include/wx/msw/slider.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/slider.h
   3 // Purpose:     wxSlider class implementation using trackbar control
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_SLIDER_H_
  13 #define _WX_SLIDER_H_
  14
  15 class WXDLLIMPEXP_FWD_CORE wxSubwindows;
  16
  17 // Slider
  18 class WXDLLIMPEXP_CORE wxSlider : public wxSliderBase
  19 {
  20 public:
  21     wxSlider() { Init(); }
  22
  23     wxSlider(wxWindow *parent,
  24              wxWindowID id,
  25              int value,
  26              int minValue,
  27              int maxValue,
  28              const wxPoint& pos = wxDefaultPosition,
  29              const wxSize& size = wxDefaultSize,
  30              long style = wxSL_HORIZONTAL,
  31              const wxValidator& validator = wxDefaultValidator,
  32              const wxString& name = wxSliderNameStr)
  33     {
  34         Init();
  35
  36         (void)Create(parent, id, value, minValue, maxValue,
  37                      pos, size, style, validator, name);
  38     }
  39
  40     bool Create(wxWindow *parent,
  41                 wxWindowID id,
  42                 int value,
  43                 int minValue, int maxValue,
  44                 const wxPoint& pos = wxDefaultPosition,
  45                 const wxSize& size = wxDefaultSize,
  46                 long style = wxSL_HORIZONTAL,
  47                 const wxValidator& validator = wxDefaultValidator,
  48                 const wxString& name = wxSliderNameStr);
  49
  50     virtual ~wxSlider();
  51
  52     // slider methods
  53     virtual int GetValue() const;
  54     virtual void SetValue(int);
  55
  56     void SetRange(int minValue, int maxValue);
  57
  58     int GetMin() const { return m_rangeMin; }
  59     int GetMax() const { return m_rangeMax; }
  60
  61     // Win32-specific slider methods
  62     void SetTickFreq(int n, int pos);
  63     int GetTickFreq() const { return m_tickFreq; }
  64     void SetPageSize(int pageSize);
  65     int GetPageSize() const;
  66     void ClearSel();
  67     void ClearTicks();
  68     void SetLineSize(int lineSize);
  69     int GetLineSize() const;
  70     int GetSelEnd() const;
  71     int GetSelStart() const;
  72     void SetSelection(int minPos, int maxPos);
  73     void SetThumbLength(int len);
  74     int GetThumbLength() const;
  75     void SetTick(int tickPos);
  76
  77     // implementation only from now on
  78     WXHWND GetStaticMin() const;
  79     WXHWND GetStaticMax() const;
  80     WXHWND GetEditValue() const;
  81     virtual bool ContainsHWND(WXHWND hWnd) const;
  82
  83     // we should let background show through the slider (and its labels)
  84     virtual bool HasTransparentBackground() { return true; }
  85
  86     // returns true if the platform should explicitly apply a theme border
  87     virtual bool CanApplyThemeBorder() const { return false; }
  88
  89     void Command(wxCommandEvent& event);
  90     virtual bool MSWOnScroll(int orientation, WXWORD wParam,
  91                              WXWORD pos, WXHWND control);
  92
  93     virtual bool Show(bool show = true);
  94     virtual bool Enable(bool show = true);
  95     virtual bool SetFont(const wxFont& font);
  96
  97     virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const;
  98
  99 protected:
 100     // common part of all ctors
 101     void Init();
 102
 103     // format an integer value as string
 104     static wxString Format(int n) { return wxString::Format(wxT("%d"), n); }
 105
 106     // get the boundig box for the slider and possible labels
 107     wxRect GetBoundingBox() const;
 108
 109     // Get the height and, if the pointers are non NULL, widths of both labels.
 110     int GetLabelsSize(int *widthMin = NULL, int *widthMax = NULL) const;
 111
 112
 113     // overridden base class virtuals
 114     virtual void DoGetPosition(int *x, int *y) const;
 115     virtual void DoGetSize(int *width, int *height) const;
 116     virtual void DoMoveWindow(int x, int y, int width, int height);
 117     virtual wxSize DoGetBestSize() const;
 118
 119     // the labels windows, if any
 120     wxSubwindows  *m_labels;
 121
 122     int           m_rangeMin;
 123     int           m_rangeMax;
 124     int           m_pageSize;
 125     int           m_lineSize;
 126     int           m_tickFreq;
 127     int           m_minLabelWidth;
 128     int           m_maxLabelWidth;
 129
 130     // flag needed to detect whether we're getting THUMBRELEASE event because
 131     // of dragging the thumb or scrolling the mouse wheel
 132     bool m_isDragging;
 133
 134     DECLARE_DYNAMIC_CLASS_NO_COPY(wxSlider)
 135 };
 136
 137 #endif // _WX_SLIDER_H_
 138