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 the border for sash window: this border must be such that the sash
  48     // drawn by DrawSash() blends into it well
  49     virtual void DrawSplitterBorder(wxWindow *win,
  50                                     wxDC& dc,
  51                                     const wxRect& rect,
  52                                     int flags = 0)
  53     {
  54     }
  55
  56     // draw a (vertical) sash
  57     virtual void DrawSplitterSash(wxWindow *win,
  58                                   wxDC& dc,
  59                                   const wxSize& size,
  60                                   wxCoord position,
  61                                   wxOrientation orient,
  62                                   int flags = 0)
  63     {
  64     }
  65
  66     // draw a combobox dropdown button
  67     //
  68     // flags may only use wxCONTROL_PRESSED
  69     virtual void DrawComboBoxDropButton(wxWindow *win,
  70                                         wxDC& dc,
  71                                         const wxRect& rect,
  72                                         int flags = 0)
  73     {
  74     }
  75
  76     // draw a dropdown arrow
  77     //
  78     // flags may use wxCONTROL_PRESSED and wxCONTROL_CURRENT
  79     virtual void DrawDropArrow(wxWindow *win,
  80                                wxDC& dc,
  81                                const wxRect& rect,
  82                                int flags = 0)
  83     {
  84     }
  85
  86     // get the splitter parameters: the x field of the returned point is the
  87     // sash width and the y field is the border width
  88     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
  89     {
  90         return wxSplitterRenderParams(0, 0, 0);
  91     }
  92
  93     virtual wxRendererVersion GetVersion() const
  94     {
  95         return wxRendererVersion(wxRendererVersion::Current_Version,
  96                                  wxRendererVersion::Current_Age);
  97     }
  98
  99 #if 0 // just for debugging
 100     MyDllRenderer()
 101     {
 102         wxMessageBox(_T("Creating MyDllRenderer"), _T("Renderer Sample"));
 103     }
 104
 105     virtual ~MyDllRenderer()
 106     {
 107         wxMessageBox(_T("Deleting MyDllRenderer"), _T("Renderer Sample"));
 108     }
 109 #endif // 0
 110 };
 111
 112 extern "C"
 113 WXEXPORT wxRendererNative *wxCreateRenderer()
 114 {
 115     return new MyDllRenderer;
 116 }
 117