1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 2000 Red Hat, Inc.
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.
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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
35 #include "gdkprivate-win32.h"
36 #include "gdkinternals.h"
37 #include "gdkkeysyms.h"
38 #include "gdkkeysprivate.h"
39 #include "gdkwin32keys.h"
43 struct _GdkWin32KeymapClass
45 GdkKeymapClass parent_class;
48 struct _GdkWin32Keymap
50 GdkKeymap parent_instance;
53 G_DEFINE_TYPE (GdkWin32Keymap, gdk_win32_keymap, GDK_TYPE_KEYMAP)
56 gdk_win32_keymap_init (GdkWin32Keymap *keymap)
60 guint _gdk_keymap_serial = 0;
61 gboolean _gdk_keyboard_has_altgr = FALSE;
62 guint _scancode_rshift = 0;
64 static GdkModifierType gdk_shift_modifiers = GDK_SHIFT_MASK;
66 static GdkKeymap *default_keymap = NULL;
68 static guint *keysym_tab = NULL;
72 print_keysym_tab (void)
76 g_print ("keymap:%s%s\n",
77 _gdk_keyboard_has_altgr ? " (uses AltGr)" : "",
78 (gdk_shift_modifiers & GDK_LOCK_MASK) ? " (has ShiftLock)" : "");
79 for (vk = 0; vk < 256; vk++)
83 g_print ("%#.02x: ", vk);
84 for (state = 0; state < 4; state++)
86 gchar *name = gdk_keyval_name (keysym_tab[vk*4 + state]);
89 g_print ("%s ", name);
97 handle_special (guint vk,
105 *ksymp = GDK_KEY_Cancel; break;
107 *ksymp = GDK_KEY_BackSpace; break;
110 *ksymp = GDK_KEY_ISO_Left_Tab;
112 *ksymp = GDK_KEY_Tab;
115 *ksymp = GDK_KEY_Clear; break;
117 *ksymp = GDK_KEY_Return; break;
120 *ksymp = GDK_KEY_Shift_L; break;
123 *ksymp = GDK_KEY_Control_L; break;
126 *ksymp = GDK_KEY_Alt_L; break;
128 *ksymp = GDK_KEY_Pause; break;
130 *ksymp = GDK_KEY_Escape; break;
132 *ksymp = GDK_KEY_Prior; break;
134 *ksymp = GDK_KEY_Next; break;
136 *ksymp = GDK_KEY_End; break;
138 *ksymp = GDK_KEY_Home; break;
140 *ksymp = GDK_KEY_Left; break;
142 *ksymp = GDK_KEY_Up; break;
144 *ksymp = GDK_KEY_Right; break;
146 *ksymp = GDK_KEY_Down; break;
148 *ksymp = GDK_KEY_Select; break;
150 *ksymp = GDK_KEY_Print; break;
152 *ksymp = GDK_KEY_Execute; break;
154 *ksymp = GDK_KEY_Insert; break;
156 *ksymp = GDK_KEY_Delete; break;
158 *ksymp = GDK_KEY_Help; break;
160 *ksymp = GDK_KEY_Meta_L; break;
162 *ksymp = GDK_KEY_Meta_R; break;
164 *ksymp = GDK_KEY_Menu; break;
166 *ksymp = GDK_KEY_KP_Multiply; break;
168 *ksymp = GDK_KEY_KP_Add; break;
170 *ksymp = GDK_KEY_KP_Separator; break;
172 *ksymp = GDK_KEY_KP_Subtract; break;
174 *ksymp = GDK_KEY_KP_Divide; break;
176 *ksymp = GDK_KEY_KP_0; break;
178 *ksymp = GDK_KEY_KP_1; break;
180 *ksymp = GDK_KEY_KP_2; break;
182 *ksymp = GDK_KEY_KP_3; break;
184 *ksymp = GDK_KEY_KP_4; break;
186 *ksymp = GDK_KEY_KP_5; break;
188 *ksymp = GDK_KEY_KP_6; break;
190 *ksymp = GDK_KEY_KP_7; break;
192 *ksymp = GDK_KEY_KP_8; break;
194 *ksymp = GDK_KEY_KP_9; break;
196 *ksymp = GDK_KEY_F1; break;
198 *ksymp = GDK_KEY_F2; break;
200 *ksymp = GDK_KEY_F3; break;
202 *ksymp = GDK_KEY_F4; break;
204 *ksymp = GDK_KEY_F5; break;
206 *ksymp = GDK_KEY_F6; break;
208 *ksymp = GDK_KEY_F7; break;
210 *ksymp = GDK_KEY_F8; break;
212 *ksymp = GDK_KEY_F9; break;
214 *ksymp = GDK_KEY_F10; break;
216 *ksymp = GDK_KEY_F11; break;
218 *ksymp = GDK_KEY_F12; break;
220 *ksymp = GDK_KEY_F13; break;
222 *ksymp = GDK_KEY_F14; break;
224 *ksymp = GDK_KEY_F15; break;
226 *ksymp = GDK_KEY_F16; break;
228 *ksymp = GDK_KEY_F17; break;
230 *ksymp = GDK_KEY_F18; break;
232 *ksymp = GDK_KEY_F19; break;
234 *ksymp = GDK_KEY_F20; break;
236 *ksymp = GDK_KEY_F21; break;
238 *ksymp = GDK_KEY_F22; break;
240 *ksymp = GDK_KEY_F23; break;
242 *ksymp = GDK_KEY_F24; break;
244 *ksymp = GDK_KEY_Num_Lock; break;
246 *ksymp = GDK_KEY_Scroll_Lock; break;
248 *ksymp = GDK_KEY_Shift_R; break;
250 *ksymp = GDK_KEY_Control_R; break;
252 *ksymp = GDK_KEY_Alt_R; break;
257 set_shift_vks (guchar *key_state,
263 key_state[VK_SHIFT] = 0;
264 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
267 key_state[VK_SHIFT] = 0x80;
268 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
271 key_state[VK_SHIFT] = 0;
272 key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
275 key_state[VK_SHIFT] = 0x80;
276 key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
282 reset_after_dead (guchar key_state[256])
284 guchar temp_key_state[256];
287 memmove (temp_key_state, key_state, sizeof (key_state));
289 temp_key_state[VK_SHIFT] =
290 temp_key_state[VK_CONTROL] =
291 temp_key_state[VK_MENU] = 0;
293 ToUnicodeEx (VK_SPACE, MapVirtualKey (VK_SPACE, 0),
294 temp_key_state, wcs, G_N_ELEMENTS (wcs),
295 0, _gdk_input_locale);
299 handle_dead (guint keysym,
304 case '"': /* 0x022 */
305 *ksymp = GDK_KEY_dead_diaeresis; break;
306 case '\'': /* 0x027 */
307 *ksymp = GDK_KEY_dead_acute; break;
308 case GDK_KEY_asciicircum: /* 0x05e */
309 *ksymp = GDK_KEY_dead_circumflex; break;
310 case GDK_KEY_grave: /* 0x060 */
311 *ksymp = GDK_KEY_dead_grave; break;
312 case GDK_KEY_asciitilde: /* 0x07e */
313 *ksymp = GDK_KEY_dead_tilde; break;
314 case GDK_KEY_diaeresis: /* 0x0a8 */
315 *ksymp = GDK_KEY_dead_diaeresis; break;
316 case GDK_KEY_degree: /* 0x0b0 */
317 *ksymp = GDK_KEY_dead_abovering; break;
318 case GDK_KEY_acute: /* 0x0b4 */
319 *ksymp = GDK_KEY_dead_acute; break;
320 case GDK_KEY_periodcentered: /* 0x0b7 */
321 *ksymp = GDK_KEY_dead_abovedot; break;
322 case GDK_KEY_cedilla: /* 0x0b8 */
323 *ksymp = GDK_KEY_dead_cedilla; break;
324 case GDK_KEY_breve: /* 0x1a2 */
325 *ksymp = GDK_KEY_dead_breve; break;
326 case GDK_KEY_ogonek: /* 0x1b2 */
327 *ksymp = GDK_KEY_dead_ogonek; break;
328 case GDK_KEY_caron: /* 0x1b7 */
329 *ksymp = GDK_KEY_dead_caron; break;
330 case GDK_KEY_doubleacute: /* 0x1bd */
331 *ksymp = GDK_KEY_dead_doubleacute; break;
332 case GDK_KEY_abovedot: /* 0x1ff */
333 *ksymp = GDK_KEY_dead_abovedot; break;
334 case 0x1000384: /* Greek tonos */
335 *ksymp = GDK_KEY_dead_acute; break;
336 case GDK_KEY_Greek_accentdieresis: /* 0x7ae */
337 *ksymp = GDK_KEY_Greek_accentdieresis; break;
339 /* By default use the keysym as such. This takes care of for
340 * instance the dead U+09CD (BENGALI VIRAMA) on the ekushey
343 *ksymp = keysym; break;
350 static guint current_serial = 0;
351 guchar key_state[256];
354 gboolean capslock_tested = FALSE;
356 if (keysym_tab != NULL && current_serial == _gdk_keymap_serial)
359 current_serial = _gdk_keymap_serial;
361 if (keysym_tab == NULL)
362 keysym_tab = g_new (guint, 4*256);
364 memset (key_state, 0, sizeof (key_state));
366 _gdk_keyboard_has_altgr = FALSE;
367 gdk_shift_modifiers = GDK_SHIFT_MASK;
369 for (vk = 0; vk < 256; vk++)
371 if ((scancode = MapVirtualKey (vk, 0)) == 0 &&
376 keysym_tab[vk*4+3] = GDK_KEY_VoidSymbol;
382 _scancode_rshift = scancode;
384 key_state[vk] = 0x80;
385 for (shift = 0; shift < 4; shift++)
387 guint *ksymp = keysym_tab + vk*4 + shift;
389 set_shift_vks (key_state, shift);
393 /* First, handle those virtual keys that we always want
394 * as special GDK_* keysyms, even if ToAsciiEx might
395 * turn some them into a ASCII character (like TAB and
398 handle_special (vk, ksymp, shift);
406 k = ToUnicodeEx (vk, scancode, key_state,
407 wcs, G_N_ELEMENTS (wcs),
408 0, _gdk_input_locale);
410 g_print ("ToUnicodeEx(%#02x, %d: %d): %d, %04x %04x\n",
411 vk, scancode, shift, k,
415 *ksymp = gdk_unicode_to_keyval (wcs[0]);
418 guint keysym = gdk_unicode_to_keyval (wcs[0]);
420 /* It is a dead key, and it has been stored in
421 * the keyboard layout's state by
422 * ToAsciiEx()/ToUnicodeEx(). Yes, this is an
423 * incredibly silly API! Make the keyboard
424 * layout forget it by calling
425 * ToAsciiEx()/ToUnicodeEx() once more, with the
426 * virtual key code and scancode for the
427 * spacebar, without shift or AltGr. Otherwise
428 * the next call to ToAsciiEx() with a different
429 * key would try to combine with the dead key.
431 reset_after_dead (key_state);
433 /* Use dead keysyms instead of "undead" ones */
434 handle_dead (keysym, ksymp);
438 /* Seems to be necessary to "reset" the keyboard layout
439 * in this case, too. Otherwise problems on NT4.
441 reset_after_dead (key_state);
447 g_print ("ToUnicodeEx returns %d "
448 "for vk:%02x, sc:%02x%s%s\n",
450 (shift&0x1 ? " shift" : ""),
451 (shift&0x2 ? " altgr" : "")));
456 *ksymp = GDK_KEY_VoidSymbol;
460 /* Check if keyboard has an AltGr key by checking if
461 * the mapping with Control+Alt is different.
463 if (!_gdk_keyboard_has_altgr)
464 if ((keysym_tab[vk*4 + 2] != GDK_KEY_VoidSymbol &&
465 keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
466 (keysym_tab[vk*4 + 3] != GDK_KEY_VoidSymbol &&
467 keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
468 _gdk_keyboard_has_altgr = TRUE;
470 if (!capslock_tested)
472 /* Can we use this virtual key to determine the CapsLock
473 * key behaviour: CapsLock or ShiftLock? If it generates
474 * keysyms for printable characters and has a shifted
475 * keysym that isn't just the upperacase of the
476 * unshifted keysym, check the behaviour of VK_CAPITAL.
478 if (g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 0])) &&
479 keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 0] &&
480 g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 1])) &&
481 keysym_tab[vk*4 + 1] != gdk_keyval_to_upper (keysym_tab[vk*4 + 0]))
485 capslock_tested = TRUE;
487 key_state[VK_SHIFT] = 0;
488 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
489 key_state[VK_CAPITAL] = 1;
491 if (ToAsciiEx (vk, scancode, key_state,
492 (LPWORD) chars, 0, _gdk_input_locale) == 1)
494 if (chars[0] >= GDK_KEY_space &&
495 chars[0] <= GDK_KEY_asciitilde &&
496 chars[0] == keysym_tab[vk*4 + 1])
498 /* CapsLock acts as ShiftLock */
499 gdk_shift_modifiers |= GDK_LOCK_MASK;
502 key_state[VK_CAPITAL] = 0;
507 GDK_NOTE (EVENTS, print_keysym_tab ());
511 _gdk_win32_display_get_keymap (GdkDisplay *display)
513 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
515 if (default_keymap == NULL)
516 default_keymap = g_object_new (gdk_win32_keymap_get_type (), NULL);
518 return default_keymap;
521 static PangoDirection
522 gdk_win32_keymap_get_direction (GdkKeymap *keymap)
526 switch (PRIMARYLANGID (LOWORD ((DWORD) (gintptr) _gdk_input_locale)))
535 return PANGO_DIRECTION_RTL;
538 return PANGO_DIRECTION_LTR;
543 gdk_win32_keymap_have_bidi_layouts (GdkKeymap *keymap)
545 /* Should we check if the kayboard layouts switchable at the moment
546 * cover both directionalities? What does the doc comment in
547 * ../x11/gdkkeys-x11.c exactly mean?
553 gdk_win32_keymap_get_caps_lock_state (GdkKeymap *keymap)
555 return ((GetKeyState (VK_CAPITAL) & 1) != 0);
559 gdk_win32_keymap_get_num_lock_state (GdkKeymap *keymap)
561 return ((GetKeyState (VK_NUMLOCK) & 1) != 0);
565 gdk_win32_keymap_get_entries_for_keyval (GdkKeymap *keymap,
572 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
573 g_return_val_if_fail (keys != NULL, FALSE);
574 g_return_val_if_fail (n_keys != NULL, FALSE);
575 g_return_val_if_fail (keyval != 0, FALSE);
577 retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
579 /* Accept only the default keymap */
580 if (keymap == NULL || keymap == gdk_keymap_get_default ())
586 for (vk = 0; vk < 256; vk++)
590 for (i = 0; i < 4; i++)
592 if (keysym_tab[vk*4+i] == keyval)
598 /* 2 levels (normal, shift), two groups (normal, AltGr) */
602 g_array_append_val (retval, key);
608 #ifdef G_ENABLE_DEBUG
609 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
613 g_print ("gdk_keymap_get_entries_for_keyval: %#.04x (%s):",
614 keyval, gdk_keyval_name (keyval));
615 for (i = 0; i < retval->len; i++)
617 GdkKeymapKey *entry = (GdkKeymapKey *) retval->data + i;
618 g_print (" %#.02x %d %d", entry->keycode, entry->group, entry->level);
626 *keys = (GdkKeymapKey*) retval->data;
627 *n_keys = retval->len;
635 g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
641 gdk_win32_keymap_get_entries_for_keycode (GdkKeymap *keymap,
642 guint hardware_keycode,
648 GArray *keyval_array;
650 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
651 g_return_val_if_fail (n_entries != NULL, FALSE);
653 if (hardware_keycode <= 0 ||
654 hardware_keycode >= 256)
666 key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
671 keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
675 /* Accept only the default keymap */
676 if (keymap == NULL || keymap == gdk_keymap_get_default ())
682 for (i = 0; i < 4; i++)
688 key.keycode = hardware_keycode;
693 g_array_append_val (key_array, key);
697 g_array_append_val (keyval_array, keysym_tab[hardware_keycode*4+i]);
701 if ((key_array && key_array->len > 0) ||
702 (keyval_array && keyval_array->len > 0))
705 *keys = (GdkKeymapKey*) key_array->data;
708 *keyvals = (guint*) keyval_array->data;
711 *n_entries = key_array->len;
713 *n_entries = keyval_array->len;
727 g_array_free (key_array, key_array->len > 0 ? FALSE : TRUE);
729 g_array_free (keyval_array, keyval_array->len > 0 ? FALSE : TRUE);
731 return *n_entries > 0;
735 gdk_win32_keymap_lookup_key (GdkKeymap *keymap,
736 const GdkKeymapKey *key)
740 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
741 g_return_val_if_fail (key != NULL, 0);
742 g_return_val_if_fail (key->group < 4, 0);
744 /* Accept only the default keymap */
745 if (keymap != NULL && keymap != gdk_keymap_get_default ())
750 if (key->keycode >= 256 ||
751 key->group < 0 || key->group >= 2 ||
752 key->level < 0 || key->level >= 2)
755 sym = keysym_tab[key->keycode*4 + key->group*2 + key->level];
757 if (sym == GDK_KEY_VoidSymbol)
764 gdk_win32_keymap_translate_keyboard_state (GdkKeymap *keymap,
765 guint hardware_keycode,
766 GdkModifierType state,
769 gint *effective_group,
771 GdkModifierType *consumed_modifiers)
776 gboolean ignore_shift = FALSE;
777 gboolean ignore_group = FALSE;
779 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
780 g_return_val_if_fail (group < 4, FALSE);
783 GDK_NOTE (EVENTS, g_print ("gdk_keymap_translate_keyboard_state: keycode=%#x state=%#x group=%d\n",
784 hardware_keycode, state, group));
789 *effective_group = 0;
792 if (consumed_modifiers)
793 *consumed_modifiers = 0;
795 /* Accept only the default keymap */
796 if (keymap != NULL && keymap != gdk_keymap_get_default ())
799 if (hardware_keycode >= 256)
802 if (group < 0 || group >= 2)
807 keyvals = keysym_tab + hardware_keycode*4;
809 if ((state & GDK_LOCK_MASK) &&
810 (state & GDK_SHIFT_MASK) &&
811 ((gdk_shift_modifiers & GDK_LOCK_MASK) ||
812 (keyvals[group*2 + 1] == gdk_keyval_to_upper (keyvals[group*2 + 0]))))
813 /* Shift always disables ShiftLock. Shift disables CapsLock for
814 * keys with lowercase/uppercase letter pairs.
817 else if (state & gdk_shift_modifiers)
822 /* Drop group and shift if there are no keysymbols on
825 if (shift_level == 1 &&
826 keyvals[group*2 + 1] == GDK_KEY_VoidSymbol &&
827 keyvals[group*2] != GDK_KEY_VoidSymbol)
834 keyvals[2 + shift_level] == GDK_KEY_VoidSymbol &&
835 keyvals[0 + shift_level] != GDK_KEY_VoidSymbol)
841 if (keyvals[group *2 + shift_level] == GDK_KEY_VoidSymbol &&
842 keyvals[0 + 0] != GDK_KEY_VoidSymbol)
850 /* See whether the group and shift level actually mattered
851 * to know what to put in consumed_modifiers
853 if (keyvals[group*2 + 1] == GDK_KEY_VoidSymbol ||
854 keyvals[group*2 + 0] == keyvals[group*2 + 1])
857 if (keyvals[2 + shift_level] == GDK_KEY_VoidSymbol ||
858 keyvals[0 + shift_level] == keyvals[2 + shift_level])
861 tmp_keyval = keyvals[group*2 + shift_level];
863 /* If a true CapsLock is toggled, and Shift is not down,
864 * and the shifted keysym is the uppercase of the unshifted,
867 if (!(gdk_shift_modifiers & GDK_LOCK_MASK) &&
868 !(state & GDK_SHIFT_MASK) &&
869 (state & GDK_LOCK_MASK))
871 guint upper = gdk_keyval_to_upper (tmp_keyval);
872 if (upper == keyvals[group*2 + 1])
877 *keyval = tmp_keyval;
880 *effective_group = group;
883 *level = shift_level;
885 if (consumed_modifiers)
887 *consumed_modifiers =
888 (ignore_group ? 0 : GDK_MOD2_MASK) |
889 (ignore_shift ? 0 : (GDK_SHIFT_MASK|GDK_LOCK_MASK));
893 GDK_NOTE (EVENTS, g_print ("... group=%d level=%d cmods=%#x keyval=%s\n",
894 group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));
897 return tmp_keyval != GDK_KEY_VoidSymbol;
901 gdk_win32_keymap_add_virtual_modifiers (GdkKeymap *keymap,
902 GdkModifierType *state)
907 gdk_win32_keymap_map_virtual_modifiers (GdkKeymap *keymap,
908 GdkModifierType *state)
910 /* FIXME: Is this the right thing to do? */
915 gdk_win32_keymap_finalize (GObject *object)
920 gdk_win32_keymap_class_init (GdkWin32KeymapClass *klass)
922 GObjectClass *object_class = G_OBJECT_CLASS (klass);
923 GdkKeymapClass *keymap_class = GDK_KEYMAP_CLASS (klass);
925 object_class->finalize = gdk_win32_keymap_finalize;
927 keymap_class->get_direction = gdk_win32_keymap_get_direction;
928 keymap_class->have_bidi_layouts = gdk_win32_keymap_have_bidi_layouts;
929 keymap_class->get_caps_lock_state = gdk_win32_keymap_get_caps_lock_state;
930 keymap_class->get_num_lock_state = gdk_win32_keymap_get_num_lock_state;
931 keymap_class->get_entries_for_keyval = gdk_win32_keymap_get_entries_for_keyval;
932 keymap_class->get_entries_for_keycode = gdk_win32_keymap_get_entries_for_keycode;
933 keymap_class->lookup_key = gdk_win32_keymap_lookup_key;
934 keymap_class->translate_keyboard_state = gdk_win32_keymap_translate_keyboard_state;
935 keymap_class->add_virtual_modifiers = gdk_win32_keymap_add_virtual_modifiers;
936 keymap_class->map_virtual_modifiers = gdk_win32_keymap_map_virtual_modifiers;