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gtk/gdk/quartz/gdkkeys-quartz.c
Philip Chimento 0e4bac872c NULL check on default keymap 
Ensure that Quartz's default keymap is not accessed before it is
created.
2013-10-11 11:14:32 -07:00

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/* gdkkeys-quartz.c
*
* Copyright (C) 2000 Red Hat, Inc.
* Copyright (C) 2005 Imendio AB
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Some parts of this code come from quartzKeyboard.c,
* from the Apple X11 Server.
*
* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
* HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above
* copyright holders shall not be used in advertising or otherwise to
* promote the sale, use or other dealings in this Software without
* prior written authorization.
*/
#include "config.h"
#include <Carbon/Carbon.h>
#include <AppKit/NSEvent.h>
#include "gdk.h"
#include "gdkquartzkeys.h"
#include "gdkkeysprivate.h"
#include "gdkkeysyms.h"
#define NUM_KEYCODES 128
#define KEYVALS_PER_KEYCODE 4
static GdkKeymap *default_keymap = NULL;
struct _GdkQuartzKeymap
{
GdkKeymap keymap;
};
struct _GdkQuartzKeymapClass
{
GdkKeymapClass keymap_class;
};
G_DEFINE_TYPE (GdkQuartzKeymap, gdk_quartz_keymap, GDK_TYPE_KEYMAP)
GdkKeymap *
_gdk_quartz_display_get_keymap (GdkDisplay *display)
{
if (default_keymap == NULL)
default_keymap = g_object_new (gdk_quartz_keymap_get_type (), NULL);
return default_keymap;
}
/* This is a table of all keyvals. Each keycode gets KEYVALS_PER_KEYCODE entries.
* TThere is 1 keyval per modifier (Nothing, Shift, Alt, Shift+Alt);
*/
static guint *keyval_array = NULL;
static inline UniChar
macroman2ucs (unsigned char c)
{
/* Precalculated table mapping MacRoman-128 to Unicode. Generated
by creating single element CFStringRefs then extracting the
first character. */
static const unsigned short table[128] = {
0xc4, 0xc5, 0xc7, 0xc9, 0xd1, 0xd6, 0xdc, 0xe1,
0xe0, 0xe2, 0xe4, 0xe3, 0xe5, 0xe7, 0xe9, 0xe8,
0xea, 0xeb, 0xed, 0xec, 0xee, 0xef, 0xf1, 0xf3,
0xf2, 0xf4, 0xf6, 0xf5, 0xfa, 0xf9, 0xfb, 0xfc,
0x2020, 0xb0, 0xa2, 0xa3, 0xa7, 0x2022, 0xb6, 0xdf,
0xae, 0xa9, 0x2122, 0xb4, 0xa8, 0x2260, 0xc6, 0xd8,
0x221e, 0xb1, 0x2264, 0x2265, 0xa5, 0xb5, 0x2202, 0x2211,
0x220f, 0x3c0, 0x222b, 0xaa, 0xba, 0x3a9, 0xe6, 0xf8,
0xbf, 0xa1, 0xac, 0x221a, 0x192, 0x2248, 0x2206, 0xab,
0xbb, 0x2026, 0xa0, 0xc0, 0xc3, 0xd5, 0x152, 0x153,
0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0xf7, 0x25ca,
0xff, 0x178, 0x2044, 0x20ac, 0x2039, 0x203a, 0xfb01, 0xfb02,
0x2021, 0xb7, 0x201a, 0x201e, 0x2030, 0xc2, 0xca, 0xc1,
0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0xd3, 0xd4,
0xf8ff, 0xd2, 0xda, 0xdb, 0xd9, 0x131, 0x2c6, 0x2dc,
0xaf, 0x2d8, 0x2d9, 0x2da, 0xb8, 0x2dd, 0x2db, 0x2c7
};
if (c < 128)
return c;
else
return table[c - 128];
}
const static struct {
guint keycode;
guint keyval;
unsigned int modmask; /* So we can tell when a mod key is pressed/released */
} modifier_keys[] = {
{ 54, GDK_KEY_Meta_R, NSCommandKeyMask },
{ 55, GDK_KEY_Meta_L, NSCommandKeyMask },
{ 56, GDK_KEY_Shift_L, NSShiftKeyMask },
{ 57, GDK_KEY_Caps_Lock, NSAlphaShiftKeyMask },
{ 58, GDK_KEY_Alt_L, NSAlternateKeyMask },
{ 59, GDK_KEY_Control_L, NSControlKeyMask },
{ 60, GDK_KEY_Shift_R, NSShiftKeyMask },
{ 61, GDK_KEY_Alt_R, NSAlternateKeyMask },
{ 62, GDK_KEY_Control_R, NSControlKeyMask }
};
const static struct {
guint keycode;
guint keyval;
} function_keys[] = {
{ 122, GDK_KEY_F1 },
{ 120, GDK_KEY_F2 },
{ 99, GDK_KEY_F3 },
{ 118, GDK_KEY_F4 },
{ 96, GDK_KEY_F5 },
{ 97, GDK_KEY_F6 },
{ 98, GDK_KEY_F7 },
{ 100, GDK_KEY_F8 },
{ 101, GDK_KEY_F9 },
{ 109, GDK_KEY_F10 },
{ 103, GDK_KEY_F11 },
{ 111, GDK_KEY_F12 },
{ 105, GDK_KEY_F13 },
{ 107, GDK_KEY_F14 },
{ 113, GDK_KEY_F15 },
{ 106, GDK_KEY_F16 }
};
const static struct {
guint keycode;
guint normal_keyval, keypad_keyval;
} known_numeric_keys[] = {
{ 65, GDK_KEY_period, GDK_KEY_KP_Decimal },
{ 67, GDK_KEY_asterisk, GDK_KEY_KP_Multiply },
{ 69, GDK_KEY_plus, GDK_KEY_KP_Add },
{ 75, GDK_KEY_slash, GDK_KEY_KP_Divide },
{ 76, GDK_KEY_Return, GDK_KEY_KP_Enter },
{ 78, GDK_KEY_minus, GDK_KEY_KP_Subtract },
{ 81, GDK_KEY_equal, GDK_KEY_KP_Equal },
{ 82, GDK_KEY_0, GDK_KEY_KP_0 },
{ 83, GDK_KEY_1, GDK_KEY_KP_1 },
{ 84, GDK_KEY_2, GDK_KEY_KP_2 },
{ 85, GDK_KEY_3, GDK_KEY_KP_3 },
{ 86, GDK_KEY_4, GDK_KEY_KP_4 },
{ 87, GDK_KEY_5, GDK_KEY_KP_5 },
{ 88, GDK_KEY_6, GDK_KEY_KP_6 },
{ 89, GDK_KEY_7, GDK_KEY_KP_7 },
{ 91, GDK_KEY_8, GDK_KEY_KP_8 },
{ 92, GDK_KEY_9, GDK_KEY_KP_9 }
};
/* These values aren't covered by gdk_unicode_to_keyval */
const static struct {
gunichar ucs_value;
guint keyval;
} special_ucs_table [] = {
{ 0x0001, GDK_KEY_Home },
{ 0x0003, GDK_KEY_Return },
{ 0x0004, GDK_KEY_End },
{ 0x0008, GDK_KEY_BackSpace },
{ 0x0009, GDK_KEY_Tab },
{ 0x000b, GDK_KEY_Page_Up },
{ 0x000c, GDK_KEY_Page_Down },
{ 0x000d, GDK_KEY_Return },
{ 0x001b, GDK_KEY_Escape },
{ 0x001c, GDK_KEY_Left },
{ 0x001d, GDK_KEY_Right },
{ 0x001e, GDK_KEY_Up },
{ 0x001f, GDK_KEY_Down },
{ 0x007f, GDK_KEY_Delete },
{ 0xf027, GDK_KEY_dead_acute },
{ 0xf060, GDK_KEY_dead_grave },
{ 0xf300, GDK_KEY_dead_grave },
{ 0xf0b4, GDK_KEY_dead_acute },
{ 0xf301, GDK_KEY_dead_acute },
{ 0xf385, GDK_KEY_dead_acute },
{ 0xf05e, GDK_KEY_dead_circumflex },
{ 0xf2c6, GDK_KEY_dead_circumflex },
{ 0xf302, GDK_KEY_dead_circumflex },
{ 0xf07e, GDK_KEY_dead_tilde },
{ 0xf2dc, GDK_KEY_dead_tilde },
{ 0xf303, GDK_KEY_dead_tilde },
{ 0xf342, GDK_KEY_dead_perispomeni },
{ 0xf0af, GDK_KEY_dead_macron },
{ 0xf304, GDK_KEY_dead_macron },
{ 0xf2d8, GDK_KEY_dead_breve },
{ 0xf306, GDK_KEY_dead_breve },
{ 0xf2d9, GDK_KEY_dead_abovedot },
{ 0xf307, GDK_KEY_dead_abovedot },
{ 0xf0a8, GDK_KEY_dead_diaeresis },
{ 0xf308, GDK_KEY_dead_diaeresis },
{ 0xf2da, GDK_KEY_dead_abovering },
{ 0xf30A, GDK_KEY_dead_abovering },
{ 0xf022, GDK_KEY_dead_doubleacute },
{ 0xf2dd, GDK_KEY_dead_doubleacute },
{ 0xf30B, GDK_KEY_dead_doubleacute },
{ 0xf2c7, GDK_KEY_dead_caron },
{ 0xf30C, GDK_KEY_dead_caron },
{ 0xf0be, GDK_KEY_dead_cedilla },
{ 0xf327, GDK_KEY_dead_cedilla },
{ 0xf2db, GDK_KEY_dead_ogonek },
{ 0xf328, GDK_KEY_dead_ogonek },
{ 0xfe5d, GDK_KEY_dead_iota },
{ 0xf323, GDK_KEY_dead_belowdot },
{ 0xf309, GDK_KEY_dead_hook },
{ 0xf31B, GDK_KEY_dead_horn },
{ 0xf02d, GDK_KEY_dead_stroke },
{ 0xf335, GDK_KEY_dead_stroke },
{ 0xf336, GDK_KEY_dead_stroke },
{ 0xf313, GDK_KEY_dead_abovecomma },
/* { 0xf313, GDK_KEY_dead_psili }, */
{ 0xf314, GDK_KEY_dead_abovereversedcomma },
/* { 0xf314, GDK_KEY_dead_dasia }, */
{ 0xf30F, GDK_KEY_dead_doublegrave },
{ 0xf325, GDK_KEY_dead_belowring },
{ 0xf2cd, GDK_KEY_dead_belowmacron },
{ 0xf331, GDK_KEY_dead_belowmacron },
{ 0xf32D, GDK_KEY_dead_belowcircumflex },
{ 0xf330, GDK_KEY_dead_belowtilde },
{ 0xf32E, GDK_KEY_dead_belowbreve },
{ 0xf324, GDK_KEY_dead_belowdiaeresis },
{ 0xf311, GDK_KEY_dead_invertedbreve },
{ 0xf02c, GDK_KEY_dead_belowcomma },
{ 0xf326, GDK_KEY_dead_belowcomma }
};
static void
update_keymap (void)
{
const void *chr_data = NULL;
guint *p;
int i;
/* Note: we could check only if building against the 10.5 SDK instead, but
* that would make non-xml layouts not work in 32-bit which would be a quite
* bad regression. This way, old unsupported layouts will just not work in
* 64-bit.
*/
#ifdef __LP64__
TISInputSourceRef new_layout = TISCopyCurrentKeyboardLayoutInputSource ();
CFDataRef layout_data_ref;
#else
KeyboardLayoutRef new_layout;
KeyboardLayoutKind layout_kind;
KLGetCurrentKeyboardLayout (&new_layout);
#endif
g_free (keyval_array);
keyval_array = g_new0 (guint, NUM_KEYCODES * KEYVALS_PER_KEYCODE);
#ifdef __LP64__
layout_data_ref = (CFDataRef) TISGetInputSourceProperty
(new_layout, kTISPropertyUnicodeKeyLayoutData);
if (layout_data_ref)
chr_data = CFDataGetBytePtr (layout_data_ref);
if (chr_data == NULL)
{
g_error ("cannot get keyboard layout data");
return;
}
#else
/* Get the layout kind */
KLGetKeyboardLayoutProperty (new_layout, kKLKind, (const void **)&layout_kind);
/* 8-bit-only keyabord layout */
if (layout_kind == kKLKCHRKind)
{
/* Get chr data */
KLGetKeyboardLayoutProperty (new_layout, kKLKCHRData, (const void **)&chr_data);
for (i = 0; i < NUM_KEYCODES; i++)
{
int j;
UInt32 modifiers[] = {0, shiftKey, optionKey, shiftKey | optionKey};
p = keyval_array + i * KEYVALS_PER_KEYCODE;
for (j = 0; j < KEYVALS_PER_KEYCODE; j++)
{
UInt32 c, state = 0;
UInt16 key_code;
UniChar uc;
key_code = modifiers[j] | i;
c = KeyTranslate (chr_data, key_code, &state);
if (state != 0)
{
UInt32 state2 = 0;
c = KeyTranslate (chr_data, key_code | 128, &state2);
}
if (c != 0 && c != 0x10)
{
int k;
gboolean found = FALSE;
/* FIXME: some keyboard layouts (e.g. Russian) use a
* different 8-bit character set. We should check
* for this. Not a serious problem, because most
* (all?) of these layouts also have a uchr version.
*/
uc = macroman2ucs (c);
for (k = 0; k < G_N_ELEMENTS (special_ucs_table); k++)
{
if (special_ucs_table[k].ucs_value == uc)
{
p[j] = special_ucs_table[k].keyval;
found = TRUE;
break;
}
}
/* Special-case shift-tab since GTK+ expects
* GDK_KEY_ISO_Left_Tab for that.
*/
if (found && p[j] == GDK_KEY_Tab && modifiers[j] == shiftKey)
p[j] = GDK_KEY_ISO_Left_Tab;
if (!found)
p[j] = gdk_unicode_to_keyval (uc);
}
}
if (p[3] == p[2])
p[3] = 0;
if (p[2] == p[1])
p[2] = 0;
if (p[1] == p[0])
p[1] = 0;
if (p[0] == p[2] &&
p[1] == p[3])
p[2] = p[3] = 0;
}
}
/* unicode keyboard layout */
else if (layout_kind == kKLKCHRuchrKind || layout_kind == kKLuchrKind)
{
/* Get chr data */
KLGetKeyboardLayoutProperty (new_layout, kKLuchrData, (const void **)&chr_data);
#endif
for (i = 0; i < NUM_KEYCODES; i++)
{
int j;
UInt32 modifiers[] = {0, shiftKey, optionKey, shiftKey | optionKey};
UniChar chars[4];
UniCharCount nChars;
p = keyval_array + i * KEYVALS_PER_KEYCODE;
for (j = 0; j < KEYVALS_PER_KEYCODE; j++)
{
UInt32 state = 0;
OSStatus err;
UInt16 key_code;
UniChar uc;
key_code = modifiers[j] | i;
err = UCKeyTranslate (chr_data, i, kUCKeyActionDisplay,
(modifiers[j] >> 8) & 0xFF,
LMGetKbdType(),
0,
&state, 4, &nChars, chars);
/* FIXME: Theoretically, we can get multiple UTF-16
* values; we should convert them to proper unicode and
* figure out whether there are really keyboard layouts
* that give us more than one character for one
* keypress.
*/
if (err == noErr && nChars == 1)
{
int k;
gboolean found = FALSE;
/* A few <Shift><Option>keys return two characters,
* the first of which is U+00a0, which isn't
* interesting; so we return the second. More
* sophisticated handling is the job of a
* GtkIMContext.
*
* If state isn't zero, it means that it's a dead
* key of some sort. Some of those are enumerated in
* the special_ucs_table with the high nibble set to
* f to push it into the private use range. Here we
* do the same.
*/
if (state != 0)
chars[nChars - 1] |= 0xf000;
uc = chars[nChars - 1];
for (k = 0; k < G_N_ELEMENTS (special_ucs_table); k++)
{
if (special_ucs_table[k].ucs_value == uc)
{
p[j] = special_ucs_table[k].keyval;
found = TRUE;
break;
}
}
/* Special-case shift-tab since GTK+ expects
* GDK_KEY_ISO_Left_Tab for that.
*/
if (found && p[j] == GDK_KEY_Tab && modifiers[j] == shiftKey)
p[j] = GDK_KEY_ISO_Left_Tab;
if (!found)
p[j] = gdk_unicode_to_keyval (uc);
}
}
if (p[3] == p[2])
p[3] = 0;
if (p[2] == p[1])
p[2] = 0;
if (p[1] == p[0])
p[1] = 0;
if (p[0] == p[2] &&
p[1] == p[3])
p[2] = p[3] = 0;
}
#ifndef __LP64__
}
else
{
g_error ("unknown type of keyboard layout (neither KCHR nor uchr)"
" - not supported right now");
}
#endif
for (i = 0; i < G_N_ELEMENTS (modifier_keys); i++)
{
p = keyval_array + modifier_keys[i].keycode * KEYVALS_PER_KEYCODE;
if (p[0] == 0 && p[1] == 0 &&
p[2] == 0 && p[3] == 0)
p[0] = modifier_keys[i].keyval;
}
for (i = 0; i < G_N_ELEMENTS (function_keys); i++)
{
p = keyval_array + function_keys[i].keycode * KEYVALS_PER_KEYCODE;
p[0] = function_keys[i].keyval;
p[1] = p[2] = p[3] = 0;
}
for (i = 0; i < G_N_ELEMENTS (known_numeric_keys); i++)
{
p = keyval_array + known_numeric_keys[i].keycode * KEYVALS_PER_KEYCODE;
if (p[0] == known_numeric_keys[i].normal_keyval)
p[0] = known_numeric_keys[i].keypad_keyval;
}
if (default_keymap != NULL)
g_signal_emit_by_name (default_keymap, "keys-changed");
}
static PangoDirection
gdk_quartz_keymap_get_direction (GdkKeymap *keymap)
{
return PANGO_DIRECTION_NEUTRAL;
}
static gboolean
gdk_quartz_keymap_have_bidi_layouts (GdkKeymap *keymap)
{
/* FIXME: Can we implement this? */
return FALSE;
}
static gboolean
gdk_quartz_keymap_get_caps_lock_state (GdkKeymap *keymap)
{
/* FIXME: Implement this. */
return FALSE;
}
static gboolean
gdk_quartz_keymap_get_num_lock_state (GdkKeymap *keymap)
{
/* FIXME: Implement this. */
return FALSE;
}
static gboolean
gdk_quartz_keymap_get_entries_for_keyval (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
gint *n_keys)
{
GArray *keys_array;
int i;
*n_keys = 0;
keys_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
for (i = 0; i < NUM_KEYCODES * KEYVALS_PER_KEYCODE; i++)
{
GdkKeymapKey key;
if (keyval_array[i] != keyval)
continue;
(*n_keys)++;
key.keycode = i / KEYVALS_PER_KEYCODE;
key.group = (i % KEYVALS_PER_KEYCODE) >= 2;
key.level = i % 2;
g_array_append_val (keys_array, key);
}
*keys = (GdkKeymapKey *)g_array_free (keys_array, FALSE);
return *n_keys > 0;;
}
static gboolean
gdk_quartz_keymap_get_entries_for_keycode (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
gint *n_entries)
{
GArray *keys_array, *keyvals_array;
int i;
guint *p;
*n_entries = 0;
if (hardware_keycode > NUM_KEYCODES)
return FALSE;
if (keys)
keys_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
else
keys_array = NULL;
if (keyvals)
keyvals_array = g_array_new (FALSE, FALSE, sizeof (guint));
else
keyvals_array = NULL;
p = keyval_array + hardware_keycode * KEYVALS_PER_KEYCODE;
for (i = 0; i < KEYVALS_PER_KEYCODE; i++)
{
if (!p[i])
continue;
(*n_entries)++;
if (keyvals_array)
g_array_append_val (keyvals_array, p[i]);
if (keys_array)
{
GdkKeymapKey key;
key.keycode = hardware_keycode;
key.group = i >= 2;
key.level = i % 2;
g_array_append_val (keys_array, key);
}
}
if (keys)
*keys = (GdkKeymapKey *)g_array_free (keys_array, FALSE);
if (keyvals)
*keyvals = (guint *)g_array_free (keyvals_array, FALSE);
return *n_entries > 0;
}
#define GET_KEYVAL(keycode, group, level) (keyval_array[(keycode * KEYVALS_PER_KEYCODE + group * 2 + level)])
static guint
gdk_quartz_keymap_lookup_key (GdkKeymap *keymap,
const GdkKeymapKey *key)
{
return GET_KEYVAL (key->keycode, key->group, key->level);
}
static guint
translate_keysym (guint hardware_keycode,
gint group,
GdkModifierType state,
gint *effective_group,
gint *effective_level)
{
gint level;
guint tmp_keyval;
level = (state & GDK_SHIFT_MASK) ? 1 : 0;
if (!(GET_KEYVAL (hardware_keycode, group, 0) || GET_KEYVAL (hardware_keycode, group, 1)) &&
(GET_KEYVAL (hardware_keycode, 0, 0) || GET_KEYVAL (hardware_keycode, 0, 1)))
group = 0;
if (!GET_KEYVAL (hardware_keycode, group, level) &&
GET_KEYVAL (hardware_keycode, group, 0))
level = 0;
tmp_keyval = GET_KEYVAL (hardware_keycode, group, level);
if (state & GDK_LOCK_MASK)
{
guint upper = gdk_keyval_to_upper (tmp_keyval);
if (upper != tmp_keyval)
tmp_keyval = upper;
}
if (effective_group)
*effective_group = group;
if (effective_level)
*effective_level = level;
return tmp_keyval;
}
static gboolean
gdk_quartz_keymap_translate_keyboard_state (GdkKeymap *keymap,
guint hardware_keycode,
GdkModifierType state,
gint group,
guint *keyval,
gint *effective_group,
gint *level,
GdkModifierType *consumed_modifiers)
{
guint tmp_keyval;
GdkModifierType bit;
guint tmp_modifiers = 0;
if (keyval)
*keyval = 0;
if (effective_group)
*effective_group = 0;
if (level)
*level = 0;
if (consumed_modifiers)
*consumed_modifiers = 0;
if (hardware_keycode < 0 || hardware_keycode >= NUM_KEYCODES)
return FALSE;
/* Check if modifiers modify the keyval */
for (bit = GDK_SHIFT_MASK; bit < GDK_BUTTON1_MASK; bit <<= 1)
{
if (translate_keysym (hardware_keycode,
(bit == GDK_MOD1_MASK) ? 0 : group,
state & ~bit,
NULL, NULL) !=
translate_keysym (hardware_keycode,
(bit == GDK_MOD1_MASK) ? 1 : group,
state | bit,
NULL, NULL))
tmp_modifiers |= bit;
}
tmp_keyval = translate_keysym (hardware_keycode, group, state, level, effective_group);
if (consumed_modifiers)
*consumed_modifiers = tmp_modifiers;
if (keyval)
*keyval = tmp_keyval;
return TRUE;
}
static void
gdk_quartz_keymap_add_virtual_modifiers (GdkKeymap *keymap,
GdkModifierType *state)
{
if (*state & GDK_MOD2_MASK)
*state |= GDK_META_MASK;
}
static gboolean
gdk_quartz_keymap_map_virtual_modifiers (GdkKeymap *keymap,
GdkModifierType *state)
{
if (*state & GDK_META_MASK)
*state |= GDK_MOD2_MASK;
return TRUE;
}
static GdkModifierType
gdk_quartz_keymap_get_modifier_mask (GdkKeymap *keymap,
GdkModifierIntent intent)
{
switch (intent)
{
case GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR:
return GDK_MOD2_MASK;
case GDK_MODIFIER_INTENT_CONTEXT_MENU:
return GDK_CONTROL_MASK;
case GDK_MODIFIER_INTENT_EXTEND_SELECTION:
return GDK_SHIFT_MASK;
case GDK_MODIFIER_INTENT_MODIFY_SELECTION:
return GDK_MOD2_MASK;
case GDK_MODIFIER_INTENT_NO_TEXT_INPUT:
return GDK_MOD2_MASK | GDK_CONTROL_MASK;
case GDK_MODIFIER_INTENT_SHIFT_GROUP:
return GDK_MOD1_MASK;
default:
g_return_val_if_reached (0);
}
}
/* What sort of key event is this? Returns one of
* GDK_KEY_PRESS, GDK_KEY_RELEASE, GDK_NOTHING (should be ignored)
*/
GdkEventType
_gdk_quartz_keys_event_type (NSEvent *event)
{
unsigned short keycode;
unsigned int flags;
int i;
switch ([event type])
{
case NSKeyDown:
return GDK_KEY_PRESS;
case NSKeyUp:
return GDK_KEY_RELEASE;
case NSFlagsChanged:
break;
default:
g_assert_not_reached ();
}
/* For flags-changed events, we have to find the special key that caused the
* event, and see if it's in the modifier mask. */
keycode = [event keyCode];
flags = [event modifierFlags];
for (i = 0; i < G_N_ELEMENTS (modifier_keys); i++)
{
if (modifier_keys[i].keycode == keycode)
{
if (flags & modifier_keys[i].modmask)
return GDK_KEY_PRESS;
else
return GDK_KEY_RELEASE;
}
}
/* Some keypresses (eg: Expose' activations) seem to trigger flags-changed
* events for no good reason. Ignore them! */
return GDK_NOTHING;
}
gboolean
_gdk_quartz_keys_is_modifier (guint keycode)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (modifier_keys); i++)
{
if (modifier_keys[i].modmask == 0)
break;
if (modifier_keys[i].keycode == keycode)
return TRUE;
}
return FALSE;
}
static void
input_sources_changed_notification (CFNotificationCenterRef center,
void *observer,
CFStringRef name,
const void *object,
CFDictionaryRef userInfo)
{
update_keymap ();
}
static void
gdk_quartz_keymap_init (GdkQuartzKeymap *keymap)
{
update_keymap ();
CFNotificationCenterAddObserver (CFNotificationCenterGetDistributedCenter (),
keymap,
input_sources_changed_notification,
CFSTR ("AppleSelectedInputSourcesChangedNotification"),
NULL,
CFNotificationSuspensionBehaviorDeliverImmediately);
}
static void
gdk_quartz_keymap_finalize (GObject *object)
{
CFNotificationCenterRemoveObserver (CFNotificationCenterGetDistributedCenter (),
object,
CFSTR ("AppleSelectedInputSourcesChangedNotification"),
NULL);
G_OBJECT_CLASS (gdk_quartz_keymap_parent_class)->finalize (object);
}
static void
gdk_quartz_keymap_class_init (GdkQuartzKeymapClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkKeymapClass *keymap_class = GDK_KEYMAP_CLASS (klass);
object_class->finalize = gdk_quartz_keymap_finalize;
keymap_class->get_direction = gdk_quartz_keymap_get_direction;
keymap_class->have_bidi_layouts = gdk_quartz_keymap_have_bidi_layouts;
keymap_class->get_caps_lock_state = gdk_quartz_keymap_get_caps_lock_state;
keymap_class->get_num_lock_state = gdk_quartz_keymap_get_num_lock_state;
keymap_class->get_entries_for_keyval = gdk_quartz_keymap_get_entries_for_keyval;
keymap_class->get_entries_for_keycode = gdk_quartz_keymap_get_entries_for_keycode;
keymap_class->lookup_key = gdk_quartz_keymap_lookup_key;
keymap_class->translate_keyboard_state = gdk_quartz_keymap_translate_keyboard_state;
keymap_class->add_virtual_modifiers = gdk_quartz_keymap_add_virtual_modifiers;
keymap_class->map_virtual_modifiers = gdk_quartz_keymap_map_virtual_modifiers;
keymap_class->get_modifier_mask = gdk_quartz_keymap_get_modifier_mask;
}
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