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gsd-keyboard-manager.c
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gsd-keyboard-manager.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright © 2001 Ximian, Inc.
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
* 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 of the License, 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.
*
*/
#include "config.h"
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <locale.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include <X11/XKBlib.h>
#include <X11/keysym.h>
#include <X11/extensions/XKBrules.h>
#define GNOME_DESKTOP_USE_UNSTABLE_API
#include <libgnome-desktop/gnome-languages.h>
#include <libgnome-desktop/gnome-xkb-info.h>
#ifdef HAVE_IBUS
#include <ibus.h>
#endif
#include "gnome-settings-session.h"
#include "gnome-settings-profile.h"
#include "gsd-keyboard-manager.h"
#include "gsd-input-helper.h"
#include "gsd-enums.h"
#define GSD_KEYBOARD_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSD_TYPE_KEYBOARD_MANAGER, GsdKeyboardManagerPrivate))
#define GSD_KEYBOARD_DIR "org.gnome.settings-daemon.peripherals.keyboard"
#define KEY_REPEAT "repeat"
#define KEY_CLICK "click"
#define KEY_INTERVAL "repeat-interval"
#define KEY_DELAY "delay"
#define KEY_CLICK_VOLUME "click-volume"
#define KEY_REMEMBER_NUMLOCK_STATE "remember-numlock-state"
#define KEY_NUMLOCK_STATE "numlock-state"
#define KEY_BELL_VOLUME "bell-volume"
#define KEY_BELL_PITCH "bell-pitch"
#define KEY_BELL_DURATION "bell-duration"
#define KEY_BELL_MODE "bell-mode"
#define GNOME_DESKTOP_INTERFACE_DIR "org.gnome.desktop.interface"
#define KEY_GTK_IM_MODULE "gtk-im-module"
#define GTK_IM_MODULE_SIMPLE "gtk-im-context-simple"
#define GTK_IM_MODULE_IBUS "ibus"
#define GNOME_DESKTOP_INPUT_SOURCES_DIR "org.gnome.desktop.input-sources"
#define KEY_CURRENT_INPUT_SOURCE "current"
#define KEY_INPUT_SOURCES "sources"
#define KEY_KEYBOARD_OPTIONS "xkb-options"
#define INPUT_SOURCE_TYPE_XKB "xkb"
#define INPUT_SOURCE_TYPE_IBUS "ibus"
#define DEFAULT_LANGUAGE "en_US"
#define DEFAULT_LAYOUT "us"
#define GSD_KEYBOARD_DBUS_NAME "org.gnome.SettingsDaemon.Keyboard"
#define GSD_KEYBOARD_DBUS_PATH "/org/gnome/SettingsDaemon/Keyboard"
struct GsdKeyboardManagerPrivate
{
guint start_idle_id;
GSettings *settings;
GSettings *input_sources_settings;
GSettings *interface_settings;
GnomeXkbInfo *xkb_info;
GDBusProxy *localed;
GCancellable *cancellable;
#ifdef HAVE_IBUS
IBusBus *ibus;
GHashTable *ibus_engines;
GCancellable *ibus_cancellable;
#endif
gint xkb_event_base;
GsdNumLockState old_state;
GdkDeviceManager *device_manager;
guint device_added_id;
guint device_removed_id;
GDBusConnection *dbus_connection;
GDBusNodeInfo *dbus_introspection;
guint dbus_own_name_id;
guint dbus_register_object_id;
GDBusMethodInvocation *invocation;
guint pending_ops;
};
static void gsd_keyboard_manager_class_init (GsdKeyboardManagerClass *klass);
static void gsd_keyboard_manager_init (GsdKeyboardManager *keyboard_manager);
static void gsd_keyboard_manager_finalize (GObject *object);
static gboolean apply_input_sources_settings (GSettings *settings,
gpointer keys,
gint n_keys,
GsdKeyboardManager *manager);
static void set_gtk_im_module (GsdKeyboardManager *manager,
GVariant *sources);
static void maybe_return_from_set_input_source (GsdKeyboardManager *manager);
static void increment_set_input_source_ops (GsdKeyboardManager *manager);
G_DEFINE_TYPE (GsdKeyboardManager, gsd_keyboard_manager, G_TYPE_OBJECT)
static const gchar introspection_xml[] =
"<node>"
" <interface name='org.gnome.SettingsDaemon.Keyboard'>"
" <method name='SetInputSource'>"
" <arg type='u' name='idx' direction='in'/>"
" </method>"
" </interface>"
"</node>";
static gpointer manager_object = NULL;
static void
init_builder_with_sources (GVariantBuilder *builder,
GSettings *settings)
{
const gchar *type;
const gchar *id;
GVariantIter iter;
GVariant *sources;
sources = g_settings_get_value (settings, KEY_INPUT_SOURCES);
g_variant_builder_init (builder, G_VARIANT_TYPE ("a(ss)"));
g_variant_iter_init (&iter, sources);
while (g_variant_iter_next (&iter, "(&s&s)", &type, &id))
g_variant_builder_add (builder, "(ss)", type, id);
g_variant_unref (sources);
}
static gboolean
schema_is_installed (const gchar *name)
{
const gchar * const *schemas;
const gchar * const *s;
schemas = g_settings_list_schemas ();
for (s = schemas; *s; ++s)
if (g_str_equal (*s, name))
return TRUE;
return FALSE;
}
#ifdef HAVE_IBUS
static void
clear_ibus (GsdKeyboardManager *manager)
{
GsdKeyboardManagerPrivate *priv = manager->priv;
g_cancellable_cancel (priv->ibus_cancellable);
g_clear_object (&priv->ibus_cancellable);
g_clear_pointer (&priv->ibus_engines, g_hash_table_destroy);
g_clear_object (&priv->ibus);
}
static void
fetch_ibus_engines_result (GObject *object,
GAsyncResult *result,
GsdKeyboardManager *manager)
{
GsdKeyboardManagerPrivate *priv = manager->priv;
GList *list, *l;
GError *error = NULL;
/* engines shouldn't be there yet */
g_return_if_fail (priv->ibus_engines == NULL);
g_clear_object (&priv->ibus_cancellable);
list = ibus_bus_list_engines_async_finish (priv->ibus,
result,
&error);
if (!list && error) {
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
g_warning ("Couldn't finish IBus request: %s", error->message);
g_error_free (error);
clear_ibus (manager);
return;
}
/* Maps IBus engine ids to engine description objects */
priv->ibus_engines = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref);
for (l = list; l; l = l->next) {
IBusEngineDesc *engine = l->data;
const gchar *engine_id = ibus_engine_desc_get_name (engine);
g_hash_table_replace (priv->ibus_engines, (gpointer)engine_id, engine);
}
g_list_free (list);
apply_input_sources_settings (priv->input_sources_settings, NULL, 0, manager);
}
static void
fetch_ibus_engines (GsdKeyboardManager *manager)
{
GsdKeyboardManagerPrivate *priv = manager->priv;
/* engines shouldn't be there yet */
g_return_if_fail (priv->ibus_engines == NULL);
g_return_if_fail (priv->ibus_cancellable == NULL);
priv->ibus_cancellable = g_cancellable_new ();
ibus_bus_list_engines_async (priv->ibus,
-1,
priv->ibus_cancellable,
(GAsyncReadyCallback)fetch_ibus_engines_result,
manager);
}
static void
maybe_start_ibus (GsdKeyboardManager *manager)
{
if (!manager->priv->ibus) {
ibus_init ();
manager->priv->ibus = ibus_bus_new_async ();
g_signal_connect_swapped (manager->priv->ibus, "connected",
G_CALLBACK (fetch_ibus_engines), manager);
g_signal_connect_swapped (manager->priv->ibus, "disconnected",
