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, see <http://www.gnu.org/licenses/>.
19 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GTK+ Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
33 #include "gdkprivate-win32.h"
34 #include "gdkinternals.h"
35 #include "gdkkeysyms.h"
36 #include "gdkkeysprivate.h"
37 #include "gdkwin32keys.h"
41 struct _GdkWin32KeymapClass
43 GdkKeymapClass parent_class;
46 struct _GdkWin32Keymap
48 GdkKeymap parent_instance;
51 G_DEFINE_TYPE (GdkWin32Keymap, gdk_win32_keymap, GDK_TYPE_KEYMAP)
54 gdk_win32_keymap_init (GdkWin32Keymap *keymap)
58 guint _gdk_keymap_serial = 0;
59 gboolean _gdk_keyboard_has_altgr = FALSE;
60 guint _scancode_rshift = 0;
62 static GdkModifierType gdk_shift_modifiers = GDK_SHIFT_MASK;
64 static GdkKeymap *default_keymap = NULL;
66 static guint *keysym_tab = NULL;
70 print_keysym_tab (void)
74 g_print ("keymap:%s%s\n",
75 _gdk_keyboard_has_altgr ? " (uses AltGr)" : "",
76 (gdk_shift_modifiers & GDK_LOCK_MASK) ? " (has ShiftLock)" : "");
77 for (vk = 0; vk < 256; vk++)
81 g_print ("%#.02x: ", vk);
82 for (state = 0; state < 4; state++)
84 gchar *name = gdk_keyval_name (keysym_tab[vk*4 + state]);
87 g_print ("%s ", name);
95 handle_special (guint vk,
103 *ksymp = GDK_KEY_Cancel; break;
105 *ksymp = GDK_KEY_BackSpace; break;
108 *ksymp = GDK_KEY_ISO_Left_Tab;
110 *ksymp = GDK_KEY_Tab;
113 *ksymp = GDK_KEY_Clear; break;
115 *ksymp = GDK_KEY_Return; break;
118 *ksymp = GDK_KEY_Shift_L; break;
121 *ksymp = GDK_KEY_Control_L; break;
124 *ksymp = GDK_KEY_Alt_L; break;
126 *ksymp = GDK_KEY_Pause; break;
128 *ksymp = GDK_KEY_Escape; break;
130 *ksymp = GDK_KEY_Prior; break;
132 *ksymp = GDK_KEY_Next; break;
134 *ksymp = GDK_KEY_End; break;
136 *ksymp = GDK_KEY_Home; break;
138 *ksymp = GDK_KEY_Left; break;
140 *ksymp = GDK_KEY_Up; break;
142 *ksymp = GDK_KEY_Right; break;
144 *ksymp = GDK_KEY_Down; break;
146 *ksymp = GDK_KEY_Select; break;
148 *ksymp = GDK_KEY_Print; break;
150 *ksymp = GDK_KEY_Execute; break;
152 *ksymp = GDK_KEY_Insert; break;
154 *ksymp = GDK_KEY_Delete; break;
156 *ksymp = GDK_KEY_Help; break;
158 *ksymp = GDK_KEY_Meta_L; break;
160 *ksymp = GDK_KEY_Meta_R; break;
162 *ksymp = GDK_KEY_Menu; break;
164 *ksymp = GDK_KEY_KP_Multiply; break;
166 *ksymp = GDK_KEY_KP_Add; break;
168 *ksymp = GDK_KEY_KP_Separator; break;
170 *ksymp = GDK_KEY_KP_Subtract; break;
172 *ksymp = GDK_KEY_KP_Divide; break;
174 *ksymp = GDK_KEY_KP_0; break;
176 *ksymp = GDK_KEY_KP_1; break;
178 *ksymp = GDK_KEY_KP_2; break;
180 *ksymp = GDK_KEY_KP_3; break;
182 *ksymp = GDK_KEY_KP_4; break;
184 *ksymp = GDK_KEY_KP_5; break;
186 *ksymp = GDK_KEY_KP_6; break;
188 *ksymp = GDK_KEY_KP_7; break;
190 *ksymp = GDK_KEY_KP_8; break;
192 *ksymp = GDK_KEY_KP_9; break;
194 *ksymp = GDK_KEY_F1; break;
196 *ksymp = GDK_KEY_F2; break;
198 *ksymp = GDK_KEY_F3; break;
200 *ksymp = GDK_KEY_F4; break;
202 *ksymp = GDK_KEY_F5; break;
204 *ksymp = GDK_KEY_F6; break;
206 *ksymp = GDK_KEY_F7; break;
208 *ksymp = GDK_KEY_F8; break;
210 *ksymp = GDK_KEY_F9; break;
212 *ksymp = GDK_KEY_F10; break;
214 *ksymp = GDK_KEY_F11; break;
216 *ksymp = GDK_KEY_F12; break;
218 *ksymp = GDK_KEY_F13; break;
220 *ksymp = GDK_KEY_F14; break;
222 *ksymp = GDK_KEY_F15; break;
224 *ksymp = GDK_KEY_F16; break;
226 *ksymp = GDK_KEY_F17; break;
228 *ksymp = GDK_KEY_F18; break;
230 *ksymp = GDK_KEY_F19; break;
232 *ksymp = GDK_KEY_F20; break;
234 *ksymp = GDK_KEY_F21; break;
236 *ksymp = GDK_KEY_F22; break;
238 *ksymp = GDK_KEY_F23; break;
240 *ksymp = GDK_KEY_F24; break;
242 *ksymp = GDK_KEY_Num_Lock; break;
244 *ksymp = GDK_KEY_Scroll_Lock; break;
246 *ksymp = GDK_KEY_Shift_R; break;
248 *ksymp = GDK_KEY_Control_R; break;
250 *ksymp = GDK_KEY_Alt_R; break;
255 set_shift_vks (guchar *key_state,
261 key_state[VK_SHIFT] = 0;
262 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
265 key_state[VK_SHIFT] = 0x80;
266 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
269 key_state[VK_SHIFT] = 0;
270 key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
273 key_state[VK_SHIFT] = 0x80;
274 key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
280 reset_after_dead (guchar key_state[256])
282 guchar temp_key_state[256];
285 memmove (temp_key_state, key_state, sizeof (key_state));
287 temp_key_state[VK_SHIFT] =
288 temp_key_state[VK_CONTROL] =
289 temp_key_state[VK_MENU] = 0;
291 ToUnicodeEx (VK_SPACE, MapVirtualKey (VK_SPACE, 0),
292 temp_key_state, wcs, G_N_ELEMENTS (wcs),
293 0, _gdk_input_locale);
297 handle_dead (guint keysym,
302 case '"': /* 0x022 */
303 *ksymp = GDK_KEY_dead_diaeresis; break;
304 case '\'': /* 0x027 */
305 *ksymp = GDK_KEY_dead_acute; break;
306 case GDK_KEY_asciicircum: /* 0x05e */
307 *ksymp = GDK_KEY_dead_circumflex; break;
308 case GDK_KEY_grave: /* 0x060 */
309 *ksymp = GDK_KEY_dead_grave; break;
310 case GDK_KEY_asciitilde: /* 0x07e */
311 *ksymp = GDK_KEY_dead_tilde; break;
312 case GDK_KEY_diaeresis: /* 0x0a8 */
313 *ksymp = GDK_KEY_dead_diaeresis; break;
314 case GDK_KEY_degree: /* 0x0b0 */
315 *ksymp = GDK_KEY_dead_abovering; break;
316 case GDK_KEY_acute: /* 0x0b4 */
317 *ksymp = GDK_KEY_dead_acute; break;
318 case GDK_KEY_periodcentered: /* 0x0b7 */
319 *ksymp = GDK_KEY_dead_abovedot; break;
320 case GDK_KEY_cedilla: /* 0x0b8 */
321 *ksymp = GDK_KEY_dead_cedilla; break;
322 case GDK_KEY_breve: /* 0x1a2 */
323 *ksymp = GDK_KEY_dead_breve; break;
324 case GDK_KEY_ogonek: /* 0x1b2 */
325 *ksymp = GDK_KEY_dead_ogonek; break;
326 case GDK_KEY_caron: /* 0x1b7 */
327 *ksymp = GDK_KEY_dead_caron; break;
328 case GDK_KEY_doubleacute: /* 0x1bd */
329 *ksymp = GDK_KEY_dead_doubleacute; break;
330 case GDK_KEY_abovedot: /* 0x1ff */
331 *ksymp = GDK_KEY_dead_abovedot; break;
332 case 0x1000384: /* Greek tonos */
333 *ksymp = GDK_KEY_dead_acute; break;
334 case GDK_KEY_Greek_accentdieresis: /* 0x7ae */
335 *ksymp = GDK_KEY_Greek_accentdieresis; break;
337 /* By default use the keysym as such. This takes care of for
338 * instance the dead U+09CD (BENGALI VIRAMA) on the ekushey
341 *ksymp = keysym; break;
348 static guint current_serial = 0;
349 guchar key_state[256];
352 gboolean capslock_tested = FALSE;
354 if (keysym_tab != NULL && current_serial == _gdk_keymap_serial)
357 current_serial = _gdk_keymap_serial;
359 if (keysym_tab == NULL)
360 keysym_tab = g_new (guint, 4*256);
362 memset (key_state, 0, sizeof (key_state));
364 _gdk_keyboard_has_altgr = FALSE;
365 gdk_shift_modifiers = GDK_SHIFT_MASK;
367 for (vk = 0; vk < 256; vk++)
369 if ((scancode = MapVirtualKey (vk, 0)) == 0 &&
374 keysym_tab[vk*4+3] = GDK_KEY_VoidSymbol;
380 _scancode_rshift = scancode;
382 key_state[vk] = 0x80;
383 for (shift = 0; shift < 4; shift++)
385 guint *ksymp = keysym_tab + vk*4 + shift;
387 set_shift_vks (key_state, shift);
391 /* First, handle those virtual keys that we always want
392 * as special GDK_* keysyms, even if ToAsciiEx might
393 * turn some them into a ASCII character (like TAB and
