| File: | cdk/x11/cdkkeys-x11.c |
| Warning: | line 894, column 15 Casting a non-structure type to a structure type and accessing a field can lead to memory access errors or data corruption |
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| 1 | /* CDK - The GIMP Drawing Kit |
| 2 | * Copyright (C) 2000 Red Hat, Inc. |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * Modified by the CTK+ Team and others 1997-2000. See the AUTHORS |
| 20 | * file for a list of people on the CTK+ Team. See the ChangeLog |
| 21 | * files for a list of changes. These files are distributed with |
| 22 | * CTK+ at ftp://ftp.ctk.org/pub/ctk/. |
| 23 | */ |
| 24 | |
| 25 | #include "config.h" |
| 26 | |
| 27 | #include "cdkx11keys.h" |
| 28 | #include "cdkkeysprivate.h" |
| 29 | #include "cdkkeysyms.h" |
| 30 | #include "cdkprivate-x11.h" |
| 31 | #include "cdkdisplay-x11.h" |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <string.h> |
| 36 | #include <unistd.h> |
| 37 | #include <limits.h> |
| 38 | #include <errno(*__errno_location ()).h> |
| 39 | |
| 40 | #ifdef HAVE_XKB1 |
| 41 | #include <X11/XKBlib.h> |
| 42 | |
| 43 | /* OSF-4.0 is apparently missing this macro |
| 44 | */ |
| 45 | # ifndef XkbKeySymEntry |
| 46 | # define XkbKeySymEntry(d,k,sl,g)((((&((d)->map)->syms[(((d)->map)->key_sym_map [(k)].offset)]))[((((((d)->map)->key_sym_map[k].width)) *(g))+(sl))])) \ |
| 47 | (XkbKeySym(d,k,((XkbKeyGroupsWidth(d,k)*(g))+(sl)))(((&((d)->map)->syms[(((d)->map)->key_sym_map [(k)].offset)]))[((((((d)->map)->key_sym_map[k].width)) *(g))+(sl))])) |
| 48 | # endif |
| 49 | #endif /* HAVE_XKB */ |
| 50 | |
| 51 | typedef struct _DirectionCacheEntry DirectionCacheEntry; |
| 52 | |
| 53 | struct _DirectionCacheEntry |
| 54 | { |
| 55 | guint serial; |
| 56 | Atom group_atom; |
| 57 | PangoDirection direction; |
| 58 | }; |
| 59 | |
| 60 | struct _CdkX11Keymap |
| 61 | { |
| 62 | CdkKeymap parent_instance; |
| 63 | |
| 64 | gint min_keycode; |
| 65 | gint max_keycode; |
| 66 | KeySym* keymap; |
| 67 | gint keysyms_per_keycode; |
| 68 | XModifierKeymap* mod_keymap; |
| 69 | guint lock_keysym; |
| 70 | CdkModifierType group_switch_mask; |
| 71 | CdkModifierType num_lock_mask; |
| 72 | CdkModifierType scroll_lock_mask; |
| 73 | CdkModifierType modmap[8]; |
| 74 | PangoDirection current_direction; |
| 75 | guint have_direction : 1; |
| 76 | guint have_lock_state : 1; |
| 77 | guint caps_lock_state : 1; |
| 78 | guint num_lock_state : 1; |
| 79 | guint scroll_lock_state : 1; |
| 80 | guint modifier_state; |
| 81 | guint current_serial; |
| 82 | |
| 83 | #ifdef HAVE_XKB1 |
| 84 | XkbDescPtr xkb_desc; |
| 85 | /* We cache the directions */ |
| 86 | Atom current_group_atom; |
| 87 | guint current_cache_serial; |
| 88 | /* A cache of size four should be more than enough, people usually |
| 89 | * have two groups around, and the xkb limit is four. It still |
| 90 | * works correct for more than four groups. It's just the |
| 91 | * cache. |
| 92 | */ |
| 93 | DirectionCacheEntry group_direction_cache[4]; |
| 94 | #endif |
| 95 | }; |
| 96 | |
| 97 | struct _CdkX11KeymapClass |
| 98 | { |
| 99 | CdkKeymapClass parent_class; |
| 100 | }; |
| 101 | |
| 102 | #define KEYMAP_USE_XKB(keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb CDK_X11_DISPLAY ((keymap)->display)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb |
| 103 | #define KEYMAP_XDISPLAY(keymap)(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->xdisplay) CDK_DISPLAY_XDISPLAY ((keymap)->display)(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->xdisplay) |
| 104 | |
| 105 | G_DEFINE_TYPE (CdkX11Keymap, cdk_x11_keymap, CDK_TYPE_KEYMAP)static void cdk_x11_keymap_init (CdkX11Keymap *self); static void cdk_x11_keymap_class_init (CdkX11KeymapClass *klass); static GType cdk_x11_keymap_get_type_once (void); static gpointer cdk_x11_keymap_parent_class = ((void*)0); static gint CdkX11Keymap_private_offset; static void cdk_x11_keymap_class_intern_init (gpointer klass) { cdk_x11_keymap_parent_class = g_type_class_peek_parent (klass); if (CdkX11Keymap_private_offset != 0) g_type_class_adjust_private_offset (klass, &CdkX11Keymap_private_offset ); cdk_x11_keymap_class_init ((CdkX11KeymapClass*) klass); } __attribute__ ((__unused__)) static inline gpointer cdk_x11_keymap_get_instance_private (CdkX11Keymap *self) { return (((gpointer) ((guint8*) (self) + (glong) (CdkX11Keymap_private_offset)))); } GType cdk_x11_keymap_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); (void) ( 0 ? (gpointer) * (&static_g_define_type_id) : ((void*)0)) ; (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id ) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = cdk_x11_keymap_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType cdk_x11_keymap_get_type_once (void ) { GType g_define_type_id = g_type_register_static_simple (( cdk_keymap_get_type ()), g_intern_static_string ("CdkX11Keymap" ), sizeof (CdkX11KeymapClass), (GClassInitFunc)(void (*)(void )) cdk_x11_keymap_class_intern_init, sizeof (CdkX11Keymap), ( GInstanceInitFunc)(void (*)(void)) cdk_x11_keymap_init, (GTypeFlags ) 0); { {{};} } return g_define_type_id; } |
| 106 | |
| 107 | static void |
| 108 | cdk_x11_keymap_init (CdkX11Keymap *keymap) |
| 109 | { |
| 110 | keymap->min_keycode = 0; |
| 111 | keymap->max_keycode = 0; |
| 112 | |
| 113 | keymap->keymap = NULL((void*)0); |
| 114 | keymap->keysyms_per_keycode = 0; |
| 115 | keymap->mod_keymap = NULL((void*)0); |
| 116 | |
| 117 | keymap->num_lock_mask = 0; |
| 118 | keymap->scroll_lock_mask = 0; |
| 119 | keymap->group_switch_mask = 0; |
| 120 | keymap->lock_keysym = CDK_KEY_Caps_Lock0xffe5; |
| 121 | keymap->have_direction = FALSE(0); |
| 122 | keymap->have_lock_state = FALSE(0); |
| 123 | keymap->current_serial = 0; |
| 124 | |
| 125 | #ifdef HAVE_XKB1 |
| 126 | keymap->xkb_desc = NULL((void*)0); |
| 127 | keymap->current_group_atom = 0; |
| 128 | keymap->current_cache_serial = 0; |
| 129 | #endif |
| 130 | |
| 131 | } |
| 132 | |
| 133 | static void |
| 134 | cdk_x11_keymap_finalize (GObject *object) |
| 135 | { |
| 136 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (object)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((object)), ((cdk_x11_keymap_get_type())))))); |
| 137 | |
| 138 | if (keymap_x11->keymap) |
| 139 | XFree (keymap_x11->keymap); |
| 140 | |
| 141 | if (keymap_x11->mod_keymap) |
| 142 | XFreeModifiermap (keymap_x11->mod_keymap); |
| 143 | |
| 144 | #ifdef HAVE_XKB1 |
| 145 | if (keymap_x11->xkb_desc) |
| 146 | XkbFreeKeyboard (keymap_x11->xkb_desc, XkbAllComponentsMask(0x7f), True1); |
| 147 | #endif |
| 148 | |
| 149 | G_OBJECT_CLASS (cdk_x11_keymap_parent_class)((((GObjectClass*) (void *) g_type_check_class_cast ((GTypeClass *) ((cdk_x11_keymap_parent_class)), (((GType) ((20) << ( 2))))))))->finalize (object); |
| 150 | } |
| 151 | |
| 152 | static inline void |
| 153 | update_keyrange (CdkX11Keymap *keymap_x11) |
| 154 | { |
| 155 | if (keymap_x11->max_keycode == 0) |
| 156 | XDisplayKeycodes (KEYMAP_XDISPLAY (CDK_KEYMAP (keymap_x11))(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((((((CdkKeymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap_x11)), ((cdk_keymap_get_type ())))))))->display )), ((cdk_x11_display_get_type()))))))->xdisplay), |
| 157 | &keymap_x11->min_keycode, &keymap_x11->max_keycode); |
| 158 | } |
| 159 | |
| 160 | #ifdef HAVE_XKB1 |
| 161 | |
| 162 | static void |
| 163 | update_modmap (Display *display, |
| 164 | CdkX11Keymap *keymap_x11) |
| 165 | { |
| 166 | static struct { |
| 167 | const gchar *name; |
| 168 | Atom atom; |
| 169 | CdkModifierType mask; |
| 170 | } vmods[] = { |
| 171 | { "Meta", 0, CDK_META_MASK }, |
| 172 | { "Super", 0, CDK_SUPER_MASK }, |
| 173 | { "Hyper", 0, CDK_HYPER_MASK }, |
| 174 | { NULL((void*)0), 0, 0 } |
| 175 | }; |
| 176 | |
| 177 | gint i, j, k; |
| 178 | |
| 179 | if (!vmods[0].atom) |