G_CALLBACK (clear_ibus), manager);
}
/* IBus doesn't export API in the session bus. The only thing
* we have there is a well known name which we can use as a
* sure-fire way to activate it. */
g_bus_unwatch_name (g_bus_watch_name (G_BUS_TYPE_SESSION,
IBUS_SERVICE_IBUS,
G_BUS_NAME_WATCHER_FLAGS_AUTO_START,
NULL,
NULL,
NULL,
NULL));
}
static void
set_ibus_engine_finish (GObject *object,
GAsyncResult *res,
GsdKeyboardManager *manager)
{
gboolean result;
IBusBus *ibus = IBUS_BUS (object);
GsdKeyboardManagerPrivate *priv = manager->priv;
GError *error = NULL;
g_clear_object (&priv->ibus_cancellable);
result = ibus_bus_set_global_engine_async_finish (ibus, res, &error);
if (!result) {
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
g_warning ("Couldn't set IBus engine: %s", error->message);
g_error_free (error);
return;
}
maybe_return_from_set_input_source (manager);
}
static void
set_ibus_engine (GsdKeyboardManager *manager,
const gchar *engine_id)
{
GsdKeyboardManagerPrivate *priv = manager->priv;
g_return_if_fail (priv->ibus != NULL);
g_return_if_fail (priv->ibus_engines != NULL);
g_cancellable_cancel (priv->ibus_cancellable);
g_clear_object (&priv->ibus_cancellable);
priv->ibus_cancellable = g_cancellable_new ();
increment_set_input_source_ops (manager);
ibus_bus_set_global_engine_async (priv->ibus,
engine_id,
-1,
priv->ibus_cancellable,
(GAsyncReadyCallback)set_ibus_engine_finish,
manager);
}
static void
set_ibus_xkb_engine (GsdKeyboardManager *manager)
{
IBusEngineDesc *engine;
GsdKeyboardManagerPrivate *priv = manager->priv;
if (!priv->ibus_engines)
return;
/* All the "xkb:..." IBus engines simply "echo" back symbols,
despite their naming implying differently, so we always set
one in order for XIM applications to work given that we set
XMODIFIERS=@im=ibus in the first place so that they can
work without restarting when/if the user adds an IBus
input source. */
engine = g_hash_table_lookup (priv->ibus_engines, "xkb:us::eng");
if (!engine)
return;
set_ibus_engine (manager, ibus_engine_desc_get_name (engine));
}
static gboolean
need_ibus (GVariant *sources)
{
GVariantIter iter;
const gchar *type;
g_variant_iter_init (&iter, sources);
while (g_variant_iter_next (&iter, "(&s&s)", &type, NULL))
if (g_str_equal (type, INPUT_SOURCE_TYPE_IBUS))
return TRUE;
return FALSE;
}
static void
set_gtk_im_module (GsdKeyboardManager *manager,
GVariant *sources)
{
GsdKeyboardManagerPrivate *priv = manager->priv;
const gchar *new_module;
gchar *current_module;
if (!sources || need_ibus (sources))
new_module = GTK_IM_MODULE_IBUS;
else
new_module = GTK_IM_MODULE_SIMPLE;
current_module = g_settings_get_string (priv->interface_settings,
KEY_GTK_IM_MODULE);
if (!g_str_equal (current_module, new_module))
g_settings_set_string (priv->interface_settings,
KEY_GTK_IM_MODULE,
new_module);
g_free (current_module);
}
/* XXX: See upstream bug:
* https://codereview.appspot.com/6586075/ */
static gchar *
layout_from_ibus_layout (const gchar *ibus_layout)
{
const gchar *p;
/* we get something like "layout(variant)[option1,option2]" */
p = ibus_layout;
while (*p) {
if (*p == '(' || *p == '[')
break;
p += 1;
}
return g_strndup (ibus_layout, p - ibus_layout);
}
static gchar *
variant_from_ibus_layout (const gchar *ibus_layout)
{
const gchar *a, *b;
/* we get something like "layout(variant)[option1,option2]" */
a = ibus_layout;
while (*a) {
if (*a == '(')
break;
a += 1;
}
if (!*a)
return NULL;
a += 1;
b = a;
while (*b) {
if (*b == ')')
break;
b += 1;
}
if (!*b)
return NULL;
return g_strndup (a, b - a);
}
static gchar **
options_from_ibus_layout (const gchar *ibus_layout)
{
const gchar *a, *b;
GPtrArray *opt_array;
/* we get something like "layout(variant)[option1,option2]" */
a = ibus_layout;
while (*a) {
if (*a == '[')
break;
a += 1;
}
if (!*a)
return NULL;
opt_array = g_ptr_array_new ();
do {
a += 1;
b = a;
while (*b) {
if (*b == ',' || *b == ']')
break;
b += 1;
}
if (!*b)
goto out;
g_ptr_array_add (opt_array, g_strndup (a, b - a));
a = b;
} while (*a && *a == ',');
out:
g_ptr_array_add (opt_array, NULL);
return (gchar **) g_ptr_array_free (opt_array, FALSE);
}
static void
convert_ibus (GSettings *settings)
{
GVariantBuilder builder;
GSettings *ibus_settings;
gchar **engines, **e;
if (!schema_is_installed ("org.freedesktop.ibus.general"))
return;
init_builder_with_sources (&builder, settings);
ibus_settings = g_settings_new ("org.freedesktop.ibus.general");
engines = g_settings_get_strv (ibus_settings, "preload-engines");
for (e = engines; *e; ++e) {
if (g_str_has_prefix (*e, "xkb:"))
continue;
g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_IBUS, *e);
}
g_settings_set_value (settings, KEY_INPUT_SOURCES, g_variant_builder_end (&builder));
g_strfreev (engines);
g_object_unref (ibus_settings);
}
#endif /* HAVE_IBUS */
static gboolean
xkb_set_keyboard_autorepeat_rate (guint delay, guint interval)
{
return XkbSetAutoRepeatRate (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
XkbUseCoreKbd,
delay,
interval);
}
static gboolean
check_xkb_extension (GsdKeyboardManager *manager)
{
Display *dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
int opcode, error_base, major, minor;
gboolean have_xkb;
have_xkb = XkbQueryExtension (dpy,
&opcode,
&manager->priv->xkb_event_base,
&error_base,
&major,
&minor);
return have_xkb;
}
static void
xkb_init (GsdKeyboardManager *manager)
{
Display *dpy;
dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
XkbSelectEventDetails (dpy,
XkbUseCoreKbd,
XkbStateNotify,
XkbModifierLockMask,
XkbModifierLockMask);
}
static unsigned
numlock_NumLock_modifier_mask (void)
{
Display *dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
return XkbKeysymToModifiers (dpy, XK_Num_Lock);
}
static void
numlock_set_xkb_state (GsdNumLockState new_state)
{
unsigned int num_mask;
Display *dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
if (new_state != GSD_NUM_LOCK_STATE_ON && new_state != GSD_NUM_LOCK_STATE_OFF)
return;
num_mask = numlock_NumLock_modifier_mask ();
XkbLockModifiers (dpy, XkbUseCoreKbd, num_mask, new_state == GSD_NUM_LOCK_STATE_ON ? num_mask : 0);
}
static const char *
num_lock_state_to_string (GsdNumLockState numlock_state)
{
switch (numlock_state) {
case GSD_NUM_LOCK_STATE_UNKNOWN:
return "GSD_NUM_LOCK_STATE_UNKNOWN";
case GSD_NUM_LOCK_STATE_ON:
return "GSD_NUM_LOCK_STATE_ON";
case GSD_NUM_LOCK_STATE_OFF:
return "GSD_NUM_LOCK_STATE_OFF";
default:
return "UNKNOWN";
}
}
static GdkFilterReturn
xkb_events_filter (GdkXEvent *xev_,
GdkEvent *gdkev_,
