514 lines
15 KiB
C
514 lines
15 KiB
C
/* gnome-region-panel-xkbot.c
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* Copyright (C) 2003-2007 Sergey V. Udaltsov
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*
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* Written by: Sergey V. Udaltsov <svu@gnome.org>
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* John Spray <spray_john@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <glib/gi18n.h>
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#include <string.h>
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#include "gnome-region-panel-xkb.h"
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static GtkBuilder *chooser_dialog = NULL;
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static const char *current1st_level_id = NULL;
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static GSList *option_checks_list = NULL;
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static GtkWidget *current_none_radio = NULL;
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static GtkWidget *current_expander = NULL;
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static gboolean current_multi_select = FALSE;
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static GSList *current_radio_group = NULL;
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#define OPTION_ID_PROP "optionID"
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#define SELCOUNTER_PROP "selectionCounter"
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#define GCONFSTATE_PROP "gconfState"
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#define EXPANDERS_PROP "expandersList"
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gchar **
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xkb_options_get_selected_list (void)
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{
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gchar **retval;
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retval =
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g_settings_get_strv (xkb_keyboard_settings,
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GKBD_KEYBOARD_CONFIG_KEY_OPTIONS);
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if (retval == NULL) {
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retval = g_strdupv (initial_config.options);
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}
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return retval;
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}
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/* Returns the selection counter of the expander (static current_expander) */
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static int
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xkb_options_expander_selcounter_get (void)
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{
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return
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GPOINTER_TO_INT (g_object_get_data
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(G_OBJECT (current_expander),
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SELCOUNTER_PROP));
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}
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/* Increments the selection counter in the expander (static current_expander)
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using the value (can be 0)*/
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static void
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xkb_options_expander_selcounter_add (int value)
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{
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g_object_set_data (G_OBJECT (current_expander), SELCOUNTER_PROP,
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GINT_TO_POINTER
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(xkb_options_expander_selcounter_get ()
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+ value));
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}
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/* Resets the seletion counter in the expander (static current_expander) */
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static void
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xkb_options_expander_selcounter_reset (void)
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{
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g_object_set_data (G_OBJECT (current_expander), SELCOUNTER_PROP,
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GINT_TO_POINTER (0));
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}
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/* Formats the expander (static current_expander), based on the selection counter */
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static void
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xkb_options_expander_highlight (void)
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{
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char *utf_group_name =
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g_object_get_data (G_OBJECT (current_expander),
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"utfGroupName");
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int counter = xkb_options_expander_selcounter_get ();
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if (utf_group_name != NULL) {
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gchar *titlemarkup =
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g_strconcat (counter >
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0 ? "<span weight=\"bold\">" : "<span>",
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utf_group_name, "</span>", NULL);
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gtk_expander_set_label (GTK_EXPANDER (current_expander),
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titlemarkup);
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g_free (titlemarkup);
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}
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}
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/* Add optionname from the backend's selection list if it's not
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already in there. */
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static void
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xkb_options_select (gchar * optionname)
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{
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gboolean already_selected = FALSE;
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gchar **options_list;
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guint i;
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options_list = xkb_options_get_selected_list ();
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for (i = 0; options_list != NULL && options_list[i] != NULL; i++) {
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gchar *option = options_list[i];
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if (!strcmp (option, optionname)) {
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already_selected = TRUE;
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break;
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}
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}
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if (!already_selected) {
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options_list =
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gkbd_strv_append (options_list, g_strdup (optionname));
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xkb_options_set_selected_list (options_list);
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}
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g_strfreev (options_list);
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}
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/* Remove all occurences of optionname from the backend's selection list */
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static void
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xkb_options_deselect (gchar * optionname)
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{
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gchar **options_list = xkb_options_get_selected_list ();
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if (options_list != NULL) {
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gchar **option = options_list;
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while (*option != NULL) {
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gchar *id = *option;
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if (!strcmp (id, optionname)) {
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gkbd_strv_behead (option);
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} else
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option++;
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}
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xkb_options_set_selected_list (options_list);
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}
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g_strfreev (options_list);
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}
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/* Return true if optionname describes a string already in the backend's
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list of selected options */
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static gboolean
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xkb_options_is_selected (gchar * optionname)
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{
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gboolean retval = FALSE;
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gchar **options_list = xkb_options_get_selected_list ();
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if (options_list != NULL) {
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gchar **option = options_list;
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while (*option != NULL) {
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if (!strcmp (*option, optionname)) {
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retval = TRUE;
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break;
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}
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option++;
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}
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}
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g_strfreev (options_list);
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return retval;
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}
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/* Make sure selected options stay visible when navigating with the keyboard */
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static gboolean
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option_focused_cb (GtkWidget * widget, GdkEventFocus * event,
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gpointer data)
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{
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GtkScrolledWindow *win = GTK_SCROLLED_WINDOW (data);
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GtkAllocation alloc;
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GtkAdjustment *adj;
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gtk_widget_get_allocation (widget, &alloc);
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adj = gtk_scrolled_window_get_vadjustment (win);
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gtk_adjustment_clamp_page (adj, alloc.y, alloc.y + alloc.height);
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return FALSE;
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}
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/* Update xkb backend to reflect the new UI state */
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static void
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option_toggled_cb (GtkWidget * checkbutton, gpointer data)
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{
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gpointer optionID =
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g_object_get_data (G_OBJECT (checkbutton), OPTION_ID_PROP);
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton)))
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xkb_options_select (optionID);
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else
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xkb_options_deselect (optionID);
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}
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/* Add a check_button or radio_button to control a particular option
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This function makes particular use of the current... variables at
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the top of this file. */
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static void
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xkb_options_add_option (XklConfigRegistry * config_registry,
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XklConfigItem * config_item, GtkBuilder * dialog)
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{
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GtkWidget *option_check;
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gchar *utf_option_name = xci_desc_to_utf8 (config_item);
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/* Copy this out because we'll load it into the widget with set_data */
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gchar *full_option_name =
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g_strdup (gkbd_keyboard_config_merge_items
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(current1st_level_id, config_item->name));
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gboolean initial_state;
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if (current_multi_select)
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option_check =
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gtk_check_button_new_with_label (utf_option_name);
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else {
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if (current_radio_group == NULL) {
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/* The first radio in a group is to be "Default", meaning none of
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the below options are to be included in the selected list.
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This is a HIG-compliant alternative to allowing no
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selection in the group. */
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option_check =
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gtk_radio_button_new_with_label
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(current_radio_group, _("Default"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
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(option_check),
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TRUE);
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/* Make option name underscore -
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to enforce its first position in the list */
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g_object_set_data_full (G_OBJECT (option_check),
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"utfOptionName",
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g_strdup (" "), g_free);
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option_checks_list =
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g_slist_append (option_checks_list,
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option_check);
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current_radio_group =
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gtk_radio_button_get_group (GTK_RADIO_BUTTON
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(option_check));
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current_none_radio = option_check;
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g_signal_connect (option_check, "focus-in-event",
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G_CALLBACK (option_focused_cb),
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WID ("options_scroll"));
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}
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option_check =
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gtk_radio_button_new_with_label (current_radio_group,
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utf_option_name);
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current_radio_group =
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gtk_radio_button_get_group (GTK_RADIO_BUTTON
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(option_check));
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g_object_set_data (G_OBJECT (option_check), "NoneRadio",
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current_none_radio);
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}
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initial_state = xkb_options_is_selected (full_option_name);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (option_check),
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initial_state);
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g_object_set_data_full (G_OBJECT (option_check), OPTION_ID_PROP,
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full_option_name, g_free);
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g_object_set_data_full (G_OBJECT (option_check), "utfOptionName",
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utf_option_name, g_free);
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g_signal_connect (option_check, "toggled",
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G_CALLBACK (option_toggled_cb), NULL);
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option_checks_list =
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g_slist_append (option_checks_list, option_check);
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g_signal_connect (option_check, "focus-in-event",
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G_CALLBACK (option_focused_cb),
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WID ("options_scroll"));
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xkb_options_expander_selcounter_add (initial_state);
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g_object_set_data (G_OBJECT (option_check), GCONFSTATE_PROP,
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GINT_TO_POINTER (initial_state));
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}
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static gint
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xkb_option_checks_compare (GtkWidget * chk1, GtkWidget * chk2)
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{
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const gchar *t1 =
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g_object_get_data (G_OBJECT (chk1), "utfOptionName");
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const gchar *t2 =
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g_object_get_data (G_OBJECT (chk2), "utfOptionName");
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return g_utf8_collate (t1, t2);
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}
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/* Add a group of options: create title and layout widgets and then
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add widgets for all the options in the group. */
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static void
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xkb_options_add_group (XklConfigRegistry * config_registry,
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XklConfigItem * config_item, GtkBuilder * dialog)
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{
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GtkWidget *align, *vbox, *option_check;
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gboolean allow_multiple_selection =
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GPOINTER_TO_INT (g_object_get_data (G_OBJECT (config_item),
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XCI_PROP_ALLOW_MULTIPLE_SELECTION));
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GSList *expanders_list =
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g_object_get_data (G_OBJECT (dialog), EXPANDERS_PROP);
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gchar *utf_group_name = xci_desc_to_utf8 (config_item);
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gchar *titlemarkup =
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g_strconcat ("<span>", utf_group_name, "</span>", NULL);
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current_expander = gtk_expander_new (titlemarkup);
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gtk_expander_set_use_markup (GTK_EXPANDER (current_expander),
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TRUE);
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g_object_set_data_full (G_OBJECT (current_expander),
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"utfGroupName", utf_group_name, g_free);
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g_object_set_data_full (G_OBJECT (current_expander), "groupId",
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g_strdup (config_item->name), g_free);
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g_free (titlemarkup);
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align = gtk_alignment_new (0, 0, 1, 1);
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gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 12, 12, 0);
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vbox = gtk_vbox_new (TRUE, 6);
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gtk_container_add (GTK_CONTAINER (align), vbox);
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gtk_container_add (GTK_CONTAINER (current_expander), align);
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current_multi_select = (gboolean) allow_multiple_selection;
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current_radio_group = NULL;
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current1st_level_id = config_item->name;
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option_checks_list = NULL;
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xkl_config_registry_foreach_option (config_registry,
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config_item->name,
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(ConfigItemProcessFunc)
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xkb_options_add_option,
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dialog);
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/* sort it */
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option_checks_list =
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g_slist_sort (option_checks_list,
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(GCompareFunc) xkb_option_checks_compare);
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while (option_checks_list) {
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option_check = GTK_WIDGET (option_checks_list->data);
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gtk_box_pack_start (GTK_BOX (vbox), option_check, TRUE,
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TRUE, 0);
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option_checks_list = option_checks_list->next;
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}
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/* free it */
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g_slist_free (option_checks_list);
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option_checks_list = NULL;
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xkb_options_expander_highlight ();
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expanders_list = g_slist_append (expanders_list, current_expander);
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g_object_set_data (G_OBJECT (dialog), EXPANDERS_PROP,
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expanders_list);
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g_signal_connect (current_expander, "focus-in-event",
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G_CALLBACK (option_focused_cb),
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WID ("options_scroll"));
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}
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static gint
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xkb_options_expanders_compare (GtkWidget * expander1,
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GtkWidget * expander2)
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{
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const gchar *t1 =
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g_object_get_data (G_OBJECT (expander1), "utfGroupName");
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const gchar *t2 =
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g_object_get_data (G_OBJECT (expander2), "utfGroupName");
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return g_utf8_collate (t1, t2);
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}
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/* Create widgets to represent the options made available by the backend */
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void
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xkb_options_load_options (GtkBuilder * dialog)
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{
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GtkWidget *opts_vbox = WID ("options_vbox");
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GtkWidget *dialog_vbox = WID ("dialog_vbox");
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GtkWidget *options_scroll = WID ("options_scroll");
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GtkWidget *expander;
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GSList *expanders_list;
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current1st_level_id = NULL;
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current_none_radio = NULL;
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current_multi_select = FALSE;
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current_radio_group = NULL;
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/* fill the list */
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xkl_config_registry_foreach_option_group (config_registry,
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(ConfigItemProcessFunc)
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xkb_options_add_group,
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dialog);
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/* sort it */
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expanders_list =
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g_object_get_data (G_OBJECT (dialog), EXPANDERS_PROP);
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expanders_list =
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g_slist_sort (expanders_list,
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(GCompareFunc) xkb_options_expanders_compare);
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g_object_set_data (G_OBJECT (dialog), EXPANDERS_PROP,
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expanders_list);
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while (expanders_list) {
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expander = GTK_WIDGET (expanders_list->data);
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gtk_box_pack_start (GTK_BOX (opts_vbox), expander, FALSE,
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FALSE, 0);
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expanders_list = expanders_list->next;
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}
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/* Somewhere in gtk3 the top vbox in dialog is made non-expandable */
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gtk_box_set_child_packing (GTK_BOX (dialog_vbox), options_scroll,
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TRUE, TRUE, 0, GTK_PACK_START);
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gtk_widget_show_all (dialog_vbox);
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}
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static void
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chooser_response_cb (GtkDialog * dialog, gint response, gpointer data)
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{
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switch (response) {
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case GTK_RESPONSE_DELETE_EVENT:
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case GTK_RESPONSE_CLOSE: {
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/* just cleanup */
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GSList *expanders_list =
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g_object_get_data (G_OBJECT (dialog),
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EXPANDERS_PROP);
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g_object_set_data (G_OBJECT (dialog),
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EXPANDERS_PROP, NULL);
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g_slist_free (expanders_list);
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gtk_widget_destroy (GTK_WIDGET (dialog));
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chooser_dialog = NULL;
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}
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break;
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}
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}
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/* Create popup dialog */
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void
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xkb_options_popup_dialog (GtkBuilder * dialog)
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{
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GtkWidget *chooser;
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chooser_dialog = gtk_builder_new ();
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gtk_builder_add_from_file (chooser_dialog, GNOMECC_UI_DIR
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"/gnome-region-panel-options-dialog.ui",
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NULL);
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chooser = CWID ("xkb_options_dialog");
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gtk_window_set_transient_for (GTK_WINDOW (chooser),
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GTK_WINDOW (gtk_widget_get_toplevel (WID ("region_notebook"))));
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gtk_window_set_modal (GTK_WINDOW (chooser), TRUE);
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xkb_options_load_options (chooser_dialog);
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g_signal_connect (chooser, "response",
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G_CALLBACK (chooser_response_cb), dialog);
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gtk_widget_show (chooser);
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}
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/* Update selected option counters for a group-bound expander */
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static void
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xkb_options_update_option_counters (XklConfigRegistry * config_registry,
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XklConfigItem * config_item)
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{
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gchar *full_option_name =
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g_strdup (gkbd_keyboard_config_merge_items
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(current1st_level_id, config_item->name));
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gboolean current_state =
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xkb_options_is_selected (full_option_name);
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g_free (full_option_name);
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xkb_options_expander_selcounter_add (current_state);
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}
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/* Respond to a change in the xkb gconf settings */
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static void
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xkb_options_update (GSettings * settings, gchar * key, GtkBuilder * dialog)
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{
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if (!strcmp (key, GKBD_KEYBOARD_CONFIG_KEY_OPTIONS)) {
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/* Updating options is handled by gconf notifies for each widget
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This is here to avoid calling it N_OPTIONS times for each gconf
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change. */
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enable_disable_restoring (dialog);
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if (chooser_dialog != NULL) {
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GSList *expanders_list =
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g_object_get_data (G_OBJECT (chooser_dialog),
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EXPANDERS_PROP);
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while (expanders_list) {
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current_expander =
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GTK_WIDGET (expanders_list->data);
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gchar *group_id =
|
|
g_object_get_data (G_OBJECT
|
|
(current_expander),
|
|
"groupId");
|
|
current1st_level_id = group_id;
|
|
xkb_options_expander_selcounter_reset ();
|
|
xkl_config_registry_foreach_option
|
|
(config_registry, group_id,
|
|
(ConfigItemProcessFunc)
|
|
xkb_options_update_option_counters,
|
|
current_expander);
|
|
xkb_options_expander_highlight ();
|
|
expanders_list = expanders_list->next;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
xkb_options_register_conf_listener (GtkBuilder * dialog)
|
|
{
|
|
g_signal_connect (xkb_keyboard_settings, "changed",
|
|
G_CALLBACK (xkb_options_update), dialog);
|
|
}
|