C++ (Cpp) nr_active_object_remove_listener_by_data示例

示例#1

文件： button.cpp 项目： wdmchaft/DoonSketch

static void
sp_button_set_action (SPButton *button, SPAction *action)
{
	GtkWidget *child;

	if (button->action) {
		nr_active_object_remove_listener_by_data ((NRActiveObject *) button->action, button);
		nr_object_unref ((NRObject *) button->action);
		child = gtk_bin_get_child (GTK_BIN (button));
		if (child) {
			gtk_container_remove (GTK_CONTAINER (button), child);
		}
	}
	button->action = action;
	if (action) {
		button->action = (SPAction *) nr_object_ref ((NRObject *) action);
		nr_active_object_add_listener ((NRActiveObject *) action, (NRObjectEventVector *) &button_event_vector, sizeof (SPActionEventVector), button);
		if (action->image) {
			child = sp_icon_new (button->lsize, action->image);
			gtk_widget_show (child);
			gtk_container_add (GTK_CONTAINER (button), child);
		}
	}

	if (button->tooltips) {
		sp_button_set_composed_tooltip (button->tooltips, (GtkWidget *) button, action);
	}
}

示例#2

文件： canvas-arena.c 项目： benjohnson2001/base

static void
sp_canvas_arena_destroy (GtkObject *object)
{
	SPCanvasArena *arena;

	arena = SP_CANVAS_ARENA (object);

	if (arena->active) {
		nr_object_unref ((NRObject *) arena->active);
		arena->active = NULL;
	}

	if (arena->root) {
		nr_arena_item_unref (arena->root);
		arena->root = NULL;
	}

	if (arena->arena) {
#if 0
/*  		g_signal_disconnect_by_data (G_OBJECT (arena->arena), arena); */
		g_signal_handlers_disconnect_matched (G_OBJECT(arena->arena), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, arena);
#endif
		nr_active_object_remove_listener_by_data ((NRActiveObject *) arena->arena, arena);

		nr_object_unref ((NRObject *) arena->arena);
		arena->arena = NULL;
	}

	if (GTK_OBJECT_CLASS (parent_class)->destroy)
		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}