Compile fix for sound without threads. Not sure

[wxWidgets.git] / src / common / rendcmn.cpp

diff --git a/src/common/rendcmn.cpp b/src/common/rendcmn.cpp
index 77bfdde5168306426ef8841c958706716cfcfc7c..2cedd7f4de8d788831a5e6a63b3692ff5b299d37 100644 (file)
--- a/src/common/rendcmn.cpp
+++ b/src/common/rendcmn.cpp
@@ -25,6 +25,8 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/log.h"
+    #include "wx/intl.h"
 #endif //WX_PRECOMP
 
 #include "wx/apptrait.h"
@@ -83,6 +85,9 @@ private:
 
     bool m_initialized;
 
+    // just to suppress a gcc warning
+    friend class wxRendererPtrDummyFriend;
+
     DECLARE_NO_COPY_CLASS(wxRendererPtr)
 };
 
@@ -123,6 +128,11 @@ private:
 // wxRendererNative implementation
 // ============================================================================
 
+wxRendererNative::~wxRendererNative()
+{
+    // empty but necessary
+}
+
 // ----------------------------------------------------------------------------
 // Managing the global renderer
 // ----------------------------------------------------------------------------
@@ -171,10 +181,24 @@ wxRendererNative *wxRendererNative::Load(const wxString& name)
     if ( !pfnwxCreateRenderer )
         return NULL;
 
+    // create a renderer object
     wxRendererNative *renderer = (*pfnwxCreateRenderer)();
     if ( !renderer )
         return NULL;
 
+    // check that its version is compatible with ours
+    wxRendererVersion ver = renderer->GetVersion();
+    if ( !wxRendererVersion::IsCompatible(ver) )
+    {
+        wxLogError(_("Renderer \"%s\" has incompatible version %d.%d and couldn't be loaded."),
+                   name.c_str(), ver.version, ver.age);
+        delete renderer;
+
+        return NULL;
+    }
+
+    // finally wrap the renderer in an object which will delete it and unload
+    // the library when it is deleted and return it to the caller
     return new wxRendererFromDynLib(dll, renderer);
 }