static VALUE
rbclt_script_connect_signals (int argc, VALUE *argv, VALUE self)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
AutoConnectData data;
data.state = 0;
if (rb_block_given_p ())
{
data.args = rb_ary_new4 (argc, argv);
data.proc = rb_block_proc ();
data.obj = Qnil;
}
else
{
rb_scan_args (argc, argv, "1*", &data.obj, &data.args);
data.proc = Qnil;
}
clutter_script_connect_signals_full (script,
rbclt_script_connect_signal,
&data);
/* If an exception was thrown then continue throwing that now that
we are safely out of the Clutter function call */
if (data.state)
rb_jump_tag (data.state);
return self;
}
static VALUE
rbclt_script_get_object (int argc, VALUE *argv, VALUE self)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
GObject *object;
if (argc == 1)
{
object = clutter_script_get_object (script, StringValuePtr (argv[0]));
return GOBJ2RVAL (object);
}
else if (argc > 1)
{
VALUE ary = rb_ary_new ();
int i;
for (i = 0; i < argc; i++)
{
object = clutter_script_get_object (script, StringValuePtr (argv[i]));
rb_ary_push (ary, GOBJ2RVAL (object));
}
return ary;
}
else
{
rb_raise (rb_eArgError, "wrong number of arguments "
"(at least one required)");
return Qnil;
}
}
static VALUE
rbclt_script_ensure_objects (VALUE self)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
clutter_script_ensure_objects (script);
return self;
}
static VALUE
rbclt_script_unmerge_objects (VALUE self, VALUE merge_id)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
clutter_script_unmerge_objects (script, NUM2UINT (merge_id));
return self;
}
static VALUE
rbclt_script_get_type_from_name (VALUE self, VALUE name)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
GType type;
type = clutter_script_get_type_from_name (script, StringValuePtr (name));
return type == G_TYPE_INVALID ? Qnil : GTYPE2CLASS (type);
}
gboolean
foo_button_pressed_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer user_data)
{
ClutterScript *ui = CLUTTER_SCRIPT (user_data);
ClutterStage *stage = CLUTTER_STAGE (clutter_script_get_object (ui, "stage"));
ClutterScript *script;
ClutterActor *rig;
ClutterAnimator *animator;
/* load the rig and its animator from a JSON file */
script = clutter_script_new ();
/* use a function defined statically in this source file to load the JSON */
load_script_from_file (script, ANIMATION_FILE);
clutter_script_get_objects (script,
"rig", &rig,
"animator", &animator,
NULL);
/* remove the button press handler from the rectangle */
g_signal_handlers_disconnect_matched (actor,
G_SIGNAL_MATCH_FUNC,
0,
0,
NULL,
foo_button_pressed_cb,
NULL);
/* add a callback to clean up the script when the rig is destroyed */
g_object_set_data_full (G_OBJECT (rig), "script", script, g_object_unref);
/* add the rig to the stage */
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rig);
/* place the rig at the same coordinates on the stage as the rectangle */
clutter_actor_set_position (rig,
clutter_actor_get_x (actor),
clutter_actor_get_y (actor));
/* put the rectangle into the top-left corner of the rig */
clutter_actor_reparent (actor, rig);
clutter_actor_set_position (actor, 0, 0);
/* animate the rig */
clutter_animator_start (animator);
return TRUE;
}
static VALUE
rbclt_script_load_from_file (VALUE self, VALUE filename)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
guint merge_id;
GError *error = NULL;
merge_id = clutter_script_load_from_file (script,
StringValuePtr (filename),
&error);
if (error)
RAISE_GERROR (error);
return UINT2NUM (merge_id);
}
/*
* start the animation when a key is pressed;
* see the signals recipe in the Script chapter for more details
*/
gboolean
foo_key_pressed_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer user_data)
{
ClutterScript *script = CLUTTER_SCRIPT (user_data);
ClutterAnimator *animator;
clutter_script_get_objects (script,
"animator", &animator,
NULL);
if (clutter_timeline_is_playing (clutter_animator_get_timeline (animator)))
return FALSE;
clutter_animator_start (animator);
return TRUE;
}
static VALUE
rbclt_script_load_from_data (VALUE self, VALUE data)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
guint merge_id;
GError *error = NULL;
StringValuePtr (data);
merge_id = clutter_script_load_from_data (script,
RSTRING (data)->ptr,
RSTRING (data)->len,
&error);
if (error)
RAISE_GERROR (error);
return UINT2NUM (merge_id);
}
static VALUE
rbclt_script_lookup_filename (VALUE self, VALUE filename)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
gchar *full_path;
VALUE ret;
full_path = clutter_script_lookup_filename (script,
StringValuePtr (filename));
if (full_path == NULL)
ret = Qnil;
else
{
ret = rb_str_new2 (full_path);
g_free (full_path);
}
return ret;
}
static VALUE
rbclt_script_add_search_paths (int argc, VALUE *argv, VALUE self)
{
ClutterScript *script = CLUTTER_SCRIPT (RVAL2GOBJ (self));
int i;
const gchar **paths;
/* Make sure all of the arguments are strings before allocating the
array */
for (i = 0; i < argc; i++)
StringValuePtr (argv[i]);
paths = g_malloc (sizeof (const gchar *) * argc);
for (i = 0; i < argc; i++)
paths[i] = StringValuePtr (argv[i]);
clutter_script_add_search_paths (script, paths, argc);
g_free (paths);
return self;
}