changing code format (http://imageshack.us/photo/my-images/9/254223656580e542a60a.jpg/)

author: Perberos <[email protected]> 2012-06-05 12:19:54 -0300
committer: Perberos <[email protected]> 2012-06-05 12:19:54 -0300
commit: d22aab3682bdd800f6a6e7c2a0ef6b6cfd8ffe03 (patch)
tree: 337dc8c160965ae40e1556f690c244b5e3bec2c7 /plugins/background/msd-background-manager.c
parent: 47ab5efee5617d8110b3942512e9370c9367ec89 (diff)
download: mate-settings-daemon-d22aab3682bdd800f6a6e7c2a0ef6b6cfd8ffe03.tar.bz2
mate-settings-daemon-d22aab3682bdd800f6a6e7c2a0ef6b6cfd8ffe03.tar.xz
1 files changed, 575 insertions, 526 deletions
diff --git a/plugins/background/msd-background-manager.c b/plugins/background/msd-background-manager.c
index 25ab7ec..6a567c5 100644
--- a/plugins/background/msd-background-manager.c
+++ b/plugins/background/msd-background-manager.c
@@ -51,529 +51,578 @@
 
 #define MSD_BACKGROUND_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_BACKGROUND_MANAGER, MsdBackgroundManagerPrivate))
 
-struct MsdBackgroundManagerPrivate
-{
- MateConfClient *client;
- MateBG *bg;
- guint bg_notify_id;
- guint timeout_id;
-
- DBusConnection *dbus_connection;
-};
-
-static void msd_background_manager_class_init (MsdBackgroundManagerClass *klass);
-static void msd_background_manager_init (MsdBackgroundManager *background_manager);
-static void msd_background_manager_finalize (GObject *object);
-
-G_DEFINE_TYPE (MsdBackgroundManager, msd_background_manager, G_TYPE_OBJECT)
-
-static gpointer manager_object = NULL;
-
-static gboolean
-caja_is_running (void)
-{
- Atom window_id_atom;
- Window caja_xid;
- Atom actual_type;
- int actual_format;
- unsigned long nitems;
- unsigned long bytes_after;
- unsigned char *data;
- int retval;
- Atom wmclass_atom;
- gboolean running;
- gint error;
-
- window_id_atom = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
- "CAJA_DESKTOP_WINDOW_ID", True);
-
- if (window_id_atom == None) {
- return FALSE;
- }
-
- retval = XGetWindowProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
- GDK_ROOT_WINDOW (),
- window_id_atom,
- 0,
- 1,
- False,
- XA_WINDOW,
- &actual_type,
- &actual_format,
- &nitems,
- &bytes_after,
- &data);
-
- if (data != NULL) {
- caja_xid = *(Window *) data;
- XFree (data);
- } else {
- return FALSE;
- }
-
- if (actual_type != XA_WINDOW) {
- return FALSE;
- }
- if (actual_format != 32) {
- return FALSE;
- }
-
- wmclass_atom = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "WM_CLASS", False);
-
- gdk_error_trap_push ();
-
- retval = XGetWindowProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
- caja_xid,
- wmclass_atom,
- 0,
- 24,
- False,
- XA_STRING,
- &actual_type,
- &actual_format,
- &nitems,
- &bytes_after,
- &data);
-
- error = gdk_error_trap_pop ();
-
- if (error == BadWindow) {
- return FALSE;
- }
-
- if (actual_type == XA_STRING &&
- nitems == 24 &&
- bytes_after == 0 &&
- actual_format == 8 &&
- data != NULL &&
- !strcmp ((char *)data, "desktop_window") &&
- !strcmp ((char *)data + strlen ((char *)data) + 1, "Caja")) {
- running = TRUE;
- } else {
- running = FALSE;
- }
-
- if (data != NULL) {
- XFree (data);
- }
-
- return running;
-}
-
-static void
-draw_background (MsdBackgroundManager *manager,
- gboolean use_crossfade)
-{
- GdkDisplay *display;
- int n_screens;
- int i;
-
- if (caja_is_running ()) {
- return;
- }
-
- mate_settings_profile_start (NULL);
-
- display = gdk_display_get_default ();
- n_screens = gdk_display_get_n_screens (display);
-
- for (i = 0; i < n_screens; ++i) {
- GdkScreen *screen;
- GdkWindow *root_window;
- GdkPixmap *pixmap;
-
- screen = gdk_display_get_screen (display, i);
-
- root_window = gdk_screen_get_root_window (screen);
-
- pixmap = mate_bg_create_pixmap (manager->priv->bg,
- root_window,
- gdk_screen_get_width (screen),
- gdk_screen_get_height (screen),
- TRUE);
-
- if (use_crossfade) {
- MateBGCrossfade *fade;
-
- fade = mate_bg_set_pixmap_as_root_with_crossfade (screen, pixmap);
- g_signal_connect (fade, "finished",
- G_CALLBACK (g_object_unref), NULL);
- } else {
- mate_bg_set_pixmap_as_root (screen, pixmap);
- }
-
- g_object_unref (pixmap);
- }
-
- mate_settings_profile_end (NULL);
-}
-
-static void
-on_bg_changed (MateBG *bg,
- MsdBackgroundManager *manager)
-{
- draw_background (manager, TRUE);
-}
-
-static void
-on_bg_transitioned (MateBG *bg,
- MsdBackgroundManager *manager)
-{
- draw_background (manager, FALSE);
-}
-
-static void
-mateconf_changed_callback (MateConfClient *client,
- guint cnxn_id,
- MateConfEntry *entry,
- MsdBackgroundManager *manager)
-{
- mate_bg_load_from_preferences (manager->priv->bg,
- manager->priv->client);
-}
-
-static void
-watch_bg_preferences (MsdBackgroundManager *manager)
-{
- g_assert (manager->priv->bg_notify_id == 0);
-
- mateconf_client_add_dir (manager->priv->client,
- MATE_BG_KEY_DIR,
- MATECONF_CLIENT_PRELOAD_NONE,
- NULL);
- manager->priv->bg_notify_id = mateconf_client_notify_add (manager->priv->client,
- MATE_BG_KEY_DIR,
- (MateConfClientNotifyFunc)mateconf_changed_callback,
- manager,
- NULL,
- NULL);
-}
-
-static void
-setup_bg (MsdBackgroundManager *manager)
-{
- g_return_if_fail (manager->priv->bg == NULL);
-
- manager->priv->bg = mate_bg_new ();
-
- g_signal_connect (manager->priv->bg,
- "changed",
- G_CALLBACK (on_bg_changed),
- manager);
-
- g_signal_connect (manager->priv->bg,
- "transitioned",
- G_CALLBACK (on_bg_transitioned),
- manager);
-
- watch_bg_preferences (manager);
- mate_bg_load_from_preferences (manager->priv->bg,
- manager->priv->client);
-}
-
-static gboolean
-queue_draw_background (MsdBackgroundManager *manager)
-{
- manager->priv->timeout_id = 0;
- if (caja_is_running ()) {
- return FALSE;
- }
- setup_bg (manager);
- draw_background (manager, FALSE);
- return FALSE;
-}
-
-static DBusHandlerResult
-on_bus_message (DBusConnection *connection,
- DBusMessage *message,
- void *user_data)
-{
- MsdBackgroundManager *manager = user_data;
-
- if (dbus_message_is_signal (message,
- "org.mate.SessionManager",
- "SessionRunning")) {
- /* If the session finishes then check if caja is
- * running and if not, set the background.
- *
- * We wait a few seconds after the session is up
- * because caja tells the session manager that its
- * ready before it sets the background.
- */
- manager->priv->timeout_id = g_timeout_add_seconds (8,
- (GSourceFunc)
- queue_draw_background,
- manager);
- dbus_connection_remove_filter (connection,
- on_bus_message,
- manager);
-
- manager->priv->dbus_connection = NULL;
- }
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static void
-draw_background_after_session_loads (MsdBackgroundManager *manager)
-{
- DBusConnection *connection;
-
- connection = dbus_bus_get (DBUS_BUS_SESSION, NULL);
-
- if (connection == NULL) {
- return;
- }
-
- if (!dbus_connection_add_filter (connection, on_bus_message, manager, NULL)) {
- return;
- };
-
- manager->priv->dbus_connection = connection;
-}
-
-static void
-on_screen_size_changed (GdkScreen *screen,
- MsdBackgroundManager *manager)
-{
- gboolean caja_show_desktop;
-
- caja_show_desktop = mateconf_client_get_bool (manager->priv->client,
- CAJA_SHOW_DESKTOP_KEY,
- NULL);
-
- if (!caja_is_running () || !caja_show_desktop) {
- if (manager->priv->bg == NULL) {
- setup_bg (manager);
- }
- draw_background (manager, FALSE);
- }
-}
-
-static void
-disconnect_screen_signals (MsdBackgroundManager *manager)
-{
- GdkDisplay *display;
- int i;
- int n_screens;
-
- display = gdk_display_get_default ();
- n_screens = gdk_display_get_n_screens (display);
-
- for (i = 0; i < n_screens; ++i) {
- GdkScreen *screen;
- screen = gdk_display_get_screen (display, i);
- g_signal_handlers_disconnect_by_func (screen,
- G_CALLBACK (on_screen_size_changed),
- manager);
- }
-}
-
-static void
-connect_screen_signals (MsdBackgroundManager *manager)
-{
- GdkDisplay *display;
- int i;
- int n_screens;
-
- display = gdk_display_get_default ();
- n_screens = gdk_display_get_n_screens (display);
-
- for (i = 0; i < n_screens; ++i) {
- GdkScreen *screen;
- screen = gdk_display_get_screen (display, i);
- g_signal_connect (screen,
- "monitors-changed",
- G_CALLBACK (on_screen_size_changed),
- manager);
- g_signal_connect (screen,
- "size-changed",
- G_CALLBACK (on_screen_size_changed),
- manager);
- }
-}
-
-gboolean
-msd_background_manager_start (MsdBackgroundManager *manager,
- GError **error)
-{
- gboolean caja_show_desktop;
-
- g_debug ("Starting background manager");
- mate_settings_profile_start (NULL);
-
- manager->priv->client = mateconf_client_get_default ();
-
- /* If this is set, caja will draw the background and is
- * almost definitely in our session. however, it may not be
- * running yet (so is_caja_running() will fail). so, on
- * startup, just don't do anything if this key is set so we
- * don't waste time setting the background only to have
- * caja overwrite it.
- */
- caja_show_desktop = mateconf_client_get_bool (manager->priv->client,
- CAJA_SHOW_DESKTOP_KEY,
- NULL);
-
- if (!caja_show_desktop) {
- setup_bg (manager);
- } else {
- draw_background_after_session_loads (manager);
- }
-
- connect_screen_signals (manager);
-
- mate_settings_profile_end (NULL);
-
- return TRUE;
-}
-
-void
-msd_background_manager_stop (MsdBackgroundManager *manager)
-{
- MsdBackgroundManagerPrivate *p = manager->priv;
-
- g_debug ("Stopping background manager");
-
- disconnect_screen_signals (manager);
-
- if (manager->priv->dbus_connection != NULL) {
- dbus_connection_remove_filter (manager->priv->dbus_connection,
- on_bus_message,
- manager);
- }
-
- if (manager->priv->bg_notify_id != 0) {
- mateconf_client_remove_dir (manager->priv->client,
- MATE_BG_KEY_DIR,
- NULL);
- mateconf_client_notify_remove (manager->priv->client,
- manager->priv->bg_notify_id);
- manager->priv->bg_notify_id = 0;
- }
-
- if (p->client != NULL) {
- g_object_unref (p->client);
- p->client = NULL;
- }
-
- if (p->timeout_id != 0) {
- g_source_remove (p->timeout_id);
- p->timeout_id = 0;
- }
-
- if (p->bg != NULL) {
- g_object_unref (p->bg);
- p->bg = NULL;
- }
-}
-
-static void
-msd_background_manager_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- MsdBackgroundManager *self;
-
- self = MSD_BACKGROUND_MANAGER (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-msd_background_manager_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- MsdBackgroundManager *self;
-
- self = MSD_BACKGROUND_MANAGER (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static GObject *
-msd_background_manager_constructor (GType type,
- guint n_construct_properties,
- GObjectConstructParam *construct_properties)
-{
- MsdBackgroundManager *background_manager;
- MsdBackgroundManagerClass *klass;
-
- klass = MSD_BACKGROUND_MANAGER_CLASS (g_type_class_peek (MSD_TYPE_BACKGROUND_MANAGER));
-
- background_manager = MSD_BACKGROUND_MANAGER (G_OBJECT_CLASS (msd_background_manager_parent_class)->constructor (type,
- n_construct_properties,
- construct_properties));
-
- return G_OBJECT (background_manager);
-}
-
-static void
-msd_background_manager_dispose (GObject *object)
-{
- MsdBackgroundManager *background_manager;
-
- background_manager = MSD_BACKGROUND_MANAGER (object);
-
- G_OBJECT_CLASS (msd_background_manager_parent_class)->dispose (object);
-}
-
-static void
-msd_background_manager_class_init (MsdBackgroundManagerClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->get_property = msd_background_manager_get_property;
- object_class->set_property = msd_background_manager_set_property;
- object_class->constructor = msd_background_manager_constructor;
- object_class->dispose = msd_background_manager_dispose;
- object_class->finalize = msd_background_manager_finalize;
-
- g_type_class_add_private (klass, sizeof (MsdBackgroundManagerPrivate));
-}
-
-static void
-msd_background_manager_init (MsdBackgroundManager *manager)
-{
- manager->priv = MSD_BACKGROUND_MANAGER_GET_PRIVATE (manager);
-}
-
-static void
-msd_background_manager_finalize (GObject *object)
-{
- MsdBackgroundManager *background_manager;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (MSD_IS_BACKGROUND_MANAGER (object));
-
- background_manager = MSD_BACKGROUND_MANAGER (object);
-
- g_return_if_fail (background_manager->priv != NULL);
-
- G_OBJECT_CLASS (msd_background_manager_parent_class)->finalize (object);
-}
-
-MsdBackgroundManager *
-msd_background_manager_new (void)
-{
- if (manager_object != NULL) {
- g_object_ref (manager_object);
- } else {
- manager_object = g_object_new (MSD_TYPE_BACKGROUND_MANAGER, NULL);
- g_object_add_weak_pointer (manager_object,
- (gpointer *) &manager_object);
- }
-
- return MSD_BACKGROUND_MANAGER (manager_object);
-}
+//class MsdBackgroundManager
+//{
+ struct MsdBackgroundManagerPrivate {
+ MateConfClient* client;
+ MateBG* bg;
+ guint bg_notify_id;
+ guint timeout_id;
+
+ DBusConnection* dbus_connection;
+ };
+
+ static void
+ msd_background_manager_class_init (MsdBackgroundManagerClass* klass);
+
+ static void
+
+ msd_background_manager_init (MsdBackgroundManager* background_manager);
+
+ static void
+ msd_background_manager_finalize (GObject* object);
+
+ G_DEFINE_TYPE(MsdBackgroundManager, msd_background_manager, G_TYPE_OBJECT)
+
+ static gpointer manager_object = NULL;
+
+ static gboolean
+ caja_is_running (void)
+ {
+ Atom window_id_atom;
+ Window caja_xid;
+ Atom actual_type;
+ int actual_format;
+ unsigned long nitems;
+ unsigned long bytes_after;
+ unsigned char* data;
+ int retval;
+ Atom wmclass_atom;
+ gboolean running;
+ gint error;
+
+ window_id_atom = XInternAtom(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+ "CAJA_DESKTOP_WINDOW_ID", True);
+
+ if (window_id_atom == None)
+ {
+ return FALSE;
+ }
+
+ retval = XGetWindowProperty(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+ GDK_ROOT_WINDOW(),
+ window_id_atom,
+ 0,
+ 1,
+ False,
+ XA_WINDOW,
+ &actual_type,
+ &actual_format,
+ &nitems,
+ &bytes_after,
+ &data);
+
+ if (data != NULL)
+ {
+ caja_xid = *(Window*) data;
+ XFree(data);
+ }
+ else
+ {
+ return FALSE;
+ }
+
+ if (actual_type != XA_WINDOW)
+ {
+ return FALSE;
+ }
+
+ if (actual_format != 32)
+ {
+ return FALSE;
+ }
+
+ wmclass_atom = XInternAtom(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "WM_CLASS", False);
+
+ gdk_error_trap_push();
+
+ retval = XGetWindowProperty(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+ caja_xid,
+ wmclass_atom,
+ 0,
+ 24,
+ False,
+ XA_STRING,
+ &actual_type,
+ &actual_format,
+ &nitems,
+ &bytes_after,
+ &data);
+
+ error = gdk_error_trap_pop();
+
+ if (error == BadWindow)
+ {
+ return FALSE;
+ }
+
+ if (actual_type == XA_STRING &&
+ nitems == 24 &&
+ bytes_after == 0 &&
+ actual_format == 8 &&
+ data != NULL &&
+ !strcmp((char*) data, "desktop_window") &&
+ !strcmp((char*) data + strlen((char*) data) + 1, "Caja"))
+ {
+ running = TRUE;
+ }
+ else
+ {
+ running = FALSE;
+ }
+
+ if (data != NULL)
+ {
+ XFree(data);
+ }
+
+ return running;
+ }
+
+ static void
+ draw_background (MsdBackgroundManager* manager,
+ gboolean use_crossfade)
+ {
+ GdkDisplay* display;
+ int n_screens;
+ int i;
+
+ if (caja_is_running())
+ {
+ return;
+ }
+
+ mate_settings_profile_start(NULL);
+
+ display = gdk_display_get_default();
+ n_screens = gdk_display_get_n_screens(display);
+
+ for (i = 0; i < n_screens; ++i)
+ {
+ GdkScreen* screen;
+ GdkWindow* root_window;
+ GdkPixmap* pixmap;
+
+ screen = gdk_display_get_screen(display, i);
+
+ root_window = gdk_screen_get_root_window(screen);
+
+ pixmap = mate_bg_create_pixmap(manager->priv->bg,
+ root_window,
+ gdk_screen_get_width(screen),
+ gdk_screen_get_height(screen),
+ TRUE);
+
+ /*
+ if (use_crossfade)
+ {
+ MateBGCrossfade* fade;
+
+ fade = mate_bg_set_pixmap_as_root_with_crossfade(screen, pixmap);
+ g_signal_connect(fade,
+ "finished",
+ G_CALLBACK (g_object_unref), NULL);
+ } else {*/
+ mate_bg_set_pixmap_as_root(screen, pixmap);
+ /* }*/
+
+ g_object_unref(pixmap);
+ }
+
+ mate_settings_profile_end(NULL);
+ }
+
+ static void
+ on_bg_changed (MateBG* bg,
+ MsdBackgroundManager* manager)
+ {
+ draw_background(manager, TRUE);
+ }
+
+ static void
+ on_bg_transitioned (MateBG* bg,
+ MsdBackgroundManager* manager)
+ {
+ draw_background(manager, FALSE);
+ }
+
+ static void
+ mateconf_changed_callback (MateConfClient* client,
+ guint cnxn_id,
+ MateConfEntry* entry,
+ MsdBackgroundManager* manager)
+ {
+ mate_bg_load_from_preferences(manager->priv->bg,
+ manager->priv->client);
+ }
+
+ static void
+ watch_bg_preferences (MsdBackgroundManager* manager)
+ {
+ g_assert(manager->priv->bg_notify_id == 0);
+
+ mateconf_client_add_dir(manager->priv->client,
+ MATE_BG_KEY_DIR,
+ MATECONF_CLIENT_PRELOAD_NONE,
+ NULL);
+
+ manager->priv->bg_notify_id = mateconf_client_notify_add(manager->priv->client,
+ MATE_BG_KEY_DIR,
+ (MateConfClientNotifyFunc)mateconf_changed_callback,
+ manager,
+ NULL,
+ NULL);
+ }
+
+ static void
+ setup_bg (MsdBackgroundManager* manager)
+ {
+ g_return_if_fail(manager->priv->bg == NULL);
+
+ manager->priv->bg = mate_bg_new();
+
+ g_signal_connect(manager->priv->bg,
+ "changed",
+ G_CALLBACK(on_bg_changed),
+ manager);
+
+ /*g_signal_connect(manager->priv->bg,
+ "transitioned",
+ G_CALLBACK(on_bg_transitioned),
+ manager);*/
+
+ watch_bg_preferences(manager);
+ mate_bg_load_from_preferences(manager->priv->bg, manager->priv->client);
+ }
+
+ static gboolean
+ queue_draw_background (MsdBackgroundManager* manager)
+ {
+ manager->priv->timeout_id = 0;
+
+ if (caja_is_running())
+ {
+ return FALSE;
+ }
+
+ setup_bg(manager);
+ draw_background(manager, FALSE);
+
+ return FALSE;
+ }
+
+ static DBusHandlerResult
+ on_bus_message (DBusConnection* connection,
+ DBusMessage* message,
+ void* user_data)
+ {
+ MsdBackgroundManager* manager = user_data;
+
+ if (dbus_message_is_signal(message, "org.mate.SessionManager", "SessionRunning"))
+ {
+ /* If the session finishes then check if caja is
+ * running and if not, set the background.
+ *
+ * We wait a few seconds after the session is up
+ * because caja tells the session manager that its
+ * ready before it sets the background.
+ */
+ manager->priv->timeout_id = g_timeout_add_seconds(8,
+ (GSourceFunc) queue_draw_background,
+ manager);
+ dbus_connection_remove_filter(connection,
+ on_bus_message,
+ manager);
+
+ manager->priv->dbus_connection = NULL;
+ }
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ static void
+ draw_background_after_session_loads (MsdBackgroundManager* manager)
+ {
+ DBusConnection* connection;
+
+ connection = dbus_bus_get(DBUS_BUS_SESSION, NULL);
+
+ if (connection == NULL)
+ {
+ return;
+ }
+
+ if (!dbus_connection_add_filter(connection, on_bus_message, manager, NULL))
+ {
+ return;
+ }
+
+ manager->priv->dbus_connection = connection;
+ }
+
+ static void
+ on_screen_size_changed (GdkScreen* screen,
+ MsdBackgroundManager* manager)
+ {
+ gboolean caja_show_desktop;
+
+ caja_show_desktop = mateconf_client_get_bool(manager->priv->client,
+ CAJA_SHOW_DESKTOP_KEY,
+ NULL);
+
+ if (!caja_is_running() || !caja_show_desktop)
+ {
+ if (manager->priv->bg == NULL)
+ {
+ setup_bg(manager);
+ }
+
+ draw_background(manager, FALSE);
+ }
+ }
+
+ static void
+ disconnect_screen_signals (MsdBackgroundManager* manager)
+ {
+ GdkDisplay* display;
+ int i;
+ int n_screens;
+
+ display = gdk_display_get_default();
+ n_screens = gdk_display_get_n_screens(display);
+
+ for (i = 0; i < n_screens; ++i)
+ {
+ GdkScreen *screen;
+
+ screen = gdk_display_get_screen(display, i);
+
+ g_signal_handlers_disconnect_by_func(screen,
+ G_CALLBACK(on_screen_size_changed),
+ manager);
+ }
+ }
+
+ static void
+ connect_screen_signals (MsdBackgroundManager* manager)
+ {
+ GdkDisplay* display;
+ int i;
+ int n_screens;
+
+ display = gdk_display_get_default();
+ n_screens = gdk_display_get_n_screens(display);
+
+ for (i = 0; i < n_screens; ++i)
+ {
+ GdkScreen* screen;
+ screen = gdk_display_get_screen(display, i);
+ g_signal_connect(screen,
+ "monitors-changed",
+ G_CALLBACK(on_screen_size_changed),
+ manager);
+
+ g_signal_connect(screen,
+ "size-changed",
+ G_CALLBACK(on_screen_size_changed),
+ manager);
+ }
+ }
+
+ gboolean
+ msd_background_manager_start (MsdBackgroundManager* manager,
+ GError** error)
+ {
+ gboolean caja_show_desktop;
+
+ g_debug("Starting background manager");
+ mate_settings_profile_start(NULL);
+
+ manager->priv->client = mateconf_client_get_default();
+
+ /* If this is set, caja will draw the background and is
+ * almost definitely in our session. however, it may not be
+ * running yet (so is_caja_running() will fail). so, on
+ * startup, just don't do anything if this key is set so we
+ * don't waste time setting the background only to have
+ * caja overwrite it.
+ */
+ caja_show_desktop = mateconf_client_get_bool(manager->priv->client,
+ CAJA_SHOW_DESKTOP_KEY,
+ NULL);
+
+ if (!caja_show_desktop)
+ {
+ setup_bg(manager);
+ }
+ else
+ {
+ draw_background_after_session_loads(manager);
+ }
+
+ connect_screen_signals(manager);
+
+ mate_settings_profile_end(NULL);
+
+ return TRUE;
+ }
+
+ void
+ msd_background_manager_stop (MsdBackgroundManager* manager)
+ {
+ MsdBackgroundManagerPrivate* p = manager->priv;
+
+ g_debug("Stopping background manager");
+
+ disconnect_screen_signals(manager);
+
+ if (manager->priv->dbus_connection != NULL)
+ {
+ dbus_connection_remove_filter(manager->priv->dbus_connection,
+ on_bus_message,
+ manager);
+ }
+
+ if (manager->priv->bg_notify_id != 0)
+ {
+ mateconf_client_remove_dir(manager->priv->client,
+ MATE_BG_KEY_DIR,
+ NULL);
+ mateconf_client_notify_remove(manager->priv->client,
+ manager->priv->bg_notify_id);
+ manager->priv->bg_notify_id = 0;
+ }
+
+ if (p->client != NULL)
+ {
+ g_object_unref(p->client);
+ p->client = NULL;
+ }
+
+ if (p->timeout_id != 0)
+ {
+ g_source_remove(p->timeout_id);
+ p->timeout_id = 0;
+ }
+
+ if (p->bg != NULL)
+ {
+ g_object_unref(p->bg);
+ p->bg = NULL;
+ }
+ }
+
+ static void
+ msd_background_manager_set_property (GObject* object,
+ guint prop_id,
+ const GValue* value,
+ GParamSpec* pspec)
+ {
+ MsdBackgroundManager* self;
+
+ self = MSD_BACKGROUND_MANAGER(object);
+
+ switch (prop_id)
+ {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+ break;
+ }
+ }
+
+ static void
+ msd_background_manager_get_property (GObject* object,
+ guint prop_id,
+ GValue* value,
+ GParamSpec* pspec)
+ {
+ MsdBackgroundManager* self;
+
+ self = MSD_BACKGROUND_MANAGER(object);
+
+ switch (prop_id)
+ {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+ break;
+ }
+ }
+
+ static GObject*
+ msd_background_manager_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam* construct_properties)
+ {
+ MsdBackgroundManager* background_manager;
+ MsdBackgroundManagerClass* klass;
+
+ klass = MSD_BACKGROUND_MANAGER_CLASS(g_type_class_peek(MSD_TYPE_BACKGROUND_MANAGER));
+
+ background_manager = MSD_BACKGROUND_MANAGER(G_OBJECT_CLASS(msd_background_manager_parent_class)->constructor(type,
+ n_construct_properties,
+ construct_properties));
+ return G_OBJECT(background_manager);
+ }
+
+ static void
+ msd_background_manager_dispose (GObject* object)
+ {
+ MsdBackgroundManager* background_manager;
+
+ background_manager = MSD_BACKGROUND_MANAGER(object);
+
+ G_OBJECT_CLASS(msd_background_manager_parent_class)->dispose(object);
+ }
+
+ static void
+ msd_background_manager_class_init (MsdBackgroundManagerClass* klass)
+ {
+ GObjectClass* object_class = G_OBJECT_CLASS(klass);
+
+ object_class->get_property = msd_background_manager_get_property;
+ object_class->set_property = msd_background_manager_set_property;
+ object_class->constructor = msd_background_manager_constructor;
+ object_class->dispose = msd_background_manager_dispose;
+ object_class->finalize = msd_background_manager_finalize;
+
+ g_type_class_add_private(klass, sizeof(MsdBackgroundManagerPrivate));
+ }
+
+ static void
+ msd_background_manager_init (MsdBackgroundManager* manager)
+ {
+ manager->priv = MSD_BACKGROUND_MANAGER_GET_PRIVATE(manager);
+ }
+
+ static void
+ msd_background_manager_finalize (GObject* object)
+ {
+ MsdBackgroundManager* background_manager;
+
+ g_return_if_fail(object != NULL);
+ g_return_if_fail(MSD_IS_BACKGROUND_MANAGER(object));
+
+ background_manager = MSD_BACKGROUND_MANAGER(object);
+
+ g_return_if_fail(background_manager->priv != NULL);
+
+ G_OBJECT_CLASS(msd_background_manager_parent_class)->finalize(object);
+ }
+
+ MsdBackgroundManager*
+ msd_background_manager_new (void)
+ {
+ if (manager_object != NULL)
+ {
+ g_object_ref(manager_object);
+ }
+ else
+ {
+ manager_object = g_object_new(MSD_TYPE_BACKGROUND_MANAGER, NULL);
+
+ g_object_add_weak_pointer(manager_object, (gpointer*) &manager_object);
+ }
+
+ return MSD_BACKGROUND_MANAGER(manager_object);
+ }
+//}
author	Perberos <[email protected]>	2012-06-05 12:19:54 -0300
committer	Perberos <[email protected]>	2012-06-05 12:19:54 -0300
commit	d22aab3682bdd800f6a6e7c2a0ef6b6cfd8ffe03 (patch)
tree	337dc8c160965ae40e1556f690c244b5e3bec2c7 /plugins/background/msd-background-manager.c
parent	47ab5efee5617d8110b3942512e9370c9367ec89 (diff)
download	mate-settings-daemon-d22aab3682bdd800f6a6e7c2a0ef6b6cfd8ffe03.tar.bz2 mate-settings-daemon-d22aab3682bdd800f6a6e7c2a0ef6b6cfd8ffe03.tar.xz