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update list model when objects are removed from layer

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This commit is contained in:
Brandon Lewis 2010-07-21 13:54:24 +02:00 committed by Edward Hervey
parent 9c93c4e15f
commit 1a72eb0fdc
1 changed files with 31 additions and 1 deletions
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32
tests/examples/ges-ui.c
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@ -52,6 +52,9 @@ void add_file_item_activate_cb (GtkMenuItem * item, App * app);
gboolean create_ui (App * app);
static gboolean find_row_for_object (GtkListStore * model, GtkTreeIter * ret,
GESTimelineObject * object);
/* signal handlers **********************************************************/
void
@ -210,6 +213,25 @@ desc_for_object (GESTimelineObject * object)
return uri;
}
static gboolean
find_row_for_object (GtkListStore * model, GtkTreeIter * ret,
GESTimelineObject * object)
{
gtk_tree_model_get_iter_first ((GtkTreeModel *) model, ret);
while (gtk_list_store_iter_is_valid (model, ret)) {
GESTimelineObject *obj;
gtk_tree_model_get ((GtkTreeModel *) model, ret, 2, &obj, -1);
if (obj == object) {
g_object_unref (obj);
return TRUE;
}
g_object_unref (obj);
gtk_tree_model_iter_next ((GtkTreeModel *) model, ret);
}
return FALSE;
}
static void
layer_object_added_cb (GESTimelineLayer * layer, GESTimelineObject * object,
App * app)
@ -232,8 +254,16 @@ static void
layer_object_removed_cb (GESTimelineLayer * layer, GESTimelineObject * object,
App * app)
{
GtkTreeIter iter;
GST_INFO ("layer object removed cb %p %p %p", layer, object, app);
g_print ("layer object removed");
if (!find_row_for_object (GTK_LIST_STORE (app->model), &iter, object)) {
g_print ("object deleted but we don't own it");
return;
}
gtk_list_store_remove (app->model, &iter);
}
/* Layout *******************************************************************/