protected override Point InternalMeasure(Point availableSize)
{
var result = Point.Zero;
if (Widget != null)
{
result = Widget.Measure(availableSize);
}
return(result);
}
public static void ShowContextMenu(Widget menu, Point position)
{
if (menu == null)
{
throw new ArgumentNullException("menu");
}
HideContextMenu();
ContextMenu = menu;
if (ContextMenu == null)
{
return;
}
ContextMenu.HorizontalAlignment = HorizontalAlignment.Left;
ContextMenu.VerticalAlignment = VerticalAlignment.Top;
var measure = ContextMenu.Measure(InternalBounds.Size());
if (position.X + measure.X > InternalBounds.Right)
{
position.X = InternalBounds.Right - measure.X;
}
if (position.Y + measure.Y > InternalBounds.Bottom)
{
position.Y = InternalBounds.Bottom - measure.Y;
}
ContextMenu.Left = position.X;
ContextMenu.Top = position.Y;
ContextMenu.Visible = true;
Widgets.Add(ContextMenu);
if (ContextMenu.AcceptsKeyboardFocus)
{
_previousKeyboardFocus = FocusedKeyboardWidget;
FocusedKeyboardWidget = ContextMenu;
}
_scheduleMouseWheelFocus = ContextMenu;
_contextMenuShown = true;
}
public void ShowContextMenu(Widget menu, Point position)
{
if (menu == null)
{
throw new ArgumentNullException("menu");
}
HideContextMenu();
ContextMenu = menu;
if (ContextMenu != null)
{
ContextMenu.HorizontalAlignment = HorizontalAlignment.Left;
ContextMenu.VerticalAlignment = VerticalAlignment.Top;
var measure = ContextMenu.Measure(Bounds.Size());
if (position.X + measure.X > Bounds.Right)
{
position.X = Bounds.Right - measure.X;
}
if (position.Y + measure.Y > Bounds.Bottom)
{
position.Y = Bounds.Bottom - measure.Y;
}
ContextMenu.Left = position.X;
ContextMenu.Top = position.Y;
ContextMenu.Visible = true;
_widgets.Add(ContextMenu);
if (ContextMenu.AcceptsKeyboardFocus)
{
FocusedKeyboardWidget = ContextMenu;
}
}
}