gpointer user_data)
{
XEvent *xev = (XEvent *) xev_;
XkbEvent *xkbev = (XkbEvent *) xev;
GsdKeyboardManager *manager = (GsdKeyboardManager *) user_data;
if (xev->type != manager->priv->xkb_event_base ||
xkbev->any.xkb_type != XkbStateNotify)
return GDK_FILTER_CONTINUE;
if (xkbev->state.changed & XkbModifierLockMask) {
unsigned num_mask = numlock_NumLock_modifier_mask ();
unsigned locked_mods = xkbev->state.locked_mods;
GsdNumLockState numlock_state;
numlock_state = (num_mask & locked_mods) ? GSD_NUM_LOCK_STATE_ON : GSD_NUM_LOCK_STATE_OFF;
if (numlock_state != manager->priv->old_state) {
g_debug ("New num-lock state '%s' != Old num-lock state '%s'",
num_lock_state_to_string (numlock_state),
num_lock_state_to_string (manager->priv->old_state));
g_settings_set_enum (manager->priv->settings,
KEY_NUMLOCK_STATE,
numlock_state);
manager->priv->old_state = numlock_state;
}
}
return GDK_FILTER_CONTINUE;
}
static void
install_xkb_filter (GsdKeyboardManager *manager)
{
gdk_window_add_filter (NULL,
xkb_events_filter,
manager);
}
static void
remove_xkb_filter (GsdKeyboardManager *manager)
{
gdk_window_remove_filter (NULL,
xkb_events_filter,
manager);
}
static void
free_xkb_component_names (XkbComponentNamesRec *p)
{
g_return_if_fail (p != NULL);
free (p->keymap);
free (p->keycodes);
free (p->types);
free (p->compat);
free (p->symbols);
free (p->geometry);
g_free (p);
}
static void
upload_xkb_description (const gchar *rules_file_path,
XkbRF_VarDefsRec *var_defs,
XkbComponentNamesRec *comp_names)
{
Display *display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
XkbDescRec *xkb_desc;
gchar *rules_file;
/* The layout we want is always in the first XKB group index
* so we should enforce it to make sure we never end up with
* the wrong one. */
XkbLockGroup (display, XkbUseCoreKbd, 0);
/* Upload it to the X server using the same method as setxkbmap */
xkb_desc = XkbGetKeyboardByName (display,
XkbUseCoreKbd,
comp_names,
XkbGBN_AllComponentsMask,
XkbGBN_AllComponentsMask &
(~XkbGBN_GeometryMask), True);
if (!xkb_desc) {
g_warning ("Couldn't upload new XKB keyboard description");
return;
}
XkbFreeKeyboard (xkb_desc, 0, True);
rules_file = g_path_get_basename (rules_file_path);
if (!XkbRF_SetNamesProp (display, rules_file, var_defs))
g_warning ("Couldn't update the XKB root window property");
g_free (rules_file);
}
static gchar *
build_xkb_group_string (const gchar *user,
const gchar *locale,
const gchar *latin)
{
gchar *string;
gsize length = 0;
guint commas = 2;
if (latin)
length += strlen (latin);
else
commas -= 1;
if (locale)
length += strlen (locale);
else
commas -= 1;
length += strlen (user) + commas + 1;
string = malloc (length);
if (locale && latin)
sprintf (string, "%s,%s,%s", user, locale, latin);
else if (locale)
sprintf (string, "%s,%s", user, locale);
else if (latin)
sprintf (string, "%s,%s", user, latin);
else
sprintf (string, "%s", user);
return string;
}
static gboolean
layout_equal (const gchar *layout_a,
const gchar *variant_a,
const gchar *layout_b,
const gchar *variant_b)
{
return !g_strcmp0 (layout_a, layout_b) && !g_strcmp0 (variant_a, variant_b);
}
static void
get_locale_layout (GsdKeyboardManager *manager,
const gchar **layout,
const gchar **variant)
{
const gchar *locale;
const gchar *type;
