | |||
5181 | ||||
5182 | cairo_restore (cr); | |||
5183 | } | |||
5184 | ||||
5185 | /* MIDDLE_BACKGROUND type may get drawn more than once */ | |||
5186 | if ((j == META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND || | |||
5187 | j == META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND) && | |||
5188 | middle_bg_offset < MAX_MIDDLE_BACKGROUNDS(META_BUTTON_FUNCTION_LAST - 2)) | |||
5189 | { | |||
5190 | ++middle_bg_offset; | |||
5191 | } | |||
5192 | else | |||
5193 | { | |||
5194 | middle_bg_offset = 0; | |||
5195 | ++j; | |||
5196 | } | |||
5197 | } | |||
5198 | } | |||
5199 | ||||
5200 | ++i; | |||
5201 | } | |||
5202 | } | |||
5203 | ||||
5204 | void | |||
5205 | meta_frame_style_draw (MetaFrameStyle *style, | |||
5206 | CtkWidget *widget, | |||
5207 | cairo_t *cr, | |||
5208 | const MetaFrameGeometry *fgeom, | |||
5209 | int client_width, | |||
5210 | int client_height, | |||
5211 | PangoLayout *title_layout, | |||
5212 | int text_height, | |||
5213 | MetaButtonState button_states[META_BUTTON_TYPE_LAST], | |||
5214 | GdkPixbuf *mini_icon, | |||
5215 | GdkPixbuf *icon) | |||
5216 | { | |||
5217 | meta_frame_style_draw_with_style (style, | |||
5218 | ctk_widget_get_style_context (widget), | |||
5219 | cr, | |||
5220 | fgeom, client_width, client_height, | |||
5221 | title_layout, text_height, | |||
5222 | button_states, mini_icon, icon); | |||
5223 | } | |||
5224 | ||||
5225 | MetaFrameStyleSet* | |||
5226 | meta_frame_style_set_new (MetaFrameStyleSet *parent) | |||
5227 | { | |||
5228 | MetaFrameStyleSet *style_set; | |||
5229 | ||||
5230 | style_set = g_new0 (MetaFrameStyleSet, 1)((MetaFrameStyleSet *) g_malloc0_n ((1), sizeof (MetaFrameStyleSet ))); | |||
5231 | ||||
5232 | style_set->parent = parent; | |||
5233 | if (parent) | |||
5234 | meta_frame_style_set_ref (parent); | |||
5235 | ||||
5236 | style_set->refcount = 1; | |||
5237 | ||||
5238 | return style_set; | |||
5239 | } | |||
5240 | ||||
5241 | static void | |||
5242 | free_focus_styles (MetaFrameStyle *focus_styles[META_FRAME_FOCUS_LAST]) | |||
5243 | { | |||
5244 | int i; | |||
5245 | ||||
5246 | for (i = 0; i < META_FRAME_FOCUS_LAST; i++) | |||
5247 | if (focus_styles[i]) | |||
5248 | meta_frame_style_unref (focus_styles[i]); | |||
5249 | } | |||
5250 | ||||
5251 | void | |||
5252 | meta_frame_style_set_ref (MetaFrameStyleSet *style_set) | |||
5253 | { | |||
5254 | g_return_if_fail (style_set != NULL)do { if ((style_set != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style_set != NULL"); return ; } } while (0); | |||
5255 | ||||
5256 | style_set->refcount += 1; | |||
5257 | } | |||
5258 | ||||
5259 | void | |||
5260 | meta_frame_style_set_unref (MetaFrameStyleSet *style_set) | |||
5261 | { | |||
5262 | g_return_if_fail (style_set != NULL)do { if ((style_set != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style_set != NULL"); return ; } } while (0); | |||
5263 | g_return_if_fail (style_set->refcount > 0)do { if ((style_set->refcount > 0)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style_set->refcount > 0" ); return; } } while (0); | |||
5264 | ||||
5265 | style_set->refcount -= 1; | |||
5266 | ||||
5267 | if (style_set->refcount == 0) | |||
5268 | { | |||
5269 | int i; | |||
5270 | ||||
5271 | for (i = 0; i < META_FRAME_RESIZE_LAST; i++) | |||
5272 | { | |||
5273 | free_focus_styles (style_set->normal_styles[i]); | |||
5274 | free_focus_styles (style_set->shaded_styles[i]); | |||
5275 | } | |||
5276 | ||||
5277 | free_focus_styles (style_set->maximized_styles); | |||
5278 | free_focus_styles (style_set->tiled_left_styles); | |||
5279 | free_focus_styles (style_set->tiled_right_styles); | |||
5280 | free_focus_styles (style_set->maximized_and_shaded_styles); | |||
5281 | free_focus_styles (style_set->tiled_left_and_shaded_styles); | |||
5282 | free_focus_styles (style_set->tiled_right_and_shaded_styles); | |||
5283 | ||||
5284 | if (style_set->parent) | |||
5285 | meta_frame_style_set_unref (style_set->parent); | |||
5286 | ||||
5287 | DEBUG_FILL_STRUCT (style_set)memset ((style_set), 0xef, sizeof (*(style_set))); | |||
5288 | g_free (style_set); | |||
5289 | } | |||
5290 | } | |||
5291 | ||||
5292 | ||||
5293 | static MetaFrameStyle* | |||
5294 | get_style (MetaFrameStyleSet *style_set, | |||
5295 | MetaFrameState state, | |||
5296 | MetaFrameResize resize, | |||
5297 | MetaFrameFocus focus) | |||
5298 | { | |||
5299 | MetaFrameStyle *style; | |||
5300 | ||||
5301 | style = NULL((void*)0); | |||
5302 | ||||
5303 | switch (state) | |||
5304 | { | |||
5305 | case META_FRAME_STATE_NORMAL: | |||
5306 | case META_FRAME_STATE_SHADED: | |||
5307 | { | |||
5308 | if (state == META_FRAME_STATE_SHADED) | |||
5309 | style = style_set->shaded_styles[resize][focus]; | |||
5310 | else | |||
5311 | style = style_set->normal_styles[resize][focus]; | |||
5312 | ||||
5313 | /* Try parent if we failed here */ | |||
5314 | if (style == NULL((void*)0) && style_set->parent) | |||
5315 | style = get_style (style_set->parent, state, resize, focus); | |||
5316 | ||||
5317 | /* Allow people to omit the vert/horz/none resize modes */ | |||
5318 | if (style == NULL((void*)0) && | |||
5319 | resize != META_FRAME_RESIZE_BOTH) | |||
5320 | style = get_style (style_set, state, META_FRAME_RESIZE_BOTH, focus); | |||
5321 | } | |||
5322 | break; | |||
5323 | default: | |||
5324 | { | |||
5325 | MetaFrameStyle **styles; | |||
5326 | ||||
5327 | styles = NULL((void*)0); | |||
5328 | ||||
5329 | switch (state) | |||
5330 | { | |||
5331 | case META_FRAME_STATE_MAXIMIZED: | |||
5332 | styles = style_set->maximized_styles; | |||
5333 | break; | |||
5334 | case META_FRAME_STATE_TILED_LEFT: | |||
5335 | styles = style_set->tiled_left_styles; | |||
5336 | break; | |||
5337 | case META_FRAME_STATE_TILED_RIGHT: | |||
5338 | styles = style_set->tiled_right_styles; | |||
5339 | break; | |||
5340 | case META_FRAME_STATE_MAXIMIZED_AND_SHADED: | |||
5341 | styles = style_set->maximized_and_shaded_styles; | |||
5342 | break; | |||
5343 | case META_FRAME_STATE_TILED_LEFT_AND_SHADED: | |||
5344 | styles = style_set->tiled_left_and_shaded_styles; | |||
5345 | break; | |||
5346 | case META_FRAME_STATE_TILED_RIGHT_AND_SHADED: | |||
5347 | styles = style_set->tiled_right_and_shaded_styles; | |||
5348 | break; | |||
5349 | case META_FRAME_STATE_NORMAL: | |||
5350 | case META_FRAME_STATE_SHADED: | |||
5351 | case META_FRAME_STATE_LAST: | |||
5352 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 5352, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
5353 | break; | |||
5354 | } | |||
5355 | ||||
5356 | style = styles[focus]; | |||
5357 | ||||
5358 | /* Tiled states are optional, try falling back to non-tiled states */ | |||
5359 | if (style == NULL((void*)0)) | |||
5360 | { | |||
5361 | if (state == META_FRAME_STATE_TILED_LEFT || | |||
5362 | state == META_FRAME_STATE_TILED_RIGHT) | |||
5363 | style = get_style (style_set, META_FRAME_STATE_NORMAL, | |||
5364 | resize, focus); | |||
5365 | else if (state == META_FRAME_STATE_TILED_LEFT_AND_SHADED || | |||
5366 | state == META_FRAME_STATE_TILED_RIGHT_AND_SHADED) | |||
5367 | style = get_style (style_set, META_FRAME_STATE_SHADED, | |||
5368 | resize, focus); | |||
5369 | } | |||
5370 | ||||
5371 | /* Try parent if we failed here */ | |||
5372 | if (style == NULL((void*)0) && style_set->parent) | |||
5373 | style = get_style (style_set->parent, state, resize, focus); | |||
5374 | } | |||
5375 | } | |||
5376 | ||||
5377 | return style; | |||
5378 | } | |||
5379 | ||||
5380 | static gboolean | |||
5381 | check_state (MetaFrameStyleSet *style_set, | |||
5382 | MetaFrameState state, | |||
5383 | GError **error) | |||
5384 | { | |||
5385 | int i; | |||
5386 | ||||
5387 | for (i = 0; i < META_FRAME_FOCUS_LAST; i++) | |||
5388 | { | |||
5389 | if (get_style (style_set, state, | |||
5390 | META_FRAME_RESIZE_NONE, i) == NULL((void*)0)) | |||
5391 | { | |||
5392 | /* Translators: This error occurs when a <frame> tag is missing | |||
5393 | * in theme XML. The "<frame ...>" is intended as a noun phrase, | |||
5394 | * and the "missing" qualifies it. You should translate "whatever". | |||
5395 | */ | |||
5396 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
5397 | META_THEME_ERROR_FAILED, | |||
5398 | _("Missing <frame state=\"%s\" resize=\"%s\" focus=\"%s\" style=\"whatever\"/>")dgettext ("croma", "Missing <frame state=\"%s\" resize=\"%s\" focus=\"%s\" style=\"whatever\"/>" ), | |||
5399 | meta_frame_state_to_string (state), | |||
5400 | meta_frame_resize_to_string (META_FRAME_RESIZE_NONE), | |||
5401 | meta_frame_focus_to_string (i)); | |||
5402 | return FALSE(0); | |||
5403 | } | |||
5404 | } | |||
5405 | ||||
5406 | return TRUE(!(0)); | |||
5407 | } | |||
5408 | ||||
5409 | gboolean | |||
5410 | meta_frame_style_set_validate (MetaFrameStyleSet *style_set, | |||
5411 | GError **error) | |||
5412 | { | |||
5413 | int i, j; | |||
5414 | ||||
5415 | g_return_val_if_fail (style_set != NULL, FALSE)do { if ((style_set != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "style_set != NULL"); return ((0)); } } while (0); | |||
5416 | ||||
5417 | for (i = 0; i < META_FRAME_RESIZE_LAST; i++) | |||
5418 | for (j = 0; j < META_FRAME_FOCUS_LAST; j++) | |||
5419 | if (get_style (style_set, META_FRAME_STATE_NORMAL, i, j) == NULL((void*)0)) | |||
5420 | { | |||
5421 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), | |||
5422 | META_THEME_ERROR_FAILED, | |||
5423 | _("Missing <frame state=\"%s\" resize=\"%s\" focus=\"%s\" style=\"whatever\"/>")dgettext ("croma", "Missing <frame state=\"%s\" resize=\"%s\" focus=\"%s\" style=\"whatever\"/>" ), | |||
5424 | meta_frame_state_to_string (META_FRAME_STATE_NORMAL), | |||
5425 | meta_frame_resize_to_string (i), | |||
5426 | meta_frame_focus_to_string (j)); | |||
5427 | return FALSE(0); | |||
5428 | } | |||
5429 | ||||
5430 | if (!check_state (style_set, META_FRAME_STATE_SHADED, error)) | |||
5431 | return FALSE(0); | |||
5432 | ||||
5433 | if (!check_state (style_set, META_FRAME_STATE_MAXIMIZED, error)) | |||
5434 | return FALSE(0); | |||
5435 | ||||
5436 | if (!check_state (style_set, META_FRAME_STATE_MAXIMIZED_AND_SHADED, error)) | |||
5437 | return FALSE(0); | |||
5438 | ||||
5439 | return TRUE(!(0)); | |||
5440 | } | |||
5441 | ||||
5442 | MetaTheme* | |||
5443 | meta_theme_get_current (void) | |||
5444 | { | |||
5445 | return meta_current_theme; | |||
5446 | } | |||
5447 | ||||
5448 | void | |||
5449 | meta_theme_set_current (const char *name, | |||
5450 | gboolean force_reload) | |||
5451 | { | |||
5452 | MetaTheme *new_theme; | |||
5453 | GError *err; | |||
5454 | ||||
5455 | meta_topicmeta_topic_real (META_DEBUG_THEMES, "Setting current theme to \"%s\"\n", name); | |||
5456 | ||||
5457 | if (!force_reload && | |||
5458 | meta_current_theme && | |||
5459 | strcmp (name, meta_current_theme->name) == 0) | |||
5460 | return; | |||
5461 | ||||
5462 | err = NULL((void*)0); | |||
5463 | new_theme = meta_theme_load (name, &err); | |||
5464 | ||||
5465 | if (new_theme == NULL((void*)0)) | |||
5466 | { | |||
5467 | meta_warning (_("Failed to load theme \"%s\": %s\n")dgettext ("croma", "Failed to load theme \"%s\": %s\n"), | |||
5468 | name, err->message); | |||
5469 | g_error_free (err); | |||
5470 | } | |||
5471 | else | |||
5472 | { | |||
5473 | if (meta_current_theme) | |||
5474 | meta_theme_free (meta_current_theme); | |||
5475 | ||||
5476 | meta_current_theme = new_theme; | |||
5477 | ||||
5478 | meta_topicmeta_topic_real (META_DEBUG_THEMES, "New theme is \"%s\"\n", meta_current_theme->name); | |||
5479 | } | |||
5480 | } | |||
5481 | ||||
5482 | MetaTheme* | |||
5483 | meta_theme_new (void) | |||
5484 | { | |||
5485 | MetaTheme *theme; | |||
5486 | ||||
5487 | theme = g_new0 (MetaTheme, 1)((MetaTheme *) g_malloc0_n ((1), sizeof (MetaTheme))); | |||
5488 | ||||
5489 | theme->images_by_filename = | |||
5490 | g_hash_table_new_full (g_str_hash, | |||
5491 | g_str_equal, | |||
5492 | g_free, | |||
5493 | g_object_unref); | |||
5494 | ||||
5495 | theme->layouts_by_name = | |||
5496 | g_hash_table_new_full (g_str_hash, | |||
5497 | g_str_equal, | |||
5498 | g_free, | |||
5499 | (GDestroyNotify) meta_frame_layout_unref); | |||
5500 | ||||
5501 | theme->draw_op_lists_by_name = | |||
5502 | g_hash_table_new_full (g_str_hash, | |||
5503 | g_str_equal, | |||
5504 | g_free, | |||
5505 | (GDestroyNotify) meta_draw_op_list_unref); | |||
5506 | ||||
5507 | theme->styles_by_name = | |||
5508 | g_hash_table_new_full (g_str_hash, | |||
5509 | g_str_equal, | |||
5510 | g_free, | |||
5511 | (GDestroyNotify) meta_frame_style_unref); | |||
5512 | ||||
5513 | theme->style_sets_by_name = | |||
5514 | g_hash_table_new_full (g_str_hash, | |||
5515 | g_str_equal, | |||
5516 | g_free, | |||
5517 | (GDestroyNotify) meta_frame_style_set_unref); | |||
5518 | ||||
5519 | /* Create our variable quarks so we can look up variables without | |||
5520 | having to strcmp for the names */ | |||
5521 | theme->quark_width = g_quark_from_static_string ("width"); | |||
5522 | theme->quark_height = g_quark_from_static_string ("height"); | |||
5523 | theme->quark_object_width = g_quark_from_static_string ("object_width"); | |||
5524 | theme->quark_object_height = g_quark_from_static_string ("object_height"); | |||
5525 | theme->quark_left_width = g_quark_from_static_string ("left_width"); | |||
5526 | theme->quark_right_width = g_quark_from_static_string ("right_width"); | |||
5527 | theme->quark_top_height = g_quark_from_static_string ("top_height"); | |||
5528 | theme->quark_bottom_height = g_quark_from_static_string ("bottom_height"); | |||
5529 | theme->quark_mini_icon_width = g_quark_from_static_string ("mini_icon_width"); | |||
5530 | theme->quark_mini_icon_height = g_quark_from_static_string ("mini_icon_height"); | |||
5531 | theme->quark_icon_width = g_quark_from_static_string ("icon_width"); | |||
5532 | theme->quark_icon_height = g_quark_from_static_string ("icon_height"); | |||
5533 | theme->quark_title_width = g_quark_from_static_string ("title_width"); | |||
5534 | theme->quark_title_height = g_quark_from_static_string ("title_height"); | |||
5535 | theme->quark_frame_x_center = g_quark_from_static_string ("frame_x_center"); | |||
5536 | theme->quark_frame_y_center = g_quark_from_static_string ("frame_y_center"); | |||
5537 | return theme; | |||
5538 | } | |||
5539 | ||||
5540 | ||||
5541 | void | |||
5542 | meta_theme_free (MetaTheme *theme) | |||
5543 | { | |||
5544 | int i; | |||
5545 | ||||
5546 | g_return_if_fail (theme != NULL)do { if ((theme != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "theme != NULL"); return ; } } while (0); | |||
5547 | ||||
5548 | g_free (theme->name); | |||
5549 | g_free (theme->dirname); | |||
5550 | g_free (theme->filename); | |||
5551 | g_free (theme->readable_name); | |||
5552 | g_free (theme->date); | |||
5553 | g_free (theme->description); | |||
5554 | g_free (theme->author); | |||
5555 | g_free (theme->copyright); | |||
5556 | ||||
5557 | /* be more careful when destroying the theme hash tables, | |||
5558 | since they are only constructed as needed, and may be NULL. */ | |||
5559 | if (theme->integer_constants) | |||
5560 | g_hash_table_destroy (theme->integer_constants); | |||
5561 | if (theme->images_by_filename) | |||
5562 | g_hash_table_destroy (theme->images_by_filename); | |||
5563 | if (theme->layouts_by_name) | |||
5564 | g_hash_table_destroy (theme->layouts_by_name); | |||
5565 | if (theme->draw_op_lists_by_name) | |||
5566 | g_hash_table_destroy (theme->draw_op_lists_by_name); | |||
5567 | if (theme->styles_by_name) | |||
5568 | g_hash_table_destroy (theme->styles_by_name); | |||
5569 | if (theme->style_sets_by_name) | |||
5570 | g_hash_table_destroy (theme->style_sets_by_name); | |||
5571 | ||||
5572 | for (i = 0; i < META_FRAME_TYPE_LAST; i++) | |||
5573 | if (theme->style_sets_by_type[i]) | |||
5574 | meta_frame_style_set_unref (theme->style_sets_by_type[i]); | |||
5575 | ||||
5576 | DEBUG_FILL_STRUCT (theme)memset ((theme), 0xef, sizeof (*(theme))); | |||
5577 | g_free (theme); | |||
5578 | } | |||
5579 | ||||
5580 | gboolean | |||
5581 | meta_theme_validate (MetaTheme *theme, | |||
5582 | GError **error) | |||
5583 | { | |||
5584 | int i; | |||
5585 | ||||
5586 | g_return_val_if_fail (theme != NULL, FALSE)do { if ((theme != ((void*)0))) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "theme != NULL"); return ((0)); } } while (0); | |||
5587 | ||||
5588 | /* FIXME what else should be checked? */ | |||
5589 | ||||
5590 | g_assert (theme->name)do { if (theme->name) ; else g_assertion_message_expr ("croma" , "ui/theme.c", 5590, ((const char*) (__func__)), "theme->name" ); } while (0); | |||
5591 | ||||
5592 | if (theme->readable_name == NULL((void*)0)) | |||
5593 | { | |||
5594 | /* Translators: This error means that a necessary XML tag (whose name | |||
5595 | * is given in angle brackets) was not found in a given theme (whose | |||
5596 | * name is given second, in quotation marks). | |||
5597 | */ | |||
5598 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
5599 | _("No <%s> set for theme \"%s\"")dgettext ("croma", "No <%s> set for theme \"%s\""), "name", theme->name); | |||
5600 | return FALSE(0); | |||
5601 | } | |||
5602 | ||||
5603 | if (theme->author == NULL((void*)0)) | |||
5604 | { | |||
5605 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
5606 | _("No <%s> set for theme \"%s\"")dgettext ("croma", "No <%s> set for theme \"%s\""), "author", theme->name); | |||
5607 | return FALSE(0); | |||
5608 | } | |||
5609 | ||||
5610 | if (theme->date == NULL((void*)0)) | |||
5611 | { | |||
5612 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
5613 | _("No <%s> set for theme \"%s\"")dgettext ("croma", "No <%s> set for theme \"%s\""), "date", theme->name); | |||
5614 | return FALSE(0); | |||
5615 | } | |||
5616 | ||||
5617 | if (theme->description == NULL((void*)0)) | |||
5618 | { | |||
5619 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
5620 | _("No <%s> set for theme \"%s\"")dgettext ("croma", "No <%s> set for theme \"%s\""), "description", theme->name); | |||
5621 | return FALSE(0); | |||
5622 | } | |||
5623 | ||||
5624 | if (theme->copyright == NULL((void*)0)) | |||
5625 | { | |||
5626 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
5627 | _("No <%s> set for theme \"%s\"")dgettext ("croma", "No <%s> set for theme \"%s\""), "copyright", theme->name); | |||
5628 | return FALSE(0); | |||
5629 | } | |||
5630 | ||||
5631 | for (i = 0; i < (int)META_FRAME_TYPE_LAST; i++) | |||
5632 | if (i != (int)META_FRAME_TYPE_ATTACHED && theme->style_sets_by_type[i] == NULL((void*)0)) | |||
5633 | { | |||
5634 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
5635 | _("No frame style set for window type \"%s\" in theme \"%s\", add a <window type=\"%s\" style_set=\"whatever\"/> element")dgettext ("croma", "No frame style set for window type \"%s\" in theme \"%s\", add a <window type=\"%s\" style_set=\"whatever\"/> element" ), | |||
5636 | meta_frame_type_to_string (i), | |||
5637 | theme->name, | |||
5638 | meta_frame_type_to_string (i)); | |||
5639 | ||||
5640 | return FALSE(0); | |||
5641 | } | |||
5642 | ||||
5643 | return TRUE(!(0)); | |||
5644 | } | |||
5645 | ||||
5646 | GdkPixbuf* | |||
5647 | meta_theme_load_image (MetaTheme *theme, | |||
5648 | const char *filename, | |||
5649 | guint size_of_theme_icons, | |||
5650 | GError **error) | |||
5651 | { | |||
5652 | GdkPixbuf *pixbuf; | |||
5653 | int scale; | |||
5654 | ||||
5655 | pixbuf = g_hash_table_lookup (theme->images_by_filename, | |||
5656 | filename); | |||
5657 | ||||
5658 | scale = cdk_window_get_scale_factor (cdk_get_default_root_window ()); | |||
5659 | ||||
5660 | if (pixbuf == NULL((void*)0)) | |||
5661 | { | |||
5662 | ||||
5663 | if (g_str_has_prefix (filename, "theme:")(__builtin_constant_p ("theme:")? __extension__ ({ const char * const __str = (filename); const char * const __prefix = ("theme:" ); gboolean __result = (0); if (__str == ((void*)0) || __prefix == ((void*)0)) __result = (g_str_has_prefix) (__str, __prefix ); else { const size_t __str_len = strlen (((__str) + !(__str ))); const size_t __prefix_len = strlen (((__prefix) + !(__prefix ))); if (__str_len >= __prefix_len) __result = memcmp (((__str ) + !(__str)), ((__prefix) + !(__prefix)), __prefix_len) == 0 ; } __result; }) : (g_str_has_prefix) (filename, "theme:") ) && | |||
5664 | META_THEME_ALLOWS (theme, META_THEME_IMAGES_FROM_ICON_THEMES)(theme->format_version >= 2)) | |||
5665 | { | |||
5666 | pixbuf = ctk_icon_theme_load_icon_for_scale ( | |||
5667 | ctk_icon_theme_get_default (), | |||
5668 | filename+6, | |||
5669 | size_of_theme_icons, | |||
5670 | scale, | |||
5671 | 0, | |||
5672 | error); | |||
5673 | if (pixbuf == NULL((void*)0)) return NULL((void*)0); | |||
5674 | } | |||
5675 | else | |||
5676 | { | |||
5677 | char *full_path; | |||
5678 | full_path = g_build_filename (theme->dirname, filename, NULL((void*)0)); | |||
5679 | ||||
5680 | gint width, height; | |||
5681 | ||||
5682 | if (gdk_pixbuf_get_file_info (full_path, &width, &height) == NULL((void*)0)) | |||
5683 | { | |||
5684 | g_free (full_path); | |||
5685 | return NULL((void*)0); | |||
5686 | } | |||
5687 | ||||
5688 | width *= scale; | |||
5689 | height *= scale; | |||
5690 | ||||
5691 | pixbuf = gdk_pixbuf_new_from_file_at_size (full_path, width, height, error); | |||
5692 | ||||
5693 | if (pixbuf == NULL((void*)0)) | |||
5694 | { | |||
5695 | g_free (full_path); | |||
5696 | return NULL((void*)0); | |||
5697 | } | |||
5698 | ||||
5699 | g_free (full_path); | |||
5700 | } | |||
5701 | g_hash_table_replace (theme->images_by_filename, | |||
5702 | g_strdup (filename)g_strdup_inline (filename), | |||
5703 | pixbuf); | |||
5704 | } | |||
5705 | ||||
5706 | g_assert (pixbuf)do { if (pixbuf) ; else g_assertion_message_expr ("croma", "ui/theme.c" , 5706, ((const char*) (__func__)), "pixbuf"); } while (0); | |||
5707 | ||||
5708 | g_object_ref (G_OBJECT (pixbuf))((__typeof__ (((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((pixbuf)), (((GType) ((20) << (2))) ))))))) (g_object_ref) (((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((pixbuf)), (((GType) ((20) << (2))) ))))))); | |||
5709 | ||||
5710 | return pixbuf; | |||
5711 | } | |||
5712 | ||||
5713 | static MetaFrameStyle* | |||
5714 | theme_get_style (MetaTheme *theme, | |||
5715 | MetaFrameType type, | |||
5716 | MetaFrameFlags flags) | |||
5717 | { | |||
5718 | MetaFrameState state; | |||
5719 | MetaFrameResize resize; | |||
5720 | MetaFrameFocus focus; | |||
5721 | MetaFrameStyle *style; | |||
5722 | MetaFrameStyleSet *style_set; | |||
5723 | ||||
5724 | style_set = theme->style_sets_by_type[type]; | |||
5725 | ||||
5726 | if (style_set == NULL((void*)0) && type == META_FRAME_TYPE_ATTACHED) | |||
5727 | style_set = theme->style_sets_by_type[META_FRAME_TYPE_BORDER]; | |||
5728 | ||||
5729 | /* Right now the parser forces a style set for all other types, | |||
5730 | * but this fallback code is here in case I take that out. | |||
5731 | */ | |||
5732 | if (style_set == NULL((void*)0)) | |||
5733 | style_set = theme->style_sets_by_type[META_FRAME_TYPE_NORMAL]; | |||
5734 | if (style_set == NULL((void*)0)) | |||
5735 | return NULL((void*)0); | |||
5736 | ||||
5737 | switch (flags & (META_FRAME_MAXIMIZED | META_FRAME_SHADED | META_FRAME_TILED_LEFT | META_FRAME_TILED_RIGHT)) | |||
5738 | { | |||
5739 | case 0: | |||
5740 | state = META_FRAME_STATE_NORMAL; | |||
5741 | break; | |||
5742 | case META_FRAME_MAXIMIZED: | |||
5743 | state = META_FRAME_STATE_MAXIMIZED; | |||
5744 | break; | |||
5745 | case META_FRAME_TILED_LEFT: | |||
5746 | case (META_FRAME_MAXIMIZED | META_FRAME_TILED_LEFT): | |||
5747 | state = META_FRAME_STATE_TILED_LEFT; | |||
5748 | break; | |||
5749 | case META_FRAME_TILED_RIGHT: | |||
5750 | case (META_FRAME_MAXIMIZED | META_FRAME_TILED_RIGHT): | |||
5751 | state = META_FRAME_STATE_TILED_RIGHT; | |||
5752 | break; | |||
5753 | case META_FRAME_SHADED: | |||
5754 | state = META_FRAME_STATE_SHADED; | |||
5755 | break; | |||
5756 | case (META_FRAME_MAXIMIZED | META_FRAME_SHADED): | |||
5757 | state = META_FRAME_STATE_MAXIMIZED_AND_SHADED; | |||
5758 | break; | |||
5759 | case (META_FRAME_TILED_LEFT | META_FRAME_SHADED): | |||
5760 | state = META_FRAME_STATE_TILED_LEFT_AND_SHADED; | |||
5761 | break; | |||
5762 | case (META_FRAME_TILED_RIGHT | META_FRAME_SHADED): | |||
5763 | state = META_FRAME_STATE_TILED_RIGHT_AND_SHADED; | |||
5764 | break; | |||
5765 | default: | |||
5766 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 5766, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
5767 | state = META_FRAME_STATE_LAST; /* compiler */ | |||
5768 | break; | |||
5769 | } | |||
5770 | ||||
5771 | switch (flags & (META_FRAME_ALLOWS_VERTICAL_RESIZE | META_FRAME_ALLOWS_HORIZONTAL_RESIZE)) | |||
5772 | { | |||
5773 | case 0: | |||
5774 | resize = META_FRAME_RESIZE_NONE; | |||
5775 | break; | |||
5776 | case META_FRAME_ALLOWS_VERTICAL_RESIZE: | |||
5777 | resize = META_FRAME_RESIZE_VERTICAL; | |||
5778 | break; | |||
5779 | case META_FRAME_ALLOWS_HORIZONTAL_RESIZE: | |||
5780 | resize = META_FRAME_RESIZE_HORIZONTAL; | |||
5781 | break; | |||
5782 | case (META_FRAME_ALLOWS_VERTICAL_RESIZE | META_FRAME_ALLOWS_HORIZONTAL_RESIZE): | |||
5783 | resize = META_FRAME_RESIZE_BOTH; | |||
5784 | break; | |||
5785 | default: | |||
5786 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 5786, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
5787 | resize = META_FRAME_RESIZE_LAST; /* compiler */ | |||
5788 | break; | |||
5789 | } | |||
5790 | ||||
5791 | /* re invert the styles used for focus/unfocussed while flashing a frame */ | |||
5792 | if (((flags & META_FRAME_HAS_FOCUS) && !(flags & META_FRAME_IS_FLASHING)) | |||
5793 | || (!(flags & META_FRAME_HAS_FOCUS) && (flags & META_FRAME_IS_FLASHING))) | |||
5794 | focus = META_FRAME_FOCUS_YES; | |||
5795 | else | |||
5796 | focus = META_FRAME_FOCUS_NO; | |||
5797 | ||||
5798 | style = get_style (style_set, state, resize, focus); | |||
5799 | ||||
5800 | return style; | |||
5801 | } | |||
5802 | ||||
5803 | MetaFrameStyle* | |||
5804 | meta_theme_get_frame_style (MetaTheme *theme, | |||
5805 | MetaFrameType type, | |||
5806 | MetaFrameFlags flags) | |||
5807 | { | |||
5808 | MetaFrameStyle *style; | |||
5809 | ||||
5810 | g_return_val_if_fail (type < META_FRAME_TYPE_LAST, NULL)do { if ((type < META_FRAME_TYPE_LAST)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "type < META_FRAME_TYPE_LAST" ); return (((void*)0)); } } while (0); | |||
5811 | ||||
5812 | style = theme_get_style (theme, type, flags); | |||
5813 | ||||
5814 | return style; | |||
5815 | } | |||
5816 | ||||
5817 | double | |||
5818 | meta_theme_get_title_scale (MetaTheme *theme, | |||
5819 | MetaFrameType type, | |||
5820 | MetaFrameFlags flags) | |||
5821 | { | |||
5822 | MetaFrameStyle *style; | |||
5823 | ||||
5824 | g_return_val_if_fail (type < META_FRAME_TYPE_LAST, 1.0)do { if ((type < META_FRAME_TYPE_LAST)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "type < META_FRAME_TYPE_LAST" ); return (1.0); } } while (0); | |||
5825 | ||||
5826 | style = theme_get_style (theme, type, flags); | |||
5827 | ||||
5828 | /* Parser is not supposed to allow this currently */ | |||
5829 | if (style == NULL((void*)0)) | |||
5830 | return 1.0; | |||
5831 | ||||
5832 | return style->layout->title_scale; | |||
5833 | } | |||
5834 | ||||
5835 | void | |||
5836 | meta_theme_draw_frame (MetaTheme *theme, | |||
5837 | CtkStyleContext *style_ctk, | |||
5838 | cairo_t *cr, | |||
5839 | MetaFrameType type, | |||
5840 | MetaFrameFlags flags, | |||
5841 | int client_width, | |||
5842 | int client_height, | |||
5843 | PangoLayout *title_layout, | |||
5844 | int text_height, | |||
5845 | const MetaButtonLayout *button_layout, | |||
5846 | MetaButtonState button_states[META_BUTTON_TYPE_LAST], | |||
5847 | GdkPixbuf *mini_icon, | |||
5848 | GdkPixbuf *icon) | |||
5849 | { | |||
5850 | MetaFrameGeometry fgeom; | |||
5851 | MetaFrameStyle *style; | |||
5852 | ||||
5853 | g_return_if_fail (type < META_FRAME_TYPE_LAST)do { if ((type < META_FRAME_TYPE_LAST)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "type < META_FRAME_TYPE_LAST" ); return; } } while (0); | |||
5854 | ||||
5855 | style = theme_get_style (theme, type, flags); | |||
5856 | ||||
5857 | /* Parser is not supposed to allow this currently */ | |||
5858 | if (style == NULL((void*)0)) | |||
5859 | return; | |||
5860 | ||||
5861 | meta_frame_layout_calc_geometry (style->layout, | |||
5862 | text_height, | |||
5863 | flags, | |||
5864 | client_width, client_height, | |||
5865 | button_layout, | |||
5866 | &fgeom, | |||
5867 | theme); | |||
5868 | ||||
5869 | meta_frame_style_draw_with_style (style, | |||
5870 | style_ctk, | |||
5871 | cr, | |||
5872 | &fgeom, | |||
5873 | client_width, client_height, | |||
5874 | title_layout, | |||
5875 | text_height, | |||
5876 | button_states, | |||
5877 | mini_icon, icon); | |||
5878 | } | |||
5879 | ||||
5880 | void | |||
5881 | meta_theme_draw_frame_by_name (MetaTheme *theme, | |||
5882 | CtkWidget *widget, | |||
5883 | cairo_t *cr, | |||
5884 | const gchar *style_name, | |||
5885 | MetaFrameFlags flags, | |||
5886 | int client_width, | |||
5887 | int client_height, | |||
5888 | PangoLayout *title_layout, | |||
5889 | int text_height, | |||
5890 | const MetaButtonLayout *button_layout, | |||
5891 | MetaButtonState button_states[META_BUTTON_TYPE_LAST], | |||
5892 | GdkPixbuf *mini_icon, | |||
5893 | GdkPixbuf *icon) | |||
5894 | { | |||
5895 | MetaFrameGeometry fgeom; | |||
5896 | MetaFrameStyle *style; | |||
5897 | ||||
5898 | style = meta_theme_lookup_style (theme, style_name); | |||
5899 | ||||
5900 | /* Parser is not supposed to allow this currently */ | |||
5901 | if (style == NULL((void*)0)) | |||
5902 | return; | |||
5903 | ||||
5904 | meta_frame_layout_calc_geometry (style->layout, | |||
5905 | text_height, | |||
5906 | flags, | |||
5907 | client_width, client_height, | |||
5908 | button_layout, | |||
5909 | &fgeom, | |||
5910 | theme); | |||
5911 | ||||
5912 | meta_frame_style_draw (style, | |||
5913 | widget, | |||
5914 | cr, | |||
5915 | &fgeom, | |||
5916 | client_width, client_height, | |||
5917 | title_layout, | |||
5918 | text_height, | |||
5919 | button_states, | |||
5920 | mini_icon, icon); | |||
5921 | } | |||
5922 | ||||
5923 | void | |||
5924 | meta_theme_get_frame_borders (MetaTheme *theme, | |||
5925 | MetaFrameType type, | |||
5926 | int text_height, | |||
5927 | MetaFrameFlags flags, | |||
5928 | MetaFrameBorders *borders) | |||
5929 | { | |||
5930 | MetaFrameStyle *style; | |||
5931 | ||||
5932 | g_return_if_fail (type < META_FRAME_TYPE_LAST)do { if ((type < META_FRAME_TYPE_LAST)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "type < META_FRAME_TYPE_LAST" ); return; } } while (0); | |||
5933 | ||||
5934 | style = theme_get_style (theme, type, flags); | |||
5935 | ||||
5936 | meta_frame_borders_clear (borders); | |||
5937 | ||||
5938 | /* Parser is not supposed to allow this currently */ | |||
5939 | if (style == NULL((void*)0)) | |||
5940 | return; | |||
5941 | ||||
5942 | meta_frame_layout_get_borders (style->layout, | |||
