1 files changed, 128 insertions, 0 deletions
diff --git a/vcl/source/window/menufloatingwindow.hxx b/vcl/source/window/menufloatingwindow.hxx
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+++ b/vcl/source/window/menufloatingwindow.hxx
@@ -0,0 +1,128 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include "menuwindow.hxx"
+
+#include <vcl/toolkit/floatwin.hxx>
+#include <vcl/menu.hxx>
+
+#define EXTRASPACEY         2
+#define GUTTERBORDER        8
+
+/** Class that implements the actual window of the floating menu.
+*/
+class MenuFloatingWindow : public FloatingWindow, public MenuWindow
+{
+    friend void Menu::ImplFillLayoutData() const;
+    friend void Menu::dispose();
+
+private:
+    VclPtr<Menu> pMenu;
+    VclPtr<PopupMenu> pActivePopup;
+    Timer aHighlightChangedTimer;
+    Timer aSubmenuCloseTimer;
+    Timer aScrollTimer;
+    VclPtr<vcl::Window> xSaveFocusId;
+    sal_uInt16 nHighlightedItem; // highlighted/selected Item
+    sal_uInt16 nMBDownPos;
+    sal_uInt16 nScrollerHeight;
+    sal_uInt16 nFirstEntry;
+    sal_uInt16 nPosInParent;
+
+    bool bInExecute : 1;
+    bool bScrollMenu : 1;
+    bool bScrollUp : 1;
+    bool bScrollDown : 1;
+    bool bIgnoreFirstMove : 1;
+    bool bKeyInput : 1;
+
+    DECL_LINK( PopupEnd, FloatingWindow*, void );
+    DECL_LINK( HighlightChanged, Timer*, void );
+    DECL_LINK( SubmenuClose, Timer *, void );
+    DECL_LINK( AutoScroll, Timer *, void );
+    DECL_LINK( ShowHideListener, VclWindowEvent&, void );
+
+    virtual void StateChanged( StateChangedType nType ) override;
+    virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
+
+    void InitMenuClipRegion(vcl::RenderContext& rRenderContext);
+
+    void Start();
+    void End();
+
+protected:
+    vcl::Region ImplCalcClipRegion() const;
+    void ImplDrawScroller(vcl::RenderContext& rRenderContext, bool bUp);
+    using Window::ImplScroll;
+    void ImplScroll( const Point& rMousePos );
+    void ImplScroll( bool bUp );
+    void ImplCursorUpDown( bool bUp, bool bHomeEnd = false );
+    void ImplHighlightItem( const MouseEvent& rMEvt, bool bMBDown );
+    tools::Long ImplGetStartY() const;
+    tools::Rectangle ImplGetItemRect( sal_uInt16 nPos ) const;
+    void RenderHighlightItem( vcl::RenderContext& rRenderContext, sal_uInt16 nPos );
+    tools::Long GetInitialItemY( tools::Long *pOptStartY = nullptr ) const;
+    void InvalidateItem( sal_uInt16 nPos );
+
+public:
+    MenuFloatingWindow(Menu* pMenu, vcl::Window* pParent, WinBits nStyle);
+    virtual ~MenuFloatingWindow() override;
+
+    virtual void dispose() override;
+    void doShutdown();
+
+    virtual void MouseMove(const MouseEvent& rMEvt) override;
+    virtual void MouseButtonDown(const MouseEvent& rMEvt) override;
+    virtual void MouseButtonUp(const MouseEvent& rMEvt) override;
+    virtual void KeyInput(const KeyEvent& rKEvent) override;
+    virtual void Command(const CommandEvent& rCEvt) override;
+    virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
+    virtual void RequestHelp( const HelpEvent& rHEvt ) override;
+    virtual void Resize() override;
+
+    virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
+
+    void SetFocusId( const VclPtr<vcl::Window>& xId ) { xSaveFocusId = xId; }
+    const VclPtr<vcl::Window>& GetFocusId() const      { return xSaveFocusId; }
+
+    void EnableScrollMenu( bool b );
+    bool IsScrollMenu() const        { return bScrollMenu; }
+    sal_uInt16 GetScrollerHeight() const   { return nScrollerHeight; }
+
+    void Execute();
+    void StopExecute();
+    void EndExecute();
+    void EndExecute( sal_uInt16 nSelectId );
+
+    PopupMenu* GetActivePopup() const  { return pActivePopup; }
+    void KillActivePopup( PopupMenu* pThisOnly = nullptr );
+
+    void ChangeHighlightItem(sal_uInt16 n, bool bStartPopupTimer);
+    sal_uInt16 GetHighlightedItem() const { return nHighlightedItem; }
+
+    void SetPosInParent( sal_uInt16 nPos ) { nPosInParent = nPos; }
+
+    bool MenuInHierarchyHasFocus() const;
+
+    virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */