summaryrefslogtreecommitdiff
path: root/plugins/background/gsd-background-manager.c
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/background/gsd-background-manager.c')
-rw-r--r--plugins/background/gsd-background-manager.c579
1 files changed, 0 insertions, 579 deletions
diff --git a/plugins/background/gsd-background-manager.c b/plugins/background/gsd-background-manager.c
deleted file mode 100644
index 25ab7ec..0000000
--- a/plugins/background/gsd-background-manager.c
+++ /dev/null
@@ -1,579 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
- *
- * Copyright © 2001 Ximian, Inc.
- * Copyright (C) 2007 William Jon McCann <[email protected]>
- * Copyright 2007 Red Hat, Inc.
- *
- * 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 <dbus/dbus.h>
-
-#include <glib.h>
-#include <glib/gi18n.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-#include <mateconf/mateconf-client.h>
-
-#define MATE_DESKTOP_USE_UNSTABLE_API
-#include <libmateui/mate-bg.h>
-#include <X11/Xatom.h>
-
-#include "mate-settings-profile.h"
-#include "msd-background-manager.h"
-
-#define CAJA_SHOW_DESKTOP_KEY "/apps/caja/preferences/show_desktop"
-
-#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);
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 05:44:34 +0000