mirror of
https://github.com/brl/mutter.git
synced 2024-12-27 05:12:15 +00:00
f9d2310b72
Modified all cookbook example code to prevent ISO C90 compliance warnings occurring during compilation.
124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
#include <stdlib.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
typedef struct
|
|
{
|
|
ClutterActor *stage;
|
|
ClutterActor *group;
|
|
ClutterAnimator *animator;
|
|
} State;
|
|
|
|
static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
|
|
static const ClutterColor red_color = { 0xff, 0x00, 0x00, 0xff };
|
|
static const ClutterColor green_color = { 0x00, 0xff, 0x00, 0xff };
|
|
static const ClutterColor blue_color = { 0x00, 0x00, 0xff, 0xff };
|
|
|
|
/* add keys to the animator such that the actor is moved
|
|
* to a random x position
|
|
*/
|
|
static void
|
|
add_keys_for_actor (ClutterActor *actor,
|
|
gpointer user_data)
|
|
{
|
|
ClutterAnimator *animator = CLUTTER_ANIMATOR (user_data);
|
|
|
|
gfloat x, end_x;
|
|
|
|
x = clutter_actor_get_x (actor);
|
|
|
|
end_x = 50.0;
|
|
if (x == 50.0)
|
|
end_x = 225.0 + (100.0 * rand () / (RAND_MAX + 1.0));
|
|
|
|
clutter_animator_set (animator,
|
|
actor, "x", CLUTTER_LINEAR, 0.0, x,
|
|
actor, "x", CLUTTER_EASE_OUT_CUBIC, 1.0, end_x,
|
|
NULL);
|
|
}
|
|
|
|
static gboolean
|
|
move_actors (ClutterActor *actor,
|
|
ClutterEvent *event,
|
|
gpointer user_data)
|
|
{
|
|
State *state = (State *) user_data;
|
|
|
|
/* do nothing if the animator is already running */
|
|
if (clutter_timeline_is_playing (clutter_animator_get_timeline (state->animator)))
|
|
return TRUE;
|
|
|
|
/* remove all keys from the animator */
|
|
clutter_animator_remove_key (state->animator, NULL, NULL, -1);
|
|
|
|
/* add keys for all actors in the group */
|
|
clutter_container_foreach (CLUTTER_CONTAINER (state->group),
|
|
add_keys_for_actor,
|
|
state->animator);
|
|
|
|
/* start the animation */
|
|
clutter_animator_start (state->animator);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
main (int argc,
|
|
char *argv[])
|
|
{
|
|
ClutterActor *red;
|
|
ClutterActor *green;
|
|
ClutterActor *blue;
|
|
State *state = g_new0 (State, 1);
|
|
|
|
/* seed random number generator */
|
|
srand ((unsigned int) time (NULL));
|
|
|
|
clutter_init (&argc, &argv);
|
|
|
|
state->animator = clutter_animator_new ();
|
|
clutter_animator_set_duration (state->animator, 500);
|
|
|
|
state->stage = clutter_stage_get_default ();
|
|
clutter_actor_set_size (state->stage, 400, 350);
|
|
clutter_stage_set_color (CLUTTER_STAGE (state->stage), &stage_color);
|
|
g_signal_connect (state->stage,
|
|
"destroy",
|
|
G_CALLBACK (clutter_main_quit),
|
|
NULL);
|
|
|
|
state->group = clutter_group_new ();
|
|
|
|
red = clutter_rectangle_new_with_color (&red_color);
|
|
clutter_actor_set_size (red, 50, 50);
|
|
clutter_actor_set_position (red, 50, 50);
|
|
|
|
green = clutter_rectangle_new_with_color (&green_color);
|
|
clutter_actor_set_size (green, 50, 50);
|
|
clutter_actor_set_position (green, 50, 150);
|
|
|
|
blue = clutter_rectangle_new_with_color (&blue_color);
|
|
clutter_actor_set_size (blue, 50, 50);
|
|
clutter_actor_set_position (blue, 50, 250);
|
|
|
|
g_signal_connect (state->stage,
|
|
"key-press-event",
|
|
G_CALLBACK (move_actors),
|
|
state);
|
|
|
|
clutter_container_add (CLUTTER_CONTAINER (state->group),
|
|
red,
|
|
green,
|
|
blue,
|
|
NULL);
|
|
clutter_container_add_actor (CLUTTER_CONTAINER (state->stage), state->group);
|
|
|
|
clutter_actor_show (state->stage);
|
|
|
|
clutter_main ();
|
|
|
|
g_object_unref (state->animator);
|
|
g_free (state);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|