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"
41 guint _gdk_keymap_serial = 0;
42 gboolean _gdk_keyboard_has_altgr = FALSE;
43 guint _scancode_rshift = 0;
45 static GdkModifierType gdk_shift_modifiers = GDK_SHIFT_MASK;
47 static GdkKeymap *default_keymap = NULL;
49 static guint *keysym_tab = NULL;
53 print_keysym_tab (void)
57 g_print ("keymap:%s%s\n",
58 _gdk_keyboard_has_altgr ? " (uses AltGr)" : "",
59 (gdk_shift_modifiers & GDK_LOCK_MASK) ? " (has ShiftLock)" : "");
60 for (vk = 0; vk < 256; vk++)
64 g_print ("%#.02x: ", vk);
65 for (state = 0; state < 4; state++)
67 gchar *name = gdk_keyval_name (keysym_tab[vk*4 + state]);
70 g_print ("%s ", name);
78 handle_special (guint vk,
86 *ksymp = GDK_Cancel; break;
88 *ksymp = GDK_BackSpace; break;
91 *ksymp = GDK_ISO_Left_Tab;
96 *ksymp = GDK_Clear; break;
98 *ksymp = GDK_Return; break;
101 *ksymp = GDK_Shift_L; break;
104 *ksymp = GDK_Control_L; break;
107 *ksymp = GDK_Alt_L; break;
109 *ksymp = GDK_Pause; break;
111 *ksymp = GDK_Escape; break;
113 *ksymp = GDK_Prior; break;
115 *ksymp = GDK_Next; break;
117 *ksymp = GDK_End; break;
119 *ksymp = GDK_Home; break;
121 *ksymp = GDK_Left; break;
123 *ksymp = GDK_Up; break;
125 *ksymp = GDK_Right; break;
127 *ksymp = GDK_Down; break;
129 *ksymp = GDK_Select; break;
131 *ksymp = GDK_Print; break;
133 *ksymp = GDK_Execute; break;
135 *ksymp = GDK_Insert; break;
137 *ksymp = GDK_Delete; break;
139 *ksymp = GDK_Help; break;
141 *ksymp = GDK_Meta_L; break;
143 *ksymp = GDK_Meta_R; break;
145 *ksymp = GDK_Menu; break;
147 *ksymp = GDK_KP_Multiply; break;
149 *ksymp = GDK_KP_Add; break;
151 *ksymp = GDK_KP_Separator; break;
153 *ksymp = GDK_KP_Subtract; break;
155 *ksymp = GDK_KP_Divide; break;
157 *ksymp = GDK_KP_0; break;
159 *ksymp = GDK_KP_1; break;
161 *ksymp = GDK_KP_2; break;
163 *ksymp = GDK_KP_3; break;
165 *ksymp = GDK_KP_4; break;
167 *ksymp = GDK_KP_5; break;
169 *ksymp = GDK_KP_6; break;
171 *ksymp = GDK_KP_7; break;
173 *ksymp = GDK_KP_8; break;
175 *ksymp = GDK_KP_9; break;
177 *ksymp = GDK_F1; break;
179 *ksymp = GDK_F2; break;
181 *ksymp = GDK_F3; break;
183 *ksymp = GDK_F4; break;
185 *ksymp = GDK_F5; break;
187 *ksymp = GDK_F6; break;
189 *ksymp = GDK_F7; break;
191 *ksymp = GDK_F8; break;
193 *ksymp = GDK_F9; break;
195 *ksymp = GDK_F10; break;
197 *ksymp = GDK_F11; break;
199 *ksymp = GDK_F12; break;
201 *ksymp = GDK_F13; break;
203 *ksymp = GDK_F14; break;
205 *ksymp = GDK_F15; break;
207 *ksymp = GDK_F16; break;
209 *ksymp = GDK_F17; break;
211 *ksymp = GDK_F18; break;
213 *ksymp = GDK_F19; break;
215 *ksymp = GDK_F20; break;
217 *ksymp = GDK_F21; break;
219 *ksymp = GDK_F22; break;
221 *ksymp = GDK_F23; break;
223 *ksymp = GDK_F24; break;
225 *ksymp = GDK_Num_Lock; break;
227 *ksymp = GDK_Scroll_Lock; break;
229 *ksymp = GDK_Shift_R; break;
231 *ksymp = GDK_Control_R; break;
233 *ksymp = GDK_Alt_R; break;
238 set_shift_vks (guchar *key_state,
244 key_state[VK_SHIFT] = 0;
245 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
248 key_state[VK_SHIFT] = 0x80;
249 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
252 key_state[VK_SHIFT] = 0;
253 key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
256 key_state[VK_SHIFT] = 0x80;
257 key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
263 reset_after_dead (guchar key_state[256])
265 guchar temp_key_state[256];
268 memmove (temp_key_state, key_state, sizeof (key_state));
270 temp_key_state[VK_SHIFT] =
271 temp_key_state[VK_CONTROL] =
272 temp_key_state[VK_MENU] = 0;
274 ToUnicodeEx (VK_SPACE, MapVirtualKey (VK_SPACE, 0),
275 temp_key_state, wcs, G_N_ELEMENTS (wcs),
276 0, _gdk_input_locale);
280 handle_dead (guint keysym,
285 case '"': /* 0x022 */
286 *ksymp = GDK_dead_diaeresis; break;
287 case '\'': /* 0x027 */
288 *ksymp = GDK_dead_acute; break;
289 case GDK_asciicircum: /* 0x05e */
290 *ksymp = GDK_dead_circumflex; break;
291 case GDK_grave: /* 0x060 */
292 *ksymp = GDK_dead_grave; break;
293 case GDK_asciitilde: /* 0x07e */
294 *ksymp = GDK_dead_tilde; break;
295 case GDK_diaeresis: /* 0x0a8 */
296 *ksymp = GDK_dead_diaeresis; break;
297 case GDK_degree: /* 0x0b0 */
298 *ksymp = GDK_dead_abovering; break;
299 case GDK_acute: /* 0x0b4 */
300 *ksymp = GDK_dead_acute; break;
301 case GDK_periodcentered: /* 0x0b7 */
302 *ksymp = GDK_dead_abovedot; break;
303 case GDK_cedilla: /* 0x0b8 */
304 *ksymp = GDK_dead_cedilla; break;
305 case GDK_breve: /* 0x1a2 */
306 *ksymp = GDK_dead_breve; break;
307 case GDK_ogonek: /* 0x1b2 */
308 *ksymp = GDK_dead_ogonek; break;
309 case GDK_caron: /* 0x1b7 */
310 *ksymp = GDK_dead_caron; break;
311 case GDK_doubleacute: /* 0x1bd */
312 *ksymp = GDK_dead_doubleacute; break;
313 case GDK_abovedot: /* 0x1ff */
314 *ksymp = GDK_dead_abovedot; break;
315 case 0x1000384: /* Greek tonos */
316 *ksymp = GDK_dead_acute; break;
317 case GDK_Greek_accentdieresis: /* 0x7ae */
318 *ksymp = GDK_Greek_accentdieresis; break;
320 /* By default use the keysym as such. This takes care of for
321 * instance the dead U+09CD (BENGALI VIRAMA) on the ekushey
324 *ksymp = keysym; break;
331 static guint current_serial = 0;
332 guchar key_state[256];
335 gboolean capslock_tested = FALSE;
337 if (keysym_tab != NULL && current_serial == _gdk_keymap_serial)
340 current_serial = _gdk_keymap_serial;
