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 INCLUDED_VCL_SLIDER_HXX
  21 #define INCLUDED_VCL_SLIDER_HXX
  22
  23 #include <vcl/dllapi.h>
  24 #include <vcl/ctrl.hxx>
  25 #include <vcl/scrbar.hxx>
  26
  27 class VCL_DLLPUBLIC Slider : public Control
  28 {
  29 private:
  30     Rectangle       maChannel1Rect;
  31     Rectangle       maChannel2Rect;
  32     Rectangle       maThumbRect;
  33     long            mnStartPos;
  34     long            mnMouseOff;
  35     long            mnThumbPixOffset;
  36     long            mnThumbPixRange;
  37     long            mnThumbPixPos;
  38     long            mnChannelPixOffset;
  39     long            mnChannelPixRange;
  40     long            mnChannelPixTop;
  41     long            mnChannelPixBottom;
  42     long            mnMinRange;
  43     long            mnMaxRange;
  44     long            mnThumbPos;
  45     long            mnLineSize;
  46     long            mnPageSize;
  47     long            mnDelta;
  48     sal_uInt16      mnDragDraw;
  49     sal_uInt16      mnDrawFlags;
  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( vcl::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(vcl::RenderContext& rRenderContext, 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( vcl::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(vcl::RenderContext& rRenderContext, 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     void            Slide();
  88     void            EndSlide();
  89
  90     void            EnableDrag( bool bEnable = true )
  91                         { mbFullDrag = bEnable; }
  92     bool            IsDragEnabled() const { return mbFullDrag; }
  93
  94     void            SetRangeMin(long nNewRange);
  95     long            GetRangeMin() const { return mnMinRange; }
  96     void            SetRangeMax(long nNewRange);
  97     long            GetRangeMax() const { return mnMaxRange; }
  98     void            SetRange( const Range& rRange );
  99     Range           GetRange() const { return Range( GetRangeMin(), GetRangeMax() ); }
 100     void            SetThumbPos( long nThumbPos );
 101     long            GetThumbPos() const { return mnThumbPos; }
 102     void            SetLineSize( long nNewSize ) { mnLineSize = nNewSize; }
 103     long            GetLineSize() const { return mnLineSize; }
 104     void            SetPageSize( long nNewSize ) { mnPageSize = nNewSize; }
 105     long            GetPageSize() const { return mnPageSize; }
 106
 107     long            GetDelta() const { return mnDelta; }
 108
 109     Size            CalcWindowSizePixel();
 110
 111     void            SetSlideHdl( const Link<>& rLink ) { maSlideHdl = rLink; }
 112     const Link<>&   GetSlideHdl() const { return maSlideHdl;    }
 113     void            SetEndSlideHdl( const Link<>& rLink ) { maEndSlideHdl = rLink; }
 114     const Link<>&     GetEndSlideHdl() const { return maEndSlideHdl; }
 115 };
 116
 117 #endif // INCLUDED_VCL_SLIDER_HXX
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */