moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 516 insertions, 0 deletions

diff --git a/capplets/keyboard/mate-keyboard-properties-xkbot.c b/capplets/keyboard/mate-keyboard-properties-xkbot.c
new file mode 100644
index 00000000..1436d86a
--- /dev/null
+++ b/capplets/keyboard/mate-keyboard-properties-xkbot.c
@@ -0,0 +1,516 @@
+/* -*- mode: c; style: linux -*- */
+
+/* mate-keyboard-properties-xkbot.c
+ * Copyright (C) 2003-2007 Sergey V. Udaltsov
+ *
+ * Written by: Sergey V. Udaltsov <[email protected]>
+ *             John Spray <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <glib/gi18n.h>
+#include <string.h>
+#include <mateconf/mateconf-client.h>
+
+#include "capplet-util.h"
+
+#include "mate-keyboard-properties-xkb.h"
+
+static GtkBuilder *chooser_dialog = NULL;
+static const char *current1st_level_id = NULL;
+static GSList *option_checks_list = NULL;
+static GtkWidget *current_none_radio = NULL;
+static GtkWidget *current_expander = NULL;
+static gboolean current_multi_select = FALSE;
+static GSList *current_radio_group = NULL;
+
+#define OPTION_ID_PROP "optionID"
+#define SELCOUNTER_PROP "selectionCounter"
+#define MATECONFSTATE_PROP "mateconfState"
+#define EXPANDERS_PROP "expandersList"
+
+GSList *
+xkb_options_get_selected_list (void)
+{
+	GSList *retval;
+
+	retval = mateconf_client_get_list (xkb_mateconf_client,
+					MATEKBD_KEYBOARD_CONFIG_KEY_OPTIONS,
+					MATECONF_VALUE_STRING, NULL);
+	if (retval == NULL) {
+		GSList *cur_option;
+
+		for (cur_option = initial_config.options;
+		     cur_option != NULL; cur_option = cur_option->next)
+			retval =
+			    g_slist_prepend (retval,
+					     g_strdup (cur_option->data));
+
+		retval = g_slist_reverse (retval);
+	}
+
+	return retval;
+}
+
+/* Returns the selection counter of the expander (static current_expander) */
+static int
+xkb_options_expander_selcounter_get (void)
+{
+	return
+	    GPOINTER_TO_INT (g_object_get_data
+			     (G_OBJECT (current_expander),
+			      SELCOUNTER_PROP));
+}
+
+/* Increments the selection counter in the expander (static current_expander)
+   using the value (can be 0)*/
+static void
+xkb_options_expander_selcounter_add (int value)
+{
+	g_object_set_data (G_OBJECT (current_expander), SELCOUNTER_PROP,
+			   GINT_TO_POINTER
+			   (xkb_options_expander_selcounter_get ()
+			    + value));
+}
+
+/* Resets the seletion counter in the expander (static current_expander) */
+static void
+xkb_options_expander_selcounter_reset (void)
+{
+	g_object_set_data (G_OBJECT (current_expander), SELCOUNTER_PROP,
+			   GINT_TO_POINTER (0));
+}
+
+/* Formats the expander (static current_expander), based on the selection counter */
+static void
+xkb_options_expander_highlight (void)
+{
+	char *utf_group_name =
+	    g_object_get_data (G_OBJECT (current_expander),
+			       "utfGroupName");
+	int counter = xkb_options_expander_selcounter_get ();
+	if (utf_group_name != NULL) {
+		gchar *titlemarkup =
+		    g_strconcat (counter >
+				 0 ? "<span weight=\"bold\">" : "<span>",
+				 utf_group_name, "</span>", NULL);
+		gtk_expander_set_label (GTK_EXPANDER (current_expander),
+					titlemarkup);
+		g_free (titlemarkup);
+	}
+}
+
+/* Add optionname from the backend's selection list if it's not
+   already in there. */
+static void
+xkb_options_select (gchar * optionname)
+{
+	gboolean already_selected = FALSE;
+	GSList *options_list = xkb_options_get_selected_list ();
+	GSList *option;
+	for (option = options_list; option != NULL; option = option->next)
+		if (!strcmp ((gchar *) option->data, optionname))
+			already_selected = TRUE;
+
+	if (!already_selected)
+		options_list =
+		    g_slist_append (options_list, g_strdup (optionname));
+	xkb_options_set_selected_list (options_list);
+
+	clear_xkb_elements_list (options_list);
+}
+
+/* Remove all occurences of optionname from the backend's selection list */
+static void
+xkb_options_deselect (gchar * optionname)
+{
+	GSList *options_list = xkb_options_get_selected_list ();
+	GSList *nodetmp;
+	GSList *option = options_list;
+	while (option != NULL) {
+		gchar *id = (char *) option->data;
+		if (!strcmp (id, optionname)) {
+			nodetmp = option->next;
+			g_free (id);
+			options_list =
+			    g_slist_remove_link (options_list, option);
+			g_slist_free_1 (option);
+			option = nodetmp;
+		} else
+			option = option->next;
+	}
+	xkb_options_set_selected_list (options_list);
+	clear_xkb_elements_list (options_list);
+}
+
+/* Return true if optionname describes a string already in the backend's
+   list of selected options */
+static gboolean
+xkb_options_is_selected (gchar * optionname)
+{
+	gboolean retval = FALSE;
+	GSList *options_list = xkb_options_get_selected_list ();
+	GSList *option;
+	for (option = options_list; option != NULL; option = option->next) {
+		if (!strcmp ((gchar *) option->data, optionname))
+			retval = TRUE;
+	}
+	clear_xkb_elements_list (options_list);
+	return retval;
+}
+
+/* Make sure selected options stay visible when navigating with the keyboard */
+static gboolean
+option_focused_cb (GtkWidget * widget, GdkEventFocus * event,
+		   gpointer data)
+{
+	GtkScrolledWindow *win = GTK_SCROLLED_WINDOW (data);
+	GtkAllocation alloc;
+	GtkAdjustment *adj;
+
+	gtk_widget_get_allocation (widget, &alloc);
+	adj = gtk_scrolled_window_get_vadjustment (win);
+	gtk_adjustment_clamp_page (adj, alloc.y,
+				   alloc.y + alloc.height);
+
+	return FALSE;
+}
+
+/* Update xkb backend to reflect the new UI state */
+static void
+option_toggled_cb (GtkWidget * checkbutton, gpointer data)
+{
+	gpointer optionID =
+	    g_object_get_data (G_OBJECT (checkbutton), OPTION_ID_PROP);
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbutton)))
+		xkb_options_select (optionID);
+	else
+		xkb_options_deselect (optionID);
+}
+
+/* Add a check_button or radio_button to control a particular option
+   This function makes particular use of the current... variables at
+   the top of this file. */
+static void
+xkb_options_add_option (XklConfigRegistry * config_registry,
+			XklConfigItem * config_item, GtkBuilder * dialog)
+{
+	GtkWidget *option_check;
+	gchar *utf_option_name = xci_desc_to_utf8 (config_item);
+	/* Copy this out because we'll load it into the widget with set_data */
+	gchar *full_option_name =
+	    g_strdup (matekbd_keyboard_config_merge_items
+		      (current1st_level_id, config_item->name));
+	gboolean initial_state;
+
+	if (current_multi_select)
+		option_check =
+		    gtk_check_button_new_with_label (utf_option_name);
+	else {
+		if (current_radio_group == NULL) {
+			/* The first radio in a group is to be "Default", meaning none of
+			   the below options are to be included in the selected list.
+			   This is a HIG-compliant alternative to allowing no
+			   selection in the group. */
+			option_check =
+			    gtk_radio_button_new_with_label
+			    (current_radio_group, _("Default"));
+			gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
+						      (option_check),
+						      TRUE);
+			/* Make option name underscore -
+			   to enforce its first position in the list */
+			g_object_set_data_full (G_OBJECT (option_check),
+						"utfOptionName",
+						g_strdup (" "), g_free);
+			option_checks_list =
+			    g_slist_append (option_checks_list,
+					    option_check);
+			current_radio_group =
+			    gtk_radio_button_get_group (GTK_RADIO_BUTTON
+							(option_check));
+			current_none_radio = option_check;
+
+			g_signal_connect (option_check, "focus-in-event",
+					  G_CALLBACK (option_focused_cb),
+					  WID ("options_scroll"));
+		}
+		option_check =
+		    gtk_radio_button_new_with_label (current_radio_group,
+						     utf_option_name);
+		current_radio_group =
+		    gtk_radio_button_get_group (GTK_RADIO_BUTTON
+						(option_check));
+		g_object_set_data (G_OBJECT (option_check), "NoneRadio",
+				   current_none_radio);
+	}
+
+	initial_state = xkb_options_is_selected (full_option_name);
+
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (option_check),
+				      initial_state);
+
+	g_object_set_data_full (G_OBJECT (option_check), OPTION_ID_PROP,
+				full_option_name, g_free);
+	g_object_set_data_full (G_OBJECT (option_check), "utfOptionName",
+				utf_option_name, g_free);
+
+	g_signal_connect (option_check, "toggled",
+			  G_CALLBACK (option_toggled_cb), NULL);
+
+	option_checks_list =
+	    g_slist_append (option_checks_list, option_check);
+
+	g_signal_connect (option_check, "focus-in-event",
+			  G_CALLBACK (option_focused_cb),
+			  WID ("options_scroll"));
+
+	xkb_options_expander_selcounter_add (initial_state);
+	g_object_set_data (G_OBJECT (option_check), MATECONFSTATE_PROP,
+			   GINT_TO_POINTER (initial_state));
+}
+
+static gint
+xkb_option_checks_compare (GtkWidget * chk1, GtkWidget * chk2)
+{
+	const gchar *t1 =
+	    g_object_get_data (G_OBJECT (chk1), "utfOptionName");
+	const gchar *t2 =
+	    g_object_get_data (G_OBJECT (chk2), "utfOptionName");
+	return g_utf8_collate (t1, t2);
+}
+
+/* Add a group of options: create title and layout widgets and then
+   add widgets for all the options in the group. */
+static void
+xkb_options_add_group (XklConfigRegistry * config_registry,
+		       XklConfigItem * config_item, GtkBuilder * dialog)
+{
+	GtkWidget *align, *vbox, *option_check;
+	gboolean allow_multiple_selection =
+	    GPOINTER_TO_INT (g_object_get_data (G_OBJECT (config_item),
+						XCI_PROP_ALLOW_MULTIPLE_SELECTION));
+
+	GSList *expanders_list =
+	    g_object_get_data (G_OBJECT (dialog), EXPANDERS_PROP);
+
+	gchar *utf_group_name = xci_desc_to_utf8 (config_item);
+	gchar *titlemarkup =
+	    g_strconcat ("<span>", utf_group_name, "</span>", NULL);
+
+	current_expander = gtk_expander_new (titlemarkup);
+	gtk_expander_set_use_markup (GTK_EXPANDER (current_expander),
+				     TRUE);
+	g_object_set_data_full (G_OBJECT (current_expander),
+				"utfGroupName", utf_group_name, g_free);
+	g_object_set_data_full (G_OBJECT (current_expander), "groupId",
+				g_strdup (config_item->name), g_free);
+
+	g_free (titlemarkup);
+	align = gtk_alignment_new (0, 0, 1, 1);
+	gtk_alignment_set_padding (GTK_ALIGNMENT (align), 6, 12, 12, 0);
+	vbox = gtk_vbox_new (TRUE, 6);
+	gtk_container_add (GTK_CONTAINER (align), vbox);
+	gtk_container_add (GTK_CONTAINER (current_expander), align);
+
+	current_multi_select = (gboolean) allow_multiple_selection;
+	current_radio_group = NULL;
+	current1st_level_id = config_item->name;
+
+	option_checks_list = NULL;
+
+	xkl_config_registry_foreach_option (config_registry,
+					    config_item->name,
+					    (ConfigItemProcessFunc)
+					    xkb_options_add_option,
+					    dialog);
+	/* sort it */
+	option_checks_list =
+	    g_slist_sort (option_checks_list,
+			  (GCompareFunc) xkb_option_checks_compare);
+	while (option_checks_list) {
+		option_check = GTK_WIDGET (option_checks_list->data);
+		gtk_box_pack_start (GTK_BOX (vbox), option_check, TRUE, TRUE, 0);
+		option_checks_list = option_checks_list->next;
+	}
+	/* free it */
+	g_slist_free (option_checks_list);
+	option_checks_list = NULL;
+
+	xkb_options_expander_highlight ();
+
+	expanders_list = g_slist_append (expanders_list, current_expander);
+	g_object_set_data (G_OBJECT (dialog), EXPANDERS_PROP,
+			   expanders_list);
+
+	g_signal_connect (current_expander, "focus-in-event",
+			  G_CALLBACK (option_focused_cb),
+			  WID ("options_scroll"));
+}
+
+static gint
+xkb_options_expanders_compare (GtkWidget * expander1,
+			       GtkWidget * expander2)
+{
+	const gchar *t1 =
+	    g_object_get_data (G_OBJECT (expander1), "utfGroupName");
+	const gchar *t2 =
+	    g_object_get_data (G_OBJECT (expander2), "utfGroupName");
+	return g_utf8_collate (t1, t2);
+}
+
+/* Create widgets to represent the options made available by the backend */
+void
+xkb_options_load_options (GtkBuilder * dialog)
+{
+	GtkWidget *opts_vbox = WID ("options_vbox");
+	GSList *expanders_list;
+	GtkWidget *expander;
+
+	current1st_level_id = NULL;
+	current_none_radio = NULL;
+	current_multi_select = FALSE;
+	current_radio_group = NULL;
+
+	/* fill the list */
+	xkl_config_registry_foreach_option_group (config_registry,
+						  (ConfigItemProcessFunc)
+						  xkb_options_add_group,
+						  dialog);
+	/* sort it */
+	expanders_list =
+	    g_object_get_data (G_OBJECT (dialog), EXPANDERS_PROP);
+	expanders_list =
+	    g_slist_sort (expanders_list,
+			  (GCompareFunc) xkb_options_expanders_compare);
+	g_object_set_data (G_OBJECT (dialog), EXPANDERS_PROP,
+			   expanders_list);
+	while (expanders_list) {
+		expander = GTK_WIDGET (expanders_list->data);
+		gtk_box_pack_start (GTK_BOX (opts_vbox), expander, FALSE,
+				    FALSE, 0);
+		expanders_list = expanders_list->next;
+	}
+
+	gtk_widget_show_all (opts_vbox);
+}
+
+static void
+chooser_response_cb (GtkDialog * dialog, gint response, gpointer data)
+{
+	switch (response) {
+	case GTK_RESPONSE_HELP:
+		capplet_help (GTK_WINDOW (dialog),
+			      "prefs-keyboard-layoutoptions");
+		break;
+	case GTK_RESPONSE_CLOSE:{
+			/* just cleanup */
+			GSList *expanders_list =
+			    g_object_get_data (G_OBJECT (dialog),
+					       EXPANDERS_PROP);
+			g_object_set_data (G_OBJECT (dialog),
+					   EXPANDERS_PROP, NULL);
+			g_slist_free (expanders_list);
+
+			gtk_widget_destroy (GTK_WIDGET (dialog));
+			chooser_dialog = NULL;
+		}
+		break;
+	}
+}
+
+/* Create popup dialog */
+void
+xkb_options_popup_dialog (GtkBuilder * dialog)
+{
+	GtkWidget *chooser;
+
+	chooser_dialog = gtk_builder_new ();
+    gtk_builder_add_from_file (chooser_dialog, MATECC_UI_DIR
+                               "/mate-keyboard-properties-options-dialog.ui",
+                               NULL);
+
+	chooser = CWID ("xkb_options_dialog");
+	gtk_window_set_transient_for (GTK_WINDOW (chooser),
+				      GTK_WINDOW (WID
+						  ("keyboard_dialog")));
+	xkb_options_load_options (chooser_dialog);
+
+	g_signal_connect (chooser, "response",
+			  G_CALLBACK (chooser_response_cb), dialog);
+
+	gtk_dialog_run (GTK_DIALOG (chooser));
+}
+
+/* Update selected option counters for a group-bound expander */
+static void
+xkb_options_update_option_counters (XklConfigRegistry * config_registry,
+				    XklConfigItem * config_item)
+{
+	gchar *full_option_name =
+	    g_strdup (matekbd_keyboard_config_merge_items
+		      (current1st_level_id, config_item->name));
+	gboolean current_state =
+	    xkb_options_is_selected (full_option_name);
+	xkb_options_expander_selcounter_add (current_state);
+}
+
+/* Respond to a change in the xkb mateconf settings */
+static void
+xkb_options_update (MateConfClient * client,
+		    guint cnxn_id, MateConfEntry * entry, GtkBuilder * dialog)
+{
+	/* Updating options is handled by mateconf notifies for each widget
+	   This is here to avoid calling it N_OPTIONS times for each mateconf
+	   change. */
+	enable_disable_restoring (dialog);
+
+	if (chooser_dialog != NULL) {
+		GSList *expanders_list =
+		    g_object_get_data (G_OBJECT (chooser_dialog),
+				       EXPANDERS_PROP);
+		while (expanders_list) {
+			current_expander =
+			    GTK_WIDGET (expanders_list->data);
+			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_mateconf_listener (GtkBuilder * dialog)
+{
+	mateconf_client_notify_add (xkb_mateconf_client,
+				 MATEKBD_KEYBOARD_CONFIG_KEY_OPTIONS,
+				 (MateConfClientNotifyFunc)
+				 xkb_options_update, dialog, NULL, NULL);
+}