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[StBoxLayout] Implement raise and lower

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Code copied from ClutterGroup.

https://bugzilla.gnome.org/show_bug.cgi?id=599442
This commit is contained in:
Colin Walters 2009-10-23 10:18:35 -04:00
parent dc232d4631
commit f549269934
1 changed files with 91 additions and 4 deletions
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95
src/st/st-box-layout.c
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@ -21,6 +21,20 @@
* *
*/ */
/* Portions copied from Clutter:
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*/
/** /**
* SECTION:st-box-layout * SECTION:st-box-layout
* @short_description: a layout container arranging children in a single line * @short_description: a layout container arranging children in a single line
@ -294,8 +308,42 @@ st_box_container_lower (ClutterContainer *container,
ClutterActor *actor, ClutterActor *actor,
ClutterActor *sibling) ClutterActor *sibling)
{ {
/* XXX: not yet implemented */ StBoxLayoutPrivate *priv = ST_BOX_LAYOUT (container)->priv;
g_warning ("%s() not yet implemented", __FUNCTION__);
/* copied from clutter/clutter/clutter-group.c */
priv->children = g_list_remove (priv->children, actor);
/* Push to bottom */
if (!sibling)
{
GList *last_item;
last_item = g_list_first (priv->children);
if (last_item)
sibling = last_item->data;
priv->children = g_list_prepend (priv->children, actor);
}
else
{
gint pos;
pos = g_list_index (priv->children, sibling);
priv->children = g_list_insert (priv->children, actor, pos);
}
/* See comment in group_raise for this */
if (sibling &&
clutter_actor_get_depth (sibling) != clutter_actor_get_depth (actor))
{
clutter_actor_set_depth (actor, clutter_actor_get_depth (sibling));
}
if (CLUTTER_ACTOR_IS_VISIBLE (container))
clutter_actor_queue_redraw (CLUTTER_ACTOR (container));
} }
static void static void
@ -303,8 +351,47 @@ st_box_container_raise (ClutterContainer *container,
ClutterActor *actor, ClutterActor *actor,
ClutterActor *sibling) ClutterActor *sibling)
{ {
/* XXX: not yet implemented */ StBoxLayoutPrivate *priv = ST_BOX_LAYOUT (container)->priv;
g_warning ("%s() not yet implemented", __FUNCTION__);
priv->children = g_list_remove (priv->children, actor);
/* copied from clutter/clutter/clutter-group.c */
/* Raise at the top */
if (!sibling)
{
GList *last_item;
last_item = g_list_last (priv->children);
if (last_item)
sibling = last_item->data;
priv->children = g_list_append (priv->children, actor);
}
else
{
gint pos;
pos = g_list_index (priv->children, sibling) + 1;
priv->children = g_list_insert (priv->children, actor, pos);
}
/* set Z ordering a value below, this will then call sort
* as values are equal ordering shouldn't change but Z
* values will be correct.
*
* FIXME: optimise
*/
if (sibling &&
clutter_actor_get_depth (sibling) != clutter_actor_get_depth (actor))
{
clutter_actor_set_depth (actor, clutter_actor_get_depth (sibling));
}
if (CLUTTER_ACTOR_IS_VISIBLE (container))
clutter_actor_queue_redraw (CLUTTER_ACTOR (container));
} }
static void static void