Make sure we have get_widget()

2 files changed, 5 insertions, 2 deletions

diff --git a/src/extension/prefdialog/widget.cpp b/src/extension/prefdialog/widget.cpp
index d1035ef85..7d37dd122 100644
--- a/src/extension/prefdialog/widget.cpp
+++ b/src/extension/prefdialog/widget.cpp
@@ -125,10 +125,13 @@ InxWidget::~InxWidget()
     _appearance = nullptr;
 }
 
-/** Basically, if there is no widget pass a NULL. */
 Gtk::Widget *
 InxWidget::get_widget(sigc::signal<void> * /*changeSignal*/)
 {
+    // if we end up here we're missing a definition of ::get_widget() in one of the subclasses
+    g_critical("InxWidget::get_widget called from widget of type '%s' in extension '%s'",
+               typeid(this).name(), _extension->get_id());
+    g_assert_not_reached();
     return nullptr;
 }
 
diff --git a/src/extension/prefdialog/widget.h b/src/extension/prefdialog/widget.h
index 6ee678f29..843655c6e 100644
--- a/src/extension/prefdialog/widget.h
+++ b/src/extension/prefdialog/widget.h
@@ -58,7 +58,7 @@ public:
     /** Checks if name is a valid widget name, i.e. a widget can be constructed from it using make() */
     static bool is_valid_widget_name(const char *name);
 
-    /** Return the instances GTK::Widget representation for usage in a GUI
+    /** Return the instance's GTK::Widget representation for usage in a GUI
       *
       * @param changeSignal Can be used to subscribe to parameter changes.
       *                     Will be emitted whenever a parameter value changes.