include/wx/os2/scrolbar.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        scrollbar.h
   3 // Purpose:     wxScrollBar class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/15/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_SCROLBAR_H_
  13 #define _WX_SCROLBAR_H_
  14
  15 #include "wx/scrolbar.h"
  16
  17 // Scrollbar item
  18 class WXDLLEXPORT wxScrollBar: public wxScrollBarBase
  19 {
  20   DECLARE_DYNAMIC_CLASS(wxScrollBar)
  21
  22 public:
  23   inline wxScrollBar() { m_pageSize = 0; m_viewSize = 0; m_objectSize = 0; }
  24   ~wxScrollBar();
  25
  26   inline wxScrollBar(wxWindow *parent, wxWindowID id,
  27            const wxPoint& pos = wxDefaultPosition,
  28            const wxSize& size = wxDefaultSize,
  29            long style = wxSB_HORIZONTAL,
  30            const wxValidator& validator = wxDefaultValidator,
  31            const wxString& name = wxScrollBarNameStr)
  32   {
  33       Create(parent, id, pos, size, style, validator, name);
  34   }
  35   bool Create(wxWindow *parent, wxWindowID id,
  36            const wxPoint& pos = wxDefaultPosition,
  37            const wxSize& size = wxDefaultSize,
  38            long style = wxSB_HORIZONTAL,
  39            const wxValidator& validator = wxDefaultValidator,
  40            const wxString& name = wxScrollBarNameStr);
  41
  42   int GetThumbPosition() const ;
  43   inline int GetThumbSize() const { return m_pageSize; }
  44   inline int GetPageSize() const { return m_viewSize; }
  45   inline int GetRange() const { return m_objectSize; }
  46
  47   virtual void SetThumbPosition(int viewStart);
  48   virtual void SetScrollbar(int position, int thumbSize, int range, int pageSize,
  49     bool refresh = TRUE);
  50
  51 #if WXWIN_COMPATIBILITY
  52   // Backward compatibility
  53   int GetValue() const { return GetThumbPosition(); }
  54   void SetValue(int viewStart) { SetThumbPosition(viewStart); }
  55   void GetValues(int *viewStart, int *viewLength, int *objectLength,
  56           int *pageLength) const ;
  57   int GetViewLength() const { return m_viewSize; }
  58   int GetObjectLength() const { return m_objectSize; }
  59
  60   void SetPageSize(int pageLength);
  61   void SetObjectLength(int objectLength);
  62   void SetViewLength(int viewLength);
  63 #endif
  64
  65   void Command(wxCommandEvent& event);
  66
  67   virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
  68           WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
  69   virtual bool OS2OnScroll(int orientation, WXWORD wParam,
  70                            WXWORD pos, WXHWND control);
  71
  72 #if WXWIN_COMPATIBILITY
  73   // Backward compatibility: generate an old-style scroll command
  74   void OnScroll(wxScrollEvent& event);
  75 #endif // WXWIN_COMPATIBILITY
  76
  77 protected:
  78   int m_pageSize;
  79   int m_viewSize;
  80   int m_objectSize;
  81
  82 DECLARE_EVENT_TABLE()
  83 };
  84
  85 #endif
  86     // _WX_SCROLBAR_H_