FindRootParent() private method

private FindRootParent ( ) : Control
return Control
Exemplo n.º 1
0
        static public bool TrackPopupMenu(Menu menu, Point pnt)
        {
            if (menu.MenuItems.Count <= 0)              // No submenus to track
            {
                return(true);
            }

            MenuTracker tracker = menu.tracker;

            tracker.active       = true;
            tracker.popup_active = true;

            // Set GrabControl
            Control src_ctrl = (tracker.TopMenu as ContextMenu).SourceControl;

            tracker.GrabControl = src_ctrl.FindForm();
            if (tracker.GrabControl == null)
            {
                tracker.GrabControl = src_ctrl.FindRootParent();
            }
            //tracker.GrabControl.ActiveTracker = tracker;


            menu.Wnd          = new PopUpWindow(tracker.GrabControl, menu);
            menu.Wnd.Location = menu.Wnd.PointToClient(pnt);
            //((PopUpWindow)menu.Wnd).ShowWindow ();

            bool no_quit = true;

            //Object queue_id = XplatUI.StartLoop(Thread.CurrentThread);



            if (tracker.GrabControl.IsDisposed)
            {
                return(true);
            }

            //if (!no_quit)
            //	XplatUI.PostQuitMessage(0);

            if (menu.Wnd != null)
            {
                menu.Wnd.Dispose();
                menu.Wnd = null;
            }

            return(true);
        }
Exemplo n.º 2
0
        static public bool TrackPopupMenu(Menu menu, Point_ pnt)
        {
            if (menu.MenuItems.Count <= 0)              // No submenus to track
            {
                return(true);
            }

            MenuTracker tracker = menu.tracker;

            tracker.active       = true;
            tracker.popup_active = true;

            // Set GrabControl
            Control src_ctrl = (tracker.TopMenu as ContextMenu).SourceControl;

            tracker.GrabControl = src_ctrl.FindForm();
            if (tracker.GrabControl == null)
            {
                tracker.GrabControl = src_ctrl.FindRootParent();
            }
            tracker.GrabControl.ActiveTracker = tracker;

            menu.Wnd          = new PopUpWindow(tracker.GrabControl, menu);
            menu.Wnd.Location = menu.Wnd.PointToClient(pnt);
            ((PopUpWindow)menu.Wnd).ShowWindow();

            bool no_quit = true;

            Object queue_id = XplatUI.StartLoop(Thread.CurrentThread);

            while ((menu.Wnd != null) && menu.Wnd.Visible && no_quit)
            {
                MSG msg = new MSG();
                no_quit = XplatUI.GetMessage(queue_id, ref msg, IntPtr.Zero, 0, 0);

                switch ((Msg)msg.message)
                {
                case Msg.WM_KEYDOWN:
                case Msg.WM_SYSKEYDOWN:
                case Msg.WM_CHAR:
                case Msg.WM_SYSCHAR:
                case Msg.WM_KEYUP:
                case Msg.WM_SYSKEYUP:
                    Control c = Control.FromHandle(msg.hwnd);
                    if (c != null)
                    {
                        Message m = Message.Create(msg.hwnd, (int)msg.message, msg.wParam, msg.lParam);
                        c.PreProcessControlMessageInternal(ref m);
                    }
                    break;

                default:
                    XplatUI.TranslateMessage(ref msg);
                    XplatUI.DispatchMessage(ref msg);
                    break;
                }
            }

            if (tracker.GrabControl.IsDisposed)
            {
                return(true);
            }

            if (!no_quit)
            {
                XplatUI.PostQuitMessage(0);
            }

            if (menu.Wnd != null)
            {
                menu.Wnd.Dispose();
                menu.Wnd = null;
            }

            return(true);
        }