public void ProcessPointerCapture(int pointerId)
{
if (m_PointerCapture[pointerId] == m_PendingPointerCapture[pointerId])
{
return;
}
if (m_PointerCapture[pointerId] != null)
{
using (var e =
PointerCaptureOutEvent.GetPooled(m_PointerCapture[pointerId], m_PendingPointerCapture[pointerId], pointerId))
{
m_PointerCapture[pointerId].SendEvent(e);
}
if (pointerId == PointerId.mousePointerId)
{
using (var e =
MouseCaptureOutEvent.GetPooled(m_PointerCapture[pointerId], m_PendingPointerCapture[pointerId], pointerId))
{
m_PointerCapture[pointerId].SendEvent(e);
}
}
}
if (m_PendingPointerCapture[pointerId] != null)
{
using (var e =
PointerCaptureEvent.GetPooled(m_PendingPointerCapture[pointerId], m_PointerCapture[pointerId], pointerId))
{
m_PendingPointerCapture[pointerId].SendEvent(e);
}
if (pointerId == PointerId.mousePointerId)
{
using (var e =
MouseCaptureEvent.GetPooled(m_PendingPointerCapture[pointerId], m_PointerCapture[pointerId], pointerId))
{
m_PendingPointerCapture[pointerId].SendEvent(e);
}
}
}
m_PointerCapture[pointerId] = m_PendingPointerCapture[pointerId];
}
public static void TakeMouseCapture(this IEventHandler handler)
{
if (mouseCapture == handler)
{
return;
}
if (GUIUtility.hotControl != 0)
{
Debug.Log("Should not be capturing when there is a hotcontrol");
return;
}
// TODO: assign a reserved control id to hotControl so that repaint events in OnGUI() have their hotcontrol check behave normally
ReleaseMouseCapture();
mouseCapture = handler;
using (MouseCaptureEvent e = MouseCaptureEvent.GetPooled(mouseCapture))
{
UIElementsUtility.eventDispatcher.DispatchEvent(e, null);
}
}
public static void CaptureMouse(this IEventHandler handler)
{
if (mouseCapture == handler)
{
return;
}
if (handler == null)
{
ReleaseMouse();
return;
}
if (GUIUtility.hotControl != 0)
{
Debug.Log("Should not be capturing when there is a hotcontrol");
return;
}
// TODO: assign a reserved control id to hotControl so that repaint events in OnGUI() have their hotcontrol check behave normally
IEventHandler currentMouseCapture = mouseCapture;
mouseCapture = handler;
if (currentMouseCapture != null)
{
using (MouseCaptureOutEvent releaseEvent = MouseCaptureOutEvent.GetPooled(currentMouseCapture, mouseCapture))
{
currentMouseCapture.SendEvent(releaseEvent);
}
}
using (MouseCaptureEvent captureEvent = MouseCaptureEvent.GetPooled(mouseCapture, currentMouseCapture))
{
mouseCapture.SendEvent(captureEvent);
}
}