325 lines
11 KiB
C
325 lines
11 KiB
C
/*
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quartzKeyboard.c
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Code to build a keymap using the Carbon Keyboard Layout API.
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Copyright (c) 2003-2007 Apple Inc.
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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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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "quartzCommon.h"
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#include <CoreServices/CoreServices.h>
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#include <Carbon/Carbon.h>
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#include "quartzKeyboard.h"
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#include "X11/keysym.h"
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#include "keysym2ucs.h"
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#define HACK_MISSING 1
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#define HACK_KEYPAD 1
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enum {
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MOD_COMMAND = 256,
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MOD_SHIFT = 512,
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MOD_OPTION = 2048,
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MOD_CONTROL = 4096,
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};
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#define UKEYSYM(u) ((u) | 0x01000000)
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/* Table of keycode->keysym mappings we use to fallback on for important
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keys that are often not in the Unicode mapping. */
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const static struct {
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unsigned short keycode;
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KeySym keysym;
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} known_keys[] = {
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{55, XK_Meta_L},
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{56, XK_Shift_L},
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{57, XK_Caps_Lock},
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{58, XK_Alt_L},
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{59, XK_Control_L},
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{60, XK_Shift_R},
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{61, XK_Alt_R},
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{62, XK_Control_R},
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{63, XK_Meta_R},
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{122, XK_F1},
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{120, XK_F2},
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{99, XK_F3},
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{118, XK_F4},
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{96, XK_F5},
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{97, XK_F6},
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{98, XK_F7},
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{100, XK_F8},
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{101, XK_F9},
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{109, XK_F10},
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{103, XK_F11},
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{111, XK_F12},
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{105, XK_F13},
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{107, XK_F14},
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{113, XK_F15},
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};
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/* Table of keycode->old,new-keysym mappings we use to fixup the numeric
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keypad entries. */
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const static struct {
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unsigned short keycode;
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KeySym normal, keypad;
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} known_numeric_keys[] = {
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{65, XK_period, XK_KP_Decimal},
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{67, XK_asterisk, XK_KP_Multiply},
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{69, XK_plus, XK_KP_Add},
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{75, XK_slash, XK_KP_Divide},
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{76, 0x01000003, XK_KP_Enter},
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{78, XK_minus, XK_KP_Subtract},
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{81, XK_equal, XK_KP_Equal},
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{82, XK_0, XK_KP_0},
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{83, XK_1, XK_KP_1},
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{84, XK_2, XK_KP_2},
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{85, XK_3, XK_KP_3},
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{86, XK_4, XK_KP_4},
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{87, XK_5, XK_KP_5},
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{88, XK_6, XK_KP_6},
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{89, XK_7, XK_KP_7},
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{91, XK_8, XK_KP_8},
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{92, XK_9, XK_KP_9},
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};
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/* Table mapping normal keysyms to their dead equivalents.
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FIXME: all the unicode keysyms (apart from circumflex) were guessed. */
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const static struct {
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KeySym normal, dead;
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} dead_keys[] = {
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{XK_grave, XK_dead_grave},
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{XK_acute, XK_dead_acute},
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{XK_asciicircum, XK_dead_circumflex},
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{UKEYSYM (0x2c6), XK_dead_circumflex}, /* MODIFIER LETTER CIRCUMFLEX ACCENT */
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{XK_asciitilde, XK_dead_tilde},
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{UKEYSYM (0x2dc), XK_dead_tilde}, /* SMALL TILDE */
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{XK_macron, XK_dead_macron},
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{XK_breve, XK_dead_breve},
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{XK_abovedot, XK_dead_abovedot},
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{XK_diaeresis, XK_dead_diaeresis},
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{UKEYSYM (0x2da), XK_dead_abovering}, /* DOT ABOVE */
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{XK_doubleacute, XK_dead_doubleacute},
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{XK_caron, XK_dead_caron},
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{XK_cedilla, XK_dead_cedilla},
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{XK_ogonek, XK_dead_ogonek},
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{UKEYSYM (0x269), XK_dead_iota}, /* LATIN SMALL LETTER IOTA */
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{UKEYSYM (0x2ec), XK_dead_voiced_sound}, /* MODIFIER LETTER VOICING */
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/* {XK_semivoiced_sound, XK_dead_semivoiced_sound}, */
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{UKEYSYM (0x323), XK_dead_belowdot}, /* COMBINING DOT BELOW */
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{UKEYSYM (0x309), XK_dead_hook}, /* COMBINING HOOK ABOVE */
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{UKEYSYM (0x31b), XK_dead_horn}, /* COMBINING HORN */
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};
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unsigned int QuartzSystemKeymapSeed(void) {
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static unsigned int seed;
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static KeyboardLayoutRef last_key_layout;
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KeyboardLayoutRef key_layout;
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KLGetCurrentKeyboardLayout (&key_layout);
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if (key_layout != last_key_layout) seed++;
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last_key_layout = key_layout;
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return seed;
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}
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static inline UniChar 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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first character. */
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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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};
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if (c < 128) return c;
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else return table[c - 128];
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}
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static KeySym make_dead_key(KeySym in) {
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int i;
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for (i = 0; i < sizeof (dead_keys) / sizeof (dead_keys[0]); i++)
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if (dead_keys[i].normal == in) return dead_keys[i].dead;
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return in;
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}
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Bool QuartzReadSystemKeymap(darwinKeyboardInfo *info) {
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KeyboardLayoutRef key_layout;
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const void *chr_data = NULL;
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int num_keycodes = NUM_KEYCODES;
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UInt32 keyboard_type = 0;
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int is_uchr = 1, i, j;
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OSStatus err;
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KeySym *k;
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TISInputSourceRef currentKeyLayoutRef = TISCopyCurrentKeyboardLayoutInputSource();
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keyboard_type = LMGetKbdType ();
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if (currentKeyLayoutRef) {
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CFDataRef currentKeyLayoutDataRef = (CFDataRef )TISGetInputSourceProperty(currentKeyLayoutRef, kTISPropertyUnicodeKeyLayoutData);
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if (currentKeyLayoutDataRef) chr_data = CFDataGetBytePtr(currentKeyLayoutDataRef);
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}
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if (chr_data == NULL) {
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KLGetCurrentKeyboardLayout (&key_layout);
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KLGetKeyboardLayoutProperty (key_layout, kKLuchrData, &chr_data);
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}
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if (chr_data == NULL) {
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KLGetKeyboardLayoutProperty (key_layout, kKLKCHRData, &chr_data);
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is_uchr = 0;
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num_keycodes = 128;
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}
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if (chr_data == NULL) {
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ErrorF ( "Couldn't get uchr or kchr resource\n");
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return FALSE;
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}
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/* Scan the keycode range for the Unicode character that each
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key produces in the four shift states. Then convert that to
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an X11 keysym (which may just the bit that says "this is
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Unicode" if it can't find the real symbol.) */
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for (i = 0; i < num_keycodes; i++) {
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static const int mods[4] = {0, MOD_SHIFT, MOD_OPTION,
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MOD_OPTION | MOD_SHIFT};
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k = info->keyMap + i * GLYPHS_PER_KEY;
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for (j = 0; j < 4; j++) {
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if (is_uchr) {
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UniChar s[8];
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UniCharCount len;
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UInt32 dead_key_state = 0, extra_dead = 0;
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err = UCKeyTranslate (chr_data, i, kUCKeyActionDown,
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mods[j] >> 8, keyboard_type, 0,
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&dead_key_state, 8, &len, s);
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if (err != noErr) continue;
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if (len == 0 && dead_key_state != 0) {
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/* Found a dead key. Work out which one it is, but
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remembering that it's dead. */
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err = UCKeyTranslate (chr_data, i, kUCKeyActionDown,
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mods[j] >> 8, keyboard_type,
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kUCKeyTranslateNoDeadKeysMask,
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&extra_dead, 8, &len, s);
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if (err != noErr) continue;
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}
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if (len > 0 && s[0] != 0x0010) {
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k[j] = ucs2keysym (s[0]);
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if (dead_key_state != 0) k[j] = make_dead_key (k[j]);
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}
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} else { // kchr
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UInt32 c, state = 0, state2 = 0;
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UInt16 code;
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code = i | mods[j];
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c = KeyTranslate (chr_data, code, &state);
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/* Dead keys are only processed on key-down, so ask
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to translate those events. When we find a dead key,
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translating the matching key up event will give
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us the actual dead character. */
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if (state != 0)
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c = KeyTranslate (chr_data, code | 128, &state2);
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/* Characters seem to be in MacRoman encoding. */
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if (c != 0 && c != 0x0010) {
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k[j] = ucs2keysym (macroman2ucs (c & 255));
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if (state != 0) k[j] = make_dead_key (k[j]);
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}
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}
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}
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if (k[3] == k[2]) k[3] = NoSymbol;
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if (k[2] == k[1]) k[2] = NoSymbol;
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if (k[1] == k[0]) k[1] = NoSymbol;
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if (k[0] == k[2] && k[1] == k[3]) k[2] = k[3] = NoSymbol;
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}
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/* Fix up some things that are normally missing.. */
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if (HACK_MISSING) {
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for (i = 0; i < sizeof (known_keys) / sizeof (known_keys[0]); i++) {
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k = info->keyMap + known_keys[i].keycode * GLYPHS_PER_KEY;
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if (k[0] == NoSymbol && k[1] == NoSymbol
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&& k[2] == NoSymbol && k[3] == NoSymbol)
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k[0] = known_keys[i].keysym;
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}
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}
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/* And some more things. We find the right symbols for the numeric
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keypad, but not the KP_ keysyms. So try to convert known keycodes. */
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if (HACK_KEYPAD) {
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for (i = 0; i < sizeof (known_numeric_keys)
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/ sizeof (known_numeric_keys[0]); i++) {
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k = info->keyMap + known_numeric_keys[i].keycode * GLYPHS_PER_KEY;
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if (k[0] == known_numeric_keys[i].normal)
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k[0] = known_numeric_keys[i].keypad;
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}
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}
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if(currentKeyLayoutRef) CFRelease(currentKeyLayoutRef);
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return TRUE;
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}
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