mutter/tests/interactive/test-box-layout.c

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/*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* Boston, MA 02111-1307, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
static ClutterActor *hover_actor = NULL;
static void
enter_event (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
ClutterColor color = { 0x00, 0x00, 0x00, 0xff };
clutter_rectangle_set_border_width (CLUTTER_RECTANGLE (actor), 2);
clutter_rectangle_set_border_color (CLUTTER_RECTANGLE (actor), &color);
hover_actor = actor;
}
static void
leave_event (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
clutter_rectangle_set_border_width (CLUTTER_RECTANGLE (actor), 0);
hover_actor = NULL;
}
static gboolean
button_release_event (ClutterActor *actor,
ClutterEvent *event,
ClutterBoxLayout *box)
{
gboolean xfill, yfill;
ClutterBoxAlignment xalign, yalign;
gint button;
button = clutter_event_get_button (event);
if (button == 1)
{
clutter_box_layout_get_fill (box, actor, &xfill, &yfill);
clutter_box_layout_set_fill (box, actor,
xfill ? FALSE : TRUE,
yfill ? FALSE : TRUE);
}
else
{
clutter_box_layout_get_alignment (box, actor, &xalign, &yalign);
if (xalign < 2)
xalign += 1;
else
xalign = 0;
if (yalign < 2)
yalign += 1;
else
yalign = 0;
clutter_box_layout_set_alignment (box, actor, xalign, yalign);
}
return TRUE;
}
static void
add_actor (ClutterBoxLayout *box)
{
ClutterActor *rect;
ClutterColor color = { 0xff, 0xff, 0xff, 255 };
static gboolean expand = TRUE;
clutter_color_from_hls (&color,
g_random_double_range (0.0, 360.0),
0.5,
0.5);
rect = clutter_rectangle_new_with_color (&color);
clutter_actor_set_size (rect, 32, 64);
clutter_box_layout_pack (box, rect, expand,
FALSE, /* x-fill */
FALSE, /* y-fill */
CLUTTER_BOX_ALIGNMENT_CENTER,
CLUTTER_BOX_ALIGNMENT_CENTER);
clutter_actor_set_reactive (rect, TRUE);
g_signal_connect (rect, "enter-event", G_CALLBACK (enter_event), NULL);
g_signal_connect (rect, "leave-event", G_CALLBACK (leave_event), NULL);
g_signal_connect (rect, "button-release-event",
G_CALLBACK (button_release_event),
box);
expand = !expand;
}
static gboolean
key_release_cb (ClutterActor *actor,
ClutterEvent *event,
ClutterBoxLayout *layout)
{
gboolean toggle;
guint spacing;
switch (clutter_event_get_key_symbol (event))
{
case CLUTTER_v:
toggle = clutter_box_layout_get_vertical (layout);
clutter_box_layout_set_vertical (layout, !toggle);
break;
case CLUTTER_p:
toggle = clutter_box_layout_get_pack_start (layout);
clutter_box_layout_set_pack_start (layout, !toggle);
break;
case CLUTTER_s:
spacing = clutter_box_layout_get_spacing (layout);
if (spacing > 12)
spacing = 0;
else
spacing++;
clutter_box_layout_set_spacing (layout, spacing);
break;
case CLUTTER_plus:
add_actor (layout);
break;
default:
return FALSE;
}
return TRUE;
}
static void
stage_size_changed_cb (ClutterActor *stage,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags,
ClutterActor *box)
{
gfloat width, height;
clutter_actor_box_get_size (allocation, &width, &height);
clutter_actor_set_size (box, width - 100, height - 100);
}
G_MODULE_EXPORT int
test_box_layout_main (int argc, char *argv[])
{
ClutterActor *stage, *box;
ClutterLayoutManager *layout;
gint i;
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Box Layout");
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
clutter_actor_set_size (stage, 640, 480);
layout = clutter_box_layout_new ();
box = clutter_box_new (layout);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
for (i = 0; i < 5; i++)
add_actor (CLUTTER_BOX_LAYOUT (layout));
g_signal_connect (stage, "key-release-event",
G_CALLBACK (key_release_cb),
layout);
g_signal_connect (stage, "allocation-changed",
G_CALLBACK (stage_size_changed_cb),
box);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}