More Motif changes (colour/font stuff)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@902 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/button.cpp

@@ -137,16 +137,16 @@ void wxButtonCallback (Widget w, XtPointer clientData, XtPointer ptr)
 
 void wxButton::ChangeFont()
 {
-    // TODO
+    wxWindow::ChangeFont();
 }
 
 void wxButton::ChangeBackgroundColour()
 {
-    // TODO
+    DoChangeBackgroundColour(m_mainWidget, m_backgroundColour, TRUE);
 }
 
 void wxButton::ChangeForegroundColour()
 {
-    // TODO
+    wxWindow::ChangeForegroundColour();
 }