include/wx/gtk/scrolwin.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/scrolwin.h
   3 // Purpose:     wxScrolledWindow class
   4 // Author:      Robert Roebling
   5 // Modified by: Vadim Zeitlin (2005-10-10): wxScrolledWindow is now common
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GTK_SCROLLWIN_H_
  13 #define _WX_GTK_SCROLLWIN_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // wxScrolledWindow
  17 // ----------------------------------------------------------------------------
  18
  19 class WXDLLEXPORT wxScrollHelperNative : public wxScrollHelper
  20 {
  21 public:
  22     // default ctor doesn't do anything
  23     wxScrollHelperNative(wxWindow *win) : wxScrollHelper(win) { }
  24
  25     virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
  26                                int noUnitsX, int noUnitsY,
  27                                int xPos = 0, int yPos = 0,
  28                                bool noRefresh = false);
  29     virtual void AdjustScrollbars();
  30     virtual void Scroll(int x, int y);
  31
  32 protected:
  33     // this does (each) half of AdjustScrollbars() work
  34     void DoAdjustScrollbar(GtkAdjustment *adj,
  35                            int pixelsPerLine,
  36                            int winSize,
  37                            int virtSize,
  38                            int *pos,
  39                            int *lines,
  40                            int *linesPerPage);
  41
  42     // and this does the same for Scroll()
  43     void DoScroll(int orient,
  44                   GtkAdjustment *adj,
  45                   int pos,
  46                   int pixelsPerLine,
  47                   int *posOld);
  48
  49 private:
  50     DECLARE_NO_COPY_CLASS(wxScrollHelperNative)
  51 };
  52
  53 #endif // _WX_GTK_SCROLLWIN_H_
  54