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             : #include <vcl/scrbar.hxx>
      25             : #include <o3tl/typed_flags_set.hxx>
      26             : #include <vcl/vclptr.hxx>
      27             : 
      28             : class DataChangedEvent;
      29             : 
      30             : 
      31             : // - ScrollableWindow-Type -
      32             : 
      33             : 
      34             : enum class ScrollableWindowFlags
      35             : {
      36             :     THUMBDRAGGING = 1,
      37             :     VCENTER       = 2,
      38             :     HCENTER       = 4,
      39             :     DEFAULT       = THUMBDRAGGING | VCENTER | HCENTER,
      40             : };
      41             : namespace o3tl
      42             : {
      43             :     template<> struct typed_flags<ScrollableWindowFlags> : is_typed_flags<ScrollableWindowFlags, 0x07> {};
      44             : }
      45             : 
      46             : 
      47             : // - ScrollableWindow -
      48             : 
      49             : 
      50             : class SVT_DLLPUBLIC ScrollableWindow: public vcl::Window
      51             : {
      52             : private:
      53             :     Point           aPixOffset;         // offset to virtual window (pixel)
      54             :     Size            aTotPixSz;          // total size of virtual window (pixel)
      55             :     long            nLinePixH;          // size of a line/column (pixel)
      56             :     long            nColumnPixW;
      57             : 
      58             :     VclPtr<ScrollBar>    aVScroll;           // the scrollbars
      59             :     VclPtr<ScrollBar>    aHScroll;
      60             :     VclPtr<ScrollBarBox> aCornerWin;         // window in the bottom right corner
      61             :     bool            bScrolling:1,       // user controlled scrolling
      62             :                     bHandleDragging:1,  // scroll window while dragging
      63             :                     bHCenter:1,
      64             :                     bVCenter:1;
      65             : 
      66             :     SVT_DLLPRIVATE void         ImpInitialize( ScrollableWindowFlags nFlags );
      67             :     DECL_DLLPRIVATE_LINK( ScrollHdl, ScrollBar * );
      68             :     DECL_DLLPRIVATE_LINK( EndScrollHdl, ScrollBar * );
      69             : 
      70             : public:
      71             :                     ScrollableWindow( vcl::Window* pParent, WinBits nBits = 0,
      72             :                                       ScrollableWindowFlags = ScrollableWindowFlags::DEFAULT );
      73             :     virtual         ~ScrollableWindow();
      74             :     virtual void    dispose() SAL_OVERRIDE;
      75             : 
      76             :     virtual void    Resize() SAL_OVERRIDE;
      77             :     virtual void    Command( const CommandEvent& rCEvt ) SAL_OVERRIDE;
      78             :     virtual void    DataChanged( const DataChangedEvent& rDEvt ) SAL_OVERRIDE;
      79             : 
      80             :     using OutputDevice::SetMapMode;
      81             :     virtual void    SetMapMode( const MapMode& rNewMapMode ) SAL_OVERRIDE;
      82             :     MapMode GetMapMode() const;
      83             : 
      84             :     void            SetTotalSize( const Size& rNewSize );
      85          31 :     Size            GetTotalSize() { return PixelToLogic( aTotPixSz ); }
      86             : 
      87             :     using Window::Scroll;
      88             :     virtual void    Scroll( long nDeltaX, long nDeltaY, ScrollFlags nFlags = ScrollFlags::NONE ) SAL_OVERRIDE;
      89             : 
      90             : private:
      91             :     SVT_DLLPRIVATE Size         GetOutputSizePixel() const;
      92             : };
      93             : 
      94             : #endif
      95             : 
      96             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */