added sample showing how to use custom renderers and load them from DLL

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22632 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-08-06 12:32:14 +00:00
parent 26a7a7e1d5
commit c59e508935
8 changed files with 1243 additions and 0 deletions
--- a/samples/render/renddll.cpp
+++ b/samples/render/renddll.cpp
@@ -0,0 +1,83 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        renddll.cpp
+// Purpose:     Example of a renderer implemented in a DLL
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     04.08.03
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+#include "wx/renderer.h"
+
+class MyDllRenderer : public wxRendererNative
+{
+public:
+    // draw the header control button (used by wxListCtrl)
+    virtual void DrawHeaderButton(wxWindow *win,
+                                  wxDC& dc,
+                                  const wxRect& rect,
+                                  int flags = 0)
+    {
+        dc.SetBrush(*wxCYAN_BRUSH);
+        dc.SetTextForeground(*wxRED);
+        dc.DrawRoundedRectangle(rect, 10);
+        dc.DrawLabel(_T("MyDllRenderer"), wxNullBitmap, rect, wxALIGN_CENTER);
+    }
+
+    // draw the expanded/collapsed icon for a tree control item
+    virtual void DrawTreeItemButton(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    int flags = 0)
+    {
+    }
+
+    // draw the border for sash window: this border must be such that the sash
+    // drawn by DrawSash() blends into it well
+    virtual void DrawSplitterBorder(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    int flags = 0)
+    {
+    }
+
+    // draw a (vertical) sash
+    virtual void DrawSplitterSash(wxWindow *win,
+                                  wxDC& dc,
+                                  const wxSize& size,
+                                  wxCoord position,
+                                  wxOrientation orient,
+                                  int flags = 0)
+    {
+    }
+
+    // get the splitter parameters: the x field of the returned point is the
+    // sash width and the y field is the border width
+    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win)
+    {
+        return wxSplitterRenderParams(0, 0, 0);
+    }
+
+#if 0 // just for debugging
+    MyDllRenderer()
+    {
+        wxMessageBox(_T("Creating MyDllRenderer"), _T("Renderer Sample"));
+    }
+
+    virtual ~MyDllRenderer()
+    {
+        wxMessageBox(_T("Deleting MyDllRenderer"), _T("Renderer Sample"));
+    }
+#endif // 0
+};
+
+extern "C"
+WXEXPORT wxRendererNative *wxCreateRenderer()
+{
+    return new MyDllRenderer;
+}
+