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
};
}
private void OnPointerUp(GuiPointerEventArgs args)
{
if (Screen == null)
{
return;
}
var postFocusedControl = FindControlAtPoint(Screen.Controls, args.Position);
if (_preFocusedControl == postFocusedControl)
{
var focusedControl = postFocusedControl;
if (_focusedControl != focusedControl)
{
if (_focusedControl != null)
{
_focusedControl.IsFocused = false;
}
_focusedControl = focusedControl;
if (_focusedControl != null)
{
_focusedControl.IsFocused = true;
}
}
}
_preFocusedControl = null;
_hoveredControl?.OnPointerUp(args);
}
private void OnPointerMoved(GuiPointerEventArgs args)
{
CursorPosition = args.Position.ToVector2();
if (ActiveScreen == null || !ActiveScreen.IsVisible)
{
return;
}
var hoveredControl = FindControlAtPoint(args.Position);
if (_hoveredControl != hoveredControl)
{
if (_hoveredControl != null && (hoveredControl == null || !hoveredControl.HasParent(_hoveredControl)))
{
PropagateDown(_hoveredControl, x => x.OnPointerLeave(this, args));
}
_hoveredControl = hoveredControl;
PropagateDown(_hoveredControl, x => x.OnPointerEnter(this, args));
}
else
{
PropagateDown(_hoveredControl, x => x.OnPointerMove(this, args));
}
}
private void OnPointerDown(GuiPointerEventArgs args)
{
if (Screen == null)
{
return;
}
_preFocusedControl = FindControlAtPoint(Screen.Controls, args.Position);
_hoveredControl?.OnPointerDown(args);
}
private void OnPointerDown(GuiPointerEventArgs args)
{
if (ActiveScreen == null || !ActiveScreen.IsVisible)
{
return;
}
_preFocusedControl = FindControlAtPoint(args.Position);
_hoveredControl?.OnPointerDown(this, args);
}
private void OnPointerUp(GuiPointerEventArgs args)
{
if (ActiveScreen == null || !ActiveScreen.IsVisible)
{
return;
}
var postFocusedControl = FindControlAtPoint(args.Position);
if (_preFocusedControl == postFocusedControl)
{
SetFocus(postFocusedControl);
}
_preFocusedControl = null;
PropagateDown(_hoveredControl, x => x.OnPointerUp(this, args));
}
public GuiSystem(ViewportAdapter viewportAdapter, IGuiRenderer renderer)
{
_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));
_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(args);
_keyboardListener.KeyPressed += (sender, args) => _focusedControl?.OnKeyPressed(args);
}
private void OnPointerMoved(GuiPointerEventArgs args)
{
CursorPosition = args.Position.ToVector2();
if (Screen == null)
{
return;
}
var hoveredControl = FindControlAtPoint(Screen.Controls, args.Position);
if (_hoveredControl != hoveredControl)
{
_hoveredControl?.OnPointerLeave(args);
_hoveredControl = hoveredControl;
_hoveredControl?.OnPointerEnter(args);
}
}
private void OnPointerMoved(GuiPointerEventArgs args)
{
CursorPosition = args.Position.ToVector2();
if (ActiveScreen == null || !ActiveScreen.IsVisible)
{
return;
}
var hoveredControl = FindControlAtPoint(args.Position);
if (_hoveredControl != hoveredControl)
{
_hoveredControl?.OnPointerLeave(this, args);
_hoveredControl = hoveredControl;
_hoveredControl?.OnPointerEnter(this, args);
}
}