C++ (Cpp) filter_xkb_config示例

示例#1

文件： csd-keyboard-xkb.c 项目： chitwanix/sagarmatha-settings-daemon

static void
apply_xkb_settings (void)
{
	GkbdKeyboardConfig current_sys_kbd_config;

	if (!inited_ok)
		return;

	gkbd_keyboard_config_init (&current_sys_kbd_config, xkl_engine);

	gkbd_keyboard_config_load (&current_kbd_config,
				   &initial_sys_kbd_config);

	gkbd_keyboard_config_load_from_x_current (&current_sys_kbd_config,
						  NULL);

	if (!try_activating_xkb_config_if_new (&current_sys_kbd_config)) {
		if (filter_xkb_config ()) {
			if (!try_activating_xkb_config_if_new
			    (&current_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");

	gkbd_keyboard_config_term (&current_sys_kbd_config);
	show_hide_icon ();
}

示例#2

文件： gsd-keyboard-xkb.c 项目： joeyli/gnome-settings-daemon

static void
apply_xkb_settings (void)
{
	GConfClient *conf_client;
	GkbdKeyboardConfig current_sys_kbd_config;
	int group_to_activate = -1;
	char *gdm_layout;
	char *s;

	if (!inited_ok)
		return;

	conf_client = gconf_client_get_default ();

	/* With GDM the user can already set a layout from the login
	 * screen. Try to keep that setting.
	 * We clear gdm_keyboard_layout early, so we don't risk
	 * recursion from gconf notification.
	 */
	gdm_layout = g_strdup (gdm_keyboard_layout);
	gdm_keyboard_layout = NULL;

	/* gdm's configuration and $GDM_KEYBOARD_LAYOUT separates layout and
	 * variant with a space, but gconf uses tabs; so convert to be robust
	 * with both */
	for (s = gdm_layout; s && *s; ++s) {
		if (*s == ' ') {
			*s = '\t';
		}
	}

	if (gdm_layout != NULL) {
		GSList *layouts;
		GSList *found_node;
		int max_groups;

		max_groups = xkl_engine_get_max_num_groups (xkl_engine);
		layouts = gconf_client_get_list (conf_client,
						 GKBD_KEYBOARD_CONFIG_KEY_LAYOUTS,
						 GCONF_VALUE_STRING, NULL);

		/* Add the layout if it doesn't already exist. XKB limits the
		 * total number of layouts. If we already have the maximum
		 * number of layouts configured, we replace the last one. This
		 * prevents the list from becoming full if the user has a habit
		 * of selecting many different keyboard layouts in GDM. */

		found_node =
		    g_slist_find_custom (layouts, gdm_layout,
					 (GCompareFunc) g_strcmp0);

		if (!found_node) {
			/* Insert at the last valid place, or at the end of
			 * list, whichever comes first */
			layouts =
			    g_slist_insert (layouts, g_strdup (gdm_layout),
					    max_groups - 1);
			if (g_slist_length (layouts) > max_groups) {
				GSList *last;
				GSList *free_layouts;

				last =
				    g_slist_nth (layouts, max_groups - 1);
				free_layouts = last->next;
				last->next = NULL;

				g_slist_foreach (free_layouts,
						 (GFunc) g_free, NULL);
				g_slist_free (free_layouts);
			}

			gconf_client_set_list (conf_client,
					       GKBD_KEYBOARD_CONFIG_KEY_LAYOUTS,
					       GCONF_VALUE_STRING, layouts,
					       NULL);
		}

		g_slist_foreach (layouts, (GFunc) g_free, NULL);
		g_slist_free (layouts);
	}

	gkbd_keyboard_config_init (&current_sys_kbd_config,
				   conf_client, xkl_engine);

	gkbd_keyboard_config_load_from_gconf (&current_kbd_config,
					      &initial_sys_kbd_config);

	gkbd_keyboard_config_load_from_x_current (&current_sys_kbd_config,
						  NULL);

	if (!try_activating_xkb_config_if_new (&current_sys_kbd_config)) {
		if (filter_xkb_config ()) {
			if (!try_activating_xkb_config_if_new
			    (&current_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");

	if (gdm_layout != NULL) {
		/* If there are multiple layouts,
		 * try to find the one closest to the gdm layout
		 */
		GSList *l;
		int i;
		size_t len = strlen (gdm_layout);
		for (i = 0, l = current_kbd_config.layouts_variants; l;
		     i++, l = l->next) {
			char *lv = l->data;
			if (strncmp (lv, gdm_layout, len) == 0
			    && (lv[len] == '\0' || lv[len] == '\t')) {
				group_to_activate = i;
				break;
			}
		}
	}

	g_free (gdm_layout);

	if (group_to_activate != -1)
		xkl_engine_lock_group (current_config.engine,
				       group_to_activate);
	gkbd_keyboard_config_term (&current_sys_kbd_config);
}