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Diffstat (limited to 'include/vcl/clipmgr.hxx')
-rw-r--r-- | include/vcl/clipmgr.hxx | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/vcl/clipmgr.hxx b/include/vcl/clipmgr.hxx new file mode 100644 index 000000000000..1c063868cdd4 --- /dev/null +++ b/include/vcl/clipmgr.hxx @@ -0,0 +1,63 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_VCL_INC_CLIPMGR_HXX +#define INCLUDED_VCL_INC_CLIPMGR_HXX + +#include <vcl/window.hxx> +#include <vcl/virdev.hxx> + +#include <sal/types.h> + + +class VCL_DLLPUBLIC ClipManager +{ +private: + static bool instanceFlag; + static ClipManager *single; + ClipManager() {}; + + void clipSiblings( Window* pWindow, Region& rRegion ); + void intersectClipRegion( Window* pWindow, Region& rRegion ); + void excludeOverlapWindows( Window *pWindow, Region& rRegion ); + void initChildClipRegion( Window *pWindow ); + +public: + ~ClipManager() { instanceFlag = false; } + static ClipManager *GetInstance(); + + void SetParentClipMode( Window* pWindow, sal_uInt16 nMode ); + sal_uInt16 GetParentClipMode( Window* pWindow ) const; + + bool IsOverlapWindow( Window* pWindow ) const; + + void InitClipRegion( Window *pWindow ); + void ClipBoundaries( Window* pWindow, Region& rRegion, bool bThis, bool bOverlaps ); + bool ClipChildren( Window *pWindow, Region& rRegion ); + void ClipAllChildren( Window *pWindow, Region& rRegion ); + Region* GetChildClipRegion( Window* pWindow ); + bool ClipCoversWholeWindow( Window *pWindow ); + + void Intersect( Window* pWindow, Region& rRegion ); + void Exclude( Window *pWindow, Region& rRegion ); +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |