diff options
Diffstat (limited to '')
| -rw-r--r-- | plugins/keyboard/gsd-keyboard-manager.c | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/plugins/keyboard/gsd-keyboard-manager.c b/plugins/keyboard/gsd-keyboard-manager.c new file mode 100644 index 0000000..2feb87e --- /dev/null +++ b/plugins/keyboard/gsd-keyboard-manager.c @@ -0,0 +1,718 @@ +/* -*- 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, see <http://www.gnu.org/licenses/>. + * + */ + +#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 "gnome-settings-bus.h" +#include "gnome-settings-profile.h" +#include "gsd-keyboard-manager.h" +#include "gsd-input-helper.h" +#include "gsd-enums.h" +#include "gsd-settings-migrate.h" + +#define GSD_KEYBOARD_DIR "org.gnome.settings-daemon.peripherals.keyboard" + +#define KEY_CLICK "click" +#define KEY_CLICK_VOLUME "click-volume" + +#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 KEY_BELL_CUSTOM_FILE "bell-custom-file" + +#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_INPUT_SOURCES "sources" +#define KEY_KEYBOARD_OPTIONS "xkb-options" + +#define INPUT_SOURCE_TYPE_XKB "xkb" +#define INPUT_SOURCE_TYPE_IBUS "ibus" + +#define DEFAULT_LAYOUT "us" + +#define GNOME_A11Y_APPLICATIONS_INTERFACE_DIR "org.gnome.desktop.a11y.applications" +#define KEY_OSK_ENABLED "screen-keyboard-enabled" + +struct _GsdKeyboardManager +{ + GObject parent; + + guint start_idle_id; + GSettings *settings; + GSettings *input_sources_settings; + GSettings *a11y_settings; + GDBusProxy *localed; + GCancellable *cancellable; + + GdkDeviceManager *device_manager; + guint device_added_id; + guint device_removed_id; +}; + +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 void update_gtk_im_module (GsdKeyboardManager *manager); + +G_DEFINE_TYPE (GsdKeyboardManager, gsd_keyboard_manager, G_TYPE_OBJECT) + +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 char *schema) +{ + GSettingsSchemaSource *source = NULL; + gchar **non_relocatable = NULL; + gchar **relocatable = NULL; + gboolean installed = FALSE; + + source = g_settings_schema_source_get_default (); + if (!source) + return FALSE; + + g_settings_schema_source_list_schemas (source, TRUE, &non_relocatable, &relocatable); + + if (g_strv_contains ((const gchar * const *)non_relocatable, schema) || + g_strv_contains ((const gchar * const *)relocatable, schema)) + installed = TRUE; + + g_strfreev (non_relocatable); + g_strfreev (relocatable); + return installed; +} + +static void +apply_bell (GsdKeyboardManager *manager) +{ + GSettings *settings; + XKeyboardControl kbdcontrol; + gboolean click; + int bell_volume; + int bell_pitch; + int bell_duration; + GsdBellMode bell_mode; + int click_volume; + + if (gnome_settings_is_wayland ()) + return; + + g_debug ("Applying the bell settings"); + settings = manager->settings; + click = g_settings_get_boolean (settings, KEY_CLICK); + click_volume = g_settings_get_int (settings, KEY_CLICK_VOLUME); + + bell_pitch = g_settings_get_int (settings, KEY_BELL_PITCH); + bell_duration = g_settings_get_int (settings, KEY_BELL_DURATION); + + bell_mode = g_settings_get_enum (settings, KEY_BELL_MODE); + bell_volume = (bell_mode == GSD_BELL_MODE_ON) ? 50 : 0; + + /* as percentage from 0..100 inclusive */ + if (click_volume < 0) { + click_volume = 0; + } else if (click_volume > 100) { + click_volume = 100; + } + kbdcontrol.key_click_percent = click ? click_volume : 0; + kbdcontrol.bell_percent = bell_volume; + kbdcontrol.bell_pitch = bell_pitch; + kbdcontrol.bell_duration = bell_duration; + + gdk_error_trap_push (); + XChangeKeyboardControl (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), + KBKeyClickPercent | KBBellPercent | KBBellPitch | KBBellDuration, + &kbdcontrol); + + XSync (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), FALSE); + gdk_error_trap_pop_ignored (); +} + +static void +apply_all_settings (GsdKeyboardManager *manager) +{ + apply_bell (manager); +} + +static void +settings_changed (GSettings *settings, + const char *key, + GsdKeyboardManager *manager) +{ + if (g_strcmp0 (key, KEY_CLICK) == 0|| + g_strcmp0 (key, KEY_CLICK_VOLUME) == 0 || + g_strcmp0 (key, KEY_BELL_PITCH) == 0 || + g_strcmp0 (key, KEY_BELL_DURATION) == 0 || + g_strcmp0 (key, KEY_BELL_MODE) == 0) { + g_debug ("Bell setting '%s' changed, applying bell settings", key); + apply_bell (manager); + } else if (g_strcmp0 (key, KEY_BELL_CUSTOM_FILE) == 0){ + g_debug ("Ignoring '%s' setting change", KEY_BELL_CUSTOM_FILE); + } else { + g_warning ("Unhandled settings change, key '%s'", key); + } + +} + +static void +device_added_cb (GdkDeviceManager *device_manager, + GdkDevice *device, + GsdKeyboardManager *manager) +{ + GdkInputSource source; + + source = gdk_device_get_source (device); + if (source == GDK_SOURCE_TOUCHSCREEN) { + update_gtk_im_module (manager); + } +} + +static void +device_removed_cb (GdkDeviceManager *device_manager, + GdkDevice *device, + GsdKeyboardManager *manager) +{ + GdkInputSource source; + + source = gdk_device_get_source (device); + if (source == GDK_SOURCE_TOUCHSCREEN) + update_gtk_im_module (manager); +} + +static void +set_devicepresence_handler (GsdKeyboardManager *manager) +{ + GdkDeviceManager *device_manager; + + if (gnome_settings_is_wayland ()) + return; + + device_manager = gdk_display_get_device_manager (gdk_display_get_default ()); + + manager->device_added_id = g_signal_connect (G_OBJECT (device_manager), "device-added", + G_CALLBACK (device_added_cb), manager); + manager->device_removed_id = g_signal_connect (G_OBJECT (device_manager), "device-removed", + G_CALLBACK (device_removed_cb), manager); + manager->device_manager = device_manager; +} + +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 gboolean +need_osk (GsdKeyboardManager *manager) +{ + gboolean has_touchscreen = FALSE; + GList *devices; + GdkSeat *seat; + + if (g_settings_get_boolean (manager->a11y_settings, + KEY_OSK_ENABLED)) + return TRUE; + + seat = gdk_display_get_default_seat (gdk_display_get_default ()); + devices = gdk_seat_get_slaves (seat, GDK_SEAT_CAPABILITY_TOUCH); + + has_touchscreen = devices != NULL; + + g_list_free (devices); + + return has_touchscreen; +} + +static void +set_gtk_im_module (GsdKeyboardManager *manager, + GSettings *settings, + GVariant *sources) +{ + const gchar *new_module; + gchar *current_module; + + if (need_ibus (sources) || need_osk (manager)) + new_module = GTK_IM_MODULE_IBUS; + else + new_module = GTK_IM_MODULE_SIMPLE; + + current_module = g_settings_get_string (settings, KEY_GTK_IM_MODULE); + if (!g_str_equal (current_module, new_module)) + g_settings_set_string (settings, KEY_GTK_IM_MODULE, new_module); + g_free (current_module); +} + +static void +update_gtk_im_module (GsdKeyboardManager *manager) +{ + GSettings *interface_settings; + GVariant *sources; + + /* Gtk+ uses the IM module advertised in XSETTINGS so, if we + * have IBus input sources, we want it to load that + * module. Otherwise we can use the default "simple" module + * which is builtin gtk+ + */ + interface_settings = g_settings_new (GNOME_DESKTOP_INTERFACE_DIR); + sources = g_settings_get_value (manager->input_sources_settings, + KEY_INPUT_SOURCES); + set_gtk_im_module (manager, interface_settings, sources); + g_object_unref (interface_settings); + g_variant_unref (sources); +} + +static void +get_sources_from_xkb_config (GsdKeyboardManager *manager) +{ + GVariantBuilder builder; + GVariant *v; + gint i, n; + gchar **layouts = NULL; + gchar **variants = NULL; + + v = g_dbus_proxy_get_cached_property (manager->localed, "X11Layout"); + if (v) { + const gchar *s = g_variant_get_string (v, NULL); + if (*s) + layouts = g_strsplit (s, ",", -1); + g_variant_unref (v); + } + + init_builder_with_sources (&builder, manager->input_sources_settings); + + if (!layouts) { + g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_XKB, DEFAULT_LAYOUT); + goto out; + } + + v = g_dbus_proxy_get_cached_property (manager->localed, "X11Variant"); + if (v) { + const gchar *s = g_variant_get_string (v, NULL); + if (*s) + variants = g_strsplit (s, ",", -1); + g_variant_unref (v); + } + + if (variants && variants[0]) + n = MIN (g_strv_length (layouts), g_strv_length (variants)); + else + n = g_strv_length (layouts); + + for (i = 0; i < n && layouts[i][0]; ++i) { + gchar *id; + + if (variants && variants[i] && variants[i][0]) + id = g_strdup_printf ("%s+%s", layouts[i], variants[i]); + else + id = g_strdup (layouts[i]); + + g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_XKB, id); + g_free (id); + } + +out: + g_settings_set_value (manager->input_sources_settings, KEY_INPUT_SOURCES, g_variant_builder_end (&builder)); + + g_strfreev (layouts); + g_strfreev (variants); +} + +static void +get_options_from_xkb_config (GsdKeyboardManager *manager) +{ + GVariant *v; + gchar **options = NULL; + + v = g_dbus_proxy_get_cached_property (manager->localed, "X11Options"); + if (v) { + const gchar *s = g_variant_get_string (v, NULL); + if (*s) + options = g_strsplit (s, ",", -1); + g_variant_unref (v); + } + + if (!options) + return; + + g_settings_set_strv (manager->input_sources_settings, KEY_KEYBOARD_OPTIONS, (const gchar * const*) options); + + g_strfreev (options); +} + +static void +convert_libgnomekbd_options (GSettings *settings) +{ + GPtrArray *opt_array; + GSettings *libgnomekbd_settings; + gchar **options, **o; + + if (!schema_is_installed ("org.gnome.libgnomekbd.keyboard")) + return; + + opt_array = g_ptr_array_new_with_free_func (g_free); + + libgnomekbd_settings = g_settings_new ("org.gnome.libgnomekbd.keyboard"); + options = g_settings_get_strv (libgnomekbd_settings, "options"); + + for (o = options; *o; ++o) { + gchar **strv; + + strv = g_strsplit (*o, "\t", 2); + if (strv[0] && strv[1]) + g_ptr_array_add (opt_array, g_strdup (strv[1])); + g_strfreev (strv); + } + g_ptr_array_add (opt_array, NULL); + + g_settings_set_strv (settings, KEY_KEYBOARD_OPTIONS, (const gchar * const*) opt_array->pdata); + + g_strfreev (options); + g_object_unref (libgnomekbd_settings); + g_ptr_array_free (opt_array, TRUE); +} + +static void +convert_libgnomekbd_layouts (GSettings *settings) +{ + GVariantBuilder builder; + GSettings *libgnomekbd_settings; + gchar **layouts, **l; + + if (!schema_is_installed ("org.gnome.libgnomekbd.keyboard")) + return; + + init_builder_with_sources (&builder, settings); + + libgnomekbd_settings = g_settings_new ("org.gnome.libgnomekbd.keyboard"); + layouts = g_settings_get_strv (libgnomekbd_settings, "layouts"); + + for (l = layouts; *l; ++l) { + gchar *id; + gchar **strv; + + strv = g_strsplit (*l, "\t", 2); + if (strv[0] && !strv[1]) + id = g_strdup (strv[0]); + else if (strv[0] && strv[1]) + id = g_strdup_printf ("%s+%s", strv[0], strv[1]); + else + id = NULL; + + if (id) + g_variant_builder_add (&builder, "(ss)", INPUT_SOURCE_TYPE_XKB, id); + + g_free (id); + g_strfreev (strv); + } + + g_settings_set_value (settings, KEY_INPUT_SOURCES, g_variant_builder_end (&builder)); + + g_strfreev (layouts); + g_object_unref (libgnomekbd_settings); +} + +static void +maybe_convert_old_settings (GSettings *settings) +{ + GVariant *sources; + gchar **options; + gchar *stamp_dir_path = NULL; + gchar *stamp_file_path = NULL; + GError *error = NULL; + + stamp_dir_path = g_build_filename (g_get_user_data_dir (), PACKAGE_NAME, NULL); + if (g_mkdir_with_parents (stamp_dir_path, 0755)) { + g_warning ("Failed to create directory %s: %s", stamp_dir_path, g_strerror (errno)); + goto out; + } + + stamp_file_path = g_build_filename (stamp_dir_path, "input-sources-converted", NULL); + if (g_file_test (stamp_file_path, G_FILE_TEST_EXISTS)) + goto out; + + sources = g_settings_get_value (settings, KEY_INPUT_SOURCES); + if (g_variant_n_children (sources) < 1) { + convert_libgnomekbd_layouts (settings); + } + g_variant_unref (sources); + + options = g_settings_get_strv (settings, KEY_KEYBOARD_OPTIONS); + if (g_strv_length (options) < 1) + convert_libgnomekbd_options (settings); + g_strfreev (options); + + if (!g_file_set_contents (stamp_file_path, "", 0, &error)) { + g_warning ("%s", error->message); + g_error_free (error); + } +out: + g_free (stamp_file_path); + g_free (stamp_dir_path); +} + +static void +maybe_create_initial_settings (GsdKeyboardManager *manager) +{ + GSettings *settings; + GVariant *sources; + gchar **options; + + settings = manager->input_sources_settings; + + if (g_getenv ("RUNNING_UNDER_GDM")) + return; + + maybe_convert_old_settings (settings); + + /* if we still don't have anything do some educated guesses */ + sources = g_settings_get_value (settings, KEY_INPUT_SOURCES); + if (g_variant_n_children (sources) < 1) + get_sources_from_xkb_config (manager); + g_variant_unref (sources); + + options = g_settings_get_strv (settings, KEY_KEYBOARD_OPTIONS); + if (g_strv_length (options) < 1) + get_options_from_xkb_config (manager); + g_strfreev (options); +} + +static void +localed_proxy_ready (GObject *source, + GAsyncResult *res, + gpointer data) +{ + GsdKeyboardManager *manager = data; + GDBusProxy *proxy; + GError *error = NULL; + + proxy = g_dbus_proxy_new_finish (res, &error); + if (!proxy) { + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { + g_error_free (error); + return; + } + g_warning ("Failed to contact localed: %s", error->message); + g_error_free (error); + } + + manager->localed = proxy; + maybe_create_initial_settings (manager); +} + +static gboolean +start_keyboard_idle_cb (GsdKeyboardManager *manager) +{ + gnome_settings_profile_start (NULL); + + g_debug ("Starting keyboard manager"); + + manager->settings = g_settings_new (GSD_KEYBOARD_DIR); + + set_devicepresence_handler (manager); + + manager->input_sources_settings = g_settings_new (GNOME_DESKTOP_INPUT_SOURCES_DIR); + g_signal_connect_swapped (manager->input_sources_settings, + "changed::" KEY_INPUT_SOURCES, + G_CALLBACK (update_gtk_im_module), manager); + + manager->a11y_settings = g_settings_new (GNOME_A11Y_APPLICATIONS_INTERFACE_DIR); + g_signal_connect_swapped (manager->a11y_settings, + "changed::" KEY_OSK_ENABLED, + G_CALLBACK (update_gtk_im_module), manager); + update_gtk_im_module (manager); + + manager->cancellable = g_cancellable_new (); + + g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_NONE, + NULL, + "org.freedesktop.locale1", + "/org/freedesktop/locale1", + "org.freedesktop.locale1", + manager->cancellable, + localed_proxy_ready, + manager); + + if (!gnome_settings_is_wayland ()) { + /* apply current settings before we install the callback */ + g_debug ("Started the keyboard plugin, applying all settings"); + apply_all_settings (manager); + + g_signal_connect (G_OBJECT (manager->settings), "changed", + G_CALLBACK (settings_changed), manager); + } + + gnome_settings_profile_end (NULL); + + manager->start_idle_id = 0; + + return FALSE; +} + +gboolean +gsd_keyboard_manager_start (GsdKeyboardManager *manager, + GError **error) +{ + gnome_settings_profile_start (NULL); + + manager->start_idle_id = g_idle_add ((GSourceFunc) start_keyboard_idle_cb, manager); + g_source_set_name_by_id (manager->start_idle_id, "[gnome-settings-daemon] start_keyboard_idle_cb"); + + gnome_settings_profile_end (NULL); + + return TRUE; +} + +void +gsd_keyboard_manager_stop (GsdKeyboardManager *manager) +{ + g_debug ("Stopping keyboard manager"); + + g_cancellable_cancel (manager->cancellable); + g_clear_object (&manager->cancellable); + + g_clear_object (&manager->settings); + g_clear_object (&manager->input_sources_settings); + g_clear_object (&manager->a11y_settings); + g_clear_object (&manager->localed); + + if (manager->device_manager != NULL) { + g_signal_handler_disconnect (manager->device_manager, manager->device_added_id); + g_signal_handler_disconnect (manager->device_manager, manager->device_removed_id); + manager->device_manager = NULL; + } +} + +static void +gsd_keyboard_manager_class_init (GsdKeyboardManagerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gsd_keyboard_manager_finalize; +} + +static void +gsd_keyboard_manager_init (GsdKeyboardManager *manager) +{ +} + +static void +gsd_keyboard_manager_finalize (GObject *object) +{ + GsdKeyboardManager *keyboard_manager; + + g_return_if_fail (object != NULL); + g_return_if_fail (GSD_IS_KEYBOARD_MANAGER (object)); + + keyboard_manager = GSD_KEYBOARD_MANAGER (object); + + g_return_if_fail (keyboard_manager != NULL); + + gsd_keyboard_manager_stop (keyboard_manager); + + if (keyboard_manager->start_idle_id != 0) + g_source_remove (keyboard_manager->start_idle_id); + + G_OBJECT_CLASS (gsd_keyboard_manager_parent_class)->finalize (object); +} + +static void +migrate_keyboard_settings (void) +{ + GsdSettingsMigrateEntry entries[] = { + { "repeat", "repeat", NULL }, + { "repeat-interval", "repeat-interval", NULL }, + { "delay", "delay", NULL }, + { "remember-numlock-state", "remember-numlock-state", NULL }, + }; + + gsd_settings_migrate_check ("org.gnome.settings-daemon.peripherals.keyboard.deprecated", + "/org/gnome/settings-daemon/peripherals/keyboard/", + "org.gnome.desktop.peripherals.keyboard", + "/org/gnome/desktop/peripherals/keyboard/", + entries, G_N_ELEMENTS (entries)); +} + +GsdKeyboardManager * +gsd_keyboard_manager_new (void) +{ + if (manager_object != NULL) { + g_object_ref (manager_object); + } else { + migrate_keyboard_settings (); + manager_object = g_object_new (GSD_TYPE_KEYBOARD_MANAGER, NULL); + g_object_add_weak_pointer (manager_object, + (gpointer *) &manager_object); + } + + return GSD_KEYBOARD_MANAGER (manager_object); +} |