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gtk2/gdk/win32/gdkkeys-win32.c
Tor Lillqvist 5cd59c1cbc Merge from stable: 
2003-12-14  Tor Lillqvist  <tml@iki.fi>

	Merge from stable:

	* gdk/gdkdisplaymanager.c: Mark default_display static.

	* gdk/win32/gdkdnd-win32.c: Mark current_dest_drag static.

	* gdk/win32/gdkkeys-win32.c: Disable some overly verbose debugging
	output.

	* gdk/win32/gdkevents-win32.c: Clean up the debugging output from
	--gdk-debug=events. In general, output just one line of debugging
	output for each Windows message, plus one line for each GDK event
	generated. Indent all lines according to window procedure nesting
	level.

	(inner_window_procedure): Rename from real_window_procedure.

	(find_real_window_for_grabbed_mouse_event): Don't get misled when
	the point is in the non-client (decoration) area of the window
	returned by WindowFromPoint(). Return the root window in that
	case.

	(build_pointer_event_state): Test also MK_XBUTTON1 and
	MK_XBUTTON2 (buttons 4 and 5).

	(synthesize_enter_event): Track the mouse leaving the window in
	the event being generated, not the one mentioned in the Windows
	message.

	(propagate): Test for NULL parent earlier. Improves event
	generation from a grabbed pointer. Part of fix for #107320.

	(handle_stuff_while_moving_or_resizing): New function, to
	dispatch the main loop (once).

	(resize_timer_proc): New function, set to be called by an inerval
	timer during resizes/moves. Calls handle_stuff_while_moving_or_resizing().

	(gdk_event_translate): Drop unused return_exposes parameter.

	Handle WM_XBUTTONDOWN and UP messages (buttons 4 and 5).

	On WM_SYSKEYUP, generate a key release event also for just the Alt
	key.

	On WM_MOUSELEAVE, generate a leave event of type
	GDK_NOTIFY_ANCESTOR (and not UNKNOWN) if the mouse left a
	top-level window, and left the app completely.

	On WM_ENTERSIZEMOVE, set a flag, and start an interval timer that
	calls resize_timer_proc() at regular intervals. On
	WM_EXITSIZEMOVE, kill the timer.

	On WM_WINDOWPOSCHANGED, generate a configure event if necessary,
	and dispatch the main loop (by calling
	handle_stuff_while_moving_or_resizing()). Fixes #99540, idea by
	Herman Bloggs.

	* gdk/win32/gdkmain-win32.c (_gdk_win32_message_to_string): Handle
	also wintab messages.

	* gdk/win32/gdkwindow-win32.c (gdk_window_set_skip_taskbar_hint):
	Instead of using WS_EX_TOOLWINDOW, implement by setting/unsetting
	the window's owner. Fixes #118093, reported by Maxime Romano.
2003-12-14 01:57:54 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2000 Red Hat, Inc.
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
#include "gdk.h"
#include "gdkprivate-win32.h"
#include "gdkinternals.h"
#include "gdkkeysyms.h"
#include "config.h"
guint _gdk_keymap_serial = 0;
gboolean _gdk_keyboard_has_altgr = FALSE;
static GdkKeymap *default_keymap = NULL;
static guint *keysym_tab = NULL;
#ifdef G_ENABLE_DEBUG
static void
print_keysym_tab (void)
{
gint vk;
g_print ("keymap:%s\n", _gdk_keyboard_has_altgr ? " (uses AltGr)" : "");
for (vk = 0; vk < 256; vk++)
{
gint state;
g_print ("%#.02x: ", vk);
for (state = 0; state < 4; state++)
{
gchar *name = gdk_keyval_name (keysym_tab[vk*4 + state]);
if (name == NULL)
name = "(none)";
g_print ("%s ", name);
}
g_print ("\n");
}
}
#endif
static void
update_keymap (void)
{
static guint current_serial = 0;
guchar key_state[256], temp_key_state[256];
wchar_t wcs[1];
guint scancode;
guint vk;
if (keysym_tab != NULL && current_serial == _gdk_keymap_serial)
return;
current_serial = _gdk_keymap_serial;
if (keysym_tab == NULL)
keysym_tab = g_new (guint, 4*256);
memset (key_state, 0, sizeof (key_state));
_gdk_keyboard_has_altgr = FALSE;
for (vk = 0; vk < 256; vk++)
{
if ((scancode = MapVirtualKey (vk, 0)) == 0)
keysym_tab[vk*4+0] =
keysym_tab[vk*4+1] =
keysym_tab[vk*4+2] =
keysym_tab[vk*4+3] = GDK_VoidSymbol;
else
{
gint shift;
key_state[vk] = 0x80;
for (shift = 0; shift < 4; shift++)
{
guint *ksymp = keysym_tab + vk*4 + shift;
guchar chars[2];
switch (shift)
{
case 0:
key_state[VK_SHIFT] = 0;
key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
break;
case 1:
key_state[VK_SHIFT] = 0x80;
key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
break;
case 2:
key_state[VK_SHIFT] = 0;
key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
break;
case 3:
key_state[VK_SHIFT] = 0x80;
key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
break;
}
*ksymp = 0;
/* First, handle those virtual keys that we always want
* as special GDK_* keysyms, even if ToAsciiEx might
* turn some them into a ASCII character (like TAB and
* ESC).
*/
switch (vk)
{
case VK_CANCEL:
*ksymp = GDK_Cancel; break;
case VK_BACK:
*ksymp = GDK_BackSpace; break;
case VK_TAB:
if (shift & 0x1)
*ksymp = GDK_ISO_Left_Tab;
else
*ksymp = GDK_Tab;
break;
case VK_CLEAR:
*ksymp = GDK_Clear; break;
case VK_RETURN:
*ksymp = GDK_Return; break;
case VK_SHIFT:
case VK_LSHIFT:
*ksymp = GDK_Shift_L; break;
case VK_CONTROL:
case VK_LCONTROL:
*ksymp = GDK_Control_L; break;
case VK_MENU:
case VK_LMENU:
*ksymp = GDK_Alt_L; break;
case VK_PAUSE:
*ksymp = GDK_Pause; break;
case VK_ESCAPE:
*ksymp = GDK_Escape; break;
case VK_PRIOR:
*ksymp = GDK_Prior; break;
case VK_NEXT:
*ksymp = GDK_Next; break;
case VK_END:
*ksymp = GDK_End; break;
case VK_HOME:
*ksymp = GDK_Home; break;
case VK_LEFT:
*ksymp = GDK_Left; break;
case VK_UP:
*ksymp = GDK_Up; break;
case VK_RIGHT:
*ksymp = GDK_Right; break;
case VK_DOWN:
*ksymp = GDK_Down; break;
case VK_SELECT:
*ksymp = GDK_Select; break;
case VK_PRINT:
*ksymp = GDK_Print; break;
case VK_EXECUTE:
*ksymp = GDK_Execute; break;
case VK_INSERT:
*ksymp = GDK_Insert; break;
case VK_DELETE:
*ksymp = GDK_Delete; break;
case VK_HELP:
*ksymp = GDK_Help; break;
case VK_LWIN:
*ksymp = GDK_Meta_L; break;
case VK_RWIN:
*ksymp = GDK_Meta_R; break;
case VK_MULTIPLY:
*ksymp = GDK_KP_Multiply; break;
case VK_ADD:
*ksymp = GDK_KP_Add; break;
case VK_SEPARATOR:
*ksymp = GDK_KP_Separator; break;
case VK_SUBTRACT:
*ksymp = GDK_KP_Subtract; break;
case VK_DECIMAL:
*ksymp = GDK_KP_Decimal; break;
case VK_DIVIDE:
*ksymp = GDK_KP_Divide; break;
case VK_F1:
*ksymp = GDK_F1; break;
case VK_F2:
*ksymp = GDK_F2; break;
case VK_F3:
*ksymp = GDK_F3; break;
case VK_F4:
*ksymp = GDK_F4; break;
case VK_F5:
*ksymp = GDK_F5; break;
case VK_F6:
*ksymp = GDK_F6; break;
case VK_F7:
*ksymp = GDK_F7; break;
case VK_F8:
*ksymp = GDK_F8; break;
case VK_F9:
*ksymp = GDK_F9; break;
case VK_F10:
*ksymp = GDK_F10; break;
case VK_F11:
*ksymp = GDK_F11; break;
case VK_F12:
*ksymp = GDK_F12; break;
case VK_F13:
*ksymp = GDK_F13; break;
case VK_F14:
*ksymp = GDK_F14; break;
case VK_F15:
*ksymp = GDK_F15; break;
case VK_F16:
*ksymp = GDK_F16; break;
case VK_F17:
*ksymp = GDK_F17; break;
case VK_F18:
*ksymp = GDK_F18; break;
case VK_F19:
*ksymp = GDK_F19; break;
case VK_F20:
*ksymp = GDK_F20; break;
case VK_F21:
*ksymp = GDK_F21; break;
case VK_F22:
*ksymp = GDK_F22; break;
case VK_F23:
*ksymp = GDK_F23; break;
case VK_F24:
*ksymp = GDK_F24; break;
case VK_NUMLOCK:
*ksymp = GDK_Num_Lock; break;
case VK_SCROLL:
*ksymp = GDK_Scroll_Lock; break;
case VK_RSHIFT:
*ksymp = GDK_Shift_R; break;
case VK_RCONTROL:
*ksymp = GDK_Control_R; break;
case VK_RMENU:
*ksymp = GDK_Alt_R; break;
}
if (*ksymp == 0)
{
gint k = ToAsciiEx (vk, scancode, key_state,
(LPWORD) chars, 0, _gdk_input_locale);
#if 0
g_print ("ToAsciiEx(%02x: %d: %d: %d, %02x%02x\n",
vk, scancode, shift, k, chars[0], chars[1]);
#endif
if (k == 1)
{
if (_gdk_input_codepage >= 1250 &&
_gdk_input_codepage <= 1258 &&
chars[0] >= GDK_space && chars[0] <= GDK_asciitilde)
*ksymp = chars[0];
else
{
if (MultiByteToWideChar (_gdk_input_codepage, 0,
chars, 1, wcs, 1) > 0)
*ksymp = gdk_unicode_to_keyval (wcs[0]);
}
}
else if (k == -1)
{
MultiByteToWideChar (_gdk_input_codepage, 0,
chars, 1, wcs, 1);
/* It is a dead key, and it's has been stored in
* the keyboard layout's state by ToAsciiEx().
* Yes, this is an incredibly silly API! Make
* the keyboard layout forget it by calling
* ToAsciiEx() once more, with the virtual key
* code and scancode for the spacebar, without
* shift or AltGr. Otherwise the next call to
* ToAsciiEx() with a different key would try to
* combine with the dead key.
*/
memmove (temp_key_state, key_state, sizeof (key_state));
temp_key_state[VK_SHIFT] =
temp_key_state[VK_CONTROL] =
temp_key_state[VK_MENU] = 0;
ToAsciiEx (VK_SPACE, MapVirtualKey (VK_SPACE, 0),
temp_key_state, (LPWORD) chars, 0,
_gdk_input_locale);
/* Use dead keysyms instead of "undead" ones */
switch (gdk_unicode_to_keyval (wcs[0]))
{
case '"': /* 0x022 */
*ksymp = GDK_dead_diaeresis; break;
case '\'': /* 0x027 */
*ksymp = GDK_dead_acute; break;
case GDK_asciicircum: /* 0x05e */
*ksymp = GDK_dead_circumflex; break;
case GDK_grave: /* 0x060 */
*ksymp = GDK_dead_grave; break;
case GDK_asciitilde: /* 0x07e */
*ksymp = GDK_dead_tilde; break;
case GDK_diaeresis: /* 0x0a8 */
*ksymp = GDK_dead_diaeresis; break;
case GDK_degree: /* 0x0b0 */
*ksymp = GDK_dead_abovering; break;
case GDK_acute: /* 0x0b4 */
*ksymp = GDK_dead_acute; break;
case GDK_periodcentered: /* 0x0b7 */
*ksymp = GDK_dead_abovedot; break;
case GDK_cedilla: /* 0x0b8 */
*ksymp = GDK_dead_cedilla; break;
case GDK_breve: /* 0x1a2 */
*ksymp = GDK_dead_breve; break;
case GDK_ogonek: /* 0x1b2 */
*ksymp = GDK_dead_ogonek; break;
case GDK_caron: /* 0x1b7 */
*ksymp = GDK_dead_caron; break;
case GDK_doubleacute: /* 0x1bd */
*ksymp = GDK_dead_doubleacute; break;
case GDK_abovedot: /* 0x1ff */
*ksymp = GDK_dead_abovedot; break;
case GDK_Greek_accentdieresis: /* 0x7ae */
*ksymp = GDK_Greek_accentdieresis; break;
default:
GDK_NOTE (EVENTS,
g_print ("Unhandled dead key cp:%d vk:%02x, sc:%x, ch:%02x%s%s\n",
_gdk_input_codepage, vk,
scancode, chars[0],
(shift&0x1 ? " shift" : ""),
(shift&0x2 ? " altgr" : "")));
}
}
else if (k == 0)
{
/* Seems to be necessary to "reset" the keyboard layout
* in this case, too. Otherwise problems on NT4.
*/
memmove (temp_key_state, key_state, sizeof (key_state));
temp_key_state[VK_SHIFT] =
temp_key_state[VK_CONTROL] =
temp_key_state[VK_MENU] = 0;
ToAsciiEx (VK_SPACE, MapVirtualKey (VK_SPACE, 0),
temp_key_state, (LPWORD) chars, 0,
_gdk_input_locale);
}
else
{
#if 0
GDK_NOTE (EVENTS, g_print ("ToAsciiEx returns %d "
"for vk:%02x, sc:%02x%s%s\n",
k, vk, scancode,
(shift&0x1 ? " shift" : ""),
(shift&0x2 ? " altgr" : "")));
#endif
}
}
if (*ksymp == 0)
*ksymp = GDK_VoidSymbol;
}
key_state[vk] = 0;
}
if ((keysym_tab[vk*4 + 2] != GDK_VoidSymbol &&
keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
(keysym_tab[vk*4 + 3] != GDK_VoidSymbol &&
keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
_gdk_keyboard_has_altgr = TRUE;
}
GDK_NOTE (EVENTS, print_keysym_tab ());
}
GdkKeymap*
gdk_keymap_get_for_display (GdkDisplay *display)
{
g_return_val_if_fail (display == gdk_display_get_default (), NULL);
if (default_keymap == NULL)
default_keymap = g_object_new (gdk_keymap_get_type (), NULL);
return default_keymap;
}
PangoDirection
gdk_keymap_get_direction (GdkKeymap *keymap)
{
update_keymap ();
switch (PRIMARYLANGID (LOWORD ((DWORD) _gdk_input_locale)))
{
case LANG_HEBREW:
case LANG_ARABIC:
#ifdef LANG_URDU
case LANG_URDU:
#endif
case LANG_FARSI:
/* Others? */
return PANGO_DIRECTION_RTL;
default:
return PANGO_DIRECTION_LTR;
}
}
gboolean
gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
gint *n_keys)
{
GArray *retval;
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
g_return_val_if_fail (keys != NULL, FALSE);
g_return_val_if_fail (n_keys != NULL, FALSE);
g_return_val_if_fail (keyval != 0, FALSE);
retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
/* Accept only the default keymap */
if (keymap == NULL || keymap == gdk_keymap_get_default ())
{
gint vk;
update_keymap ();
for (vk = 0; vk < 256; vk++)
{
gint i;
for (i = 0; i < 4; i++)
{
if (keysym_tab[vk*4+i] == keyval)
{
GdkKeymapKey key;
key.keycode = vk;
/* 2 levels (normal, shift), two groups (normal, AltGr) */
key.group = i / 2;
key.level = i % 2;
g_array_append_val (retval, key);
}
}
}
}
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
{
gint i;
g_print ("gdk_keymap_get_entries_for_keyval: %#.04x (%s):",
keyval, gdk_keyval_name (keyval));
for (i = 0; i < retval->len; i++)
{
GdkKeymapKey *entry = (GdkKeymapKey *) retval->data + i;
g_print (" %#.02x %d %d", entry->keycode, entry->group, entry->level);
}
g_print ("\n");
}
#endif
if (retval->len > 0)
{
*keys = (GdkKeymapKey*) retval->data;
*n_keys = retval->len;
}
else
{
*keys = NULL;
*n_keys = 0;
}
g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
return *n_keys > 0;
}
gboolean
gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
gint *n_entries)
{
GArray *key_array;
GArray *keyval_array;
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
g_return_val_if_fail (n_entries != NULL, FALSE);
if (hardware_keycode <= 0 ||
hardware_keycode >= 256)
{
if (keys)
*keys = NULL;
if (keyvals)
*keyvals = NULL;
*n_entries = 0;
return FALSE;
}
if (keys)
key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
else
key_array = NULL;
if (keyvals)
keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
else
keyval_array = NULL;
/* Accept only the default keymap */
if (keymap == NULL || keymap == gdk_keymap_get_default ())
{
gint i;
update_keymap ();
for (i = 0; i < 4; i++)
{
if (key_array)
{
GdkKeymapKey key;
key.keycode = hardware_keycode;
key.group = i / 2;
key.level = i % 2;
g_array_append_val (key_array, key);
}
if (keyval_array)
g_array_append_val (keyval_array, keysym_tab[hardware_keycode*4+i]);
}
}
if ((key_array && key_array->len > 0) ||
(keyval_array && keyval_array->len > 0))
{
if (keys)
*keys = (GdkKeymapKey*) key_array->data;
if (keyvals)
*keyvals = (guint*) keyval_array->data;
if (key_array)
*n_entries = key_array->len;
else
*n_entries = keyval_array->len;
}
else
{
if (keys)
*keys = NULL;
if (keyvals)
*keyvals = NULL;
*n_entries = 0;
}
if (key_array)
g_array_free (key_array, key_array->len > 0 ? FALSE : TRUE);
if (keyval_array)
g_array_free (keyval_array, keyval_array->len > 0 ? FALSE : TRUE);
return *n_entries > 0;
}
guint
gdk_keymap_lookup_key (GdkKeymap *keymap,
const GdkKeymapKey *key)
{
guint sym;
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
g_return_val_if_fail (key != NULL, 0);
g_return_val_if_fail (key->group < 4, 0);
/* Accept only the default keymap */
if (keymap != NULL && keymap != gdk_keymap_get_default ())
return 0;
update_keymap ();
if (key->keycode >= 256 ||
key->group < 0 || key->group >= 2 ||
key->level < 0 || key->level >= 2)
return 0;
sym = keysym_tab[key->keycode*4 + key->group*2 + key->level];
if (sym == GDK_VoidSymbol)
return 0;
else
return sym;
}
gboolean
gdk_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;
guint tmp_modifiers;
guint *keyvals;
gint shift_level;
gboolean ignore_shift = FALSE;
gboolean ignore_group = FALSE;
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
g_return_val_if_fail (group < 4, FALSE);
#if 0
GDK_NOTE (EVENTS, g_print ("gdk_keymap_translate_keyboard_state: keycode=%#x state=%#x group=%d\n",
hardware_keycode, state, group));
#endif
if (keyval)
*keyval = 0;
if (effective_group)
*effective_group = 0;
if (level)
*level = 0;
if (consumed_modifiers)
*consumed_modifiers = 0;
/* Accept only the default keymap */
if (keymap != NULL && keymap != gdk_keymap_get_default ())
return FALSE;
if (hardware_keycode >= 256)
return FALSE;
if (group < 0 || group >= 2)
return FALSE;
if ((state & GDK_SHIFT_MASK) && (state & GDK_LOCK_MASK))
shift_level = 0; /* shift disables caps lock */
else if (state & GDK_SHIFT_MASK)
shift_level = 1;
else
shift_level = 0;
update_keymap ();
keyvals = keysym_tab + hardware_keycode*4;
/* Drop group and shift if there are no keysymbols on
* the key for those.
*/
if (shift_level == 1 &&
keyvals[group*2 + 1] == GDK_VoidSymbol &&
keyvals[group*2] != GDK_VoidSymbol)
{
shift_level = 0;
ignore_shift = TRUE;
}
if (group == 1 &&
keyvals[2 + shift_level] == GDK_VoidSymbol &&
keyvals[0 + shift_level] != GDK_VoidSymbol)
{
group = 0;
ignore_group = TRUE;
}
if (keyvals[group *2 + shift_level] == GDK_VoidSymbol &&
keyvals[0 + 0] != GDK_VoidSymbol)
{
shift_level = 0;
group = 0;
ignore_group = TRUE;
ignore_shift = TRUE;
}
/* See whether the group and shift level actually mattered
* to know what to put in consumed_modifiers
*/
if (keyvals[group*2 + 1] == GDK_VoidSymbol ||
keyvals[group*2 + 0] == keyvals[group*2 + 1])
ignore_shift = TRUE;
if (keyvals[2 + shift_level] == GDK_VoidSymbol ||
keyvals[0 + shift_level] == keyvals[2 + shift_level])
ignore_group = TRUE;
tmp_keyval = keyvals[group*2 + shift_level];
tmp_modifiers = ignore_group ? 0 : GDK_MOD2_MASK;
tmp_modifiers |= ignore_shift ? 0 : (GDK_SHIFT_MASK | GDK_LOCK_MASK);
if (effective_group)
*effective_group = group;
if (!(state & GDK_SHIFT_MASK) && (state & GDK_LOCK_MASK))
{
guint upper = gdk_keyval_to_upper (tmp_keyval);
if (upper != tmp_keyval)
tmp_keyval = upper;
}
if (level)
*level = shift_level;
if (consumed_modifiers)
*consumed_modifiers = tmp_modifiers;
if (keyval)
*keyval = tmp_keyval;
#if 0
GDK_NOTE (EVENTS, g_print ("...group=%d level=%d cmods=%#x keyval=%s\n",
group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));
#endif
return tmp_keyval != GDK_VoidSymbol;
}
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