// Returns an item corresponding to the focused element (if there is one), or null otherwise.
internal override ProxySimple GetFocus()
{
if (WindowsMenu.IsInSystemMenuMode())
{
// Since in system menu mode try to find point on the SystemMenu
WindowsTitleBar titleBar = (WindowsTitleBar)CreateNonClientChild(NonClientItem.TitleBar);
if (titleBar != null)
{
ProxyFragment systemMenu = (ProxyFragment)titleBar.CreateTitleBarChild(WindowsTitleBar._systemMenu);
if (systemMenu != null)
{
// need to drill down ourself, since the FragmentRoot of the System Menu Bar will
// be NonClient area hence UIAutomation will not drill down
ProxySimple proxy = systemMenu.GetFocus();
if (proxy != null)
{
return(proxy);
}
}
}
}
return(base.GetFocus());
}
private static IRawElementProviderSimple CreateSystemMenu(IntPtr hwnd)
{
NonClientArea nonClientArea = new NonClientArea(hwnd);
WindowsTitleBar titleBar = (WindowsTitleBar)nonClientArea.CreateNonClientChild(NonClientItem.TitleBar);
return(titleBar.CreateTitleBarChild(WindowsTitleBar._systemMenu));
}
private ProxySimple FindMenus(int x, int y)
{
if (WindowsMenu.IsInSystemMenuMode())
{
// Since in system menu mode try to find point on the SystemMenu
WindowsTitleBar titleBar = (WindowsTitleBar)CreateNonClientChild(NonClientItem.TitleBar);
if (titleBar != null)
{
ProxyFragment systemMenu = (ProxyFragment)titleBar.CreateTitleBarChild(WindowsTitleBar._systemMenu);
if (systemMenu != null)
{
// need to drill down ourself, since the FragmentRoot of the System Menu Bar will
// be NonClient area hence UIAutomation will not drill down
ProxySimple proxy = systemMenu.ElementProviderFromPoint(x, y);
if (proxy != null)
{
return(proxy);
}
}
}
}
else
{
// Not in system menu mode so it may be a Popup Menu, have a go at it
ProxyFragment menu = CreateNonClientChild(NonClientItem.Menu);
if (menu != null)
{
// need to drill down ourself, since the FragmentRoot of the MenuBar will
// be NonClient area hence UIAutomation will not drill down
ProxySimple proxy = menu.ElementProviderFromPoint(x, y);
if (proxy != null)
{
return(proxy);
}
// We may have been on the Menu but not on a menu Item
return(menu);
}
}
return(null);
}
internal ProxyHwnd CreateNonClientMenu()
{
// child windows don't have menus
int style = WindowStyle;
if (!Misc.IsBitSet(style, NativeMethods.WS_CHILD))
{
ProxyHwnd menuProxy = null;
if (WindowsMenu.IsInSystemMenuMode())
{
// Since in system menu mode try to find point on the SystemMenu
WindowsTitleBar titleBar = (WindowsTitleBar)CreateNonClientChild(NonClientItem.TitleBar);
if (titleBar != null)
{
menuProxy = (ProxyHwnd)titleBar.CreateTitleBarChild(WindowsTitleBar._systemMenu);
}
}
else
{
IntPtr menu = UnsafeNativeMethods.GetMenu(_hwnd);
if (menu != IntPtr.Zero)
{
menuProxy = new WindowsMenu(_hwnd, this, menu, WindowsMenu.MenuType.Toplevel, (int)NonClientItem.Menu);
}
}
if (menuProxy != null)
{
// if this menu is not visible its really not there
if (menuProxy.BoundingRectangle.Width != 0 && menuProxy.BoundingRectangle.Height != 0)
{
return(menuProxy);
}
}
}
return(null);
}
internal override void AdviseEventRemoved(AutomationEvent eventId, AutomationProperty [] aidProps)
{
// we need to create the menu proxy so that the global event for menu will be listened for.
// This proxy will get advise of events needed for menus
ProxyHwnd menuProxy = CreateNonClientMenu();
if (menuProxy == null)
{
// If the window does not have a menu, it at least has a system menu.
WindowsTitleBar titleBar = (WindowsTitleBar)CreateNonClientChild(NonClientItem.TitleBar);
if (titleBar != null)
{
menuProxy = (ProxyHwnd)titleBar.CreateTitleBarChild(WindowsTitleBar._systemMenu);
}
}
if (menuProxy != null)
{
menuProxy.AdviseEventRemoved(eventId, aidProps);
}
base.AdviseEventRemoved(eventId, aidProps);
}