396 handle_special (vk, ksymp, shift);
404 k = ToUnicodeEx (vk, scancode, key_state,
405 wcs, G_N_ELEMENTS (wcs),
406 0, _gdk_input_locale);
408 g_print ("ToUnicodeEx(%#02x, %d: %d): %d, %04x %04x\n",
409 vk, scancode, shift, k,
413 *ksymp = gdk_unicode_to_keyval (wcs[0]);
416 guint keysym = gdk_unicode_to_keyval (wcs[0]);
418 /* It is a dead key, and it has been stored in
419 * the keyboard layout's state by
420 * ToAsciiEx()/ToUnicodeEx(). Yes, this is an
421 * incredibly silly API! Make the keyboard
422 * layout forget it by calling
423 * ToAsciiEx()/ToUnicodeEx() once more, with the
424 * virtual key code and scancode for the
425 * spacebar, without shift or AltGr. Otherwise
426 * the next call to ToAsciiEx() with a different
427 * key would try to combine with the dead key.
429 reset_after_dead (key_state);
431 /* Use dead keysyms instead of "undead" ones */
432 handle_dead (keysym, ksymp);
436 /* Seems to be necessary to "reset" the keyboard layout
437 * in this case, too. Otherwise problems on NT4.
439 reset_after_dead (key_state);
445 g_print ("ToUnicodeEx returns %d "
446 "for vk:%02x, sc:%02x%s%s\n",
448 (shift&0x1 ? " shift" : ""),
449 (shift&0x2 ? " altgr" : "")));
454 *ksymp = GDK_KEY_VoidSymbol;
458 /* Check if keyboard has an AltGr key by checking if
459 * the mapping with Control+Alt is different.
461 if (!_gdk_keyboard_has_altgr)
462 if ((keysym_tab[vk*4 + 2] != GDK_KEY_VoidSymbol &&
463 keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
464 (keysym_tab[vk*4 + 3] != GDK_KEY_VoidSymbol &&
465 keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
466 _gdk_keyboard_has_altgr = TRUE;
468 if (!capslock_tested)
470 /* Can we use this virtual key to determine the CapsLock
471 * key behaviour: CapsLock or ShiftLock? If it generates
472 * keysyms for printable characters and has a shifted
473 * keysym that isn't just the upperacase of the
474 * unshifted keysym, check the behaviour of VK_CAPITAL.
476 if (g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 0])) &&
477 keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 0] &&
478 g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 1])) &&
479 keysym_tab[vk*4 + 1] != gdk_keyval_to_upper (keysym_tab[vk*4 + 0]))
483 capslock_tested = TRUE;
485 key_state[VK_SHIFT] = 0;
486 key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
487 key_state[VK_CAPITAL] = 1;
489 if (ToAsciiEx (vk, scancode, key_state,
490 (LPWORD) chars, 0, _gdk_input_locale) == 1)
492 if (chars[0] >= GDK_KEY_space &&
493 chars[0] <= GDK_KEY_asciitilde &&
494 chars[0] == keysym_tab[vk*4 + 1])
496 /* CapsLock acts as ShiftLock */
497 gdk_shift_modifiers |= GDK_LOCK_MASK;
500 key_state[VK_CAPITAL] = 0;
505 GDK_NOTE (EVENTS, print_keysym_tab ());
509 _gdk_win32_display_get_keymap (GdkDisplay *display)
511 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
513 if (default_keymap == NULL)
514 default_keymap = g_object_new (gdk_win32_keymap_get_type (), NULL);
516 return default_keymap;
519 static PangoDirection
520 gdk_win32_keymap_get_direction (GdkKeymap *keymap)
524 switch (PRIMARYLANGID (LOWORD ((DWORD) (gintptr) _gdk_input_locale)))
533 return PANGO_DIRECTION_RTL;
536 return PANGO_DIRECTION_LTR;
541 gdk_win32_keymap_have_bidi_layouts (GdkKeymap *keymap)
543 /* Should we check if the kayboard layouts switchable at the moment
544 * cover both directionalities? What does the doc comment in
545 * ../x11/gdkkeys-x11.c exactly mean?
