include/vcl/slider.hxx

   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 _SV_SLIDER_HXX
  21 #define _SV_SLIDER_HXX
  22
  23 #include <tools/solar.h>
  24 #include <vcl/dllapi.h>
  25 #include <vcl/ctrl.hxx>
  26 // for enum ScrollType
  27 #include <vcl/scrbar.hxx>
  28
  29 // ----------
  30 // - Slider -
  31 // ----------
  32
  33 class VCL_DLLPUBLIC Slider : public Control
  34 {
  35 private:
  36     Rectangle       maChannel1Rect;
  37     Rectangle       maChannel2Rect;
  38     Rectangle       maThumbRect;
  39     long            mnStartPos;
  40     long            mnMouseOff;
  41     long            mnThumbPixOffset;
  42     long            mnThumbPixRange;
  43     long            mnThumbPixPos;
  44     long            mnChannelPixOffset;
  45     long            mnChannelPixRange;
  46     long            mnChannelPixTop;
  47     long            mnChannelPixBottom;
  48     long            mnMinRange;
  49     long            mnMaxRange;
  50     long            mnThumbPos;
  51     long            mnLineSize;
  52     long            mnPageSize;
  53     long            mnDelta;
  54     sal_uInt16          mnDragDraw;
  55     sal_uInt16          mnStateFlags;
  56     ScrollType      meScrollType;
  57     sal_Bool            mbCalcSize;
  58     sal_Bool            mbFullDrag;
  59     Link            maSlideHdl;
  60     Link            maEndSlideHdl;
  61
  62     using Control::ImplInitSettings;
  63     using Window::ImplInit;
  64     SAL_DLLPRIVATE void ImplInit( Window* pParent, WinBits nStyle );
  65     SAL_DLLPRIVATE void ImplInitSettings();
  66     SAL_DLLPRIVATE void ImplUpdateRects( sal_Bool bUpdate = sal_True );
  67     SAL_DLLPRIVATE long ImplCalcThumbPos( long nPixPos );
  68     SAL_DLLPRIVATE long ImplCalcThumbPosPix( long nPos );
  69     SAL_DLLPRIVATE void ImplCalc( sal_Bool bUpdate = sal_True );
  70     SAL_DLLPRIVATE void ImplDraw( sal_uInt16 nDrawFlags );
  71     SAL_DLLPRIVATE sal_Bool ImplIsPageUp( const Point& rPos );
  72     SAL_DLLPRIVATE sal_Bool ImplIsPageDown( const Point& rPos );
  73     SAL_DLLPRIVATE long ImplSlide( long nNewPos, sal_Bool bCallEndSlide );
  74     SAL_DLLPRIVATE long ImplDoAction( sal_Bool bCallEndSlide );
  75     SAL_DLLPRIVATE void ImplDoMouseAction( const Point& rPos, sal_Bool bCallAction = sal_True );
  76     SAL_DLLPRIVATE long ImplDoSlide( long nNewPos );
  77     SAL_DLLPRIVATE long ImplDoSlideAction( ScrollType eScrollType );
  78
  79 public:
  80                     Slider( Window* pParent, WinBits nStyle = WB_HORZ );
  81
  82     virtual void    MouseButtonDown( const MouseEvent& rMEvt );
  83     virtual void    MouseButtonUp( const MouseEvent& rMEvt );
  84     virtual void    Tracking( const TrackingEvent& rTEvt );
  85     virtual void    KeyInput( const KeyEvent& rKEvt );
  86     virtual void    Paint( const Rectangle& rRect );
  87     virtual void    Resize();
  88     virtual void    RequestHelp( const HelpEvent& rHEvt );
  89     virtual void    StateChanged( StateChangedType nType );
  90     virtual void    DataChanged( const DataChangedEvent& rDCEvt );
  91
  92     virtual void    Slide();
  93     virtual void    EndSlide();
  94
  95     void            EnableDrag( sal_Bool bEnable = sal_True )
  96                         { mbFullDrag = bEnable; }
  97     sal_Bool            IsDragEnabled() const { return mbFullDrag; }
  98
  99     long            GetRangeMin() const { return mnMinRange; }
 100     long            GetRangeMax() const { return mnMaxRange; }
 101     void            SetRange( const Range& rRange );
 102     Range           GetRange() const { return Range( GetRangeMin(), GetRangeMax() ); }
 103     void            SetThumbPos( long nThumbPos );
 104     long            GetThumbPos() const { return mnThumbPos; }
 105     void            SetLineSize( long nNewSize ) { mnLineSize = nNewSize; }
 106     long            GetLineSize() const { return mnLineSize; }
 107     void            SetPageSize( long nNewSize ) { mnPageSize = nNewSize; }
 108     long            GetPageSize() const { return mnPageSize; }
 109
 110     long            GetDelta() const { return mnDelta; }
 111
 112     Size            CalcWindowSizePixel();
 113
 114     void            SetSlideHdl( const Link& rLink ) { maSlideHdl = rLink; }
 115     const Link&     GetSlideHdl() const { return maSlideHdl;    }
 116     void            SetEndSlideHdl( const Link& rLink ) { maEndSlideHdl = rLink; }
 117     const Link&     GetEndSlideHdl() const { return maEndSlideHdl; }
 118 };
 119
 120 #endif // _SV_SLIDER_HXX
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */