vcl/inc/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/toolkit/scrbar.hxx>
  26
  27 class Slider final : public Control
  28 {
  29 private:
  30     tools::Rectangle       maChannel1Rect;
  31     tools::Rectangle       maChannel2Rect;
  32     tools::Rectangle       maThumbRect;
  33     tools::Long            mnStartPos;
  34     tools::Long            mnMouseOff;
  35     tools::Long            mnThumbPixOffset;
  36     tools::Long            mnThumbPixRange;
  37     tools::Long            mnThumbPixPos;
  38     tools::Long            mnThumbSize;
  39     tools::Long            mnChannelPixRange;
  40     tools::Long            mnChannelPixTop;
  41     tools::Long            mnChannelPixBottom;
  42     tools::Long            mnMinRange;
  43     tools::Long            mnMaxRange;
  44     tools::Long            mnThumbPos;
  45     tools::Long            mnLineSize;
  46     tools::Long            mnPageSize;
  47     sal_uInt16      mnStateFlags;
  48     ScrollType      meScrollType;
  49     bool            mbCalcSize;
  50
  51     Link<Slider*,void>   maSlideHdl;
  52
  53     using Control::ImplInitSettings;
  54     using Window::ImplInit;
  55     void ImplInit( vcl::Window* pParent, WinBits nStyle );
  56     void ImplInitSettings();
  57     void ImplUpdateRects( bool bUpdate = true );
  58     tools::Long ImplCalcThumbPos( tools::Long nPixPos ) const;
  59     tools::Long ImplCalcThumbPosPix( tools::Long nPos ) const;
  60     void ImplCalc( bool bUpdate = true );
  61     void ImplDraw(vcl::RenderContext& rRenderContext);
  62     bool ImplIsPageUp( const Point& rPos ) const;
  63     bool ImplIsPageDown( const Point& rPos ) const;
  64     tools::Long ImplSlide( tools::Long nNewPos );
  65     tools::Long ImplDoAction( );
  66     void ImplDoMouseAction( const Point& rPos, bool bCallAction );
  67     void ImplDoSlide( tools::Long nNewPos );
  68     void ImplDoSlideAction( ScrollType eScrollType );
  69
  70 public:
  71                     Slider( vcl::Window* pParent, WinBits nStyle);
  72     virtual         ~Slider() override;
  73     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
  74     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) override;
  75     virtual void    Tracking( const TrackingEvent& rTEvt ) override;
  76     virtual void    KeyInput( const KeyEvent& rKEvt ) override;
  77     virtual void    Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
  78     virtual void    Resize() override;
  79     virtual void    StateChanged( StateChangedType nType ) override;
  80     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) override;
  81
  82     void            Slide();
  83
  84     void            SetRangeMin(tools::Long nNewRange);
  85     tools::Long            GetRangeMin() const { return mnMinRange; }
  86     void            SetRangeMax(tools::Long nNewRange);
  87     tools::Long            GetRangeMax() const { return mnMaxRange; }
  88     void            SetRange( const Range& rRange );
  89     void            SetThumbPos( tools::Long nThumbPos );
  90     tools::Long            GetThumbPos() const { return mnThumbPos; }
  91     void            SetLineSize( tools::Long nNewSize ) { mnLineSize = nNewSize; }
  92     tools::Long            GetLineSize() const { return mnLineSize; }
  93     void            SetPageSize( tools::Long nNewSize ) { mnPageSize = nNewSize; }
  94     tools::Long            GetPageSize() const { return mnPageSize; }
  95
  96     Size            CalcWindowSizePixel() const;
  97
  98     void            SetSlideHdl( const Link<Slider*,void>& rLink ) { maSlideHdl = rLink; }
  99 };
 100
 101 #endif // INCLUDED_VCL_SLIDER_HXX
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */