2009-09-29 19:08:01 +00:00
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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2009-09-08 19:47:30 +00:00
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/*
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* st-bin.c: Basic container actor
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*
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2010-11-10 22:00:45 +00:00
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* Copyright 2009 Intel Corporation.
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* Copyright 2009, 2010 Red Hat, Inc.
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2009-09-08 19:47:30 +00:00
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU Lesser General Public License,
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* version 2.1, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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2010-11-10 22:00:45 +00:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2009-09-08 19:47:30 +00:00
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*/
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/**
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* SECTION:st-bin
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* @short_description: a simple container with one actor
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*
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* #StBin is a simple container capable of having only one
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* #ClutterActor as a child.
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*
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* #StBin inherits from #StWidget, so it is fully themable.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <clutter/clutter.h>
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#include "st-bin.h"
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#include "st-enum-types.h"
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#include "st-private.h"
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#define ST_BIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), ST_TYPE_BIN, StBinPrivate))
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struct _StBinPrivate
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{
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ClutterActor *child;
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StAlign x_align;
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StAlign y_align;
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guint x_fill : 1;
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guint y_fill : 1;
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};
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enum
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{
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PROP_0,
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PROP_CHILD,
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PROP_X_ALIGN,
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PROP_Y_ALIGN,
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PROP_X_FILL,
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PROP_Y_FILL
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};
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static void clutter_container_iface_init (ClutterContainerIface *iface);
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G_DEFINE_TYPE_WITH_CODE (StBin, st_bin, ST_TYPE_WIDGET,
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G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_CONTAINER,
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clutter_container_iface_init));
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static void
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st_bin_add (ClutterContainer *container,
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ClutterActor *actor)
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{
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st_bin_set_child (ST_BIN (container), actor);
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}
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static void
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st_bin_remove (ClutterContainer *container,
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ClutterActor *actor)
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{
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StBinPrivate *priv = ST_BIN (container)->priv;
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if (priv->child == actor)
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st_bin_set_child (ST_BIN (container), NULL);
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}
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static void
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clutter_container_iface_init (ClutterContainerIface *iface)
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{
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iface->add = st_bin_add;
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iface->remove = st_bin_remove;
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}
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static void
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st_bin_allocate (ClutterActor *self,
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const ClutterActorBox *box,
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ClutterAllocationFlags flags)
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{
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StBinPrivate *priv = ST_BIN (self)->priv;
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2012-02-15 12:11:41 +00:00
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clutter_actor_set_allocation (self, box, flags);
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2009-09-08 19:47:30 +00:00
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2012-09-04 20:49:46 +00:00
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if (priv->child && CLUTTER_ACTOR_IS_VISIBLE (priv->child))
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2009-09-08 19:47:30 +00:00
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{
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2009-09-20 17:41:13 +00:00
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StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (self));
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2010-02-13 16:24:25 +00:00
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ClutterActorBox childbox;
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2012-02-14 01:22:10 +00:00
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gdouble x_align_f, y_align_f;
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2010-02-13 16:24:25 +00:00
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st_theme_node_get_content_box (theme_node, box, &childbox);
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2012-02-14 01:22:10 +00:00
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_st_get_align_factors (priv->x_align, priv->y_align,
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&x_align_f, &y_align_f);
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clutter_actor_allocate_align_fill (priv->child, &childbox,
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x_align_f, y_align_f,
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priv->x_fill, priv->y_fill,
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flags);
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2009-09-08 19:47:30 +00:00
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}
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}
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static void
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st_bin_get_preferred_width (ClutterActor *self,
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gfloat for_height,
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gfloat *min_width_p,
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gfloat *natural_width_p)
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{
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StBinPrivate *priv = ST_BIN (self)->priv;
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2009-09-20 17:41:13 +00:00
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StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (self));
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2009-09-08 19:47:30 +00:00
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2009-09-20 17:41:13 +00:00
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st_theme_node_adjust_for_height (theme_node, &for_height);
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2009-09-08 19:47:30 +00:00
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2012-09-01 19:45:44 +00:00
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if (priv->child == NULL || !CLUTTER_ACTOR_IS_VISIBLE (priv->child))
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2009-09-08 19:47:30 +00:00
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{
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if (min_width_p)
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2009-09-20 17:41:13 +00:00
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*min_width_p = 0;
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2009-09-08 19:47:30 +00:00
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if (natural_width_p)
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2009-09-20 17:41:13 +00:00
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*natural_width_p = 0;
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2009-09-08 19:47:30 +00:00
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}
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else
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{
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2010-02-13 16:24:25 +00:00
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_st_actor_get_preferred_width (priv->child, for_height, priv->y_fill,
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min_width_p,
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natural_width_p);
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2009-09-08 19:47:30 +00:00
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}
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2009-09-20 17:41:13 +00:00
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st_theme_node_adjust_preferred_width (theme_node, min_width_p, natural_width_p);
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2009-09-08 19:47:30 +00:00
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}
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static void
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st_bin_get_preferred_height (ClutterActor *self,
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gfloat for_width,
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gfloat *min_height_p,
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gfloat *natural_height_p)
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{
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StBinPrivate *priv = ST_BIN (self)->priv;
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2009-09-20 17:41:13 +00:00
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StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (self));
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2009-09-08 19:47:30 +00:00
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2009-09-20 17:41:13 +00:00
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st_theme_node_adjust_for_width (theme_node, &for_width);
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2009-09-08 19:47:30 +00:00
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2012-09-01 19:45:44 +00:00
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if (priv->child == NULL || !CLUTTER_ACTOR_IS_VISIBLE (priv->child))
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2009-09-08 19:47:30 +00:00
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{
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if (min_height_p)
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2009-09-20 17:41:13 +00:00
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*min_height_p = 0;
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2009-09-08 19:47:30 +00:00
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if (natural_height_p)
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2009-09-20 17:41:13 +00:00
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*natural_height_p = 0;
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2009-09-08 19:47:30 +00:00
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}
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else
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{
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2010-02-13 16:24:25 +00:00
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_st_actor_get_preferred_height (priv->child, for_width, priv->x_fill,
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min_height_p,
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natural_height_p);
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2009-09-08 19:47:30 +00:00
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}
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2009-09-20 17:41:13 +00:00
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st_theme_node_adjust_preferred_height (theme_node, min_height_p, natural_height_p);
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2009-09-08 19:47:30 +00:00
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}
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static void
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st_bin_dispose (GObject *gobject)
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{
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StBinPrivate *priv = ST_BIN (gobject)->priv;
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if (priv->child)
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2009-10-08 18:53:46 +00:00
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clutter_actor_destroy (priv->child);
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g_assert (priv->child == NULL);
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2009-09-08 19:47:30 +00:00
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G_OBJECT_CLASS (st_bin_parent_class)->dispose (gobject);
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}
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2013-05-07 06:28:13 +00:00
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static void
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st_bin_popup_menu (StWidget *widget)
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{
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StBinPrivate *priv = ST_BIN (widget)->priv;
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if (priv->child && ST_IS_WIDGET (priv->child))
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st_widget_popup_menu (ST_WIDGET (priv->child));
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}
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2010-06-15 16:11:39 +00:00
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static gboolean
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st_bin_navigate_focus (StWidget *widget,
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ClutterActor *from,
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GtkDirectionType direction)
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{
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StBinPrivate *priv = ST_BIN (widget)->priv;
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ClutterActor *bin_actor = CLUTTER_ACTOR (widget);
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2012-08-16 16:39:31 +00:00
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if (st_widget_get_can_focus (widget))
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2010-06-15 16:11:39 +00:00
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{
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if (from && clutter_actor_contains (bin_actor, from))
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return FALSE;
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2012-09-06 20:12:44 +00:00
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if (CLUTTER_ACTOR_IS_MAPPED (bin_actor))
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{
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clutter_actor_grab_key_focus (bin_actor);
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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2010-06-15 16:11:39 +00:00
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}
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else if (priv->child && ST_IS_WIDGET (priv->child))
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return st_widget_navigate_focus (ST_WIDGET (priv->child), from, direction, FALSE);
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else
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return FALSE;
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}
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2009-09-08 19:47:30 +00:00
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static void
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st_bin_set_property (GObject *gobject,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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StBin *bin = ST_BIN (gobject);
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switch (prop_id)
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{
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case PROP_CHILD:
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st_bin_set_child (bin, g_value_get_object (value));
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break;
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case PROP_X_ALIGN:
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st_bin_set_alignment (bin,
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g_value_get_enum (value),
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bin->priv->y_align);
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break;
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case PROP_Y_ALIGN:
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st_bin_set_alignment (bin,
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bin->priv->x_align,
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g_value_get_enum (value));
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break;
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case PROP_X_FILL:
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st_bin_set_fill (bin,
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g_value_get_boolean (value),
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bin->priv->y_fill);
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break;
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case PROP_Y_FILL:
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st_bin_set_fill (bin,
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2013-02-20 04:00:25 +00:00
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bin->priv->x_fill,
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2009-09-08 19:47:30 +00:00
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g_value_get_boolean (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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}
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}
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static void
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st_bin_get_property (GObject *gobject,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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StBinPrivate *priv = ST_BIN (gobject)->priv;
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switch (prop_id)
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{
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case PROP_CHILD:
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g_value_set_object (value, priv->child);
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break;
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case PROP_X_FILL:
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g_value_set_boolean (value, priv->x_fill);
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break;
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case PROP_Y_FILL:
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g_value_set_boolean (value, priv->y_fill);
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break;
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case PROP_X_ALIGN:
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g_value_set_enum (value, priv->x_align);
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break;
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case PROP_Y_ALIGN:
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g_value_set_enum (value, priv->y_align);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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}
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}
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static void
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st_bin_class_init (StBinClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
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2010-06-15 16:11:39 +00:00
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StWidgetClass *widget_class = ST_WIDGET_CLASS (klass);
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2009-09-08 19:47:30 +00:00
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GParamSpec *pspec;
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g_type_class_add_private (klass, sizeof (StBinPrivate));
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gobject_class->set_property = st_bin_set_property;
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gobject_class->get_property = st_bin_get_property;
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gobject_class->dispose = st_bin_dispose;
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actor_class->get_preferred_width = st_bin_get_preferred_width;
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actor_class->get_preferred_height = st_bin_get_preferred_height;
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actor_class->allocate = st_bin_allocate;
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2013-05-07 06:28:13 +00:00
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widget_class->popup_menu = st_bin_popup_menu;
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2010-06-15 16:11:39 +00:00
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widget_class->navigate_focus = st_bin_navigate_focus;
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2009-09-08 19:47:30 +00:00
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/**
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* StBin:child:
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*
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* The child #ClutterActor of the #StBin container.
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*/
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pspec = g_param_spec_object ("child",
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"Child",
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"The child of the Bin",
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CLUTTER_TYPE_ACTOR,
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ST_PARAM_READWRITE);
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g_object_class_install_property (gobject_class, PROP_CHILD, pspec);
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/**
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* StBin:x-align:
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*
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* The horizontal alignment of the #StBin child.
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*/
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pspec = g_param_spec_enum ("x-align",
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|
"X Align",
|
|
|
|
"The horizontal alignment",
|
|
|
|
ST_TYPE_ALIGN,
|
|
|
|
ST_ALIGN_MIDDLE,
|
|
|
|
ST_PARAM_READWRITE);
|
|
|
|
g_object_class_install_property (gobject_class, PROP_X_ALIGN, pspec);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* StBin:y-align:
|
|
|
|
*
|
|
|
|
* The vertical alignment of the #StBin child.
|
|
|
|
*/
|
|
|
|
pspec = g_param_spec_enum ("y-align",
|
|
|
|
"Y Align",
|
|
|
|
"The vertical alignment",
|
|
|
|
ST_TYPE_ALIGN,
|
|
|
|
ST_ALIGN_MIDDLE,
|
|
|
|
ST_PARAM_READWRITE);
|
|
|
|
g_object_class_install_property (gobject_class, PROP_Y_ALIGN, pspec);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* StBin:x-fill:
|
|
|
|
*
|
|
|
|
* Whether the child should fill the horizontal allocation
|
|
|
|
*/
|
|
|
|
pspec = g_param_spec_boolean ("x-fill",
|
|
|
|
"X Fill",
|
|
|
|
"Whether the child should fill the "
|
|
|
|
"horizontal allocation",
|
|
|
|
FALSE,
|
|
|
|
ST_PARAM_READWRITE);
|
|
|
|
g_object_class_install_property (gobject_class, PROP_X_FILL, pspec);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* StBin:y-fill:
|
|
|
|
*
|
|
|
|
* Whether the child should fill the vertical allocation
|
|
|
|
*/
|
|
|
|
pspec = g_param_spec_boolean ("y-fill",
|
|
|
|
"Y Fill",
|
|
|
|
"Whether the child should fill the "
|
|
|
|
"vertical allocation",
|
|
|
|
FALSE,
|
|
|
|
ST_PARAM_READWRITE);
|
|
|
|
g_object_class_install_property (gobject_class, PROP_Y_FILL, pspec);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
st_bin_init (StBin *bin)
|
|
|
|
{
|
|
|
|
bin->priv = ST_BIN_GET_PRIVATE (bin);
|
|
|
|
|
|
|
|
bin->priv->x_align = ST_ALIGN_MIDDLE;
|
|
|
|
bin->priv->y_align = ST_ALIGN_MIDDLE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_new:
|
|
|
|
*
|
|
|
|
* Creates a new #StBin, a simple container for one child.
