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* Copyright (C) 2000 Red Hat, Inc.
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* Copyright (C) 2005 Imendio AB
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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/* Some parts of this code come from quartzKeyboard.c,
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* from the Apple X11 Server.
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* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
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* HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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* Except as contained in this notice, the name(s) of the above
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* copyright holders shall not be used in advertising or otherwise to
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* promote the sale, use or other dealings in this Software without
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* prior written authorization.
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#include <Carbon/Carbon.h>
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#include <AppKit/NSEvent.h>
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#include "gdkkeysyms.h"
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#define NUM_KEYCODES 128
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#define KEYVALS_PER_KEYCODE 4
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static GdkKeymap *default_keymap = NULL;
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static KeyboardLayoutRef current_layout = NULL;
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/* This is a table of all keyvals. Each keycode gets KEYVALS_PER_KEYCODE entries.
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* TThere is 1 keyval per modifier (Nothing, Shift, Alt, Shift+Alt);
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static guint *keyval_array = NULL;
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macroman2ucs (unsigned char c)
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/* Precalculated table mapping MacRoman-128 to Unicode. Generated
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by creating single element CFStringRefs then extracting the
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static const unsigned short table[128] = {
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0xc4, 0xc5, 0xc7, 0xc9, 0xd1, 0xd6, 0xdc, 0xe1,
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0xe0, 0xe2, 0xe4, 0xe3, 0xe5, 0xe7, 0xe9, 0xe8,
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0xea, 0xeb, 0xed, 0xec, 0xee, 0xef, 0xf1, 0xf3,
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0xf2, 0xf4, 0xf6, 0xf5, 0xfa, 0xf9, 0xfb, 0xfc,
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0x2020, 0xb0, 0xa2, 0xa3, 0xa7, 0x2022, 0xb6, 0xdf,
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0xae, 0xa9, 0x2122, 0xb4, 0xa8, 0x2260, 0xc6, 0xd8,
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0x221e, 0xb1, 0x2264, 0x2265, 0xa5, 0xb5, 0x2202, 0x2211,
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0x220f, 0x3c0, 0x222b, 0xaa, 0xba, 0x3a9, 0xe6, 0xf8,
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0xbf, 0xa1, 0xac, 0x221a, 0x192, 0x2248, 0x2206, 0xab,
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0xbb, 0x2026, 0xa0, 0xc0, 0xc3, 0xd5, 0x152, 0x153,
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0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0xf7, 0x25ca,
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0xff, 0x178, 0x2044, 0x20ac, 0x2039, 0x203a, 0xfb01, 0xfb02,
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0x2021, 0xb7, 0x201a, 0x201e, 0x2030, 0xc2, 0xca, 0xc1,
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0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0xd3, 0xd4,
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0xf8ff, 0xd2, 0xda, 0xdb, 0xd9, 0x131, 0x2c6, 0x2dc,
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0xaf, 0x2d8, 0x2d9, 0x2da, 0xb8, 0x2dd, 0x2db, 0x2c7
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return table[c - 128];
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const static struct {
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unsigned int modmask; /* So we can tell when a mod key is pressed/released */
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{ 54, GDK_Meta_R, NSCommandKeyMask },
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{ 55, GDK_Meta_L, NSCommandKeyMask },
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{ 56, GDK_Shift_L, NSShiftKeyMask },
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{ 57, GDK_Caps_Lock, NSAlphaShiftKeyMask },
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{ 58, GDK_Alt_L, NSAlternateKeyMask },
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{ 59, GDK_Control_L, NSControlKeyMask },
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{ 60, GDK_Shift_R, NSShiftKeyMask },
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{ 61, GDK_Alt_R, NSAlternateKeyMask },
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{ 62, GDK_Control_R, NSControlKeyMask },
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const static struct {
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guint normal_keyval, keypad_keyval;
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} known_numeric_keys[] = {
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{ 65, GDK_period, GDK_KP_Decimal },
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{ 67, GDK_asterisk, GDK_KP_Multiply },
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{ 69, GDK_plus, GDK_KP_Add },
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{ 75, GDK_slash, GDK_KP_Divide },
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{ 76, 0x01000003, GDK_KP_Enter },
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{ 78, GDK_minus, GDK_KP_Subtract },
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{ 81, GDK_equal, GDK_KP_Equal },
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{ 82, GDK_0, GDK_KP_0 },
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{ 83, GDK_1, GDK_KP_1 },
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{ 84, GDK_2, GDK_KP_2 },
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{ 85, GDK_3, GDK_KP_3 },
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{ 86, GDK_4, GDK_KP_4 },
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{ 87, GDK_5, GDK_KP_5 },
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{ 88, GDK_6, GDK_KP_6 },
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{ 89, GDK_7, GDK_KP_7 },
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{ 91, GDK_8, GDK_KP_8 },
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{ 92, GDK_9, GDK_KP_9 }
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/* These values aren't covered by gdk_unicode_to_keyval */
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const static struct {
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} special_ucs_table [] = {
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{ 0x0001, GDK_Home },
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{ 0x0003, GDK_Return },
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{ 0x0008, GDK_BackSpace },
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{ 0x000b, GDK_Page_Up },
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{ 0x000c, GDK_Page_Down },
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{ 0x000d, GDK_Return },
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{ 0x001b, GDK_Escape },
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{ 0x001c, GDK_Left },
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{ 0x001d, GDK_Right },
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{ 0x001f, GDK_Down },
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{ 0x007f, GDK_Delete }
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maybe_update_keymap (void)
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KeyboardLayoutRef new_layout;
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KLGetCurrentKeyboardLayout (&new_layout);
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if (new_layout != current_layout)
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KeyboardLayoutKind layout_kind;
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g_free (keyval_array);
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keyval_array = g_new0 (guint, NUM_KEYCODES * KEYVALS_PER_KEYCODE);
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/* Get the layout kind */
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KLGetKeyboardLayoutProperty (new_layout, kKLKind, (const void **)&layout_kind);
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/* 8-bit-only keyabord layout */
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if (layout_kind == kKLKCHRKind)
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const void *chr_data;
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KLGetKeyboardLayoutProperty (new_layout, kKLKCHRData, (const void **)&chr_data);
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for (i = 0; i < NUM_KEYCODES; i++)
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UInt32 modifiers[] = {0, shiftKey, optionKey, shiftKey|optionKey};
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p = keyval_array + i * KEYVALS_PER_KEYCODE;
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for (j = 0; j < KEYVALS_PER_KEYCODE; j++)
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key_code = modifiers[j]|i;
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c = KeyTranslate (chr_data, key_code, &state);
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c = KeyTranslate (chr_data, key_code | 128, &state2);
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if (c != 0 && c != 0x10)
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gboolean found = FALSE;
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/* FIXME: some keyboard layouts (e.g. Russian) use
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* a different 8-bit character set. We should
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* check for this. Not a serious problem, because
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* most (all?) of these layouts also have a
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uc = macroman2ucs (c);
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for (k = 0; k < G_N_ELEMENTS (special_ucs_table); k++)
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if (special_ucs_table[k].ucs_value == uc)
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p[j] = special_ucs_table[k].keyval;
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p[j] = gdk_unicode_to_keyval (uc);
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/* unicode keyboard layout */
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else if (layout_kind == kKLKCHRuchrKind || layout_kind == kKLuchrKind)
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const void *chr_data;
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KLGetKeyboardLayoutProperty (new_layout, kKLuchrData, (const void **)&chr_data);
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for (i = 0; i < NUM_KEYCODES; i++)
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UInt32 modifiers[] = {0, shiftKey, optionKey, shiftKey|optionKey};
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p = keyval_array + i * KEYVALS_PER_KEYCODE;
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for (j = 0; j < KEYVALS_PER_KEYCODE; j++)
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key_code = modifiers[j]|i;
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err = UCKeyTranslate (chr_data, i, kUCKeyActionDown,
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(modifiers[j] >> 8) & 0xFF,
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kUCKeyTranslateNoDeadKeysMask,
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&state, 4, &nChars, chars);
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/* FIXME: Theoretically, we can get multiple UTF-16 values;
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* we should convert them to proper unicode and figure
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* out whether there are really keyboard layouts that
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* give us more than one character for one keypress. */
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if (err == noErr && nChars == 1)
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gboolean found = FALSE;
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for (k = 0; k < G_N_ELEMENTS (special_ucs_table); k++)
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if (special_ucs_table[k].ucs_value == uc)
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p[j] = special_ucs_table[k].keyval;
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p[j] = gdk_unicode_to_keyval (uc);
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g_error ("unknown type of keyboard layout (neither KCHR nor uchr)"
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" - not supported right now");
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for (i = 0; i < G_N_ELEMENTS (known_keys); i++)
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p = keyval_array + known_keys[i].keycode * KEYVALS_PER_KEYCODE;
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if (p[0] == 0 && p[1] == 0 &&
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p[2] == 0 && p[3] == 0)
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p[0] = known_keys[i].keyval;
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for (i = 0; i < G_N_ELEMENTS (known_numeric_keys); i++)
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p = keyval_array + known_numeric_keys[i].keycode * KEYVALS_PER_KEYCODE;
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if (p[0] == known_numeric_keys[i].normal_keyval);
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p[0] = known_numeric_keys[i].keypad_keyval;
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g_signal_emit_by_name (default_keymap, "keys_changed");
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current_layout = new_layout;
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gdk_keymap_get_for_display (GdkDisplay *display)
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g_return_val_if_fail (display == gdk_display_get_default (), NULL);
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if (default_keymap == NULL)
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default_keymap = g_object_new (gdk_keymap_get_type (), NULL);
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return default_keymap;
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gdk_keymap_get_direction (GdkKeymap *keymap)
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return PANGO_DIRECTION_NEUTRAL;
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gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
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g_return_val_if_fail (keys != NULL, FALSE);
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g_return_val_if_fail (n_keys != NULL, FALSE);
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g_return_val_if_fail (keyval != 0, FALSE);
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maybe_update_keymap ();
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keys_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
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for (i = 0; i < NUM_KEYCODES * KEYVALS_PER_KEYCODE; i++)
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if (keyval_array[i] != keyval)
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key.keycode = i / KEYVALS_PER_KEYCODE;
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key.level = i % KEYVALS_PER_KEYCODE;
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g_array_append_val (keys_array, key);
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*keys = (GdkKeymapKey *)g_array_free (keys_array, FALSE);
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gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
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guint hardware_keycode,
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GArray *keys_array, *keyvals_array;
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
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g_return_val_if_fail (n_entries != NULL, FALSE);
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maybe_update_keymap ();
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if (hardware_keycode > NUM_KEYCODES)
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keys_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
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keyvals_array = g_array_new (FALSE, FALSE, sizeof (guint));
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keyvals_array = NULL;
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p = keyval_array + hardware_keycode * KEYVALS_PER_KEYCODE;
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for (i = 0; i < KEYVALS_PER_KEYCODE; i++)
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g_array_append_val (keyvals_array, p[i]);
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key.keycode = hardware_keycode;
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g_array_append_val (keys_array, key);
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*keys = (GdkKeymapKey *)g_array_free (keys_array, FALSE);
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*keyvals = (guint *)g_array_free (keyvals_array, FALSE);
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return *n_entries > 0;
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gdk_keymap_lookup_key (GdkKeymap *keymap,
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const GdkKeymapKey *key)
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
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g_return_val_if_fail (key != NULL, 0);
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g_return_val_if_fail (key->group < 4, 0);
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/* FIXME: Implement */
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#define GET_KEYVAL(keycode, group, level) (keyval_array[(keycode * KEYVALS_PER_KEYCODE + group * 2 + level)])
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translate_keysym (guint hardware_keycode,
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GdkModifierType state,
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gint *effective_group,
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gint *effective_level)
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level = (state & GDK_SHIFT_MASK) ? 1 : 0;
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if (!(GET_KEYVAL (hardware_keycode, group, 0) || GET_KEYVAL (hardware_keycode, group, 1)) &&
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(GET_KEYVAL (hardware_keycode, 0, 0) || GET_KEYVAL (hardware_keycode, 0, 1)))
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if (!GET_KEYVAL (hardware_keycode, group, level) &&
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GET_KEYVAL (hardware_keycode, group, 0))
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tmp_keyval = GET_KEYVAL (hardware_keycode, group, level);
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if (state & GDK_LOCK_MASK)
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guint upper = gdk_keyval_to_upper (tmp_keyval);
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if (upper != tmp_keyval)
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gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
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guint hardware_keycode,
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GdkModifierType state,
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gint *effective_group,
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GdkModifierType *consumed_modifiers)
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guint tmp_modifiers = 0;
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
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g_return_val_if_fail (group >= 0 && group <= 1, FALSE);
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maybe_update_keymap ();
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*effective_group = 0;
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if (consumed_modifiers)
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*consumed_modifiers = 0;
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if (hardware_keycode < 0 || hardware_keycode >= NUM_KEYCODES)
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/* Check if shift or capslock modify the keyval */
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for (bit = GDK_SHIFT_MASK; bit < GDK_CONTROL_MASK; bit <<= 1)
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if (translate_keysym (hardware_keycode, group, state & ~bit, NULL, NULL) !=
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translate_keysym (hardware_keycode, group, state | bit, NULL, NULL))
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tmp_modifiers |= bit;
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tmp_keyval = translate_keysym (hardware_keycode, group, state, level, effective_group);
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if (consumed_modifiers)
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*consumed_modifiers = tmp_modifiers;
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*keyval = tmp_keyval;
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/* What sort of key event is this? Returns one of
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* GDK_KEY_PRESS, GDK_KEY_RELEASE, GDK_NOTHING (should be ignored)
588
_gdk_quartz_key_event_type (NSEvent *event)
590
unsigned short keycode;
594
switch ([event type])
597
return GDK_KEY_PRESS;
599
return GDK_KEY_RELEASE;
603
g_assert_not_reached ();
606
/* For flags-changed events, we have to find the special key that caused the
607
* event, and see if it's in the modifier mask. */
608
keycode = [event keyCode];
609
flags = [event modifierFlags];
611
for (i = 0; i < G_N_ELEMENTS (known_keys); i++)
613
if (known_keys[i].keycode == keycode)
615
if (flags & known_keys[i].modmask)
616
return GDK_KEY_PRESS;
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return GDK_KEY_RELEASE;
622
/* Some keypresses (eg: Expose' activations) seem to trigger flags-changed
623
* events for no good reason. Ignore them! */
628
_gdk_quartz_key_is_modifier (guint keycode)
632
for (i = 0; i < G_N_ELEMENTS (known_keys); i++)
634
if (known_keys[i].modmask == 0)
637
if (known_keys[i].keycode == keycode)