* dialog.c (dlg_replace_widget): Use dlg_select_widget().

(select_a_widget): Rename to select_other_widget(), factorize
most code from dlg_one_up() and dlg_one_down().

src/ChangeLog

@@ -1,3 +1,9 @@
+2003-11-26  Pavel Roskin  <proski@gnu.org>
+
+	* dialog.c (dlg_replace_widget): Use dlg_select_widget().
+	(select_a_widget): Rename to select_other_widget(), factorize
+	most code from dlg_one_up() and dlg_one_down().
+
 2003-11-24  Pavel Roskin  <proski@gnu.org>
 
 	* complete.c (check_is_cd): Simplify logic, use isspace().

src/dialog.c

@@ -346,19 +346,6 @@ dlg_unfocus (Dlg_head *h)
     return 0;
 }
 
-static void
-select_a_widget (Dlg_head *h, int down)
-{
-    if (!h->current)
-	return;
-
-    do {
-	if (down)
-	    h->current = h->current->next;
-	else
-	    h->current = h->current->prev;
-    } while (!dlg_focus (h));
-}
 
 /* Return true if the windows overlap */
 int dlg_overlap (Widget *a, Widget *b)
@@ -372,6 +359,52 @@ int dlg_overlap (Widget *a, Widget *b)
 }
 
 
+/*
+ * Try to select another widget.  If forward is set, follow tab order.
+ * Otherwise go to the previous widget.
+ */
+static void
+select_other_widget (Dlg_head *h, int forward)
+{
+    Widget *old;
+
+    old = h->current;
+    if (!old)
+	return;
+
+    if (!dlg_unfocus (h))
+	return;
+
+    do {
+	if (forward)
+	    h->current = h->current->next;
+	else
+	    h->current = h->current->prev;
+    } while (!dlg_focus (h));
+
+    if (dlg_overlap (old, h->current)) {
+	send_message (h->current, WIDGET_DRAW, 0);
+	send_message (h->current, WIDGET_FOCUS, 0);
+    }
+}
+
+
+/* Try to select previous widget in the tab order */
+void
+dlg_one_up (Dlg_head *h)
+{
+    select_other_widget (h, 0);
+}
+
+
+/* Try to select next widget in the tab order */
+void
+dlg_one_down (Dlg_head *h)
+{
+    select_other_widget (h, 1);
+}
+
+
 /* Find the widget with the given callback in the dialog h */
 Widget *
 find_widget_type (Dlg_head *h, void *callback)
@@ -419,44 +452,6 @@ dlg_select_by_id (Dlg_head *h, int id)
 	dlg_select_widget(h, w_found);
 }
 
-void dlg_one_up (Dlg_head *h)
-{
-    Widget *old;
-
-    old = h->current;
-
-    if (!old)
-        return;
-
-    /* If it accepts unFOCUSion */
-    if (!dlg_unfocus(h))
-	return;
-
-    select_a_widget (h, 0);
-    if (dlg_overlap (old, h->current)){
-	send_message (h->current, WIDGET_DRAW, 0);
-	send_message (h->current, WIDGET_FOCUS, 0);
-    }
-}
-
-void dlg_one_down (Dlg_head *h)
-{
-    Widget *old;
-
-    old = h->current;
-    if (!old)
-        return;
-
-    if (!dlg_unfocus (h))
-	return;
-
-    select_a_widget (h, 1);
-    if (dlg_overlap (old, h->current)){
-	send_message (h->current, WIDGET_DRAW, 0);
-	send_message (h->current, WIDGET_FOCUS, 0);
-    }
-}
-
 int dlg_select_widget (Dlg_head *h, void *w)
 {
     if (!h->current)
@@ -859,11 +854,8 @@ dlg_replace_widget (Dlg_head *h, Widget *old_w, Widget *new_w)
     send_message (old_w, WIDGET_DESTROY, 0);
     send_message (new_w, WIDGET_INIT, 0);
 
-    if (should_focus) {
-	if (!dlg_focus (h)) {
-	    select_a_widget (h, 1);
-	}
-    }
+    if (should_focus)
+	dlg_select_widget (h, new_w);
 
     send_message (new_w, WIDGET_DRAW, 0);
 }