+static void
+pspp_sheet_view_do_set_hadjustment (PsppSheetView *tree_view,
+ GtkAdjustment *adjustment)
+{
+ PsppSheetViewPrivate *priv = tree_view->priv;
+
+ if (adjustment && priv->hadjustment == adjustment)
+ return;
+
+ if (priv->hadjustment != NULL)
+ {
+ g_signal_handlers_disconnect_by_func (priv->hadjustment,
+ pspp_sheet_view_adjustment_changed,
+ tree_view);
+ g_object_unref (priv->hadjustment);
+ }
+
+ if (adjustment == NULL)
+ adjustment = gtk_adjustment_new (0.0, 0.0, 0.0,
+ 0.0, 0.0, 0.0);
+
+ g_signal_connect (adjustment, "value-changed",
+ G_CALLBACK (pspp_sheet_view_adjustment_changed), tree_view);
+ priv->hadjustment = g_object_ref_sink (adjustment);
+ /* FIXME: Adjustment should probably be populated here with fresh values, but
+ * internal details are too complicated for me to decipher right now.
+ */
+ pspp_sheet_view_adjustment_changed (NULL, tree_view);
+
+ g_object_notify (G_OBJECT (tree_view), "hadjustment");
+}
+