342 if (keysym_tab == NULL)
343 keysym_tab = g_new (guint, 4*256);
345 memset (key_state, 0, sizeof (key_state));
347 _gdk_keyboard_has_altgr = FALSE;
348 gdk_shift_modifiers = GDK_SHIFT_MASK;
350 for (vk = 0; vk < 256; vk++)
352 if ((scancode = MapVirtualKey (vk, 0)) == 0 &&
357 keysym_tab[vk*4+3] = GDK_VoidSymbol;
363 _scancode_rshift = scancode;
365 key_state[vk] = 0x80;
366 for (shift = 0; shift < 4; shift++)
368 guint *ksymp = keysym_tab + vk*4 + shift;
370 set_shift_vks (key_state, shift);
374 /* First, handle those virtual keys that we always want
375 * as special GDK_* keysyms, even if ToAsciiEx might
376 * turn some them into a ASCII character (like TAB and
379 handle_special (vk, ksymp, shift);
387 k = ToUnicodeEx (vk, scancode, key_state,
388 wcs, G_N_ELEMENTS (wcs),
389 0, _gdk_input_locale);
391 g_print ("ToUnicodeEx(%#02x, %d: %d): %d, %04x %04x\n",
392 vk, scancode, shift, k,
396 *ksymp = gdk_unicode_to_keyval (wcs[0]);
399 guint keysym = gdk_unicode_to_keyval (wcs[0]);
401 /* It is a dead key, and it's has been stored in
402 * the keyboard layout's state by
403 * ToAsciiEx()/ToUnicodeEx(). Yes, this is an
404 * incredibly silly API! Make the keyboard
405 * layout forget it by calling
406 * ToAsciiEx()/ToUnicodeEx() once more, with the
407 * virtual key code and scancode for the
408 * spacebar, without shift or AltGr. Otherwise
409 * the next call to ToAsciiEx() with a different
410 * key would try to combine with the dead key.
412 reset_after_dead (key_state);
414 /* Use dead keysyms instead of "undead" ones */
415 handle_dead (keysym, ksymp);
419 /* Seems to be necessary to "reset" the keyboard layout
420 * in this case, too. Otherwise problems on NT4.
422 reset_after_dead (key_state);
428 g_print ("ToUnicodeEx returns %d "
429 "for vk:%02x, sc:%02x%s%s\n",
431 (shift&0x1 ? " shift" : ""),
432 (shift&0x2 ? " altgr" : "")));
437 *ksymp = GDK_VoidSymbol;
441 /* Check if keyboard has an AltGr key by checking if
442 * the mapping with Control+Alt is different.
444 if (!_gdk_keyboard_has_altgr)
445 if ((keysym_tab[vk*4 + 2] != GDK_VoidSymbol &&
446 keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
447 (keysym_tab[vk*4 + 3] != GDK_VoidSymbol &&
448 keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
449 _gdk_keyboard_has_altgr = TRUE;
451 if (!capslock_tested)
453 /* Can we use this virtual key to determine the CapsLock
454 * key behaviour: CapsLock or ShiftLock? If it generates
455 * keysyms for printable characters and has a shifted
456 * keysym that isn't just the upperacase of the
457 * unshifted keysym, check the behaviour of VK_CAPITAL.
459 if (g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 0])) &&
460 keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 0] &&
461 g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 1])) &&
462 keysym_tab[vk*4 + 1] != gdk_keyval_to_upper (keysym_tab[vk*4 + 0]))
466 capslock_tested = TRUE;
468 key_state[VK_SHIFT] = 0;
469 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
470 key_state[VK_CAPITAL] = 1;
472 if (ToAsciiEx (vk, scancode, key_state,
473 (LPWORD) chars, 0, _gdk_input_locale) == 1)
475 if (chars[0] >= GDK_space &&
476 chars[0] <= GDK_asciitilde &&
477 chars[0] == keysym_tab[vk*4 + 1])
479 /* CapsLock acts as ShiftLock */
480 gdk_shift_modifiers |= GDK_LOCK_MASK;
483 key_state[VK_CAPITAL] = 0;
488 GDK_NOTE (EVENTS, print_keysym_tab ());
492 gdk_keymap_get_for_display (GdkDisplay *display)
494 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
496 if (default_keymap == NULL)
497 default_keymap = g_object_new (gdk_keymap_get_type (), NULL);
499 return default_keymap;
503 gdk_keymap_get_direction (GdkKeymap *keymap)
507 switch (PRIMARYLANGID (LOWORD ((DWORD) (gintptr) _gdk_input_locale)))
516 return PANGO_DIRECTION_RTL;
519 return PANGO_DIRECTION_LTR;
524 gdk_keymap_have_bidi_layouts (GdkKeymap *keymap)
526 /* Should we check if the kayboard layouts switchable at the moment
527 * cover both directionalities? What does the doc comment in
528 * ../x11/gdkkeys-x11.c exactly mean?
534 gdk_keymap_get_caps_lock_state (GdkKeymap *keymap)
536 return ((GetKeyState (VK_CAPITAL) & 1) != 0);
540 gdk_keymap_get_num_lock_state (GdkKeymap *keymap)
542 return ((GetKeyState (VK_NUMLOCK) & 1) != 0);
546 gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
553 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
554 g_return_val_if_fail (keys != NULL, FALSE);
555 g_return_val_if_fail (n_keys != NULL, FALSE);
556 g_return_val_if_fail (keyval != 0, FALSE);
558 retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
560 /* Accept only the default keymap */
561 if (keymap == NULL || keymap == gdk_keymap_get_default ())
567 for (vk = 0; vk < 256; vk++)
571 for (i = 0; i < 4; i++)
573 if (keysym_tab[vk*4+i] == keyval)
579 /* 2 levels (normal, shift), two groups (normal, AltGr) */
583 g_array_append_val (retval, key);
589 #ifdef G_ENABLE_DEBUG
590 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
594 g_print ("gdk_keymap_get_entries_for_keyval: %#.04x (%s):",
595 keyval, gdk_keyval_name (keyval));
596 for (i = 0; i < retval->len; i++)
598 GdkKeymapKey *entry = (GdkKeymapKey *) retval->data + i;
599 g_print (" %#.02x %d %d", entry->keycode, entry->group, entry->level);
607 *keys = (GdkKeymapKey*) retval->data;
608 *n_keys = retval->len;
616 g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
622 gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
623 guint hardware_keycode,
629 GArray *keyval_array;
631 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
632 g_return_val_if_fail (n_entries != NULL, FALSE);
634 if (hardware_keycode <= 0 ||
635 hardware_keycode >= 256)
647 key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
652 keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
656 /* Accept only the default keymap */
657 if (keymap == NULL || keymap == gdk_keymap_get_default ())
663 for (i = 0; i < 4; i++)
669 key.keycode = hardware_keycode;
674 g_array_append_val (key_array, key);
678 g_array_append_val (keyval_array, keysym_tab[hardware_keycode*4+i]);
682 if ((key_array && key_array->len > 0) ||
683 (keyval_array && keyval_array->len > 0))
686 *keys = (GdkKeymapKey*) key_array->data;
689 *keyvals = (guint*) keyval_array->data;
