void HandleMouseDown(MouseDownEvent mouseDownEvent)
{
// Get the docking settings for the window, as well as the
// layout and mouse position when resize begins.
m_WindowDockingLayout.CalculateDockingCornerAndOffset(m_Container.layout, m_Container.parent.layout);
m_WindowDockingLayout.ApplyPosition(m_Container);
m_ResizeBeginLayout = m_ResizeTarget.layout;
m_ResizeBeginMousePosition = mouseDownEvent.mousePosition;
m_Dragging = true;
this.CaptureMouse();
mouseDownEvent.StopPropagation();
}
void OnMouseUp(MouseUpEvent evt)
{
bool emitDragFinishedEvent = m_Active;
m_Active = false;
if (m_Handle.HasMouseCapture())
{
m_Handle.ReleaseMouse();
}
evt.StopImmediatePropagation();
// Recalculate which corner to dock to
m_WindowDockingLayout.CalculateDockingCornerAndOffset(target.layout, target.parent.layout);
m_WindowDockingLayout.ClampToParentWindow();
// Use the docking results to figure which of left/right and top/bottom needs to be set.
m_WindowDockingLayout.ApplyPosition(target);
// Signal that the dragging has finished.
if (emitDragFinishedEvent && OnDragFinished != null)
{
OnDragFinished();
}
}
void OnMouseUp(MouseUpEvent evt)
{
bool emitDragFinishedEvent = m_Active;
m_Active = false;
if (m_Handle.HasMouseCapture())
{
m_Handle.ReleaseMouseCapture();
}
evt.StopImmediatePropagation();
m_WindowDockingLayout.CalculateDockingCornerAndOffset(target.layout, target.parent.layout);
if (emitDragFinishedEvent && OnDragFinished != null)
{
OnDragFinished();
}
}