| File: | libbaul-private/baul-icon-dnd.c |
| Warning: | line 1903, column 22 This statement is never executed |
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| 1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ |
| 2 | |
| 3 | /* baul-icon-dnd.c - Drag & drop handling for the icon container widget. |
| 4 | |
| 5 | Copyright (C) 1999, 2000 Free Software Foundation |
| 6 | Copyright (C) 2000 Eazel, Inc. |
| 7 | |
| 8 | The Cafe Library is free software; you can redistribute it and/or |
| 9 | modify it under the terms of the GNU Library 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 | The Cafe Library is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | Library General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU Library General Public |
| 19 | License along with the Cafe Library; see the file COPYING.LIB. If not, |
| 20 | write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| 21 | Boston, MA 02110-1301, USA. |
| 22 | |
| 23 | Authors: Ettore Perazzoli <ettore@gnu.org>, |
| 24 | Darin Adler <darin@bentspoon.com>, |
| 25 | Andy Hertzfeld <andy@eazel.com> |
| 26 | Pavel Cisler <pavel@eazel.com> |
| 27 | |
| 28 | |
| 29 | XDS support: Benedikt Meurer <benny@xfce.org> (adapted by Amos Brocco <amos.brocco@unifr.ch>) |
| 30 | |
| 31 | */ |
| 32 | |
| 33 | |
| 34 | #include <config.h> |
| 35 | #include <math.h> |
| 36 | #include <stdio.h> |
| 37 | #include <string.h> |
| 38 | |
| 39 | #include <cdk/cdkkeysyms.h> |
| 40 | #include <cdk/cdkx.h> |
| 41 | #include <ctk/ctk.h> |
| 42 | #include <glib/gi18n.h> |
| 43 | |
| 44 | #include <eel/eel-background.h> |
| 45 | #include <eel/eel-gdk-pixbuf-extensions.h> |
| 46 | #include <eel/eel-glib-extensions.h> |
| 47 | #include <eel/eel-cafe-extensions.h> |
| 48 | #include <eel/eel-graphic-effects.h> |
| 49 | #include <eel/eel-ctk-extensions.h> |
| 50 | #include <eel/eel-ctk-macros.h> |
| 51 | #include <eel/eel-stock-dialogs.h> |
| 52 | #include <eel/eel-string.h> |
| 53 | #include <eel/eel-vfs-extensions.h> |
| 54 | #include <eel/eel-canvas-rect-ellipse.h> |
| 55 | |
| 56 | #include "baul-icon-dnd.h" |
| 57 | #include "baul-debug-log.h" |
| 58 | #include "baul-file-dnd.h" |
| 59 | #include "baul-icon-private.h" |
| 60 | #include "baul-link.h" |
| 61 | #include "baul-metadata.h" |
| 62 | #include "baul-file-utilities.h" |
| 63 | #include "baul-file-changes-queue.h" |
| 64 | |
| 65 | static const CtkTargetEntry drag_types [] = |
| 66 | { |
| 67 | { BAUL_ICON_DND_CAFE_ICON_LIST_TYPE"x-special/cafe-icon-list", 0, BAUL_ICON_DND_CAFE_ICON_LIST }, |
| 68 | { BAUL_ICON_DND_URI_LIST_TYPE"text/uri-list", 0, BAUL_ICON_DND_URI_LIST }, |
| 69 | }; |
| 70 | |
| 71 | static const CtkTargetEntry drop_types [] = |
| 72 | { |
| 73 | { BAUL_ICON_DND_CAFE_ICON_LIST_TYPE"x-special/cafe-icon-list", 0, BAUL_ICON_DND_CAFE_ICON_LIST }, |
| 74 | /* prefer "_NETSCAPE_URL" over "text/uri-list" to satisfy web browsers. */ |
| 75 | { BAUL_ICON_DND_NETSCAPE_URL_TYPE"_NETSCAPE_URL", 0, BAUL_ICON_DND_NETSCAPE_URL }, |
| 76 | { BAUL_ICON_DND_URI_LIST_TYPE"text/uri-list", 0, BAUL_ICON_DND_URI_LIST }, |
| 77 | { BAUL_ICON_DND_COLOR_TYPE"application/x-color", 0, BAUL_ICON_DND_COLOR }, |
| 78 | { BAUL_ICON_DND_BGIMAGE_TYPE"property/bgimage", 0, BAUL_ICON_DND_BGIMAGE }, |
| 79 | { BAUL_ICON_DND_KEYWORD_TYPE"property/keyword", 0, BAUL_ICON_DND_KEYWORD }, |
| 80 | { BAUL_ICON_DND_RESET_BACKGROUND_TYPE"x-special/cafe-reset-background", 0, BAUL_ICON_DND_RESET_BACKGROUND }, |
| 81 | { BAUL_ICON_DND_XDNDDIRECTSAVE_TYPE"XdndDirectSave0", 0, BAUL_ICON_DND_XDNDDIRECTSAVE }, /* XDS Protocol Type */ |
| 82 | { BAUL_ICON_DND_RAW_TYPE"application/octet-stream", 0, BAUL_ICON_DND_RAW }, |
| 83 | /* Must be last: */ |
| 84 | { BAUL_ICON_DND_ROOTWINDOW_DROP_TYPE"application/x-rootwindow-drop", 0, BAUL_ICON_DND_ROOTWINDOW_DROP } |
| 85 | }; |
| 86 | static void stop_dnd_highlight (CtkWidget *widget); |
| 87 | static void dnd_highlight_queue_redraw (CtkWidget *widget); |
| 88 | |
| 89 | static CtkTargetList *drop_types_list = NULL((void*)0); |
| 90 | static CtkTargetList *drop_types_list_root = NULL((void*)0); |
| 91 | |
| 92 | static char * baul_icon_container_find_drop_target (BaulIconContainer *container, |
| 93 | CdkDragContext *context, |
| 94 | int x, int y, gboolean *icon_hit, |
| 95 | gboolean rewrite_desktop); |
| 96 | |
| 97 | static EelCanvasItem * |
| 98 | create_selection_shadow (BaulIconContainer *container, |
| 99 | GList *list) |
| 100 | { |
| 101 | EelCanvasGroup *group; |
| 102 | EelCanvas *canvas; |
| 103 | int max_x, max_y; |
| 104 | int min_x, min_y; |
| 105 | GList *p; |
| 106 | CtkAllocation allocation; |
| 107 | |
| 108 | if (list == NULL((void*)0)) |
| 109 | { |
| 110 | return NULL((void*)0); |
| 111 | } |
| 112 | |
| 113 | /* if we're only dragging a single item, don't worry about the shadow */ |
| 114 | if (list->next == NULL((void*)0)) |
| 115 | { |
| 116 | return NULL((void*)0); |
| 117 | } |
| 118 | |
| 119 | canvas = EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))); |
| 120 | ctk_widget_get_allocation (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), &allocation); |
| 121 | |
| 122 | /* Creating a big set of rectangles in the canvas can be expensive, so |
| 123 | we try to be smart and only create the maximum number of rectangles |
| 124 | that we will need, in the vertical/horizontal directions. */ |
| 125 | |
| 126 | max_x = allocation.width; |
| 127 | min_x = -max_x; |
| 128 | |
| 129 | max_y = allocation.height; |
| 130 | min_y = -max_y; |
| 131 | |
| 132 | /* Create a group, so that it's easier to move all the items around at |
| 133 | once. */ |
| 134 | group = EEL_CANVAS_GROUP((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((eel_canvas_item_new (((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((canvas->root)), ((eel_canvas_group_get_type ())))))), eel_canvas_group_get_type (), ((void*)0)))), ((eel_canvas_group_get_type ())))))) |
| 135 | (eel_canvas_item_new (EEL_CANVAS_GROUP (canvas->root),((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((eel_canvas_item_new (((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((canvas->root)), ((eel_canvas_group_get_type ())))))), eel_canvas_group_get_type (), ((void*)0)))), ((eel_canvas_group_get_type ())))))) |
| 136 | eel_canvas_group_get_type (),((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((eel_canvas_item_new (((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((canvas->root)), ((eel_canvas_group_get_type ())))))), eel_canvas_group_get_type (), ((void*)0)))), ((eel_canvas_group_get_type ())))))) |
| 137 | NULL))((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((eel_canvas_item_new (((((EelCanvasGroup*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((canvas->root)), ((eel_canvas_group_get_type ())))))), eel_canvas_group_get_type (), ((void*)0)))), ((eel_canvas_group_get_type ())))))); |
| 138 | |
| 139 | for (p = list; p != NULL((void*)0); p = p->next) |
| 140 | { |
| 141 | BaulDragSelectionItem *item; |
| 142 | int x1, y1, x2, y2; |
| 143 | CdkRGBA black = { 0, 0, 0, 1 }; |
| 144 | |
| 145 | item = p->data; |
| 146 | |
| 147 | if (!item->got_icon_position) |
| 148 | { |
| 149 | continue; |
| 150 | } |
| 151 | |
| 152 | x1 = item->icon_x; |
| 153 | y1 = item->icon_y; |
| 154 | x2 = x1 + item->icon_width; |
| 155 | y2 = y1 + item->icon_height; |
| 156 | |
| 157 | if (x2 >= min_x && x1 <= max_x && y2 >= min_y && y1 <= max_y) |
| 158 | eel_canvas_item_new |
| 159 | (group, |
| 160 | eel_canvas_rect_get_type (), |
| 161 | "x1", (double) x1, |
| 162 | "y1", (double) y1, |
| 163 | "x2", (double) x2, |
| 164 | "y2", (double) y2, |
| 165 | "outline-color-rgba", &black, |
| 166 | "outline-stippling", TRUE(!(0)), |
| 167 | "width_pixels", 1, |
| 168 | NULL((void*)0)); |
| 169 | } |
| 170 | |
| 171 | return EEL_CANVAS_ITEM (group)((((EelCanvasItem*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((group)), ((eel_canvas_item_get_type ())))))); |
| 172 | } |
| 173 | |
| 174 | /* Set the affine instead of the x and y position. |
| 175 | * Simple, and setting x and y was broken at one point. |
| 176 | */ |
| 177 | static void |
| 178 | set_shadow_position (EelCanvasItem *shadow, |
| 179 | double x, double y) |
| 180 | { |
| 181 | eel_canvas_item_set (shadow, |
| 182 | "x", x, "y", y, |
| 183 | NULL((void*)0)); |
| 184 | } |
| 185 | |
| 186 | |
| 187 | /* Source-side handling of the drag. */ |
| 188 | |
| 189 | /* iteration glue struct */ |
| 190 | typedef struct |
| 191 | { |
| 192 | gpointer iterator_context; |
| 193 | BaulDragEachSelectedItemDataGet iteratee; |
| 194 | gpointer iteratee_data; |
| 195 | } IconGetDataBinderContext; |
| 196 | |
| 197 | static void |
| 198 | canvas_rect_world_to_widget (EelCanvas *canvas, |
| 199 | EelDRect *world_rect, |
| 200 | EelIRect *widget_rect) |
| 201 | { |
| 202 | EelDRect window_rect; |
| 203 | CtkAdjustment *hadj, *vadj; |
| 204 | |
| 205 | hadj = ctk_scrollable_get_hadjustment (CTK_SCROLLABLE (canvas)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((canvas)), ((ctk_scrollable_get_type ()))))))); |
| 206 | vadj = ctk_scrollable_get_vadjustment (CTK_SCROLLABLE (canvas)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((canvas)), ((ctk_scrollable_get_type ()))))))); |
| 207 | |
| 208 | eel_canvas_world_to_window (canvas, |
| 209 | world_rect->x0, world_rect->y0, |
| 210 | &window_rect.x0, &window_rect.y0); |
| 211 | eel_canvas_world_to_window (canvas, |
| 212 | world_rect->x1, world_rect->y1, |
| 213 | &window_rect.x1, &window_rect.y1); |
| 214 | widget_rect->x0 = (int) window_rect.x0 - ctk_adjustment_get_value (hadj); |
| 215 | widget_rect->y0 = (int) window_rect.y0 - ctk_adjustment_get_value (vadj); |
| 216 | widget_rect->x1 = (int) window_rect.x1 - ctk_adjustment_get_value (hadj); |
| 217 | widget_rect->y1 = (int) window_rect.y1 - ctk_adjustment_get_value (vadj); |
| 218 | } |
| 219 | |
| 220 | static void |
| 221 | canvas_widget_to_world (EelCanvas *canvas, |
| 222 | double widget_x, double widget_y, |
| 223 | double *world_x, double *world_y) |
| 224 | { |
| 225 | eel_canvas_window_to_world (canvas, |
| 226 | widget_x + ctk_adjustment_get_value (ctk_scrollable_get_hadjustment (CTK_SCROLLABLE (canvas)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((canvas)), ((ctk_scrollable_get_type ())))))))), |
| 227 | widget_y + ctk_adjustment_get_value (ctk_scrollable_get_vadjustment (CTK_SCROLLABLE (canvas)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((canvas)), ((ctk_scrollable_get_type ())))))))), |
| 228 | world_x, world_y); |
| 229 | } |
| 230 | |
| 231 | static gboolean |
| 232 | icon_get_data_binder (BaulIcon *icon, gpointer data) |
| 233 | { |
| 234 | IconGetDataBinderContext *context; |
| 235 | EelDRect world_rect; |
| 236 | EelIRect widget_rect; |
| 237 | char *uri; |
| 238 | BaulIconContainer *container; |
| 239 | |
| 240 | context = (IconGetDataBinderContext *)data; |
| 241 | |
| 242 | g_assert (BAUL_IS_ICON_CONTAINER (context->iterator_context))do { if ((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((context->iterator_context)); GType __t = (baul_icon_container_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_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c" , 242, ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (context->iterator_context)" ); } while (0); |
| 243 | |
| 244 | container = BAUL_ICON_CONTAINER (context->iterator_context)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((context->iterator_context)), (baul_icon_container_get_type ()))))); |
| 245 | |
| 246 | world_rect = baul_icon_canvas_item_get_icon_rectangle (icon->item); |
| 247 | |
| 248 | canvas_rect_world_to_widget (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), &world_rect, &widget_rect); |
| 249 | |
| 250 | uri = baul_icon_container_get_icon_uri (container, icon); |
| 251 | if (uri == NULL((void*)0)) |
| 252 | { |
| 253 | g_warning ("no URI for one of the iterated icons"); |
| 254 | return TRUE(!(0)); |
| 255 | } |
| 256 | |
| 257 | widget_rect = eel_irect_offset_by (widget_rect, |
| 258 | - container->details->dnd_info->drag_info.start_x, |
| 259 | - container->details->dnd_info->drag_info.start_y); |
| 260 | |
| 261 | widget_rect = eel_irect_scale_by (widget_rect, |
| 262 | 1 / EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ()))))))->pixels_per_unit); |
| 263 | |
| 264 | /* pass the uri, mouse-relative x/y and icon width/height */ |
| 265 | context->iteratee (uri, |
| 266 | (int) widget_rect.x0, |
| 267 | (int) widget_rect.y0, |
| 268 | widget_rect.x1 - widget_rect.x0, |
| 269 | widget_rect.y1 - widget_rect.y0, |
| 270 | context->iteratee_data); |
| 271 | |
| 272 | g_free (uri); |
| 273 | |
| 274 | return TRUE(!(0)); |
| 275 | } |
| 276 | |
| 277 | /* Iterate over each selected icon in a BaulIconContainer, |
| 278 | * calling each_function on each. |
| 279 | */ |
| 280 | static void |
| 281 | baul_icon_container_each_selected_icon (BaulIconContainer *container, |
| 282 | gboolean (*each_function) (BaulIcon *, gpointer), gpointer data) |
| 283 | { |
| 284 | GList *p; |
| 285 | BaulIcon *icon = NULL((void*)0); |
| 286 | |
| 287 | for (p = container->details->icons; p != NULL((void*)0); p = p->next) |
| 288 | { |
| 289 | icon = p->data; |
| 290 | if (!icon->is_selected) |
| 291 | { |
| 292 | continue; |
| 293 | } |
| 294 | if (!each_function (icon, data)) |
| 295 | { |
| 296 | return; |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | /* Adaptor function used with baul_icon_container_each_selected_icon |
| 302 | * to help iterate over all selected items, passing uris, x, y, w and h |
| 303 | * values to the iteratee |
| 304 | */ |
| 305 | static void |
| 306 | each_icon_get_data_binder (BaulDragEachSelectedItemDataGet iteratee, |
| 307 | gpointer iterator_context, gpointer data) |
| 308 | { |
| 309 | IconGetDataBinderContext context; |
| 310 | BaulIconContainer *container; |
| 311 | |
| 312 | g_assert (BAUL_IS_ICON_CONTAINER (iterator_context))do { if ((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((iterator_context)); GType __t = (baul_icon_container_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_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c" , 312, ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (iterator_context)" ); } while (0); |
| 313 | container = BAUL_ICON_CONTAINER (iterator_context)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((iterator_context)), (baul_icon_container_get_type ()))))); |
| 314 | |
| 315 | context.iterator_context = iterator_context; |
| 316 | context.iteratee = iteratee; |
| 317 | context.iteratee_data = data; |
| 318 | baul_icon_container_each_selected_icon (container, icon_get_data_binder, &context); |
| 319 | } |
| 320 | |
| 321 | /* Called when the data for drag&drop is needed */ |
| 322 | static void |
| 323 | drag_data_get_callback (CtkWidget *widget, |
| 324 | CdkDragContext *context, |
| 325 | CtkSelectionData *selection_data, |
| 326 | guint info, |
| 327 | guint32 time, |
| 328 | gpointer data) |
| 329 | { |
| 330 | g_assert (widget != NULL)do { if (widget != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c", 330, ((const char*) (__func__ )), "widget != NULL"); } while (0); |
| 331 | g_assert (BAUL_IS_ICON_CONTAINER (widget))do { if ((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((widget)); GType __t = (baul_icon_container_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_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c", 331 , ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (widget)" ); } while (0); |
| 332 | g_return_if_fail (context != NULL)do { if ((context != ((void*)0))) { } else { g_return_if_fail_warning (((gchar*) 0), ((const char*) (__func__)), "context != NULL" ); return; } } while (0); |
| 333 | |
| 334 | /* Call common function from baul-drag that set's up |
| 335 | * the selection data in the right format. Pass it means to |
| 336 | * iterate all the selected icons. |
| 337 | */ |
| 338 | baul_drag_drag_data_get (widget, context, selection_data, |
| 339 | info, time, widget, each_icon_get_data_binder); |
| 340 | } |
| 341 | |
| 342 | |
| 343 | /* Target-side handling of the drag. */ |
| 344 | |
| 345 | static void |
| 346 | baul_icon_container_position_shadow (BaulIconContainer *container, |
| 347 | int x, int y) |
| 348 | { |
| 349 | EelCanvasItem *shadow; |
| 350 | double world_x, world_y; |
| 351 | |
| 352 | shadow = container->details->dnd_info->shadow; |
| 353 | if (shadow == NULL((void*)0)) |
| 354 | { |
| 355 | return; |
| 356 | } |
| 357 | |
| 358 | canvas_widget_to_world (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), x, y, |
| 359 | &world_x, &world_y); |
| 360 | |
| 361 | set_shadow_position (shadow, world_x, world_y); |
| 362 | eel_canvas_item_show (shadow); |
| 363 | } |
| 364 | |
| 365 | static void |
| 366 | baul_icon_container_dropped_icon_feedback (CtkWidget *widget, |
| 367 | CtkSelectionData *data, |
| 368 | int x, int y) |
| 369 | { |
| 370 | BaulIconContainer *container; |
| 371 | BaulIconDndInfo *dnd_info; |
| 372 | |
| 373 | container = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))); |
| 374 | dnd_info = container->details->dnd_info; |
| 375 | |
| 376 | /* Delete old selection list. */ |
| 377 | baul_drag_destroy_selection_list (dnd_info->drag_info.selection_list); |
| 378 | dnd_info->drag_info.selection_list = NULL((void*)0); |
| 379 | |
| 380 | /* Delete old shadow if any. */ |
| 381 | if (dnd_info->shadow != NULL((void*)0)) |
| 382 | { |
| 383 | /* FIXME bugzilla.gnome.org 42484: |
| 384 | * Is a destroy really sufficient here? Who does the unref? */ |
| 385 | eel_canvas_item_destroy (dnd_info->shadow); |
| 386 | } |
| 387 | |
| 388 | /* Build the selection list and the shadow. */ |
| 389 | dnd_info->drag_info.selection_list = baul_drag_build_selection_list (data); |
| 390 | dnd_info->shadow = create_selection_shadow (container, dnd_info->drag_info.selection_list); |
| 391 | baul_icon_container_position_shadow (container, x, y); |
| 392 | } |
| 393 | |
| 394 | static char * |
| 395 | get_direct_save_filename (CdkDragContext *context) |
| 396 | { |
| 397 | guchar *prop_text; |
| 398 | gint prop_len; |
| 399 | |
| 400 | if (!cdk_property_get (cdk_drag_context_get_source_window (context), cdk_atom_intern (BAUL_ICON_DND_XDNDDIRECTSAVE_TYPE"XdndDirectSave0", FALSE(0)), |
| 401 | cdk_atom_intern ("text/plain", FALSE(0)), 0, 1024, FALSE(0), NULL((void*)0), NULL((void*)0), |
| 402 | &prop_len, &prop_text)) |
| 403 | { |
| 404 | return NULL((void*)0); |
| 405 | } |
| 406 | |
| 407 | /* Zero-terminate the string */ |
| 408 | prop_text = g_realloc (prop_text, prop_len + 1); |
| 409 | prop_text[prop_len] = '\0'; |
| 410 | |
| 411 | /* Verify that the file name provided by the source is valid */ |
| 412 | if (*prop_text == '\0' || |
| 413 | strchr ((const gchar *) prop_text, G_DIR_SEPARATOR'/') != NULL((void*)0)) |
| 414 | { |
| 415 | baul_debug_log (FALSE(0), BAUL_DEBUG_LOG_DOMAIN_USER"USER", |
| 416 | "Invalid filename provided by XDS drag site"); |
| 417 | g_free (prop_text); |
| 418 | return NULL((void*)0); |
| 419 | } |
| 420 | |
| 421 | return prop_text; |
| 422 | } |
| 423 | |
| 424 | static void |
| 425 | set_direct_save_uri (CtkWidget *widget, CdkDragContext *context, BaulDragInfo *drag_info, int x, int y) |
| 426 | { |
| 427 | char *filename, *drop_target; |
| 428 | gchar *uri; |
| 429 | |
| 430 | drag_info->got_drop_data_type = TRUE(!(0)); |
| 431 | drag_info->data_type = BAUL_ICON_DND_XDNDDIRECTSAVE; |
| 432 | |
| 433 | uri = NULL((void*)0); |
| 434 | |
| 435 | filename = get_direct_save_filename (context); |
| 436 | drop_target = baul_icon_container_find_drop_target (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 437 | context, x, y, NULL((void*)0), TRUE(!(0))); |
| 438 | |
| 439 | if (drop_target && eel_uri_is_trash (drop_target)) |
| 440 | { |
| 441 | g_free (drop_target); |
| 442 | drop_target = NULL((void*)0); /* Cannot save to trash ...*/ |
| 443 | } |
| 444 | |
| 445 | if (filename != NULL((void*)0) && drop_target != NULL((void*)0)) |
| 446 | { |
| 447 | GFile *base, *child; |
| 448 | |
| 449 | /* Resolve relative path */ |
| 450 | base = g_file_new_for_uri (drop_target); |
| 451 | child = g_file_get_child (base, filename); |
| 452 | uri = g_file_get_uri (child); |
| 453 | g_object_unref (base); |
| 454 | g_object_unref (child); |
| 455 | |
| 456 | /* Change the uri property */ |
| 457 | cdk_property_change (cdk_drag_context_get_source_window (context), |
| 458 | cdk_atom_intern (BAUL_ICON_DND_XDNDDIRECTSAVE_TYPE"XdndDirectSave0", FALSE(0)), |
| 459 | cdk_atom_intern ("text/plain", FALSE(0)), 8, |
| 460 | CDK_PROP_MODE_REPLACE, (const guchar *) uri, |
| 461 | strlen (uri)); |
| 462 | |
| 463 | drag_info->direct_save_uri = uri; |
| 464 | } |
| 465 | |
| 466 | g_free (filename); |
| 467 | g_free (drop_target); |
| 468 | } |
| 469 | |
| 470 | /* FIXME bugzilla.gnome.org 47445: Needs to become a shared function */ |
| 471 | static void |
| 472 | get_data_on_first_target_we_support (CtkWidget *widget, CdkDragContext *context, guint32 time, int x, int y) |
| 473 | { |
| 474 | CtkTargetList *list; |
| 475 | CdkAtom target; |
| 476 | |
| 477 | if (drop_types_list == NULL((void*)0)) |
| 478 | { |
| 479 | drop_types_list = ctk_target_list_new (drop_types, |
| 480 | G_N_ELEMENTS (drop_types)(sizeof (drop_types) / sizeof ((drop_types)[0])) - 1); |
| 481 | ctk_target_list_add_text_targets (drop_types_list, BAUL_ICON_DND_TEXT); |
| 482 | } |
| 483 | if (drop_types_list_root == NULL((void*)0)) |
| 484 | { |
| 485 | drop_types_list_root = ctk_target_list_new (drop_types, |
| 486 | G_N_ELEMENTS (drop_types)(sizeof (drop_types) / sizeof ((drop_types)[0]))); |
| 487 | ctk_target_list_add_text_targets (drop_types_list_root, BAUL_ICON_DND_TEXT); |
| 488 | } |
| 489 | |
| 490 | if (baul_icon_container_get_is_desktop (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))))) |
| 491 | { |
| 492 | list = drop_types_list_root; |
| 493 | } |
| 494 | else |
| 495 | { |
| 496 | list = drop_types_list; |
| 497 | } |
| 498 | |
| 499 | target = ctk_drag_dest_find_target (widget, context, list); |
| 500 | if (target != CDK_NONE((CdkAtom)((gpointer) (gulong) (0)))) |
| 501 | { |
| 502 | guint info; |
| 503 | BaulDragInfo *drag_info; |
| 504 | gboolean found; |
| 505 | |
| 506 | drag_info = &(BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info->drag_info); |
| 507 | |
| 508 | found = ctk_target_list_find (list, target, &info); |
| 509 | g_assert (found)do { if (found) ; else g_assertion_message_expr (((gchar*) 0) , "baul-icon-dnd.c", 509, ((const char*) (__func__)), "found" ); } while (0); |
| 510 | |
| 511 | /* Don't get_data for destructive ops */ |
| 512 | if ((info == BAUL_ICON_DND_ROOTWINDOW_DROP || |
| 513 | info == BAUL_ICON_DND_XDNDDIRECTSAVE) && |
| 514 | !drag_info->drop_occured) |
| 515 | { |
| 516 | /* We can't call get_data here, because that would |
| 517 | make the source execute the rootwin action or the direct save */ |
| 518 | drag_info->got_drop_data_type = TRUE(!(0)); |
| 519 | drag_info->data_type = info; |
| 520 | } |
| 521 | else |
| 522 | { |
| 523 | if (info == BAUL_ICON_DND_XDNDDIRECTSAVE) |
| 524 | { |
| 525 | set_direct_save_uri (widget, context, drag_info, x, y); |
| 526 | } |
| 527 | ctk_drag_get_data (CTK_WIDGET (widget)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((widget)), ((ctk_widget_get_type ())))))), context, |
| 528 | target, time); |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | static void |
| 534 | baul_icon_container_ensure_drag_data (BaulIconContainer *container, |
| 535 | CdkDragContext *context, |
| 536 | guint32 time) |
| 537 | { |
| 538 | BaulIconDndInfo *dnd_info; |
| 539 | |
| 540 | dnd_info = container->details->dnd_info; |
| 541 | |
| 542 | if (!dnd_info->drag_info.got_drop_data_type) |
| 543 | { |
| 544 | get_data_on_first_target_we_support (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), context, time, 0, 0); |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | static void |
| 549 | drag_end_callback (CtkWidget *widget, |
| 550 | CdkDragContext *context, |
| 551 | gpointer data) |
| 552 | { |
| 553 | BaulIconContainer *container; |
| 554 | BaulIconDndInfo *dnd_info; |
| 555 | |
| 556 | container = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))); |
| 557 | dnd_info = container->details->dnd_info; |
| 558 | |
| 559 | baul_drag_destroy_selection_list (dnd_info->drag_info.selection_list); |
| 560 | dnd_info->drag_info.selection_list = NULL((void*)0); |
| 561 | } |
| 562 | |
| 563 | static BaulIcon * |
| 564 | baul_icon_container_item_at (BaulIconContainer *container, |
| 565 | int x, int y) |
| 566 | { |
| 567 | GList *p; |
| 568 | int size; |
| 569 | EelDRect point; |
| 570 | EelIRect canvas_point; |
| 571 | |
| 572 | /* build the hit-test rectangle. Base the size on the scale factor to ensure that it is |
| 573 | * non-empty even at the smallest scale factor |
| 574 | */ |
| 575 | |
| 576 | size = MAX (1, 1 + (1 / EEL_CANVAS (container)->pixels_per_unit))(((1) > (1 + (1 / ((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((container)), ((eel_canvas_get_type ()))) )))->pixels_per_unit))) ? (1) : (1 + (1 / ((((EelCanvas*) ( void *) g_type_check_instance_cast ((GTypeInstance*) ((container )), ((eel_canvas_get_type ()))))))->pixels_per_unit))); |
| 577 | point.x0 = x; |
| 578 | point.y0 = y; |
| 579 | point.x1 = x + size; |
| 580 | point.y1 = y + size; |
| 581 | |
| 582 | for (p = container->details->icons; p != NULL((void*)0); p = p->next) |
| 583 | { |
| 584 | BaulIcon *icon; |
| 585 | icon = p->data; |
| 586 | |
| 587 | eel_canvas_w2c (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), |
| 588 | point.x0, |
| 589 | point.y0, |
| 590 | &canvas_point.x0, |
| 591 | &canvas_point.y0); |
| 592 | eel_canvas_w2c (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), |
| 593 | point.x1, |
| 594 | point.y1, |
| 595 | &canvas_point.x1, |
| 596 | &canvas_point.y1); |
| 597 | if (baul_icon_canvas_item_hit_test_rectangle (icon->item, canvas_point)) |
| 598 | { |
| 599 | return icon; |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | return NULL((void*)0); |
| 604 | } |
| 605 | |
| 606 | static char * |
| 607 | get_container_uri (BaulIconContainer *container) |
| 608 | { |
| 609 | char *uri; |
| 610 | |
| 611 | /* get the URI associated with the container */ |
| 612 | uri = NULL((void*)0); |
| 613 | g_signal_emit_by_name (container, "get_container_uri", &uri); |
| 614 | return uri; |
| 615 | } |
| 616 | |
| 617 | static gboolean |
| 618 | baul_icon_container_selection_items_local (BaulIconContainer *container, |
| 619 | GList *items) |
| 620 | { |
| 621 | char *container_uri_string; |
| 622 | gboolean result; |
| 623 | |
| 624 | /* must have at least one item */ |
| 625 | g_assert (items)do { if (items) ; else g_assertion_message_expr (((gchar*) 0) , "baul-icon-dnd.c", 625, ((const char*) (__func__)), "items" ); } while (0); |
| 626 | |
| 627 | result = FALSE(0); |
| 628 | |
| 629 | /* get the URI associated with the container */ |
| 630 | container_uri_string = get_container_uri (container); |
| 631 | |
| 632 | if (eel_uri_is_desktop (container_uri_string)) |
| 633 | { |
| 634 | result = baul_drag_items_on_desktop (items); |
| 635 | } |
| 636 | else |
| 637 | { |
| 638 | result = baul_drag_items_local (container_uri_string, items); |
| 639 | } |
| 640 | g_free (container_uri_string); |
| 641 | |
| 642 | return result; |
| 643 | } |
| 644 | |
| 645 | static CdkDragAction |
| 646 | get_background_drag_action (BaulIconContainer *container, |
| 647 | CdkDragAction action) |
| 648 | { |
| 649 | /* FIXME: This function is very FMDirectoryView specific, and |
| 650 | * should be moved out of baul-icon-dnd.c */ |
| 651 | CdkDragAction valid_actions; |
| 652 | |
| 653 | if (action == CDK_ACTION_ASK) |
| 654 | { |
| 655 | valid_actions = BAUL_DND_ACTION_SET_AS_FOLDER_BACKGROUND; |
| 656 | if (!eel_background_is_desktop (eel_get_widget_background (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ()))))))))) |
| 657 | { |
| 658 | valid_actions |= BAUL_DND_ACTION_SET_AS_GLOBAL_BACKGROUND; |
| 659 | } |
| 660 | |
| 661 | action = baul_drag_drop_background_ask |
| 662 | (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), valid_actions); |
| 663 | } |
| 664 | |
| 665 | return action; |
| 666 | } |
| 667 | |
| 668 | static void |
| 669 | receive_dropped_color (BaulIconContainer *container, |
| 670 | int x, int y, |
| 671 | CdkDragAction action, |
| 672 | CtkSelectionData *data) |
| 673 | { |
| 674 | action = get_background_drag_action (container, action); |
| 675 | |
| 676 | if (action > 0) |
| 677 | { |
| 678 | char *uri; |
| 679 | |
| 680 | uri = get_container_uri (container); |
| 681 | baul_debug_log (FALSE(0), BAUL_DEBUG_LOG_DOMAIN_USER"USER", |
| 682 | "dropped color on icon container displaying %s", uri); |
| 683 | g_free (uri); |
| 684 | |
| 685 | eel_background_set_dropped_color (eel_get_widget_background (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ()))))))), |
| 686 | CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), |
| 687 | action, x, y, data); |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | /* handle dropped tile images */ |
| 692 | static void |
| 693 | receive_dropped_tile_image (BaulIconContainer *container, CdkDragAction action, CtkSelectionData *data) |
| 694 | { |
| 695 | g_assert (data != NULL)do { if (data != ((void*)0)) ; else g_assertion_message_expr ( ((gchar*) 0), "baul-icon-dnd.c", 695, ((const char*) (__func__ )), "data != NULL"); } while (0); |
| 696 | |
| 697 | action = get_background_drag_action (container, action); |
| 698 | |
| 699 | if (action > 0) |
| 700 | { |
| 701 | char *uri; |
| 702 | |
| 703 | uri = get_container_uri (container); |
| 704 | baul_debug_log (FALSE(0), BAUL_DEBUG_LOG_DOMAIN_USER"USER", |
| 705 | "dropped tile image on icon container displaying %s", uri); |
| 706 | g_free (uri); |
| 707 | |
| 708 | eel_background_set_dropped_image (eel_get_widget_background (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ()))))))), |
| 709 | action, ctk_selection_data_get_data (data)); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | /* handle dropped keywords */ |
| 714 | static void |
| 715 | receive_dropped_keyword (BaulIconContainer *container, const char *keyword, int x, int y) |
| 716 | { |
| 717 | char *uri; |
| 718 | double world_x, world_y; |
| 719 | |
| 720 | BaulIcon *drop_target_icon; |
| 721 | BaulFile *file; |
| 722 | |
| 723 | g_assert (keyword != NULL)do { if (keyword != ((void*)0)) ; else g_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c", 723, ((const char*) (__func__ )), "keyword != NULL"); } while (0); |
| 724 | |
| 725 | /* find the item we hit with our drop, if any */ |
| 726 | canvas_widget_to_world (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), x, y, &world_x, &world_y); |
| 727 | drop_target_icon = baul_icon_container_item_at (container, world_x, world_y); |
| 728 | if (drop_target_icon == NULL((void*)0)) |
| 729 | { |
| 730 | return; |
| 731 | } |
| 732 | |
| 733 | /* FIXME bugzilla.gnome.org 42485: |
| 734 | * This does not belong in the icon code. |
| 735 | * It has to be in the file manager. |
| 736 | * The icon code has no right to deal with the file directly. |
| 737 | * But luckily there's no issue of not getting a file object, |
| 738 | * so we don't have to worry about async. issues here. |
| 739 | */ |
| 740 | uri = baul_icon_container_get_icon_uri (container, drop_target_icon); |
| 741 | |
| 742 | baul_debug_log (FALSE(0), BAUL_DEBUG_LOG_DOMAIN_USER"USER", |
| 743 | "dropped emblem '%s' on icon container URI: %s", |
| 744 | keyword, uri); |
| 745 | |
| 746 | file = baul_file_get_by_uri (uri); |
| 747 | g_free (uri); |
| 748 | |
| 749 | baul_drag_file_receive_dropped_keyword (file, keyword); |
| 750 | |
| 751 | baul_file_unref (file); |
| 752 | baul_icon_container_update_icon (container, drop_target_icon); |
| 753 | } |
| 754 | |
| 755 | /* handle dropped url */ |
| 756 | static void |
| 757 | receive_dropped_netscape_url (BaulIconContainer *container, const char *encoded_url, CdkDragContext *context, int x, int y) |
| 758 | { |
| 759 | char *drop_target; |
| 760 | |
| 761 | if (encoded_url == NULL((void*)0)) |
| 762 | { |
| 763 | return; |
| 764 | } |
| 765 | |
| 766 | drop_target = baul_icon_container_find_drop_target (container, context, x, y, NULL((void*)0), TRUE(!(0))); |
| 767 | |
| 768 | g_signal_emit_by_name (container, "handle_netscape_url", |
| 769 | encoded_url, |
| 770 | drop_target, |
| 771 | cdk_drag_context_get_selected_action (context), |
| 772 | x, y); |
| 773 | |
| 774 | g_free (drop_target); |
| 775 | } |
| 776 | |
| 777 | /* handle dropped uri list */ |
| 778 | static void |
| 779 | receive_dropped_uri_list (BaulIconContainer *container, const char *uri_list, CdkDragContext *context, int x, int y) |
| 780 | { |
| 781 | char *drop_target; |
| 782 | |
| 783 | if (uri_list == NULL((void*)0)) |
| 784 | { |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | drop_target = baul_icon_container_find_drop_target (container, context, x, y, NULL((void*)0), TRUE(!(0))); |
| 789 | |
| 790 | g_signal_emit_by_name (container, "handle_uri_list", |
| 791 | uri_list, |
| 792 | drop_target, |
| 793 | cdk_drag_context_get_selected_action (context), |
| 794 | x, y); |
| 795 | |
| 796 | g_free (drop_target); |
| 797 | } |
| 798 | |
| 799 | /* handle dropped text */ |
| 800 | static void |
| 801 | receive_dropped_text (BaulIconContainer *container, const char *text, CdkDragContext *context, int x, int y) |
| 802 | { |
| 803 | char *drop_target; |
| 804 | |
| 805 | if (text == NULL((void*)0)) |
| 806 | { |
| 807 | return; |
| 808 | } |
| 809 | |
| 810 | drop_target = baul_icon_container_find_drop_target (container, context, x, y, NULL((void*)0), TRUE(!(0))); |
| 811 | |
| 812 | g_signal_emit_by_name (container, "handle_text", |
| 813 | text, |
| 814 | drop_target, |
| 815 | cdk_drag_context_get_selected_action (context), |
| 816 | x, y); |
| 817 | |
| 818 | g_free (drop_target); |
| 819 | } |
| 820 | |
| 821 | /* handle dropped raw data */ |
| 822 | static void |
| 823 | receive_dropped_raw (BaulIconContainer *container, const char *raw_data, int length, const char *direct_save_uri, CdkDragContext *context, int x, int y) |
| 824 | { |
| 825 | char *drop_target; |
| 826 | |
| 827 | if (raw_data == NULL((void*)0)) |
| 828 | { |
| 829 | return; |
| 830 | } |
| 831 | |
| 832 | drop_target = baul_icon_container_find_drop_target (container, context, x, y, NULL((void*)0), TRUE(!(0))); |
| 833 | |
| 834 | g_signal_emit_by_name (container, "handle_raw", |
| 835 | raw_data, |
| 836 | length, |
| 837 | drop_target, |
| 838 | direct_save_uri, |
| 839 | cdk_drag_context_get_selected_action (context), |
| 840 | x, y); |
| 841 | |
| 842 | g_free (drop_target); |
| 843 | } |
| 844 | |
| 845 | static int |
| 846 | auto_scroll_timeout_callback (gpointer data) |
| 847 | { |
| 848 | BaulIconContainer *container; |
| 849 | CtkWidget *widget; |
| 850 | float x_scroll_delta, y_scroll_delta; |
| 851 | CdkRectangle exposed_area; |
| 852 | CtkAllocation allocation; |
| 853 | |
| 854 | g_assert (BAUL_IS_ICON_CONTAINER (data))do { if ((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((data)); GType __t = (baul_icon_container_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_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c", 854 , ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (data)" ); } while (0); |
| 855 | widget = CTK_WIDGET (data)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((data)), ((ctk_widget_get_type ())))))); |
| 856 | container = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))); |
| 857 | |
| 858 | if (container->details->dnd_info->drag_info.waiting_to_autoscroll |
| 859 | && container->details->dnd_info->drag_info.start_auto_scroll_in > g_get_monotonic_time()) |
| 860 | { |
| 861 | /* not yet */ |
| 862 | return TRUE(!(0)); |
| 863 | } |
| 864 | |
| 865 | container->details->dnd_info->drag_info.waiting_to_autoscroll = FALSE(0); |
| 866 | |
| 867 | baul_drag_autoscroll_calculate_delta (widget, &x_scroll_delta, &y_scroll_delta); |
| 868 | if (x_scroll_delta == 0 && y_scroll_delta == 0) |
| 869 | { |
| 870 | /* no work */ |
| 871 | return TRUE(!(0)); |
| 872 | } |
| 873 | |
| 874 | /* Clear the old dnd highlight frame */ |
| 875 | dnd_highlight_queue_redraw (widget); |
| 876 | |
| 877 | if (!baul_icon_container_scroll (container, (int)x_scroll_delta, (int)y_scroll_delta)) |
| 878 | { |
| 879 | /* the scroll value got pinned to a min or max adjustment value, |
| 880 | * we ended up not scrolling |
| 881 | */ |
| 882 | return TRUE(!(0)); |
| 883 | } |
| 884 | |
| 885 | /* Make sure the dnd highlight frame is redrawn */ |
| 886 | dnd_highlight_queue_redraw (widget); |
| 887 | |
| 888 | /* update cached drag start offsets */ |
| 889 | container->details->dnd_info->drag_info.start_x -= x_scroll_delta; |
| 890 | container->details->dnd_info->drag_info.start_y -= y_scroll_delta; |
| 891 | |
| 892 | /* Due to a glitch in CtkLayout, whe need to do an explicit draw of the exposed |
| 893 | * area. |
| 894 | * Calculate the size of the area we need to draw |
| 895 | */ |
| 896 | ctk_widget_get_allocation (widget, &allocation); |
| 897 | exposed_area.x = allocation.x; |
| 898 | exposed_area.y = allocation.y; |
| 899 | exposed_area.width = allocation.width; |
| 900 | exposed_area.height = allocation.height; |
| 901 | |
| 902 | if (x_scroll_delta > 0) |
| 903 | { |
| 904 | exposed_area.x = exposed_area.width - x_scroll_delta; |
| 905 | } |
| 906 | else if (x_scroll_delta < 0) |
| 907 | { |
| 908 | exposed_area.width = -x_scroll_delta; |
| 909 | } |
| 910 | |
| 911 | if (y_scroll_delta > 0) |
| 912 | { |
| 913 | exposed_area.y = exposed_area.height - y_scroll_delta; |
| 914 | } |
| 915 | else if (y_scroll_delta < 0) |
| 916 | { |
| 917 | exposed_area.height = -y_scroll_delta; |
| 918 | } |
| 919 | |
| 920 | /* offset it to 0, 0 */ |
| 921 | exposed_area.x -= allocation.x; |
| 922 | exposed_area.y -= allocation.y; |
| 923 | |
| 924 | ctk_widget_queue_draw_area (widget, |
| 925 | exposed_area.x, |
| 926 | exposed_area.y, |
| 927 | exposed_area.width, |
| 928 | exposed_area.height); |
| 929 | |
| 930 | return TRUE(!(0)); |
| 931 | } |
| 932 | |
| 933 | static void |
| 934 | set_up_auto_scroll_if_needed (BaulIconContainer *container) |
| 935 | { |
| 936 | baul_drag_autoscroll_start (&container->details->dnd_info->drag_info, |
| 937 | CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), |
| 938 | auto_scroll_timeout_callback, |
| 939 | container); |
| 940 | } |
| 941 | |
| 942 | static void |
| 943 | stop_auto_scroll (BaulIconContainer *container) |
| 944 | { |
| 945 | baul_drag_autoscroll_stop (&container->details->dnd_info->drag_info); |
| 946 | } |
| 947 | |
| 948 | static void |
| 949 | handle_local_move (BaulIconContainer *container, |
| 950 | double world_x, double world_y) |
| 951 | { |
| 952 | GList *moved_icons, *p; |
| 953 | BaulFile *file; |
| 954 | char screen_string[32]; |
| 955 | CdkScreen *screen; |
| 956 | time_t now; |
| 957 | BaulDragSelectionItem *item = NULL((void*)0); |
| 958 | BaulIcon *icon = NULL((void*)0); |
| 959 | |
| 960 | if (container->details->auto_layout) |
| 961 | { |
| 962 | return; |
| 963 | } |
| 964 | |
| 965 | time (&now); |
| 966 | |
| 967 | /* Move and select the icons. */ |
| 968 | moved_icons = NULL((void*)0); |
| 969 | for (p = container->details->dnd_info->drag_info.selection_list; p != NULL((void*)0); p = p->next) |
| 970 | { |
| 971 | item = p->data; |
| 972 | |
| 973 | icon = baul_icon_container_get_icon_by_uri |
| 974 | (container, item->uri); |
| 975 | |
| 976 | if (icon == NULL((void*)0)) |
| 977 | { |
| 978 | /* probably dragged from another screen. Add it to |
| 979 | * this screen |
| 980 | */ |
| 981 | |
| 982 | file = baul_file_get_by_uri (item->uri); |
| 983 | |
| 984 | screen = ctk_widget_get_screen (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ()))))))); |
| 985 | g_snprintf (screen_string, sizeof (screen_string), "%d", |
| 986 | cdk_x11_screen_get_screen_number (screen)); |
| 987 | baul_file_set_metadata (file, |
| 988 | BAUL_METADATA_KEY_SCREEN"screen", |
| 989 | NULL((void*)0), screen_string); |
| 990 | baul_file_set_time_metadata (file, |
| 991 | BAUL_METADATA_KEY_ICON_POSITION_TIMESTAMP"baul-icon-position-timestamp", now); |
| 992 | |
| 993 | baul_icon_container_add (container, BAUL_ICON_CONTAINER_ICON_DATA (file)((BaulIconData *) (file))); |
| 994 | |
| 995 | icon = baul_icon_container_get_icon_by_uri |
| 996 | (container, item->uri); |
| 997 | } |
| 998 | |
| 999 | if (item->got_icon_position) |
| 1000 | { |
| 1001 | baul_icon_container_move_icon |
| 1002 | (container, icon, |
| 1003 | world_x + item->icon_x, world_y + item->icon_y, |
| 1004 | icon->scale, |
| 1005 | TRUE(!(0)), TRUE(!(0)), TRUE(!(0))); |
| 1006 | } |
| 1007 | moved_icons = g_list_prepend (moved_icons, icon); |
| 1008 | } |
| 1009 | baul_icon_container_select_list_unselect_others |
| 1010 | (container, moved_icons); |
| 1011 | /* Might have been moved in a way that requires adjusting scroll region. */ |
| 1012 | baul_icon_container_update_scroll_region (container); |
| 1013 | g_list_free (moved_icons); |
| 1014 | } |
| 1015 | |
| 1016 | static void |
| 1017 | handle_nonlocal_move (BaulIconContainer *container, |
| 1018 | CdkDragAction action, |
| 1019 | int x, int y, |
| 1020 | const char *target_uri, |
| 1021 | gboolean icon_hit) |
| 1022 | { |
| 1023 | GList *source_uris, *p; |
| 1024 | GArray *source_item_locations; |
| 1025 | gboolean free_target_uri, is_rtl; |
| 1026 | CtkAllocation allocation; |
| 1027 | |
| 1028 | if (container->details->dnd_info->drag_info.selection_list == NULL((void*)0)) |
| 1029 | { |
| 1030 | return; |
| 1031 | } |
| 1032 | |
| 1033 | source_uris = NULL((void*)0); |
| 1034 | for (p = container->details->dnd_info->drag_info.selection_list; p != NULL((void*)0); p = p->next) |
| 1035 | { |
| 1036 | /* do a shallow copy of all the uri strings of the copied files */ |
| 1037 | source_uris = g_list_prepend (source_uris, ((BaulDragSelectionItem *)p->data)->uri); |
| 1038 | } |
| 1039 | source_uris = g_list_reverse (source_uris); |
| 1040 | |
| 1041 | is_rtl = baul_icon_container_is_layout_rtl (container); |
| 1042 | |
| 1043 | source_item_locations = g_array_new (FALSE(0), TRUE(!(0)), sizeof (CdkPoint)); |
| 1044 | if (!icon_hit) |
| 1045 | { |
| 1046 | int index; |
| 1047 | |
| 1048 | /* Drop onto a container. Pass along the item points to allow placing |
| 1049 | * the items in their same relative positions in the new container. |
| 1050 | */ |
| 1051 | source_item_locations = g_array_set_size (source_item_locations, |
| 1052 | g_list_length (container->details->dnd_info->drag_info.selection_list)); |
| 1053 | |
| 1054 | for (index = 0, p = container->details->dnd_info->drag_info.selection_list; |
| 1055 | p != NULL((void*)0); index++, p = p->next) |
| 1056 | { |
| 1057 | int item_x; |
| 1058 | |
| 1059 | item_x = ((BaulDragSelectionItem *)p->data)->icon_x; |
| 1060 | if (is_rtl) |
| 1061 | item_x = -item_x - ((BaulDragSelectionItem *)p->data)->icon_width; |
| 1062 | g_array_index (source_item_locations, CdkPoint, index)(((CdkPoint*) (void *) (source_item_locations)->data) [(index )]).x = item_x; |
| 1063 | g_array_index (source_item_locations, CdkPoint, index)(((CdkPoint*) (void *) (source_item_locations)->data) [(index )]).y = |
| 1064 | ((BaulDragSelectionItem *)p->data)->icon_y; |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | free_target_uri = FALSE(0); |
| 1069 | /* Rewrite internal desktop URIs to the normal target uri */ |
| 1070 | if (eel_uri_is_desktop (target_uri)) |
| 1071 | { |
| 1072 | target_uri = baul_get_desktop_directory_uri (); |
| 1073 | free_target_uri = TRUE(!(0)); |
| 1074 | } |
| 1075 | |
| 1076 | if (is_rtl) |
| 1077 | { |
| 1078 | ctk_widget_get_allocation (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), &allocation); |
| 1079 | x = CANVAS_WIDTH (container, allocation)((allocation.width - container->details->left_margin - container ->details->right_margin) / ((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((container)), ((eel_canvas_get_type ()))) )))->pixels_per_unit) - x; |
| 1080 | } |
| 1081 | |
| 1082 | /* start the copy */ |
| 1083 | g_signal_emit_by_name (container, "move_copy_items", |
| 1084 | source_uris, |
| 1085 | source_item_locations, |
| 1086 | target_uri, |
| 1087 | action, |
| 1088 | x, y); |
| 1089 | |
| 1090 | if (free_target_uri) |
| 1091 | { |
| 1092 | g_free ((char *)target_uri); |
| 1093 | } |
| 1094 | |
| 1095 | g_list_free (source_uris); |
| 1096 | g_array_free (source_item_locations, TRUE(!(0))); |
| 1097 | } |
| 1098 | |
| 1099 | static char * |
| 1100 | baul_icon_container_find_drop_target (BaulIconContainer *container, |
| 1101 | CdkDragContext *context, |
| 1102 | int x, int y, |
| 1103 | gboolean *icon_hit, |
| 1104 | gboolean rewrite_desktop) |
| 1105 | { |
| 1106 | BaulIcon *drop_target_icon; |
| 1107 | double world_x, world_y; |
| 1108 | |
| 1109 | if (icon_hit) |
| 1110 | { |
| 1111 | *icon_hit = FALSE(0); |
| 1112 | } |
| 1113 | |
| 1114 | if (!container->details->dnd_info->drag_info.got_drop_data_type) |
| 1115 | { |
| 1116 | return NULL((void*)0); |
| 1117 | } |
| 1118 | |
| 1119 | canvas_widget_to_world (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), x, y, &world_x, &world_y); |
| 1120 | |
| 1121 | /* FIXME bugzilla.gnome.org 42485: |
| 1122 | * These "can_accept_items" tests need to be done by |
| 1123 | * the icon view, not here. This file is not supposed to know |
| 1124 | * that the target is a file. |
| 1125 | */ |
| 1126 | |
| 1127 | /* Find the item we hit with our drop, if any */ |
| 1128 | drop_target_icon = baul_icon_container_item_at (container, world_x, world_y); |
| 1129 | if (drop_target_icon != NULL((void*)0)) |
| 1130 | { |
| 1131 | char *icon_uri; |
| 1132 | |
| 1133 | icon_uri = baul_icon_container_get_icon_uri (container, drop_target_icon); |
| 1134 | if (icon_uri != NULL((void*)0)) |
| 1135 | { |
| 1136 | BaulFile *file; |
| 1137 | |
| 1138 | file = baul_file_get_by_uri (icon_uri); |
| 1139 | |
| 1140 | if (!baul_drag_can_accept_info (file, |
| 1141 | container->details->dnd_info->drag_info.data_type, |
| 1142 | container->details->dnd_info->drag_info.selection_list)) |
| 1143 | { |
| 1144 | /* the item we dropped our selection on cannot accept the items, |
| 1145 | * do the same thing as if we just dropped the items on the canvas |
| 1146 | */ |
| 1147 | drop_target_icon = NULL((void*)0); |
| 1148 | } |
| 1149 | |
| 1150 | g_free (icon_uri); |
| 1151 | baul_file_unref (file); |
| 1152 | } |
| 1153 | } |
| 1154 | |
| 1155 | if (drop_target_icon == NULL((void*)0)) |
| 1156 | { |
| 1157 | char *container_uri; |
| 1158 | |
| 1159 | if (icon_hit) |
| 1160 | { |
| 1161 | *icon_hit = FALSE(0); |
| 1162 | } |
| 1163 | |
| 1164 | container_uri = get_container_uri (container); |
| 1165 | |
| 1166 | if (rewrite_desktop && |
| 1167 | container_uri != NULL((void*)0) && |
| 1168 | eel_uri_is_desktop (container_uri)) |
| 1169 | { |
| 1170 | g_free (container_uri); |
| 1171 | container_uri = baul_get_desktop_directory_uri (); |
| 1172 | } |
| 1173 | |
| 1174 | return container_uri; |
| 1175 | } |
| 1176 | |
| 1177 | if (icon_hit) |
| 1178 | { |
| 1179 | *icon_hit = TRUE(!(0)); |
| 1180 | } |
| 1181 | return baul_icon_container_get_icon_drop_target_uri (container, drop_target_icon); |
| 1182 | } |
| 1183 | |
| 1184 | static gboolean |
| 1185 | selection_is_image_file (GList *selection_list) |
| 1186 | { |
| 1187 | const char *mime_type; |
| 1188 | BaulDragSelectionItem *selected_item; |
| 1189 | gboolean result; |
| 1190 | GFile *location; |
| 1191 | GFileInfo *info; |
| 1192 | |
| 1193 | /* Make sure only one item is selected */ |
| 1194 | if (selection_list == NULL((void*)0) || |
| 1195 | selection_list->next != NULL((void*)0)) |
| 1196 | { |
| 1197 | return FALSE(0); |
| 1198 | } |
| 1199 | |
| 1200 | selected_item = selection_list->data; |
| 1201 | |
| 1202 | mime_type = NULL((void*)0); |
| 1203 | |
| 1204 | location = g_file_new_for_uri (selected_item->uri); |
| 1205 | info = g_file_query_info (location, |
| 1206 | G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE"standard::content-type", |
| 1207 | 0, NULL((void*)0), NULL((void*)0)); |
| 1208 | if (info) |
| 1209 | { |
| 1210 | mime_type = g_file_info_get_content_type (info); |
| 1211 | } |
| 1212 | |
| 1213 | result = eel_istr_has_prefix (mime_type, "image/"); |
| 1214 | |
| 1215 | if (info) |
| 1216 | { |
| 1217 | g_object_unref (info); |
| 1218 | } |
| 1219 | g_object_unref (location); |
| 1220 | |
| 1221 | return result; |
| 1222 | } |
| 1223 | |
| 1224 | |
| 1225 | static void |
| 1226 | baul_icon_container_receive_dropped_icons (BaulIconContainer *container, |
| 1227 | CdkDragContext *context, |
| 1228 | int x, int y) |
| 1229 | { |
| 1230 | char *drop_target; |
| 1231 | gboolean local_move_only; |
| 1232 | double world_x, world_y; |
| 1233 | gboolean icon_hit; |
| 1234 | CdkDragAction action, real_action; |
| 1235 | |
| 1236 | drop_target = NULL((void*)0); |
| 1237 | |
| 1238 | if (container->details->dnd_info->drag_info.selection_list == NULL((void*)0)) |
| 1239 | { |
| 1240 | return; |
| 1241 | } |
| 1242 | |
| 1243 | real_action = cdk_drag_context_get_selected_action (context); |
| 1244 | |
| 1245 | if (real_action == CDK_ACTION_ASK) |
| 1246 | { |
| 1247 | /* FIXME bugzilla.gnome.org 42485: This belongs in FMDirectoryView, not here. */ |
| 1248 | /* Check for special case items in selection list */ |
| 1249 | if (baul_drag_selection_includes_special_link (container->details->dnd_info->drag_info.selection_list)) |
| 1250 | { |
| 1251 | /* We only want to move the trash */ |
| 1252 | action = CDK_ACTION_MOVE; |
| 1253 | } |
| 1254 | else |
| 1255 | { |
| 1256 | action = CDK_ACTION_MOVE | CDK_ACTION_COPY | CDK_ACTION_LINK; |
| 1257 | |
| 1258 | if (selection_is_image_file (container->details->dnd_info->drag_info.selection_list)) |
| 1259 | { |
| 1260 | action |= BAUL_DND_ACTION_SET_AS_BACKGROUND; |
| 1261 | } |
| 1262 | } |
| 1263 | real_action = baul_drag_drop_action_ask (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), action); |
| 1264 | } |
| 1265 | |
| 1266 | if (real_action == (CdkDragAction) BAUL_DND_ACTION_SET_AS_BACKGROUND) |
| 1267 | { |
| 1268 | BaulDragSelectionItem *selected_item; |
| 1269 | |
| 1270 | selected_item = container->details->dnd_info->drag_info.selection_list->data; |
| 1271 | eel_background_set_dropped_image (eel_get_widget_background (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ()))))))), |
| 1272 | real_action, selected_item->uri); |
| 1273 | return; |
| 1274 | } |
| 1275 | |
| 1276 | if (real_action > 0) |
| 1277 | { |
| 1278 | eel_canvas_window_to_world (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), |
| 1279 | x + ctk_adjustment_get_value (ctk_scrollable_get_hadjustment (CTK_SCROLLABLE (container)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_scrollable_get_type ())))))))), |
| 1280 | y + ctk_adjustment_get_value (ctk_scrollable_get_vadjustment (CTK_SCROLLABLE (container)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_scrollable_get_type ())))))))), |
| 1281 | &world_x, &world_y); |
| 1282 | |
| 1283 | drop_target = baul_icon_container_find_drop_target (container, |
| 1284 | context, x, y, &icon_hit, FALSE(0)); |
| 1285 | |
| 1286 | local_move_only = FALSE(0); |
| 1287 | if (!icon_hit && real_action == CDK_ACTION_MOVE) |
| 1288 | { |
| 1289 | /* we can just move the icon positions if the move ended up in |
| 1290 | * the item's parent container |
| 1291 | */ |
| 1292 | local_move_only = baul_icon_container_selection_items_local |
| 1293 | (container, container->details->dnd_info->drag_info.selection_list); |
| 1294 | } |
| 1295 | |
| 1296 | if (local_move_only) |
| 1297 | { |
| 1298 | handle_local_move (container, world_x, world_y); |
| 1299 | } |
| 1300 | else |
| 1301 | { |
| 1302 | handle_nonlocal_move (container, real_action, world_x, world_y, drop_target, icon_hit); |
| 1303 | } |
| 1304 | } |
| 1305 | |
| 1306 | g_free (drop_target); |
| 1307 | baul_drag_destroy_selection_list (container->details->dnd_info->drag_info.selection_list); |
| 1308 | container->details->dnd_info->drag_info.selection_list = NULL((void*)0); |
| 1309 | } |
| 1310 | |
| 1311 | static void |
| 1312 | baul_icon_container_get_drop_action (BaulIconContainer *container, |
| 1313 | CdkDragContext *context, |
| 1314 | int x, int y, |
| 1315 | int *action) |
| 1316 | { |
| 1317 | char *drop_target; |
| 1318 | gboolean icon_hit; |
| 1319 | BaulIcon *icon; |
| 1320 | double world_x, world_y; |
| 1321 | |
| 1322 | icon_hit = FALSE(0); |
| 1323 | if (!container->details->dnd_info->drag_info.got_drop_data_type) |
| 1324 | { |
| 1325 | /* drag_data_received_callback didn't get called yet */ |
| 1326 | return; |
| 1327 | } |
| 1328 | |
| 1329 | /* find out if we're over an icon */ |
| 1330 | canvas_widget_to_world (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), x, y, &world_x, &world_y); |
| 1331 | |
| 1332 | icon = baul_icon_container_item_at (container, world_x, world_y); |
| 1333 | |
| 1334 | *action = 0; |
| 1335 | |
| 1336 | /* case out on the type of object being dragged */ |
| 1337 | switch (container->details->dnd_info->drag_info.data_type) |
| 1338 | { |
| 1339 | case BAUL_ICON_DND_CAFE_ICON_LIST: |
| 1340 | if (container->details->dnd_info->drag_info.selection_list == NULL((void*)0)) |
| 1341 | { |
| 1342 | return; |
| 1343 | } |
| 1344 | drop_target = baul_icon_container_find_drop_target (container, |
| 1345 | context, x, y, &icon_hit, FALSE(0)); |
| 1346 | if (!drop_target) |
| 1347 | { |
| 1348 | return; |
| 1349 | } |
| 1350 | baul_drag_default_drop_action_for_icons (context, drop_target, |
| 1351 | container->details->dnd_info->drag_info.selection_list, |
| 1352 | action); |
| 1353 | g_free (drop_target); |
| 1354 | break; |
| 1355 | case BAUL_ICON_DND_URI_LIST: |
| 1356 | drop_target = baul_icon_container_find_drop_target (container, |
| 1357 | context, x, y, &icon_hit, FALSE(0)); |
| 1358 | *action = baul_drag_default_drop_action_for_uri_list (context, drop_target); |
| 1359 | |
| 1360 | g_free (drop_target); |
| 1361 | break; |
| 1362 | |
| 1363 | /* handle emblems by setting the action if we're over an object */ |
| 1364 | case BAUL_ICON_DND_KEYWORD: |
| 1365 | if (icon != NULL((void*)0)) |
| 1366 | { |
| 1367 | *action = cdk_drag_context_get_suggested_action (context); |
| 1368 | } |
| 1369 | break; |
| 1370 | |
| 1371 | case BAUL_ICON_DND_NETSCAPE_URL: |
| 1372 | *action = baul_drag_default_drop_action_for_netscape_url (context); |
| 1373 | break; |
| 1374 | |
| 1375 | case BAUL_ICON_DND_COLOR: |
| 1376 | case BAUL_ICON_DND_BGIMAGE: |
| 1377 | case BAUL_ICON_DND_RESET_BACKGROUND: |
| 1378 | case BAUL_ICON_DND_ROOTWINDOW_DROP: |
| 1379 | *action = cdk_drag_context_get_suggested_action (context); |
| 1380 | break; |
| 1381 | |
| 1382 | case BAUL_ICON_DND_TEXT: |
| 1383 | case BAUL_ICON_DND_XDNDDIRECTSAVE: |
| 1384 | case BAUL_ICON_DND_RAW: |
| 1385 | *action = CDK_ACTION_COPY; |
| 1386 | break; |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | static void |
| 1391 | set_drop_target (BaulIconContainer *container, |
| 1392 | BaulIcon *icon) |
| 1393 | { |
| 1394 | BaulIcon *old_icon; |
| 1395 | |
| 1396 | /* Check if current drop target changed, update icon drop |
| 1397 | * higlight if needed. |
| 1398 | */ |
| 1399 | old_icon = container->details->drop_target; |
| 1400 | if (icon == old_icon) |
| 1401 | { |
| 1402 | return; |
| 1403 | } |
| 1404 | |
| 1405 | /* Remember the new drop target for the next round. */ |
| 1406 | container->details->drop_target = icon; |
| 1407 | baul_icon_container_update_icon (container, old_icon); |
| 1408 | baul_icon_container_update_icon (container, icon); |
| 1409 | } |
| 1410 | |
| 1411 | static void |
| 1412 | baul_icon_dnd_update_drop_target (BaulIconContainer *container, |
| 1413 | CdkDragContext *context, |
| 1414 | int x, int y) |
| 1415 | { |
| 1416 | BaulIcon *icon; |
| 1417 | double world_x, world_y; |
| 1418 | |
| 1419 | g_assert (BAUL_IS_ICON_CONTAINER (container))do { if ((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((container)); GType __t = (baul_icon_container_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_assertion_message_expr (((gchar*) 0), "baul-icon-dnd.c" , 1419, ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (container)" ); } while (0); |
| 1420 | |
| 1421 | canvas_widget_to_world (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), x, y, &world_x, &world_y); |
| 1422 | |
| 1423 | /* Find the item we hit with our drop, if any. */ |
| 1424 | icon = baul_icon_container_item_at (container, world_x, world_y); |
| 1425 | |
| 1426 | /* FIXME bugzilla.gnome.org 42485: |
| 1427 | * These "can_accept_items" tests need to be done by |
| 1428 | * the icon view, not here. This file is not supposed to know |
| 1429 | * that the target is a file. |
| 1430 | */ |
| 1431 | |
| 1432 | /* Find if target icon accepts our drop. */ |
| 1433 | if (icon != NULL((void*)0) && (container->details->dnd_info->drag_info.data_type != BAUL_ICON_DND_KEYWORD)) |
| 1434 | { |
| 1435 | BaulFile *file; |
| 1436 | char *uri; |
| 1437 | |
| 1438 | uri = baul_icon_container_get_icon_uri (container, icon); |
| 1439 | file = baul_file_get_by_uri (uri); |
| 1440 | g_free (uri); |
| 1441 | |
| 1442 | if (!baul_drag_can_accept_info (file, |
| 1443 | container->details->dnd_info->drag_info.data_type, |
| 1444 | container->details->dnd_info->drag_info.selection_list)) |
| 1445 | { |
| 1446 | icon = NULL((void*)0); |
| 1447 | } |
| 1448 | |
| 1449 | baul_file_unref (file); |
| 1450 | } |
| 1451 | |
| 1452 | set_drop_target (container, icon); |
| 1453 | } |
| 1454 | |
| 1455 | static void |
| 1456 | baul_icon_container_free_drag_data (BaulIconContainer *container) |
| 1457 | { |
| 1458 | BaulIconDndInfo *dnd_info; |
| 1459 | |
| 1460 | dnd_info = container->details->dnd_info; |
| 1461 | |
| 1462 | dnd_info->drag_info.got_drop_data_type = FALSE(0); |
| 1463 | |
| 1464 | if (dnd_info->shadow != NULL((void*)0)) |
| 1465 | { |
| 1466 | eel_canvas_item_destroy (dnd_info->shadow); |
| 1467 | dnd_info->shadow = NULL((void*)0); |
| 1468 | } |
| 1469 | |
| 1470 | if (dnd_info->drag_info.selection_data != NULL((void*)0)) |
| 1471 | { |
| 1472 | ctk_selection_data_free (dnd_info->drag_info.selection_data); |
| 1473 | dnd_info->drag_info.selection_data = NULL((void*)0); |
| 1474 | } |
| 1475 | |
| 1476 | if (dnd_info->drag_info.direct_save_uri != NULL((void*)0)) |
| 1477 | { |
| 1478 | g_free (dnd_info->drag_info.direct_save_uri); |
| 1479 | dnd_info->drag_info.direct_save_uri = NULL((void*)0); |
| 1480 | } |
| 1481 | } |
| 1482 | |
| 1483 | static void |
| 1484 | drag_leave_callback (CtkWidget *widget, |
| 1485 | CdkDragContext *context, |
| 1486 | guint32 time, |
| 1487 | gpointer data) |
| 1488 | { |
| 1489 | BaulIconDndInfo *dnd_info; |
| 1490 | |
| 1491 | dnd_info = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info; |
| 1492 | |
| 1493 | if (dnd_info->shadow != NULL((void*)0)) |
| 1494 | eel_canvas_item_hide (dnd_info->shadow); |
| 1495 | |
| 1496 | stop_dnd_highlight (widget); |
| 1497 | |
| 1498 | set_drop_target (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), NULL((void*)0)); |
| 1499 | stop_auto_scroll (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))); |
| 1500 | baul_icon_container_free_drag_data(BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))); |
| 1501 | } |
| 1502 | |
| 1503 | static void |
| 1504 | drag_begin_callback (CtkWidget *widget, |
| 1505 | CdkDragContext *context, |
| 1506 | gpointer data) |
| 1507 | { |
| 1508 | BaulIconContainer *container; |
| 1509 | cairo_surface_t *surface; |
| 1510 | double x1, y1, x2, y2, winx, winy; |
| 1511 | int x_offset, y_offset; |
| 1512 | int start_x, start_y; |
| 1513 | |
| 1514 | container = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))); |
| 1515 | |
| 1516 | start_x = container->details->dnd_info->drag_info.start_x + |
| 1517 | ctk_adjustment_get_value (ctk_scrollable_get_hadjustment (CTK_SCROLLABLE (container)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_scrollable_get_type ())))))))); |
| 1518 | start_y = container->details->dnd_info->drag_info.start_y + |
| 1519 | ctk_adjustment_get_value (ctk_scrollable_get_vadjustment (CTK_SCROLLABLE (container)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_scrollable_get_type ())))))))); |
| 1520 | |
| 1521 | /* create a pixmap and mask to drag with */ |
| 1522 | surface = baul_icon_canvas_item_get_drag_surface (container->details->drag_icon->item); |
| 1523 | |
| 1524 | /* compute the image's offset */ |
| 1525 | eel_canvas_item_get_bounds (EEL_CANVAS_ITEM (container->details->drag_icon->item)((((EelCanvasItem*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container->details->drag_icon->item)), ((eel_canvas_item_get_type ())))))), |
| 1526 | &x1, &y1, &x2, &y2); |
| 1527 | eel_canvas_world_to_window (EEL_CANVAS (container)((((EelCanvas*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((eel_canvas_get_type ())))))), |
| 1528 | x1, y1, &winx, &winy); |
| 1529 | x_offset = start_x - winx; |
| 1530 | y_offset = start_y - winy; |
| 1531 | |
| 1532 | cairo_surface_set_device_offset (surface, -x_offset, -y_offset); |
| 1533 | ctk_drag_set_icon_surface (context, surface); |
| 1534 | cairo_surface_destroy (surface); |
| 1535 | } |
| 1536 | |
| 1537 | void |
| 1538 | baul_icon_dnd_begin_drag (BaulIconContainer *container, |
| 1539 | CdkDragAction actions, |
| 1540 | int button, |
| 1541 | CdkEventMotion *event, |
| 1542 | int start_x, |
| 1543 | int start_y) |
| 1544 | { |
| 1545 | BaulIconDndInfo *dnd_info; |
| 1546 | |
| 1547 | g_return_if_fail (BAUL_IS_ICON_CONTAINER (container))do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((container)); GType __t = (baul_icon_container_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 (((gchar*) 0 ), ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (container)" ); return; } } while (0); |
| 1548 | g_return_if_fail (event != NULL)do { if ((event != ((void*)0))) { } else { g_return_if_fail_warning (((gchar*) 0), ((const char*) (__func__)), "event != NULL"); return; } } while (0); |
| 1549 | |
| 1550 | dnd_info = container->details->dnd_info; |
| 1551 | g_return_if_fail (dnd_info != NULL)do { if ((dnd_info != ((void*)0))) { } else { g_return_if_fail_warning (((gchar*) 0), ((const char*) (__func__)), "dnd_info != NULL" ); return; } } while (0); |
| 1552 | |
| 1553 | /* Notice that the event is in bin_window coordinates, because of |
| 1554 | the way the canvas handles events. |
| 1555 | */ |
| 1556 | dnd_info->drag_info.start_x = start_x - |
| 1557 | ctk_adjustment_get_value (ctk_scrollable_get_hadjustment (CTK_SCROLLABLE (container)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_scrollable_get_type ())))))))); |
| 1558 | dnd_info->drag_info.start_y = start_y - |
| 1559 | ctk_adjustment_get_value (ctk_scrollable_get_vadjustment (CTK_SCROLLABLE (container)((((CtkScrollable*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_scrollable_get_type ())))))))); |
| 1560 | |
| 1561 | /* start the drag */ |
| 1562 | ctk_drag_begin_with_coordinates (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), |
| 1563 | dnd_info->drag_info.target_list, |
| 1564 | actions, |
| 1565 | button, |
| 1566 | (CdkEvent *) event, |
| 1567 | dnd_info->drag_info.start_x, |
| 1568 | dnd_info->drag_info.start_y); |
| 1569 | } |
| 1570 | |
| 1571 | static gboolean |
| 1572 | drag_highlight_draw (CtkWidget *widget, |
| 1573 | cairo_t *cr, |
| 1574 | gpointer user_data) |
| 1575 | { |
| 1576 | gint width, height; |
| 1577 | CdkWindow *window; |
| 1578 | CtkStyleContext *style; |
| 1579 | |
| 1580 | window = ctk_widget_get_window (widget); |
| 1581 | width = cdk_window_get_width (window); |
| 1582 | height = cdk_window_get_height (window); |
| 1583 | |
| 1584 | style = ctk_widget_get_style_context (widget); |
| 1585 | |
| 1586 | ctk_style_context_save (style); |
| 1587 | ctk_style_context_add_class (style, CTK_STYLE_CLASS_DND"dnd"); |
| 1588 | ctk_style_context_set_state (style, CTK_STATE_FLAG_FOCUSED); |
| 1589 | |
| 1590 | ctk_render_frame (style, |
| 1591 | cr, |
| 1592 | 0, 0, width, height); |
| 1593 | |
| 1594 | ctk_style_context_restore (style); |
| 1595 | |
| 1596 | return FALSE(0); |
| 1597 | } |
| 1598 | |
| 1599 | /* Queue a redraw of the dnd highlight rect */ |
| 1600 | static void |
| 1601 | dnd_highlight_queue_redraw (CtkWidget *widget) |
| 1602 | { |
| 1603 | BaulIconDndInfo *dnd_info; |
| 1604 | int width, height; |
| 1605 | CtkAllocation allocation; |
| 1606 | |
| 1607 | dnd_info = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info; |
| 1608 | |
| 1609 | if (!dnd_info->highlighted) |
| 1610 | { |
| 1611 | return; |
| 1612 | } |
| 1613 | |
| 1614 | ctk_widget_get_allocation (widget, &allocation); |
| 1615 | width = allocation.width; |
| 1616 | height = allocation.height; |
| 1617 | |
| 1618 | /* we don't know how wide the shadow is exactly, |
| 1619 | * so we expose a 10-pixel wide border |
| 1620 | */ |
| 1621 | ctk_widget_queue_draw_area (widget, |
| 1622 | 0, 0, |
| 1623 | width, 10); |
| 1624 | ctk_widget_queue_draw_area (widget, |
| 1625 | 0, 0, |
| 1626 | 10, height); |
| 1627 | ctk_widget_queue_draw_area (widget, |
| 1628 | 0, height - 10, |
| 1629 | width, 10); |
| 1630 | ctk_widget_queue_draw_area (widget, |
| 1631 | width - 10, 0, |
| 1632 | 10, height); |
| 1633 | } |
| 1634 | |
| 1635 | static void |
| 1636 | start_dnd_highlight (CtkWidget *widget) |
| 1637 | { |
| 1638 | BaulIconDndInfo *dnd_info; |
| 1639 | CtkWidget *toplevel; |
| 1640 | |
| 1641 | dnd_info = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info; |
| 1642 | |
| 1643 | toplevel = ctk_widget_get_toplevel (widget); |
| 1644 | if (toplevel != NULL((void*)0) && |
| 1645 | g_object_get_data (G_OBJECT (toplevel)((((GObject*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((toplevel)), (((GType) ((20) << (2)))))))), "is_desktop_window")) |
| 1646 | { |
| 1647 | return; |
| 1648 | } |
| 1649 | |
| 1650 | if (!dnd_info->highlighted) |
| 1651 | { |
| 1652 | dnd_info->highlighted = TRUE(!(0)); |
| 1653 | g_signal_connect_after (widget, "draw",g_signal_connect_data ((widget), ("draw"), (((GCallback) (drag_highlight_draw ))), (((void*)0)), ((void*)0), G_CONNECT_AFTER) |
| 1654 | G_CALLBACK (drag_highlight_draw),g_signal_connect_data ((widget), ("draw"), (((GCallback) (drag_highlight_draw ))), (((void*)0)), ((void*)0), G_CONNECT_AFTER) |
| 1655 | NULL)g_signal_connect_data ((widget), ("draw"), (((GCallback) (drag_highlight_draw ))), (((void*)0)), ((void*)0), G_CONNECT_AFTER); |
| 1656 | dnd_highlight_queue_redraw (widget); |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | static void |
| 1661 | stop_dnd_highlight (CtkWidget *widget) |
| 1662 | { |
| 1663 | BaulIconDndInfo *dnd_info; |
| 1664 | |
| 1665 | dnd_info = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info; |
| 1666 | |
| 1667 | if (dnd_info->highlighted) |
| 1668 | { |
| 1669 | g_signal_handlers_disconnect_by_func (widget,g_signal_handlers_disconnect_matched ((widget), (GSignalMatchType ) (G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA), 0, 0, ((void*) 0), (drag_highlight_draw), (((void*)0))) |
| 1670 | drag_highlight_draw,g_signal_handlers_disconnect_matched ((widget), (GSignalMatchType ) (G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA), 0, 0, ((void*) 0), (drag_highlight_draw), (((void*)0))) |
| 1671 | NULL)g_signal_handlers_disconnect_matched ((widget), (GSignalMatchType ) (G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA), 0, 0, ((void*) 0), (drag_highlight_draw), (((void*)0))); |
| 1672 | dnd_highlight_queue_redraw (widget); |
| 1673 | dnd_info->highlighted = FALSE(0); |
| 1674 | } |
| 1675 | } |
| 1676 | |
| 1677 | static gboolean |
| 1678 | drag_motion_callback (CtkWidget *widget, |
| 1679 | CdkDragContext *context, |
| 1680 | int x, int y, |
| 1681 | guint32 time) |
| 1682 | { |
| 1683 | int action; |
| 1684 | |
| 1685 | baul_icon_container_ensure_drag_data (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), context, time); |
| 1686 | baul_icon_container_position_shadow (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), x, y); |
| 1687 | baul_icon_dnd_update_drop_target (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), context, x, y); |
| 1688 | set_up_auto_scroll_if_needed (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))); |
| 1689 | /* Find out what the drop actions are based on our drag selection and |
| 1690 | * the drop target. |
| 1691 | */ |
| 1692 | action = 0; |
| 1693 | baul_icon_container_get_drop_action (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), context, x, y, |
| 1694 | &action); |
| 1695 | if (action != 0) |
| 1696 | { |
| 1697 | start_dnd_highlight (widget); |
| 1698 | } |
| 1699 | |
| 1700 | cdk_drag_status (context, action, time); |
| 1701 | |
| 1702 | return TRUE(!(0)); |
| 1703 | } |
| 1704 | |
| 1705 | static gboolean |
| 1706 | drag_drop_callback (CtkWidget *widget, |
| 1707 | CdkDragContext *context, |
| 1708 | int x, |
| 1709 | int y, |
| 1710 | guint32 time, |
| 1711 | gpointer data) |
| 1712 | { |
| 1713 | BaulIconDndInfo *dnd_info; |
| 1714 | |
| 1715 | dnd_info = BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info; |
| 1716 | |
| 1717 | /* tell the drag_data_received callback that |
| 1718 | the drop occured and that it can actually |
| 1719 | process the actions. |
| 1720 | make sure it is going to be called at least once. |
| 1721 | */ |
| 1722 | dnd_info->drag_info.drop_occured = TRUE(!(0)); |
| 1723 | |
| 1724 | get_data_on_first_target_we_support (widget, context, time, x, y); |
| 1725 | |
| 1726 | return TRUE(!(0)); |
| 1727 | } |
| 1728 | |
| 1729 | void |
| 1730 | baul_icon_dnd_end_drag (BaulIconContainer *container) |
| 1731 | { |
| 1732 | BaulIconDndInfo *dnd_info; |
| 1733 | |
| 1734 | g_return_if_fail (BAUL_IS_ICON_CONTAINER (container))do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((container)); GType __t = (baul_icon_container_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 (((gchar*) 0 ), ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (container)" ); return; } } while (0); |
| 1735 | |
| 1736 | dnd_info = container->details->dnd_info; |
| 1737 | g_return_if_fail (dnd_info != NULL)do { if ((dnd_info != ((void*)0))) { } else { g_return_if_fail_warning (((gchar*) 0), ((const char*) (__func__)), "dnd_info != NULL" ); return; } } while (0); |
| 1738 | stop_auto_scroll (container); |
| 1739 | /* Do nothing. |
| 1740 | * Can that possibly be right? |
| 1741 | */ |
| 1742 | } |
| 1743 | |
| 1744 | /** this callback is called in 2 cases. |
| 1745 | It is called upon drag_motion events to get the actual data |
| 1746 | In that case, it just makes sure it gets the data. |
| 1747 | It is called upon drop_drop events to execute the actual |
| 1748 | actions on the received action. In that case, it actually first makes sure |
| 1749 | that we have got the data then processes it. |
| 1750 | */ |
| 1751 | |
| 1752 | static void |
| 1753 | drag_data_received_callback (CtkWidget *widget, |
| 1754 | CdkDragContext *context, |
| 1755 | int x, |
| 1756 | int y, |
| 1757 | CtkSelectionData *data, |
| 1758 | guint info, |
| 1759 | guint32 time, |
| 1760 | gpointer user_data) |
| 1761 | { |
| 1762 | BaulDragInfo *drag_info; |
| 1763 | gboolean success; |
| 1764 | |
| 1765 | drag_info = &(BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))->details->dnd_info->drag_info); |
| 1766 | |
| 1767 | drag_info->got_drop_data_type = TRUE(!(0)); |
| 1768 | drag_info->data_type = info; |
| 1769 | |
| 1770 | switch (info) |
| 1771 | { |
| 1772 | case BAUL_ICON_DND_CAFE_ICON_LIST: |
| 1773 | baul_icon_container_dropped_icon_feedback (widget, data, x, y); |
| 1774 | break; |
| 1775 | case BAUL_ICON_DND_COLOR: |
| 1776 | case BAUL_ICON_DND_BGIMAGE: |
| 1777 | case BAUL_ICON_DND_KEYWORD: |
| 1778 | case BAUL_ICON_DND_URI_LIST: |
| 1779 | case BAUL_ICON_DND_TEXT: |
| 1780 | case BAUL_ICON_DND_RESET_BACKGROUND: |
| 1781 | case BAUL_ICON_DND_XDNDDIRECTSAVE: |
| 1782 | case BAUL_ICON_DND_RAW: |
| 1783 | /* Save the data so we can do the actual work on drop. */ |
| 1784 | if (drag_info->selection_data != NULL((void*)0)) |
| 1785 | { |
| 1786 | ctk_selection_data_free (drag_info->selection_data); |
| 1787 | } |
| 1788 | drag_info->selection_data = ctk_selection_data_copy (data); |
| 1789 | break; |
| 1790 | |
| 1791 | /* Netscape keeps sending us the data, even though we accept the first drag */ |
| 1792 | case BAUL_ICON_DND_NETSCAPE_URL: |
| 1793 | if (drag_info->selection_data != NULL((void*)0)) |
| 1794 | { |
| 1795 | ctk_selection_data_free (drag_info->selection_data); |
| 1796 | drag_info->selection_data = ctk_selection_data_copy (data); |
| 1797 | } |
| 1798 | break; |
| 1799 | case BAUL_ICON_DND_ROOTWINDOW_DROP: |
| 1800 | /* Do nothing, this won't even happen, since we don't want to call get_data twice */ |
| 1801 | break; |
| 1802 | } |
| 1803 | |
| 1804 | /* this is the second use case of this callback. |
| 1805 | * we have to do the actual work for the drop. |
| 1806 | */ |
| 1807 | if (drag_info->drop_occured) |
| 1808 | { |
| 1809 | EelBackground *background; |
| 1810 | char *tmp; |
| 1811 | const char *tmp_raw; |
| 1812 | int length; |
| 1813 | |
| 1814 | success = FALSE(0); |
| 1815 | switch (info) |
| 1816 | { |
| 1817 | case BAUL_ICON_DND_CAFE_ICON_LIST: |
| 1818 | baul_icon_container_receive_dropped_icons |
| 1819 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1820 | context, x, y); |
| 1821 | break; |
| 1822 | case BAUL_ICON_DND_COLOR: |
| 1823 | receive_dropped_color (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1824 | x, y, |
| 1825 | cdk_drag_context_get_selected_action (context), |
| 1826 | data); |
| 1827 | success = TRUE(!(0)); |
| 1828 | break; |
| 1829 | case BAUL_ICON_DND_BGIMAGE: |
| 1830 | receive_dropped_tile_image |
| 1831 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1832 | cdk_drag_context_get_selected_action (context), |
| 1833 | data); |
| 1834 | break; |
| 1835 | case BAUL_ICON_DND_KEYWORD: |
| 1836 | receive_dropped_keyword |
| 1837 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1838 | (char *) ctk_selection_data_get_data (data), x, y); |
| 1839 | break; |
| 1840 | case BAUL_ICON_DND_NETSCAPE_URL: |
| 1841 | receive_dropped_netscape_url |
| 1842 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1843 | (char *) ctk_selection_data_get_data (data), context, x, y); |
| 1844 | success = TRUE(!(0)); |
| 1845 | break; |
| 1846 | case BAUL_ICON_DND_URI_LIST: |
| 1847 | receive_dropped_uri_list |
| 1848 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1849 | (char *) ctk_selection_data_get_data (data), context, x, y); |
| 1850 | success = TRUE(!(0)); |
| 1851 | break; |
| 1852 | case BAUL_ICON_DND_TEXT: |
| 1853 | tmp = ctk_selection_data_get_text (data); |
| 1854 | receive_dropped_text |
| 1855 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1856 | (char *) tmp, context, x, y); |
| 1857 | success = TRUE(!(0)); |
| 1858 | g_free (tmp); |
| 1859 | break; |
| 1860 | case BAUL_ICON_DND_RAW: |
| 1861 | length = ctk_selection_data_get_length (data); |
| 1862 | tmp_raw = ctk_selection_data_get_data (data); |
| 1863 | receive_dropped_raw |
| 1864 | (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), |
| 1865 | tmp_raw, length, drag_info->direct_save_uri, |
| 1866 | context, x, y); |
| 1867 | success = TRUE(!(0)); |
| 1868 | break; |
| 1869 | case BAUL_ICON_DND_RESET_BACKGROUND: |
| 1870 | background = eel_get_widget_background (widget); |
| 1871 | if (background != NULL((void*)0)) |
| 1872 | { |
| 1873 | eel_background_reset (background); |
| 1874 | } |
| 1875 | ctk_drag_finish (context, FALSE(0), FALSE(0), time); |
| 1876 | break; |
| 1877 | case BAUL_ICON_DND_ROOTWINDOW_DROP: |
| 1878 | /* Do nothing, everything is done by the sender */ |
| 1879 | break; |
| 1880 | case BAUL_ICON_DND_XDNDDIRECTSAVE: |
| 1881 | { |
| 1882 | const guchar *selection_data; |
| 1883 | gint selection_length; |
| 1884 | gint selection_format; |
| 1885 | |
| 1886 | selection_data = ctk_selection_data_get_data (drag_info->selection_data); |
| 1887 | selection_length = ctk_selection_data_get_length (drag_info->selection_data); |
| 1888 | selection_format = ctk_selection_data_get_format (drag_info->selection_data); |
| 1889 | |
| 1890 | if (selection_format == 8 && |
| 1891 | selection_length == 1 && |
| 1892 | selection_data[0] == 'F') |
| 1893 | { |
| 1894 | ctk_drag_get_data (widget, context, |
| 1895 | cdk_atom_intern (BAUL_ICON_DND_RAW_TYPE"application/octet-stream", |
| 1896 | FALSE(0)), |
| 1897 | time); |
| 1898 | return; |
| 1899 | } |
| 1900 | else if (selection_format == 8 && |
| 1901 | selection_length == 1 && |
| 1902 | selection_data[0] == 'F' && |
| 1903 | drag_info->direct_save_uri != NULL((void*)0)) |
This statement is never executed | |
| 1904 | { |
| 1905 | CdkPoint p; |
| 1906 | GFile *location; |
| 1907 | |
| 1908 | location = g_file_new_for_uri (drag_info->direct_save_uri); |
| 1909 | |
| 1910 | baul_file_changes_queue_file_added (location); |
| 1911 | p.x = x; |
| 1912 | p.y = y; |
| 1913 | baul_file_changes_queue_schedule_position_set ( |
| 1914 | location, |
| 1915 | p, |
| 1916 | cdk_x11_screen_get_screen_number ( |
| 1917 | ctk_widget_get_screen (widget))); |
| 1918 | g_object_unref (location); |
| 1919 | baul_file_changes_consume_changes (TRUE(!(0))); |
| 1920 | success = TRUE(!(0)); |
| 1921 | } |
| 1922 | break; |
| 1923 | } /* BAUL_ICON_DND_XDNDDIRECTSAVE */ |
| 1924 | } |
| 1925 | ctk_drag_finish (context, success, FALSE(0), time); |
| 1926 | |
| 1927 | baul_icon_container_free_drag_data (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) ))))); |
| 1928 | |
| 1929 | set_drop_target (BAUL_ICON_CONTAINER (widget)((((BaulIconContainer*) (void *) g_type_check_instance_cast ( (GTypeInstance*) ((widget)), (baul_icon_container_get_type()) )))), NULL((void*)0)); |
| 1930 | |
| 1931 | /* reinitialise it for the next dnd */ |
| 1932 | drag_info->drop_occured = FALSE(0); |
| 1933 | } |
| 1934 | |
| 1935 | } |
| 1936 | |
| 1937 | void |
| 1938 | baul_icon_dnd_init (BaulIconContainer *container) |
| 1939 | { |
| 1940 | CtkTargetList *targets; |
| 1941 | int n_elements; |
| 1942 | |
| 1943 | g_return_if_fail (container != NULL)do { if ((container != ((void*)0))) { } else { g_return_if_fail_warning (((gchar*) 0), ((const char*) (__func__)), "container != NULL" ); return; } } while (0); |
| 1944 | g_return_if_fail (BAUL_IS_ICON_CONTAINER (container))do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((container)); GType __t = (baul_icon_container_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 (((gchar*) 0 ), ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (container)" ); return; } } while (0); |
| 1945 | |
| 1946 | |
| 1947 | container->details->dnd_info = g_new0 (BaulIconDndInfo, 1)((BaulIconDndInfo *) g_malloc0_n ((1), sizeof (BaulIconDndInfo ))); |
| 1948 | baul_drag_init (&container->details->dnd_info->drag_info, |
| 1949 | drag_types, G_N_ELEMENTS (drag_types)(sizeof (drag_types) / sizeof ((drag_types)[0])), TRUE(!(0))); |
| 1950 | |
| 1951 | /* Set up the widget as a drag destination. |
| 1952 | * (But not a source, as drags starting from this widget will be |
| 1953 | * implemented by dealing with events manually.) |
| 1954 | */ |
| 1955 | n_elements = G_N_ELEMENTS (drop_types)(sizeof (drop_types) / sizeof ((drop_types)[0])); |
| 1956 | if (!baul_icon_container_get_is_desktop (container)) |
| 1957 | { |
| 1958 | /* Don't set up rootwindow drop */ |
| 1959 | n_elements -= 1; |
| 1960 | } |
| 1961 | ctk_drag_dest_set (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ())))))), |
| 1962 | 0, |
| 1963 | drop_types, n_elements, |
| 1964 | CDK_ACTION_COPY | CDK_ACTION_MOVE | CDK_ACTION_LINK | CDK_ACTION_ASK); |
| 1965 | |
| 1966 | targets = ctk_drag_dest_get_target_list (CTK_WIDGET (container)((((CtkWidget*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((container)), ((ctk_widget_get_type ()))))))); |
| 1967 | ctk_target_list_add_text_targets (targets, BAUL_ICON_DND_TEXT); |
| 1968 | |
| 1969 | |
| 1970 | /* Messages for outgoing drag. */ |
| 1971 | g_signal_connect (container, "drag_begin",g_signal_connect_data ((container), ("drag_begin"), (((GCallback ) (drag_begin_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0) |
| 1972 | G_CALLBACK (drag_begin_callback), NULL)g_signal_connect_data ((container), ("drag_begin"), (((GCallback ) (drag_begin_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0); |
| 1973 | g_signal_connect (container, "drag_data_get",g_signal_connect_data ((container), ("drag_data_get"), (((GCallback ) (drag_data_get_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0) |
| 1974 | G_CALLBACK (drag_data_get_callback), NULL)g_signal_connect_data ((container), ("drag_data_get"), (((GCallback ) (drag_data_get_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0); |
| 1975 | g_signal_connect (container, "drag_end",g_signal_connect_data ((container), ("drag_end"), (((GCallback ) (drag_end_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0) |
| 1976 | G_CALLBACK (drag_end_callback), NULL)g_signal_connect_data ((container), ("drag_end"), (((GCallback ) (drag_end_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0); |
| 1977 | |
| 1978 | /* Messages for incoming drag. */ |
| 1979 | g_signal_connect (container, "drag_data_received",g_signal_connect_data ((container), ("drag_data_received"), ( ((GCallback) (drag_data_received_callback))), (((void*)0)), ( (void*)0), (GConnectFlags) 0) |
| 1980 | G_CALLBACK (drag_data_received_callback), NULL)g_signal_connect_data ((container), ("drag_data_received"), ( ((GCallback) (drag_data_received_callback))), (((void*)0)), ( (void*)0), (GConnectFlags) 0); |
| 1981 | g_signal_connect (container, "drag_motion",g_signal_connect_data ((container), ("drag_motion"), (((GCallback ) (drag_motion_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0) |
| 1982 | G_CALLBACK (drag_motion_callback), NULL)g_signal_connect_data ((container), ("drag_motion"), (((GCallback ) (drag_motion_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0); |
| 1983 | g_signal_connect (container, "drag_drop",g_signal_connect_data ((container), ("drag_drop"), (((GCallback ) (drag_drop_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0) |
| 1984 | G_CALLBACK (drag_drop_callback), NULL)g_signal_connect_data ((container), ("drag_drop"), (((GCallback ) (drag_drop_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0); |
| 1985 | g_signal_connect (container, "drag_leave",g_signal_connect_data ((container), ("drag_leave"), (((GCallback ) (drag_leave_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0) |
| 1986 | G_CALLBACK (drag_leave_callback), NULL)g_signal_connect_data ((container), ("drag_leave"), (((GCallback ) (drag_leave_callback))), (((void*)0)), ((void*)0), (GConnectFlags ) 0); |
| 1987 | } |
| 1988 | |
| 1989 | void |
| 1990 | baul_icon_dnd_fini (BaulIconContainer *container) |
| 1991 | { |
| 1992 | g_return_if_fail (BAUL_IS_ICON_CONTAINER (container))do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((container)); GType __t = (baul_icon_container_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 (((gchar*) 0 ), ((const char*) (__func__)), "BAUL_IS_ICON_CONTAINER (container)" ); return; } } while (0); |
| 1993 | |
| 1994 | if (container->details->dnd_info != NULL((void*)0)) |
| 1995 | { |
| 1996 | stop_auto_scroll (container); |
| 1997 | |
| 1998 | baul_drag_finalize (&container->details->dnd_info->drag_info); |
| 1999 | container->details->dnd_info = NULL((void*)0); |
| 2000 | } |
| 2001 | } |