public static NSRectEdge ToRectEdge(Popover.Position pos)
{
switch (pos)
{
case Popover.Position.Top:
return(NSRectEdge.MaxYEdge);
default:
return(NSRectEdge.MinYEdge);
}
}
public PopoverWindow(Popover.Position orientation)
: base(WindowType.Popup)
{
this.AppPaintable = true;
this.Decorated = false;
this.SkipPagerHint = true;
this.SkipTaskbarHint = true;
this.TypeHint = WindowTypeHint.PopupMenu;
this.AddEvents(16384);
this.DefaultHeight = 20;
this.arrowPosition = orientation;
this.FocusOutEvent += new FocusOutEventHandler(this.HandleFocusOutEvent);
this.OnScreenChanged((Gdk.Screen)null);
}
public void Show(Popover.Position orientation, Widget referenceWidget, Rectangle positionRect, Widget child)
{
var refBackend = Toolkit.GetBackend(referenceWidget) as IWidgetBackend;
NSView refView = (refBackend as EmbedNativeWidgetBackend)?.EmbeddedView;
if (refView == null)
{
refView = (refBackend as ViewBackend)?.Widget;
}
if (refView == null)
{
if (referenceWidget.Surface.ToolkitEngine.Type == ToolkitType.Gtk)
{
try {
refView = GtkQuartz.GetView(refBackend.NativeWidget);
var rLocation = refView.ConvertRectToView(refView.Frame, null).Location.ToXwtPoint();
if (referenceWidget.WindowBounds.Location != rLocation)
{
positionRect.X += referenceWidget.WindowBounds.Location.X - rLocation.X;
positionRect.Y += referenceWidget.WindowBounds.Location.Y - rLocation.Y;
}
} catch (Exception ex) {
throw new ArgumentException("Widget belongs to an unsupported Toolkit", nameof(referenceWidget), ex);
}
}
else if (referenceWidget.Surface.ToolkitEngine != ApplicationContext.Toolkit)
{
throw new ArgumentException("Widget belongs to an unsupported Toolkit", nameof(referenceWidget));
}
}
// If the rect is empty, the coordinates of the rect will be ignored.
// Set the width and height, for the positioning to function correctly.
if (Math.Abs(positionRect.Width) < double.Epsilon)
{
positionRect.Width = referenceWidget.Size.Width;
}
if (Math.Abs(positionRect.Height) < double.Epsilon)
{
positionRect.Height = referenceWidget.Size.Height;
}
DestroyPopover();
popover = new NSAppearanceCustomizationPopover {
Behavior = NSPopoverBehavior.Transient
};
controller = new FactoryViewController(this, child, popover)
{
BackgroundColor = backgroundColor
};
popover.ContentViewController = controller;
popover.Delegate = controller;
// if the reference has a custom appearance, use it for the popover
if (refView.EffectiveAppearance.Name != NSAppearance.NameAqua)
{
controller.EffectiveAppearanceName = refView.EffectiveAppearance.Name;
if (popover is INSAppearanceCustomization)
{
((INSAppearanceCustomization)popover).SetAppearance(refView.EffectiveAppearance);
}
}
popover.Show(positionRect.ToCGRect(),
refView,
ToRectEdge(orientation));
}
