public void ProcessMouse(bool handledClick, bool handledMouseOver,
out bool outHandledClick, out bool outHandledMouseOver)
{
// Apply mouse click and mouse over events
for (int i = hierarchy.AllSorted.Count - 1; i >= 0; i--)
{
GUIElement element = hierarchy.AllSorted[i];
GUIElementMouseState ms = element.MouseState;
bool mouseOver = element.CapturesMouseClicks && element.CanDraw() &&
element.CalculatedRectangle.Contains(Input.CursorPosition);
element.IsMouseOver = !handledMouseOver && mouseOver;
// Handle mouse enter/leave
if (!handledMouseOver && mouseOver)
{
handledMouseOver = true;
if (!ms.MouseWasOver)
{
element.MouseEnter();
ms.MouseWasOver = true;
}
}
else if (ms.MouseWasOver)
{
element.MouseLeave();
ms.MouseWasOver = false;
}
// Handle mouse down/up
for (int m = 0; m < MouseState.AllButtons.Length; m++)
{
MouseButton mbtn = MouseState.AllButtons[m];
if (mouseOver && !element.Disabled &&
!handledClick && Input.GetMouseButtonDown(mbtn))
{
ms.ButtonsDown.Add(mbtn);
element.MouseButtonDown(mbtn);
handledClick = true;
}
else if (!Input.GetMouseButton(mbtn) && ms.ButtonsDown.Contains(mbtn))
{
ms.ButtonsDown.Remove(mbtn);
element.MouseButtonUp(mbtn);
handledClick = true;
}
}
}
outHandledClick = handledClick || elementUsedKeyboard;
outHandledMouseOver = handledMouseOver;
elementUsedKeyboard = false;
}
public virtual void Draw(SpriteBatch sb)
{
for (int i = 0; i < hierarchy.AllSorted.Count; i++)
{
GUIElement element = hierarchy.AllSorted[i];
if (element.CanDraw())
{
element.Draw(sb);
}
}
}
internal protected bool CanDraw()
{
if (GUIArea != null && !GUIArea.Visible)
{
return(false);
}
else if (!Visible)
{
return(false);
}
else if (parent != null)
{
return(parent.CanDraw());
}
else
{
return(true);
}
}