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|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2001 Udaltsoft
*
* Written by Sergey V. Oudaltsov <svu@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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "config.h"
#include <string.h>
#include <time.h>
#include <glib/gi18n.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include <gio/gio.h>
#include <libmatekbd/matekbd-status.h>
#include <libmatekbd/matekbd-keyboard-drawing.h>
#include <libmatekbd/matekbd-desktop-config.h>
#include <libmatekbd/matekbd-keyboard-config.h>
#include <libmatekbd/matekbd-util.h>
#include "msd-keyboard-xkb.h"
#include "delayed-dialog.h"
#include "mate-settings-profile.h"
#define GTK_RESPONSE_PRINT 2
#define MATEKBD_DESKTOP_SCHEMA "org.mate.peripherals-keyboard-xkb.general"
#define MATEKBD_KBD_SCHEMA "org.mate.peripherals-keyboard-xkb.kbd"
#define KNOWN_FILES_KEY "known-file-list"
#define DISABLE_INDICATOR_KEY "disable-indicator"
#define DUPLICATE_LEDS_KEY "duplicate-leds"
static MsdKeyboardManager* manager = NULL;
static GSettings* settings_desktop;
static GSettings* settings_kbd;
static XklEngine* xkl_engine;
static XklConfigRegistry* xkl_registry = NULL;
static MatekbdDesktopConfig current_desktop_config;
static MatekbdKeyboardConfig current_kbd_config;
/* never terminated */
static MatekbdKeyboardConfig initial_sys_kbd_config;
static gboolean inited_ok = FALSE;
static PostActivationCallback pa_callback = NULL;
static void *pa_callback_user_data = NULL;
static GtkStatusIcon* icon = NULL;
static GHashTable* preview_dialogs = NULL;
static Atom caps_lock;
static Atom num_lock;
static Atom scroll_lock;
static GtkStatusIcon* indicator_icons[3];
static const gchar* indicator_on_icon_names[] = {
"kbd-scrolllock-on",
"kbd-numlock-on",
"kbd-capslock-on"
};
static const gchar* indicator_off_icon_names[] = {
"kbd-scrolllock-off",
"kbd-numlock-off",
"kbd-capslock-off"
};
static void
g_strv_behead (gchar **arr)
{
if (arr == NULL || *arr == NULL)
return;
g_free (*arr);
memmove (arr, arr + 1, g_strv_length (arr) * sizeof (gchar *));
}
static void
activation_error (void)
{
char const *vendor = ServerVendor (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
int release = VendorRelease (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
GtkWidget *dialog;
/* VNC viewers will not work, do not barrage them with warnings */
if (NULL != vendor && NULL != strstr (vendor, "VNC"))
return;
dialog = gtk_message_dialog_new_with_markup (NULL,
0,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
_
("Error activating XKB configuration.\n"
"It can happen under various circumstances:\n"
" • a bug in libxklavier library\n"
" • a bug in X server (xkbcomp, xmodmap utilities)\n"
" • X server with incompatible libxkbfile implementation\n\n"
"X server version data:\n%s\n%d\n"
"If you report this situation as a bug, please include:\n"
" • The result of <b>%s</b>\n"
" • The result of <b>%s</b>"),
vendor,
release,
"xprop -root | grep XKB",
"gsettings list-keys org.mate.peripherals-keyboard-xkb.kbd");
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
msd_delayed_show_dialog (dialog);
}
static void
apply_desktop_settings (void)
{
gboolean show_leds;
int i;
if (!inited_ok)
return;
msd_keyboard_manager_apply_settings (manager);
matekbd_desktop_config_load_from_gsettings (¤t_desktop_config);
/* again, probably it would be nice to compare things
before activating them */
matekbd_desktop_config_activate (¤t_desktop_config);
show_leds = g_settings_get_boolean (settings_desktop, DUPLICATE_LEDS_KEY);
for (i = sizeof (indicator_icons) / sizeof (indicator_icons[0]);
--i >= 0;) {
gtk_status_icon_set_visible (indicator_icons[i],
show_leds);
}
}
static void
apply_desktop_settings_cb (GSettings *settings, gchar *key, gpointer user_data)
{
apply_desktop_settings ();
}
static void
popup_menu_launch_capplet ()
{
GAppInfo *info;
GdkAppLaunchContext *context;
GError *error = NULL;
info = g_app_info_create_from_commandline ("mate-keyboard-properties", NULL, 0, &error);
if (info != NULL) {
# if GTK_CHECK_VERSION (3, 0, 0)
context = gdk_display_get_app_launch_context (gdk_display_get_default ());
# else
context = gdk_app_launch_context_new ();
