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       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_VCL_SLIDER_HXX
      21             : #define INCLUDED_VCL_SLIDER_HXX
      22             : 
      23             : #include <vcl/dllapi.h>
      24             : #include <vcl/ctrl.hxx>
      25             : // for enum ScrollType
      26             : #include <vcl/scrbar.hxx>
      27             : 
      28           0 : class VCL_DLLPUBLIC Slider : public Control
      29             : {
      30             : private:
      31             :     Rectangle       maChannel1Rect;
      32             :     Rectangle       maChannel2Rect;
      33             :     Rectangle       maThumbRect;
      34             :     long            mnStartPos;
      35             :     long            mnMouseOff;
      36             :     long            mnThumbPixOffset;
      37             :     long            mnThumbPixRange;
      38             :     long            mnThumbPixPos;
      39             :     long            mnChannelPixOffset;
      40             :     long            mnChannelPixRange;
      41             :     long            mnChannelPixTop;
      42             :     long            mnChannelPixBottom;
      43             :     long            mnMinRange;
      44             :     long            mnMaxRange;
      45             :     long            mnThumbPos;
      46             :     long            mnLineSize;
      47             :     long            mnPageSize;
      48             :     long            mnDelta;
      49             :     sal_uInt16          mnDragDraw;
      50             :     sal_uInt16          mnStateFlags;
      51             :     ScrollType      meScrollType;
      52             :     bool            mbCalcSize;
      53             :     bool            mbFullDrag;
      54             :     Link            maSlideHdl;
      55             :     Link            maEndSlideHdl;
      56             : 
      57             :     using Control::ImplInitSettings;
      58             :     using Window::ImplInit;
      59             :     SAL_DLLPRIVATE void ImplInit( Window* pParent, WinBits nStyle );
      60             :     SAL_DLLPRIVATE void ImplInitSettings();
      61             :     SAL_DLLPRIVATE void ImplUpdateRects( bool bUpdate = true );
      62             :     SAL_DLLPRIVATE long ImplCalcThumbPos( long nPixPos );
      63             :     SAL_DLLPRIVATE long ImplCalcThumbPosPix( long nPos );
      64             :     SAL_DLLPRIVATE void ImplCalc( bool bUpdate = true );
      65             :     SAL_DLLPRIVATE void ImplDraw( sal_uInt16 nDrawFlags );
      66             :     SAL_DLLPRIVATE bool ImplIsPageUp( const Point& rPos );
      67             :     SAL_DLLPRIVATE bool ImplIsPageDown( const Point& rPos );
      68             :     SAL_DLLPRIVATE long ImplSlide( long nNewPos, bool bCallEndSlide );
      69             :     SAL_DLLPRIVATE long ImplDoAction( bool bCallEndSlide );
      70             :     SAL_DLLPRIVATE void ImplDoMouseAction( const Point& rPos, bool bCallAction = true );
      71             :     SAL_DLLPRIVATE long ImplDoSlide( long nNewPos );
      72             :     SAL_DLLPRIVATE long ImplDoSlideAction( ScrollType eScrollType );
      73             : 
      74             : public:
      75             :                     Slider( Window* pParent, WinBits nStyle = WB_HORZ );
      76             : 
      77             :     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) SAL_OVERRIDE;
      78             :     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) SAL_OVERRIDE;
      79             :     virtual void    Tracking( const TrackingEvent& rTEvt ) SAL_OVERRIDE;
      80             :     virtual void    KeyInput( const KeyEvent& rKEvt ) SAL_OVERRIDE;
      81             :     virtual void    Paint( const Rectangle& rRect ) SAL_OVERRIDE;
      82             :     virtual void    Resize() SAL_OVERRIDE;
      83             :     virtual void    RequestHelp( const HelpEvent& rHEvt ) SAL_OVERRIDE;
      84             :     virtual void    StateChanged( StateChangedType nType ) SAL_OVERRIDE;
      85             :     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) SAL_OVERRIDE;
      86             : 
      87             :     virtual void    Slide();
      88             :     virtual void    EndSlide();
      89             : 
      90             :     void            EnableDrag( bool bEnable = true )
      91             :                         { mbFullDrag = bEnable; }
      92             :     bool            IsDragEnabled() const { return mbFullDrag; }
      93             : 
      94           0 :     long            GetRangeMin() const { return mnMinRange; }
      95           0 :     long            GetRangeMax() const { return mnMaxRange; }
      96             :     void            SetRange( const Range& rRange );
      97             :     Range           GetRange() const { return Range( GetRangeMin(), GetRangeMax() ); }
      98             :     void            SetThumbPos( long nThumbPos );
      99           0 :     long            GetThumbPos() const { return mnThumbPos; }
     100           0 :     void            SetLineSize( long nNewSize ) { mnLineSize = nNewSize; }
     101           0 :     long            GetLineSize() const { return mnLineSize; }
     102           0 :     void            SetPageSize( long nNewSize ) { mnPageSize = nNewSize; }
     103           0 :     long            GetPageSize() const { return mnPageSize; }
     104             : 
     105             :     long            GetDelta() const { return mnDelta; }
     106             : 
     107             :     Size            CalcWindowSizePixel();
     108             : 
     109           0 :     void            SetSlideHdl( const Link& rLink ) { maSlideHdl = rLink; }
     110             :     const Link&     GetSlideHdl() const { return maSlideHdl;    }
     111           0 :     void            SetEndSlideHdl( const Link& rLink ) { maEndSlideHdl = rLink; }
     112             :     const Link&     GetEndSlideHdl() const { return maEndSlideHdl; }
     113             : };
     114             : 
     115             : #endif // INCLUDED_VCL_SLIDER_HXX
     116             : 
     117             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */