private bool IsHoverPartOfPopup()
{
if (PopupItem == null || HoverItem == null)
{
return(false);
}
if (Object.ReferenceEquals(PopupItem, HoverItem))
{
return(true);
}
if (HoverItem.IsChildOf(PopupItem))
{
return(true);
}
return(false);
}
private bool IsHoverPartOfPopup()
{
if (PopupStack.Count == 0 || HoverItem == null)
{
return(false);
}
var item = PopupStack[PopupStack.Count - 1];
if (Object.ReferenceEquals(item, HoverItem))
{
return(true);
}
if (HoverItem.IsChildOf(item))
{
return(true);
}
return(false);
}
/// <summary>
/// Process mouse events.
/// </summary>
/// <param name="State"></param>
public void HandleInput(InputEvents Event, InputEventArgs Args)
{
switch (Event)
{
case InputEvents.MouseMove:
{
// Destroy tooltips when the mouse moves.
MouseMotionTime = DateTime.Now;
if (TooltipItem != null)
{
DestroyWidget(TooltipItem);
}
MousePosition = ScreenPointToGuiPoint(new Point(Args.X, Args.Y));
var newArgs = new InputEventArgs {
X = MousePosition.X, Y = MousePosition.Y
};
// Detect hover item and fire mouse enter/leave events as appropriate.
var newHoverItem = RootItem.FindWidgetAt(MousePosition.X, MousePosition.Y);
if (!Object.ReferenceEquals(newHoverItem, HoverItem))
{
if (HoverItem != null)
{
SafeCall(HoverItem.OnMouseLeave, HoverItem, newArgs);
}
if (newHoverItem != null)
{
SafeCall(newHoverItem.OnMouseEnter, newHoverItem, newArgs);
}
HoverItem = newHoverItem;
}
if (MouseDownItem != null)
{
SafeCall(MouseDownItem.OnMouseMove, MouseDownItem,
new InputEventArgs {
X = MousePosition.X, Y = MousePosition.Y
});
}
}
break;
case InputEvents.MouseDown:
{
MousePosition = ScreenPointToGuiPoint(new Point(Args.X, Args.Y));
var newArgs = new InputEventArgs {
X = MousePosition.X, Y = MousePosition.Y
};
MouseDownItem = null;
if (PopupItem != null)
{
if (IsHoverPartOfPopup())
{
MouseDownItem = HoverItem;
}
}
else
{
MouseDownItem = HoverItem;
}
}
break;
case InputEvents.MouseUp:
//MouseDownItem = null;
break;
case InputEvents.MouseClick:
{
MousePosition = ScreenPointToGuiPoint(new Point(Args.X, Args.Y));
var newArgs = new InputEventArgs {
X = MousePosition.X, Y = MousePosition.Y
};
if (PopupItem != null)
{
if (HoverItem == null || (!Object.ReferenceEquals(HoverItem, PopupItem) &&
!HoverItem.IsChildOf(PopupItem)))
{
if (DestroyPopupOnOffClick)
{
SafeCall(PopupItem.OnPopupClose, PopupItem);
DestroyWidget(PopupItem);
PopupItem = null;
}
MouseDownItem = null;
return;
}
if (HoverItem != null && (Object.ReferenceEquals(HoverItem, PopupItem) ||
HoverItem.IsChildOf(PopupItem)))
{
Args.Handled = true;
if (Object.ReferenceEquals(HoverItem, MouseDownItem))
{
CallOnClick(HoverItem, newArgs);
}
MouseDownItem = null;
return;
}
MouseDownItem = null;
return;
}
if (HoverItem != null && Object.ReferenceEquals(HoverItem, MouseDownItem))
{
Args.Handled = true;
CallOnClick(HoverItem, newArgs);
}
MouseDownItem = null;
}
break;
case InputEvents.KeyPress:
if (FocusItem != null)
{
SafeCall(FocusItem.OnKeyPress, FocusItem, Args);
}
break;
case InputEvents.KeyDown:
if (FocusItem != null)
{
SafeCall(FocusItem.OnKeyDown, FocusItem, Args);
}
break;
case InputEvents.KeyUp:
if (FocusItem != null)
{
SafeCall(FocusItem.OnKeyUp, FocusItem, Args);
}
break;
}
}
