samples/render/renddll.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        renddll.cpp
   3 // Purpose:     Example of a renderer implemented in a DLL
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     04.08.03
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/renderer.h"
  15
  16 class MyDllRenderer : public wxRendererNative
  17 {
  18 public:
  19     // draw the header control button (used by wxListCtrl)
  20     virtual void DrawHeaderButton(wxWindow *win,
  21                                   wxDC& dc,
  22                                   const wxRect& rect,
  23                                   int flags = 0)
  24     {
  25         dc.SetBrush(*wxCYAN_BRUSH);
  26         dc.SetTextForeground(*wxRED);
  27         dc.DrawRoundedRectangle(rect, 10);
  28         dc.DrawLabel(_T("MyDllRenderer"), wxNullBitmap, rect, wxALIGN_CENTER);
  29     }
  30
  31     // draw the expanded/collapsed icon for a tree control item
  32     virtual void DrawTreeItemButton(wxWindow *win,
  33                                     wxDC& dc,
  34                                     const wxRect& rect,
  35                                     int flags = 0)
  36     {
  37     }
  38
  39     // draw the border for sash window: this border must be such that the sash
  40     // drawn by DrawSash() blends into it well
  41     virtual void DrawSplitterBorder(wxWindow *win,
  42                                     wxDC& dc,
  43                                     const wxRect& rect,
  44                                     int flags = 0)
  45     {
  46     }
  47
  48     // draw a (vertical) sash
  49     virtual void DrawSplitterSash(wxWindow *win,
  50                                   wxDC& dc,
  51                                   const wxSize& size,
  52                                   wxCoord position,
  53                                   wxOrientation orient,
  54                                   int flags = 0)
  55     {
  56     }
  57
  58     // get the splitter parameters: the x field of the returned point is the
  59     // sash width and the y field is the border width
  60     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
  61     {
  62         return wxSplitterRenderParams(0, 0, 0);
  63     }
  64
  65 #if 0 // just for debugging
  66     MyDllRenderer()
  67     {
  68         wxMessageBox(_T("Creating MyDllRenderer"), _T("Renderer Sample"));
  69     }
  70
  71     virtual ~MyDllRenderer()
  72     {
  73         wxMessageBox(_T("Deleting MyDllRenderer"), _T("Renderer Sample"));
  74     }
  75 #endif // 0
  76 };
  77
  78 extern "C"
  79 WXEXPORT wxRendererNative *wxCreateRenderer()
  80 {
  81     return new MyDllRenderer;
  82 }
  83