Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_SVTOOLS_SCRWIN_HXX
      21             : #define INCLUDED_SVTOOLS_SCRWIN_HXX
      22             : 
      23             : #include <svtools/svtdllapi.h>
      24             : 
      25             : #include <vcl/scrbar.hxx>
      26             : 
      27             : class DataChangedEvent;
      28             : 
      29             : 
      30             : // - ScrollableWindow-Type -
      31             : 
      32             : 
      33             : typedef sal_uInt16 ScrollableWindowFlags;
      34             : 
      35             : #define SCRWIN_THUMBDRAGGING 1
      36             : #define SCRWIN_VCENTER       2
      37             : #define SCRWIN_HCENTER       4
      38             : #define SCRWIN_DEFAULT       (SCRWIN_THUMBDRAGGING | SCRWIN_VCENTER | SCRWIN_HCENTER)
      39             : 
      40             : 
      41             : // - ScrollableWindow -
      42             : 
      43             : 
      44          42 : class SVT_DLLPUBLIC ScrollableWindow: public vcl::Window
      45             : {
      46             : private:
      47             :     Point           aPixOffset;         // offset to virtual window (pixel)
      48             :     Size            aTotPixSz;          // total size of virtual window (pixel)
      49             :     long            nLinePixH;          // size of a line/column (pixel)
      50             :     long            nColumnPixW;
      51             : 
      52             :     ScrollBar       aVScroll;           // the scrollbars
      53             :     ScrollBar       aHScroll;
      54             :     ScrollBarBox    aCornerWin;         // window in the bottom right corner
      55             :     bool            bScrolling:1,       // user controlled scrolling
      56             :                     bHandleDragging:1,  // scroll window while dragging
      57             :                     bHCenter:1,
      58             :                     bVCenter:1;
      59             : 
      60             :     SVT_DLLPRIVATE void         ImpInitialize( ScrollableWindowFlags nFlags );
      61             :     DECL_DLLPRIVATE_LINK( ScrollHdl, ScrollBar * );
      62             :     DECL_DLLPRIVATE_LINK( EndScrollHdl, ScrollBar * );
      63             : 
      64             : public:
      65             :                     ScrollableWindow( vcl::Window* pParent, WinBits nBits = 0,
      66             :                                       ScrollableWindowFlags = SCRWIN_DEFAULT );
      67             : 
      68             :     virtual void    Resize() SAL_OVERRIDE;
      69             :     virtual void    Command( const CommandEvent& rCEvt ) SAL_OVERRIDE;
      70             :     virtual void    DataChanged( const DataChangedEvent& rDEvt ) SAL_OVERRIDE;
      71             : 
      72             :     virtual void    StartScroll();
      73             :     virtual void    EndScroll( long nDeltaX, long nDeltaY );
      74             : 
      75             :     using OutputDevice::SetMapMode;
      76             :     virtual void    SetMapMode( const MapMode& rNewMapMode ) SAL_OVERRIDE;
      77             :     virtual MapMode GetMapMode() const;
      78             : 
      79             :     void            SetTotalSize( const Size& rNewSize );
      80          58 :     Size            GetTotalSize() { return PixelToLogic( aTotPixSz ); }
      81             : 
      82             :     using Window::Scroll;
      83             :     virtual void    Scroll( long nDeltaX, long nDeltaY, sal_uInt16 nFlags = 0 ) SAL_OVERRIDE;
      84             : 
      85             : private:
      86             :     SVT_DLLPRIVATE Size         GetOutputSizePixel() const;
      87             : };
      88             : 
      89             : #endif
      90             : 
      91             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */