protected override void ExecuteDefaultAction(EventBase evt)
{
if (evt == null)
{
return;
}
// no call to base.ExecuteDefaultAction(evt):
// - we dont want mouse click to directly give focus to IMGUIContainer:
// they should be handled by IMGUI and if an IMGUI control grabs the
// keyboard, the IMGUIContainer will gain focus via FocusController.SyncIMGUIFocus.
// - same thing for tabs: IMGUI should handle them.
// - we dont want to set the PseudoState.Focus flag on IMGUIContainer.
// They are focusable, but only for the purpose of focusing their children.
// Here, we set flags that will be acted upon in DoOnGUI(), since we need to change IMGUI state.
if (evt.eventTypeId == BlurEvent.TypeId())
{
// A lost focus event is ... a lost focus event.
// The specific handling of the IMGUI will be done in the DoOnGUI() above...
lostFocus = true;
// On lost focus, we need to repaint to remove any focused element blue borders.
IncrementVersion(VersionChangeType.Repaint);
}
else if (evt.eventTypeId == FocusEvent.TypeId())
{
FocusEvent fe = evt as FocusEvent;
receivedFocus = true;
focusChangeDirection = fe.direction;
m_IsFocusDelegated = fe.IsFocusDelegated;
}
else if (evt.eventTypeId == DetachFromPanelEvent.TypeId())
{
if (elementPanel != null)
{
elementPanel.IMGUIContainersCount--;
}
}
else if (evt.eventTypeId == AttachToPanelEvent.TypeId())
{
if (elementPanel != null)
{
elementPanel.IMGUIContainersCount++;
// Set class names for foldout depth.
SetFoldoutDepthClass();
}
}
}
public override void HandleEvent(EventBase evt)
{
if (evt.eventTypeId == AttachToPanelEvent.TypeId() && evt is AttachToPanelEvent attachEvent)
{
textHandle = attachEvent.destinationPanel.contextType == ContextType.Editor
? TextHandleFactory.GetEditorHandle()
: TextHandleFactory.GetRuntimeHandle();
#if UNITY_EDITOR
(attachEvent.destinationPanel as BaseVisualElementPanel)?.OnTextElementAdded(this);
#endif
}
else if (evt.eventTypeId == DetachFromPanelEvent.TypeId() && evt is DetachFromPanelEvent detachEvent)
{
#if UNITY_EDITOR
(detachEvent.originPanel as BaseVisualElementPanel)?.OnTextElementRemoved(this);
#endif
}
base.HandleEvent(evt);
}