public GuiSystem(ViewportAdapter viewportAdapter, IGuiRenderer renderer)
{
_viewportAdapter = viewportAdapter;
_renderer = renderer;
_mouseListener = new MouseListener(viewportAdapter);
_mouseListener.MouseMoved += (s, e) => OnPointerMoved(GuiPointerEventArgs.FromMouseArgs(e));
_mouseListener.MouseDown += (s, e) => OnPointerDown(GuiPointerEventArgs.FromMouseArgs(e));
_mouseListener.MouseUp += (s, e) => OnPointerUp(GuiPointerEventArgs.FromMouseArgs(e));
_mouseListener.MouseWheelMoved += (s, e) => _focusedControl?.OnScrolled(e.ScrollWheelDelta);
_touchListener = new TouchListener(viewportAdapter);
_touchListener.TouchStarted += (s, e) => OnPointerDown(GuiPointerEventArgs.FromTouchArgs(e));
_touchListener.TouchMoved += (s, e) => OnPointerMoved(GuiPointerEventArgs.FromTouchArgs(e));
_touchListener.TouchEnded += (s, e) => OnPointerUp(GuiPointerEventArgs.FromTouchArgs(e));
_keyboardListener = new KeyboardListener();
_keyboardListener.KeyTyped += (sender, args) => _focusedControl?.OnKeyTyped(this, args);
_keyboardListener.KeyPressed += (sender, args) => _focusedControl?.OnKeyPressed(this, args);
Screens = new GuiScreenCollection(this)
{
ItemAdded = InitializeScreen
};
}