activating DrawRectangle optimization

[wxWidgets.git] / include / wx / generic / combo.h

diff --git a/include/wx/generic/combo.h b/include/wx/generic/combo.h
index 108c8cfeb51457115ccde330d108ade6655b4110..b25325c86fae869520b1a90594a0903d479ad03b 100644 (file)
--- a/include/wx/generic/combo.h
+++ b/include/wx/generic/combo.h
@@ -31,6 +31,8 @@
 
 #endif
 
+#include "wx/dcbuffer.h"
+
 extern WXDLLIMPEXP_DATA_CORE(const char) wxComboBoxNameStr[];
 
 class WXDLLIMPEXP_CORE wxGenericComboCtrl : public wxComboCtrlBase
@@ -81,15 +83,36 @@ public:
 protected:
 
     // Dummies for platform-specific wxTextEntry implementations
-#if defined(__WXGTK__)
+#if defined(__WXUNIVERSAL__)
+    // Looks like there's nothing we need to override here
+#elif defined(__WXMOTIF__)
+    virtual WXWidget GetTextWidget() const { return NULL; }
+#elif defined(__WXGTK__)
+#if defined(__WXGTK20__)
     virtual GtkEditable *GetEditable() const { return NULL; }
     virtual GtkEntry *GetEntry() const { return NULL; }
+#endif
 #elif defined(__WXMAC__)
     // Looks like there's nothing we need to override here
 #elif defined(__WXPM__)
     virtual WXHWND GetEditHWND() const { return NULL; }
 #endif
 
+    // For better transparent background rendering
+    virtual bool HasTransparentBackground()
+    {
+        #if wxALWAYS_NATIVE_DOUBLE_BUFFER
+          #ifdef __WXGTK__
+            // Sanity check for GTK+
+            return IsDoubleBuffered();
+          #else
+            return true;
+          #endif
+        #else
+            return false;
+        #endif
+    }
+
     // Mandatory virtuals
     virtual void OnResize();