5943 | text_height, | |||
5944 | flags, | |||
5945 | borders); | |||
5946 | } | |||
5947 | ||||
5948 | void | |||
5949 | meta_theme_calc_geometry (MetaTheme *theme, | |||
5950 | MetaFrameType type, | |||
5951 | int text_height, | |||
5952 | MetaFrameFlags flags, | |||
5953 | int client_width, | |||
5954 | int client_height, | |||
5955 | const MetaButtonLayout *button_layout, | |||
5956 | MetaFrameGeometry *fgeom) | |||
5957 | { | |||
5958 | MetaFrameStyle *style; | |||
5959 | ||||
5960 | g_return_if_fail (type < META_FRAME_TYPE_LAST)do { if ((type < META_FRAME_TYPE_LAST)) { } else { g_return_if_fail_warning ("croma", ((const char*) (__func__)), "type < META_FRAME_TYPE_LAST" ); return; } } while (0); | |||
5961 | ||||
5962 | style = theme_get_style (theme, type, flags); | |||
5963 | ||||
5964 | /* Parser is not supposed to allow this currently */ | |||
5965 | if (style == NULL((void*)0)) | |||
5966 | return; | |||
5967 | ||||
5968 | meta_frame_layout_calc_geometry (style->layout, | |||
5969 | text_height, | |||
5970 | flags, | |||
5971 | client_width, client_height, | |||
5972 | button_layout, | |||
5973 | fgeom, | |||
5974 | theme); | |||
5975 | } | |||
5976 | ||||
5977 | MetaFrameLayout* | |||
5978 | meta_theme_lookup_layout (MetaTheme *theme, | |||
5979 | const char *name) | |||
5980 | { | |||
5981 | return g_hash_table_lookup (theme->layouts_by_name, name); | |||
5982 | } | |||
5983 | ||||
5984 | void | |||
5985 | meta_theme_insert_layout (MetaTheme *theme, | |||
5986 | const char *name, | |||
5987 | MetaFrameLayout *layout) | |||
5988 | { | |||
5989 | meta_frame_layout_ref (layout); | |||
5990 | g_hash_table_replace (theme->layouts_by_name, g_strdup (name)g_strdup_inline (name), layout); | |||
5991 | } | |||
5992 | ||||
5993 | MetaDrawOpList* | |||
5994 | meta_theme_lookup_draw_op_list (MetaTheme *theme, | |||
5995 | const char *name) | |||
5996 | { | |||
5997 | return g_hash_table_lookup (theme->draw_op_lists_by_name, name); | |||
5998 | } | |||
5999 | ||||
6000 | void | |||
6001 | meta_theme_insert_draw_op_list (MetaTheme *theme, | |||
6002 | const char *name, | |||
6003 | MetaDrawOpList *op_list) | |||
6004 | { | |||
6005 | meta_draw_op_list_ref (op_list); | |||
6006 | g_hash_table_replace (theme->draw_op_lists_by_name, g_strdup (name)g_strdup_inline (name), op_list); | |||
6007 | } | |||
6008 | ||||
6009 | MetaFrameStyle* | |||
6010 | meta_theme_lookup_style (MetaTheme *theme, | |||
6011 | const char *name) | |||
6012 | { | |||
6013 | return g_hash_table_lookup (theme->styles_by_name, name); | |||
6014 | } | |||
6015 | ||||
6016 | void | |||
6017 | meta_theme_insert_style (MetaTheme *theme, | |||
6018 | const char *name, | |||
6019 | MetaFrameStyle *style) | |||
6020 | { | |||
6021 | meta_frame_style_ref (style); | |||
6022 | g_hash_table_replace (theme->styles_by_name, g_strdup (name)g_strdup_inline (name), style); | |||
6023 | } | |||
6024 | ||||
6025 | MetaFrameStyleSet* | |||
6026 | meta_theme_lookup_style_set (MetaTheme *theme, | |||
6027 | const char *name) | |||
6028 | { | |||
6029 | return g_hash_table_lookup (theme->style_sets_by_name, name); | |||
6030 | } | |||
6031 | ||||
6032 | void | |||
6033 | meta_theme_insert_style_set (MetaTheme *theme, | |||
6034 | const char *name, | |||
6035 | MetaFrameStyleSet *style_set) | |||
6036 | { | |||
6037 | meta_frame_style_set_ref (style_set); | |||
6038 | g_hash_table_replace (theme->style_sets_by_name, g_strdup (name)g_strdup_inline (name), style_set); | |||
6039 | } | |||
6040 | ||||
6041 | static gboolean | |||
6042 | first_uppercase (const char *str) | |||
6043 | { | |||
6044 | return g_ascii_isupper (*str)((g_ascii_table[(guchar) (*str)] & G_ASCII_UPPER) != 0); | |||
6045 | } | |||
6046 | ||||
6047 | gboolean | |||
6048 | meta_theme_define_int_constant (MetaTheme *theme, | |||
6049 | const char *name, | |||
6050 | int value, | |||
6051 | GError **error) | |||
6052 | { | |||
6053 | if (theme->integer_constants == NULL((void*)0)) | |||
6054 | theme->integer_constants = g_hash_table_new_full (g_str_hash, | |||
6055 | g_str_equal, | |||
6056 | g_free, | |||
6057 | NULL((void*)0)); | |||
6058 | ||||
6059 | if (!first_uppercase (name)) | |||
6060 | { | |||
6061 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
6062 | _("User-defined constants must begin with a capital letter; \"%s\" does not")dgettext ("croma", "User-defined constants must begin with a capital letter; \"%s\" does not" ), | |||
6063 | name); | |||
6064 | return FALSE(0); | |||
6065 | } | |||
6066 | ||||
6067 | if (g_hash_table_lookup_extended (theme->integer_constants, name, NULL((void*)0), NULL((void*)0))) | |||
6068 | { | |||
6069 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
6070 | _("Constant \"%s\" has already been defined")dgettext ("croma", "Constant \"%s\" has already been defined" ), | |||
6071 | name); | |||
6072 | ||||
6073 | return FALSE(0); | |||
6074 | } | |||
6075 | ||||
6076 | g_hash_table_insert (theme->integer_constants, | |||
6077 | g_strdup (name)g_strdup_inline (name), | |||
6078 | GINT_TO_POINTER (value)((gpointer) (glong) (value))); | |||
6079 | ||||
6080 | return TRUE(!(0)); | |||
6081 | } | |||
6082 | ||||
6083 | gboolean | |||
6084 | meta_theme_lookup_int_constant (MetaTheme *theme, | |||
6085 | const char *name, | |||
6086 | int *value) | |||
6087 | { | |||
6088 | gpointer old_value; | |||
6089 | ||||
6090 | *value = 0; | |||
6091 | ||||
6092 | if (theme->integer_constants == NULL((void*)0)) | |||
6093 | return FALSE(0); | |||
6094 | ||||
6095 | if (g_hash_table_lookup_extended (theme->integer_constants, | |||
6096 | name, NULL((void*)0), &old_value)) | |||
6097 | { | |||
6098 | *value = GPOINTER_TO_INT (old_value)((gint) (glong) (old_value)); | |||
6099 | return TRUE(!(0)); | |||
6100 | } | |||
6101 | else | |||
6102 | { | |||
6103 | return FALSE(0); | |||
6104 | } | |||
6105 | } | |||
6106 | ||||
6107 | gboolean | |||
6108 | meta_theme_define_float_constant (MetaTheme *theme, | |||
6109 | const char *name, | |||
6110 | double value, | |||
6111 | GError **error) | |||
6112 | { | |||
6113 | double *d; | |||
6114 | ||||
6115 | if (theme->float_constants == NULL((void*)0)) | |||
6116 | theme->float_constants = g_hash_table_new_full (g_str_hash, | |||
6117 | g_str_equal, | |||
6118 | g_free, | |||
6119 | g_free); | |||
6120 | ||||
6121 | if (!first_uppercase (name)) | |||
6122 | { | |||
6123 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
6124 | _("User-defined constants must begin with a capital letter; \"%s\" does not")dgettext ("croma", "User-defined constants must begin with a capital letter; \"%s\" does not" ), | |||
6125 | name); | |||
6126 | return FALSE(0); | |||
6127 | } | |||
6128 | ||||
6129 | if (g_hash_table_lookup_extended (theme->float_constants, name, NULL((void*)0), NULL((void*)0))) | |||
6130 | { | |||
6131 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
6132 | _("Constant \"%s\" has already been defined")dgettext ("croma", "Constant \"%s\" has already been defined" ), | |||
6133 | name); | |||
6134 | ||||
6135 | return FALSE(0); | |||
6136 | } | |||
6137 | ||||
6138 | d = g_new (double, 1)((double *) g_malloc_n ((1), sizeof (double))); | |||
6139 | *d = value; | |||
6140 | ||||
6141 | g_hash_table_insert (theme->float_constants, | |||
6142 | g_strdup (name)g_strdup_inline (name), d); | |||
6143 | ||||
6144 | return TRUE(!(0)); | |||
6145 | } | |||
6146 | ||||
6147 | gboolean | |||
6148 | meta_theme_lookup_float_constant (MetaTheme *theme, | |||
6149 | const char *name, | |||
6150 | double *value) | |||
6151 | { | |||
6152 | double *d; | |||
6153 | ||||
6154 | *value = 0.0; | |||
6155 | ||||
6156 | if (theme->float_constants == NULL((void*)0)) | |||
6157 | return FALSE(0); | |||
6158 | ||||
6159 | d = g_hash_table_lookup (theme->float_constants, name); | |||
6160 | ||||
6161 | if (d) | |||
6162 | { | |||
6163 | *value = *d; | |||
6164 | return TRUE(!(0)); | |||
6165 | } | |||
6166 | else | |||
6167 | { | |||
6168 | return FALSE(0); | |||
6169 | } | |||
6170 | } | |||
6171 | ||||
6172 | gboolean | |||
6173 | meta_theme_define_color_constant (MetaTheme *theme, | |||
6174 | const char *name, | |||
6175 | const char *value, | |||
6176 | GError **error) | |||
6177 | { | |||
6178 | if (theme->color_constants == NULL((void*)0)) | |||
6179 | theme->color_constants = g_hash_table_new_full (g_str_hash, | |||
6180 | g_str_equal, | |||
6181 | g_free, | |||
6182 | NULL((void*)0)); | |||
6183 | ||||
6184 | if (!first_uppercase (name)) | |||
6185 | { | |||
6186 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
6187 | _("User-defined constants must begin with a capital letter; \"%s\" does not")dgettext ("croma", "User-defined constants must begin with a capital letter; \"%s\" does not" ), | |||
6188 | name); | |||
6189 | return FALSE(0); | |||
6190 | } | |||
6191 | ||||
6192 | if (g_hash_table_lookup_extended (theme->color_constants, name, NULL((void*)0), NULL((void*)0))) | |||
6193 | { | |||
6194 | g_set_error (error, META_THEME_ERROR(g_quark_from_static_string ("meta-theme-error")), META_THEME_ERROR_FAILED, | |||
6195 | _("Constant \"%s\" has already been defined")dgettext ("croma", "Constant \"%s\" has already been defined" ), | |||
6196 | name); | |||
6197 | ||||
6198 | return FALSE(0); | |||
6199 | } | |||
6200 | ||||
6201 | g_hash_table_insert (theme->color_constants, | |||
6202 | g_strdup (name)g_strdup_inline (name), | |||
6203 | g_strdup (value)g_strdup_inline (value)); | |||
6204 | ||||
6205 | return TRUE(!(0)); | |||
6206 | } | |||
6207 | ||||
6208 | /** | |||
6209 | * Looks up a colour constant. | |||
6210 | * | |||
6211 | * \param theme the theme containing the constant | |||
6212 | * \param name the name of the constant | |||
6213 | * \param value [out] the string representation of the colour, or NULL if it | |||
6214 | * doesn't exist | |||
6215 | * \return TRUE if it exists, FALSE otherwise | |||
6216 | */ | |||
6217 | gboolean | |||
6218 | meta_theme_lookup_color_constant (MetaTheme *theme, | |||
6219 | const char *name, | |||
6220 | char **value) | |||
6221 | { | |||
6222 | char *result; | |||
6223 | ||||
6224 | *value = NULL((void*)0); | |||
6225 | ||||
6226 | if (theme->color_constants == NULL((void*)0)) | |||
6227 | return FALSE(0); | |||
6228 | ||||
6229 | result = g_hash_table_lookup (theme->color_constants, name); | |||
6230 | ||||
6231 | if (result) | |||
6232 | { | |||
6233 | *value = result; | |||
6234 | return TRUE(!(0)); | |||
6235 | } | |||
6236 | else | |||
6237 | { | |||
6238 | return FALSE(0); | |||
6239 | } | |||
6240 | } | |||
6241 | ||||
6242 | ||||
6243 | PangoFontDescription* | |||
6244 | meta_ctk_widget_get_font_desc (CtkWidget *widget, | |||
6245 | double scale, | |||
6246 | const PangoFontDescription *override) | |||
6247 | { | |||
6248 | PangoFontDescription *font_desc; | |||
6249 | ||||
6250 | CtkStyleContext *style = ctk_widget_get_style_context (widget); | |||
6251 | CtkStateFlags state = ctk_widget_get_state_flags (widget); | |||
6252 | ctk_style_context_get(style, state, CTK_STYLE_PROPERTY_FONT"font", &font_desc, NULL((void*)0)); | |||
6253 | font_desc = pango_font_description_copy (font_desc); | |||
6254 | ||||
6255 | if (override) | |||
6256 | pango_font_description_merge (font_desc, override, TRUE(!(0))); | |||
6257 | ||||
6258 | pango_font_description_set_size (font_desc, | |||
6259 | MAX (pango_font_description_get_size (font_desc) * scale, 1)(((pango_font_description_get_size (font_desc) * scale) > ( 1)) ? (pango_font_description_get_size (font_desc) * scale) : (1))); | |||
6260 | ||||
6261 | return font_desc; | |||
6262 | } | |||
6263 | ||||
6264 | /** | |||
6265 | * Returns the height of the letters in a particular font. | |||
6266 | * | |||
6267 | * \param font_desc the font | |||
6268 | * \param context the context of the font | |||
6269 | * \return the height of the letters | |||
6270 | */ | |||
6271 | int | |||
6272 | meta_pango_font_desc_get_text_height (const PangoFontDescription *font_desc, | |||
6273 | PangoContext *context) | |||
6274 | { | |||
6275 | PangoFontMetrics *metrics; | |||
6276 | PangoLanguage *lang; | |||
6277 | int retval; | |||
6278 | ||||
6279 | lang = pango_context_get_language (context); | |||
6280 | metrics = pango_context_get_metrics (context, font_desc, lang); | |||
6281 | ||||
6282 | retval = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +(((int)(pango_font_metrics_get_ascent (metrics) + pango_font_metrics_get_descent (metrics)) + 512) >> 10) | |||
6283 | pango_font_metrics_get_descent (metrics))(((int)(pango_font_metrics_get_ascent (metrics) + pango_font_metrics_get_descent (metrics)) + 512) >> 10); | |||
6284 | ||||
6285 | pango_font_metrics_unref (metrics); | |||
6286 | ||||
6287 | return retval; | |||
6288 | } | |||
6289 | ||||
6290 | MetaCtkColorComponent | |||
6291 | meta_color_component_from_string (const char *str) | |||
6292 | { | |||
6293 | if (strcmp ("fg", str) == 0) | |||
6294 | return META_CTK_COLOR_FG; | |||
6295 | else if (strcmp ("bg", str) == 0) | |||
6296 | return META_CTK_COLOR_BG; | |||
6297 | else if (strcmp ("light", str) == 0) | |||
6298 | return META_CTK_COLOR_LIGHT; | |||
6299 | else if (strcmp ("dark", str) == 0) | |||
6300 | return META_CTK_COLOR_DARK; | |||
6301 | else if (strcmp ("mid", str) == 0) | |||
6302 | return META_CTK_COLOR_MID; | |||
6303 | else if (strcmp ("text", str) == 0) | |||
6304 | return META_CTK_COLOR_TEXT; | |||
6305 | else if (strcmp ("base", str) == 0) | |||
6306 | return META_CTK_COLOR_BASE; | |||
6307 | else if (strcmp ("text_aa", str) == 0) | |||
6308 | return META_CTK_COLOR_TEXT_AA; | |||
6309 | else | |||
6310 | return META_CTK_COLOR_LAST; | |||
6311 | } | |||
6312 | ||||
6313 | const char* | |||
6314 | meta_color_component_to_string (MetaCtkColorComponent component) | |||
6315 | { | |||
6316 | switch (component) | |||
6317 | { | |||
6318 | case META_CTK_COLOR_FG: | |||
6319 | return "fg"; | |||
6320 | case META_CTK_COLOR_BG: | |||
6321 | return "bg"; | |||
6322 | case META_CTK_COLOR_LIGHT: | |||
6323 | return "light"; | |||
6324 | case META_CTK_COLOR_DARK: | |||
6325 | return "dark"; | |||
6326 | case META_CTK_COLOR_MID: | |||
6327 | return "mid"; | |||
6328 | case META_CTK_COLOR_TEXT: | |||
6329 | return "text"; | |||
6330 | case META_CTK_COLOR_BASE: | |||
6331 | return "base"; | |||
6332 | case META_CTK_COLOR_TEXT_AA: | |||
6333 | return "text_aa"; | |||
6334 | case META_CTK_COLOR_LAST: | |||
6335 | break; | |||
6336 | } | |||
6337 | ||||
6338 | return "<unknown>"; | |||
6339 | } | |||
6340 | ||||
6341 | MetaButtonState | |||
6342 | meta_button_state_from_string (const char *str) | |||
6343 | { | |||
6344 | if (strcmp ("normal", str) == 0) | |||
6345 | return META_BUTTON_STATE_NORMAL; | |||
6346 | else if (strcmp ("pressed", str) == 0) | |||
6347 | return META_BUTTON_STATE_PRESSED; | |||
6348 | else if (strcmp ("prelight", str) == 0) | |||
6349 | return META_BUTTON_STATE_PRELIGHT; | |||
6350 | else | |||
6351 | return META_BUTTON_STATE_LAST; | |||
6352 | } | |||
6353 | ||||
6354 | const char* | |||
6355 | meta_button_state_to_string (MetaButtonState state) | |||
6356 | { | |||
6357 | switch (state) | |||
6358 | { | |||
6359 | case META_BUTTON_STATE_NORMAL: | |||
6360 | return "normal"; | |||
6361 | case META_BUTTON_STATE_PRESSED: | |||
6362 | return "pressed"; | |||
6363 | case META_BUTTON_STATE_PRELIGHT: | |||
6364 | return "prelight"; | |||
6365 | case META_BUTTON_STATE_LAST: | |||
6366 | break; | |||
6367 | } | |||
6368 | ||||
6369 | return "<unknown>"; | |||
6370 | } | |||
6371 | ||||
6372 | MetaButtonType | |||
6373 | meta_button_type_from_string (const char *str, MetaTheme *theme) | |||
6374 | { | |||
6375 | if (META_THEME_ALLOWS(theme, META_THEME_SHADE_STICK_ABOVE_BUTTONS)(theme->format_version >= 2)) | |||
6376 | { | |||
6377 | if (strcmp ("shade", str) == 0) | |||
6378 | return META_BUTTON_TYPE_SHADE; | |||
6379 | else if (strcmp ("above", str) == 0) | |||
6380 | return META_BUTTON_TYPE_ABOVE; | |||
6381 | else if (strcmp ("stick", str) == 0) | |||
6382 | return META_BUTTON_TYPE_STICK; | |||
6383 | else if (strcmp ("unshade", str) == 0) | |||
6384 | return META_BUTTON_TYPE_UNSHADE; | |||
6385 | else if (strcmp ("unabove", str) == 0) | |||
6386 | return META_BUTTON_TYPE_UNABOVE; | |||
6387 | else if (strcmp ("unstick", str) == 0) | |||
6388 | return META_BUTTON_TYPE_UNSTICK; | |||
6389 | } | |||
6390 | ||||
6391 | if (strcmp ("close", str) == 0) | |||
6392 | return META_BUTTON_TYPE_CLOSE; | |||
6393 | else if (strcmp ("maximize", str) == 0) | |||
6394 | return META_BUTTON_TYPE_MAXIMIZE; | |||
6395 | else if (strcmp ("minimize", str) == 0) | |||
6396 | return META_BUTTON_TYPE_MINIMIZE; | |||
6397 | else if (strcmp ("menu", str) == 0) | |||
6398 | return META_BUTTON_TYPE_MENU; | |||
6399 | else if (strcmp ("appmenu", str) == 0) | |||
6400 | return META_BUTTON_TYPE_APPMENU; | |||
6401 | else if (strcmp ("left_left_background", str) == 0) | |||
6402 | return META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND; | |||
6403 | else if (strcmp ("left_middle_background", str) == 0) | |||
6404 | return META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND; | |||
6405 | else if (strcmp ("left_right_background", str) == 0) | |||
6406 | return META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND; | |||
6407 | else if (strcmp ("left_single_background", str) == 0) | |||
6408 | return META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND; | |||
6409 | else if (strcmp ("right_left_background", str) == 0) | |||
6410 | return META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND; | |||
6411 | else if (strcmp ("right_middle_background", str) == 0) | |||
6412 | return META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND; | |||
6413 | else if (strcmp ("right_right_background", str) == 0) | |||
6414 | return META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND; | |||
6415 | else if (strcmp ("right_single_background", str) == 0) | |||
6416 | return META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND; | |||
6417 | else | |||
6418 | return META_BUTTON_TYPE_LAST; | |||
6419 | } | |||
6420 | ||||
6421 | const char* | |||
6422 | meta_button_type_to_string (MetaButtonType type) | |||
6423 | { | |||
6424 | switch (type) | |||
6425 | { | |||
6426 | case META_BUTTON_TYPE_CLOSE: | |||
6427 | return "close"; | |||
6428 | case META_BUTTON_TYPE_MAXIMIZE: | |||
6429 | return "maximize"; | |||
6430 | case META_BUTTON_TYPE_MINIMIZE: | |||
6431 | return "minimize"; | |||
6432 | case META_BUTTON_TYPE_SHADE: | |||
6433 | return "shade"; | |||
6434 | case META_BUTTON_TYPE_ABOVE: | |||
6435 | return "above"; | |||
6436 | case META_BUTTON_TYPE_STICK: | |||
6437 | return "stick"; | |||
6438 | case META_BUTTON_TYPE_UNSHADE: | |||
6439 | return "unshade"; | |||
6440 | case META_BUTTON_TYPE_UNABOVE: | |||
6441 | return "unabove"; | |||
6442 | case META_BUTTON_TYPE_UNSTICK: | |||
6443 | return "unstick"; | |||
6444 | case META_BUTTON_TYPE_MENU: | |||
6445 | return "menu"; | |||
6446 | case META_BUTTON_TYPE_APPMENU: | |||
6447 | return "appmenu"; | |||
6448 | case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: | |||
6449 | return "left_left_background"; | |||
6450 | case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: | |||
6451 | return "left_middle_background"; | |||
6452 | case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: | |||
6453 | return "left_right_background"; | |||
6454 | case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: | |||
6455 | return "left_single_background"; | |||
6456 | case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: | |||
6457 | return "right_left_background"; | |||
6458 | case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: | |||
6459 | return "right_middle_background"; | |||
6460 | case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: | |||
6461 | return "right_right_background"; | |||
6462 | case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: | |||
6463 | return "right_single_background"; | |||
6464 | case META_BUTTON_TYPE_LAST: | |||
6465 | break; | |||
6466 | } | |||
6467 | ||||
6468 | return "<unknown>"; | |||
6469 | } | |||
6470 | ||||
6471 | MetaFramePiece | |||
6472 | meta_frame_piece_from_string (const char *str) | |||
6473 | { | |||
6474 | if (strcmp ("entire_background", str) == 0) | |||
6475 | return META_FRAME_PIECE_ENTIRE_BACKGROUND; | |||
6476 | else if (strcmp ("titlebar", str) == 0) | |||
6477 | return META_FRAME_PIECE_TITLEBAR; | |||
6478 | else if (strcmp ("titlebar_middle", str) == 0) | |||
6479 | return META_FRAME_PIECE_TITLEBAR_MIDDLE; | |||
6480 | else if (strcmp ("left_titlebar_edge", str) == 0) | |||
6481 | return META_FRAME_PIECE_LEFT_TITLEBAR_EDGE; | |||
6482 | else if (strcmp ("right_titlebar_edge", str) == 0) | |||
6483 | return META_FRAME_PIECE_RIGHT_TITLEBAR_EDGE; | |||
6484 | else if (strcmp ("top_titlebar_edge", str) == 0) | |||
6485 | return META_FRAME_PIECE_TOP_TITLEBAR_EDGE; | |||
6486 | else if (strcmp ("bottom_titlebar_edge", str) == 0) | |||
6487 | return META_FRAME_PIECE_BOTTOM_TITLEBAR_EDGE; | |||
6488 | else if (strcmp ("title", str) == 0) | |||
6489 | return META_FRAME_PIECE_TITLE; | |||
6490 | else if (strcmp ("left_edge", str) == 0) | |||
6491 | return META_FRAME_PIECE_LEFT_EDGE; | |||
6492 | else if (strcmp ("right_edge", str) == 0) | |||
6493 | return META_FRAME_PIECE_RIGHT_EDGE; | |||
6494 | else if (strcmp ("bottom_edge", str) == 0) | |||
6495 | return META_FRAME_PIECE_BOTTOM_EDGE; | |||
6496 | else if (strcmp ("overlay", str) == 0) | |||
6497 | return META_FRAME_PIECE_OVERLAY; | |||
6498 | else | |||
6499 | return META_FRAME_PIECE_LAST; | |||
6500 | } | |||
6501 | ||||
6502 | const char* | |||
6503 | meta_frame_piece_to_string (MetaFramePiece piece) | |||
6504 | { | |||
6505 | switch (piece) | |||
6506 | { | |||
6507 | case META_FRAME_PIECE_ENTIRE_BACKGROUND: | |||
6508 | return "entire_background"; | |||
6509 | case META_FRAME_PIECE_TITLEBAR: | |||
6510 | return "titlebar"; | |||
6511 | case META_FRAME_PIECE_TITLEBAR_MIDDLE: | |||
6512 | return "titlebar_middle"; | |||
6513 | case META_FRAME_PIECE_LEFT_TITLEBAR_EDGE: | |||
6514 | return "left_titlebar_edge"; | |||
6515 | case META_FRAME_PIECE_RIGHT_TITLEBAR_EDGE: | |||
6516 | return "right_titlebar_edge"; | |||
6517 | case META_FRAME_PIECE_TOP_TITLEBAR_EDGE: | |||
6518 | return "top_titlebar_edge"; | |||
6519 | case META_FRAME_PIECE_BOTTOM_TITLEBAR_EDGE: | |||
6520 | return "bottom_titlebar_edge"; | |||
6521 | case META_FRAME_PIECE_TITLE: | |||
6522 | return "title"; | |||
6523 | case META_FRAME_PIECE_LEFT_EDGE: | |||
6524 | return "left_edge"; | |||
6525 | case META_FRAME_PIECE_RIGHT_EDGE: | |||
6526 | return "right_edge"; | |||
6527 | case META_FRAME_PIECE_BOTTOM_EDGE: | |||
6528 | return "bottom_edge"; | |||
6529 | case META_FRAME_PIECE_OVERLAY: | |||
6530 | return "overlay"; | |||
6531 | case META_FRAME_PIECE_LAST: | |||
6532 | break; | |||
6533 | } | |||
6534 | ||||
6535 | return "<unknown>"; | |||
6536 | } | |||
6537 | ||||
6538 | MetaFrameState | |||
6539 | meta_frame_state_from_string (const char *str) | |||
6540 | { | |||
6541 | if (strcmp ("normal", str) == 0) | |||
6542 | return META_FRAME_STATE_NORMAL; | |||
6543 | else if (strcmp ("maximized", str) == 0) | |||
6544 | return META_FRAME_STATE_MAXIMIZED; | |||
6545 | else if (strcmp ("tiled_left", str) == 0) | |||
6546 | return META_FRAME_STATE_TILED_LEFT; | |||
6547 | else if (strcmp ("tiled_right", str) == 0) | |||
6548 | return META_FRAME_STATE_TILED_RIGHT; | |||
6549 | else if (strcmp ("shaded", str) == 0) | |||
6550 | return META_FRAME_STATE_SHADED; | |||
6551 | else if (strcmp ("maximized_and_shaded", str) == 0) | |||
6552 | return META_FRAME_STATE_MAXIMIZED_AND_SHADED; | |||
6553 | else if (strcmp ("tiled_left_and_shaded", str) == 0) | |||
6554 | return META_FRAME_STATE_TILED_LEFT_AND_SHADED; | |||
6555 | else if (strcmp ("tiled_right_and_shaded", str) == 0) | |||
6556 | return META_FRAME_STATE_TILED_RIGHT_AND_SHADED; | |||
6557 | else | |||
6558 | return META_FRAME_STATE_LAST; | |||
6559 | } | |||
6560 | ||||
6561 | const char* | |||
6562 | meta_frame_state_to_string (MetaFrameState state) | |||
6563 | { | |||
6564 | switch (state) | |||
6565 | { | |||
6566 | case META_FRAME_STATE_NORMAL: | |||
6567 | return "normal"; | |||
6568 | case META_FRAME_STATE_MAXIMIZED: | |||
6569 | return "maximized"; | |||
6570 | case META_FRAME_STATE_TILED_LEFT: | |||
6571 | return "tiled_left"; | |||
6572 | case META_FRAME_STATE_TILED_RIGHT: | |||
6573 | return "tiled_right"; | |||
6574 | case META_FRAME_STATE_SHADED: | |||
6575 | return "shaded"; | |||
6576 | case META_FRAME_STATE_MAXIMIZED_AND_SHADED: | |||
6577 | return "maximized_and_shaded"; | |||
6578 | case META_FRAME_STATE_TILED_LEFT_AND_SHADED: | |||
6579 | return "tiled_left_and_shaded"; | |||
6580 | case META_FRAME_STATE_TILED_RIGHT_AND_SHADED: | |||
6581 | return "tiled_right_and_shaded"; | |||
6582 | case META_FRAME_STATE_LAST: | |||
6583 | break; | |||
6584 | } | |||
6585 | ||||
6586 | return "<unknown>"; | |||
6587 | } | |||
6588 | ||||
6589 | MetaFrameResize | |||
6590 | meta_frame_resize_from_string (const char *str) | |||
6591 | { | |||
6592 | if (strcmp ("none", str) == 0) | |||
6593 | return META_FRAME_RESIZE_NONE; | |||
6594 | else if (strcmp ("vertical", str) == 0) | |||
6595 | return META_FRAME_RESIZE_VERTICAL; | |||
6596 | else if (strcmp ("horizontal", str) == 0) | |||
6597 | return META_FRAME_RESIZE_HORIZONTAL; | |||
6598 | else if (strcmp ("both", str) == 0) | |||
6599 | return META_FRAME_RESIZE_BOTH; | |||
6600 | else | |||
6601 | return META_FRAME_RESIZE_LAST; | |||
6602 | } | |||
6603 | ||||
6604 | const char* | |||
6605 | meta_frame_resize_to_string (MetaFrameResize resize) | |||
6606 | { | |||
6607 | switch (resize) | |||
6608 | { | |||
6609 | case META_FRAME_RESIZE_NONE: | |||
6610 | return "none"; | |||
6611 | case META_FRAME_RESIZE_VERTICAL: | |||
6612 | return "vertical"; | |||
6613 | case META_FRAME_RESIZE_HORIZONTAL: | |||
6614 | return "horizontal"; | |||
6615 | case META_FRAME_RESIZE_BOTH: | |||
6616 | return "both"; | |||
6617 | case META_FRAME_RESIZE_LAST: | |||
6618 | break; | |||
6619 | } | |||
6620 | ||||
6621 | return "<unknown>"; | |||
6622 | } | |||
6623 | ||||
6624 | MetaFrameFocus | |||
6625 | meta_frame_focus_from_string (const char *str) | |||
6626 | { | |||
6627 | if (strcmp ("no", str) == 0) | |||
6628 | return META_FRAME_FOCUS_NO; | |||
6629 | else if (strcmp ("yes", str) == 0) | |||
6630 | return META_FRAME_FOCUS_YES; | |||
6631 | else | |||
6632 | return META_FRAME_FOCUS_LAST; | |||
6633 | } | |||
6634 | ||||
6635 | const char* | |||
6636 | meta_frame_focus_to_string (MetaFrameFocus focus) | |||
6637 | { | |||
6638 | switch (focus) | |||
6639 | { | |||
6640 | case META_FRAME_FOCUS_NO: | |||
6641 | return "no"; | |||
6642 | case META_FRAME_FOCUS_YES: | |||
6643 | return "yes"; | |||
6644 | case META_FRAME_FOCUS_LAST: | |||
6645 | break; | |||
6646 | } | |||
6647 | ||||
6648 | return "<unknown>"; | |||
6649 | } | |||
6650 | ||||
6651 | MetaFrameType | |||
6652 | meta_frame_type_from_string (const char *str) | |||
6653 | { | |||
6654 | if (strcmp ("normal", str) == 0) | |||
6655 | return META_FRAME_TYPE_NORMAL; | |||
6656 | else if (strcmp ("dialog", str) == 0) | |||
6657 | return META_FRAME_TYPE_DIALOG; | |||
6658 | else if (strcmp ("modal_dialog", str) == 0) | |||
6659 | return META_FRAME_TYPE_MODAL_DIALOG; | |||
6660 | else if (strcmp ("utility", str) == 0) | |||
6661 | return META_FRAME_TYPE_UTILITY; | |||
6662 | else if (strcmp ("menu", str) == 0) | |||
6663 | return META_FRAME_TYPE_MENU; | |||
6664 | else if (strcmp ("border", str) == 0) | |||
6665 | return META_FRAME_TYPE_BORDER; | |||
6666 | else if (strcmp ("attached", str) == 0) | |||
6667 | return META_FRAME_TYPE_ATTACHED; | |||
6668 | #if 0 | |||
6669 | else if (strcmp ("toolbar", str) == 0) | |||
6670 | return META_FRAME_TYPE_TOOLBAR; | |||
6671 | #endif | |||
6672 | else | |||
6673 | return META_FRAME_TYPE_LAST; | |||
6674 | } | |||
6675 | ||||
6676 | const char* | |||
6677 | meta_frame_type_to_string (MetaFrameType type) | |||
6678 | { | |||
6679 | switch (type) | |||
6680 | { | |||
6681 | case META_FRAME_TYPE_NORMAL: | |||
6682 | return "normal"; | |||
6683 | case META_FRAME_TYPE_DIALOG: | |||
6684 | return "dialog"; | |||
6685 | case META_FRAME_TYPE_MODAL_DIALOG: | |||
6686 | return "modal_dialog"; | |||
6687 | case META_FRAME_TYPE_UTILITY: | |||
6688 | return "utility"; | |||
6689 | case META_FRAME_TYPE_MENU: | |||
6690 | return "menu"; | |||
6691 | case META_FRAME_TYPE_BORDER: | |||
6692 | return "border"; | |||
6693 | case META_FRAME_TYPE_ATTACHED: | |||
6694 | return "attached"; | |||
6695 | #if 0 | |||
6696 | case META_FRAME_TYPE_TOOLBAR: | |||
6697 | return "toolbar"; | |||
6698 | #endif | |||
6699 | case META_FRAME_TYPE_LAST: | |||
6700 | break; | |||
6701 | } | |||
6702 | ||||
6703 | return "<unknown>"; | |||
6704 | } | |||
6705 | ||||
6706 | MetaGradientType | |||
6707 | meta_gradient_type_from_string (const char *str) | |||
6708 | { | |||
6709 | if (strcmp ("vertical", str) == 0) | |||
6710 | return META_GRADIENT_VERTICAL; | |||
6711 | else if (strcmp ("horizontal", str) == 0) | |||
6712 | return META_GRADIENT_HORIZONTAL; | |||
6713 | else if (strcmp ("diagonal", str) == 0) | |||
6714 | return META_GRADIENT_DIAGONAL; | |||
6715 | else | |||
6716 | return META_GRADIENT_LAST; | |||
6717 | } | |||
6718 | ||||
6719 | const char* | |||
6720 | meta_gradient_type_to_string (MetaGradientType type) | |||
6721 | { | |||
6722 | switch (type) | |||
6723 | { | |||
6724 | case META_GRADIENT_VERTICAL: | |||
6725 | return "vertical"; | |||
6726 | case META_GRADIENT_HORIZONTAL: | |||
6727 | return "horizontal"; | |||
6728 | case META_GRADIENT_DIAGONAL: | |||
6729 | return "diagonal"; | |||
6730 | case META_GRADIENT_LAST: | |||
6731 | break; | |||
6732 | } | |||
6733 | ||||
6734 | return "<unknown>"; | |||
6735 | } | |||
6736 | ||||
6737 | CtkStateFlags | |||
6738 | meta_ctk_state_from_string (const char *str) | |||
6739 | { | |||
6740 | if (g_ascii_strcasecmp ("normal", str) == 0) | |||
6741 | return CTK_STATE_FLAG_NORMAL; | |||
6742 | else if (g_ascii_strcasecmp ("prelight", str) == 0) | |||
6743 | return CTK_STATE_FLAG_PRELIGHT; | |||
6744 | else if (g_ascii_strcasecmp ("active", str) == 0) | |||
6745 | return CTK_STATE_FLAG_ACTIVE; | |||
6746 | else if (g_ascii_strcasecmp ("selected", str) == 0) | |||
6747 | return CTK_STATE_FLAG_SELECTED; | |||
6748 | else if (g_ascii_strcasecmp ("insensitive", str) == 0) | |||
6749 | return CTK_STATE_FLAG_INSENSITIVE; | |||
6750 | else if (g_ascii_strcasecmp ("inconsistent", str) == 0) | |||
6751 | return CTK_STATE_FLAG_INCONSISTENT; | |||
6752 | else if (g_ascii_strcasecmp ("focused", str) == 0) | |||
6753 | return CTK_STATE_FLAG_FOCUSED; | |||
6754 | else if (g_ascii_strcasecmp ("backdrop", str) == 0) | |||
6755 | return CTK_STATE_FLAG_BACKDROP; | |||
6756 | else | |||
6757 | return -1; /* hack */ | |||
6758 | } | |||
6759 | ||||
6760 | CtkShadowType | |||
6761 | meta_ctk_shadow_from_string (const char *str) | |||
6762 | { | |||
6763 | if (strcmp ("none", str) == 0) | |||
6764 | return CTK_SHADOW_NONE; | |||
6765 | else if (strcmp ("in", str) == 0) | |||
6766 | return CTK_SHADOW_IN; | |||
6767 | else if (strcmp ("out", str) == 0) | |||
6768 | return CTK_SHADOW_OUT; | |||
6769 | else if (strcmp ("etched_in", str) == 0) | |||
6770 | return CTK_SHADOW_ETCHED_IN; | |||
6771 | else if (strcmp ("etched_out", str) == 0) | |||
6772 | return CTK_SHADOW_ETCHED_OUT; | |||
6773 | else | |||
6774 | return -1; | |||
6775 | } | |||
6776 | ||||
6777 | const char* | |||
6778 | meta_ctk_shadow_to_string (CtkShadowType shadow) | |||
6779 | { | |||
6780 | switch (shadow) | |||
6781 | { | |||
6782 | case CTK_SHADOW_NONE: | |||
6783 | return "none"; | |||
6784 | case CTK_SHADOW_IN: | |||
6785 | return "in"; | |||
6786 | case CTK_SHADOW_OUT: | |||
6787 | return "out"; | |||
6788 | case CTK_SHADOW_ETCHED_IN: | |||
6789 | return "etched_in"; | |||
6790 | case CTK_SHADOW_ETCHED_OUT: | |||
6791 | return "etched_out"; | |||
6792 | } | |||
6793 | ||||
6794 | return "<unknown>"; | |||
6795 | } | |||
6796 | ||||
6797 | CtkArrowType | |||
6798 | meta_ctk_arrow_from_string (const char *str) | |||
6799 | { | |||
6800 | if (strcmp ("up", str) == 0) | |||
6801 | return CTK_ARROW_UP; | |||
6802 | else if (strcmp ("down", str) == 0) | |||
6803 | return CTK_ARROW_DOWN; | |||
6804 | else if (strcmp ("left", str) == 0) | |||
6805 | return CTK_ARROW_LEFT; | |||
6806 | else if (strcmp ("right", str) == 0) | |||
6807 | return CTK_ARROW_RIGHT; | |||
6808 | else if (strcmp ("none", str) == 0) | |||
6809 | return CTK_ARROW_NONE; | |||
6810 | else | |||
6811 | return -1; | |||
6812 | } | |||
6813 | ||||
6814 | const char* | |||
6815 | meta_ctk_arrow_to_string (CtkArrowType arrow) | |||
6816 | { | |||
6817 | switch (arrow) | |||
6818 | { | |||
6819 | case CTK_ARROW_UP: | |||
6820 | return "up"; | |||
6821 | case CTK_ARROW_DOWN: | |||
6822 | return "down"; | |||
6823 | case CTK_ARROW_LEFT: | |||
6824 | return "left"; | |||
6825 | case CTK_ARROW_RIGHT: | |||
6826 | return "right"; | |||
6827 | case CTK_ARROW_NONE: | |||
6828 | return "none"; | |||
6829 | } | |||
6830 | ||||
6831 | return "<unknown>"; | |||
6832 | } | |||
6833 | ||||
6834 | /** | |||
6835 | * Returns a fill_type from a string. The inverse of | |||
6836 | * meta_image_fill_type_to_string(). | |||
6837 | * | |||
6838 | * \param str a string representing a fill_type | |||
6839 | * \result the fill_type, or -1 if it represents no fill_type. | |||
6840 | */ | |||
6841 | MetaImageFillType | |||
6842 | meta_image_fill_type_from_string (const char *str) | |||
6843 | { | |||
6844 | if (strcmp ("tile", str) == 0) | |||
6845 | return META_IMAGE_FILL_TILE; | |||
6846 | else if (strcmp ("scale", str) == 0) | |||
6847 | return META_IMAGE_FILL_SCALE; | |||
6848 | else | |||
6849 | return -1; | |||
6850 | } | |||
6851 | ||||
6852 | /** | |||
6853 | * Returns a string representation of a fill_type. The inverse of | |||
6854 | * meta_image_fill_type_from_string(). | |||
6855 | * | |||
6856 | * \param fill_type the fill type | |||
6857 | * \result a string representing that type | |||
6858 | */ | |||
6859 | const char* | |||
6860 | meta_image_fill_type_to_string (MetaImageFillType fill_type) | |||
6861 | { | |||
6862 | switch (fill_type) | |||
6863 | { | |||
6864 | case META_IMAGE_FILL_TILE: | |||
6865 | return "tile"; | |||
6866 | case META_IMAGE_FILL_SCALE: | |||
6867 | return "scale"; | |||
6868 | } | |||
6869 | ||||
6870 | return "<unknown>"; | |||
6871 | } | |||
6872 | ||||
6873 | /** | |||
6874 | * Takes a colour "a", scales the lightness and saturation by a certain amount, | |||
6875 | * and sets "b" to the resulting colour. | |||
6876 | * ctkstyle.c cut-and-pastage. | |||
6877 | * | |||
6878 | * \param a the starting colour | |||
6879 | * \param b [out] the resulting colour | |||
6880 | * \param k amount to scale lightness and saturation by | |||
6881 | */ | |||
6882 | static void | |||
6883 | ctk_style_shade (CdkRGBA *a, | |||
6884 | CdkRGBA *b, | |||
6885 | gdouble k) | |||
6886 | { | |||
6887 | gdouble red; | |||
6888 | gdouble green; | |||
6889 | gdouble blue; | |||
6890 | ||||
6891 | red = a->red; | |||
6892 | green = a->green; | |||
6893 | blue = a->blue; | |||
6894 | ||||
6895 | rgb_to_hls (&red, &green, &blue); | |||
6896 | ||||
6897 | green *= k; | |||
6898 | if (green > 1.0) | |||
6899 | green = 1.0; | |||
6900 | else if (green < 0.0) | |||
6901 | green = 0.0; | |||
6902 | ||||
6903 | blue *= k; | |||
6904 | if (blue > 1.0) | |||
6905 | blue = 1.0; | |||
6906 | else if (blue < 0.0) | |||
6907 | blue = 0.0; | |||
6908 | ||||
6909 | hls_to_rgb (&red, &green, &blue); | |||
6910 | ||||
6911 | b->red = red; | |||
6912 | b->green = green; | |||
6913 | b->blue = blue; | |||
6914 | } | |||
6915 | ||||
6916 | /** | |||
6917 | * Converts a red/green/blue triplet to a hue/lightness/saturation triplet. | |||
6918 | * | |||
6919 | * \param r on input, red; on output, hue | |||
6920 | * \param g on input, green; on output, lightness | |||
6921 | * \param b on input, blue; on output, saturation | |||
6922 | */ | |||
6923 | static void | |||
6924 | rgb_to_hls (gdouble *r, | |||
6925 | gdouble *g, | |||
6926 | gdouble *b) | |||
6927 | { | |||
6928 | gdouble min; | |||
6929 | gdouble max; | |||
6930 | gdouble red; | |||
6931 | gdouble green; | |||
6932 | gdouble blue; | |||
6933 | gdouble h, l, s; | |||
6934 | gdouble delta; | |||
6935 | ||||
6936 | red = *r; | |||
6937 | green = *g; | |||
6938 | blue = *b; | |||
6939 | ||||
6940 | if (red > green) | |||
6941 | { | |||
6942 | if (red > blue) | |||
6943 | max = red; | |||
6944 | else | |||
6945 | max = blue; | |||
6946 | ||||
6947 | if (green < blue) | |||
6948 | min = green; | |||
6949 | else | |||
6950 | min = blue; | |||
6951 | } | |||
6952 | else | |||
6953 | { | |||
6954 | if (green > blue) | |||
6955 | max = green; | |||
6956 | else | |||
6957 | max = blue; | |||
6958 | ||||
6959 | if (red < blue) | |||
6960 | min = red; | |||
6961 | else | |||
6962 | min = blue; | |||
6963 | } | |||
6964 | ||||
6965 | l = (max + min) / 2; | |||
6966 | s = 0; | |||
6967 | h = 0; | |||
6968 | ||||
6969 | if (max != min) | |||
6970 | { | |||
6971 | if (l <= 0.5) | |||
6972 | s = (max - min) / (max + min); | |||
6973 | else | |||
6974 | s = (max - min) / (2 - max - min); | |||
6975 | ||||
6976 | delta = max -min; | |||
6977 | if (red == max) | |||
6978 | h = (green - blue) / delta; | |||
6979 | else if (green == max) | |||
6980 | h = 2 + (blue - red) / delta; | |||
6981 | else if (blue == max) | |||
6982 | h = 4 + (red - green) / delta; | |||
6983 | ||||
6984 | h *= 60; | |||
6985 | if (h < 0.0) | |||
6986 | h += 360; | |||
6987 | } | |||
6988 | ||||
6989 | *r = h; | |||
6990 | *g = l; | |||
6991 | *b = s; | |||
6992 | } | |||
6993 | ||||
6994 | /** | |||
6995 | * Converts a hue/lightness/saturation triplet to a red/green/blue triplet. | |||
6996 | * | |||
6997 | * \param h on input, hue; on output, red | |||
6998 | * \param l on input, lightness; on output, green | |||
6999 | * \param s on input, saturation; on output, blue | |||
7000 | */ | |||
7001 | static void | |||
7002 | hls_to_rgb (gdouble *h, | |||
7003 | gdouble *l, | |||
7004 | gdouble *s) | |||
7005 | { | |||
7006 | gdouble hue; | |||
7007 | gdouble lightness; | |||
7008 | gdouble saturation; | |||
7009 | gdouble m1, m2; | |||
7010 | gdouble r, g, b; | |||
7011 | ||||
7012 | lightness = *l; | |||
7013 | saturation = *s; | |||
7014 | ||||
7015 | if (lightness <= 0.5) | |||
7016 | m2 = lightness * (1 + saturation); | |||
7017 | else | |||
7018 | m2 = lightness + saturation - lightness * saturation; | |||
7019 | m1 = 2 * lightness - m2; | |||
7020 | ||||
7021 | if (saturation == 0) | |||
7022 | { | |||
7023 | *h = lightness; | |||
7024 | *l = lightness; | |||
7025 | *s = lightness; | |||
7026 | } | |||
7027 | else | |||
7028 | { | |||
7029 | hue = *h + 120; | |||
7030 | while (hue > 360) | |||
7031 | hue -= 360; | |||
7032 | while (hue < 0) | |||
7033 | hue += 360; | |||
7034 | ||||
7035 | if (hue < 60) | |||
7036 | r = m1 + (m2 - m1) * hue / 60; | |||
7037 | else if (hue < 180) | |||
7038 | r = m2; | |||
7039 | else if (hue < 240) | |||
7040 | r = m1 + (m2 - m1) * (240 - hue) / 60; | |||
7041 | else | |||
7042 | r = m1; | |||
7043 | ||||
7044 | hue = *h; | |||
7045 | while (hue > 360) | |||
7046 | hue -= 360; | |||
7047 | while (hue < 0) | |||
7048 | hue += 360; | |||
7049 | ||||
7050 | if (hue < 60) | |||
7051 | g = m1 + (m2 - m1) * hue / 60; | |||
7052 | else if (hue < 180) | |||
7053 | g = m2; | |||
7054 | else if (hue < 240) | |||
7055 | g = m1 + (m2 - m1) * (240 - hue) / 60; | |||
7056 | else | |||
7057 | g = m1; | |||
7058 | ||||
7059 | hue = *h - 120; | |||
7060 | while (hue > 360) | |||
7061 | hue -= 360; | |||
7062 | while (hue < 0) | |||
7063 | hue += 360; | |||
7064 | ||||
7065 | if (hue < 60) | |||
7066 | b = m1 + (m2 - m1) * hue / 60; | |||
7067 | else if (hue < 180) | |||
7068 | b = m2; | |||
7069 | else if (hue < 240) | |||
7070 | b = m1 + (m2 - m1) * (240 - hue) / 60; | |||
7071 | else | |||
7072 | b = m1; | |||
7073 | ||||
7074 | *h = r; | |||
7075 | *l = g; | |||
7076 | *s = b; | |||
7077 | } | |||
7078 | } | |||
7079 | ||||
7080 | #if 0 | |||
7081 | /* These are some functions I'm saving to use in optimizing | |||
7082 | * MetaDrawOpList, namely to pre-composite pixbufs on client side | |||
7083 | * prior to rendering to the server | |||
7084 | */ | |||
7085 | static void | |||
7086 | draw_bg_solid_composite (const MetaTextureSpec *bg, | |||
7087 | const MetaTextureSpec *fg, | |||
7088 | double alpha, | |||
7089 | CtkWidget *widget, | |||
7090 | CdkDrawable *drawable, | |||
7091 | const CdkRectangle *clip, | |||
7092 | MetaTextureDrawMode mode, | |||
7093 | double xalign, | |||
7094 | double yalign, | |||
7095 | int x, | |||
7096 | int y, | |||
7097 | int width, | |||
7098 | int height) | |||
7099 | { | |||
7100 | CdkColor bg_color; | |||
7101 | ||||
7102 | g_assert (bg->type == META_TEXTURE_SOLID)do { if (bg->type == META_TEXTURE_SOLID) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7102, ((const char*) (__func__)), "bg->type == META_TEXTURE_SOLID" ); } while (0); | |||
7103 | g_assert (fg->type != META_TEXTURE_COMPOSITE)do { if (fg->type != META_TEXTURE_COMPOSITE) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7103, ((const char*) (__func__)), "fg->type != META_TEXTURE_COMPOSITE" ); } while (0); | |||
