On Sun, 2008-07-06 at 03:38 +0100, iain wrote:
> On Sat, 2008-07-05 at 20:36 +0200, Andre Schmidt wrote:
>
> > am i doing something very stupid in that code ?
> > or is it maybe a bug ?
> > (or does the code work under your system?)
>
> Without having run it you may need to wrap the clutter_actor_move_by
> command in clutter_thread_enter() and clutter_thread_leave() calls as
> its being called from a thread that isn't the main thread. And add
> clutter_threads_init() at the start of main.
thank you very much! exactly what i was missing
(i attached a working code for future reference)
>
> If a clutter function is called from a thread other than the main one
> then they need to be wrapped with _enter and _leave.
i had the feeling that i needed something...
thank you for letting me know!
.andre
>
> iain
>
#include <clutter/clutter.h>
#include <stdlib.h>
#include <lo/lo.h>
ClutterActor *rect;
int move_actor()
{
printf("trying to move\n");
clutter_threads_enter();
clutter_actor_move_by(rect,20,20);
clutter_threads_leave();
return 0;
}
int main(int argc, char *argv[])
{
lo_server_thread st = lo_server_thread_new("7771", NULL);
lo_server_thread_add_method(st, NULL, NULL, move_actor, NULL);
lo_server_thread_start(st);
ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
ClutterColor actor_color = { 0xff, 0xff, 0xff, 0x99 };
g_thread_init(NULL);
clutter_threads_init();
clutter_init (&argc, &argv);
/* Get the stage and set its size and color: */
ClutterActor *stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, 200, 200);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
/* Add a rectangle to the stage: */
rect = clutter_rectangle_new_with_color (&actor_color);
clutter_actor_set_size (rect, 100, 100);
clutter_actor_set_position (rect, 0, 0);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
clutter_actor_show (rect);
/* Show the stage: */
clutter_actor_show (stage);
move_actor();
/* Start the main loop, so we can respond to events: */
clutter_main ();
return EXIT_SUCCESS;
}
