include/wx/slider.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/slider.h
   3 // Purpose:     wxSlider interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     09.02.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1996-2001 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_SLIDER_H_BASE_
  13 #define _WX_SLIDER_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_SLIDER
  22
  23 #include "wx/control.h"
  24
  25 // ----------------------------------------------------------------------------
  26 // wxSlider flags
  27 // ----------------------------------------------------------------------------
  28
  29 #define wxSL_HORIZONTAL      wxHORIZONTAL /* 0x0004 */
  30 #define wxSL_VERTICAL        wxVERTICAL   /* 0x0008 */
  31
  32 #define wxSL_TICKS           0x0010
  33 #define wxSL_AUTOTICKS       wxSL_TICKS // we don't support manual ticks
  34 #define wxSL_LABELS          0x0020
  35 #define wxSL_LEFT            0x0040
  36 #define wxSL_TOP             0x0080
  37 #define wxSL_RIGHT           0x0100
  38 #define wxSL_BOTTOM          0x0200
  39 #define wxSL_BOTH            0x0400
  40 #define wxSL_SELRANGE        0x0800
  41 #define wxSL_INVERSE         0x1000
  42
  43 #if WXWIN_COMPATIBILITY_2_6
  44     // obsolete
  45     #define wxSL_NOTIFY_DRAG     0x0000
  46 #endif // WXWIN_COMPATIBILITY_2_6
  47
  48 extern WXDLLEXPORT_DATA(const wxChar) wxSliderNameStr[];
  49
  50 // ----------------------------------------------------------------------------
  51 // wxSliderBase: define wxSlider interface
  52 // ----------------------------------------------------------------------------
  53
  54 class WXDLLEXPORT wxSliderBase : public wxControl
  55 {
  56 public:
  57     /* the ctor of the derived class should have the following form:
  58
  59     wxSlider(wxWindow *parent,
  60              wxWindowID id,
  61              int value, int minValue, int maxValue,
  62              const wxPoint& pos = wxDefaultPosition,
  63              const wxSize& size = wxDefaultSize,
  64              long style = wxSL_HORIZONTAL,
  65              const wxValidator& validator = wxDefaultValidator,
  66              const wxString& name = wxSliderNameStr);
  67     */
  68     wxSliderBase() { }
  69
  70     // get/set the current slider value (should be in range)
  71     virtual int GetValue() const = 0;
  72     virtual void SetValue(int value) = 0;
  73
  74     // retrieve/change the range
  75     virtual void SetRange(int minValue, int maxValue) = 0;
  76     virtual int GetMin() const = 0;
  77     virtual int GetMax() const = 0;
  78     void SetMin( int minValue ) { SetRange( minValue , GetMax() ) ; }
  79     void SetMax( int maxValue ) { SetRange( GetMin() , maxValue ) ; }
  80
  81     // the line/page size is the increment by which the slider moves when
  82     // cursor arrow key/page up or down are pressed (clicking the mouse is like
  83     // pressing PageUp/Down) and are by default set to 1 and 1/10 of the range
  84     virtual void SetLineSize(int lineSize) = 0;
  85     virtual void SetPageSize(int pageSize) = 0;
  86     virtual int GetLineSize() const = 0;
  87     virtual int GetPageSize() const = 0;
  88
  89     // these methods get/set the length of the slider pointer in pixels
  90     virtual void SetThumbLength(int lenPixels) = 0;
  91     virtual int GetThumbLength() const = 0;
  92
  93     // warning: most of subsequent methods are currently only implemented in
  94     //          wxMSW under Win95 and are silently ignored on other platforms
  95
  96     virtual void SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos)) { }
  97     virtual int GetTickFreq() const { return 0; }
  98     virtual void ClearTicks() { }
  99     virtual void SetTick(int WXUNUSED(tickPos)) { }
 100
 101     virtual void ClearSel() { }
 102     virtual int GetSelEnd() const { return GetMin(); }
 103     virtual int GetSelStart() const { return GetMax(); }
 104     virtual void SetSelection(int WXUNUSED(min), int WXUNUSED(max)) { }
 105
 106 protected:
 107
 108     // adjust value according to wxSL_INVERSE style
 109     virtual int ValueInvertOrNot(int value) const
 110     {
 111         if (HasFlag(wxSL_INVERSE))
 112             return (GetMax() + GetMin()) - value;
 113         else
 114             return value;
 115     }
 116
 117 private:
 118     DECLARE_NO_COPY_CLASS(wxSliderBase)
 119 };
 120
 121 // ----------------------------------------------------------------------------
 122 // include the real class declaration
 123 // ----------------------------------------------------------------------------
 124
 125 #if defined(__WXUNIVERSAL__)
 126     #include "wx/univ/slider.h"
 127 #elif defined(__WXMSW__)
 128     #include "wx/msw/slider95.h"
 129     #if WXWIN_COMPATIBILITY_2_4
 130          #define wxSlider95 wxSlider
 131     #endif
 132 #elif defined(__WXMOTIF__)
 133     #include "wx/motif/slider.h"
 134 #elif defined(__WXGTK20__)
 135     #include "wx/gtk/slider.h"
 136 #elif defined(__WXGTK__)
 137     #include "wx/gtk1/slider.h"
 138 #elif defined(__WXMAC__)
 139     #include "wx/mac/slider.h"
 140 #elif defined(__WXCOCOA__)
 141     #include "wx/cocoa/slider.h"
 142 #elif defined(__WXPM__)
 143     #include "wx/os2/slider.h"
 144 #elif defined(__WXPALMOS__)
 145     #include "wx/palmos/slider.h"
 146 #endif
 147
 148 #endif // wxUSE_SLIDER
 149
 150 #endif
 151     // _WX_SLIDER_H_BASE_