|
|
|
|
*
|
|
|
|
* Return value: the newly created #StBin actor
|
|
|
|
*/
|
|
|
|
StWidget *
|
|
|
|
st_bin_new (void)
|
|
|
|
{
|
|
|
|
return g_object_new (ST_TYPE_BIN, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_set_child:
|
|
|
|
* @bin: a #StBin
|
2009-10-23 19:14:41 +00:00
|
|
|
* @child: (allow-none): a #ClutterActor, or %NULL
|
2009-09-08 19:47:30 +00:00
|
|
|
*
|
|
|
|
* Sets @child as the child of @bin.
|
|
|
|
*
|
|
|
|
* If @bin already has a child, the previous child is removed.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
st_bin_set_child (StBin *bin,
|
|
|
|
ClutterActor *child)
|
|
|
|
{
|
|
|
|
StBinPrivate *priv;
|
|
|
|
|
|
|
|
g_return_if_fail (ST_IS_BIN (bin));
|
|
|
|
g_return_if_fail (child == NULL || CLUTTER_IS_ACTOR (child));
|
|
|
|
|
|
|
|
priv = bin->priv;
|
|
|
|
|
|
|
|
if (priv->child == child)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (priv->child)
|
2012-02-13 20:22:53 +00:00
|
|
|
clutter_actor_remove_child (CLUTTER_ACTOR (bin), priv->child);
|
2009-09-08 19:47:30 +00:00
|
|
|
|
2012-02-13 20:22:53 +00:00
|
|
|
priv->child = NULL;
|
2009-09-08 19:47:30 +00:00
|
|
|
|
|
|
|
if (child)
|
|
|
|
{
|
|
|
|
priv->child = child;
|
2012-02-13 20:22:53 +00:00
|
|
|
clutter_actor_add_child (CLUTTER_ACTOR (bin), child);
|
2009-09-08 19:47:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
clutter_actor_queue_relayout (CLUTTER_ACTOR (bin));
|
|
|
|
|
|
|
|
g_object_notify (G_OBJECT (bin), "child");
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_get_child:
|
|
|
|
* @bin: a #StBin
|
|
|
|
*
|
|
|
|
* Retrieves a pointer to the child of @bin.
|
|
|
|
*
|
2009-09-16 23:07:23 +00:00
|
|
|
* Return value: (transfer none): a #ClutterActor, or %NULL
|
2009-09-08 19:47:30 +00:00
|
|
|
*/
|
|
|
|
ClutterActor *
|
|
|
|
st_bin_get_child (StBin *bin)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (ST_IS_BIN (bin), NULL);
|
|
|
|
|
|
|
|
return bin->priv->child;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_set_alignment:
|
|
|
|
* @bin: a #StBin
|
|
|
|
* @x_align: horizontal alignment
|
|
|
|
* @y_align: vertical alignment
|
|
|
|
*
|
|
|
|
* Sets the horizontal and vertical alignment of the child
|
|
|
|
* inside a #StBin.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
st_bin_set_alignment (StBin *bin,
|
|
|
|
StAlign x_align,
|
|
|
|
StAlign y_align)
|
|
|
|
{
|
|
|
|
StBinPrivate *priv;
|
|
|
|
gboolean changed = FALSE;
|
|
|
|
|
|
|
|
g_return_if_fail (ST_IS_BIN (bin));
|
|
|
|
|
|
|
|
priv = bin->priv;
|
|
|
|
|
|
|
|
g_object_freeze_notify (G_OBJECT (bin));
|
|
|
|
|
|
|
|
if (priv->x_align != x_align)
|
|
|
|
{
|
|
|
|
priv->x_align = x_align;
|
|
|
|
g_object_notify (G_OBJECT (bin), "x-align");
|
|
|
|
changed = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (priv->y_align != y_align)
|
|
|
|
{
|
|
|
|
priv->y_align = y_align;
|
|
|
|
g_object_notify (G_OBJECT (bin), "y-align");
|
|
|
|
changed = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (changed)
|
|
|
|
clutter_actor_queue_relayout (CLUTTER_ACTOR (bin));
|
|
|
|
|
|
|
|
g_object_thaw_notify (G_OBJECT (bin));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_get_alignment:
|
|
|
|
* @bin: a #StBin
|
|
|
|
* @x_align: return location for the horizontal alignment, or %NULL
|
|
|
|
* @y_align: return location for the vertical alignment, or %NULL
|
|
|
|
*
|
|
|
|
* Retrieves the horizontal and vertical alignment of the child
|
|
|
|
* inside a #StBin, as set by st_bin_set_alignment().
