#include #include #include #include #include #include #include "test-utils.h" #define NHANDS 6 typedef struct SuperOH { ClutterActor **hand; ClutterActor *bgtex; ClutterActor *real_hand; ClutterActor *group; ClutterActor *stage; gint stage_width; gint stage_height; gfloat radius; ClutterTimeline *timeline; } SuperOH; static gint n_hands = NHANDS; int test_actors_main (int argc, char *argv[]); static GOptionEntry super_oh_entries[] = { { "num-hands", 'n', 0, G_OPTION_ARG_INT, &n_hands, "Number of hands", "HANDS" }, { NULL } }; static void on_group_destroy (ClutterActor *actor, SuperOH *oh) { oh->group = NULL; } static void on_hand_destroy (ClutterActor *actor, SuperOH *oh) { int i; for (i = 0; i < n_hands; i++) { if (oh->hand[i] == actor) oh->hand[i] = NULL; } } static gboolean on_button_press_event (ClutterActor *actor, ClutterEvent *event, SuperOH *oh) { gfloat x, y; clutter_event_get_coords (event, &x, &y); g_print ("*** button press event (button:%d) at %.2f, %.2f on %s ***\n", clutter_event_get_button (event), x, y, clutter_actor_get_name (actor)); clutter_actor_hide (actor); return TRUE; } static gboolean input_cb (ClutterActor *stage, ClutterEvent *event, gpointer data) { SuperOH *oh = data; if (event->type == CLUTTER_KEY_RELEASE) { g_print ("*** key press event (key:%c) ***\n", clutter_event_get_key_symbol (event)); if (clutter_event_get_key_symbol (event) == CLUTTER_KEY_q) { clutter_main_quit (); return TRUE; } else if (clutter_event_get_key_symbol (event) == CLUTTER_KEY_r) { gint i; for (i = 0; i < n_hands; i++) { if (oh->hand[i] != NULL) clutter_actor_show (oh->hand[i]); } return TRUE; } } return FALSE; } /* Timeline handler */ static void frame_cb (ClutterTimeline *timeline, gint msecs, gpointer data) { SuperOH *oh = data; gint i; float rotation = clutter_timeline_get_progress (timeline) * 360.0f; /* Rotate everything clockwise about stage center*/ if (oh->group != NULL) clutter_actor_set_rotation (oh->group, CLUTTER_Z_AXIS, rotation, oh->stage_width / 2, oh->stage_height / 2, 0); for (i = 0; i < n_hands; i++) { /* Rotate each hand around there centers - to get this we need * to take into account any scaling. */ if (oh->hand[i] != NULL) clutter_actor_set_rotation (oh->hand[i], CLUTTER_Z_AXIS, -6.0 * rotation, 0, 0, 0); } } static void stop_and_quit (ClutterActor *stage, SuperOH *data) { clutter_timeline_stop (data->timeline); clutter_main_quit (); } G_MODULE_EXPORT int test_actors_main (int argc, char *argv[]) { SuperOH *oh; gint i; GError *error; ClutterActor *real_hand; gchar *file; error = NULL; if (clutter_init_with_args (&argc, &argv, NULL, super_oh_entries, NULL, &error) != CLUTTER_INIT_SUCCESS) { g_warning ("Unable to initialise Clutter:\n%s", error->message); g_error_free (error); return EXIT_FAILURE; } oh = g_new (SuperOH, 1); oh->stage = clutter_stage_new (); clutter_actor_set_size (oh->stage, 800, 600); clutter_actor_set_name (oh->stage, "Default Stage"); clutter_actor_set_background_color (oh->stage, CLUTTER_COLOR_LightSkyBlue); g_signal_connect (oh->stage, "destroy", G_CALLBACK (stop_and_quit), oh); clutter_stage_set_title (CLUTTER_STAGE (oh->stage), "Actors"); /* Create a timeline to manage animation */ oh->timeline = clutter_timeline_new (6000); clutter_timeline_set_repeat_count (oh->timeline, -1); /* fire a callback for frame change */ g_signal_connect (oh->timeline, "new-frame", G_CALLBACK (frame_cb), oh); file = g_build_filename (TESTS_DATADIR, "redhand.png", NULL); real_hand = clutter_test_utils_create_texture_from_file (file, &error); if (real_hand == NULL) g_error ("image load failed: %s", error->message); g_free (file); /* create a new actor to hold other actors */ oh->group = clutter_actor_new (); clutter_actor_set_layout_manager (oh->group, clutter_fixed_layout_new ()); clutter_actor_set_name (oh->group, "Group"); g_signal_connect (oh->group, "destroy", G_CALLBACK (on_group_destroy), oh); clutter_actor_add_constraint (oh->group, clutter_align_constraint_new (oh->stage, CLUTTER_ALIGN_BOTH, 0.5)); clutter_actor_add_constraint (oh->group, clutter_bind_constraint_new (oh->stage, CLUTTER_BIND_SIZE, 0.0f)); oh->hand = g_new (ClutterActor*, n_hands); oh->stage_width = clutter_actor_get_width (oh->stage); oh->stage_height = clutter_actor_get_height (oh->stage); oh->radius = (oh->stage_width + oh->stage_height) / n_hands; for (i = 0; i < n_hands; i++) { gint x, y, w, h; if (i == 0) { oh->hand[i] = real_hand; clutter_actor_set_name (oh->hand[i], "Real Hand"); } else { oh->hand[i] = clutter_clone_new (real_hand); clutter_actor_set_name (oh->hand[i], "Clone Hand"); } clutter_actor_set_reactive (oh->hand[i], TRUE); clutter_actor_set_size (oh->hand[i], 200, 213); /* Place around a circle */ w = clutter_actor_get_width (oh->hand[i]); h = clutter_actor_get_height (oh->hand[i]); x = oh->stage_width / 2 + oh->radius * cos (i * G_PI / (n_hands / 2)) - w / 2; y = oh->stage_height / 2 + oh->radius * sin (i * G_PI / (n_hands / 2)) - h / 2; clutter_actor_set_position (oh->hand[i], x, y); clutter_actor_move_anchor_point_from_gravity (oh->hand[i], CLUTTER_GRAVITY_CENTER); /* Add to our group group */ clutter_container_add_actor (CLUTTER_CONTAINER (oh->group), oh->hand[i]); g_signal_connect (oh->hand[i], "button-press-event", G_CALLBACK (on_button_press_event), oh); g_signal_connect (oh->hand[i], "destroy", G_CALLBACK (on_hand_destroy), oh); } /* Add the group to the stage */ clutter_container_add_actor (CLUTTER_CONTAINER (oh->stage), oh->group); /* Show everying */ clutter_actor_show (oh->stage); g_signal_connect (oh->stage, "key-release-event", G_CALLBACK (input_cb), oh); /* and start it */ clutter_timeline_start (oh->timeline); clutter_main (); clutter_timeline_stop (oh->timeline); /* clean up */ g_object_unref (oh->timeline); g_free (oh->hand); g_free (oh); return EXIT_SUCCESS; }