Dont try to draw cells outside the valid range

diff --git a/lib/gtksheet/gtksheet.c b/lib/gtksheet/gtksheet.c
index 28279076faa32872ed8e88c390b84a91107d5338..ad56c665223ef4f8ad82183991b13062698a9024 100644 (file)
--- a/lib/gtksheet/gtksheet.c
+++ b/lib/gtksheet/gtksheet.c
@@ -2572,6 +2572,12 @@ change_active_cell (GtkSheet *sheet, gint row, gint col)
     r.row0 = old_row - 1;
     r.rowi = old_row + 1;
 
+    maximize_int (&r.row0, 0);
+    maximize_int (&r.col0, 0);
+    minimize_int (&r.rowi, psppire_axis_unit_count (sheet->vaxis) - 1);
+    minimize_int (&r.coli, psppire_axis_unit_count (sheet->haxis) - 1);
+
+
     if (  gtk_sheet_range_isvisible (sheet, &r))
       gtk_sheet_range_draw (sheet, &r);
   }