| 180 | for (i = 0; vmods[i].name; i++) |
| 181 | vmods[i].atom = XInternAtom (display, vmods[i].name, FALSE(0)); |
| 182 | |
| 183 | for (i = 0; i < 8; i++) |
| 184 | keymap_x11->modmap[i] = 1 << i; |
| 185 | |
| 186 | for (i = 0; i < XkbNumVirtualMods16; i++) |
| 187 | { |
| 188 | for (j = 0; vmods[j].atom; j++) |
| 189 | { |
| 190 | if (keymap_x11->xkb_desc->names->vmods[i] == vmods[j].atom) |
| 191 | { |
| 192 | for (k = 0; k < 8; k++) |
| 193 | { |
| 194 | if (keymap_x11->xkb_desc->server->vmods[i] & (1 << k)) |
| 195 | keymap_x11->modmap[k] |= vmods[j].mask; |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | static XkbDescPtr |
| 203 | get_xkb (CdkX11Keymap *keymap_x11) |
| 204 | { |
| 205 | CdkX11Display *display_x11 = CDK_X11_DISPLAY (CDK_KEYMAP (keymap_x11)->display)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((((((CdkKeymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap_x11)), ((cdk_keymap_get_type ()))))))->display )), ((cdk_x11_display_get_type())))))); |
| 206 | Display *xdisplay = display_x11->xdisplay; |
| 207 | |
| 208 | update_keyrange (keymap_x11); |
| 209 | |
| 210 | if (keymap_x11->xkb_desc == NULL((void*)0)) |
| 211 | { |
| 212 | keymap_x11->xkb_desc = XkbGetMap (xdisplay, XkbKeySymsMask(1<<1) | XkbKeyTypesMask(1<<0) | XkbModifierMapMask(1<<2) | XkbVirtualModsMask(1<<6), XkbUseCoreKbd0x0100); |
| 213 | if (keymap_x11->xkb_desc == NULL((void*)0)) |
| 214 | { |
| 215 | g_error ("Failed to get keymap"); |
| 216 | return NULL((void*)0); |
| 217 | } |
| 218 | |
| 219 | XkbGetNames (xdisplay, XkbGroupNamesMask(1<<12) | XkbVirtualModNamesMask(1<<11), keymap_x11->xkb_desc); |
| 220 | |
| 221 | update_modmap (xdisplay, keymap_x11); |
| 222 | } |
| 223 | else if (keymap_x11->current_serial != display_x11->keymap_serial) |
| 224 | { |
| 225 | XkbGetUpdatedMap (xdisplay, XkbKeySymsMask(1<<1) | XkbKeyTypesMask(1<<0) | XkbModifierMapMask(1<<2) | XkbVirtualModsMask(1<<6), |
| 226 | keymap_x11->xkb_desc); |
| 227 | XkbGetNames (xdisplay, XkbGroupNamesMask(1<<12) | XkbVirtualModNamesMask(1<<11), keymap_x11->xkb_desc); |
| 228 | |
| 229 | update_modmap (xdisplay, keymap_x11); |
| 230 | } |
| 231 | |
| 232 | keymap_x11->current_serial = display_x11->keymap_serial; |
| 233 | |
| 234 | if (keymap_x11->num_lock_mask == 0) |
| 235 | keymap_x11->num_lock_mask = XkbKeysymToModifiers (KEYMAP_XDISPLAY (CDK_KEYMAP (keymap_x11))(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((((((CdkKeymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap_x11)), ((cdk_keymap_get_type ())))))))->display )), ((cdk_x11_display_get_type()))))))->xdisplay), CDK_KEY_Num_Lock0xff7f); |
| 236 | |
| 237 | if (keymap_x11->scroll_lock_mask == 0) |
| 238 | keymap_x11->scroll_lock_mask = XkbKeysymToModifiers (KEYMAP_XDISPLAY (CDK_KEYMAP (keymap_x11))(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((((((CdkKeymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap_x11)), ((cdk_keymap_get_type ())))))))->display )), ((cdk_x11_display_get_type()))))))->xdisplay), CDK_KEY_Scroll_Lock0xff14); |
| 239 | |
| 240 | |
| 241 | return keymap_x11->xkb_desc; |
| 242 | } |
| 243 | #endif /* HAVE_XKB */ |
| 244 | |
| 245 | /* Whether we were able to turn on detectable-autorepeat using |
| 246 | * XkbSetDetectableAutorepeat. If FALSE, we’ll fall back |
| 247 | * to checking the next event with XPending(). |
| 248 | */ |
| 249 | |
| 250 | /* Find the index of the group/level pair within the keysyms for a key. |
| 251 | * We round up the number of keysyms per keycode to the next even number, |
| 252 | * otherwise we lose a whole group of keys |
| 253 | */ |
| 254 | #define KEYSYM_INDEX(keymap_impl, group, level)(2 * ((group) % (gint)((keymap_impl->keysyms_per_keycode + 1) / 2)) + (level)) \ |
| 255 | (2 * ((group) % (gint)((keymap_impl->keysyms_per_keycode + 1) / 2)) + (level)) |
| 256 | #define KEYSYM_IS_KEYPAD(s)(((s) >= 0xff80 && (s) <= 0xffbd) || ((s) >= 0x11000000 && (s) <= 0x1100ffff)) (((s) >= 0xff80 && (s) <= 0xffbd) || \ |
| 257 | ((s) >= 0x11000000 && (s) <= 0x1100ffff)) |
| 258 | |
| 259 | static gint |
| 260 | get_symbol (const KeySym *syms, |
| 261 | CdkX11Keymap *keymap_x11, |
| 262 | gint group, |
| 263 | gint level) |
| 264 | { |
| 265 | gint index; |
| 266 | |
| 267 | index = KEYSYM_INDEX(keymap_x11, group, level)(2 * ((group) % (gint)((keymap_x11->keysyms_per_keycode + 1 ) / 2)) + (level)); |
| 268 | if (index >= keymap_x11->keysyms_per_keycode) |
| 269 | return NoSymbol0L; |
| 270 | |
| 271 | return syms[index]; |
| 272 | } |
| 273 | |
| 274 | static void |
| 275 | set_symbol (KeySym *syms, |
| 276 | CdkX11Keymap *keymap_x11, |
| 277 | gint group, |
| 278 | gint level, |
| 279 | KeySym sym) |
| 280 | { |
| 281 | gint index; |
| 282 | |
| 283 | index = KEYSYM_INDEX(keymap_x11, group, level)(2 * ((group) % (gint)((keymap_x11->keysyms_per_keycode + 1 ) / 2)) + (level)); |
| 284 | if (index >= keymap_x11->keysyms_per_keycode) |
| 285 | return; |
| 286 | |
| 287 | syms[index] = sym; |
| 288 | } |
| 289 | |
| 290 | static void |
| 291 | update_keymaps (CdkX11Keymap *keymap_x11) |
| 292 | { |
| 293 | CdkX11Display *display_x11 = CDK_X11_DISPLAY (CDK_KEYMAP (keymap_x11)->display)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((((((CdkKeymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap_x11)), ((cdk_keymap_get_type ()))))))->display )), ((cdk_x11_display_get_type())))))); |
| 294 | Display *xdisplay = display_x11->xdisplay; |
| 295 | |
| 296 | #ifdef HAVE_XKB1 |
| 297 | g_assert (!KEYMAP_USE_XKB (CDK_KEYMAP (keymap_x11)))do { if (!((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance*) (((((((CdkKeymap*) (void *) g_type_check_instance_cast ((GTypeInstance*) ((keymap_x11)), ((cdk_keymap_get_type ())) )))))->display)), ((cdk_x11_display_get_type()))))))->use_xkb ) ; else g_assertion_message_expr ("Cdk", "cdkkeys-x11.c", 297 , ((const char*) (__func__)), "!KEYMAP_USE_XKB (CDK_KEYMAP (keymap_x11))" ); } while (0); |
| 298 | #endif |
| 299 | |
| 300 | if (keymap_x11->keymap == NULL((void*)0) || |
| 301 | keymap_x11->current_serial != display_x11->keymap_serial) |
| 302 | { |
| 303 | gint i; |
| 304 | gint map_size; |
| 305 | gint keycode; |
| 306 | |
| 307 | keymap_x11->current_serial = display_x11->keymap_serial; |
| 308 | |
| 309 | update_keyrange (keymap_x11); |
| 310 | |
| 311 | if (keymap_x11->keymap) |
| 312 | XFree (keymap_x11->keymap); |
| 313 | |
| 314 | if (keymap_x11->mod_keymap) |
| 315 | XFreeModifiermap (keymap_x11->mod_keymap); |
| 316 | |
| 317 | keymap_x11->keymap = XGetKeyboardMapping (xdisplay, keymap_x11->min_keycode, |
| 318 | keymap_x11->max_keycode - keymap_x11->min_keycode + 1, |
| 319 | &keymap_x11->keysyms_per_keycode); |
| 320 | |
| 321 | |
| 322 | /* CDK_KEY_ISO_Left_Tab, as usually configured through XKB, really messes |
| 323 | * up the whole idea of "consumed modifiers" because shift is consumed. |
| 324 | * However, <shift>Tab is not usually CDK_KEY_ISO_Left_Tab without XKB, |
| 325 | * we we fudge the map here. |
| 326 | */ |
| 327 | keycode = keymap_x11->min_keycode; |
| 328 | while (keycode <= keymap_x11->max_keycode) |
| 329 | { |
| 330 | KeySym *syms = keymap_x11->keymap + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode; |
| 331 | /* Check both groups */ |
| 332 | for (i = 0 ; i < 2 ; i++) |
| 333 | { |
| 334 | if (get_symbol (syms, keymap_x11, i, 0) == CDK_KEY_Tab0xff09) |
| 335 | set_symbol (syms, keymap_x11, i, 1, CDK_KEY_ISO_Left_Tab0xfe20); |
| 336 | } |
| 337 | |
| 338 | /* |
| 339 | * If there is one keysym and the key symbol has upper and lower |
| 340 | * case variants fudge the keymap |
| 341 | */ |
| 342 | if (get_symbol (syms, keymap_x11, 0, 1) == 0) |
| 343 | { |
| 344 | guint lower; |
| 345 | guint upper; |
| 346 | |
| 347 | cdk_keyval_convert_case (get_symbol (syms, keymap_x11, 0, 0), &lower, &upper); |
| 348 | if (lower != upper) |
| 349 | { |
| 350 | set_symbol (syms, keymap_x11, 0, 0, lower); |
| 351 | set_symbol (syms, keymap_x11, 0, 1, upper); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | ++keycode; |
| 356 | } |
| 357 | |
| 358 | keymap_x11->mod_keymap = XGetModifierMapping (xdisplay); |
| 359 | |
| 360 | keymap_x11->lock_keysym = CDK_KEY_VoidSymbol0xffffff; |
| 361 | keymap_x11->group_switch_mask = 0; |
| 362 | keymap_x11->num_lock_mask = 0; |
| 363 | keymap_x11->scroll_lock_mask = 0; |
| 364 | |
| 365 | for (i = 0; i < 8; i++) |
| 366 | keymap_x11->modmap[i] = 1 << i; |
| 367 | |
| 368 | /* There are 8 sets of modifiers, with each set containing |
| 369 | * max_keypermod keycodes. |
| 370 | */ |
| 371 | map_size = 8 * keymap_x11->mod_keymap->max_keypermod; |
| 372 | for (i = 0; i < map_size; i++) |
| 373 | { |
| 374 | /* Get the key code at this point in the map. */ |
| 375 | gint code = keymap_x11->mod_keymap->modifiermap[i]; |
| 376 | gint j; |
| 377 | KeySym *syms; |
| 378 | guint mask; |
| 379 | |
| 380 | /* Ignore invalid keycodes. */ |
| 381 | if (code < keymap_x11->min_keycode || |
| 382 | code > keymap_x11->max_keycode) |
| 383 | continue; |
| 384 | |
| 385 | syms = keymap_x11->keymap + (code - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode; |
| 386 | |
| 387 | mask = 0; |
| 388 | for (j = 0; j < keymap_x11->keysyms_per_keycode; j++) |
| 389 | { |
| 390 | if (syms[j] == CDK_KEY_Meta_L0xffe7 || |
| 391 | syms[j] == CDK_KEY_Meta_R0xffe8) |
| 392 | mask |= CDK_META_MASK; |
| 393 | else if (syms[j] == CDK_KEY_Hyper_L0xffed || |
| 394 | syms[j] == CDK_KEY_Hyper_R0xffee) |
| 395 | mask |= CDK_HYPER_MASK; |
| 396 | else if (syms[j] == CDK_KEY_Super_L0xffeb || |
| 397 | syms[j] == CDK_KEY_Super_R0xffec) |
| 398 | mask |= CDK_SUPER_MASK; |
| 399 | } |
| 400 | |
| 401 | keymap_x11->modmap[i / keymap_x11->mod_keymap->max_keypermod] |= mask; |
| 402 | |
| 403 | /* The fourth modifier, CDK_MOD1_MASK is 1 << 3. |
| 404 | * Each group of max_keypermod entries refers to the same modifier. |
| 405 | */ |
| 406 | mask = 1 << (i / keymap_x11->mod_keymap->max_keypermod); |
| 407 | |
| 408 | switch (mask) |
| 409 | { |
| 410 | case CDK_LOCK_MASK: |
| 411 | /* Get the Lock keysym. If any keysym bound to the Lock modifier |
| 412 | * is Caps_Lock, we will interpret the modifier as Caps_Lock; |
| 413 | * otherwise, if any is bound to Shift_Lock, we will interpret |
| 414 | * the modifier as Shift_Lock. Otherwise, the lock modifier |
| 415 | * has no effect. |
| 416 | */ |
| 417 | for (j = 0; j < keymap_x11->keysyms_per_keycode; j++) |
| 418 | { |
| 419 | if (syms[j] == CDK_KEY_Caps_Lock0xffe5) |
| 420 | keymap_x11->lock_keysym = CDK_KEY_Caps_Lock0xffe5; |
| 421 | else if (syms[j] == CDK_KEY_Shift_Lock0xffe6 && |
| 422 | keymap_x11->lock_keysym == CDK_KEY_VoidSymbol0xffffff) |
| 423 | keymap_x11->lock_keysym = CDK_KEY_Shift_Lock0xffe6; |
| 424 | } |
| 425 | break; |
| 426 | |
| 427 | case CDK_CONTROL_MASK: |
| 428 | case CDK_SHIFT_MASK: |
| 429 | case CDK_MOD1_MASK: |
| 430 | /* Some keyboard maps are known to map Mode_Switch as an |
| 431 | * extra Mod1 key. In circumstances like that, it won't be |
| 432 | * used to switch groups. |
| 433 | */ |
| 434 | break; |
| 435 | |
| 436 | default: |
| 437 | /* Find the Mode_Switch, Num_Lock and Scroll_Lock modifiers. */ |
| 438 | for (j = 0; j < keymap_x11->keysyms_per_keycode; j++) |
| 439 | { |
| 440 | if (syms[j] == CDK_KEY_Mode_switch0xff7e) |
| 441 | { |
| 442 | /* This modifier swaps groups */ |
| 443 | keymap_x11->group_switch_mask |= mask; |
| 444 | } |
| 445 | else if (syms[j] == CDK_KEY_Num_Lock0xff7f) |
| 446 | { |
| 447 | /* This modifier is used for Num_Lock */ |
| 448 | keymap_x11->num_lock_mask |= mask; |
| 449 | } |
| 450 | else if (syms[j] == CDK_KEY_Scroll_Lock0xff14) |
| 451 | { |
| 452 | /* This modifier is used for Scroll_Lock */ |
| 453 | keymap_x11->scroll_lock_mask |= mask; |
| 454 | } |
| 455 | } |
| 456 | break; |
| 457 | } |
| 458 | } |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | static const KeySym* |
| 463 | get_keymap (CdkX11Keymap *keymap_x11) |
| 464 | { |
| 465 | update_keymaps (keymap_x11); |
| 466 | |
| 467 | return keymap_x11->keymap; |
| 468 | } |
| 469 | |
| 470 | #ifdef HAVE_XKB1 |
| 471 | static PangoDirection |
| 472 | get_direction (XkbDescRec *xkb, |
| 473 | gint group) |
| 474 | { |
| 475 | gint code; |
| 476 | |
| 477 | gint rtl_minus_ltr = 0; /* total number of RTL keysyms minus LTR ones */ |
| 478 | |
| 479 | for (code = xkb->min_key_code; code <= xkb->max_key_code; code++) |
| 480 | { |
| 481 | gint level = 0; |
| 482 | KeySym sym = XkbKeySymEntry (xkb, code, level, group)((((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(code)].offset)]))[((((((xkb)->map)->key_sym_map[code] .width))*(group))+(level))])); |
| 483 | PangoDirection dir = cdk_unichar_direction (cdk_keyval_to_unicode (sym)); |
| 484 | |
| 485 | switch (dir) |
| 486 | { |
| 487 | case PANGO_DIRECTION_RTL: |
| 488 | rtl_minus_ltr++; |
| 489 | break; |
| 490 | case PANGO_DIRECTION_LTR: |
| 491 | rtl_minus_ltr--; |
| 492 | break; |
| 493 | default: |
| 494 | break; |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | if (rtl_minus_ltr > 0) |
| 499 | return PANGO_DIRECTION_RTL; |
| 500 | else |
| 501 | return PANGO_DIRECTION_LTR; |
| 502 | } |
| 503 | |
| 504 | static PangoDirection |
| 505 | get_direction_from_cache (CdkX11Keymap *keymap_x11, |
| 506 | XkbDescPtr xkb, |
| 507 | gint group) |
| 508 | { |
| 509 | Atom group_atom = xkb->names->groups[group]; |
| 510 | |
| 511 | gboolean cache_hit = FALSE(0); |
| 512 | DirectionCacheEntry *cache = keymap_x11->group_direction_cache; |
| 513 | |
| 514 | PangoDirection direction = PANGO_DIRECTION_NEUTRAL; |
| 515 | gint i; |
| 516 | |
| 517 | if (keymap_x11->have_direction) |
| 518 | { |
| 519 | /* lookup in cache */ |
| 520 | for (i = 0; i < G_N_ELEMENTS (keymap_x11->group_direction_cache)(sizeof (keymap_x11->group_direction_cache) / sizeof ((keymap_x11 ->group_direction_cache)[0])); i++) |
| 521 | { |
| 522 | if (cache[i].group_atom == group_atom) |
| 523 | { |
| 524 | cache_hit = TRUE(!(0)); |
| 525 | cache[i].serial = keymap_x11->current_cache_serial++; /* freshen */ |
| 526 | direction = cache[i].direction; |
| 527 | group_atom = cache[i].group_atom; |
| 528 | break; |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | else |
| 533 | { |
| 534 | /* initialize cache */ |
| 535 | for (i = 0; i < G_N_ELEMENTS (keymap_x11->group_direction_cache)(sizeof (keymap_x11->group_direction_cache) / sizeof ((keymap_x11 ->group_direction_cache)[0])); i++) |
| 536 | { |
| 537 | cache[i].group_atom = 0; |
| 538 | cache[i].serial = keymap_x11->current_cache_serial; |
| 539 | } |
| 540 | keymap_x11->current_cache_serial++; |
| 541 | } |
| 542 | |
| 543 | /* insert in cache */ |
| 544 | if (!cache_hit) |
| 545 | { |
| 546 | gint oldest = 0; |
| 547 | |
| 548 | direction = get_direction (xkb, group); |
| 549 | |
| 550 | /* remove the oldest entry */ |
| 551 | for (i = 0; i < G_N_ELEMENTS (keymap_x11->group_direction_cache)(sizeof (keymap_x11->group_direction_cache) / sizeof ((keymap_x11 ->group_direction_cache)[0])); i++) |
| 552 | { |
| 553 | if (cache[i].serial < cache[oldest].serial) |
| 554 | oldest = i; |
| 555 | } |
| 556 | |
| 557 | cache[oldest].group_atom = group_atom; |
| 558 | cache[oldest].direction = direction; |
| 559 | cache[oldest].serial = keymap_x11->current_cache_serial++; |
| 560 | } |
| 561 | |
| 562 | return direction; |
| 563 | } |
| 564 | |
| 565 | static int |
| 566 | get_num_groups (CdkKeymap *keymap, |
| 567 | XkbDescPtr xkb) |
| 568 | { |
| 569 | Display *display = KEYMAP_XDISPLAY (keymap)(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->xdisplay); |
| 570 | XkbGetControls(display, XkbSlowKeysMask(1L << 1), xkb); |
| 571 | XkbGetUpdatedMap (display, XkbKeySymsMask(1<<1) | XkbKeyTypesMask(1<<0) | |
| 572 | XkbModifierMapMask(1<<2) | XkbVirtualModsMask(1<<6), xkb); |
| 573 | return xkb->ctrls->num_groups; |
| 574 | } |
| 575 | |
| 576 | static gboolean |
| 577 | update_direction (CdkX11Keymap *keymap_x11, |
| 578 | gint group) |
| 579 | { |
| 580 | XkbDescPtr xkb = get_xkb (keymap_x11); |
| 581 | Atom group_atom; |
| 582 | gboolean had_direction; |
| 583 | PangoDirection old_direction; |
| 584 | |
| 585 | had_direction = keymap_x11->have_direction; |
| 586 | old_direction = keymap_x11->current_direction; |
| 587 | |
| 588 | group_atom = xkb->names->groups[group]; |
| 589 | |
| 590 | /* a group change? */ |
| 591 | if (!keymap_x11->have_direction || keymap_x11->current_group_atom != group_atom) |
| 592 | { |
| 593 | keymap_x11->current_direction = get_direction_from_cache (keymap_x11, xkb, group); |
| 594 | keymap_x11->current_group_atom = group_atom; |
| 595 | keymap_x11->have_direction = TRUE(!(0)); |
| 596 | } |
| 597 | |
| 598 | return !had_direction || old_direction != keymap_x11->current_direction; |
| 599 | } |
| 600 | |
| 601 | static gboolean |
| 602 | update_lock_state (CdkX11Keymap *keymap_x11, |
| 603 | gint locked_mods, |
| 604 | gint effective_mods) |
| 605 | { |
| 606 | XkbDescPtr xkb G_GNUC_UNUSED__attribute__ ((__unused__)); |
| 607 | gboolean have_lock_state; |
| 608 | gboolean caps_lock_state; |
| 609 | gboolean num_lock_state; |
| 610 | gboolean scroll_lock_state; |
| 611 | guint modifier_state; |
| 612 | |
| 613 | /* ensure keymap_x11->num_lock_mask is initialized */ |
| 614 | xkb = get_xkb (keymap_x11); |
| 615 | |
| 616 | have_lock_state = keymap_x11->have_lock_state; |
| 617 | caps_lock_state = keymap_x11->caps_lock_state; |
| 618 | num_lock_state = keymap_x11->num_lock_state; |
| 619 | scroll_lock_state = keymap_x11->scroll_lock_state; |
| 620 | modifier_state = keymap_x11->modifier_state; |
| 621 | |
| 622 | keymap_x11->have_lock_state = TRUE(!(0)); |
| 623 | keymap_x11->caps_lock_state = (locked_mods & CDK_LOCK_MASK) != 0; |
| 624 | keymap_x11->num_lock_state = (locked_mods & keymap_x11->num_lock_mask) != 0; |
| 625 | keymap_x11->scroll_lock_state = (locked_mods & keymap_x11->scroll_lock_mask) != 0; |
| 626 | /* FIXME: sanitize this */ |
| 627 | keymap_x11->modifier_state = (guint)effective_mods; |
| 628 | |
| 629 | return !have_lock_state |
| 630 | || (caps_lock_state != keymap_x11->caps_lock_state) |
| 631 | || (num_lock_state != keymap_x11->num_lock_state) |
| 632 | || (scroll_lock_state != keymap_x11->scroll_lock_state) |
| 633 | || (modifier_state != keymap_x11->modifier_state); |
| 634 | } |
| 635 | |
| 636 | /* keep this in sync with the XkbSelectEventDetails() |
| 637 | * call in cdk_display_open() |
| 638 | */ |
| 639 | void |
| 640 | _cdk_x11_keymap_state_changed (CdkDisplay *display, |
| 641 | XEvent *xevent) |
| 642 | { |
| 643 | CdkX11Display *display_x11 = CDK_X11_DISPLAY (display)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((display)), ((cdk_x11_display_get_type())))))); |
| 644 | XkbEvent *xkb_event = (XkbEvent *)xevent; |
| 645 | |
| 646 | if (display_x11->keymap) |
| 647 | { |
| 648 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (display_x11->keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((display_x11->keymap)), ((cdk_x11_keymap_get_type()))) ))); |
| 649 | |
| 650 | if (update_direction (keymap_x11, XkbStateGroup (&xkb_event->state)((&xkb_event->state)->base_group+(&xkb_event-> state)->latched_group+((&xkb_event->state)->locked_group )))) |
| 651 | g_signal_emit_by_name (keymap_x11, "direction-changed"); |
| 652 | |
| 653 | if (update_lock_state (keymap_x11, |
| 654 | xkb_event->state.locked_mods, |
| 655 | xkb_event->state.mods)) |
| 656 | g_signal_emit_by_name (keymap_x11, "state-changed"); |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | #endif /* HAVE_XKB */ |
| 661 | |
| 662 | static void |
| 663 | ensure_lock_state (CdkKeymap *keymap) |
| 664 | { |
| 665 | #ifdef HAVE_XKB1 |
| 666 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 667 | { |
| 668 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 669 | |
| 670 | if (!keymap_x11->have_lock_state) |
| 671 | { |
| 672 | CdkDisplay *display = keymap->display; |
| 673 | XkbStateRec state_rec; |
| 674 | |
| 675 | XkbGetState (CDK_DISPLAY_XDISPLAY (display)(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((display)), ((cdk_x11_display_get_type()))))))->xdisplay ), XkbUseCoreKbd0x0100, &state_rec); |
| 676 | update_lock_state (keymap_x11, state_rec.locked_mods, state_rec.mods); |
| 677 | } |
| 678 | } |
| 679 | #endif /* HAVE_XKB */ |
| 680 | } |
| 681 | |
| 682 | void |
| 683 | _cdk_x11_keymap_keys_changed (CdkDisplay *display) |
| 684 | { |
| 685 | CdkX11Display *display_x11 = CDK_X11_DISPLAY (display)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((display)), ((cdk_x11_display_get_type())))))); |
| 686 | |
| 687 | ++display_x11->keymap_serial; |
| 688 | |
| 689 | if (display_x11->keymap) |
| 690 | g_signal_emit_by_name (display_x11->keymap, "keys_changed", 0); |
| 691 | } |
| 692 | |
| 693 | static PangoDirection |
| 694 | cdk_x11_keymap_get_direction (CdkKeymap *keymap) |
| 695 | { |
| 696 | #ifdef HAVE_XKB1 |
| 697 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 698 | { |
| 699 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 700 | |
| 701 | if (!keymap_x11->have_direction) |
| 702 | { |
| 703 | CdkDisplay *display = keymap->display; |
| 704 | XkbStateRec state_rec; |
| 705 | |
| 706 | XkbGetState (CDK_DISPLAY_XDISPLAY (display)(((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((display)), ((cdk_x11_display_get_type()))))))->xdisplay ), XkbUseCoreKbd0x0100, |
| 707 | &state_rec); |
| 708 | update_direction (keymap_x11, XkbStateGroup (&state_rec)((&state_rec)->base_group+(&state_rec)->latched_group +((&state_rec)->locked_group))); |
| 709 | } |
| 710 | |
| 711 | return keymap_x11->current_direction; |
| 712 | } |
| 713 | else |
| 714 | #endif /* HAVE_XKB */ |
| 715 | return PANGO_DIRECTION_NEUTRAL; |
| 716 | } |
| 717 | |
| 718 | static gboolean |
| 719 | cdk_x11_keymap_have_bidi_layouts (CdkKeymap *keymap) |
| 720 | { |
| 721 | #ifdef HAVE_XKB1 |
| 722 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 723 | { |
| 724 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 725 | XkbDescPtr xkb = get_xkb (keymap_x11); |
| 726 | int num_groups = get_num_groups (keymap, xkb); |
| 727 | |
| 728 | int i; |
| 729 | gboolean have_ltr_keyboard = FALSE(0); |
| 730 | gboolean have_rtl_keyboard = FALSE(0); |
| 731 | |
| 732 | for (i = 0; i < num_groups; i++) |
| 733 | { |
| 734 | if (get_direction_from_cache (keymap_x11, xkb, i) == PANGO_DIRECTION_RTL) |
| 735 | have_rtl_keyboard = TRUE(!(0)); |
| 736 | else |
| 737 | have_ltr_keyboard = TRUE(!(0)); |
| 738 | } |
| 739 | |
| 740 | return have_ltr_keyboard && have_rtl_keyboard; |
| 741 | } |
| 742 | else |
| 743 | #endif /* HAVE_XKB */ |
| 744 | return FALSE(0); |
| 745 | } |
| 746 | |
| 747 | static gboolean |
| 748 | cdk_x11_keymap_get_caps_lock_state (CdkKeymap *keymap) |
| 749 | { |
| 750 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 751 | |
| 752 | ensure_lock_state (keymap); |
| 753 | |
| 754 | return keymap_x11->caps_lock_state; |
| 755 | } |
| 756 | |
| 757 | static gboolean |
| 758 | cdk_x11_keymap_get_num_lock_state (CdkKeymap *keymap) |
| 759 | { |
| 760 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 761 | |
| 762 | ensure_lock_state (keymap); |
| 763 | |
| 764 | return keymap_x11->num_lock_state; |
| 765 | } |
| 766 | |
| 767 | static gboolean |
| 768 | cdk_x11_keymap_get_scroll_lock_state (CdkKeymap *keymap) |
| 769 | { |
| 770 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 771 | |
| 772 | ensure_lock_state (keymap); |
| 773 | |
| 774 | return keymap_x11->scroll_lock_state; |
| 775 | } |
| 776 | |
| 777 | static guint |
| 778 | cdk_x11_keymap_get_modifier_state (CdkKeymap *keymap) |
| 779 | { |
| 780 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 781 | |
| 782 | ensure_lock_state (keymap); |
| 783 | |
| 784 | return keymap_x11->modifier_state; |
| 785 | } |
| 786 | |
| 787 | static gboolean |
| 788 | cdk_x11_keymap_get_entries_for_keyval (CdkKeymap *keymap, |
| 789 | guint keyval, |
| 790 | CdkKeymapKey **keys, |
| 791 | gint *n_keys) |
| 792 | { |
| 793 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 794 | GArray *retval; |
| 795 | |
| 796 | retval = g_array_new (FALSE(0), FALSE(0), sizeof (CdkKeymapKey)); |
| 797 | |
| 798 | #ifdef HAVE_XKB1 |
| 799 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 800 | { |
| 801 | /* See sec 15.3.4 in XKB docs */ |
| 802 | |
| 803 | XkbDescRec *xkb = get_xkb (keymap_x11); |
| 804 | gint keycode; |
| 805 | |
| 806 | keycode = keymap_x11->min_keycode; |
| 807 | |
| 808 | while (keycode <= keymap_x11->max_keycode) |
| 809 | { |
| 810 | gint max_shift_levels = XkbKeyGroupsWidth (xkb, keycode)((((xkb)->map)->key_sym_map[keycode].width)); /* "key width" */ |
| 811 | gint group = 0; |
| 812 | gint level = 0; |
| 813 | gint total_syms = XkbKeyNumSyms (xkb, keycode)(((((xkb)->map)->key_sym_map[(keycode)].width)*(((((xkb )->map)->key_sym_map[(keycode)].group_info)&0x0f))) ); |
| 814 | gint i = 0; |
| 815 | KeySym *entry; |
| 816 | |
| 817 | /* entry is an array with all syms for group 0, all |
| 818 | * syms for group 1, etc. and for each group the |
| 819 | * shift level syms are in order |
| 820 | */ |
| 821 | entry = XkbKeySymsPtr (xkb, keycode)((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(keycode)].offset)])); |
| 822 | |
| 823 | while (i < total_syms) |
| 824 | { |
| 825 | /* check out our cool loop invariant */ |
| 826 | g_assert (i == (group * max_shift_levels + level))do { if (i == (group * max_shift_levels + level)) ; else g_assertion_message_expr ("Cdk", "cdkkeys-x11.c", 826, ((const char*) (__func__)), "i == (group * max_shift_levels + level)" ); } while (0); |
| 827 | |
| 828 | if (entry[i] == keyval) |
| 829 | { |
| 830 | /* Found a match */ |
| 831 | CdkKeymapKey key; |
| 832 | |
| 833 | key.keycode = keycode; |
| 834 | key.group = group; |
| 835 | key.level = level; |
| 836 | |
| 837 | g_array_append_val (retval, key)g_array_append_vals (retval, &(key), 1); |
| 838 | |
| 839 | g_assert (XkbKeySymEntry (xkb, keycode, level, group) ==do { if (((((&((xkb)->map)->syms[(((xkb)->map)-> key_sym_map[(keycode)].offset)]))[((((((xkb)->map)->key_sym_map [keycode].width))*(group))+(level))])) == keyval) ; else g_assertion_message_expr ("Cdk", "cdkkeys-x11.c", 840, ((const char*) (__func__)), "XkbKeySymEntry (xkb, keycode, level, group) == keyval" ); } while (0) |
| 840 | keyval)do { if (((((&((xkb)->map)->syms[(((xkb)->map)-> key_sym_map[(keycode)].offset)]))[((((((xkb)->map)->key_sym_map [keycode].width))*(group))+(level))])) == keyval) ; else g_assertion_message_expr ("Cdk", "cdkkeys-x11.c", 840, ((const char*) (__func__)), "XkbKeySymEntry (xkb, keycode, level, group) == keyval" ); } while (0); |
| 841 | } |
| 842 | |
| 843 | ++level; |
| 844 | |
| 845 | if (level == max_shift_levels) |
| 846 | { |
| 847 | level = 0; |
| 848 | ++group; |
| 849 | } |
| 850 | |
| 851 | ++i; |
| 852 | } |
| 853 | |
| 854 | ++keycode; |
| 855 | } |
| 856 | } |
| 857 | else |
| 858 | #endif |
| 859 | { |
| 860 | const KeySym *map = get_keymap (keymap_x11); |
| 861 | gint keycode; |
| 862 | |
| 863 | keycode = keymap_x11->min_keycode; |
| 864 | while (keycode <= keymap_x11->max_keycode) |
| 865 | { |
| 866 | const KeySym *syms = map + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode; |
| 867 | gint i = 0; |
| 868 | |
| 869 | while (i < keymap_x11->keysyms_per_keycode) |
| 870 | { |
| 871 | if (syms[i] == keyval) |
| 872 | { |
| 873 | /* found a match */ |
| 874 | CdkKeymapKey key; |
| 875 | |
| 876 | key.keycode = keycode; |
| 877 | |
| 878 | /* The "classic" non-XKB keymap has 2 levels per group */ |
| 879 | key.group = i / 2; |
| 880 | key.level = i % 2; |
| 881 | |
| 882 | g_array_append_val (retval, key)g_array_append_vals (retval, &(key), 1); |
| 883 | } |
| 884 | |
| 885 | ++i; |
| 886 | } |
| 887 | |
| 888 | ++keycode; |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | if (retval->len > 0) |
| 893 | { |
| 894 | *keys = (CdkKeymapKey*) retval->data; |
Casting a non-structure type to a structure type and accessing a field can lead to memory access errors or data corruption | |
| 895 | *n_keys = retval->len; |
| 896 | } |
| 897 | else |
| 898 | { |
| 899 | *keys = NULL((void*)0); |
| 900 | *n_keys = 0; |
| 901 | } |
| 902 | |
| 903 | g_array_free (retval, retval->len > 0 ? FALSE(0) : TRUE(!(0))); |
| 904 | |
| 905 | return *n_keys > 0; |
| 906 | } |
| 907 | |
| 908 | static gboolean |
| 909 | cdk_x11_keymap_get_entries_for_keycode (CdkKeymap *keymap, |
| 910 | guint hardware_keycode, |
| 911 | CdkKeymapKey **keys, |
| 912 | guint **keyvals, |
| 913 | gint *n_entries) |
| 914 | { |
| 915 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 916 | GArray *key_array; |
| 917 | GArray *keyval_array; |
| 918 | |
| 919 | update_keyrange (keymap_x11); |
| 920 | |
| 921 | if (hardware_keycode < keymap_x11->min_keycode || |
| 922 | hardware_keycode > keymap_x11->max_keycode) |
| 923 | { |
| 924 | if (keys) |
| 925 | *keys = NULL((void*)0); |
| 926 | if (keyvals) |
| 927 | *keyvals = NULL((void*)0); |
| 928 | |
| 929 | *n_entries = 0; |
| 930 | return FALSE(0); |
| 931 | } |
| 932 | |
| 933 | if (keys) |
| 934 | key_array = g_array_new (FALSE(0), FALSE(0), sizeof (CdkKeymapKey)); |
| 935 | else |
| 936 | key_array = NULL((void*)0); |
| 937 | |
| 938 | if (keyvals) |
| 939 | keyval_array = g_array_new (FALSE(0), FALSE(0), sizeof (guint)); |
| 940 | else |
| 941 | keyval_array = NULL((void*)0); |
| 942 | |
| 943 | #ifdef HAVE_XKB1 |
| 944 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 945 | { |
| 946 | /* See sec 15.3.4 in XKB docs */ |
| 947 | |
| 948 | XkbDescRec *xkb = get_xkb (keymap_x11); |
| 949 | gint max_shift_levels; |
| 950 | gint group = 0; |
| 951 | gint level = 0; |
| 952 | gint total_syms; |
| 953 | gint i = 0; |
| 954 | KeySym *entry; |
| 955 | |
| 956 | max_shift_levels = XkbKeyGroupsWidth (xkb, hardware_keycode)((((xkb)->map)->key_sym_map[hardware_keycode].width)); /* "key width" */ |
| 957 | total_syms = XkbKeyNumSyms (xkb, hardware_keycode)(((((xkb)->map)->key_sym_map[(hardware_keycode)].width) *(((((xkb)->map)->key_sym_map[(hardware_keycode)].group_info )&0x0f)))); |
| 958 | |
| 959 | /* entry is an array with all syms for group 0, all |
| 960 | * syms for group 1, etc. and for each group the |
| 961 | * shift level syms are in order |
| 962 | */ |
| 963 | entry = XkbKeySymsPtr (xkb, hardware_keycode)((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(hardware_keycode)].offset)])); |
| 964 | |
| 965 | while (i < total_syms) |
| 966 | { |
| 967 | /* check out our cool loop invariant */ |
| 968 | g_assert (i == (group * max_shift_levels + level))do { if (i == (group * max_shift_levels + level)) ; else g_assertion_message_expr ("Cdk", "cdkkeys-x11.c", 968, ((const char*) (__func__)), "i == (group * max_shift_levels + level)" ); } while (0); |
| 969 | |
| 970 | if (key_array) |
| 971 | { |
| 972 | CdkKeymapKey key; |
| 973 | |
| 974 | key.keycode = hardware_keycode; |
| 975 | key.group = group; |
| 976 | key.level = level; |
| 977 | |
| 978 | g_array_append_val (key_array, key)g_array_append_vals (key_array, &(key), 1); |
| 979 | } |
| 980 | |
| 981 | if (keyval_array) |
| 982 | g_array_append_val (keyval_array, entry[i])g_array_append_vals (keyval_array, &(entry[i]), 1); |
| 983 | |
| 984 | ++level; |
| 985 | |
| 986 | if (level == max_shift_levels) |
| 987 | { |
| 988 | level = 0; |
| 989 | ++group; |
| 990 | } |
| 991 | |
| 992 | ++i; |
| 993 | } |
| 994 | } |
| 995 | else |
| 996 | #endif |
| 997 | { |
| 998 | const KeySym *map = get_keymap (keymap_x11); |
| 999 | const KeySym *syms; |
| 1000 | gint i = 0; |
| 1001 | |
| 1002 | syms = map + (hardware_keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode; |
| 1003 | |
| 1004 | while (i < keymap_x11->keysyms_per_keycode) |
| 1005 | { |
| 1006 | if (key_array) |
| 1007 | { |
| 1008 | CdkKeymapKey key; |
| 1009 | |
| 1010 | key.keycode = hardware_keycode; |
| 1011 | |
| 1012 | /* The "classic" non-XKB keymap has 2 levels per group */ |
| 1013 | key.group = i / 2; |
| 1014 | key.level = i % 2; |
| 1015 | |
| 1016 | g_array_append_val (key_array, key)g_array_append_vals (key_array, &(key), 1); |
| 1017 | } |
| 1018 | |
| 1019 | if (keyval_array) |
| 1020 | g_array_append_val (keyval_array, syms[i])g_array_append_vals (keyval_array, &(syms[i]), 1); |
| 1021 | |
| 1022 | ++i; |
| 1023 | } |
| 1024 | } |
| 1025 | |
| 1026 | *n_entries = 0; |
| 1027 | |
| 1028 | if (keys) |
| 1029 | { |
| 1030 | *n_entries = key_array->len; |
| 1031 | *keys = (CdkKeymapKey*) g_array_free (key_array, FALSE(0)); |
| 1032 | } |
| 1033 | |
| 1034 | if (keyvals) |
| 1035 | { |
| 1036 | *n_entries = keyval_array->len; |
| 1037 | *keyvals = (guint*) g_array_free (keyval_array, FALSE(0)); |
| 1038 | } |
| 1039 | |
| 1040 | return *n_entries > 0; |
| 1041 | } |
| 1042 | |
| 1043 | static guint |
| 1044 | cdk_x11_keymap_lookup_key (CdkKeymap *keymap, |
| 1045 | const CdkKeymapKey *key) |
| 1046 | { |
| 1047 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1048 | |
| 1049 | g_return_val_if_fail (key->group < 4, 0)do { if ((key->group < 4)) { } else { g_return_if_fail_warning ("Cdk", ((const char*) (__func__)), "key->group < 4"); return (0); } } while (0); |
| 1050 | |
| 1051 | #ifdef HAVE_XKB1 |
| 1052 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 1053 | { |
| 1054 | XkbDescRec *xkb = get_xkb (keymap_x11); |
| 1055 | |
| 1056 | return XkbKeySymEntry (xkb, key->keycode, key->level, key->group)((((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(key->keycode)].offset)]))[((((((xkb)->map)->key_sym_map [key->keycode].width))*(key->group))+(key->level))]) ); |
| 1057 | } |
| 1058 | else |
| 1059 | #endif |
| 1060 | { |
| 1061 | const KeySym *map = get_keymap (keymap_x11); |
| 1062 | const KeySym *syms = map + (key->keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode; |
| 1063 | return get_symbol (syms, keymap_x11, key->group, key->level); |
| 1064 | } |
| 1065 | } |
| 1066 | |
| 1067 | #ifdef HAVE_XKB1 |
| 1068 | /* This is copied straight from XFree86 Xlib, to: |
| 1069 | * - add the group and level return. |
| 1070 | * - change the interpretation of mods_rtrn as described |
| 1071 | * in the docs for cdk_keymap_translate_keyboard_state() |
| 1072 | * It’s unchanged for ease of diff against the Xlib sources; don't |
| 1073 | * reformat it. |
| 1074 | */ |
| 1075 | static Boolint |
| 1076 | MyEnhancedXkbTranslateKeyCode(register XkbDescPtr xkb, |
| 1077 | KeyCode key, |
| 1078 | register unsigned int mods, |
| 1079 | unsigned int * mods_rtrn, |
| 1080 | KeySym * keysym_rtrn, |
| 1081 | int * group_rtrn, |
| 1082 | int * level_rtrn) |
| 1083 | { |
| 1084 | XkbKeyTypeRec *type; |
| 1085 | int col,nKeyGroups; |
| 1086 | unsigned preserve,effectiveGroup; |
| 1087 | KeySym *syms; |
| 1088 | int found_col = 0; |
| 1089 | |
| 1090 | if (mods_rtrn!=NULL((void*)0)) |
| 1091 | *mods_rtrn = 0; |
| 1092 | |
| 1093 | nKeyGroups= XkbKeyNumGroups(xkb,key)((((((xkb)->map)->key_sym_map[(key)].group_info)&0x0f ))); |
| 1094 | if ((!XkbKeycodeInRange(xkb,key)(((key)>=(xkb)->min_key_code)&& ((key)<=(xkb )->max_key_code)))||(nKeyGroups==0)) { |
| 1095 | if (keysym_rtrn!=NULL((void*)0)) |
| 1096 | *keysym_rtrn = NoSymbol0L; |
| 1097 | return False0; |
| 1098 | } |
| 1099 | |
| 1100 | syms = XkbKeySymsPtr(xkb,key)((&((xkb)->map)->syms[(((xkb)->map)->key_sym_map [(key)].offset)])); |
| 1101 | |
| 1102 | /* find the offset of the effective group */ |
| 1103 | col = 0; |
| 1104 | effectiveGroup= XkbGroupForCoreState(mods)(((mods)>>13)&0x3); |
| 1105 | if ( effectiveGroup>=nKeyGroups ) { |
| 1106 | unsigned groupInfo= XkbKeyGroupInfo(xkb,key)((((xkb)->map)->key_sym_map[(key)].group_info)); |
| 1107 | switch (XkbOutOfRangeGroupAction(groupInfo)((groupInfo)&0xc0)) { |
| 1108 | default: |
| 1109 | effectiveGroup %= nKeyGroups; |
| 1110 | break; |
| 1111 | case XkbClampIntoRange(0x40): |
| 1112 | effectiveGroup = nKeyGroups-1; |
| 1113 | break; |
| 1114 | case XkbRedirectIntoRange(0x80): |
| 1115 | effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo)(((groupInfo)&0x30)>>4); |
| 1116 | if (effectiveGroup>=nKeyGroups) |
| 1117 | effectiveGroup= 0; |
| 1118 | break; |
| 1119 | } |
| 1120 | } |
| 1121 | found_col = col= effectiveGroup*XkbKeyGroupsWidth(xkb,key)((((xkb)->map)->key_sym_map[key].width)); |
| 1122 | type = XkbKeyKeyType(xkb,key,effectiveGroup)((&((xkb)->map)->types[(((xkb)->map)->key_sym_map [key].kt_index[effectiveGroup&0x3])])); |
| 1123 | |
| 1124 | preserve= 0; |
| 1125 | if (type->map) { /* find the column (shift level) within the group */ |
| 1126 | register int i; |
| 1127 | register XkbKTMapEntryPtr entry; |
| 1128 | /* ---- Begin section modified for CDK ---- */ |
| 1129 | int found = 0; |
| 1130 | |
| 1131 | for (i=0,entry=type->map;i<type->map_count;i++,entry++) { |
| 1132 | if (!entry->active || syms[col+entry->level] == syms[col]) |
| 1133 | continue; |
| 1134 | if (mods_rtrn) { |
| 1135 | int bits = 0; |
| 1136 | unsigned long tmp = entry->mods.mask; |
| 1137 | while (tmp) { |
| 1138 | if ((tmp & 1) == 1) |
| 1139 | bits++; |
| 1140 | tmp >>= 1; |
| 1141 | } |
| 1142 | /* We always add one-modifiers levels to mods_rtrn since |
| 1143 | * they can't wipe out bits in the state unless the |
| 1144 | * level would be triggered. But not if they don't change |
| 1145 | * the symbol (otherwise we can't discriminate Shift-F10 |
| 1146 | * and F10 anymore). And don't add modifiers that are |
| 1147 | * explicitly marked as preserved, either. |
| 1148 | */ |
| 1149 | if (bits == 1 || |
| 1150 | (mods&type->mods.mask) == entry->mods.mask) |
| 1151 | { |
| 1152 | if (type->preserve) |
| 1153 | *mods_rtrn |= (entry->mods.mask & ~type->preserve[i].mask); |
| 1154 | else |
| 1155 | *mods_rtrn |= entry->mods.mask; |
| 1156 | } |
| 1157 | } |
| 1158 | |
| 1159 | if (!found && ((mods&type->mods.mask) == entry->mods.mask)) { |
| 1160 | found_col= col + entry->level; |
| 1161 | if (type->preserve) |
| 1162 | preserve= type->preserve[i].mask; |
| 1163 | |
| 1164 | if (level_rtrn) |
| 1165 | *level_rtrn = entry->level; |
| 1166 | |
| 1167 | found = 1; |
| 1168 | } |
| 1169 | } |
| 1170 | /* ---- End section modified for CDK ---- */ |
| 1171 | } |
| 1172 | |
| 1173 | if (keysym_rtrn!=NULL((void*)0)) |
| 1174 | *keysym_rtrn= syms[found_col]; |
| 1175 | if (mods_rtrn) { |
| 1176 | /* ---- Begin section modified for CDK ---- */ |
| 1177 | *mods_rtrn &= ~preserve; |
| 1178 | /* ---- End section modified for CDK ---- */ |
| 1179 | |
| 1180 | /* ---- Begin stuff CDK comments out of the original Xlib version ---- */ |
| 1181 | /* This is commented out because xkb_info is a private struct */ |
| 1182 | |
| 1183 | #if 0 |
| 1184 | /* The Motif VTS doesn't get the help callback called if help |
| 1185 | * is bound to Shift+<whatever>, and it appears as though it |
| 1186 | * is XkbTranslateKeyCode that is causing the problem. The |
| 1187 | * core X version of XTranslateKey always OR's in ShiftMask |
| 1188 | * and LockMask for mods_rtrn, so this "fix" keeps this behavior |
| 1189 | * and solves the VTS problem. |
| 1190 | */ |
| 1191 | if ((xkb->dpy)&&(xkb->dpy->xkb_info)&& |
| 1192 | (xkb->dpy->xkb_info->xlib_ctrls&XkbLC_AlwaysConsumeShiftAndLock(1<<2))) { *mods_rtrn|= (ShiftMask(1<<0)|LockMask(1<<1)); |
| 1193 | } |
| 1194 | #endif |
| 1195 | |
| 1196 | /* ---- End stuff CDK comments out of the original Xlib version ---- */ |
| 1197 | } |
| 1198 | |
| 1199 | /* ---- Begin stuff CDK adds to the original Xlib version ---- */ |
| 1200 | |
| 1201 | if (group_rtrn) |
| 1202 | *group_rtrn = effectiveGroup; |
| 1203 | |
| 1204 | /* ---- End stuff CDK adds to the original Xlib version ---- */ |
| 1205 | |
| 1206 | return (syms[found_col] != NoSymbol0L); |
| 1207 | } |
| 1208 | #endif /* HAVE_XKB */ |
| 1209 | |
| 1210 | /* Translates from keycode/state to keysymbol using the traditional interpretation |
| 1211 | * of the keyboard map. See section 12.7 of the Xlib reference manual |
| 1212 | */ |
| 1213 | static guint |
| 1214 | translate_keysym (CdkX11Keymap *keymap_x11, |
| 1215 | guint hardware_keycode, |
| 1216 | gint group, |
| 1217 | CdkModifierType state, |
| 1218 | gint *effective_group, |
| 1219 | gint *effective_level) |
| 1220 | { |
| 1221 | const KeySym *map = get_keymap (keymap_x11); |
| 1222 | const KeySym *syms = map + (hardware_keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode; |
| 1223 | |
| 1224 | #define SYM(k,g,l) get_symbol (syms, k,g,l) |
| 1225 | |
| 1226 | CdkModifierType shift_modifiers; |
| 1227 | gint shift_level; |
| 1228 | guint tmp_keyval; |
| 1229 | |
| 1230 | shift_modifiers = CDK_SHIFT_MASK; |
| 1231 | if (keymap_x11->lock_keysym == CDK_KEY_Shift_Lock0xffe6) |
| 1232 | shift_modifiers |= CDK_LOCK_MASK; |
| 1233 | |
| 1234 | /* Fall back to the first group if the passed in group is empty |
| 1235 | */ |
| 1236 | if (!(SYM (keymap_x11, group, 0) || SYM (keymap_x11, group, 1)) && |
| 1237 | (SYM (keymap_x11, 0, 0) || SYM (keymap_x11, 0, 1))) |
| 1238 | group = 0; |
| 1239 | |
| 1240 | if ((state & keymap_x11->num_lock_mask) && |
| 1241 | KEYSYM_IS_KEYPAD (SYM (keymap_x11, group, 1))(((SYM (keymap_x11, group, 1)) >= 0xff80 && (SYM ( keymap_x11, group, 1)) <= 0xffbd) || ((SYM (keymap_x11, group , 1)) >= 0x11000000 && (SYM (keymap_x11, group, 1) ) <= 0x1100ffff))) |
| 1242 | { |
| 1243 | /* Shift, Shift_Lock cancel Num_Lock |
| 1244 | */ |
| 1245 | shift_level = (state & shift_modifiers) ? 0 : 1; |
| 1246 | if (!SYM (keymap_x11, group, shift_level) && SYM (keymap_x11, group, 0)) |
| 1247 | shift_level = 0; |
| 1248 | |
| 1249 | tmp_keyval = SYM (keymap_x11, group, shift_level); |
| 1250 | } |
| 1251 | else |
| 1252 | { |
| 1253 | /* Fall back to the first level if no symbol for the level |
| 1254 | * we were passed. |
| 1255 | */ |
| 1256 | shift_level = (state & shift_modifiers) ? 1 : 0; |
| 1257 | if (!SYM (keymap_x11, group, shift_level) && SYM (keymap_x11, group, 0)) |
| 1258 | shift_level = 0; |
| 1259 | |
| 1260 | tmp_keyval = SYM (keymap_x11, group, shift_level); |
| 1261 | |
| 1262 | if (keymap_x11->lock_keysym == CDK_KEY_Caps_Lock0xffe5 && (state & CDK_LOCK_MASK) != 0) |
| 1263 | { |
| 1264 | guint upper = cdk_keyval_to_upper (tmp_keyval); |
| 1265 | if (upper != tmp_keyval) |
| 1266 | tmp_keyval = upper; |
| 1267 | } |
| 1268 | } |
| 1269 | |
| 1270 | if (effective_group) |
| 1271 | *effective_group = group; |
| 1272 | |
| 1273 | if (effective_level) |
| 1274 | *effective_level = shift_level; |
| 1275 | |
| 1276 | return tmp_keyval; |
| 1277 | |
| 1278 | #undef SYM |
| 1279 | } |
| 1280 | |
| 1281 | static gboolean |
| 1282 | cdk_x11_keymap_translate_keyboard_state (CdkKeymap *keymap, |
| 1283 | guint hardware_keycode, |
| 1284 | CdkModifierType state, |
| 1285 | gint group, |
| 1286 | guint *keyval, |
| 1287 | gint *effective_group, |
| 1288 | gint *level, |
| 1289 | CdkModifierType *consumed_modifiers) |
| 1290 | { |
| 1291 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1292 | KeySym tmp_keyval = NoSymbol0L; |
| 1293 | guint tmp_modifiers; |
| 1294 | |
| 1295 | g_return_val_if_fail (group < 4, FALSE)do { if ((group < 4)) { } else { g_return_if_fail_warning ( "Cdk", ((const char*) (__func__)), "group < 4"); return (( 0)); } } while (0); |
| 1296 | |
| 1297 | if (keyval) |
| 1298 | *keyval = NoSymbol0L; |
| 1299 | if (effective_group) |
| 1300 | *effective_group = 0; |
| 1301 | if (level) |
| 1302 | *level = 0; |
| 1303 | if (consumed_modifiers) |
| 1304 | *consumed_modifiers = 0; |
| 1305 | |
| 1306 | update_keyrange (keymap_x11); |
| 1307 | |
| 1308 | if (hardware_keycode < keymap_x11->min_keycode || |
| 1309 | hardware_keycode > keymap_x11->max_keycode) |
| 1310 | return FALSE(0); |
| 1311 | |
| 1312 | #ifdef HAVE_XKB1 |
| 1313 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 1314 | { |
| 1315 | XkbDescRec *xkb = get_xkb (keymap_x11); |
| 1316 | |
| 1317 | /* replace bits 13 and 14 with the provided group */ |
| 1318 | state &= ~(1 << 13 | 1 << 14); |
| 1319 | state |= group << 13; |
| 1320 | |
| 1321 | MyEnhancedXkbTranslateKeyCode (xkb, |
| 1322 | hardware_keycode, |
| 1323 | state, |
| 1324 | &tmp_modifiers, |
| 1325 | &tmp_keyval, |
| 1326 | effective_group, |
| 1327 | level); |
| 1328 | |
| 1329 | if (state & ~tmp_modifiers & LockMask(1<<1)) |
| 1330 | tmp_keyval = cdk_keyval_to_upper (tmp_keyval); |
| 1331 | |
| 1332 | /* We need to augment the consumed modifiers with LockMask, since |
| 1333 | * we handle that ourselves, and also with the group bits |
| 1334 | */ |
| 1335 | tmp_modifiers |= LockMask(1<<1) | 1 << 13 | 1 << 14; |
| 1336 | } |
| 1337 | else |
| 1338 | #endif |
| 1339 | { |
| 1340 | CdkModifierType bit; |
| 1341 | |
| 1342 | tmp_modifiers = 0; |
| 1343 | |
| 1344 | /* We see what modifiers matter by trying the translation with |
| 1345 | * and without each possible modifier |
| 1346 | */ |
| 1347 | for (bit = CDK_SHIFT_MASK; bit < CDK_BUTTON1_MASK; bit <<= 1) |
| 1348 | { |
| 1349 | /* Handling of the group here is a bit funky; a traditional |
| 1350 | * X keyboard map can have more than two groups, but no way |
| 1351 | * of accessing the extra groups is defined. We allow a |
| 1352 | * caller to pass in any group to this function, but we |
| 1353 | * only can represent switching between group 0 and 1 in |
| 1354 | * consumed modifiers. |
| 1355 | */ |
| 1356 | if (translate_keysym (keymap_x11, hardware_keycode, |
| 1357 | (bit == keymap_x11->group_switch_mask) ? 0 : group, |
| 1358 | state & ~bit, |
| 1359 | NULL((void*)0), NULL((void*)0)) != |
| 1360 | translate_keysym (keymap_x11, hardware_keycode, |
| 1361 | (bit == keymap_x11->group_switch_mask) ? 1 : group, |
| 1362 | state | bit, |
| 1363 | NULL((void*)0), NULL((void*)0))) |
| 1364 | tmp_modifiers |= bit; |
| 1365 | } |
| 1366 | |
| 1367 | tmp_keyval = translate_keysym (keymap_x11, hardware_keycode, |
| 1368 | group, state, |
| 1369 | level, effective_group); |
| 1370 | } |
| 1371 | |
| 1372 | if (consumed_modifiers) |
| 1373 | *consumed_modifiers = tmp_modifiers; |
| 1374 | |
| 1375 | if (keyval) |
| 1376 | *keyval = tmp_keyval; |
| 1377 | |
| 1378 | return tmp_keyval != NoSymbol0L; |
| 1379 | } |
| 1380 | |
| 1381 | /** |
| 1382 | * cdk_x11_keymap_get_group_for_state: |
| 1383 | * @keymap: (type CdkX11Keymap): a #CdkX11Keymap |
| 1384 | * @state: raw state returned from X |
| 1385 | * |
| 1386 | * Extracts the group from the state field sent in an X Key event. |
| 1387 | * This is only needed for code processing raw X events, since #CdkEventKey |
| 1388 | * directly includes an is_modifier field. |
| 1389 | * |
| 1390 | * Returns: the index of the active keyboard group for the event |
| 1391 | * |
| 1392 | * Since: 3.6 |
| 1393 | */ |
| 1394 | gint |
| 1395 | cdk_x11_keymap_get_group_for_state (CdkKeymap *keymap, |
| 1396 | guint state) |
| 1397 | { |
| 1398 | CdkDisplay *display; |
| 1399 | CdkX11Display *display_x11; |
| 1400 | |
| 1401 | g_return_val_if_fail (CDK_IS_X11_KEYMAP (keymap), 0)do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((keymap)); GType __t = ((cdk_x11_keymap_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 ("Cdk", ((const char*) (__func__ )), "CDK_IS_X11_KEYMAP (keymap)"); return (0); } } while (0); |
| 1402 | |
| 1403 | display = keymap->display; |
| 1404 | display_x11 = CDK_X11_DISPLAY (display)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((display)), ((cdk_x11_display_get_type())))))); |
| 1405 | |
| 1406 | #ifdef HAVE_XKB1 |
| 1407 | if (display_x11->use_xkb) |
| 1408 | { |
| 1409 | return XkbGroupForCoreState (state)(((state)>>13)&0x3); |
| 1410 | } |
| 1411 | else |
| 1412 | #endif |
| 1413 | { |
| 1414 | CdkX11Keymap *keymap_impl = CDK_X11_KEYMAP (cdk_keymap_get_for_display (display))((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((cdk_keymap_get_for_display (display))), ((cdk_x11_keymap_get_type ())))))); |
| 1415 | update_keymaps (keymap_impl); |
| 1416 | return (state & keymap_impl->group_switch_mask) ? 1 : 0; |
| 1417 | } |
| 1418 | } |
| 1419 | |
| 1420 | void |
| 1421 | _cdk_x11_keymap_add_virt_mods (CdkKeymap *keymap, |
| 1422 | CdkModifierType *modifiers) |
| 1423 | { |
| 1424 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1425 | int i; |
| 1426 | |
| 1427 | /* See comment in add_virtual_modifiers() */ |
| 1428 | for (i = 4; i < 8; i++) |
| 1429 | { |
| 1430 | if ((1 << i) & *modifiers) |
| 1431 | { |
| 1432 | if (keymap_x11->modmap[i] & CDK_SUPER_MASK) |
| 1433 | *modifiers |= CDK_SUPER_MASK; |
| 1434 | else if (keymap_x11->modmap[i] & CDK_HYPER_MASK) |
| 1435 | *modifiers |= CDK_HYPER_MASK; |
| 1436 | else if (keymap_x11->modmap[i] & CDK_META_MASK) |
| 1437 | *modifiers |= CDK_META_MASK; |
| 1438 | } |
| 1439 | } |
| 1440 | } |
| 1441 | |
| 1442 | static void |
| 1443 | cdk_x11_keymap_add_virtual_modifiers (CdkKeymap *keymap, |
| 1444 | CdkModifierType *state) |
| 1445 | { |
| 1446 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1447 | int i; |
| 1448 | |
| 1449 | /* This loop used to start at 3, which included MOD1 in the |
| 1450 | * virtual mapping. However, all of CTK+ treats MOD1 as a |
| 1451 | * synonym for Alt, and does not expect it to be mapped around, |
| 1452 | * therefore it's more sane to simply treat MOD1 like SHIFT and |
| 1453 | * CONTROL, which are not mappable either. |
| 1454 | */ |
| 1455 | for (i = 4; i < 8; i++) |
| 1456 | { |
| 1457 | if ((1 << i) & *state) |
| 1458 | { |
| 1459 | if (keymap_x11->modmap[i] & CDK_SUPER_MASK) |
| 1460 | *state |= CDK_SUPER_MASK; |
| 1461 | if (keymap_x11->modmap[i] & CDK_HYPER_MASK) |
| 1462 | *state |= CDK_HYPER_MASK; |
| 1463 | if (keymap_x11->modmap[i] & CDK_META_MASK) |
| 1464 | *state |= CDK_META_MASK; |
| 1465 | } |
| 1466 | } |
| 1467 | } |
| 1468 | |
| 1469 | /** |
| 1470 | * cdk_x11_keymap_key_is_modifier: |
| 1471 | * @keymap: (type CdkX11Keymap): a #CdkX11Keymap |
| 1472 | * @keycode: the hardware keycode from a key event |
| 1473 | * |
| 1474 | * Determines whether a particular key code represents a key that |
| 1475 | * is a modifier. That is, it’s a key that normally just affects |
| 1476 | * the keyboard state and the behavior of other keys rather than |
| 1477 | * producing a direct effect itself. This is only needed for code |
| 1478 | * processing raw X events, since #CdkEventKey directly includes |
| 1479 | * an is_modifier field. |
| 1480 | * |
| 1481 | * Returns: %TRUE if the hardware keycode is a modifier key |
| 1482 | * |
| 1483 | * Since: 3.6 |
| 1484 | */ |
| 1485 | gboolean |
| 1486 | cdk_x11_keymap_key_is_modifier (CdkKeymap *keymap, |
| 1487 | guint keycode) |
| 1488 | { |
| 1489 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1490 | gint i; |
| 1491 | |
| 1492 | g_return_val_if_fail (CDK_IS_X11_KEYMAP (keymap), FALSE)do { if (((((__extension__ ({ GTypeInstance *__inst = (GTypeInstance *) ((keymap)); GType __t = ((cdk_x11_keymap_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 ("Cdk", ((const char*) (__func__ )), "CDK_IS_X11_KEYMAP (keymap)"); return ((0)); } } while (0 ); |
| 1493 | |
| 1494 | update_keyrange (keymap_x11); |
| 1495 | if (keycode < keymap_x11->min_keycode || |
| 1496 | keycode > keymap_x11->max_keycode) |
| 1497 | return FALSE(0); |
| 1498 | |
| 1499 | #ifdef HAVE_XKB1 |
| 1500 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 1501 | { |
| 1502 | XkbDescRec *xkb = get_xkb (keymap_x11); |
| 1503 | |
| 1504 | if (xkb->map->modmap && xkb->map->modmap[keycode] != 0) |
| 1505 | return TRUE(!(0)); |
| 1506 | } |
| 1507 | else |
| 1508 | #endif |
| 1509 | { |
| 1510 | for (i = 0; i < 8 * keymap_x11->mod_keymap->max_keypermod; i++) |
| 1511 | { |
| 1512 | if (keycode == keymap_x11->mod_keymap->modifiermap[i]) |
| 1513 | return TRUE(!(0)); |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | return FALSE(0); |
| 1518 | } |
| 1519 | |
| 1520 | static gboolean |
| 1521 | cdk_x11_keymap_map_virtual_modifiers (CdkKeymap *keymap, |
| 1522 | CdkModifierType *state) |
| 1523 | { |
| 1524 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1525 | const guint vmods[] = { CDK_SUPER_MASK, CDK_HYPER_MASK, CDK_META_MASK }; |
| 1526 | int i, j; |
| 1527 | gboolean retval; |
| 1528 | |
| 1529 | #ifdef HAVE_XKB1 |
| 1530 | if (KEYMAP_USE_XKB (keymap)((((CdkX11Display*) (void *) g_type_check_instance_cast ((GTypeInstance *) (((keymap)->display)), ((cdk_x11_display_get_type())))) ))->use_xkb) |
| 1531 | get_xkb (keymap_x11); |
| 1532 | #endif |
| 1533 | |
| 1534 | retval = TRUE(!(0)); |
| 1535 | |
| 1536 | for (j = 0; j < 3; j++) |
| 1537 | { |
| 1538 | if (*state & vmods[j]) |
| 1539 | { |
| 1540 | /* See comment in add_virtual_modifiers() */ |
| 1541 | for (i = 4; i < 8; i++) |
| 1542 | { |
| 1543 | if (keymap_x11->modmap[i] & vmods[j]) |
| 1544 | { |
| 1545 | if (*state & (1 << i)) |
| 1546 | retval = FALSE(0); |
| 1547 | else |
| 1548 | *state |= 1 << i; |
| 1549 | } |
| 1550 | } |
| 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | return retval; |
| 1555 | } |
| 1556 | |
| 1557 | static CdkModifierType |
| 1558 | cdk_x11_keymap_get_modifier_mask (CdkKeymap *keymap, |
| 1559 | CdkModifierIntent intent) |
| 1560 | { |
| 1561 | CdkX11Keymap *keymap_x11 = CDK_X11_KEYMAP (keymap)((((CdkX11Keymap*) (void *) g_type_check_instance_cast ((GTypeInstance *) ((keymap)), ((cdk_x11_keymap_get_type())))))); |
| 1562 | |
| 1563 | switch (intent) |
| 1564 | { |
| 1565 | case CDK_MODIFIER_INTENT_SHIFT_GROUP: |
| 1566 | return keymap_x11->group_switch_mask; |
| 1567 | |
| 1568 | default: |
| 1569 | return CDK_KEYMAP_CLASS (cdk_x11_keymap_parent_class)((((CdkKeymapClass*) (void *) g_type_check_class_cast ((GTypeClass *) ((cdk_x11_keymap_parent_class)), ((cdk_keymap_get_type ()) )))))->get_modifier_mask (keymap, |
| 1570 | intent); |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | static void |
| 1575 | cdk_x11_keymap_class_init (CdkX11KeymapClass *klass) |
| 1576 | { |
| 1577 | GObjectClass *object_class = G_OBJECT_CLASS (klass)((((GObjectClass*) (void *) g_type_check_class_cast ((GTypeClass *) ((klass)), (((GType) ((20) << (2)))))))); |
| 1578 | CdkKeymapClass *keymap_class = CDK_KEYMAP_CLASS (klass)((((CdkKeymapClass*) (void *) g_type_check_class_cast ((GTypeClass *) ((klass)), ((cdk_keymap_get_type ())))))); |
| 1579 | |
| 1580 | object_class->finalize = cdk_x11_keymap_finalize; |
| 1581 | |
| 1582 | keymap_class->get_direction = cdk_x11_keymap_get_direction; |
| 1583 | keymap_class->have_bidi_layouts = cdk_x11_keymap_have_bidi_layouts; |
| 1584 | keymap_class->get_caps_lock_state = cdk_x11_keymap_get_caps_lock_state; |
| 1585 | keymap_class->get_num_lock_state = cdk_x11_keymap_get_num_lock_state; |
| 1586 | keymap_class->get_scroll_lock_state = cdk_x11_keymap_get_scroll_lock_state; |
| 1587 | keymap_class->get_modifier_state = cdk_x11_keymap_get_modifier_state; |
| 1588 | keymap_class->get_entries_for_keyval = cdk_x11_keymap_get_entries_for_keyval; |
| 1589 | keymap_class->get_entries_for_keycode = cdk_x11_keymap_get_entries_for_keycode; |
| 1590 | keymap_class->lookup_key = cdk_x11_keymap_lookup_key; |
| 1591 | keymap_class->translate_keyboard_state = cdk_x11_keymap_translate_keyboard_state; |
| 1592 | keymap_class->add_virtual_modifiers = cdk_x11_keymap_add_virtual_modifiers; |
| 1593 | keymap_class->map_virtual_modifiers = cdk_x11_keymap_map_virtual_modifiers; |
| 1594 | keymap_class->get_modifier_mask = cdk_x11_keymap_get_modifier_mask; |
| 1595 | } |