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

src/gtk/combobox.cpp

@@ -158,6 +158,7 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     m_focusWidget = combo->entry;
 
     PostCreation();
+    InheritAttributes();
 
     ConnectWidget( combo->button );
 
@@ -190,9 +191,6 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
         gtk_widget_set_usize( m_widget, new_size.x, new_size.y );
     }
 
-    SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ) );
-    SetForegroundColour( parent->GetForegroundColour() );
-
     Show( TRUE );
 
     return TRUE;