Use InheritAttributes for wxGTK widgets so they will check

ShouldInheritColours.  Set wxButton to not inherit colours.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24702 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/button.h

@@ -60,6 +60,11 @@ public:
     // on its panel
     virtual void SetDefault() { }
 
+    // Buttons on MSW can look bad if they are not native colours, because
+    // then they become owner-drawn and not theme-drawn.  Disable it here
+    // in wxButtonBase to make it consistent.
+    virtual bool ShouldInheritColours() const { return false; }
+
     // returns the default button size for this platform
     static wxSize GetDefaultSize();