private bool IsCurrentlyMousedOver(GuiComponent component)
{
if (component == null) { return false; }
double mouseX = _currentMousePositionInWorldCoordinates.X;
double mouseY = _currentMousePositionInWorldCoordinates.Y;
if (mouseX > component.Left && mouseX < component.Right && mouseY < component.Top && mouseY > component.Bottom)
{
return true;
}
return false;
}
public override void Update(double elapsedTime)
{
if (_registrees.Count == 0) { return; }
UpdateCurrentMousePosition();
if (SingletonFactory.GetInput().Mouse.LeftPressed && _previouslyMousedOverComponent != null && IsCurrentlyMousedOver(_previouslyMousedOverComponent))
{
SingletonFactory.GetEventHub().SendEvent("ChangeTextureCommand", this, EventArgWriteUtil.GetChangeTextureCommandArgs(GuiTextureType.MOUSE_OVER), _previouslyMousedOverComponent);
SingletonFactory.GetEventHub().FireEvent("OnClick", _previouslyMousedOverComponent);
_isPreviouslyMousedOverComponentAlreadyDown = false;
}
if (!IsCurrentlyMousedOver(_previouslyMousedOverComponent) && !SingletonFactory.GetInput().Mouse.LeftHeld) // If still mousing over same component or holding the mouse, do nothing.
{
if (_previouslyMousedOverComponent != null)
{
SingletonFactory.GetEventHub().SendEvent("ChangeTextureCommand", this, EventArgWriteUtil.GetChangeTextureCommandArgs(GuiTextureType.NULL), _previouslyMousedOverComponent);
_previouslyMousedOverComponent = null;
}
foreach (GuiComponent component in _registrees)
{
if (component.IsClickable && IsCurrentlyMousedOver(component))
{
_previouslyMousedOverComponent = component;
SingletonFactory.GetEventHub().SendEvent("ChangeTextureCommand", this, EventArgWriteUtil.GetChangeTextureCommandArgs(GuiTextureType.MOUSE_OVER), component);
break;
}
}
}
if (SingletonFactory.GetInput().Mouse.LeftHeld && _previouslyMousedOverComponent != null && !_isPreviouslyMousedOverComponentAlreadyDown)
{
_isPreviouslyMousedOverComponentAlreadyDown = true;
SingletonFactory.GetEventHub().SendEvent("ChangeTextureCommand", this, EventArgWriteUtil.GetChangeTextureCommandArgs(GuiTextureType.MOUSE_DOWN), _previouslyMousedOverComponent);
}
}