diff options
Diffstat (limited to 'plugins/xsettings/gsd-xsettings-gtk.c')
| -rw-r--r-- | plugins/xsettings/gsd-xsettings-gtk.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/plugins/xsettings/gsd-xsettings-gtk.c b/plugins/xsettings/gsd-xsettings-gtk.c new file mode 100644 index 0000000..40baf41 --- /dev/null +++ b/plugins/xsettings/gsd-xsettings-gtk.c @@ -0,0 +1,384 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> + * + * 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, see <http://www.gnu.org/licenses/>. + * + */ + +#include "config.h" + +#include <glib/gi18n-lib.h> +#include <gio/gio.h> + +#include "gsd-xsettings-gtk.h" + +#define XSETTINGS_PLUGIN_SCHEMA "org.gnome.settings-daemon.plugins.xsettings" + +#define GTK_MODULES_DISABLED_KEY "disabled-gtk-modules" +#define GTK_MODULES_ENABLED_KEY "enabled-gtk-modules" + +static const char *modules_path = NULL; + +enum { + PROP_0, + PROP_GTK_MODULES +}; + +struct _GsdXSettingsGtk { + GObject parent; + + char *modules; + GHashTable *dir_modules; + + GSettings *settings; + + guint64 dir_mtime; + GFileMonitor *monitor; + GList *cond_settings; +}; + +G_DEFINE_TYPE(GsdXSettingsGtk, gsd_xsettings_gtk, G_TYPE_OBJECT) + +static void update_gtk_modules (GsdXSettingsGtk *gtk); + +static void +empty_cond_settings_list (GsdXSettingsGtk *gtk) +{ + if (gtk->cond_settings == NULL) + return; + + /* Empty the list of settings */ + g_list_foreach (gtk->cond_settings, (GFunc) g_object_unref, NULL); + g_list_free (gtk->cond_settings); + gtk->cond_settings = NULL; +} + +static void +cond_setting_changed (GSettings *settings, + const char *key, + GsdXSettingsGtk *gtk) +{ + gboolean enabled; + const char *module_name; + + module_name = g_object_get_data (G_OBJECT (settings), "module-name"); + + enabled = g_settings_get_boolean (settings, key); + if (enabled != FALSE) { + if (gtk->dir_modules == NULL) + gtk->dir_modules = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + g_hash_table_insert (gtk->dir_modules, g_strdup (module_name), NULL); + } else if (gtk->dir_modules != NULL) { + g_hash_table_remove (gtk->dir_modules, module_name); + } + + update_gtk_modules (gtk); +} + +static char * +process_desktop_file (const char *path, + GsdXSettingsGtk *gtk) +{ + GKeyFile *keyfile; + char *retval; + char *module_name; + + retval = NULL; + + if (g_str_has_suffix (path, ".desktop") == FALSE && + g_str_has_suffix (path, ".gtk-module") == FALSE) + return retval; + + keyfile = g_key_file_new (); + if (g_key_file_load_from_file (keyfile, path, G_KEY_FILE_NONE, NULL) == FALSE) + goto bail; + + if (g_key_file_has_group (keyfile, "GTK Module") == FALSE) + goto bail; + + module_name = g_key_file_get_string (keyfile, "GTK Module", "X-GTK-Module-Name", NULL); + if (module_name == NULL) + goto bail; + + if (g_key_file_has_key (keyfile, "GTK Module", "X-GTK-Module-Enabled-Schema", NULL) != FALSE) { + char *schema; + char *key; + gboolean enabled; + GSettings *settings; + char *signal; + + schema = g_key_file_get_string (keyfile, "GTK Module", "X-GTK-Module-Enabled-Schema", NULL); + key = g_key_file_get_string (keyfile, "GTK Module", "X-GTK-Module-Enabled-Key", NULL); + + settings = g_settings_new (schema); + + gtk->cond_settings = g_list_prepend (gtk->cond_settings, settings); + + g_object_set_data_full (G_OBJECT (settings), "module-name", g_strdup (module_name), (GDestroyNotify) g_free); + + signal = g_strdup_printf ("changed::%s", key); + g_signal_connect_object (G_OBJECT (settings), signal, G_CALLBACK (cond_setting_changed), gtk, 0); + enabled = g_settings_get_boolean (settings, key); + g_free (signal); + g_free (schema); + g_free (key); + + if (enabled != FALSE) + retval = g_strdup (module_name); + } else { + retval = g_strdup (module_name); + } + + g_free (module_name); + +bail: + g_key_file_free (keyfile); + return retval; +} + +static void +get_gtk_modules_from_dir (GsdXSettingsGtk *gtk) +{ + GFile *file; + GFileInfo *info; + GHashTable *ht; + + file = g_file_new_for_path (modules_path); + info = g_file_query_info (file, + G_FILE_ATTRIBUTE_TIME_MODIFIED, + G_FILE_QUERY_INFO_NONE, + NULL, + NULL); + if (info != NULL) { + guint64 dir_mtime; + + dir_mtime = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED); + if (gtk->dir_mtime == 0 || + dir_mtime > gtk->dir_mtime) { + GDir *dir; + const char *name; + + empty_cond_settings_list (gtk); + + gtk->dir_mtime = dir_mtime; + + if (gtk->dir_modules != NULL) { + g_hash_table_destroy (gtk->dir_modules); + gtk->dir_modules = NULL; + } + + dir = g_dir_open (modules_path, 0, NULL); + if (dir == NULL) + goto bail; + + ht = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + + while ((name = g_dir_read_name (dir)) != NULL) { + char *path; + char *module; + + path = g_build_filename (modules_path, name, NULL); + module = process_desktop_file (path, gtk); + if (module != NULL) + g_hash_table_insert (ht, module, NULL); + g_free (path); + } + g_dir_close (dir); + + gtk->dir_modules = ht; + } + g_object_unref (info); + } else { + empty_cond_settings_list (gtk); + } + +bail: + g_object_unref (file); +} + +static void +stringify_gtk_modules (gpointer key, + gpointer value, + GString *str) +{ + if (str->len != 0) + g_string_append_c (str, ':'); + g_string_append (str, key); +} + +static void +update_gtk_modules (GsdXSettingsGtk *gtk) +{ + char **enabled, **disabled; + GHashTable *ht; + guint i; + GString *str; + char *modules; + + enabled = g_settings_get_strv (gtk->settings, GTK_MODULES_ENABLED_KEY); + disabled = g_settings_get_strv (gtk->settings, GTK_MODULES_DISABLED_KEY); + + ht = g_hash_table_new (g_str_hash, g_str_equal); + + if (gtk->dir_modules != NULL) { + GList *list, *l; + + list = g_hash_table_get_keys (gtk->dir_modules); + for (l = list; l != NULL; l = l->next) { + g_hash_table_insert (ht, l->data, NULL); + } + g_list_free (list); + } + + for (i = 0; enabled[i] != NULL; i++) + g_hash_table_insert (ht, enabled[i], NULL); + + for (i = 0; disabled[i] != NULL; i++) + g_hash_table_remove (ht, disabled[i]); + + str = g_string_new (NULL); + g_hash_table_foreach (ht, (GHFunc) stringify_gtk_modules, str); + g_hash_table_destroy (ht); + + modules = g_string_free (str, FALSE); + + if (modules == NULL || + gtk->modules == NULL || + g_str_equal (modules, gtk->modules) == FALSE) { + g_free (gtk->modules); + gtk->modules = modules; + g_object_notify (G_OBJECT (gtk), "gtk-modules"); + } else { + g_free (modules); + } + + g_strfreev (enabled); + g_strfreev (disabled); +} + +static void +gtk_modules_dir_changed_cb (GFileMonitor *monitor, + GFile *file, + GFile *other_file, + GFileMonitorEvent event_type, + GsdXSettingsGtk *gtk) +{ + get_gtk_modules_from_dir (gtk); + update_gtk_modules (gtk); +} + +static void +gsd_xsettings_gtk_init (GsdXSettingsGtk *gtk) +{ + GFile *file; + + g_debug ("GsdXSettingsGtk initializing"); + + gtk->settings = g_settings_new (XSETTINGS_PLUGIN_SCHEMA); + + modules_path = g_getenv ("GSD_gtk_modules_dir"); + if (modules_path == NULL) + modules_path = GTK_MODULES_DIRECTORY; + + get_gtk_modules_from_dir (gtk); + + file = g_file_new_for_path (modules_path); + gtk->monitor = g_file_monitor (file, + G_FILE_MONITOR_NONE, + NULL, + NULL); + g_signal_connect (G_OBJECT (gtk->monitor), "changed", + G_CALLBACK (gtk_modules_dir_changed_cb), gtk); + g_object_unref (file); + + update_gtk_modules (gtk); +} + +static void +gsd_xsettings_gtk_finalize (GObject *object) +{ + GsdXSettingsGtk *gtk; + + g_return_if_fail (object != NULL); + g_return_if_fail (GSD_IS_XSETTINGS_GTK (object)); + + g_debug ("GsdXSettingsGtk finalizing"); + + gtk = GSD_XSETTINGS_GTK (object); + + g_return_if_fail (gtk != NULL); + + g_free (gtk->modules); + gtk->modules = NULL; + + if (gtk->dir_modules != NULL) { + g_hash_table_destroy (gtk->dir_modules); + gtk->dir_modules = NULL; + } + + g_object_unref (gtk->settings); + + if (gtk->monitor != NULL) + g_object_unref (gtk->monitor); + + empty_cond_settings_list (gtk); + + G_OBJECT_CLASS (gsd_xsettings_gtk_parent_class)->finalize (object); +} + +static void +gsd_xsettings_gtk_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GsdXSettingsGtk *self; + + self = GSD_XSETTINGS_GTK (object); + + switch (prop_id) { + case PROP_GTK_MODULES: + g_value_set_string (value, self->modules); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gsd_xsettings_gtk_class_init (GsdXSettingsGtkClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = gsd_xsettings_gtk_get_property; + object_class->finalize = gsd_xsettings_gtk_finalize; + + g_object_class_install_property (object_class, PROP_GTK_MODULES, + g_param_spec_string ("gtk-modules", NULL, NULL, + NULL, G_PARAM_READABLE)); +} + +GsdXSettingsGtk * +gsd_xsettings_gtk_new (void) +{ + return GSD_XSETTINGS_GTK (g_object_new (GSD_TYPE_XSETTINGS_GTK, NULL)); +} + +const char * +gsd_xsettings_gtk_get_modules (GsdXSettingsGtk *gtk) +{ + return gtk->modules; +} |