restored wxPluginLibrary::ms_classes handling code that was removed by mistake

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25515 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dynload.h

@@ -93,6 +93,8 @@ private:
     size_t          m_objcount;     // ..and (pluggable) object instantiations.
     wxModuleList    m_wxmodules;    // any wxModules that we initialised.
 
+    void    UpdateClasses();        // Update ms_classes
+    void    RestoreClasses();       // Removes this library from ms_classes
     void    RegisterModules();      // Init any wxModules in the lib.
     void    UnregisterModules();    // Cleanup any wxModules we installed.
 

src/common/dynload.cpp

@@ -87,6 +87,7 @@ wxPluginLibrary::wxPluginLibrary(const wxString &libname, int flags)
 
     if( m_handle != 0 )
     {
+        UpdateClasses();
         RegisterModules();
     }
     else
@@ -101,6 +102,7 @@ wxPluginLibrary::~wxPluginLibrary()
     if( m_handle != 0 )
     {
         UnregisterModules();
+        RestoreClasses();
     }
 }
 
@@ -131,6 +133,27 @@ bool wxPluginLibrary::UnrefLib()
 // Private methods
 // ------------------------
 
+void wxPluginLibrary::UpdateClasses()
+{
+    for (wxClassInfo *info = m_after; info != m_before; info = info->m_next)
+    {
+        if( info->m_className )
+        {
+            // Hash all the class names into a local table too so
+            // we can quickly find the entry they correspond to.
+            (*ms_classes)[info->m_className] = this;
+        }
+    }
+}
+
+void wxPluginLibrary::RestoreClasses()
+{
+    for(wxClassInfo *info = m_after; info != m_before; info = info->m_next)
+    {
+        ms_classes->erase(ms_classes->find(info->m_className));
+    }
+}
+
 void wxPluginLibrary::RegisterModules()
 {
     // Plugin libraries might have wxModules, Register and initialise them if