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
st_bin_get_alignment (StBin *bin,
|
|
|
|
StAlign *x_align,
|
|
|
|
StAlign *y_align)
|
|
|
|
{
|
|
|
|
StBinPrivate *priv;
|
|
|
|
|
|
|
|
g_return_if_fail (ST_IS_BIN (bin));
|
|
|
|
|
|
|
|
priv = bin->priv;
|
|
|
|
|
|
|
|
if (x_align)
|
|
|
|
*x_align = priv->x_align;
|
|
|
|
|
|
|
|
if (y_align)
|
|
|
|
*y_align = priv->y_align;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_set_fill:
|
|
|
|
* @bin: a #StBin
|
|
|
|
* @x_fill: %TRUE if the child should fill horizontally the @bin
|
|
|
|
* @y_fill: %TRUE if the child should fill vertically the @bin
|
|
|
|
*
|
|
|
|
* Sets whether the child of @bin should fill out the horizontal
|
|
|
|
* and/or vertical allocation of the parent
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
st_bin_set_fill (StBin *bin,
|
|
|
|
gboolean x_fill,
|
|
|
|
gboolean y_fill)
|
|
|
|
{
|
|
|
|
StBinPrivate *priv;
|
|
|
|
gboolean changed = FALSE;
|
|
|
|
|
|
|
|
g_return_if_fail (ST_IS_BIN (bin));
|
|
|
|
|
|
|
|
priv = bin->priv;
|
|
|
|
|
|
|
|
g_object_freeze_notify (G_OBJECT (bin));
|
|
|
|
|
|
|
|
if (priv->x_fill != x_fill)
|
|
|
|
{
|
|
|
|
priv->x_fill = x_fill;
|
|
|
|
changed = TRUE;
|
|
|
|
|
|
|
|
g_object_notify (G_OBJECT (bin), "x-fill");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (priv->y_fill != y_fill)
|
|
|
|
{
|
|
|
|
priv->y_fill = y_fill;
|
|
|
|
changed = TRUE;
|
|
|
|
|
|
|
|
g_object_notify (G_OBJECT (bin), "y-fill");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (changed)
|
|
|
|
clutter_actor_queue_relayout (CLUTTER_ACTOR (bin));
|
|
|
|
|
|
|
|
g_object_thaw_notify (G_OBJECT (bin));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* st_bin_get_fill:
|
|
|
|
* @bin: a #StBin
|
|
|
|
* @x_fill: (out): return location for the horizontal fill, or %NULL
|
|
|
|
* @y_fill: (out): return location for the vertical fill, or %NULL
|
|
|
|
*
|
|
|
|
* Retrieves the horizontal and vertical fill settings
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
st_bin_get_fill (StBin *bin,
|
|
|
|
gboolean *x_fill,
|
|
|
|
gboolean *y_fill)
|
|
|
|
{
|
|
|
|
g_return_if_fail (ST_IS_BIN (bin));
|
|
|
|
|
|
|
|
if (x_fill)
|
|
|
|
*x_fill = bin->priv->x_fill;
|
|
|
|
|
|
|
|
if (y_fill)
|
|
|
|
*y_fill = bin->priv->y_fill;
|
|
|
|
}
|