61577e176e
shell-global had become a dumping ground for functions that didn't have anywhere else to be. Make shell-util the dumping ground instead, and have shell-global only have methods that involve the ShellGlobal object. https://bugzilla.gnome.org/show_bug.cgi?id=648755
1789 lines
55 KiB
C
1789 lines
55 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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#include "config.h"
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#include <X11/extensions/Xfixes.h>
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#include <canberra.h>
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#include <clutter/glx/clutter-glx.h>
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#include <clutter/x11/clutter-x11.h>
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#include <dbus/dbus-glib.h>
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#include <gdk/gdkx.h>
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#include <gio/gio.h>
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#include <gjs/gjs-module.h>
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#include <girepository.h>
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#include <meta/display.h>
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#include <meta/util.h>
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#include "shell-enum-types.h"
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#include "shell-global-private.h"
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#include "shell-jsapi-compat-private.h"
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#include "shell-marshal.h"
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#include "shell-perf-log.h"
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#include "shell-window-tracker.h"
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#include "shell-wm.h"
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#include "st.h"
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static void grab_notify (GtkWidget *widget, gboolean is_grab, gpointer user_data);
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struct _ShellGlobal {
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GObject parent;
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/* We use this window to get a notification from GTK+ when
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* a widget in our process does a GTK+ grab. See
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* http://bugzilla.gnome.org/show_bug.cgi?id=570641
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*
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* This window is never mapped or shown.
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*/
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GtkWindow *grab_notifier;
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gboolean gtk_grab_active;
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ShellStageInputMode input_mode;
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XserverRegion input_region;
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GjsContext *js_context;
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MetaPlugin *plugin;
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ShellWM *wm;
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GSettings *settings;
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const char *datadir;
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const char *imagedir;
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const char *userdatadir;
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StFocusManager *focus_manager;
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GdkWindow *stage_window;
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gint last_change_screen_width, last_change_screen_height;
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guint work_count;
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GSList *leisure_closures;
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guint leisure_function_id;
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/* For sound notifications */
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ca_context *sound_context;
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guint32 xdnd_timestamp;
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};
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enum {
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PROP_0,
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PROP_OVERLAY_GROUP,
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PROP_SCREEN,
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PROP_GDK_SCREEN,
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PROP_SCREEN_WIDTH,
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PROP_SCREEN_HEIGHT,
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PROP_STAGE,
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PROP_STAGE_INPUT_MODE,
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PROP_WINDOW_GROUP,
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PROP_BACKGROUND_ACTOR,
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PROP_WINDOW_MANAGER,
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PROP_SETTINGS,
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PROP_DATADIR,
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PROP_IMAGEDIR,
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PROP_USERDATADIR,
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PROP_FOCUS_MANAGER,
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};
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/* Signals */
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enum
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{
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XDND_POSITION_CHANGED,
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XDND_LEAVE,
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XDND_ENTER,
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NOTIFY_ERROR,
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LAST_SIGNAL
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};
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G_DEFINE_TYPE(ShellGlobal, shell_global, G_TYPE_OBJECT);
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static guint shell_global_signals [LAST_SIGNAL] = { 0 };
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static void
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shell_global_set_property(GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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ShellGlobal *global = SHELL_GLOBAL (object);
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switch (prop_id)
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{
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case PROP_STAGE_INPUT_MODE:
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shell_global_set_stage_input_mode (global, g_value_get_enum (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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shell_global_get_property(GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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ShellGlobal *global = SHELL_GLOBAL (object);
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switch (prop_id)
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{
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case PROP_OVERLAY_GROUP:
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g_value_set_object (value, meta_plugin_get_overlay_group (global->plugin));
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break;
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case PROP_SCREEN:
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g_value_set_object (value, shell_global_get_screen (global));
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break;
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case PROP_GDK_SCREEN:
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g_value_set_object (value, shell_global_get_gdk_screen (global));
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break;
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case PROP_SCREEN_WIDTH:
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{
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int width, height;
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meta_plugin_query_screen_size (global->plugin, &width, &height);
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g_value_set_int (value, width);
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}
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break;
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case PROP_SCREEN_HEIGHT:
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{
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int width, height;
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meta_plugin_query_screen_size (global->plugin, &width, &height);
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g_value_set_int (value, height);
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}
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break;
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case PROP_STAGE:
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g_value_set_object (value, meta_plugin_get_stage (global->plugin));
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break;
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case PROP_STAGE_INPUT_MODE:
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g_value_set_enum (value, global->input_mode);
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break;
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case PROP_WINDOW_GROUP:
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g_value_set_object (value, meta_plugin_get_window_group (global->plugin));
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break;
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case PROP_BACKGROUND_ACTOR:
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g_value_set_object (value, meta_plugin_get_background_actor (global->plugin));
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break;
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case PROP_WINDOW_MANAGER:
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g_value_set_object (value, global->wm);
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break;
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case PROP_SETTINGS:
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g_value_set_object (value, global->settings);
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break;
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case PROP_DATADIR:
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g_value_set_string (value, global->datadir);
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break;
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case PROP_IMAGEDIR:
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g_value_set_string (value, global->imagedir);
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break;
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case PROP_USERDATADIR:
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g_value_set_string (value, global->userdatadir);
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break;
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case PROP_FOCUS_MANAGER:
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g_value_set_object (value, global->focus_manager);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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shell_global_init (ShellGlobal *global)
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{
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const char *datadir = g_getenv ("GNOME_SHELL_DATADIR");
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const char *shell_js = g_getenv("GNOME_SHELL_JS");
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char *imagedir, **search_path;
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if (!datadir)
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datadir = GNOME_SHELL_DATADIR;
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global->datadir = datadir;
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/* We make sure imagedir ends with a '/', since the JS won't have
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* access to g_build_filename() and so will end up just
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* concatenating global.imagedir to a filename.
