initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/samples/render/renddll.cpp

@@ -0,0 +1,63 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        renddll.cpp
+// Purpose:     Example of a renderer implemented in a DLL
+// Author:      Vadim Zeitlin
+// Created:     04.08.03
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+
+#include "wx/renderer.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/dc.h"
+#endif
+
+// derive from wxDelegateRendererNative and not wxRendererNative itself to be
+// able to only reimplement the methods we want to show and not all of them
+class MyDllRenderer : public wxDelegateRendererNative
+{
+public:
+    // draw the header control button (used by wxListCtrl)
+    virtual int DrawHeaderButton(wxWindow * WXUNUSED(win),
+                                 wxDC& dc,
+                                 const wxRect& rect,
+                                 int WXUNUSED(flags) = 0,
+                                 wxHeaderSortIconType WXUNUSED(sortArrow) = wxHDR_SORT_ICON_NONE,
+                                 wxHeaderButtonParams* WXUNUSED(params) = nullptr) override
+    {
+        dc.SetBrush(*wxCYAN_BRUSH);
+        dc.SetTextForeground(*wxRED);
+        dc.DrawRoundedRectangle(rect, 10);
+        dc.DrawLabel("MyDllRenderer", wxNullBitmap, rect, wxALIGN_CENTER);
+
+        return dc.GetTextExtent("MyDllRenderer").x;
+    }
+
+    virtual wxRendererVersion GetVersion() const override
+    {
+        return wxRendererVersion(wxRendererVersion::Current_Version,
+                                 wxRendererVersion::Current_Age);
+    }
+
+#if 0 // just for debugging
+    MyDllRenderer()
+    {
+        wxMessageBox("Creating MyDllRenderer", "Renderer Sample");
+    }
+
+    virtual ~MyDllRenderer()
+    {
+        wxMessageBox("Deleting MyDllRenderer", "Renderer Sample");
+    }
+#endif // 0
+};
+
+extern "C"
+WXEXPORT wxRendererNative *wxCreateRenderer()
+{
+    return new MyDllRenderer;
+}