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box: follow children visibility when building the sibling path

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This fixes nth-child not working for widgets which were not
visible before being added to the box, but it's also a better fix
for https://bugzilla.gnome.org/show_bug.cgi?id=652769
This commit is contained in:
Cosimo Cecchi 2011-06-30 16:19:57 -04:00
parent e731caf8d0
commit ef153a5fff
1 changed files with 19 additions and 7 deletions
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26
gtk/gtkbox.c
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@ -847,11 +847,8 @@ count_widget_position (GtkWidget *widget,
{
CountingData *count = data;
#if 0
/* We cannot reliably detect changes in widget visibility */
if (!gtk_widget_get_visible (widget))
return;
#endif
if (count->widget == widget)
count->found = TRUE;
@ -904,11 +901,9 @@ gtk_box_get_path_for_child (GtkContainer *container,
for (list = children; list; list = list->next)
{
#if 0
/* We cannot reliably detect changes in widget visibility */
if (!gtk_widget_get_visible (list->data))
return;
#endif
continue;
gtk_widget_path_append_for_widget (private->sibling_path, list->data);
}
g_list_free (children);
@ -949,6 +944,16 @@ gtk_box_direction_changed (GtkWidget *widget,
gtk_box_invalidate_order (GTK_BOX (widget));
}
static void
box_child_visibility_notify_cb (GObject *obj,
GParamSpec *pspec,
gpointer user_data)
{
GtkBox *box = user_data;
gtk_box_invalidate_order (box);
}
static void
gtk_box_pack (GtkBox *box,
GtkWidget *child,
@ -978,6 +983,9 @@ gtk_box_pack (GtkBox *box,
gtk_box_invalidate_order (box);
gtk_widget_set_parent (child, GTK_WIDGET (box));
g_signal_connect (child, "notify::visible",
G_CALLBACK (box_child_visibility_notify_cb), box);
gtk_widget_child_notify (child, "expand");
gtk_widget_child_notify (child, "fill");
gtk_widget_child_notify (child, "padding");
@ -1795,6 +1803,10 @@ gtk_box_remove (GtkContainer *container,
was_visible = gtk_widget_get_visible (widget);
gtk_widget_unparent (widget);
g_signal_handlers_disconnect_by_func (widget,
box_child_visibility_notify_cb,
box);
priv->children = g_list_remove_link (priv->children, children);
g_list_free (children);
g_free (child);