X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/db1087d2fd2701bf58e2b0657bcafcc0246b6c96..05f4dfa7268b60d2f56a685933c49f3d3d4be745:/include/wx/generic/combo.h

diff --git a/include/wx/generic/combo.h b/include/wx/generic/combo.h
index 34eead1c6f..b25325c86f 100644
--- 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
@@ -96,6 +98,21 @@ protected:
     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();