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*/
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imagedir = g_build_filename (datadir, "images/", NULL);
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if (g_file_test (imagedir, G_FILE_TEST_IS_DIR))
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global->imagedir = imagedir;
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else
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{
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g_free (imagedir);
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global->imagedir = g_strdup_printf ("%s/", datadir);
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}
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/* Ensure config dir exists for later use */
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global->userdatadir = g_build_filename (g_get_user_data_dir (), "gnome-shell", NULL);
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g_mkdir_with_parents (global->userdatadir, 0700);
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global->settings = g_settings_new ("org.gnome.shell");
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global->grab_notifier = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
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g_signal_connect (global->grab_notifier, "grab-notify", G_CALLBACK (grab_notify), global);
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global->gtk_grab_active = FALSE;
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global->stage_window = NULL;
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global->input_mode = SHELL_STAGE_INPUT_MODE_NORMAL;
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global->last_change_screen_width = 0;
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global->last_change_screen_height = 0;
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ca_context_create (&global->sound_context);
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ca_context_change_props (global->sound_context, CA_PROP_APPLICATION_NAME, PACKAGE_NAME, CA_PROP_APPLICATION_ID, "org.gnome.Shell", NULL);
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ca_context_open (global->sound_context);
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if (!shell_js)
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shell_js = JSDIR;
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search_path = g_strsplit (shell_js, ":", -1);
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global->js_context = g_object_new (GJS_TYPE_CONTEXT,
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"search-path", search_path,
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"js-version", "1.8",
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NULL);
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g_strfreev (search_path);
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}
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static void
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shell_global_class_init (ShellGlobalClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->get_property = shell_global_get_property;
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gobject_class->set_property = shell_global_set_property;
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/* Emitted from gnome-shell-plugin.c during event handling */
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shell_global_signals[XDND_POSITION_CHANGED] =
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g_signal_new ("xdnd-position-changed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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_shell_marshal_VOID__INT_INT,
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G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
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/* Emitted from gnome-shell-plugin.c during event handling */
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shell_global_signals[XDND_LEAVE] =
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g_signal_new ("xdnd-leave",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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/* Emitted from gnome-shell-plugin.c during event handling */
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shell_global_signals[XDND_ENTER] =
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g_signal_new ("xdnd-enter",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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shell_global_signals[NOTIFY_ERROR] =
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g_signal_new ("notify-error",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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gi_cclosure_marshal_generic,
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G_TYPE_NONE, 2,
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G_TYPE_STRING,
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G_TYPE_STRING);
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g_object_class_install_property (gobject_class,
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PROP_OVERLAY_GROUP,
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g_param_spec_object ("overlay-group",
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"Overlay Group",
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"Actor holding objects that appear above the desktop contents",
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CLUTTER_TYPE_ACTOR,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_SCREEN,
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g_param_spec_object ("screen",
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"Screen",
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"Metacity screen object for the shell",
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META_TYPE_SCREEN,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_GDK_SCREEN,
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g_param_spec_object ("gdk-screen",
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"GdkScreen",
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"Gdk screen object for the shell",
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GDK_TYPE_SCREEN,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_SCREEN_WIDTH,
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g_param_spec_int ("screen-width",
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"Screen Width",
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"Screen width, in pixels",
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0, G_MAXINT, 1,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_SCREEN_HEIGHT,
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g_param_spec_int ("screen-height",
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"Screen Height",
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"Screen height, in pixels",
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0, G_MAXINT, 1,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_STAGE,
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g_param_spec_object ("stage",
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"Stage",
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"Stage holding the desktop scene graph",
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CLUTTER_TYPE_ACTOR,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_STAGE_INPUT_MODE,
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g_param_spec_enum ("stage-input-mode",
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"Stage input mode",
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"The stage input mode",
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SHELL_TYPE_STAGE_INPUT_MODE,
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SHELL_STAGE_INPUT_MODE_NORMAL,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_WINDOW_GROUP,
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g_param_spec_object ("window-group",
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"Window Group",
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"Actor holding window actors",
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CLUTTER_TYPE_ACTOR,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_BACKGROUND_ACTOR,
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g_param_spec_object ("background-actor",
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"Background Actor",
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"Actor drawing root window background",
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CLUTTER_TYPE_ACTOR,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_WINDOW_MANAGER,
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g_param_spec_object ("window-manager",
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"Window Manager",
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"Window management interface",
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SHELL_TYPE_WM,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_SETTINGS,
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g_param_spec_object ("settings",
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"Settings",
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"GSettings instance for gnome-shell configuration",
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G_TYPE_SETTINGS,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_DATADIR,
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g_param_spec_string ("datadir",
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"Data directory",
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"Directory containing gnome-shell data files",
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NULL,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_IMAGEDIR,
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g_param_spec_string ("imagedir",
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"Image directory",
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"Directory containing gnome-shell image files",
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NULL,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_USERDATADIR,
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g_param_spec_string ("userdatadir",
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"User data directory",
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"Directory containing gnome-shell user data",
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NULL,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_FOCUS_MANAGER,
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g_param_spec_object ("focus-manager",
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"Focus manager",
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"The shell's StFocusManager",
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ST_TYPE_FOCUS_MANAGER,
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G_PARAM_READABLE));
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}
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/**
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* shell_global_get:
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*
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* Gets the singleton global object that represents the desktop.
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*
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* Return value: (transfer none): the singleton global object
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*/
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ShellGlobal *
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shell_global_get (void)
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{
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static ShellGlobal *the_object = NULL;
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if (!the_object)
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the_object = g_object_new (SHELL_TYPE_GLOBAL, 0);
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return the_object;
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}
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static void
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focus_window_changed (MetaDisplay *display,
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GParamSpec *param,
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gpointer user_data)
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{
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ShellGlobal *global = user_data;
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if (global->input_mode == SHELL_STAGE_INPUT_MODE_FOCUSED &&
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meta_display_get_focus_window (display) != NULL)
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shell_global_set_stage_input_mode (global, SHELL_STAGE_INPUT_MODE_NORMAL);
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}
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static void
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shell_global_focus_stage (ShellGlobal *global)
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{
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Display *xdpy;
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ClutterActor *stage;
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Window xstage;
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stage = meta_plugin_get_stage (global->plugin);
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xstage = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
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xdpy = meta_plugin_get_xdisplay (global->plugin);
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XSetInputFocus (xdpy, xstage, RevertToPointerRoot,
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shell_global_get_current_time (global));
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}
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|
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/**
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* shell_global_set_stage_input_mode:
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* @global: the #ShellGlobal
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* @mode: the stage input mode
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*
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* Sets the input mode of the stage; when @mode is
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* %SHELL_STAGE_INPUT_MODE_NONREACTIVE, then the stage does not absorb
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* any clicks, but just passes them through to underlying windows.
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* When it is %SHELL_STAGE_INPUT_MODE_NORMAL, then the stage accepts
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* clicks in the region defined by
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* shell_global_set_stage_input_region() but passes through clicks
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* outside that region. When it is %SHELL_STAGE_INPUT_MODE_FULLSCREEN,
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* the stage absorbs all input.
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*
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* When the input mode is %SHELL_STAGE_INPUT_MODE_FOCUSED, the pointer
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* is handled as with %SHELL_STAGE_INPUT_MODE_NORMAL, but additionally
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* the stage window has the keyboard focus. If the stage loses the
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* focus (eg, because the user clicked into a window) the input mode
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* will revert to %SHELL_STAGE_INPUT_MODE_NORMAL.
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*
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* Note that whenever a mutter-internal Gtk widget has a pointer grab,
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* the shell behaves as though it was in
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* %SHELL_STAGE_INPUT_MODE_NONREACTIVE, to ensure that the widget gets
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* any clicks it is expecting.
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*/
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void
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shell_global_set_stage_input_mode (ShellGlobal *global,
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ShellStageInputMode mode)
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{
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g_return_if_fail (SHELL_IS_GLOBAL (global));
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if (mode == SHELL_STAGE_INPUT_MODE_NONREACTIVE || global->gtk_grab_active)
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meta_plugin_set_stage_reactive (global->plugin, FALSE);
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else if (mode == SHELL_STAGE_INPUT_MODE_FULLSCREEN || !global->input_region)
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meta_plugin_set_stage_reactive (global->plugin, TRUE);
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else
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meta_plugin_set_stage_input_region (global->plugin, global->input_region);
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if (mode == SHELL_STAGE_INPUT_MODE_FOCUSED)
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shell_global_focus_stage (global);
|
|
|
|
if (mode != global->input_mode)
|
|
{
|
|
global->input_mode = mode;
|
|
g_object_notify (G_OBJECT (global), "stage-input-mode");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* shell_global_set_cursor:
|
|
* @global: A #ShellGlobal
|
|
* @type: the type of the cursor
|
|
*
|
|
* Set the cursor on the stage window.
|
|
*/
|
|
void
|
|
shell_global_set_cursor (ShellGlobal *global,
|
|
ShellCursor type)
|
|
{
|
|
const char *name;
|
|
GdkCursor *cursor;
|
|
|
|
switch (type)
|
|
{
|
|
case SHELL_CURSOR_DND_IN_DRAG:
|
|
name = "dnd-none";
|
|
break;
|
|
case SHELL_CURSOR_DND_MOVE:
|
|
name = "dnd-move";
|
|
break;
|
|
case SHELL_CURSOR_DND_COPY:
|
|
name = "dnd-copy";
|
|
break;
|
|
case SHELL_CURSOR_DND_UNSUPPORTED_TARGET:
|
|
name = "dnd-none";
|
|
break;
|
|
case SHELL_CURSOR_POINTING_HAND:
|
|
name = "hand";
|
|
break;
|
|
default:
|
|
g_return_if_reached ();
|
|
}
|
|
|
|
cursor = gdk_cursor_new_from_name (gdk_display_get_default (), name);
|
|
if (!cursor)
|
|
{
|
|
GdkCursorType cursor_type;
|
|
switch (type)
|
|
{
|
|
case SHELL_CURSOR_DND_IN_DRAG:
|
|
cursor_type = GDK_FLEUR;
|
|
break;
|
|
case SHELL_CURSOR_DND_MOVE:
|
|
cursor_type = GDK_TARGET;
|
|
break;
|
|
case SHELL_CURSOR_DND_COPY:
|
|
cursor_type = GDK_PLUS;
|
|
break;
|
|
case SHELL_CURSOR_POINTING_HAND:
|
|
cursor_type = GDK_HAND2;
|
|
case SHELL_CURSOR_DND_UNSUPPORTED_TARGET:
|
|
cursor_type = GDK_X_CURSOR;
|
|
break;
|
|
default:
|
|
g_return_if_reached ();
|
|
}
|
|
cursor = gdk_cursor_new (cursor_type);
|
|
}
|
|
if (!global->stage_window)
|
|
{
|
|
ClutterStage *stage = CLUTTER_STAGE (meta_plugin_get_stage (global->plugin));
|
|
|
|
global->stage_window = gdk_x11_window_foreign_new_for_display (gdk_display_get_default (),
|
|
clutter_x11_get_stage_window (stage));
|
|
}
|
|
|
|
gdk_window_set_cursor (global->stage_window, cursor);
|
|
|
|
gdk_cursor_unref (cursor);
|
|
}
|
|
|
|
/**
|
|
* shell_global_unset_cursor:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Unset the cursor on the stage window.
|
|
*/
|
|
void
|
|
shell_global_unset_cursor (ShellGlobal *global)
|
|
{
|
|
if (!global->stage_window) /* cursor has never been set */
|
|
return;
|
|
|
|
gdk_window_set_cursor (global->stage_window, NULL);
|
|
}
|
|
|
|
/**
|
|
* shell_global_set_stage_input_region:
|
|
* @global: the #ShellGlobal
|
|
* @rectangles: (element-type Meta.Rectangle): a list of #MetaRectangle
|
|
* describing the input region.
|
|
*
|
|
* Sets the area of the stage that is responsive to mouse clicks when
|
|
* the stage mode is %SHELL_STAGE_INPUT_MODE_NORMAL (but does not change the
|
|
* current stage mode).
|
|
*/
|
|
void
|
|
shell_global_set_stage_input_region (ShellGlobal *global,
|
|
GSList *rectangles)
|
|
{
|
|
MetaScreen *screen = meta_plugin_get_screen (global->plugin);
|
|
MetaDisplay *display = meta_screen_get_display (screen);
|
|
Display *xdpy = meta_display_get_xdisplay (display);
|
|
MetaRectangle *rect;
|
|
XRectangle *rects;
|
|
int nrects, i;
|
|
GSList *r;
|
|
|
|
g_return_if_fail (SHELL_IS_GLOBAL (global));
|
|
|
|
nrects = g_slist_length (rectangles);
|
|
rects = g_new (XRectangle, nrects);
|
|
for (r = rectangles, i = 0; r; r = r->next, i++)
|
|
{
|
|
rect = (MetaRectangle *)r->data;
|
|
rects[i].x = rect->x;
|
|
rects[i].y = rect->y;
|
|
rects[i].width = rect->width;
|
|
rects[i].height = rect->height;
|
|
}
|
|
|
|
if (global->input_region)
|
|
XFixesDestroyRegion (xdpy, global->input_region);
|
|
|
|
global->input_region = XFixesCreateRegion (xdpy, rects, nrects);
|
|
g_free (rects);
|
|
|
|
/* set_stage_input_mode() will figure out whether or not we
|
|
* should actually change the input region right now.
|
|
*/
|
|
shell_global_set_stage_input_mode (global, global->input_mode);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_screen:
|
|
*
|
|
* Return value: (transfer none): The default #MetaScreen
|
|
*/
|
|
MetaScreen *
|
|
shell_global_get_screen (ShellGlobal *global)
|
|
{
|
|
return meta_plugin_get_screen (global->plugin);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_gdk_screen:
|
|
*
|
|
* Return value: (transfer none): Gdk screen object for the shell
|
|
*/
|
|
GdkScreen *
|
|
shell_global_get_gdk_screen (ShellGlobal *global)
|
|
{
|
|
g_return_val_if_fail (SHELL_IS_GLOBAL (global), NULL);
|
|
|
|
return gdk_screen_get_default ();
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_window_actors:
|
|
*
|
|
* Gets the list of #MetaWindowActor for the plugin's screen
|
|
*
|
|
* Return value: (element-type Meta.WindowActor) (transfer none): the list of windows
|
|
*/
|
|
GList *
|
|
shell_global_get_window_actors (ShellGlobal *global)
|
|
{
|
|
g_return_val_if_fail (SHELL_IS_GLOBAL (global), NULL);
|
|
|
|
return meta_plugin_get_window_actors (global->plugin);
|
|
}
|
|
|
|
static gboolean
|
|
update_screen_size (gpointer data)
|
|
{
|
|
int width, height;
|
|
ShellGlobal *global = SHELL_GLOBAL (data);
|
|
|
|
meta_plugin_query_screen_size (global->plugin, &width, &height);
|
|
|
|
if (global->last_change_screen_width == width && global->last_change_screen_height == height)
|
|
return FALSE;
|
|
|
|
global->last_change_screen_width = width;
|
|
global->last_change_screen_height = height;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
global_stage_notify_width (GObject *gobject,
|
|
GParamSpec *pspec,
|
|
gpointer data)
|
|
{
|
|
ShellGlobal *global = SHELL_GLOBAL (data);
|
|
|
|
g_object_notify (G_OBJECT (global), "screen-width");
|
|
|
|
meta_later_add (META_LATER_BEFORE_REDRAW,
|
|
update_screen_size,
|
|
global,
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
global_stage_notify_height (GObject *gobject,
|
|
GParamSpec *pspec,
|
|
gpointer data)
|
|
{
|
|
ShellGlobal *global = SHELL_GLOBAL (data);
|
|
|
|
g_object_notify (G_OBJECT (global), "screen-height");
|
|
|
|
meta_later_add (META_LATER_BEFORE_REDRAW,
|
|
update_screen_size,
|
|
global,
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
global_stage_before_paint (ClutterStage *stage,
|
|
ShellGlobal *global)
|
|
{
|
|
shell_perf_log_event (shell_perf_log_get_default (),
|
|
"clutter.stagePaintStart");
|
|
}
|
|
|
|
static void
|
|
global_stage_after_paint (ClutterStage *stage,
|
|
ShellGlobal *global)
|
|
{
|
|
shell_perf_log_event (shell_perf_log_get_default (),
|
|
"clutter.stagePaintDone");
|
|
}
|
|
|
|
void
|
|
_shell_global_set_plugin (ShellGlobal *global,
|
|
MetaPlugin *plugin)
|
|
{
|
|
ClutterActor *stage;
|
|
MetaScreen *screen;
|
|
MetaDisplay *display;
|
|
|
|
g_return_if_fail (SHELL_IS_GLOBAL (global));
|
|
g_return_if_fail (global->plugin == NULL);
|
|
|
|
global->plugin = plugin;
|
|
global->wm = shell_wm_new (plugin);
|
|
|
|
stage = meta_plugin_get_stage (plugin);
|
|
|
|
g_signal_connect (stage, "notify::width",
|
|
G_CALLBACK (global_stage_notify_width), global);
|
|
g_signal_connect (stage, "notify::height",
|
|
G_CALLBACK (global_stage_notify_height), global);
|
|
update_screen_size (global);
|
|
|
|
g_signal_connect (stage, "paint",
|
|
G_CALLBACK (global_stage_before_paint), global);
|
|
g_signal_connect_after (stage, "paint",
|
|
G_CALLBACK (global_stage_after_paint), global);
|
|
|
|
shell_perf_log_define_event (shell_perf_log_get_default(),
|
|
"clutter.stagePaintStart",
|
|
"Start of stage page repaint",
|
|
"");
|
|
shell_perf_log_define_event (shell_perf_log_get_default(),
|
|
"clutter.stagePaintDone",
|
|
"End of stage page repaint",
|
|
"");
|
|
|
|
screen = meta_plugin_get_screen (global->plugin);
|
|
display = meta_screen_get_display (screen);
|
|
g_signal_connect (display, "notify::focus-window",
|
|
G_CALLBACK (focus_window_changed), global);
|
|
|
|
global->focus_manager = st_focus_manager_get_for_stage (CLUTTER_STAGE (stage));
|
|
}
|
|
|
|
GjsContext *
|
|
_shell_global_get_gjs_context (ShellGlobal *global)
|
|
{
|
|
return global->js_context;
|
|
}
|
|
|
|
/**
|
|
* shell_global_begin_modal:
|
|
* @global: a #ShellGlobal
|
|
*
|
|
* Grabs the keyboard and mouse to the stage window. The stage will
|
|
* receive all keyboard and mouse events until shell_global_end_modal()
|
|
* is called. This is used to implement "modes" for the shell, such as the
|
|
* overview mode or the "looking glass" debug overlay, that block
|
|
* application and normal key shortcuts.
|
|
*
|
|
* Returns value: %TRUE if we succesfully entered the mode. %FALSE if we couldn't
|
|
* enter the mode. Failure may occur because an application has the pointer
|
|
* or keyboard grabbed, because Mutter is in a mode itself like moving a
|
|
* window or alt-Tab window selection, or because shell_global_begin_modal()
|
|
* was previouly called.
|
|
*/
|
|
gboolean
|
|
shell_global_begin_modal (ShellGlobal *global,
|
|
guint32 timestamp)
|
|
{
|
|
ClutterStage *stage = CLUTTER_STAGE (meta_plugin_get_stage (global->plugin));
|
|
Window stagewin = clutter_x11_get_stage_window (stage);
|
|
|
|
return meta_plugin_begin_modal (global->plugin, stagewin, None, 0, timestamp);
|
|
}
|
|
|
|
/**
|
|
* shell_global_end_modal:
|
|
* @global: a #ShellGlobal
|
|
*
|
|
* Undoes the effect of shell_global_begin_modal().
|
|
*/
|
|
void
|
|
shell_global_end_modal (ShellGlobal *global,
|
|
guint32 timestamp)
|
|
{
|
|
meta_plugin_end_modal (global->plugin, timestamp);
|
|
}
|
|
|
|
/**
|
|
* shell_global_create_pointer_barrier
|
|
* @global: a #ShellGlobal
|
|
* @x1: left X coordinate
|
|
* @y1: top Y coordinate
|
|
* @x2: right X coordinate
|
|
* @y2: bottom Y coordinate
|
|
* @directions: The directions we're allowed to pass through
|
|
*
|
|
* If supported by X creates a pointer barrier.
|
|
*
|
|
* Return value: value you can pass to shell_global_destroy_pointer_barrier()
|
|
*/
|
|
guint32
|
|
shell_global_create_pointer_barrier (ShellGlobal *global,
|
|
int x1, int y1, int x2, int y2,
|
|
int directions)
|
|
{
|
|
#if HAVE_XFIXESCREATEPOINTERBARRIER
|
|
Display *xdpy;
|
|
|
|
xdpy = meta_plugin_get_xdisplay (global->plugin);
|
|
|
|
return (guint32)
|
|
XFixesCreatePointerBarrier (xdpy, DefaultRootWindow(xdpy),
|
|
x1, y1,
|
|
x2, y2,
|
|
directions,
|
|
0, NULL);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* shell_global_destroy_pointer_barrier
|
|
* @global: a #ShellGlobal
|
|
* @barrier: a pointer barrier
|
|
*
|
|
* Destroys the @barrier created by shell_global_create_pointer_barrier().
|
|
*/
|
|
void
|
|
shell_global_destroy_pointer_barrier (ShellGlobal *global, guint32 barrier)
|
|
{
|
|
#if HAVE_XFIXESCREATEPOINTERBARRIER
|
|
Display *xdpy;
|
|
|
|
g_return_if_fail (barrier > 0);
|
|
|
|
xdpy = meta_plugin_get_xdisplay (global->plugin);
|
|
XFixesDestroyPointerBarrier (xdpy, (PointerBarrier)barrier);
|
|
#endif
|
|
}
|
|
|
|
|
|
/**
|
|
* shell_global_add_extension_importer:
|
|
* @target_object_script: JavaScript code evaluating to a target object
|
|
* @target_property: Name of property to use for importer
|
|
* @directory: Source directory:
|
|
* @error: A #GError
|
|
*
|
|
* This function sets a property named @target_property on the object
|
|
* resulting from the evaluation of @target_object_script code, which
|
|
* acts as a GJS importer for directory @directory.
|
|
*
|
|
* Returns: %TRUE on success
|
|
*/
|
|
gboolean
|
|
shell_global_add_extension_importer (ShellGlobal *global,
|
|
const char *target_object_script,
|
|
const char *target_property,
|
|
const char *directory,
|
|
GError **error)
|
|
{
|
|
jsval target_object;
|
|
JSContext *context = gjs_context_get_native_context (global->js_context);
|
|
char *search_path[2] = { 0, 0 };
|
|
|
|
JS_BeginRequest (context);
|
|
|
|
// This is a bit of a hack; ideally we'd be able to pass our target
|
|
// object directly into this function, but introspection doesn't
|
|
// support that at the moment. Instead evaluate a string to get it.
|
|
if (!JS_EvaluateScript(context,
|
|
JS_GetGlobalObject(context),
|
|
target_object_script,
|
|
strlen (target_object_script),
|
|
"<target_object_script>",
|
|
0,
|
|
&target_object))
|
|
{
|
|
char *message;
|
|
gjs_log_exception(context,
|
|
&message);
|
|
g_set_error(error,
|
|
G_IO_ERROR,
|
|
G_IO_ERROR_FAILED,
|
|
"%s", message ? message : "(unknown)");
|
|
g_free(message);
|
|
goto out_error;
|
|
}
|
|
|
|
if (!JSVAL_IS_OBJECT (target_object))
|
|
{
|
|
g_error ("shell_global_add_extension_importer: invalid target object");
|
|
goto out_error;
|
|
}
|
|
|
|
search_path[0] = (char*)directory;
|
|
gjs_define_importer (context, JSVAL_TO_OBJECT (target_object), target_property, (const char **)search_path, FALSE);
|
|
JS_EndRequest (context);
|
|
return TRUE;
|
|
out_error:
|
|
JS_EndRequest (context);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Code to close all file descriptors before we exec; copied from gspawn.c in GLib.
|
|
*
|
|
* Authors: Padraig O'Briain, Matthias Clasen, Lennart Poettering
|
|
*
|
|
* http://bugzilla.gnome.org/show_bug.cgi?id=469231
|
|
* http://bugzilla.gnome.org/show_bug.cgi?id=357585
|
|
*/
|
|
|
|
static int
|
|
set_cloexec (void *data, gint fd)
|
|
{
|
|
if (fd >= GPOINTER_TO_INT (data))
|
|
fcntl (fd, F_SETFD, FD_CLOEXEC);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef HAVE_FDWALK
|
|
static int
|
|
fdwalk (int (*cb)(void *data, int fd), void *data)
|
|
{
|
|
gint open_max;
|
|
gint fd;
|
|
gint res = 0;
|
|
|
|
#ifdef HAVE_SYS_RESOURCE_H
|
|
struct rlimit rl;
|
|
#endif
|
|
|
|
#ifdef __linux__
|
|
DIR *d;
|
|
|
|
if ((d = opendir("/proc/self/fd"))) {
|
|
struct dirent *de;
|
|
|
|
while ((de = readdir(d))) {
|
|
glong l;
|
|
gchar *e = NULL;
|
|
|
|
if (de->d_name[0] == '.')
|
|
continue;
|
|
|
|
errno = 0;
|
|
l = strtol(de->d_name, &e, 10);
|
|
if (errno != 0 || !e || *e)
|
|
continue;
|
|
|
|
fd = (gint) l;
|
|
|
|
if ((glong) fd != l)
|
|
continue;
|
|
|
|
if (fd == dirfd(d))
|
|
continue;
|
|
|
|
if ((res = cb (data, fd)) != 0)
|
|
break;
|
|
}
|
|
|
|
closedir(d);
|
|
return res;
|
|
}
|
|
|
|
/* If /proc is not mounted or not accessible we fall back to the old
|
|
* rlimit trick */
|
|
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_RESOURCE_H
|
|
if (getrlimit(RLIMIT_NOFILE, &rl) == 0 && rl.rlim_max != RLIM_INFINITY)
|
|
open_max = rl.rlim_max;
|
|
else
|
|
#endif
|
|
open_max = sysconf (_SC_OPEN_MAX);
|
|
|
|
for (fd = 0; fd < open_max; fd++)
|
|
if ((res = cb (data, fd)) != 0)
|
|
break;
|
|
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
pre_exec_close_fds(void)
|
|
{
|
|
fdwalk (set_cloexec, GINT_TO_POINTER(3));
|
|
}
|
|
|
|
/**
|
|
* shell_global_reexec_self:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Restart the current process. Only intended for development purposes.
|
|
*/
|
|
void
|
|
shell_global_reexec_self (ShellGlobal *global)
|
|
{
|
|
GPtrArray *arr;
|
|
gsize len;
|
|
char *buf;
|
|
char *buf_p;
|
|
char *buf_end;
|
|
GError *error = NULL;
|
|
|
|
/* Linux specific (I think, anyways). */
|
|
if (!g_file_get_contents ("/proc/self/cmdline", &buf, &len, &error))
|
|
{
|
|
g_warning ("failed to get /proc/self/cmdline: %s", error->message);
|
|
return;
|
|
}
|
|
|
|
buf_end = buf+len;
|
|
arr = g_ptr_array_new ();
|
|
/* The cmdline file is NUL-separated */
|
|
for (buf_p = buf; buf_p < buf_end; buf_p = buf_p + strlen (buf_p) + 1)
|
|
g_ptr_array_add (arr, buf_p);
|
|
|
|
g_ptr_array_add (arr, NULL);
|
|
|
|
/* Close all file descriptors other than stdin/stdout/stderr, otherwise
|
|
* they will leak and stay open after the exec. In particular, this is
|
|
* important for file descriptors that represent mapped graphics buffer
|
|
* objects.
|
|
*/
|
|
pre_exec_close_fds ();
|
|
|
|
execvp (arr->pdata[0], (char**)arr->pdata);
|
|
g_warning ("failed to reexec: %s", g_strerror (errno));
|
|
g_ptr_array_free (arr, TRUE);
|
|
}
|
|
|
|
/**
|
|
* shell_global_gc:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Start a garbage collection process. For more information, see
|
|
* https://developer.mozilla.org/En/JS_GC
|
|
*/
|
|
void
|
|
shell_global_gc (ShellGlobal *global)
|
|
{
|
|
JSContext *context = gjs_context_get_native_context (global->js_context);
|
|
|
|
JS_GC (context);
|
|
}
|
|
|
|
/**
|
|
* shell_global_maybe_gc:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Start a garbage collection process when it would free up enough memory
|
|
* to be worth the amount of time it would take
|
|
* https://developer.mozilla.org/en/SpiderMonkey/JSAPI_Reference/JS_MaybeGC
|
|
*/
|
|
void
|
|
shell_global_maybe_gc (ShellGlobal *global)
|
|
{
|
|
gjs_context_maybe_gc (global->js_context);
|
|
}
|
|
|
|
/**
|
|
* shell_global_notify_error:
|
|
* @global: a #ShellGlobal
|
|
* @msg: Error message
|
|
* @details: Error details
|
|
*
|
|
* Show a system error notification. Use this function
|
|
* when a user-initiated action results in a non-fatal problem
|
|
* from causes that may not be under system control. For
|
|
* example, an application crash.
|
|
*/
|
|
void
|
|
shell_global_notify_error (ShellGlobal *global,
|
|
const char *msg,
|
|
const char *details)
|
|
{
|
|
g_signal_emit_by_name (global, "notify-error", msg, details);
|
|
}
|
|
|
|
static void
|
|
grab_notify (GtkWidget *widget, gboolean was_grabbed, gpointer user_data)
|
|
{
|
|
ShellGlobal *global = SHELL_GLOBAL (user_data);
|
|
|
|
global->gtk_grab_active = !was_grabbed;
|
|
|
|
/* Update for the new setting of gtk_grab_active */
|
|
shell_global_set_stage_input_mode (global, global->input_mode);
|
|
}
|
|
|
|
/**
|
|
* shell_global_init_xdnd:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Enables tracking of Xdnd events
|
|
*/
|
|
void shell_global_init_xdnd (ShellGlobal *global)
|
|
{
|
|
long xdnd_version = 5;
|
|
|
|
MetaScreen *screen = shell_global_get_screen (global);
|
|
Window output_window = meta_get_overlay_window (screen);
|
|
|
|
MetaDisplay *display = meta_screen_get_display (screen);
|
|
Display *xdisplay = meta_display_get_xdisplay (display);
|
|
|
|
ClutterStage *stage = CLUTTER_STAGE(meta_plugin_get_stage (global->plugin));
|
|
Window stage_win = clutter_x11_get_stage_window (stage);
|
|
|
|
XChangeProperty (xdisplay, stage_win, gdk_x11_get_xatom_by_name ("XdndAware"), XA_ATOM,
|
|
32, PropModeReplace, (const unsigned char *)&xdnd_version, 1);
|
|
|
|
XChangeProperty (xdisplay, output_window, gdk_x11_get_xatom_by_name ("XdndProxy"), XA_WINDOW,
|
|
32, PropModeReplace, (const unsigned char *)&stage_win, 1);
|
|
|
|
/*
|
|
* XdndProxy is additionally set on the proxy window as verification that the
|
|
* XdndProxy property on the target window isn't a left-over
|
|
*/
|
|
XChangeProperty (xdisplay, stage_win, gdk_x11_get_xatom_by_name ("XdndProxy"), XA_WINDOW,
|
|
32, PropModeReplace, (const unsigned char *)&stage_win, 1);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_monitors:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Gets a list of the bounding boxes of the active screen's monitors.
|
|
*
|
|
* Return value: (transfer full) (element-type Meta.Rectangle): a list
|
|
* of monitor bounding boxes.
|
|
*/
|
|
GSList *
|
|
shell_global_get_monitors (ShellGlobal *global)
|
|
{
|
|
MetaScreen *screen = shell_global_get_screen (global);
|
|
GSList *monitors = NULL;
|
|
MetaRectangle rect;
|
|
int i;
|
|
|
|
for (i = meta_screen_get_n_monitors (screen) - 1; i >= 0; i--)
|
|
{
|
|
meta_screen_get_monitor_geometry (screen, i, &rect);
|
|
monitors = g_slist_prepend (monitors,
|
|
meta_rectangle_copy (&rect));
|
|
}
|
|
return monitors;
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_primary_monitor:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Gets the bounding box of the primary monitor (the one that the
|
|
* panel is on).
|
|
*
|
|
* Return value: the bounding box of the primary monitor
|
|
*/
|
|
MetaRectangle *
|
|
shell_global_get_primary_monitor (ShellGlobal *global)
|
|
{
|
|
MetaScreen *screen = shell_global_get_screen (global);
|
|
MetaRectangle rect;
|
|
gint primary = 0;
|
|
|
|
primary = meta_screen_get_primary_monitor (screen);
|
|
meta_screen_get_monitor_geometry (screen, primary, &rect);
|
|
|
|
return meta_rectangle_copy (&rect);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_primary_monitor_index:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Gets the index of the primary monitor (the one that the
|
|
* panel is on).
|
|
*
|
|
* Return value: the index of the primary monitor
|
|
*/
|
|
int
|
|
shell_global_get_primary_monitor_index (ShellGlobal *global)
|
|
{
|
|
MetaScreen *screen = shell_global_get_screen (global);
|
|
|
|
return meta_screen_get_primary_monitor (screen);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_focus_monitor:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Gets the bounding box of the monitor containing the window that
|
|
* currently contains the keyboard focus.
|
|
*
|
|
* Return value: the bounding box of the focus monitor
|
|
*/
|
|
MetaRectangle *
|
|
shell_global_get_focus_monitor (ShellGlobal *global)
|
|
{
|
|
MetaScreen *screen = shell_global_get_screen (global);
|
|
MetaDisplay *display = meta_screen_get_display (screen);
|
|
MetaWindow *focus = meta_display_get_focus_window (display);
|
|
MetaRectangle rect, wrect;
|
|
int nmonitors, i;
|
|
|
|
if (focus)
|
|
{
|
|
meta_window_get_outer_rect (focus, &wrect);
|
|
nmonitors = meta_screen_get_n_monitors (screen);
|
|
|
|
/* Find the monitor that the top-left corner of @focus is on. */
|
|
for (i = 0; i < nmonitors; i++)
|
|
{
|
|
meta_screen_get_monitor_geometry (screen, i, &rect);
|
|
|
|
if (rect.x <= wrect.x && rect.y <= wrect.y &&
|
|
rect.x + rect.width > wrect.x &&
|
|
rect.y + rect.height > wrect.y)
|
|
return meta_rectangle_copy (&rect);
|
|
}
|
|
}
|
|
|
|
return shell_global_get_primary_monitor (global);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_pointer:
|
|
* @global: the #ShellGlobal
|
|
* @x: (out): the X coordinate of the pointer, in global coordinates
|
|
* @y: (out): the Y coordinate of the pointer, in global coordinates
|
|
* @mods: (out): the current set of modifier keys that are pressed down
|
|
*
|
|
* Gets the pointer coordinates and current modifier key state.
|
|
* This is a wrapper around gdk_display_get_pointer() that strips
|
|
* out any un-declared modifier flags, to make gjs happy; see
|
|
* https://bugzilla.gnome.org/show_bug.cgi?id=597292.
|
|
*/
|
|
void
|
|
shell_global_get_pointer (ShellGlobal *global,
|
|
int *x,
|
|
int *y,
|
|
ClutterModifierType *mods)
|
|
{
|
|
GdkModifierType raw_mods;
|
|
|
|
gdk_display_get_pointer (gdk_display_get_default (), NULL, x, y, &raw_mods);
|
|
*mods = raw_mods & GDK_MODIFIER_MASK;
|
|
}
|
|
|
|
/**
|
|
* shell_global_sync_pointer:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Ensures that clutter is aware of the current pointer position,
|
|
* causing enter and leave events to be emitted if the pointer moved
|
|
* behind our back (ie, during a pointer grab).
|
|
*/
|
|
void
|
|
shell_global_sync_pointer (ShellGlobal *global)
|
|
{
|
|
int x, y;
|
|
GdkModifierType mods;
|
|
ClutterMotionEvent event;
|
|
|
|
gdk_display_get_pointer (gdk_display_get_default (), NULL, &x, &y, &mods);
|
|
|
|
event.type = CLUTTER_MOTION;
|
|
event.time = shell_global_get_current_time (global);
|
|
event.flags = 0;
|
|
/* This is wrong: we should be setting event.stage to NULL if the
|
|
* pointer is not inside the bounds of the stage given the current
|
|
* stage_input_mode. For our current purposes however, this works.
|
|
*/
|
|
event.stage = CLUTTER_STAGE (meta_plugin_get_stage (global->plugin));
|
|
event.x = x;
|
|
event.y = y;
|
|
event.modifier_state = mods;
|
|
event.axes = NULL;
|
|
event.device = clutter_device_manager_get_core_device (clutter_device_manager_get_default (),
|
|
CLUTTER_POINTER_DEVICE);
|
|
|
|
/* Leaving event.source NULL will force clutter to look it up, which
|
|
* will generate enter/leave events as a side effect, if they are
|
|
* needed. We need a better way to do this though... see
|
|
* http://bugzilla.clutter-project.org/show_bug.cgi?id=2615.
|
|
*/
|
|
event.source = NULL;
|
|
|
|
clutter_event_put ((ClutterEvent *)&event);
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_settings:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Get the global GSettings instance.
|
|
*
|
|
* Return value: (transfer none): The GSettings object
|
|
*/
|
|
GSettings *
|
|
shell_global_get_settings (ShellGlobal *global)
|
|
{
|
|
return global->settings;
|
|
}
|
|
|
|
/**
|
|
* shell_global_get_current_time:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Returns: the current X server time from the current Clutter, Gdk, or X
|
|
* event. If called from outside an event handler, this may return
|
|
* %Clutter.CURRENT_TIME (aka 0), or it may return a slightly
|
|
* out-of-date timestamp.
|
|
*/
|
|
guint32
|
|
shell_global_get_current_time (ShellGlobal *global)
|
|
{
|
|
guint32 time;
|
|
MetaDisplay *display;
|
|
const ClutterEvent *clutter_event;
|
|
|
|
/* In case we have a xdnd timestamp use it */
|
|
if (global->xdnd_timestamp != 0)
|
|
return global->xdnd_timestamp;
|
|
|
|
/* meta_display_get_current_time() will return the correct time
|
|
when handling an X or Gdk event, but will return CurrentTime
|
|
from some Clutter event callbacks.
|
|
|
|
clutter_get_current_event_time() will return the correct time
|
|
from a Clutter event callback, but may return an out-of-date
|
|
timestamp if called at other times.
|
|
|
|
So we try meta_display_get_current_time() first, since we
|
|
can recognize a "wrong" answer from that, and then fall back
|
|
to clutter_get_current_event_time().
