3 * Copyright (C) 2000 Red Hat, Inc.
4 * Copyright (C) 2005 Imendio AB
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
21 /* Some parts of this code come from quartzKeyboard.c,
22 * from the Apple X11 Server.
24 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
26 * Permission is hereby granted, free of charge, to any person
27 * obtaining a copy of this software and associated documentation files
28 * (the "Software"), to deal in the Software without restriction,
29 * including without limitation the rights to use, copy, modify, merge,
30 * publish, distribute, sublicense, and/or sell copies of the Software,
31 * and to permit persons to whom the Software is furnished to do so,
32 * subject to the following conditions:
34 * The above copyright notice and this permission notice shall be
35 * included in all copies or substantial portions of the Software.
37 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
38 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
39 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
40 * NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
41 * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
42 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
44 * DEALINGS IN THE SOFTWARE.
46 * Except as contained in this notice, the name(s) of the above
47 * copyright holders shall not be used in advertising or otherwise to
48 * promote the sale, use or other dealings in this Software without
49 * prior written authorization.
54 #include <Carbon/Carbon.h>
56 #include "gdkkeysyms.h"
58 #define NUM_KEYCODES 128
59 #define KEYVALS_PER_KEYCODE 4
61 static GdkKeymap *default_keymap = NULL;
63 static KeyboardLayoutRef current_layout = NULL;
65 /* This is a table of all keyvals. Each keycode gets KEYVALS_PER_KEYCODE entries.
66 * TThere is 1 keyval per modifier (Nothing, Shift, Alt, Shift+Alt);
68 static guint *keyval_array = NULL;
71 macroman2ucs (unsigned char c)
73 /* Precalculated table mapping MacRoman-128 to Unicode. Generated
74 by creating single element CFStringRefs then extracting the
77 static const unsigned short table[128] = {
78 0xc4, 0xc5, 0xc7, 0xc9, 0xd1, 0xd6, 0xdc, 0xe1,
79 0xe0, 0xe2, 0xe4, 0xe3, 0xe5, 0xe7, 0xe9, 0xe8,
80 0xea, 0xeb, 0xed, 0xec, 0xee, 0xef, 0xf1, 0xf3,
81 0xf2, 0xf4, 0xf6, 0xf5, 0xfa, 0xf9, 0xfb, 0xfc,
82 0x2020, 0xb0, 0xa2, 0xa3, 0xa7, 0x2022, 0xb6, 0xdf,
83 0xae, 0xa9, 0x2122, 0xb4, 0xa8, 0x2260, 0xc6, 0xd8,
84 0x221e, 0xb1, 0x2264, 0x2265, 0xa5, 0xb5, 0x2202, 0x2211,
85 0x220f, 0x3c0, 0x222b, 0xaa, 0xba, 0x3a9, 0xe6, 0xf8,
86 0xbf, 0xa1, 0xac, 0x221a, 0x192, 0x2248, 0x2206, 0xab,
87 0xbb, 0x2026, 0xa0, 0xc0, 0xc3, 0xd5, 0x152, 0x153,
88 0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0xf7, 0x25ca,
89 0xff, 0x178, 0x2044, 0x20ac, 0x2039, 0x203a, 0xfb01, 0xfb02,
90 0x2021, 0xb7, 0x201a, 0x201e, 0x2030, 0xc2, 0xca, 0xc1,
91 0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0xd3, 0xd4,
92 0xf8ff, 0xd2, 0xda, 0xdb, 0xd9, 0x131, 0x2c6, 0x2dc,
93 0xaf, 0x2d8, 0x2d9, 0x2da, 0xb8, 0x2dd, 0x2db, 0x2c7,
99 return table[c - 128];
102 const static struct {
108 { 57, GDK_Caps_Lock },
110 { 59, GDK_Control_L },
113 { 62, GDK_Control_R },
131 const static struct {
133 guint normal_keyval, keypad_keyval;
134 } known_numeric_keys[] = {
135 { 65, GDK_period, GDK_KP_Decimal },
136 { 67, GDK_asterisk, GDK_KP_Multiply },
137 { 69, GDK_plus, GDK_KP_Add },
138 { 75, GDK_slash, GDK_KP_Divide },
139 { 76, 0x01000003, GDK_KP_Enter },
140 { 78, GDK_minus, GDK_KP_Subtract },
141 { 81, GDK_equal, GDK_KP_Equal },
142 { 82, GDK_0, GDK_KP_0 },
143 { 83, GDK_1, GDK_KP_1 },
144 { 84, GDK_2, GDK_KP_2 },
145 { 85, GDK_3, GDK_KP_3 },
146 { 86, GDK_4, GDK_KP_4 },
147 { 87, GDK_5, GDK_KP_5 },
148 { 88, GDK_6, GDK_KP_6 },
149 { 89, GDK_7, GDK_KP_7 },
150 { 91, GDK_8, GDK_KP_8 },
151 { 92, GDK_9, GDK_KP_9 },
154 /* These values aren't covered by gdk_unicode_to_keyval */
155 const static struct {
158 } special_ucs_table [] = {
159 { 0x0001, GDK_Home },
160 { 0x0008, GDK_BackSpace },
162 { 0x000d, GDK_Return },
163 { 0x001c, GDK_Left },
164 { 0x001d, GDK_Right },
166 { 0x001f, GDK_Down },
170 maybe_update_keymap (void)
172 KeyboardLayoutRef new_layout;
174 KLGetCurrentKeyboardLayout (&new_layout);
176 if (new_layout != current_layout)
181 KeyboardLayoutKind layout_kind;
183 g_free (keyval_array);
184 keyval_array = g_new0 (guint, NUM_KEYCODES * KEYVALS_PER_KEYCODE);
186 /* Get the layout kind */
187 KLGetKeyboardLayoutProperty (new_layout, kKLKind, (const void **)&layout_kind);
189 /* 8-bit-only keyabord layout */
190 if (layout_kind == kKLKCHRKind)
192 const void *chr_data;
195 KLGetKeyboardLayoutProperty (new_layout, kKLKCHRData, (const void **)&chr_data);
197 for (i = 0; i < NUM_KEYCODES; i++)
200 UInt32 modifiers[] = {0, shiftKey, optionKey, shiftKey|optionKey};
202 p = keyval_array + i * KEYVALS_PER_KEYCODE;
204 for (j = 0; j < KEYVALS_PER_KEYCODE; j++)
210 key_code = modifiers[j]|i;
211 c = KeyTranslate (chr_data, key_code, &state);
216 c = KeyTranslate (chr_data, key_code | 128, &state2);
219 if (c != 0 && c != 0x10)
222 gboolean found = FALSE;
224 /* FIXME: some keyboard layouts (e.g. Russian) use
225 * a different 8-bit character set. We should
226 * check for this. Not a serious problem, because
227 * most (all?) of these layouts also have a
230 uc = macroman2ucs (c);
232 for (k = 0; k < G_N_ELEMENTS (special_ucs_table); k++)
234 if (special_ucs_table[k].ucs_value == uc)
236 p[j] = special_ucs_table[k].keyval;
243 p[j] = gdk_unicode_to_keyval (uc);
258 /* unicode keyboard layout */
259 else if (layout_kind == kKLKCHRuchrKind || layout_kind == kKLuchrKind)
261 const void *chr_data;
264 KLGetKeyboardLayoutProperty (new_layout, kKLuchrData, (const void **)&chr_data);
266 for (i = 0; i < NUM_KEYCODES; i++)
269 UInt32 modifiers[] = {0, shiftKey, optionKey, shiftKey|optionKey};
273 p = keyval_array + i * KEYVALS_PER_KEYCODE;
275 for (j = 0; j < KEYVALS_PER_KEYCODE; j++)
282 key_code = modifiers[j]|i;
283 err = UCKeyTranslate (chr_data, i, kUCKeyActionDown,
284 (modifiers[j] >> 8) & 0xFF,
286 kUCKeyTranslateNoDeadKeysMask,
287 &state, 4, &nChars, chars);
290 /* FIXME: Theoretically, we can get multiple UTF-16 values;
291 * we should convert them to proper unicode and figure
292 * out whether there are really keyboard layouts that
293 * give us more than one character for one keypress. */
294 if (err == noErr && nChars == 1)
297 gboolean found = FALSE;
301 for (k = 0; k < G_N_ELEMENTS (special_ucs_table); k++)
303 if (special_ucs_table[k].ucs_value == uc)
305 p[j] = special_ucs_table[k].keyval;
312 p[j] = gdk_unicode_to_keyval (uc);
329 g_error ("unknown type of keyboard layout (neither KCHR nor uchr)"
330 " - not supported right now");
333 for (i = 0; i < G_N_ELEMENTS (known_keys); i++)
335 p = keyval_array + known_keys[i].keycode * KEYVALS_PER_KEYCODE;
337 if (p[0] == 0 && p[1] == 0 &&
338 p[2] == 0 && p[3] == 0)
339 p[0] = known_keys[i].keyval;
342 for (i = 0; i < G_N_ELEMENTS (known_numeric_keys); i++)
344 p = keyval_array + known_numeric_keys[i].keycode * KEYVALS_PER_KEYCODE;
346 if (p[0] == known_numeric_keys[i].normal_keyval);
347 p[0] = known_numeric_keys[i].keypad_keyval;
351 g_signal_emit_by_name (default_keymap, "keys_changed");
353 current_layout = new_layout;
358 gdk_keymap_get_for_display (GdkDisplay *display)
360 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
