static void
mnb_zones_preview_dispose (GObject *object)
{
MnbZonesPreview *self = MNB_ZONES_PREVIEW (object);
MnbZonesPreviewPrivate *priv = self->priv;
mnb_zones_preview_clear (self);
if (priv->workspace_bg)
{
g_object_unref (priv->workspace_bg);
priv->workspace_bg = NULL;
}
G_OBJECT_CLASS (mnb_zones_preview_parent_class)->dispose (object);
}
/*
* This is the Metacity entry point for the effect.
*/
void
mnb_switch_zones_effect (MetaPlugin *plugin,
gint from,
gint to,
MetaMotionDirection direction)
{
GList *w;
gint width, height;
MetaScreen *screen;
ClutterActor *window_group;
if (running++)
{
/*
* We have been called while the effect is already in progress; we need to
* mutter know that we completed the previous run.
*/
if (--running < 0)
{
g_warning (G_STRLOC ": error in running effect accounting!");
running = 0;
}
meta_plugin_switch_workspace_completed (plugin);
}
if ((from == to) && !zones_preview)
{
if (--running < 0)
{
g_warning (G_STRLOC ": error in running effect accounting!");
running = 0;
}
meta_plugin_switch_workspace_completed (plugin);
return;
}
screen = meta_plugin_get_screen (plugin);
if (!zones_preview)
{
ClutterActor *stage;
/* Construct the zones preview actor */
zones_preview = mnb_zones_preview_new ();
g_object_set (G_OBJECT (zones_preview),
"workspace", (gdouble)from,
NULL);
/* Add it to the stage */
stage = meta_get_stage_for_screen (screen);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), zones_preview);
/* Attach to completed signal */
g_signal_connect (zones_preview, "switch-completed",
G_CALLBACK (mnb_switch_zones_completed_cb), plugin);
}
meta_screen_get_size (screen, &width, &height);
g_object_set (G_OBJECT (zones_preview),
"workspace-width", (guint)width,
"workspace-height", (guint)height,
NULL);
mnb_zones_preview_clear (MNB_ZONES_PREVIEW (zones_preview));
mnb_zones_preview_set_n_workspaces (MNB_ZONES_PREVIEW (zones_preview),
meta_screen_get_n_workspaces (screen));
/* Add windows to zone preview actor */
for (w = meta_get_window_actors (screen); w; w = w->next)
{
MetaWindowActor *window_actor = w->data;
gint workspace = meta_window_actor_get_workspace (window_actor);
MetaWindow *window = meta_window_actor_get_meta_window (window_actor);
MetaWindowType type = meta_window_get_window_type (window);
/*
* Only show regular windows that are not sticky (getting stacking order
* right for sticky windows would be really hard, and since they appear
* on each workspace, they do not help in identifying which workspace
* it is).
*/
if ((workspace < 0) ||
meta_window_actor_is_override_redirect (window_actor) ||
(type != META_WINDOW_NORMAL))
continue;
mnb_zones_preview_add_window (MNB_ZONES_PREVIEW (zones_preview), window_actor);
}
/* Make sure it's on top */
window_group = meta_get_window_group_for_screen (screen);
clutter_actor_raise (zones_preview, window_group);
/* Initiate animation */
mnb_zones_preview_change_workspace (MNB_ZONES_PREVIEW (zones_preview), to);
}