7104 | g_assert (fg->type != META_TEXTURE_SHAPE_LIST)do { if (fg->type != META_TEXTURE_SHAPE_LIST) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7104, ((const char*) (__func__)), "fg->type != META_TEXTURE_SHAPE_LIST" ); } while (0); | |||
7105 | ||||
7106 | meta_color_spec_render (bg->data.solid.color_spec, | |||
7107 | widget, | |||
7108 | &bg_color); | |||
7109 | ||||
7110 | switch (fg->type) | |||
7111 | { | |||
7112 | case META_TEXTURE_SOLID: | |||
7113 | { | |||
7114 | CdkColor fg_color; | |||
7115 | ||||
7116 | meta_color_spec_render (fg->data.solid.color_spec, | |||
7117 | widget, | |||
7118 | &fg_color); | |||
7119 | ||||
7120 | color_composite (&bg_color, &fg_color, | |||
7121 | alpha, &fg_color); | |||
7122 | ||||
7123 | draw_color_rectangle (widget, drawable, &fg_color, clip, | |||
7124 | x, y, width, height); | |||
7125 | } | |||
7126 | break; | |||
7127 | ||||
7128 | case META_TEXTURE_GRADIENT: | |||
7129 | /* FIXME I think we could just composite all the colors in | |||
7130 | * the gradient prior to generating the gradient? | |||
7131 | */ | |||
7132 | /* FALL THRU */ | |||
7133 | case META_TEXTURE_IMAGE: | |||
7134 | { | |||
7135 | GdkPixbuf *pixbuf; | |||
7136 | GdkPixbuf *composited; | |||
7137 | ||||
7138 | pixbuf = meta_texture_spec_render (fg, widget, mode, 255, | |||
7139 | width, height); | |||
7140 | ||||
7141 | if (pixbuf == NULL((void*)0)) | |||
7142 | return; | |||
7143 | ||||
7144 | composited = gdk_pixbuf_new (GDK_COLORSPACE_RGB, | |||
7145 | gdk_pixbuf_get_has_alpha (pixbuf), 8, | |||
7146 | gdk_pixbuf_get_width (pixbuf), | |||
7147 | gdk_pixbuf_get_height (pixbuf)); | |||
7148 | ||||
7149 | if (composited == NULL((void*)0)) | |||
7150 | { | |||
7151 | g_object_unref (G_OBJECT (pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((pixbuf)), (((GType) ((20) << (2))))))))); | |||
7152 | return; | |||
7153 | } | |||
7154 | ||||
7155 | gdk_pixbuf_composite_color (pixbuf, | |||
7156 | composited, | |||
7157 | 0, 0, | |||
7158 | gdk_pixbuf_get_width (pixbuf), | |||
7159 | gdk_pixbuf_get_height (pixbuf), | |||
7160 | 0.0, 0.0, /* offsets */ | |||
7161 | 1.0, 1.0, /* scale */ | |||
7162 | GDK_INTERP_BILINEAR, | |||
7163 | 255 * alpha, | |||
7164 | 0, 0, /* check offsets */ | |||
7165 | 0, /* check size */ | |||
7166 | CDK_COLOR_RGB (bg_color)((guint32) (((int)((bg_color).red * 255) << 16) | ((int )((bg_color).green * 255) << 8) | ((int)((bg_color).blue * 255)))), | |||
7167 | CDK_COLOR_RGB (bg_color)((guint32) (((int)((bg_color).red * 255) << 16) | ((int )((bg_color).green * 255) << 8) | ((int)((bg_color).blue * 255))))); | |||
7168 | ||||
7169 | /* Need to draw background since pixbuf is not | |||
7170 | * necessarily covering the whole thing | |||
7171 | */ | |||
7172 | draw_color_rectangle (widget, drawable, &bg_color, clip, | |||
7173 | x, y, width, height); | |||
7174 | ||||
7175 | render_pixbuf_aligned (drawable, clip, composited, | |||
7176 | xalign, yalign, | |||
7177 | x, y, width, height); | |||
7178 | ||||
7179 | g_object_unref (G_OBJECT (pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((pixbuf)), (((GType) ((20) << (2))))))))); | |||
7180 | g_object_unref (G_OBJECT (composited)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((composited)), (((GType) ((20) << (2))))))))); | |||
7181 | } | |||
7182 | break; | |||
7183 | ||||
7184 | case META_TEXTURE_BLANK: | |||
7185 | case META_TEXTURE_COMPOSITE: | |||
7186 | case META_TEXTURE_SHAPE_LIST: | |||
7187 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 7187, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
7188 | break; | |||
7189 | } | |||
7190 | } | |||
7191 | ||||
7192 | static void | |||
7193 | draw_bg_gradient_composite (const MetaTextureSpec *bg, | |||
7194 | const MetaTextureSpec *fg, | |||
7195 | double alpha, | |||
7196 | CtkWidget *widget, | |||
7197 | CdkDrawable *drawable, | |||
7198 | const CdkRectangle *clip, | |||
7199 | MetaTextureDrawMode mode, | |||
7200 | double xalign, | |||
7201 | double yalign, | |||
7202 | int x, | |||
7203 | int y, | |||
7204 | int width, | |||
7205 | int height) | |||
7206 | { | |||
7207 | g_assert (bg->type == META_TEXTURE_GRADIENT)do { if (bg->type == META_TEXTURE_GRADIENT) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7207, ((const char*) (__func__)), "bg->type == META_TEXTURE_GRADIENT" ); } while (0); | |||
7208 | g_assert (fg->type != META_TEXTURE_COMPOSITE)do { if (fg->type != META_TEXTURE_COMPOSITE) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7208, ((const char*) (__func__)), "fg->type != META_TEXTURE_COMPOSITE" ); } while (0); | |||
7209 | g_assert (fg->type != META_TEXTURE_SHAPE_LIST)do { if (fg->type != META_TEXTURE_SHAPE_LIST) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7209, ((const char*) (__func__)), "fg->type != META_TEXTURE_SHAPE_LIST" ); } while (0); | |||
7210 | ||||
7211 | switch (fg->type) | |||
7212 | { | |||
7213 | case META_TEXTURE_SOLID: | |||
7214 | case META_TEXTURE_GRADIENT: | |||
7215 | case META_TEXTURE_IMAGE: | |||
7216 | { | |||
7217 | GdkPixbuf *bg_pixbuf; | |||
7218 | GdkPixbuf *fg_pixbuf; | |||
7219 | GdkPixbuf *composited; | |||
7220 | int fg_width, fg_height; | |||
7221 | ||||
7222 | bg_pixbuf = meta_texture_spec_render (bg, widget, mode, 255, | |||
7223 | width, height); | |||
7224 | ||||
7225 | if (bg_pixbuf == NULL((void*)0)) | |||
7226 | return; | |||
7227 | ||||
7228 | fg_pixbuf = meta_texture_spec_render (fg, widget, mode, 255, | |||
7229 | width, height); | |||
7230 | ||||
7231 | if (fg_pixbuf == NULL((void*)0)) | |||
7232 | { | |||
7233 | g_object_unref (G_OBJECT (bg_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((bg_pixbuf)), (((GType) ((20) << (2))))))))); | |||
7234 | return; | |||
7235 | } | |||
7236 | ||||
7237 | /* gradients always fill the entire target area */ | |||
7238 | g_assert (gdk_pixbuf_get_width (bg_pixbuf) == width)do { if (gdk_pixbuf_get_width (bg_pixbuf) == width) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7238, ((const char*) (__func__)), "gdk_pixbuf_get_width (bg_pixbuf) == width" ); } while (0); | |||
7239 | g_assert (gdk_pixbuf_get_height (bg_pixbuf) == height)do { if (gdk_pixbuf_get_height (bg_pixbuf) == height) ; else g_assertion_message_expr ("croma", "ui/theme.c", 7239, ((const char*) (__func__)), "gdk_pixbuf_get_height (bg_pixbuf) == height" ); } while (0); | |||
7240 | ||||
7241 | composited = gdk_pixbuf_new (GDK_COLORSPACE_RGB, | |||
7242 | gdk_pixbuf_get_has_alpha (bg_pixbuf), 8, | |||
7243 | gdk_pixbuf_get_width (bg_pixbuf), | |||
7244 | gdk_pixbuf_get_height (bg_pixbuf)); | |||
7245 | ||||
7246 | if (composited == NULL((void*)0)) | |||
7247 | { | |||
7248 | g_object_unref (G_OBJECT (bg_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((bg_pixbuf)), (((GType) ((20) << (2))))))))); | |||
7249 | g_object_unref (G_OBJECT (fg_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((fg_pixbuf)), (((GType) ((20) << (2))))))))); | |||
7250 | return; | |||
7251 | } | |||
7252 | ||||
7253 | fg_width = gdk_pixbuf_get_width (fg_pixbuf); | |||
7254 | fg_height = gdk_pixbuf_get_height (fg_pixbuf); | |||
7255 | ||||
7256 | /* If we wanted to be all cool we could deal with the | |||
7257 | * offsets and try to composite only in the clip rectangle, | |||
7258 | * but I just don't care enough to figure it out. | |||
7259 | */ | |||
7260 | ||||
7261 | gdk_pixbuf_composite (fg_pixbuf, | |||
7262 | composited, | |||
7263 | x + (width - fg_width) * xalign, | |||
7264 | y + (height - fg_height) * yalign, | |||
7265 | gdk_pixbuf_get_width (fg_pixbuf), | |||
7266 | gdk_pixbuf_get_height (fg_pixbuf), | |||
7267 | 0.0, 0.0, /* offsets */ | |||
7268 | 1.0, 1.0, /* scale */ | |||
7269 | GDK_INTERP_BILINEAR, | |||
7270 | 255 * alpha); | |||
7271 | ||||
7272 | cdk_cairo_set_source_pixbuf (cr, composited, x, y); | |||
7273 | cairo_paint (cr); | |||
7274 | ||||
7275 | g_object_unref (G_OBJECT (bg_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((bg_pixbuf)), (((GType) ((20) << (2))))))))); | |||
7276 | g_object_unref (G_OBJECT (fg_pixbuf)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((fg_pixbuf)), (((GType) ((20) << (2))))))))); | |||
7277 | g_object_unref (G_OBJECT (composited)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((composited)), (((GType) ((20) << (2))))))))); | |||
7278 | } | |||
7279 | break; | |||
7280 | ||||
7281 | case META_TEXTURE_BLANK: | |||
7282 | case META_TEXTURE_SHAPE_LIST: | |||
7283 | case META_TEXTURE_COMPOSITE: | |||
7284 | g_assert_not_reached ()do { g_assertion_message_expr ("croma", "ui/theme.c", 7284, ( (const char*) (__func__)), ((void*)0)); } while (0); | |||
7285 | break; | |||
7286 | } | |||
7287 | } | |||
7288 | #endif | |||
7289 | ||||
7290 | /** | |||
7291 | * Returns the earliest version of the theme format which required support | |||
7292 | * for a particular button. (For example, "shade" first appeared in v2, and | |||
7293 | * "close" in v1.) | |||
7294 | * | |||
7295 | * \param type the button type | |||
7296 | * \return the number of the theme format | |||
7297 | */ | |||
7298 | guint | |||
7299 | meta_theme_earliest_version_with_button (MetaButtonType type) | |||
7300 | { | |||
7301 | switch (type) | |||
7302 | { | |||
7303 | case META_BUTTON_TYPE_CLOSE: | |||
7304 | case META_BUTTON_TYPE_MAXIMIZE: | |||
7305 | case META_BUTTON_TYPE_MINIMIZE: | |||
7306 | case META_BUTTON_TYPE_MENU: | |||
7307 | case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: | |||
7308 | case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: | |||
7309 | case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: | |||
7310 | case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: | |||
7311 | case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: | |||
7312 | case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: | |||
7313 | return 1000; | |||
7314 | ||||
7315 | case META_BUTTON_TYPE_SHADE: | |||
7316 | case META_BUTTON_TYPE_ABOVE: | |||
7317 | case META_BUTTON_TYPE_STICK: | |||
7318 | case META_BUTTON_TYPE_UNSHADE: | |||
7319 | case META_BUTTON_TYPE_UNABOVE: | |||
7320 | case META_BUTTON_TYPE_UNSTICK: | |||
7321 | return 2000; | |||
7322 | ||||
7323 | case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: | |||
7324 | case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: | |||
7325 | return 3003; | |||
7326 | ||||
7327 | case META_BUTTON_TYPE_APPMENU: | |||
7328 | return 3005; | |||
7329 | ||||
7330 | default: | |||
7331 | meta_warning("Unknown button %d\n", type); | |||
7332 | return 1000; | |||
7333 | } | |||
7334 | } |