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.
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   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 #include <vcl/field.hxx>
  27
  28 class VCL_DLLPUBLIC Slider : public Control
  29 {
  30 private:
  31     tools::Rectangle       maChannel1Rect;
  32     tools::Rectangle       maChannel2Rect;
  33     tools::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      mnStateFlags;
  50     ScrollType      meScrollType;
  51     bool            mbCalcSize;
  52     bool            mbFullDrag;
  53
  54     VclPtr<NumericField> mpLinkedField;
  55
  56     Link<Slider*,void>   maSlideHdl;
  57     Link<Slider*,void>   maEndSlideHdl;
  58
  59     DECL_LINK(LinkedFieldModifyHdl, Edit&, void);
  60     DECL_LINK(LinkedFieldLoseFocusHdl, Control&, void);
  61     DECL_LINK(LinkedFieldSpinnerHdl, SpinField&, void);
  62
  63     using Control::ImplInitSettings;
  64     using Window::ImplInit;
  65     SAL_DLLPRIVATE void ImplInit( vcl::Window* pParent, WinBits nStyle );
  66     SAL_DLLPRIVATE void ImplInitSettings();
  67     SAL_DLLPRIVATE void ImplUpdateRects( bool bUpdate = true );
  68     SAL_DLLPRIVATE long ImplCalcThumbPos( long nPixPos );
  69     SAL_DLLPRIVATE long ImplCalcThumbPosPix( long nPos );
  70     SAL_DLLPRIVATE void ImplCalc( bool bUpdate = true );
  71     SAL_DLLPRIVATE void ImplDraw(vcl::RenderContext& rRenderContext);
  72     SAL_DLLPRIVATE bool ImplIsPageUp( const Point& rPos );
  73     SAL_DLLPRIVATE bool ImplIsPageDown( const Point& rPos );
  74     SAL_DLLPRIVATE long ImplSlide( long nNewPos, bool bCallEndSlide );
  75     SAL_DLLPRIVATE long ImplDoAction( bool bCallEndSlide );
  76     SAL_DLLPRIVATE void ImplDoMouseAction( const Point& rPos, bool bCallAction );
  77     SAL_DLLPRIVATE void ImplDoSlide( long nNewPos );
  78     SAL_DLLPRIVATE void ImplDoSlideAction( ScrollType eScrollType );
  79     SAL_DLLPRIVATE void ImplUpdateLinkedField();
  80
  81 public:
  82                     Slider( vcl::Window* pParent, WinBits nStyle);
  83     virtual         ~Slider() override;
  84     virtual void    dispose() override;
  85     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
  86     virtual void    MouseButtonUp( const MouseEvent& rMEvt ) override;
  87     virtual void    Tracking( const TrackingEvent& rTEvt ) override;
  88     virtual void    KeyInput( const KeyEvent& rKEvt ) override;
  89     virtual void    Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
  90     virtual void    Resize() override;
  91     virtual void    StateChanged( StateChangedType nType ) override;
  92     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) override;
  93
  94     void            Slide();
  95     void            EndSlide();
  96
  97     void            SetRangeMin(long nNewRange);
  98     long            GetRangeMin() const { return mnMinRange; }
  99     void            SetRangeMax(long nNewRange);
 100     long            GetRangeMax() const { return mnMaxRange; }
 101     void            SetRange( const Range& rRange );
 102     void            SetThumbPos( long nThumbPos );
 103     long            GetThumbPos() const { return mnThumbPos; }
 104     void            SetLineSize( long nNewSize ) { mnLineSize = nNewSize; }
 105     long            GetLineSize() const { return mnLineSize; }
 106     void            SetPageSize( long nNewSize ) { mnPageSize = nNewSize; }
 107     long            GetPageSize() const { return mnPageSize; }
 108
 109     Size            CalcWindowSizePixel();
 110
 111     void            SetLinkedField(VclPtr<NumericField> const & pField);
 112
 113     void            SetSlideHdl( const Link<Slider*,void>& rLink ) { maSlideHdl = rLink; }
 114     void            SetEndSlideHdl( const Link<Slider*,void>& rLink ) { maEndSlideHdl = rLink; }
 115 };
 116
 117 #endif // INCLUDED_VCL_SLIDER_HXX
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */