655 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			655 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* GDK - The GIMP Drawing Kit
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 * Copyright (C) 2000 Red Hat, Inc.
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 *
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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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 *
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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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 *
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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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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GTK+ Team.  See the ChangeLog
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 * files for a list of changes.  These files are distributed with
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 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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 */
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#include <errno.h>
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#include "gdk.h"
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#include "gdkwayland.h"
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#include "gdkprivate-wayland.h"
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#include "gdkinternals.h"
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#include "gdkdisplay-wayland.h"
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#include "gdkkeysprivate.h"
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#include <X11/extensions/XKBcommon.h>
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typedef struct _GdkWaylandKeymap          GdkWaylandKeymap;
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typedef struct _GdkWaylandKeymapClass     GdkWaylandKeymapClass;
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struct _GdkWaylandKeymap
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{
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  GdkKeymap parent_instance;
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  GdkModifierType modmap[8];
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  struct xkb_desc *xkb;
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};
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struct _GdkWaylandKeymapClass
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{
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  GdkKeymapClass parent_class;
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};
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#define GDK_TYPE_WAYLAND_KEYMAP          (_gdk_wayland_keymap_get_type ())
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#define GDK_WAYLAND_KEYMAP(object)       (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_KEYMAP, GdkWaylandKeymap))
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#define GDK_IS_WAYLAND_KEYMAP(object)    (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WAYLAND_KEYMAP))
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G_DEFINE_TYPE (GdkWaylandKeymap, _gdk_wayland_keymap, GDK_TYPE_KEYMAP)
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static void
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gdk_wayland_keymap_finalize (GObject *object)
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{
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  G_OBJECT_CLASS (_gdk_wayland_keymap_parent_class)->finalize (object);
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}
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static PangoDirection
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gdk_wayland_keymap_get_direction (GdkKeymap *keymap)
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{
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    return PANGO_DIRECTION_NEUTRAL;
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}
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static gboolean
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gdk_wayland_keymap_have_bidi_layouts (GdkKeymap *keymap)
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{
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    return FALSE;
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}
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static gboolean
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gdk_wayland_keymap_get_caps_lock_state (GdkKeymap *keymap)
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{
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  return FALSE;
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}
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static gboolean
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gdk_wayland_keymap_get_num_lock_state (GdkKeymap *keymap)
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{
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  return FALSE;
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}
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static gboolean
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gdk_wayland_keymap_get_entries_for_keyval (GdkKeymap     *keymap,
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					   guint          keyval,
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					   GdkKeymapKey **keys,
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					   gint          *n_keys)
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{
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  GArray *retval;
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  uint32_t keycode;
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  struct xkb_desc *xkb;
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  xkb = GDK_WAYLAND_KEYMAP (keymap)->xkb;
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  keycode = xkb->min_key_code;
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  retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
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  for (keycode = xkb->min_key_code; keycode <= xkb->max_key_code; keycode++)
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    {
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      gint max_shift_levels = XkbKeyGroupsWidth (xkb, keycode);
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      gint group = 0;
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      gint level = 0;
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      gint total_syms = XkbKeyNumSyms (xkb, keycode);
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      gint i = 0;
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      uint32_t *entry;
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      /* entry is an array with all syms for group 0, all
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       * syms for group 1, etc. and for each group the
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       * shift level syms are in order
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       */
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      entry = XkbKeySymsPtr (xkb, keycode);
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      for (i = 0; i < total_syms; i++)
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	{
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	  /* check out our cool loop invariant */
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	  g_assert (i == (group * max_shift_levels + level));
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	  if (entry[i] == keyval)
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	    {
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	      /* Found a match */
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	      GdkKeymapKey key;
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	      key.keycode = keycode;
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	      key.group = group;
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	      key.level = level;
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	      g_array_append_val (retval, key);
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	      g_assert (XkbKeySymEntry (xkb, keycode, level, group) ==
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			keyval);
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	    }
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	  level++;
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	  if (level == max_shift_levels)
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	    {
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	      level = 0;
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	      group++;
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	    }
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	}
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    }
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  *n_keys = retval->len;
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  *keys = (GdkKeymapKey *) g_array_free (retval, FALSE);
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  return *n_keys > 0;
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}
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static gboolean
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gdk_wayland_keymap_get_entries_for_keycode (GdkKeymap     *keymap,
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					    guint          hardware_keycode,
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					    GdkKeymapKey **keys,
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					    guint        **keyvals,
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					    gint          *n_entries)
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{
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  GArray *key_array;
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  GArray *keyval_array;
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  struct xkb_desc *xkb;
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  gint max_shift_levels;
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  gint group = 0;
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  gint level = 0;
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  gint total_syms;
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  gint i;
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  uint32_t *entry;
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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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  xkb = GDK_WAYLAND_KEYMAP (keymap)->xkb;
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  if (hardware_keycode < xkb->min_key_code ||
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      hardware_keycode > xkb->max_key_code)
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    {
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      if (keys)
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	*keys = NULL;
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      if (keyvals)
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	*keyvals = NULL;
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      *n_entries = 0;
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      return FALSE;
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    }
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  if (keys)
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    key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
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  else
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    key_array = NULL;
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  if (keyvals)
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    keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
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  else
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    keyval_array = NULL;
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  /* See sec 15.3.4 in XKB docs */
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  max_shift_levels = XkbKeyGroupsWidth (xkb, hardware_keycode);
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  total_syms = XkbKeyNumSyms (xkb, hardware_keycode);
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  /* entry is an array with all syms for group 0, all
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   * syms for group 1, etc. and for each group the
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   * shift level syms are in order
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   */
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  entry = XkbKeySymsPtr (xkb, hardware_keycode);
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  for (i = 0; i < total_syms; i++)
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    {
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      /* check out our cool loop invariant */
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      g_assert (i == (group * max_shift_levels + level));
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      if (key_array)
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	{
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	  GdkKeymapKey key;
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	  key.keycode = hardware_keycode;
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	  key.group = group;
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	  key.level = level;
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	  g_array_append_val (key_array, key);
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	}
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      if (keyval_array)
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	g_array_append_val (keyval_array, entry[i]);
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      ++level;
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      if (level == max_shift_levels)
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	{
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	  level = 0;
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	  ++group;
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	}
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    }
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  *n_entries = 0;
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  if (keys)
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    {
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      *n_entries = key_array->len;
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      *keys = (GdkKeymapKey*) g_array_free (key_array, FALSE);
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    }
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  if (keyvals)
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    {
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      *n_entries = keyval_array->len;
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      *keyvals = (guint*) g_array_free (keyval_array, FALSE);
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    }
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  return *n_entries > 0;
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}
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static guint
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gdk_wayland_keymap_lookup_key (GdkKeymap          *keymap,
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			       const GdkKeymapKey *key)
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{
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  struct xkb_desc *xkb;
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  xkb = GDK_WAYLAND_KEYMAP (keymap)->xkb;
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  return XkbKeySymEntry (xkb, key->keycode, key->level, key->group);
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}
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/* This is copied straight from XFree86 Xlib, to:
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 *  - add the group and level return.
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 *  - change the interpretation of mods_rtrn as described
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 *    in the docs for gdk_keymap_translate_keyboard_state()
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 * It's unchanged for ease of diff against the Xlib sources; don't
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 * reformat it.
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 */
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static int
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MyEnhancedXkbTranslateKeyCode(struct xkb_desc *       xkb,
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                              KeyCode                 key,
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                              unsigned int            mods,
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                              unsigned int *          mods_rtrn,
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                              uint32_t *              keysym_rtrn,
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                              int *                   group_rtrn,
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                              int *                   level_rtrn)
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{
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    struct xkb_key_type *type;
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    int col,nKeyGroups;
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    unsigned preserve,effectiveGroup;
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    uint32_t *syms;
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    if (mods_rtrn!=NULL)
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        *mods_rtrn = 0;
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    nKeyGroups= XkbKeyNumGroups(xkb,key);
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    if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0)) {
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        if (keysym_rtrn!=NULL)
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            *keysym_rtrn = 0;
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        return 0;
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    }
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    syms = XkbKeySymsPtr(xkb,key);
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    /* find the offset of the effective group */
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    col = 0;
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    effectiveGroup= XkbGroupForCoreState(mods);
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    if ( effectiveGroup>=nKeyGroups ) {
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        unsigned groupInfo= XkbKeyGroupInfo(xkb,key);
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        switch (XkbOutOfRangeGroupAction(groupInfo)) {
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            default:
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                effectiveGroup %= nKeyGroups;
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                break;
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            case XkbClampIntoRange:
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                effectiveGroup = nKeyGroups-1;
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                break;
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            case XkbRedirectIntoRange:
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                effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
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                if (effectiveGroup>=nKeyGroups)
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                    effectiveGroup= 0;
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                break;
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        }
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    }
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    col= effectiveGroup*XkbKeyGroupsWidth(xkb,key);
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    type = XkbKeyKeyType(xkb,key,effectiveGroup);
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    preserve= 0;
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    if (type->map) { /* find the column (shift level) within the group */
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        register int i;
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        struct xkb_kt_map_entry *entry;
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        /* ---- Begin section modified for GDK  ---- */
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        int found = 0;
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        for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
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            if (mods_rtrn) {
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                int bits = 0;
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                unsigned long tmp = entry->mods.mask;
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                while (tmp) {
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                    if ((tmp & 1) == 1)
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                        bits++;
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                    tmp >>= 1;
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                }
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                /* We always add one-modifiers levels to mods_rtrn since
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                 * they can't wipe out bits in the state unless the
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                 * level would be triggered. But return other modifiers
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                 *
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                 */
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                if (bits == 1 || (mods&type->mods.mask)==entry->mods.mask)
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                    *mods_rtrn |= entry->mods.mask;
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            }
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            if (!found&&entry->active&&((mods&type->mods.mask)==entry->mods.mask)) {
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                col+= entry->level;
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                if (type->preserve)
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                    preserve= type->preserve[i].mask;
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                if (level_rtrn)
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                  *level_rtrn = entry->level;
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                found = 1;
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            }
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        }
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        /* ---- End section modified for GDK ---- */
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    }
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    if (keysym_rtrn!=NULL)
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        *keysym_rtrn= syms[col];
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    if (mods_rtrn) {
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        /* ---- Begin section modified for GDK  ---- */
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        *mods_rtrn &= ~preserve;
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        /* ---- End section modified for GDK ---- */
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        /* ---- Begin stuff GDK comments out of the original Xlib version ---- */
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        /* This is commented out because xkb_info is a private struct */
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#if 0
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        /* The Motif VTS doesn't get the help callback called if help
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         * is bound to Shift+<whatever>, and it appears as though it
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         * is XkbTranslateKeyCode that is causing the problem.  The
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         * core X version of XTranslateKey always OR's in ShiftMask
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         * and LockMask for mods_rtrn, so this "fix" keeps this behavior
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         * and solves the VTS problem.
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         */
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        if ((xkb->dpy)&&(xkb->dpy->xkb_info)&&
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            (xkb->dpy->xkb_info->xlib_ctrls&XkbLC_AlwaysConsumeShiftAndLock)) {            *mods_rtrn|= (ShiftMask|LockMask);
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        }
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#endif
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        /* ---- End stuff GDK comments out of the original Xlib version ---- */
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    }
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    /* ---- Begin stuff GDK adds to the original Xlib version ---- */
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    if (group_rtrn)
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      *group_rtrn = effectiveGroup;
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    /* ---- End stuff GDK adds to the original Xlib version ---- */
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    return (syms[col] != 0);
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}
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static gboolean
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gdk_wayland_keymap_translate_keyboard_state (GdkKeymap       *keymap,
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					     guint            hardware_keycode,
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					     GdkModifierType  state,
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					     gint             group,
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					     guint           *keyval,
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					     gint            *effective_group,
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					     gint            *level,
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					     GdkModifierType *consumed_modifiers)
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{
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  GdkWaylandKeymap *wayland_keymap;
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  uint32_t tmp_keyval = 0;
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  guint tmp_modifiers;
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  struct xkb_desc *xkb;
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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 < 4, FALSE);
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  wayland_keymap = GDK_WAYLAND_KEYMAP (keymap);
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  xkb = wayland_keymap->xkb;
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  if (keyval)
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    *keyval = 0;
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  if (effective_group)
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    *effective_group = 0;
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  if (level)
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    *level = 0;
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  if (consumed_modifiers)
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    *consumed_modifiers = 0;
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  if (hardware_keycode < xkb->min_key_code ||
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      hardware_keycode > xkb->max_key_code)
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    return FALSE;
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  /* replace bits 13 and 14 with the provided group */
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  state &= ~(1 << 13 | 1 << 14);
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  state |= group << 13;
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  MyEnhancedXkbTranslateKeyCode (xkb,
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				 hardware_keycode,
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				 state,
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				 &tmp_modifiers,
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				 &tmp_keyval,
 | 
						|
				 effective_group,
 | 
						|
				 level);
 | 
						|
 | 
						|
  if (state & ~tmp_modifiers & XKB_COMMON_LOCK_MASK)
 | 
						|
    tmp_keyval = gdk_keyval_to_upper (tmp_keyval);
 | 
						|
 | 
						|
  /* We need to augment the consumed modifiers with LockMask, since
 | 
						|
   * we handle that ourselves, and also with the group bits
 | 
						|
   */
 | 
						|
  tmp_modifiers |= XKB_COMMON_LOCK_MASK | 1 << 13 | 1 << 14;
 | 
						|
 | 
						|
 | 
						|
  if (consumed_modifiers)
 | 
						|
    *consumed_modifiers = tmp_modifiers;
 | 
						|
 | 
						|
  if (keyval)
 | 
						|
    *keyval = tmp_keyval;
 | 
						|
 | 
						|
  return tmp_keyval != 0;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static void
 | 
						|
update_modmap (GdkWaylandKeymap *wayland_keymap)
 | 
						|
{
 | 
						|
  static struct {
 | 
						|
    const gchar *name;
 | 
						|
    uint32_t atom;
 | 
						|
    GdkModifierType mask;
 | 
						|
  } vmods[] = {
 | 
						|
    { "Meta", 0, GDK_META_MASK },
 | 
						|
    { "Super", 0, GDK_SUPER_MASK },
 | 
						|
    { "Hyper", 0, GDK_HYPER_MASK },
 | 
						|
    { NULL, 0, 0 }
 | 
						|
  };
 | 
						|
 | 
						|
  gint i, j, k;
 | 
						|
 | 
						|
  if (!vmods[0].atom)
 | 
						|
    for (i = 0; vmods[i].name; i++)
 | 
						|
      vmods[i].atom = xkb_intern_atom(vmods[i].name);
 | 
						|
 | 
						|
  for (i = 0; i < 8; i++)
 | 
						|
    wayland_keymap->modmap[i] = 1 << i;
 | 
						|
 | 
						|
  for (i = 0; i < XkbNumVirtualMods; i++)
 | 
						|
    {
 | 
						|
      for (j = 0; vmods[j].atom; j++)
 | 
						|
	{
 | 
						|
	  if (wayland_keymap->xkb->names->vmods[i] == vmods[j].atom)
 | 
						|
	    {
 | 
						|
	      for (k = 0; k < 8; k++)
 | 
						|
		{
 | 
						|
		  if (wayland_keymap->xkb->server->vmods[i] & (1 << k))
 | 
						|
		    wayland_keymap->modmap[k] |= vmods[j].mask;
 | 
						|
		}
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
gdk_wayland_keymap_add_virtual_modifiers (GdkKeymap       *keymap,
 | 
						|
					  GdkModifierType *state)
 | 
						|
{
 | 
						|
  GdkWaylandKeymap *wayland_keymap;
 | 
						|
  int i;
 | 
						|
 | 
						|
  wayland_keymap = GDK_WAYLAND_KEYMAP (keymap);
 | 
						|
 | 
						|
  for (i = 3; i < 8; i++)
 | 
						|
    {
 | 
						|
      if ((1 << i) & *state)
 | 
						|
	{
 | 
						|
	  if (wayland_keymap->modmap[i] & GDK_MOD1_MASK)
 | 
						|
	    *state |= GDK_MOD1_MASK;
 | 
						|
	  if (wayland_keymap->modmap[i] & GDK_SUPER_MASK)
 | 
						|
	    *state |= GDK_SUPER_MASK;
 | 
						|
	  if (wayland_keymap->modmap[i] & GDK_HYPER_MASK)
 | 
						|
	    *state |= GDK_HYPER_MASK;
 | 
						|
	  if (wayland_keymap->modmap[i] & GDK_META_MASK)
 | 
						|
	    *state |= GDK_META_MASK;
 | 
						|
	}
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static gboolean
 | 
						|
gdk_wayland_keymap_map_virtual_modifiers (GdkKeymap       *keymap,
 | 
						|
					  GdkModifierType *state)
 | 
						|
{
 | 
						|
  const guint vmods[] = {
 | 
						|
    GDK_SUPER_MASK, GDK_HYPER_MASK, GDK_META_MASK
 | 
						|
  };
 | 
						|
  int i, j;
 | 
						|
  GdkWaylandKeymap *wayland_keymap;
 | 
						|
  gboolean retval;
 | 
						|
 | 
						|
  wayland_keymap = GDK_WAYLAND_KEYMAP (keymap);
 | 
						|
 | 
						|
  for (j = 0; j < 3; j++)
 | 
						|
    {
 | 
						|
      if (*state & vmods[j])
 | 
						|
	{
 | 
						|
	  for (i = 3; i < 8; i++)
 | 
						|
	    {
 | 
						|
	      if (wayland_keymap->modmap[i] & vmods[j])
 | 
						|
		{
 | 
						|
		  if (*state & (1 << i))
 | 
						|
		    retval = FALSE;
 | 
						|
		  else
 | 
						|
		    *state |= 1 << i;
 | 
						|
		}
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
  return retval;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
_gdk_wayland_keymap_class_init (GdkWaylandKeymapClass *klass)
 | 
						|
{
 | 
						|
  GObjectClass *object_class = G_OBJECT_CLASS (klass);
 | 
						|
  GdkKeymapClass *keymap_class = GDK_KEYMAP_CLASS (klass);
 | 
						|
 | 
						|
  object_class->finalize = gdk_wayland_keymap_finalize;
 | 
						|
 | 
						|
  keymap_class->get_direction = gdk_wayland_keymap_get_direction;
 | 
						|
  keymap_class->have_bidi_layouts = gdk_wayland_keymap_have_bidi_layouts;
 | 
						|
  keymap_class->get_caps_lock_state = gdk_wayland_keymap_get_caps_lock_state;
 | 
						|
  keymap_class->get_num_lock_state = gdk_wayland_keymap_get_num_lock_state;
 | 
						|
  keymap_class->get_entries_for_keyval = gdk_wayland_keymap_get_entries_for_keyval;
 | 
						|
  keymap_class->get_entries_for_keycode = gdk_wayland_keymap_get_entries_for_keycode;
 | 
						|
  keymap_class->lookup_key = gdk_wayland_keymap_lookup_key;
 | 
						|
  keymap_class->translate_keyboard_state = gdk_wayland_keymap_translate_keyboard_state;
 | 
						|
  keymap_class->add_virtual_modifiers = gdk_wayland_keymap_add_virtual_modifiers;
 | 
						|
  keymap_class->map_virtual_modifiers = gdk_wayland_keymap_map_virtual_modifiers;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
_gdk_wayland_keymap_init (GdkWaylandKeymap *keymap)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
update_keymaps (GdkWaylandKeymap *keymap)
 | 
						|
{
 | 
						|
  struct xkb_desc *xkb = keymap->xkb;
 | 
						|
  gint keycode, total_syms, i, modifier;
 | 
						|
  uint32_t *entry;
 | 
						|
  guint mask;
 | 
						|
 | 
						|
  for (keycode = xkb->min_key_code; keycode <= xkb->max_key_code; keycode++)
 | 
						|
    {
 | 
						|
      total_syms = XkbKeyNumSyms (xkb, keycode);
 | 
						|
 | 
						|
      entry = XkbKeySymsPtr (xkb, keycode);
 | 
						|
      mask = 0;
 | 
						|
      for (i = 0; i < total_syms; i++)
 | 
						|
	{
 | 
						|
	  switch (entry[i]) {
 | 
						|
	  case GDK_KEY_Meta_L:
 | 
						|
	  case GDK_KEY_Meta_R:
 | 
						|
	    mask |= GDK_META_MASK;
 | 
						|
	    break;
 | 
						|
	  case GDK_KEY_Hyper_L:
 | 
						|
	  case GDK_KEY_Hyper_R:
 | 
						|
	    mask |= GDK_HYPER_MASK;
 | 
						|
	    break;
 | 
						|
	  case GDK_KEY_Super_L:
 | 
						|
	  case GDK_KEY_Super_R:
 | 
						|
	    mask |= GDK_SUPER_MASK;
 | 
						|
	    break;
 | 
						|
	  }
 | 
						|
	}
 | 
						|
 | 
						|
      modifier = g_bit_nth_lsf(xkb->map->modmap[keycode], -1);
 | 
						|
      keymap->modmap[modifier] |= mask;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
GdkKeymap *
 | 
						|
_gdk_wayland_keymap_new (GdkDisplay *display)
 | 
						|
{
 | 
						|
  GdkWaylandKeymap *keymap;
 | 
						|
  struct xkb_rule_names names;
 | 
						|
 | 
						|
  keymap = g_object_new (_gdk_wayland_keymap_get_type(), NULL);
 | 
						|
  GDK_KEYMAP (keymap)->display = display;
 | 
						|
 | 
						|
  names.rules = "evdev";
 | 
						|
  names.model = "pc105";
 | 
						|
  names.layout = "us";
 | 
						|
  names.variant = "";
 | 
						|
  names.options = "";
 | 
						|
  keymap->xkb = xkb_compile_keymap_from_rules(&names);
 | 
						|
 | 
						|
  update_modmap (keymap);
 | 
						|
  update_keymaps (keymap);
 | 
						|
 | 
						|
  return GDK_KEYMAP (keymap);
 | 
						|
}
 | 
						|
 | 
						|
struct xkb_desc *_gdk_wayland_keymap_get_xkb_desc (GdkKeymap *keymap)
 | 
						|
{
 | 
						|
  return GDK_WAYLAND_KEYMAP (keymap)->xkb;
 | 
						|
}
 |