public override VisualElement MakeItem()
{
var element = base.MakeItem();
element.RegisterCallback <MouseDownEvent>(evt =>
{
if (!(evt.target is VisualElement e))
{
return;
}
if (e.GetFirstAncestorOfType <TemplateContainer>() is var container &&
container.userData is TypeSearcherItem)
{
if (evt.clickCount != 1)
{
return;
}
// Simulate a double-click when single-clicking on an item to immediately select it.
using (var newEvt = MouseDownEvent.GetPooled(new Event(evt.imguiEvent)
{
mousePosition = evt.mousePosition,
clickCount = 2
}))
{
newEvt.target = container;
container.SendEvent(newEvt);
}
}
internal static EventBase CreateEvent(Event systemEvent)
{
switch (systemEvent.type)
{
case EventType.MouseMove:
return(MouseMoveEvent.GetPooled(systemEvent));
case EventType.MouseDrag:
return(MouseMoveEvent.GetPooled(systemEvent));
case EventType.MouseDown:
return(MouseDownEvent.GetPooled(systemEvent));
case EventType.MouseUp:
return(MouseUpEvent.GetPooled(systemEvent));
case EventType.ScrollWheel:
return(WheelEvent.GetPooled(systemEvent));
case EventType.KeyDown:
return(KeyDownEvent.GetPooled(systemEvent));
case EventType.KeyUp:
return(KeyUpEvent.GetPooled(systemEvent));
case EventType.MouseEnterWindow:
return(MouseEnterWindowEvent.GetPooled(systemEvent));
case EventType.MouseLeaveWindow:
return(MouseLeaveWindowEvent.GetPooled(systemEvent));
default:
return(IMGUIEvent.GetPooled(systemEvent));
}
}
private void HandleFieldMouseDown(MouseDownEvent evt)
{
if (focusController.focusedElement == this)
{
return; // Prevent do-focusing the field on consequent clicks.
}
// Propagate the event to the parent.
var newEvt = MouseDownEvent.GetPooled(evt);
newEvt.target = this;
SendEvent(newEvt);
}
// In order for tests to run without an EditorWindow but still be able to send
// events, we sometimes need to force the event type. IMGUI::GetEventType() (native) will
// return the event type as Ignore if the proper views haven't yet been
// initialized. This (falsely) breaks tests that rely on the event type. So for tests, we
// just ensure the event type is what we originally set it to when we sent it.
internal static EventBase CreateEvent(Event systemEvent, EventType eventType)
{
switch (eventType)
{
case EventType.MouseMove:
return(MouseMoveEvent.GetPooled(systemEvent));
case EventType.MouseDrag:
return(MouseMoveEvent.GetPooled(systemEvent));
case EventType.MouseDown:
return(MouseDownEvent.GetPooled(systemEvent));
case EventType.MouseUp:
return(MouseUpEvent.GetPooled(systemEvent));
case EventType.ContextClick:
return(ContextClickEvent.GetPooled(systemEvent));
case EventType.MouseEnterWindow:
return(MouseEnterWindowEvent.GetPooled(systemEvent));
case EventType.MouseLeaveWindow:
return(MouseLeaveWindowEvent.GetPooled(systemEvent));
case EventType.ScrollWheel:
return(WheelEvent.GetPooled(systemEvent));
case EventType.KeyDown:
return(KeyDownEvent.GetPooled(systemEvent));
case EventType.KeyUp:
return(KeyUpEvent.GetPooled(systemEvent));
case EventType.DragUpdated:
return(DragUpdatedEvent.GetPooled(systemEvent));
case EventType.DragPerform:
return(DragPerformEvent.GetPooled(systemEvent));
case EventType.DragExited:
return(DragExitedEvent.GetPooled(systemEvent));
case EventType.ValidateCommand:
return(ValidateCommandEvent.GetPooled(systemEvent));
case EventType.ExecuteCommand:
return(ExecuteCommandEvent.GetPooled(systemEvent));
default: // Layout, Ignore, Used
return(IMGUIEvent.GetPooled(systemEvent));
}
}
public static void ClickButton(this VisualElement root, string className)
{
var elView = root.GetElement <Button>(className);
var viewClick = elView.clickable;
var viewInvoke = viewClick
.GetType()
.GetMethod(
"Invoke",
BindingFlags.NonPublic | BindingFlags.Instance
);
viewInvoke?.Invoke(viewClick, new object[] { MouseDownEvent.GetPooled() });
}