gnome-control-center/panels/region/gnome-region-panel-xkbot.c

514 lines
15 KiB
C

/* gnome-region-panel-xkbot.c
* Copyright (C) 2003-2007 Sergey V. Udaltsov
*
* Written by: Sergey V. Udaltsov <svu@gnome.org>
* John Spray <spray_john@users.sourceforge.net>
*
* 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 "gnome-region-panel-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 GCONFSTATE_PROP "gconfState"
#define EXPANDERS_PROP "expandersList"
gchar **
xkb_options_get_selected_list (void)
{
gchar **retval;
retval =
g_settings_get_strv (xkb_keyboard_settings,
GKBD_KEYBOARD_CONFIG_KEY_OPTIONS);
if (retval == NULL) {
retval = g_strdupv (initial_config.options);
}
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;
gchar **options_list;
guint i;
options_list = xkb_options_get_selected_list ();
for (i = 0; options_list != NULL && options_list[i] != NULL; i++) {
gchar *option = options_list[i];
if (!strcmp (option, optionname)) {
already_selected = TRUE;
break;
}
}
if (!already_selected) {
options_list =
gkbd_strv_append (options_list, g_strdup (optionname));
xkb_options_set_selected_list (options_list);
}
g_strfreev (options_list);
}
/* Remove all occurences of optionname from the backend's selection list */
static void
xkb_options_deselect (gchar * optionname)
{
gchar **options_list = xkb_options_get_selected_list ();
if (options_list != NULL) {
gchar **option = options_list;
while (*option != NULL) {
gchar *id = *option;
if (!strcmp (id, optionname)) {
gkbd_strv_behead (option);
} else
option++;
}
xkb_options_set_selected_list (options_list);
}
g_strfreev (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;
gchar **options_list = xkb_options_get_selected_list ();
if (options_list != NULL) {
gchar **option = options_list;
while (*option != NULL) {
if (!strcmp (*option, optionname)) {
retval = TRUE;
break;
}
option++;
}
}
g_strfreev (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 (gkbd_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), GCONFSTATE_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");
GtkWidget *dialog_vbox = WID ("dialog_vbox");
GtkWidget *options_scroll = WID ("options_scroll");
GtkWidget *expander;
GSList *expanders_list;
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;
}
/* Somewhere in gtk3 the top vbox in dialog is made non-expandable */
gtk_box_set_child_packing (GTK_BOX (dialog_vbox), options_scroll,
TRUE, TRUE, 0, GTK_PACK_START);
gtk_widget_show_all (dialog_vbox);
}
static void
chooser_response_cb (GtkDialog * dialog, gint response, gpointer data)
{
switch (response) {
case GTK_RESPONSE_DELETE_EVENT:
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, GNOMECC_UI_DIR
"/gnome-region-panel-options-dialog.ui",
NULL);
chooser = CWID ("xkb_options_dialog");
gtk_window_set_transient_for (GTK_WINDOW (chooser),
GTK_WINDOW (gtk_widget_get_toplevel (WID ("region_notebook"))));
gtk_window_set_modal (GTK_WINDOW (chooser), TRUE);
xkb_options_load_options (chooser_dialog);
g_signal_connect (chooser, "response",
G_CALLBACK (chooser_response_cb), dialog);
gtk_widget_show (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 (gkbd_keyboard_config_merge_items
(current1st_level_id, config_item->name));
gboolean current_state =
xkb_options_is_selected (full_option_name);
g_free (full_option_name);
xkb_options_expander_selcounter_add (current_state);
}
/* Respond to a change in the xkb gconf settings */
static void
xkb_options_update (GSettings * settings, gchar * key, GtkBuilder * dialog)
{
if (!strcmp (key, GKBD_KEYBOARD_CONFIG_KEY_OPTIONS)) {
/* Updating options is handled by gconf notifies for each widget
This is here to avoid calling it N_OPTIONS times for each gconf
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_conf_listener (GtkBuilder * dialog)
{
g_signal_connect (xkb_keyboard_settings, "changed",
G_CALLBACK (xkb_options_update), dialog);
}