692 *n_entries = key_array->len;
694 *n_entries = keyval_array->len;
708 g_array_free (key_array, key_array->len > 0 ? FALSE : TRUE);
710 g_array_free (keyval_array, keyval_array->len > 0 ? FALSE : TRUE);
712 return *n_entries > 0;
716 gdk_keymap_lookup_key (GdkKeymap *keymap,
717 const GdkKeymapKey *key)
721 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
722 g_return_val_if_fail (key != NULL, 0);
723 g_return_val_if_fail (key->group < 4, 0);
725 /* Accept only the default keymap */
726 if (keymap != NULL && keymap != gdk_keymap_get_default ())
731 if (key->keycode >= 256 ||
732 key->group < 0 || key->group >= 2 ||
733 key->level < 0 || key->level >= 2)
736 sym = keysym_tab[key->keycode*4 + key->group*2 + key->level];
738 if (sym == GDK_VoidSymbol)
745 gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
746 guint hardware_keycode,
747 GdkModifierType state,
750 gint *effective_group,
752 GdkModifierType *consumed_modifiers)
757 gboolean ignore_shift = FALSE;
758 gboolean ignore_group = FALSE;
760 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
761 g_return_val_if_fail (group < 4, FALSE);
764 GDK_NOTE (EVENTS, g_print ("gdk_keymap_translate_keyboard_state: keycode=%#x state=%#x group=%d\n",
765 hardware_keycode, state, group));
770 *effective_group = 0;
773 if (consumed_modifiers)
774 *consumed_modifiers = 0;
776 /* Accept only the default keymap */
777 if (keymap != NULL && keymap != gdk_keymap_get_default ())
780 if (hardware_keycode >= 256)
783 if (group < 0 || group >= 2)
788 keyvals = keysym_tab + hardware_keycode*4;
790 if ((state & GDK_LOCK_MASK) &&
791 (state & GDK_SHIFT_MASK) &&
792 ((gdk_shift_modifiers & GDK_LOCK_MASK) ||
793 (keyvals[group*2 + 1] == gdk_keyval_to_upper (keyvals[group*2 + 0]))))
794 /* Shift always disables ShiftLock. Shift disables CapsLock for
795 * keys with lowercase/uppercase letter pairs.
798 else if (state & gdk_shift_modifiers)
803 /* Drop group and shift if there are no keysymbols on
806 if (shift_level == 1 &&
807 keyvals[group*2 + 1] == GDK_VoidSymbol &&
808 keyvals[group*2] != GDK_VoidSymbol)
815 keyvals[2 + shift_level] == GDK_VoidSymbol &&
816 keyvals[0 + shift_level] != GDK_VoidSymbol)
822 if (keyvals[group *2 + shift_level] == GDK_VoidSymbol &&
823 keyvals[0 + 0] != GDK_VoidSymbol)
831 /* See whether the group and shift level actually mattered
832 * to know what to put in consumed_modifiers
834 if (keyvals[group*2 + 1] == GDK_VoidSymbol ||
835 keyvals[group*2 + 0] == keyvals[group*2 + 1])
838 if (keyvals[2 + shift_level] == GDK_VoidSymbol ||
839 keyvals[0 + shift_level] == keyvals[2 + shift_level])
842 tmp_keyval = keyvals[group*2 + shift_level];
844 /* If a true CapsLock is toggled, and Shift is not down,
845 * and the shifted keysym is the uppercase of the unshifted,
848 if (!(gdk_shift_modifiers & GDK_LOCK_MASK) &&
849 !(state & GDK_SHIFT_MASK) &&
850 (state & GDK_LOCK_MASK))
852 guint upper = gdk_keyval_to_upper (tmp_keyval);
853 if (upper == keyvals[group*2 + 1])
858 *keyval = tmp_keyval;
861 *effective_group = group;
864 *level = shift_level;
866 if (consumed_modifiers)
868 *consumed_modifiers =
869 (ignore_group ? 0 : GDK_MOD2_MASK) |
870 (ignore_shift ? 0 : (GDK_SHIFT_MASK|GDK_LOCK_MASK));
874 GDK_NOTE (EVENTS, g_print ("... group=%d level=%d cmods=%#x keyval=%s\n",
875 group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));
878 return tmp_keyval != GDK_VoidSymbol;
882 gdk_keymap_add_virtual_modifiers (GdkKeymap *keymap,
883 GdkModifierType *state)
888 gdk_keymap_map_virtual_modifiers (GdkKeymap *keymap,
889 GdkModifierType *state)
891 /* FIXME: Is this the right thing to do? */