# endif
g_app_info_launch (info, NULL,
G_APP_LAUNCH_CONTEXT (context), &error);
g_object_unref (info);
g_object_unref (context);
}
if (error != NULL) {
g_warning
("Could not execute keyboard properties capplet: [%s]\n",
error->message);
g_error_free (error);
}
}
static void
show_layout_destroy (GtkWidget * dialog, gint group)
{
g_hash_table_remove (preview_dialogs, GINT_TO_POINTER (group));
}
static void
popup_menu_show_layout ()
{
GtkWidget *dialog;
XklEngine *engine = xkl_engine_get_instance (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()));
XklState *xkl_state = xkl_engine_get_current_state (engine);
gpointer p = g_hash_table_lookup (preview_dialogs,
GINT_TO_POINTER
(xkl_state->group));
gchar **group_names = matekbd_status_get_group_names ();
if (xkl_state->group < 0
|| xkl_state->group >= g_strv_length (group_names)) {
return;
}
if (p != NULL) {
/* existing window */
gtk_window_present (GTK_WINDOW (p));
return;
}
dialog =
matekbd_keyboard_drawing_new_dialog (xkl_state->group,
group_names
[xkl_state->group]);
# if GTK_CHECK_VERSION(3,0,0)
g_signal_connect (dialog, "destroy",
# else
g_signal_connect (GTK_OBJECT (dialog), "destroy",
#endif
G_CALLBACK (show_layout_destroy),
GINT_TO_POINTER (xkl_state->group));
g_hash_table_insert (preview_dialogs,
GINT_TO_POINTER (xkl_state->group), dialog);
}
static void
popup_menu_set_group (GtkMenuItem * item, gpointer param)
{
gint group_number = GPOINTER_TO_INT (param);
XklEngine *engine = matekbd_status_get_xkl_engine ();
XklState st;
Window cur;
st.group = group_number;
xkl_engine_allow_one_switch_to_secondary_group (engine);
cur = xkl_engine_get_current_window (engine);
if (cur != (Window) NULL) {
xkl_debug (150, "Enforcing the state %d for window %lx\n",
st.group, cur);
xkl_engine_save_state (engine,
xkl_engine_get_current_window
(engine), &st);
/* XSetInputFocus(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), cur, RevertToNone, CurrentTime );*/
} else {
xkl_debug (150,
"??? Enforcing the state %d for unknown window\n",
st.group);
/* strange situation - bad things can happen */
}
xkl_engine_lock_group (engine, st.group);
}
static void
status_icon_popup_menu_cb (GtkStatusIcon * icon, guint button, guint time)
{
GtkMenu *popup_menu = GTK_MENU (gtk_menu_new ());
GtkMenu *groups_menu = GTK_MENU (gtk_menu_new ());
int i = 0;
gchar **current_name = matekbd_status_get_group_names ();
GtkWidget *item = gtk_menu_item_new_with_mnemonic (_("_Layouts"));
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), item);
gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
GTK_WIDGET (groups_menu));
item =
gtk_menu_item_new_with_mnemonic (_("Keyboard _Preferences"));
gtk_widget_show (item);
g_signal_connect (item, "activate", popup_menu_launch_capplet,
NULL);
gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), item);
item = gtk_menu_item_new_with_mnemonic (_("Show _Current Layout"));
gtk_widget_show (item);
g_signal_connect (item, "activate", popup_menu_show_layout, NULL);
gtk_menu_shell_append (GTK_MENU_SHELL (popup_menu), item);
for (i = 0; *current_name; i++, current_name++) {
gchar *image_file = matekbd_status_get_image_filename (i);
if (image_file == NULL) {
item =
gtk_menu_item_new_with_label (*current_name);
} else {
GdkPixbuf *pixbuf =
gdk_pixbuf_new_from_file_at_size (image_file,
24, 24,
NULL);
GtkWidget *img =
gtk_image_new_from_pixbuf (pixbuf);
item =
gtk_image_menu_item_new_with_label
(*current_name);
gtk_widget_show (img);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM
(item), img);
gtk_image_menu_item_set_always_show_image
(GTK_IMAGE_MENU_ITEM (item), TRUE);
g_free (image_file);
}
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (groups_menu), item);
g_signal_connect (item, "activate",
G_CALLBACK (popup_menu_set_group),
GINT_TO_POINTER (i));
}
gtk_menu_popup (popup_menu, NULL, NULL,
gtk_status_icon_position_menu,
(gpointer) icon, button, time);
}
static void
show_hide_icon ()
{
if (g_strv_length (current_kbd_config.layouts_variants) > 1) {
if (icon == NULL) {
gboolean disable = g_settings_get_boolean (settings_desktop, DISABLE_INDICATOR_KEY);
if (disable)
return;
xkl_debug (150, "Creating new icon\n");
icon = matekbd_status_new ();
gtk_status_icon_set_name (icon, "keyboard");
g_signal_connect (icon, "popup-menu",
G_CALLBACK
(status_icon_popup_menu_cb),
NULL);
}
} else {
if (icon != NULL) {
xkl_debug (150, "Destroying icon\n");
g_object_unref (icon);
icon = NULL;
}
}
}
static gboolean
try_activating_xkb_config_if_new (MatekbdKeyboardConfig *
current_sys_kbd_config)
{
/* Activate - only if different! */
if (!matekbd_keyboard_config_equals
(¤t_kbd_config, current_sys_kbd_config)) {
if (matekbd_keyboard_config_activate (¤t_kbd_config)) {
if (pa_callback != NULL) {
(*pa_callback) (pa_callback_user_data);
return TRUE;
}
} else {
return FALSE;
}
}
return TRUE;
}
static gboolean
filter_xkb_config (void)
{
XklConfigItem *item;
gchar *lname;
gchar *vname;
gchar **lv;
gboolean any_change = FALSE;
xkl_debug (100, "Filtering configuration against the registry\n");
if (!xkl_registry) {
xkl_registry =
xkl_config_registry_get_instance (xkl_engine);
/* load all materials, unconditionally! */
if (!xkl_config_registry_load (xkl_registry, TRUE)) {
g_object_unref (xkl_registry);
xkl_registry = NULL;
return FALSE;
}
}
lv = current_kbd_config.layouts_variants;
item = xkl_config_item_new ();
while (*lv) {
xkl_debug (100, "Checking [%s]\n", *lv);
if (matekbd_keyboard_config_split_items (*lv, &lname, &vname)) {
gboolean should_be_dropped = FALSE;
g_snprintf (item->name, sizeof (item->name), "%s",
lname);
if (!xkl_config_registry_find_layout
(xkl_registry, item)) {
xkl_debug (100, "Bad layout [%s]\n",
lname);
should_be_dropped = TRUE;
} else if (vname) {
g_snprintf (item->name,
sizeof (item->name), "%s",
vname);
if (!xkl_config_registry_find_variant
(xkl_registry, lname, item)) {
xkl_debug (100,
"Bad variant [%s(%s)]\n",
lname, vname);
should_be_dropped = TRUE;
}
}
if (should_be_dropped) {
g_strv_behead (lv);
any_change = TRUE;
continue;
}
}
lv++;
}
g_object_unref (item);
return any_change;
}
static void
apply_xkb_settings (void)
{
MatekbdKeyboardConfig current_sys_kbd_config;
if (!inited_ok)
return;
matekbd_keyboard_config_init (¤t_sys_kbd_config, xkl_engine);
matekbd_keyboard_config_load_from_gsettings (¤t_kbd_config,
&initial_sys_kbd_config);
matekbd_keyboard_config_load_from_x_current (¤t_sys_kbd_config,
NULL);
if (!try_activating_xkb_config_if_new (¤t_sys_kbd_config)) {
if (filter_xkb_config ()) {
if (!try_activating_xkb_config_if_new
(¤t_sys_kbd_config)) {
g_warning
("Could not activate the filtered XKB configuration");
activation_error ();
}
} else {
g_warning
("Could not activate the XKB configuration");
activation_error ();
}
} else
xkl_debug (100,
"Actual KBD configuration was not changed: redundant notification\n");
matekbd_keyboard_config_term (¤t_sys_kbd_config);
show_hide_icon ();
}
static void
apply_xkb_settings_cb (GSettings *settings, gchar *key, gpointer user_data)
{
apply_xkb_settings ();
}
static void
msd_keyboard_xkb_analyze_sysconfig (void)
{
if (!inited_ok)
return;
matekbd_keyboard_config_init (&initial_sys_kbd_config, xkl_engine);
matekbd_keyboard_config_load_from_x_initial (&initial_sys_kbd_config,
NULL);
}
void
msd_keyboard_xkb_set_post_activation_callback (PostActivationCallback fun,
void *user_data)
{
pa_callback = fun;
pa_callback_user_data = user_data;
}
static GdkFilterReturn
msd_keyboard_xkb_evt_filter (GdkXEvent * xev, GdkEvent * event)
{
XEvent *xevent = (XEvent *) xev;
xkl_engine_filter_events (xkl_engine, xevent);
return GDK_FILTER_CONTINUE;
}
/* When new Keyboard is plugged in - reload the settings */
static void
msd_keyboard_new_device (XklEngine * engine)
{
apply_desktop_settings ();
apply_xkb_settings ();
}
static void
msd_keyboard_update_indicator_icons ()
{
Bool state;
int new_state, i;
Display *display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
XkbGetNamedIndicator (display, caps_lock, NULL, &state,
NULL, NULL);
new_state = state ? 1 : 0;
XkbGetNamedIndicator (display, num_lock, NULL, &state, NULL, NULL);
new_state <<= 1;
new_state |= (state ? 1 : 0);
XkbGetNamedIndicator (display, scroll_lock, NULL, &state,
NULL, NULL);
new_state <<= 1;
new_state |= (state ? 1 : 0);
xkl_debug (160, "Indicators state: %d\n", new_state);
for (i = sizeof (indicator_icons) / sizeof (indicator_icons[0]);
--i >= 0;) {
gtk_status_icon_set_from_icon_name (indicator_icons[i],
(new_state & (1 << i))
?
indicator_on_icon_names
[i] :
indicator_off_icon_names
[i]);
}
}
static void
msd_keyboard_state_changed (XklEngine * engine, XklEngineStateChange type,
gint new_group, gboolean restore)
{
xkl_debug (160,
"State changed: type %d, new group: %d, restore: %d.\n",
type, new_group, restore);
if (type == INDICATORS_CHANGED) {
msd_keyboard_update_indicator_icons ();
}
}
void
msd_keyboard_xkb_init (MsdKeyboardManager * kbd_manager)
{
int i;
Display *display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
mate_settings_profile_start (NULL);
gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
DATADIR G_DIR_SEPARATOR_S
"icons");
caps_lock = XInternAtom (display, "Caps Lock", False);
num_lock = XInternAtom (display, "Num Lock", False);
scroll_lock = XInternAtom (display, "Scroll Lock", False);
for (i = sizeof (indicator_icons) / sizeof (indicator_icons[0]);
--i >= 0;) {
indicator_icons[i] =
gtk_status_icon_new_from_icon_name
(indicator_off_icon_names[i]);
}
msd_keyboard_update_indicator_icons ();
manager = kbd_manager;
mate_settings_profile_start ("xkl_engine_get_instance");
xkl_engine = xkl_engine_get_instance (display);
mate_settings_profile_end ("xkl_engine_get_instance");
if (xkl_engine) {
inited_ok = TRUE;
settings_desktop = g_settings_new (MATEKBD_DESKTOP_SCHEMA);
settings_kbd = g_settings_new (MATEKBD_KBD_SCHEMA);
matekbd_desktop_config_init (¤t_desktop_config,
xkl_engine);
matekbd_keyboard_config_init (¤t_kbd_config,
xkl_engine);
xkl_engine_backup_names_prop (xkl_engine);
msd_keyboard_xkb_analyze_sysconfig ();
g_signal_connect (settings_desktop, "changed", G_CALLBACK(apply_desktop_settings_cb), NULL);
g_signal_connect (settings_kbd, "changed", G_CALLBACK(apply_xkb_settings_cb), NULL);
gdk_window_add_filter (NULL, (GdkFilterFunc)
msd_keyboard_xkb_evt_filter, NULL);
if (xkl_engine_get_features (xkl_engine) &
XKLF_DEVICE_DISCOVERY)
g_signal_connect (xkl_engine, "X-new-device",
G_CALLBACK
(msd_keyboard_new_device), NULL);
g_signal_connect (xkl_engine, "X-state-changed",
G_CALLBACK
(msd_keyboard_state_changed), NULL);
mate_settings_profile_start ("xkl_engine_start_listen");
xkl_engine_start_listen (xkl_engine,
XKLL_MANAGE_LAYOUTS |
XKLL_MANAGE_WINDOW_STATES);
mate_settings_profile_end ("xkl_engine_start_listen");
mate_settings_profile_start ("apply_desktop_settings");
apply_desktop_settings ();
mate_settings_profile_end ("apply_desktop_settings");
mate_settings_profile_start ("apply_xkb_settings");
apply_xkb_settings ();
mate_settings_profile_end ("apply_xkb_settings");
}
preview_dialogs = g_hash_table_new (g_direct_hash, g_direct_equal);
mate_settings_profile_end (NULL);
}
void
msd_keyboard_xkb_shutdown (void)
{
int i;
pa_callback = NULL;
pa_callback_user_data = NULL;
manager = NULL;
for (i = sizeof (indicator_icons) / sizeof (indicator_icons[0]);
--i >= 0;) {
g_object_unref (G_OBJECT (indicator_icons[i]));
indicator_icons[i] = NULL;
}
g_hash_table_destroy (preview_dialogs);
if (!inited_ok)
return;
xkl_engine_stop_listen (xkl_engine,
XKLL_MANAGE_LAYOUTS |
XKLL_MANAGE_WINDOW_STATES);
gdk_window_remove_filter (NULL, (GdkFilterFunc)
msd_keyboard_xkb_evt_filter, NULL);
if (settings_desktop != NULL) {
g_object_unref (settings_desktop);
}
if (settings_kbd != NULL) {
g_object_unref (settings_kbd);
}
if (xkl_registry) {
g_object_unref (xkl_registry);
}
g_object_unref (xkl_engine);
xkl_engine = NULL;
inited_ok = FALSE;
}
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