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 #if wxUSE_VALIDATORS
  31            const wxValidator& validator = wxDefaultValidator,
  32 #endif
  33            const wxString& name = wxScrollBarNameStr)
  34   {
  35       Create(parent, id, pos, size, style, validator, name);
  36   }
  37   bool Create(wxWindow *parent, wxWindowID id,
  38            const wxPoint& pos = wxDefaultPosition,
  39            const wxSize& size = wxDefaultSize,
  40            long style = wxSB_HORIZONTAL,
  41 #if wxUSE_VALIDATORS
  42            const wxValidator& validator = wxDefaultValidator,
  43 #endif
  44            const wxString& name = wxScrollBarNameStr);
  45
  46   int GetThumbPosition() const ;
  47   inline int GetThumbSize() const { return m_pageSize; }
  48   inline int GetPageSize() const { return m_viewSize; }
  49   inline int GetRange() const { return m_objectSize; }
  50
  51   virtual void SetThumbPosition(int viewStart);
  52   virtual void SetScrollbar(int position, int thumbSize, int range, int pageSize,
  53     bool refresh = TRUE);
  54
  55 #if WXWIN_COMPATIBILITY
  56   // Backward compatibility
  57   int GetValue() const { return GetThumbPosition(); }
  58   void SetValue(int viewStart) { SetThumbPosition(viewStart); }
  59   void GetValues(int *viewStart, int *viewLength, int *objectLength,
  60           int *pageLength) const ;
  61   int GetViewLength() const { return m_viewSize; }
  62   int GetObjectLength() const { return m_objectSize; }
  63
  64   void SetPageSize(int pageLength);
  65   void SetObjectLength(int objectLength);
  66   void SetViewLength(int viewLength);
  67 #endif
  68
  69   void Command(wxCommandEvent& event);
  70
  71   virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
  72           WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
  73   virtual bool OS2OnScroll(int orientation, WXWORD wParam,
  74                            WXWORD pos, WXHWND control);
  75
  76 #if WXWIN_COMPATIBILITY
  77   // Backward compatibility: generate an old-style scroll command
  78   void OnScroll(wxScrollEvent& event);
  79 #endif // WXWIN_COMPATIBILITY
  80
  81 protected:
  82   int m_pageSize;
  83   int m_viewSize;
  84   int m_objectSize;
  85
  86 DECLARE_EVENT_TABLE()
  87 };
  88
  89 #endif
  90     // _WX_SCROLBAR_H_