362 if (default_keymap == NULL)
363 default_keymap = g_object_new (gdk_keymap_get_type (), NULL);
365 return default_keymap;
369 gdk_keymap_get_direction (GdkKeymap *keymap)
371 return PANGO_DIRECTION_NEUTRAL;
375 gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
383 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
384 g_return_val_if_fail (keys != NULL, FALSE);
385 g_return_val_if_fail (n_keys != NULL, FALSE);
386 g_return_val_if_fail (keyval != 0, FALSE);
388 maybe_update_keymap ();
391 keys_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
393 for (i = 0; i < NUM_KEYCODES * KEYVALS_PER_KEYCODE; i++)
397 if (keyval_array[i] != keyval)
402 key.keycode = i / KEYVALS_PER_KEYCODE;
404 key.level = i % KEYVALS_PER_KEYCODE;
406 g_array_append_val (keys_array, key);
409 *keys = (GdkKeymapKey *)g_array_free (keys_array, FALSE);
415 gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
416 guint hardware_keycode,
421 GArray *keys_array, *keyvals_array;
425 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
426 g_return_val_if_fail (n_entries != NULL, FALSE);
428 maybe_update_keymap ();
432 if (hardware_keycode > NUM_KEYCODES)
436 keys_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
441 keyvals_array = g_array_new (FALSE, FALSE, sizeof (guint));
443 keyvals_array = NULL;
445 p = keyval_array + hardware_keycode * KEYVALS_PER_KEYCODE;
447 for (i = 0; i < KEYVALS_PER_KEYCODE; i++)
455 g_array_append_val (keyvals_array, p[i]);
461 key.keycode = hardware_keycode;
465 g_array_append_val (keys_array, key);
470 *keys = (GdkKeymapKey *)g_array_free (keys_array, FALSE);
473 *keyvals = (guint *)g_array_free (keyvals_array, FALSE);
475 return *n_entries > 0;
479 gdk_keymap_lookup_key (GdkKeymap *keymap,
480 const GdkKeymapKey *key)
482 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
483 g_return_val_if_fail (key != NULL, 0);
484 g_return_val_if_fail (key->group < 4, 0);
486 /* FIXME: Implement */
492 #define GET_KEYVAL(keycode, group, level) (keyval_array[(keycode * KEYVALS_PER_KEYCODE + group * 2 + level)])
495 translate_keysym (guint hardware_keycode,
497 GdkModifierType state,
498 guint *effective_group,
499 guint *effective_level)
504 level = (state & GDK_SHIFT_MASK) ? 1 : 0;
506 if (!(GET_KEYVAL (hardware_keycode, group, 0) || GET_KEYVAL (hardware_keycode, group, 1)) &&
507 (GET_KEYVAL (hardware_keycode, 0, 0) || GET_KEYVAL (hardware_keycode, 0, 1)))
510 if (!GET_KEYVAL (hardware_keycode, group, level) &&
511 GET_KEYVAL (hardware_keycode, group, 0))
514 tmp_keyval = GET_KEYVAL (hardware_keycode, group, level);
516 if (state & GDK_LOCK_MASK)
518 guint upper = gdk_keyval_to_upper (tmp_keyval);
519 if (upper != tmp_keyval)
527 gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
528 guint hardware_keycode,
529 GdkModifierType state,
532 gint *effective_group,
534 GdkModifierType *consumed_modifiers)
538 guint tmp_modifiers = 0;
540 g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
541 g_return_val_if_fail (group >= 0 && group <= 1, FALSE);
543 maybe_update_keymap ();
548 *effective_group = 0;
551 if (consumed_modifiers)
552 *consumed_modifiers = 0;
554 if (hardware_keycode < 0 || hardware_keycode >= NUM_KEYCODES)
557 /* Check if shift or capslock modify the keyval */
558 for (bit = GDK_SHIFT_MASK; bit < GDK_CONTROL_MASK; bit <<= 1)
560 if (translate_keysym (hardware_keycode, group, state & ~bit, NULL, NULL) !=
561 translate_keysym (hardware_keycode, group, state | bit, NULL, NULL))
562 tmp_modifiers |= bit;
565 tmp_keyval = translate_keysym (hardware_keycode, group, state, level, effective_group);
567 if (consumed_modifiers)
568 *consumed_modifiers = tmp_modifiers;
571 *keyval = tmp_keyval;