public void Show(Xwt.Popover.Position orientation, Xwt.Widget reference, Xwt.Rectangle positionRect, Widget child)
{
var parent = reference.ParentWindow;
popover = new PopoverWindow((Gtk.Widget)((WidgetBackend)Toolkit.GetBackend(child)).NativeWidget, orientation);
popover.SetPadding(frontend.Padding);
popover.TransientFor = ((WindowFrameBackend)Toolkit.GetBackend(parent)).Window;
popover.DestroyWithParent = true;
popover.Hidden += (o, args) => {
popover.ReleaseInnerWidget();
sink.OnClosed();
popover.Destroy();
};
var screenBounds = reference.ScreenBounds;
if (positionRect == Rectangle.Zero)
{
positionRect = new Rectangle(Point.Zero, screenBounds.Size);
}
positionRect = positionRect.Offset(screenBounds.Location);
var position = new Point(positionRect.Center.X, popover.ArrowPosition == Popover.Position.Top ? positionRect.Bottom : positionRect.Top);
popover.ShowAll();
popover.GrabFocus();
int w, h;
popover.GetSize(out w, out h);
popover.Move((int)position.X - w / 2, (int)position.Y);
popover.SizeAllocated += (o, args) => { popover.Move((int)position.X - args.Allocation.Width / 2, (int)position.Y); popover.GrabFocus(); };
}
public void Show(Xwt.Popover.Position orientation, Xwt.Widget reference, Xwt.Rectangle positionRect, Widget child)
{
popover.Content = (Gtk.Widget)((WidgetBackend)Toolkit.GetBackend(child)).NativeWidget;
popover.ArrowPosition = orientation;
popover.BackgroundColor = BackgroundColor.ToCairoColor();
popover.Padding = frontend.Padding;
var parent = (WindowFrameBackend)Toolkit.GetBackend(reference.ParentWindow);
if (popover.TransientFor != parent.Window)
{
if (popover.TransientFor != null)
{
popover.TransientFor.FocusInEvent -= HandleParentFocusInEvent;
}
popover.TransientFor = parent.Window;
popover.TransientFor.FocusInEvent += HandleParentFocusInEvent;
}
popover.Hidden += (o, args) => sink.OnClosed();
var screenBounds = reference.ScreenBounds;
if (positionRect == Rectangle.Zero)
{
positionRect = new Rectangle(Point.Zero, screenBounds.Size);
}
positionRect = positionRect.Offset(screenBounds.Location);
var position = new Point(positionRect.Center.X, popover.ArrowPosition == Popover.Position.Top ? positionRect.Bottom : positionRect.Top);
popover.Show();
popover.Present();
popover.GrabFocus();
int w, h;
popover.GetSize(out w, out h);
if (popover.ArrowPosition == Popover.Position.Top)
{
popover.Move((int)position.X - w / 2, (int)position.Y);
}
else
{
popover.Move((int)position.X - w / 2, (int)position.Y - h);
}
popover.SizeAllocated += (o, args) => {
if (popover.ArrowPosition == Popover.Position.Top)
{
popover.Move((int)position.X - args.Allocation.Width / 2, (int)position.Y);
}
else
{
popover.Move((int)position.X - args.Allocation.Width / 2, (int)position.Y - args.Allocation.Height);
}
popover.GrabFocus();
};
}
void PopoverHidden(object sender, EventArgs e)
{
sink.OnClosed();
popover.Hidden -= PopoverHidden;
}