|
|
*/
|
|
|
|
display = meta_screen_get_display (shell_global_get_screen (global));
|
|
time = meta_display_get_current_time (display);
|
|
if (time != CLUTTER_CURRENT_TIME)
|
|
return time;
|
|
/*
|
|
* We don't use clutter_get_current_event_time as it can give us a
|
|
* too old timestamp if there is no current event.
|
|
*/
|
|
clutter_event = clutter_get_current_event ();
|
|
|
|
if (clutter_event != NULL)
|
|
return clutter_event_get_time (clutter_event);
|
|
else
|
|
return CLUTTER_CURRENT_TIME;
|
|
}
|
|
|
|
/**
|
|
* shell_global_create_app_launch_context:
|
|
* @global: A #ShellGlobal
|
|
*
|
|
* Create a #GAppLaunchContext set up with the correct timestamp, and
|
|
* targeted to activate on the current workspace.
|
|
*
|
|
* Return value: (transfer full): A new #GAppLaunchContext
|
|
*/
|
|
GAppLaunchContext *
|
|
shell_global_create_app_launch_context (ShellGlobal *global)
|
|
{
|
|
GdkAppLaunchContext *context;
|
|
|
|
context = gdk_app_launch_context_new ();
|
|
gdk_app_launch_context_set_timestamp (context, shell_global_get_current_time (global));
|
|
|
|
// Make sure that the app is opened on the current workspace even if
|
|
// the user switches before it starts
|
|
gdk_app_launch_context_set_desktop (context, meta_screen_get_active_workspace_index (shell_global_get_screen (global)));
|
|
|
|
return (GAppLaunchContext *)context;
|
|
}
|
|
|
|
/**
|
|
* shell_global_set_property_mutable:
|
|
* @global: the #ShellGlobal
|
|
* @object: the "path" to a JS object, starting from the root object.
|
|
* (Eg, "global.stage" or "imports.gi.Gtk.Window.prototype")
|
|
* @property: a property on @object
|
|
* @mutable: %TRUE or %FALSE
|
|
*
|
|
* If @mutable is %TRUE, this clears the "permanent" and "readonly" flags
|
|
* on @property of @object. If @mutable is %FALSE, it sets them.
|
|
*
|
|
* You can use this to make it possible to modify properties that
|
|
* would otherwise be read-only from JavaScript.
|
|
*
|
|
* Return value: success or failure.
|
|
*/
|
|
gboolean
|
|
shell_global_set_property_mutable (ShellGlobal *global,
|
|
const char *object,
|
|
const char *property,
|
|
gboolean mutable)
|
|
{
|
|
JSContext *context = gjs_context_get_native_context (global->js_context);
|
|
char **parts;
|
|
JSObject *obj;
|
|
jsval val = JSVAL_VOID;
|
|
int i;
|
|
jsuint attrs;
|
|
JSBool found;
|
|
|
|
JS_BeginRequest (context);
|
|
JS_AddValueRoot (context, &val);
|
|
|
|
parts = g_strsplit (object, ".", -1);
|
|
obj = JS_GetGlobalObject (context);
|
|
for (i = 0; parts[i]; i++)
|
|
{
|
|
if (!JS_GetProperty (context, obj, parts[i], &val))
|
|
{
|
|
g_strfreev (parts);
|
|
goto out_error;
|
|
}
|
|
obj = JSVAL_TO_OBJECT (val);
|
|
}
|
|
g_strfreev (parts);
|
|
|
|
if (!JS_GetPropertyAttributes (context, obj, property, &attrs, &found) || !found)
|
|
goto out_error;
|
|
|
|
if (mutable)
|
|
attrs &= ~(JSPROP_PERMANENT | JSPROP_READONLY);
|
|
else
|
|
attrs |= (JSPROP_PERMANENT | JSPROP_READONLY);
|
|
|
|
if (!JS_SetPropertyAttributes (context, obj, property, attrs, &found))
|
|
goto out_error;
|
|
|
|
JS_RemoveValueRoot (context, &val);
|
|
JS_EndRequest (context);
|
|
return TRUE;
|
|
out_error:
|
|
gjs_log_exception (context, NULL);
|
|
JS_RemoveValueRoot (context, &val);
|
|
JS_EndRequest (context);
|
|
return FALSE;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
ShellLeisureFunction func;
|
|
gpointer user_data;
|
|
GDestroyNotify notify;
|
|
} LeisureClosure;
|
|
|
|
static gboolean
|
|
run_leisure_functions (gpointer data)
|
|
{
|
|
ShellGlobal *global = data;
|
|
GSList *closures;
|
|
GSList *iter;
|
|
|
|
global->leisure_function_id = 0;
|
|
|
|
/* We started more work since we scheduled the idle */
|
|
if (global->work_count > 0)
|
|
return FALSE;
|
|
|
|
/*
|
|
* We do call MAYBE_GC() here to free up some memory and
|
|
* prevent the GC from running when we are busy doing other things.
|
|
*/
|
|
shell_global_maybe_gc (global);
|
|
|
|
/* No leisure closures, so we are done */
|
|
if (global->leisure_closures == NULL)
|
|
return FALSE;
|
|
|
|
closures = global->leisure_closures;
|
|
global->leisure_closures = NULL;
|
|
|
|
for (iter = closures; iter; iter = iter->next)
|
|
{
|
|
LeisureClosure *closure = closures->data;
|
|
closure->func (closure->user_data);
|
|
|
|
if (closure->notify)
|
|
closure->notify (closure->user_data);
|
|
|
|
g_slice_free (LeisureClosure, closure);
|
|
}
|
|
|
|
g_slist_free (closures);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
schedule_leisure_functions (ShellGlobal *global)
|
|
{
|
|
/* This is called when we think we are ready to run leisure functions
|
|
* by our own accounting. We try to handle other types of business
|
|
* (like ClutterAnimation) by adding a low priority idle function.
|
|
*
|
|
* This won't work properly if the mainloop goes idle waiting for
|
|
* the vertical blanking interval or waiting for work being done
|
|
* in another thread.
|
|
*/
|
|
if (!global->leisure_function_id)
|
|
global->leisure_function_id = g_idle_add_full (G_PRIORITY_LOW,
|
|
run_leisure_functions,
|
|
global, NULL);
|
|
}
|
|
|
|
/**
|
|
* shell_global_begin_work:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Marks that we are currently doing work. This is used to to track
|
|
* whether we are busy for the purposes of shell_global_run_at_leisure().
|
|
* A count is kept and shell_global_end_work() must be called exactly
|
|
* as many times as shell_global_begin_work().
|
|
*/
|
|
void
|
|
shell_global_begin_work (ShellGlobal *global)
|
|
{
|
|
global->work_count++;
|
|
}
|
|
|
|
/**
|
|
* shell_global_end_work:
|
|
* @global: the #ShellGlobal
|
|
*
|
|
* Marks the end of work that we started with shell_global_begin_work().
|
|
* If no other work is ongoing and functions have been added with
|
|
* shell_global_run_at_leisure(), they will be run at the next
|
|
* opportunity.
|
|
*/
|
|
void
|
|
shell_global_end_work (ShellGlobal *global)
|
|
{
|
|
g_return_if_fail (global->work_count > 0);
|
|
|
|
global->work_count--;
|
|
if (global->work_count == 0)
|
|
schedule_leisure_functions (global);
|
|
|
|
}
|
|
|
|
/**
|
|
* shell_global_run_at_leisure:
|
|
* @global: the #ShellGlobal
|
|
* @func: function to call at leisure
|
|
* @user_data: data to pass to @func
|
|
* @notify: function to call to free @user_data
|
|
*
|
|
* Schedules a function to be called the next time the shell is idle.
|
|
* Idle means here no animations, no redrawing, and no ongoing background
|
|
* work. Since there is currently no way to hook into the Clutter master
|
|
* clock and know when is running, the implementation here is somewhat
|
|
* approximation. Animations done through the shell's Tweener module will
|
|
* be handled properly, but other animations may be detected as terminating
|
|
* early if they can be drawn fast enough so that the event loop goes idle
|
|
* between frames.
|
|
*
|
|
* The intent of this function is for performance measurement runs
|
|
* where a number of actions should be run serially and each action is
|
|
* timed individually. Using this function for other purposes will
|
|
* interfere with the ability to use it for performance measurement so
|
|
* should be avoided.
|
|
*/
|
|
void
|
|
shell_global_run_at_leisure (ShellGlobal *global,
|
|
ShellLeisureFunction func,
|
|
gpointer user_data,
|
|
GDestroyNotify notify)
|
|
{
|
|
LeisureClosure *closure = g_slice_new (LeisureClosure);
|
|
closure->func = func;
|
|
closure->user_data = user_data;
|
|
closure->notify = notify;
|
|
|
|
global->leisure_closures = g_slist_append (global->leisure_closures,
|
|
closure);
|
|
|
|
if (global->work_count == 0)
|
|
schedule_leisure_functions (global);
|
|
}
|
|
|
|
/**
|
|
* shell_global_play_theme_sound:
|
|
* @global: the #ShellGlobal
|
|
* @id: an id, used to cancel later (0 if not needed)
|
|
* @name: the sound name
|
|
*
|
|
* Plays a simple sound picked according to Freedesktop sound theme.
|
|
* Really just a workaround for libcanberra not being introspected.
|
|
*/
|
|
void
|
|
shell_global_play_theme_sound (ShellGlobal *global,
|
|
guint id,
|
|
const char *name)
|
|
{
|
|
ca_context_play (global->sound_context, id, CA_PROP_EVENT_ID, name, NULL);
|
|
}
|
|
|
|
/**
|
|
* shell_global_cancel_theme_sound:
|
|
* @global: the #ShellGlobal
|
|
* @id: the id previously passed to shell_global_play_theme_sound()
|
|
*
|
|
* Cancels a sound notification.
|
|
*/
|
|
void
|
|
shell_global_cancel_theme_sound (ShellGlobal *global,
|
|
guint id)
|
|
{
|
|
ca_context_cancel (global->sound_context, id);
|
|
}
|
|
|
|
/*
|
|
* Process Xdnd events
|
|
*
|
|
* We pass the position and leave events to JS via a signal
|
|
* where the actual drag & drop handling happens.
|
|
*
|
|
* http://www.freedesktop.org/wiki/Specifications/XDND
|
|
*/
|
|
gboolean _shell_global_check_xdnd_event (ShellGlobal *global,
|
|
XEvent *xev)
|
|
{
|
|
MetaScreen *screen = meta_plugin_get_screen (global->plugin);
|
|
Window output_window = meta_get_overlay_window (screen);
|
|
MetaDisplay *display = meta_screen_get_display (screen);
|
|
Display *xdisplay = meta_display_get_xdisplay (display);
|
|
|
|
ClutterStage *stage = CLUTTER_STAGE (meta_plugin_get_stage (global->plugin));
|
|
Window stage_win = clutter_x11_get_stage_window (stage);
|
|
|
|
if (xev->xany.window != output_window && xev->xany.window != stage_win)
|
|
return FALSE;
|
|
|
|
if (xev->xany.type == ClientMessage && xev->xclient.message_type == gdk_x11_get_xatom_by_name ("XdndPosition"))
|
|
{
|
|
XEvent xevent;
|
|
Window src = xev->xclient.data.l[0];
|
|
|
|
memset (&xevent, 0, sizeof(xevent));
|
|
xevent.xany.type = ClientMessage;
|
|
xevent.xany.display = xdisplay;
|
|
xevent.xclient.window = src;
|
|
xevent.xclient.message_type = gdk_x11_get_xatom_by_name ("XdndStatus");
|
|
xevent.xclient.format = 32;
|
|
xevent.xclient.data.l[0] = output_window;
|
|
/* flags: bit 0: will we accept the drop? bit 1: do we want more position messages */
|
|
xevent.xclient.data.l[1] = 2;
|
|
xevent.xclient.data.l[4] = None;
|
|
|
|
XSendEvent (xdisplay, src, False, 0, &xevent);
|
|
|
|
/* Store the timestamp of the xdnd position event */
|
|
global->xdnd_timestamp = xev->xclient.data.l[3];
|
|
g_signal_emit_by_name (G_OBJECT (global), "xdnd-position-changed",
|
|
(int)(xev->xclient.data.l[2] >> 16), (int)(xev->xclient.data.l[2] & 0xFFFF));
|
|
global->xdnd_timestamp = 0;
|
|
|
|
return TRUE;
|
|
}
|
|
else if (xev->xany.type == ClientMessage && xev->xclient.message_type == gdk_x11_get_xatom_by_name ("XdndLeave"))
|
|
{
|
|
g_signal_emit_by_name (G_OBJECT (global), "xdnd-leave");
|
|
|
|
return TRUE;
|
|
}
|
|
else if (xev->xany.type == ClientMessage && xev->xclient.message_type == gdk_x11_get_xatom_by_name ("XdndEnter"))
|
|
{
|
|
g_signal_emit_by_name (G_OBJECT (global), "xdnd-enter");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* shell_global_launch_calendar_server:
|
|
* @global: The #ShellGlobal.
|
|
*
|
|
* Launch the gnome-shell-calendar-server helper.
|
|
*/
|
|
void
|
|
shell_global_launch_calendar_server (ShellGlobal *global)
|
|
{
|
|
const gchar *bin_dir;
|
|
gchar *calendar_server_exe;
|
|
GError *error;
|
|
gchar *argv[2];
|
|
gint child_standard_input;
|
|
|
|
/* launch calendar-server */
|
|
bin_dir = g_getenv ("GNOME_SHELL_BINDIR");
|
|
if (bin_dir != NULL)
|
|
calendar_server_exe = g_strdup_printf ("%s/gnome-shell-calendar-server", bin_dir);
|
|
else
|
|
calendar_server_exe = g_strdup_printf (GNOME_SHELL_LIBEXECDIR "/gnome-shell-calendar-server");
|
|
|
|
argv[0] = calendar_server_exe;
|
|
argv[1] = NULL;
|
|
error = NULL;
|
|
if (!g_spawn_async_with_pipes (NULL, /* working_directory */
|
|
argv,
|
|
NULL, /* envp */
|
|
0, /* GSpawnFlags */
|
|
NULL, /* child_setup */
|
|
NULL, /* user_data */
|
|
NULL, /* GPid *child_pid */
|
|
&child_standard_input,
|
|
NULL, /* gint *stdout */
|
|
NULL, /* gint *stderr */
|
|
&error))
|
|
{
|
|
g_warning ("Error launching `%s': %s (%s %d)",
|
|
calendar_server_exe,
|
|
error->message,
|
|
g_quark_to_string (error->domain),
|
|
error->code);
|
|
g_error_free (error);
|
|
}
|
|
/* Note that gnome-shell-calendar-server exits whenever its stdin
|
|
* file descriptor is HUP'ed. This means that whenever the the shell
|
|
* process exits or is being replaced, the calendar server is also
|
|
* exits...and if the shell is being replaced, a new copy of the
|
|
* calendar server is launched...
|
|
*/
|
|
|
|
g_free (calendar_server_exe);
|
|
}
|