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disable playback when layer is in invalid state

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This commit is contained in:
Brandon Lewis 2010-08-05 15:46:34 +02:00 committed by Edward Hervey
parent 6e844f877f
commit 92e1ae637e
1 changed files with 20 additions and 1 deletions
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21
tests/examples/ges-ui.c
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@ -158,8 +158,25 @@ update_move_up_down_sensitivity (App * app)
gtk_action_set_sensitive (app->move_down, can_move && (!app->last_selected));
}
static void
update_play_sensitivity (App * app)
{
gboolean valid;
g_object_get (app->layer, "valid", &valid, NULL);
gtk_action_set_sensitive (app->play, (app->n_objects && valid));
}
/* Backend callbacks ********************************************************/
static void
layer_notify_valid_changed_cb (GObject * object, GParamSpec * unused
G_GNUC_UNUSED, App * app)
{
update_play_sensitivity (app);
}
static gboolean
find_row_for_object (GtkListStore * model, GtkTreeIter * ret,
GESTimelineObject * object)
@ -252,7 +269,7 @@ object_count_changed (App * app)
{
app_update_first_last_selected (app);
update_move_up_down_sensitivity (app);
gtk_action_set_sensitive (app->play, app->n_objects > 0);
update_play_sensitivity (app);
}
static void
@ -770,6 +787,8 @@ create_ui (App * app)
G_CALLBACK (layer_object_removed_cb), app);
g_signal_connect (app->layer, "object-moved",
G_CALLBACK (layer_object_moved_cb), app);
g_signal_connect (app->layer, "notify::valid",
G_CALLBACK (layer_notify_valid_changed_cb), app);
bus = gst_pipeline_get_bus (GST_PIPELINE (app->pipeline));
gst_bus_add_signal_watch (bus);