tests: Add interactive test for touch events
https://bugzilla.gnome.org/show_bug.cgi?id=677390
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@ -48,7 +48,8 @@ UNIT_TESTS = \
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test-devices.c \
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test-content.c \
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test-keyframe-transition.c \
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test-bind-constraint.c
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test-bind-constraint.c \
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test-touch-events.c
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if X11_TESTS
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UNIT_TESTS += test-pixmap.c
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161
tests/interactive/test-touch-events.c
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161
tests/interactive/test-touch-events.c
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@ -0,0 +1,161 @@
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/*
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* Copyright (C) 2012 Collabora Ltd.
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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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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include <stdlib.h>
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#include <math.h>
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#include <cairo.h>
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#include <glib.h>
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#include <clutter/clutter.h>
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#define STAGE_WIDTH 800
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#define STAGE_HEIGHT 550
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#define NUM_COLORS 10
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#define NUM_ACTORS 10
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static GSList *events = NULL;
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static const ClutterColor const static_colors[] = {
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{ 0xff, 0x00, 0x00, 0xff }, /* red */
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{ 0x80, 0x00, 0x00, 0xff }, /* dark red */
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{ 0x00, 0xff, 0x00, 0xff }, /* green */
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{ 0x00, 0x80, 0x00, 0xff }, /* dark green */
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{ 0x00, 0x00, 0xff, 0xff }, /* blue */
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{ 0x00, 0x00, 0x80, 0xff }, /* dark blue */
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{ 0x00, 0xff, 0xff, 0xff }, /* cyan */
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{ 0x00, 0x80, 0x80, 0xff }, /* dark cyan */
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{ 0xff, 0x00, 0xff, 0xff }, /* magenta */
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{ 0xff, 0xff, 0x00, 0xff }, /* yellow */
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};
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static void
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canvas_paint (ClutterCairoTexture *canvas)
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{
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clutter_cairo_texture_invalidate (canvas);
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}
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static void
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draw_touch (ClutterEvent *event,
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cairo_t *cr)
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{
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gulong sequence = (gulong) clutter_event_get_event_sequence (event);
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ClutterColor color = static_colors[sequence % NUM_COLORS];
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cairo_set_source_rgba (cr, color.red / 255,
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color.green / 255,
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color.blue / 255,
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color.alpha / 255);
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cairo_arc (cr, event->touch.x, event->touch.y, 5, 0, 2 * G_PI);
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cairo_fill (cr);
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}
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static gboolean
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draw_touches (ClutterCairoTexture *canvas,
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cairo_t *cr)
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{
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g_slist_foreach (events, (GFunc) draw_touch, cr);
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}
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static gboolean
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event_cb (ClutterActor *actor, ClutterEvent *event, ClutterActor *canvas)
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{
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if (event->type != CLUTTER_TOUCH_UPDATE)
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return FALSE;
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events = g_slist_append (events, clutter_event_copy (event));
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clutter_actor_queue_redraw (canvas);
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return TRUE;
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}
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static gboolean
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rect_event_cb (ClutterActor *actor, ClutterEvent *event, gpointer data)
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{
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gulong sequence;
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ClutterColor color;
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if (event->type != CLUTTER_TOUCH_BEGIN)
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return FALSE;
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sequence = (gulong) clutter_event_get_event_sequence (event);
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color = static_colors[sequence % NUM_COLORS];
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clutter_rectangle_set_color (CLUTTER_RECTANGLE (actor), &color);
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return TRUE;
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}
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G_MODULE_EXPORT int
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test_touch_events_main (int argc, char *argv[])
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{
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ClutterActor *stage, *canvas;
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int i;
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clutter_x11_enable_xinput ();
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/* initialize Clutter */
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return EXIT_FAILURE;
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/* create a resizable stage */
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stage = clutter_stage_new ();
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Touch events");
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clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
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clutter_actor_set_size (stage, STAGE_WIDTH, STAGE_HEIGHT);
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clutter_actor_set_reactive (stage, TRUE);
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clutter_actor_show (stage);
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/* our 2D canvas, courtesy of Cairo */
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canvas = clutter_cairo_texture_new (1, 1);
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g_signal_connect (canvas, "paint", G_CALLBACK (canvas_paint), NULL);
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g_signal_connect (canvas, "draw", G_CALLBACK (draw_touches), NULL);
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clutter_cairo_texture_set_auto_resize (CLUTTER_CAIRO_TEXTURE (canvas), TRUE);
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clutter_actor_add_constraint (canvas,
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clutter_bind_constraint_new (stage,
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CLUTTER_BIND_SIZE,
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0));
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), canvas);
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g_signal_connect (stage, "event", G_CALLBACK (event_cb), canvas);
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for (i = 0; i < NUM_ACTORS; i++)
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{
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gfloat size = STAGE_HEIGHT / NUM_ACTORS;
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ClutterColor color = static_colors[i % NUM_COLORS];
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ClutterActor *rectangle = clutter_rectangle_new_with_color (&color);
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/* Test that event delivery to actors work */
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g_signal_connect (rectangle, "event", G_CALLBACK (rect_event_cb), NULL);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), rectangle);
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clutter_actor_set_size (rectangle, size, size);
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clutter_actor_set_position (rectangle, 0, i * size);
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clutter_actor_set_reactive (rectangle, TRUE);
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}
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clutter_main ();
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g_slist_free_full (events, (GDestroyNotify) clutter_event_free);
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return EXIT_SUCCESS;
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}
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G_MODULE_EXPORT const char *
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test_touch_events_describe (void)
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{
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return "Draw shapes based on touch events";
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}
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