gnome-shell/src/st/st-box-layout-child.c

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* st-box-layout-child.c: box layout child actor
*
* Copyright 2009 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:st-box-layout-child
* @short_description: meta data associated with a #StBoxLayout child.
*
* #StBoxLayoutChild is a #ClutterChildMeta implementation that stores the
* child properties for children inside a #StBoxLayout.
*/
#include "st-box-layout-child.h"
#include "st-private.h"
G_DEFINE_TYPE (StBoxLayoutChild, st_box_layout_child, CLUTTER_TYPE_CHILD_META)
#define BOX_LAYOUT_CHILD_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), ST_TYPE_BOX_LAYOUT_CHILD, StBoxLayoutChildPrivate))
enum
{
PROP_0,
PROP_EXPAND,
PROP_X_FILL,
PROP_Y_FILL,
PROP_X_ALIGN,
PROP_Y_ALIGN
};
static void
st_box_layout_child_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
StBoxLayoutChild *child = ST_BOX_LAYOUT_CHILD (object);
switch (property_id)
{
case PROP_EXPAND:
g_value_set_boolean (value, child->expand);
break;
case PROP_X_FILL:
g_value_set_boolean (value, child->x_fill);
break;
case PROP_Y_FILL:
g_value_set_boolean (value, child->y_fill);
break;
case PROP_X_ALIGN:
g_value_set_enum (value, child->x_align);
break;
case PROP_Y_ALIGN:
g_value_set_enum (value, child->y_align);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
st_box_layout_child_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
StBoxLayoutChild *child = ST_BOX_LAYOUT_CHILD (object);
StBoxLayout *box = ST_BOX_LAYOUT (CLUTTER_CHILD_META (object)->container);
switch (property_id)
{
case PROP_EXPAND:
child->expand = g_value_get_boolean (value);
break;
case PROP_X_FILL:
child->x_fill = g_value_get_boolean (value);
break;
case PROP_Y_FILL:
child->y_fill = g_value_get_boolean (value);
break;
case PROP_X_ALIGN:
child->x_align = g_value_get_enum (value);
break;
case PROP_Y_ALIGN:
child->y_align = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
clutter_actor_queue_relayout ((ClutterActor*) box);
}
static void
st_box_layout_child_dispose (GObject *object)
{
G_OBJECT_CLASS (st_box_layout_child_parent_class)->dispose (object);
}
static void
st_box_layout_child_finalize (GObject *object)
{
G_OBJECT_CLASS (st_box_layout_child_parent_class)->finalize (object);
}
static void
st_box_layout_child_class_init (StBoxLayoutChildClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
object_class->get_property = st_box_layout_child_get_property;
object_class->set_property = st_box_layout_child_set_property;
object_class->dispose = st_box_layout_child_dispose;
object_class->finalize = st_box_layout_child_finalize;
pspec = g_param_spec_boolean ("expand", "Expand",
"Allocate the child extra space",
FALSE,
ST_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_EXPAND, pspec);
pspec = g_param_spec_boolean ("x-fill", "x-fill",
"Whether the child should receive priority "
"when the container is allocating spare space "
"on the horizontal axis",
TRUE,
ST_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_X_FILL, pspec);
pspec = g_param_spec_boolean ("y-fill", "y-fill",
"Whether the child should receive priority "
"when the container is allocating spare space "
"on the vertical axis",
TRUE,
ST_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_Y_FILL, pspec);
pspec = g_param_spec_enum ("x-align",
"X Alignment",
"X alignment of the widget within the cell",
ST_TYPE_ALIGN,
ST_ALIGN_MIDDLE,
ST_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_X_ALIGN, pspec);
pspec = g_param_spec_enum ("y-align",
"Y Alignment",
"Y alignment of the widget within the cell",
ST_TYPE_ALIGN,
ST_ALIGN_MIDDLE,
ST_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_Y_ALIGN, pspec);
}
static void
st_box_layout_child_init (StBoxLayoutChild *self)
{
self->expand = FALSE;
self->x_fill = TRUE;
self->y_fill = TRUE;
self->x_align = ST_ALIGN_MIDDLE;
self->y_align = ST_ALIGN_MIDDLE;
}