From: Emmanuele Bassi Date: Wed, 25 Jan 2012 23:09:03 +0000 (+0000) Subject: docs: Use symbolic constants for sources and events X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b2bf2dbb089a0e4784586d40c7f28e02082a7734;p=profile%2Fivi%2Fclutter.git docs: Use symbolic constants for sources and events --- diff --git a/doc/cookbook/examples/textures-split-go.c b/doc/cookbook/examples/textures-split-go.c index 540bc7d..11cfd14 100644 --- a/doc/cookbook/examples/textures-split-go.c +++ b/doc/cookbook/examples/textures-split-go.c @@ -35,7 +35,7 @@ go_away (gpointer data) "y", +context->image_height, "rotation-angle-z", 2000., NULL); - return FALSE; /* remove the timeout source */ + return G_SOURCE_REMOVE; /* remove the timeout source */ } /* We split the four sub-textures faking to be the big texture, moving them @@ -68,9 +68,9 @@ split (gpointer data) NULL); /* In 500ms the textures will flee! */ - g_timeout_add (500, go_away, context); + clutter_threads_add_timeout (500, go_away, context); - return FALSE; /* remove the timeout source */ + return G_SOURCE_REMOVE; /* remove the timeout source */ } static ClutterActor * @@ -178,7 +178,7 @@ main (int argc, context.image_height = image_height; /* In two seconds, we'll split the texture! */ - g_timeout_add_seconds (2, split, &context); + clutter_threads_add_timeout (2000, split, &context); clutter_main (); diff --git a/doc/reference/clutter/clutter-animation-tutorial.xml b/doc/reference/clutter/clutter-animation-tutorial.xml index 7340dc4..c553777 100644 --- a/doc/reference/clutter/clutter-animation-tutorial.xml +++ b/doc/reference/clutter/clutter-animation-tutorial.xml @@ -32,9 +32,9 @@ Basic Animations The most basic way to create animations with Clutter is via the use - of g_timeout_add(). This enables a callback function to be called at a - defined interval. The callback function can then modify actors visual - properties as to produce an animation. + of clutter_threads_add_timeout(). This enables a callback function to be + called at a defined interval. The callback function can then modify actors + visual properties as to produce an animation. Simple timeout example @@ -57,10 +57,11 @@ rotate_actor (gpointer data) /* add one degree */ clos->current_angle += 1.0 + /* if we reached the target angle, stop */ if (clos->current_angle == clos->final_angle) - return FALSE; + return G_SOURCE_REMOVE; - return TRUE; + return G_SOURCE_CONTINUE; } static void @@ -80,27 +81,28 @@ rotate_actor_cleanup (gpointer data) clos->final_angle = 360.0; clos->current_angle = 0; - g_timeout_add_full (1000 / 360, /* 360 updates in one second */ - rotate_actor, - clos, - rotate_actor_cleanup); + clutter_threads_add_timeout_full (G_PRIORITY_DEFAULT, + 1000 / 360, /* 360 updates in one second */ + rotate_actor, + clos, + rotate_actor_cleanup); Priorities %G_PRIORITY_DEFAULT should always be used as the timeouts priority - (in case of g_timeout_add_full()) as not to intefere with Clutter's - scheduling of repaints and input event handling. + (in case of clutter_threads_add_timeout_full()) as not to intefere with + Clutter's scheduling of repaints and input event handling.
Timelines - Using g_timeout_add() to control an animation is complicated - and does not work in concert with the rest of the operations Clutter - must perform for each redraw cycle. + Using clutter_threads_add_timeout() to control an animation is + complicated and does not work in concert with the rest of the operations + Clutter must perform for each redraw cycle. For this reason, Clutter provides #ClutterTimeline, a class that allows scheduling animations with a definite duration. Timelines are @@ -113,7 +115,7 @@ rotate_actor_cleanup (gpointer data) A Timeline is created with: -clutter_timeline_new (duration_in_milliseconds); +ClutterTimeline *timeline = clutter_timeline_new (duration_in_milliseconds); The duration of the timeline then be modifed via the @@ -161,7 +163,7 @@ on_new_frame (ClutterTimeline *timeline, Using a Timeline to drive an animation Rewrite the example above with a #ClutterTimeline instead of - using g_timeout_add() + using clutter_threads_add_timeout() #include <clutter/clutter.h> @@ -189,12 +191,9 @@ on_new_frame (ClutterTimeline *timeline, clutter_timeline_start (timeline); - - Multiple timelines can be sequenced in order by using a - #ClutterScore. See the #ClutterScore documentation for more details on - using this.
+
Implicit Animations