Add method to explicitly handle menu item sensitivy for the pop-up button.

rtgui/popupcommon.cc

@@ -19,6 +19,7 @@
  *  Class created by Jean-Christophe FRISCH, aka 'Hombre'
  */
 
+#include <gtkmm.h>
 #include "multilangmgr.h"
 #include "popupcommon.h"
 #include "../rtengine/safegtk.h"
@@ -135,6 +136,14 @@ void PopUpCommon::entrySelected (int i)
     }
 }
 
+void PopUpCommon::setItemSensitivity (int i, bool isSensitive) {
+    Gtk::Menu_Helpers::MenuList items = menu->items();
+    if (i < items.size()) {
+        items[i].set_sensitive(isSensitive);
+    }
+}
+
+
 /*
  * Set the button image with the selected item
  */

rtgui/popupcommon.h

@@ -68,6 +68,7 @@ private:
 
     void showMenu(GdkEventButton* event);
     void entrySelected (int i);
+    void setItemSensitivity (int i, bool isSensitive);
 
 };