mirror of
https://github.com/brl/mutter.git
synced 2024-12-18 00:52:05 +00:00
3bdd49dc19
Script definitions can connect a signal to a State transition; this is a useful thing to document with a recipe in the cookbook.
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
#include <stdlib.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
/* callbacks cannot be declared static as they
|
|
* are looked up dynamically by ClutterScript
|
|
*/
|
|
gboolean
|
|
foo_pointer_motion_cb (ClutterActor *actor,
|
|
ClutterEvent *event,
|
|
gpointer user_data)
|
|
{
|
|
gfloat x, y;
|
|
clutter_event_get_coords (event, &x, &y);
|
|
|
|
g_print ("Pointer movement at %.0f,%.0f\n", x, y);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
foo_button_clicked_cb (ClutterClickAction *action,
|
|
ClutterActor *actor,
|
|
gpointer user_data)
|
|
{
|
|
gfloat z_angle;
|
|
|
|
/* get the UI definition passed to the handler */
|
|
ClutterScript *ui = CLUTTER_SCRIPT (user_data);
|
|
|
|
/* get the rectangle defined in the JSON */
|
|
ClutterActor *rectangle;
|
|
clutter_script_get_objects (ui,
|
|
"rectangle", &rectangle,
|
|
NULL);
|
|
|
|
/* do nothing if the actor is already animating */
|
|
if (clutter_actor_get_animation (rectangle) != NULL)
|
|
return;
|
|
|
|
/* get the current rotation and increment it */
|
|
z_angle = clutter_actor_get_rotation (rectangle,
|
|
CLUTTER_Z_AXIS,
|
|
NULL, NULL, NULL);
|
|
|
|
if (clutter_click_action_get_button (action) == 1)
|
|
z_angle += 90.0;
|
|
else
|
|
z_angle -= 90.0;
|
|
|
|
/* animate to new rotation angle */
|
|
clutter_actor_animate (rectangle,
|
|
CLUTTER_EASE_OUT_CUBIC,
|
|
1000,
|
|
"rotation-angle-z", z_angle,
|
|
NULL);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
ClutterActor *stage;
|
|
ClutterScript *ui;
|
|
|
|
gchar *filename = "script-signals.json";
|
|
GError *error = NULL;
|
|
|
|
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
|
|
return 1;
|
|
|
|
ui = clutter_script_new ();
|
|
|
|
clutter_script_load_from_file (ui, filename, &error);
|
|
|
|
if (error != NULL)
|
|
{
|
|
g_critical ("Error loading ClutterScript file %s\n%s", filename, error->message);
|
|
g_error_free (error);
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
clutter_script_get_objects (ui,
|
|
"stage", &stage,
|
|
NULL);
|
|
|
|
/* make the objects in the script available to all signals
|
|
* by passing the script as the second argument
|
|
* to clutter_script_connect_signals()
|
|
*/
|
|
clutter_script_connect_signals (ui, ui);
|
|
|
|
clutter_actor_show (stage);
|
|
|
|
clutter_main ();
|
|
|
|
g_object_unref (ui);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|