551 gdk_win32_keymap_get_caps_lock_state (GdkKeymap *keymap)
553 return ((GetKeyState (VK_CAPITAL) & 1) != 0);
557 gdk_win32_keymap_get_num_lock_state (GdkKeymap *keymap)
559 return ((GetKeyState (VK_NUMLOCK) & 1) != 0);
563 gdk_win32_keymap_get_entries_for_keyval (GdkKeymap *keymap,
570 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
571 g_return_val_if_fail (keys != NULL, FALSE);
572 g_return_val_if_fail (n_keys != NULL, FALSE);
573 g_return_val_if_fail (keyval != 0, FALSE);
575 retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
577 /* Accept only the default keymap */
578 if (keymap == NULL || keymap == gdk_keymap_get_default ())
584 for (vk = 0; vk < 256; vk++)
588 for (i = 0; i < 4; i++)
590 if (keysym_tab[vk*4+i] == keyval)
596 /* 2 levels (normal, shift), two groups (normal, AltGr) */
600 g_array_append_val (retval, key);
606 #ifdef G_ENABLE_DEBUG
607 if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
611 g_print ("gdk_keymap_get_entries_for_keyval: %#.04x (%s):",
612 keyval, gdk_keyval_name (keyval));
613 for (i = 0; i < retval->len; i++)
615 GdkKeymapKey *entry = (GdkKeymapKey *) retval->data + i;
616 g_print (" %#.02x %d %d", entry->keycode, entry->group, entry->level);
624 *keys = (GdkKeymapKey*) retval->data;
625 *n_keys = retval->len;
633 g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
639 gdk_win32_keymap_get_entries_for_keycode (GdkKeymap *keymap,
640 guint hardware_keycode,
646 GArray *keyval_array;
648 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
649 g_return_val_if_fail (n_entries != NULL, FALSE);
651 if (hardware_keycode <= 0 ||
652 hardware_keycode >= 256)
664 key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
669 keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
673 /* Accept only the default keymap */
674 if (keymap == NULL || keymap == gdk_keymap_get_default ())
680 for (i = 0; i < 4; i++)
686 key.keycode = hardware_keycode;
691 g_array_append_val (key_array, key);
695 g_array_append_val (keyval_array, keysym_tab[hardware_keycode*4+i]);
699 if ((key_array && key_array->len > 0) ||
700 (keyval_array && keyval_array->len > 0))
703 *keys = (GdkKeymapKey*) key_array->data;
706 *keyvals = (guint*) keyval_array->data;
709 *n_entries = key_array->len;
711 *n_entries = keyval_array->len;
725 g_array_free (key_array, key_array->len > 0 ? FALSE : TRUE);
727 g_array_free (keyval_array, keyval_array->len > 0 ? FALSE : TRUE);
729 return *n_entries > 0;
733 gdk_win32_keymap_lookup_key (GdkKeymap *keymap,
734 const GdkKeymapKey *key)
738 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
739 g_return_val_if_fail (key != NULL, 0);
740 g_return_val_if_fail (key->group < 4, 0);
742 /* Accept only the default keymap */
743 if (keymap != NULL && keymap != gdk_keymap_get_default ())
748 if (key->keycode >= 256 ||
749 key->group < 0 || key->group >= 2 ||
750 key->level < 0 || key->level >= 2)
753 sym = keysym_tab[key->keycode*4 + key->group*2 + key->level];
755 if (sym == GDK_KEY_VoidSymbol)
762 gdk_win32_keymap_translate_keyboard_state (GdkKeymap *keymap,
763 guint hardware_keycode,
764 GdkModifierType state,
767 gint *effective_group,
769 GdkModifierType *consumed_modifiers)
774 gboolean ignore_shift = FALSE;
775 gboolean ignore_group = FALSE;
777 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
778 g_return_val_if_fail (group < 4, FALSE);
781 GDK_NOTE (EVENTS, g_print ("gdk_keymap_translate_keyboard_state: keycode=%#x state=%#x group=%d\n",
782 hardware_keycode, state, group));
787 *effective_group = 0;
790 if (consumed_modifiers)
791 *consumed_modifiers = 0;
793 /* Accept only the default keymap */
794 if (keymap != NULL && keymap != gdk_keymap_get_default ())
797 if (hardware_keycode >= 256)
800 if (group < 0 || group >= 2)
805 keyvals = keysym_tab + hardware_keycode*4;
807 if ((state & GDK_LOCK_MASK) &&
808 (state & GDK_SHIFT_MASK) &&
809 ((gdk_shift_modifiers & GDK_LOCK_MASK) ||
810 (keyvals[group*2 + 1] == gdk_keyval_to_upper (keyvals[group*2 + 0]))))
811 /* Shift always disables ShiftLock. Shift disables CapsLock for
812 * keys with lowercase/uppercase letter pairs.
815 else if (state & gdk_shift_modifiers)
820 /* Drop group and shift if there are no keysymbols on
823 if (shift_level == 1 &&
824 keyvals[group*2 + 1] == GDK_KEY_VoidSymbol &&
825 keyvals[group*2] != GDK_KEY_VoidSymbol)
832 keyvals[2 + shift_level] == GDK_KEY_VoidSymbol &&
833 keyvals[0 + shift_level] != GDK_KEY_VoidSymbol)
839 if (keyvals[group *2 + shift_level] == GDK_KEY_VoidSymbol &&
840 keyvals[0 + 0] != GDK_KEY_VoidSymbol)
848 /* See whether the group and shift level actually mattered
849 * to know what to put in consumed_modifiers
851 if (keyvals[group*2 + 1] == GDK_KEY_VoidSymbol ||
852 keyvals[group*2 + 0] == keyvals[group*2 + 1])
855 if (keyvals[2 + shift_level] == GDK_KEY_VoidSymbol ||
856 keyvals[0 + shift_level] == keyvals[2 + shift_level])
859 tmp_keyval = keyvals[group*2 + shift_level];
861 /* If a true CapsLock is toggled, and Shift is not down,
862 * and the shifted keysym is the uppercase of the unshifted,
865 if (!(gdk_shift_modifiers & GDK_LOCK_MASK) &&
866 !(state & GDK_SHIFT_MASK) &&
867 (state & GDK_LOCK_MASK))
869 guint upper = gdk_keyval_to_upper (tmp_keyval);
870 if (upper == keyvals[group*2 + 1])
875 *keyval = tmp_keyval;
878 *effective_group = group;
881 *level = shift_level;
883 if (consumed_modifiers)
885 *consumed_modifiers =
886 (ignore_group ? 0 : GDK_MOD2_MASK) |
887 (ignore_shift ? 0 : (GDK_SHIFT_MASK|GDK_LOCK_MASK));
891 GDK_NOTE (EVENTS, g_print ("... group=%d level=%d cmods=%#x keyval=%s\n",
892 group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));
895 return tmp_keyval != GDK_KEY_VoidSymbol;
899 gdk_win32_keymap_add_virtual_modifiers (GdkKeymap *keymap,
900 GdkModifierType *state)
905 gdk_win32_keymap_map_virtual_modifiers (GdkKeymap *keymap,
906 GdkModifierType *state)
908 /* FIXME: Is this the right thing to do? */
913 gdk_win32_keymap_finalize (GObject *object)
918 gdk_win32_keymap_class_init (GdkWin32KeymapClass *klass)
920 GObjectClass *object_class = G_OBJECT_CLASS (klass);
921 GdkKeymapClass *keymap_class = GDK_KEYMAP_CLASS (klass);
923 object_class->finalize = gdk_win32_keymap_finalize;
925 keymap_class->get_direction = gdk_win32_keymap_get_direction;
926 keymap_class->have_bidi_layouts = gdk_win32_keymap_have_bidi_layouts;
927 keymap_class->get_caps_lock_state = gdk_win32_keymap_get_caps_lock_state;
928 keymap_class->get_num_lock_state = gdk_win32_keymap_get_num_lock_state;
929 keymap_class->get_entries_for_keyval = gdk_win32_keymap_get_entries_for_keyval;
930 keymap_class->get_entries_for_keycode = gdk_win32_keymap_get_entries_for_keycode;
931 keymap_class->lookup_key = gdk_win32_keymap_lookup_key;
932 keymap_class->translate_keyboard_state = gdk_win32_keymap_translate_keyboard_state;
933 keymap_class->add_virtual_modifiers = gdk_win32_keymap_add_virtual_modifiers;
934 keymap_class->map_virtual_modifiers = gdk_win32_keymap_map_virtual_modifiers;