const gchar *id;
gboolean got_info;
*layout = NULL;
*variant = NULL;
locale = setlocale (LC_MESSAGES, NULL);
/* If LANG is empty, default to en_US */
if (!locale)
locale = DEFAULT_LANGUAGE;
got_info = gnome_get_input_source_from_locale (locale, &type, &id);
if (!got_info)
if (!gnome_get_input_source_from_locale (DEFAULT_LANGUAGE, &type, &id))
return;
if (!g_str_equal (type, INPUT_SOURCE_TYPE_XKB))
return;
gnome_xkb_info_get_layout_info (manager->priv->xkb_info,
id,
NULL,
NULL,
layout,
variant);
}
static void
replace_layout_and_variant (GsdKeyboardManager *manager,
XkbRF_VarDefsRec *xkb_var_defs,
const gchar *layout,
const gchar *variant)
{
/* Toolkits need to know about both a latin layout to handle
* accelerators which are usually defined like Ctrl+C and a
* layout with the symbols for the language used in UI strings
* to handle mnemonics like Alt+Ф, so we try to find and add
* them in XKB group slots after the layout which the user
* actually intends to type with. */
const gchar *latin_layout = "us";
const gchar *latin_variant = "";
const gchar *locale_layout = NULL;
const gchar *locale_variant = NULL;
if (!layout)
return;
if (!variant)
variant = "";
get_locale_layout (manager, &locale_layout, &locale_variant);
/* We want to minimize the number of XKB groups if we have
* duplicated layout+variant pairs.
*
* Also, if a layout doesn't have a variant we still have to
* include it in the variants string because the number of
* variants must agree with the number of layouts. For
* instance:
*
* layouts: "us,ru,us"
* variants: "dvorak,,"
*/
if (layout_equal (latin_layout, latin_variant, locale_layout, locale_variant) ||
layout_equal (latin_layout, latin_variant, layout, variant)) {
latin_layout = NULL;
latin_variant = NULL;
}
if (layout_equal (locale_layout, locale_variant, layout, variant)) {
locale_layout = NULL;
locale_variant = NULL;
}
free (xkb_var_defs->layout);
xkb_var_defs->layout = build_xkb_group_string (layout, locale_layout, latin_layout);
free (xkb_var_defs->variant);
xkb_var_defs->variant = build_xkb_group_string (variant, locale_variant, latin_variant);
}
static gchar *
build_xkb_options_string (gchar **options)
{
gchar *string;
if (*options) {
gint i;
gsize len;
gchar *ptr;
/* First part, getting length */
len = 1 + strlen (options[0]);
for (i = 1; options[i] != NULL; i++)
len += strlen (options[i]);
len += (i - 1); /* commas */
/* Second part, building string */
string = malloc (len);
ptr = g_stpcpy (string, *options);
for (i = 1; options[i] != NULL; i++) {
ptr = g_stpcpy (ptr, ",");
ptr = g_stpcpy (ptr, options[i]);
}
} else {
string = malloc (1);
*string = '\0';
}
return string;
}
static gchar **
append_options (gchar **a,
gchar **b)
{
gchar **c, **p;
if (!a && !b)
return NULL;
else if (!a)
return g_strdupv (b);
else if (!b)
return g_strdupv (a);
c = g_new0 (gchar *, g_strv_length (a) + g_strv_length (b) + 1);
p = c;
while (*a) {
*p = g_strdup (*a);
p += 1;
a += 1;
}
while (*b) {
*p = g_strdup (*b);
p += 1;
b += 1;
}
return c;
}
static void
add_xkb_options (GsdKeyboardManager *manager,
XkbRF_VarDefsRec *xkb_var_defs,
gchar **extra_options)
{
gchar **options;
gchar **settings_options;
settings_options = g_settings_get_strv (manager->priv->input_sources_settings,
KEY_KEYBOARD_OPTIONS);
options = append_options (settings_options, extra_options);
g_strfreev (settings_options);
free (xkb_var_defs->options);
xkb_var_defs->options = build_xkb_options_string (options);
g_strfreev (options);
}
static void
apply_xkb_settings (GsdKeyboardManager *manager,
const gchar *layout,
const gchar *variant,
gchar **options)
{
XkbRF_RulesRec *xkb_rules;
XkbRF_VarDefsRec *xkb_var_defs;
gchar *rules_file_path;
gnome_xkb_info_get_var_defs (&rules_file_path, &xkb_var_defs);
add_xkb_options (manager, xkb_var_defs, options);
replace_layout_and_variant (manager, xkb_var_defs, layout, variant);
gdk_error_trap_push ();
xkb_rules = XkbRF_Load (rules_file_path, NULL, True, True);
if (xkb_rules) {
XkbComponentNamesRec *xkb_comp_names;
xkb_comp_names = g_new0 (XkbComponentNamesRec, 1);
XkbRF_GetComponents (xkb_rules, xkb_var_defs, xkb_comp_names);
upload_xkb_description (rules_file_path, xkb_var_defs, xkb_comp_names);
free_xkb_component_names (xkb_comp_names);
XkbRF_Free (xkb_rules, True);
} else {
g_warning ("Couldn't load XKB rules");
}
if (gdk_error_trap_pop ())
g_warning ("Error loading XKB rules");
gnome_xkb_info_free_var_defs (xkb_var_defs);
g_free (rules_file_path);
}
static gboolean
apply_input_sources_settings (GSettings *settings,
gpointer keys,
gint n_keys,
GsdKeyboardManager *manager)
{
GsdKeyboardManagerPrivate *priv = manager->priv;
GVariant *sources;
guint current;
guint n_sources;
const gchar *type = NULL;
const gchar *id = NULL;
gchar *layout = NULL;
gchar *variant = NULL;
gchar **options = NULL;
sources = g_settings_get_value (priv->input_sources_settings, KEY_INPUT_SOURCES);
current = g_settings_get_uint (priv->input_sources_settings, KEY_CURRENT_INPUT_SOURCE);
n_sources = g_variant_n_children (sources);
if (n_sources < 1)
goto exit;
if (current >= n_sources) {
g_settings_set_uint (priv->input_sources_settings,
KEY_CURRENT_INPUT_SOURCE,
n_sources - 1);
goto exit;
}
#ifdef HAVE_IBUS
maybe_start_ibus (manager);
#endif
g_variant_get_child (sources, current, "(&s&s)", &type, &id);
if (g_str_equal (type, INPUT_SOURCE_TYPE_XKB)) {
const gchar *l, *v;
gnome_xkb_info_get_layout_info (priv->xkb_info, id, NULL, NULL, &l, &v);
layout = g_strdup (l);
variant = g_strdup (v);
if (!layout || !layout[0]) {
g_warning ("Couldn't find XKB input source '%s'", id);
goto exit;
}
#ifdef HAVE_IBUS
set_gtk_im_module (manager, sources);
set_ibus_xkb_engine (manager);
#endif
} else if (g_str_equal (type, INPUT_SOURCE_TYPE_IBUS)) {
#ifdef HAVE_IBUS
IBusEngineDesc *engine_desc = NULL;
if (priv->ibus_engines)
engine_desc = g_hash_table_lookup (priv->ibus_engines, id);
else
goto exit; /* we'll be called again when ibus is up and running */
if (engine_desc) {
const gchar *ibus_layout;
ibus_layout = ibus_engine_desc_get_layout (engine_desc);
if (ibus_layout) {
layout = layout_from_ibus_layout (ibus_layout);
variant = variant_from_ibus_layout (ibus_layout);
options = options_from_ibus_layout (ibus_layout);
}
} else {
g_warning ("Couldn't find IBus input source '%s'", id);
goto exit;
}
/* NULL here is a shortcut for "I already know I
need the IBus module". */
set_gtk_im_module (manager, NULL);
set_ibus_engine (manager, id);
#else
g_warning ("IBus input source type specified but IBus support was not compiled");
#endif