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 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/renderer.h"
  19
  20 class MyDllRenderer : public wxRendererNative
  21 {
  22 public:
  23     // draw the header control button (used by wxListCtrl)
  24     virtual void DrawHeaderButton(wxWindow *win,
  25                                   wxDC& dc,
  26                                   const wxRect& rect,
  27                                   int flags = 0)
  28     {
  29         dc.SetBrush(*wxCYAN_BRUSH);
  30         dc.SetTextForeground(*wxRED);
  31         dc.DrawRoundedRectangle(rect, 10);
  32         dc.DrawLabel(_T("MyDllRenderer"), wxNullBitmap, rect, wxALIGN_CENTER);
  33     }
  34
  35     // draw the expanded/collapsed icon for a tree control item
  36     virtual void DrawTreeItemButton(wxWindow *win,
  37                                     wxDC& dc,
  38                                     const wxRect& rect,
  39                                     int flags = 0)
  40     {
  41     }
  42
  43     // draw the border for sash window: this border must be such that the sash
  44     // drawn by DrawSash() blends into it well
  45     virtual void DrawSplitterBorder(wxWindow *win,
  46                                     wxDC& dc,
  47                                     const wxRect& rect,
  48                                     int flags = 0)
  49     {
  50     }
  51
  52     // draw a (vertical) sash
  53     virtual void DrawSplitterSash(wxWindow *win,
  54                                   wxDC& dc,
  55                                   const wxSize& size,
  56                                   wxCoord position,
  57                                   wxOrientation orient,
  58                                   int flags = 0)
  59     {
  60     }
  61
  62     // get the splitter parameters: the x field of the returned point is the
  63     // sash width and the y field is the border width
  64     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
  65     {
  66         return wxSplitterRenderParams(0, 0, 0);
  67     }
  68
  69 #if 0 // just for debugging
  70     MyDllRenderer()
  71     {
  72         wxMessageBox(_T("Creating MyDllRenderer"), _T("Renderer Sample"));
  73     }
  74
  75     virtual ~MyDllRenderer()
  76     {
  77         wxMessageBox(_T("Deleting MyDllRenderer"), _T("Renderer Sample"));
  78     }
  79 #endif // 0
  80 };
  81
  82 extern "C"
  83 WXEXPORT wxRendererNative *wxCreateRenderer()
  84 {
  85     return new MyDllRenderer;
  86 }
  87