Histogram Dialog: Allow only numeric variables to be selected

diff --git a/src/ui/gui/psppire-dialog-action-histogram.c b/src/ui/gui/psppire-dialog-action-histogram.c
index e6a6fe733e82381cb1c9f14147afc539500f9e6c..f99000ac2898767180c2663e15971329effe02c2 100644 (file)
--- a/src/ui/gui/psppire-dialog-action-histogram.c
+++ b/src/ui/gui/psppire-dialog-action-histogram.c
@@ -69,6 +69,9 @@ psppire_dialog_action_histogram_activate (PsppireDialogAction *a, GVariant *para
   pda->dialog = get_widget_assert (xml, "histogram-dialog");
   pda->source = get_widget_assert (xml, "dict-view");
 
+  g_object_set (pda->source,
+               "predicate", var_is_numeric, NULL);
+
   act->variable = get_widget_assert (xml, "entry1");
   act->curve = get_widget_assert (xml, "curve");
 
@@ -120,4 +123,3 @@ static void
 psppire_dialog_action_histogram_init (PsppireDialogActionHistogram *act)
 {
 }
-