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@wxwidgets.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 #ifndef WX_PRECOMP
  21     #include "wx/dc.h"
  22 #endif
  23
  24 class MyDllRenderer : public wxRendererNative
  25 {
  26 public:
  27     // draw the header control button (used by wxListCtrl)
  28     virtual void DrawHeaderButton(wxWindow *win,
  29                                   wxDC& dc,
  30                                   const wxRect& rect,
  31                                   int flags = 0)
  32     {
  33         dc.SetBrush(*wxCYAN_BRUSH);
  34         dc.SetTextForeground(*wxRED);
  35         dc.DrawRoundedRectangle(rect, 10);
  36         dc.DrawLabel(_T("MyDllRenderer"), wxNullBitmap, rect, wxALIGN_CENTER);
  37     }
  38
  39     // draw the expanded/collapsed icon for a tree control item
  40     virtual void DrawTreeItemButton(wxWindow *win,
  41                                     wxDC& dc,
  42                                     const wxRect& rect,
  43                                     int flags = 0)
  44     {
  45     }
  46
  47     // draw check button
  48     virtual void DrawCheckButton(wxWindow *win,
  49                                  wxDC& dc,
  50                                  const wxRect& rect,
  51                                  int flags = 0)
  52     {
  53     }
  54
  55     // draw blank button
  56     virtual void DrawPushButton(wxWindow *win,
  57                                 wxDC& dc,
  58                                 const wxRect& rect,
  59                                 int flags = 0)
  60     {
  61     }
  62
  63     // draw the border for sash window: this border must be such that the sash
  64     // drawn by DrawSash() blends into it well
  65     virtual void DrawSplitterBorder(wxWindow *win,
  66                                     wxDC& dc,
  67                                     const wxRect& rect,
  68                                     int flags = 0)
  69     {
  70     }
  71
  72     // draw a (vertical) sash
  73     virtual void DrawSplitterSash(wxWindow *win,
  74                                   wxDC& dc,
  75                                   const wxSize& size,
  76                                   wxCoord position,
  77                                   wxOrientation orient,
  78                                   int flags = 0)
  79     {
  80     }
  81
  82     // draw a combobox dropdown button
  83     //
  84     // flags may only use wxCONTROL_PRESSED
  85     virtual void DrawComboBoxDropButton(wxWindow *win,
  86                                         wxDC& dc,
  87                                         const wxRect& rect,
  88                                         int flags = 0)
  89     {
  90     }
  91
  92     // draw a dropdown arrow
  93     //
  94     // flags may use wxCONTROL_PRESSED and wxCONTROL_CURRENT
  95     virtual void DrawDropArrow(wxWindow *win,
  96                                wxDC& dc,
  97                                const wxRect& rect,
  98                                int flags = 0)
  99     {
 100     }
 101
 102     // get the splitter parameters: the x field of the returned point is the
 103     // sash width and the y field is the border width
 104     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
 105     {
 106         return wxSplitterRenderParams(0, 0, 0);
 107     }
 108
 109     virtual wxRendererVersion GetVersion() const
 110     {
 111         return wxRendererVersion(wxRendererVersion::Current_Version,
 112                                  wxRendererVersion::Current_Age);
 113     }
 114
 115 #if 0 // just for debugging
 116     MyDllRenderer()
 117     {
 118         wxMessageBox(_T("Creating MyDllRenderer"), _T("Renderer Sample"));
 119     }
 120
 121     virtual ~MyDllRenderer()
 122     {
 123         wxMessageBox(_T("Deleting MyDllRenderer"), _T("Renderer Sample"));
 124     }
 125 #endif // 0
 126 };
 127
 128 extern "C"
 129 WXEXPORT wxRendererNative *wxCreateRenderer()
 130 {
 131     return new MyDllRenderer;
 132 }