Unigine.Widget Class

public void on_button_click()
{
	Log.Message("world button click\n");
}

public void on_button_remove()
{
	Log.Message("world button removed\n");
}

public void on_hbox_remove()
{
	Log.Message("world hbox hierarchy removed\n");
}

private void Init()
{

	// create a single widget
	WidgetButton button = new WidgetButton("WORLD_BUTTON");
	// set the world lifetime
	button.Lifetime = Widget.LIFETIME.WORLD;
	// subscribing for the button Click event
	button.EventClicked.Connect(on_button_click);
	// the "on_button_remove" handler will be executed on reloading or closing the world, or on Engine shutdown
	button.EventRemove.Connect(on_button_remove);
	// add the button to WindowManager
	WindowManager.MainWindow.AddChild(button);

	// create a hierarchy of widgets
	WidgetHBox hbox = new WidgetHBox();
	// set the world lifetime
	hbox.Lifetime = Widget.LIFETIME.WORLD;
	// the "on_hbox_remove" handler will be executed on reloading or closing the world, or on Engine shutdown
	hbox.EventRemove.Connect(on_hbox_remove);
	hbox.Background = 1;
	hbox.BackgroundColor = vec4.WHITE;
	WindowManager.MainWindow.AddChild(hbox, Gui.ALIGN_EXPAND);

	WidgetGroupBox group = new WidgetGroupBox();
	group.Background = 1;
	group.Text = "Widgets Hierarchy";
	hbox.AddChild(group);

	group.AddChild(new WidgetLabel("hierarchy_label_0"));
	group.AddChild(new WidgetLabel("hierarchy_label_1"));

}

public EngineWindowViewport window;

public WidgetButton button;
public WidgetHBox hbox;

bool button_remove_handler = false;
bool hbox_remove_handler = false;

public void on_window_button_click()
{
	Log.Message("window button click\n");
}

public void on_window_button_remove()
{
	Log.Message("window button removed\n");
	button_remove_handler = true;
}

public void on_window_hbox_remove()
{
	Log.Message("window hbox hierarchy removed\n");
	hbox_remove_handler = true;
}

public void create_window()
{

	button_remove_handler = false;
	hbox_remove_handler = false;

	window = new EngineWindowViewport("Test", 512, 256, (int)EngineWindow.FLAGS.SHOWN);

	// single window widget
	button = new WidgetButton("WINDOW_BUTTON");
	button.Lifetime = Widget.LIFETIME.WINDOW;
	button.EventClicked.Connect(on_window_button_click);
	button.EventRemove.Connect(on_window_button_remove);
	window.AddChild(button);

	// window hierarchy
	hbox = new WidgetHBox();
	hbox.Lifetime = Widget.LIFETIME.WINDOW;
	hbox.EventRemove.Connect(on_window_hbox_remove);
	hbox.Background = 1;
	hbox.BackgroundColor = vec4.WHITE;
	window.AddChild(hbox, Gui.ALIGN_EXPAND);

	WidgetGroupBox group = new WidgetGroupBox();
	group.Background = 1;
	group.Text = "Window Hierarchy";
	hbox.AddChild(group);

	group.AddChild(new WidgetLabel("hierarchy_window_label_0"));
	group.AddChild(new WidgetLabel("hierarchy_window_label_1"));

}

private void Init()
{
	create_window();
}

private void Update()
{
	if (Input.IsKeyDown(Input.KEY.T) && window.IsDeleted)
		create_window();

	Log.Message("window deleted: {0}, button deleted: {1}, hbox deleted: {2}, button remove handler: {3}, hbox remove handler: {4}\n",
				window.IsDeleted, button.IsDeleted, hbox.IsDeleted, button_remove_handler, hbox_remove_handler);

}

EngineWindowViewport engine_window;

WidgetButton engine_button;
WidgetHBox engine_hbox;

bool engine_button_remove_handler = false;
bool engine_hbox_remove_handler = false;

void on_engine_button_click()
{
	Log.Message("engine button click\n");
}

void on_engine_button_remove()
{
	Log.Message("engine button removed\n");
	engine_button_remove_handler = true;
}

void on_engine_hbox_remove()
{
	Log.Message("engine hbox hierarchy removed\n");
	engine_hbox_remove_handler = true;
}

void create_engine_window()
{
	engine_window = new EngineWindowViewport("Test", 512, 256, (int)EngineWindow.FLAGS.SHOWN);

	engine_window.AddChild(engine_button);
	engine_window.AddChild(engine_hbox, Gui.ALIGN_EXPAND);

}

private void Init()
{

	engine_button_remove_handler = false;
	engine_hbox_remove_handler = false;

	// single engine widget
	engine_button = new WidgetButton("ENGINE_BUTTON");
	engine_button.Lifetime = Widget.LIFETIME.ENGINE;
	engine_button.EventClicked.Connect(on_engine_button_click);
	engine_button.EventRemove.Connect(on_engine_button_remove);

	// engine hierarchy
	engine_hbox = new WidgetHBox();
	engine_hbox.Lifetime = Widget.LIFETIME.ENGINE;
	engine_hbox.EventRemove.Connect(on_engine_hbox_remove);
	engine_hbox.Background = 1;
	engine_hbox.BackgroundColor = vec4.WHITE;

	WidgetGroupBox engine_group = new WidgetGroupBox();
	engine_group.Background = 1;
	engine_group.Text = "Engine Hierarchy";
	engine_hbox.AddChild(engine_group);

	engine_group.AddChild(new WidgetLabel("hierarchy_engine_label_0"));
	engine_group.AddChild(new WidgetLabel("hierarchy_engine_label_1"));

	create_engine_window();
}

private void Update()
{
	if (Input.IsKeyDown(Input.KEY.T) && engine_window.IsDeleted)
		create_engine_window();

	Log.Message("engine window deleted: {0}, engine button deleted: {1}, engine hbox deleted: {2}, engine button remove handler: {3}, engine hbox remove handler: {4}\n",
		engine_window.IsDeleted, engine_button.IsDeleted, engine_hbox.IsDeleted, engine_button_remove_handler, engine_hbox_remove_handler);

}