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2007-10-15 Matthew Allum <mallum@openedhand.com>

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* clutter/clutter-actor.c:
        More events documentation.

        * clutter/clutter-event.c:
        * clutter/clutter-event.h:
        Add synthetic flag and make put_event use it
        (via modded patch from pippin)

        * clutter/clutter-main.c: (clutter_do_event):
        dont use put event anymore when pushing enter/leave events.
This commit is contained in:
Matthew Allum 2007-10-15 16:50:59 +00:00
parent 2a891520fa
commit dd99f024bf
5 changed files with 37 additions and 10 deletions
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13
ChangeLog
View file

@ -1,3 +1,16 @@
2007-10-15 Matthew Allum <mallum@openedhand.com>
* clutter/clutter-actor.c:
More events documentation.
* clutter/clutter-event.c:
* clutter/clutter-event.h:
Add synthetic flag and make put_event use it
(via modded patch from pippin)
* clutter/clutter-main.c: (clutter_do_event):
dont use put event anymore when pushing enter/leave events.
2007-10-15 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/pango/Makefile.am: Compile with the debug flags, if

15
clutter/clutter-actor.c
View file

@ -38,6 +38,8 @@
* <orderedlist>
* <listitem><para>Actors emit pointer events if set reactive, see
* clutter_actor_set_reactive()</para></listitem>
* <listitem><para>Events are handled by connecting signal handlers to
* the numerous event signal types.</para></listitem>
* <listitem><para>Event handlers must return %TRUE if they handled
* the event and wish to block the event emission chain; and %FALSE
* if the emission chain must continue</para></listitem>
@ -46,10 +48,15 @@
* <listitem><para>Motion events (motion, enter, leave) are only emitted
* per actor if clutter_enable_motion_events() was called with %TRUE. If
* set to %FALSE (the default) then only the stage emits motion
* events</para></listitem>
* <listitem><para>Once emitted, an event has two phases: capture
* and bubble</para></listitem>
* </orderedlist>
* events (no enter or leave events).</para></listitem>
* <listitem><para>Once emitted, an event emmision chain has two
* phases: capture and bubble. A emitted event starts in the capture
* phase beginning at the stage and transversing child actors until
* the event source actor is reached. The emmision then enters the bubble
* phase transversing back up via parents to the stage. An event
* handler can abort this chain at point by returning
* %TRUE.</para></listitem>
* </orderedlist>
*/
#ifdef HAVE_CONFIG_H

11
clutter/clutter-event.c
View file

@ -439,19 +439,24 @@ clutter_event_peek (void)
* clutter_event_put:
* @event: a #ClutterEvent
*
* Puts a copy of the event on the back on the event queue.
* Puts a copy of the event on the back of the event queue.
* The event will have the #CLUTTER_EVENT_FLAG_SYNTHETIC flag set.
*
* Since: 0.4
* Since: 0.6
*/
void
clutter_event_put (ClutterEvent *event)
{
ClutterMainContext *context = clutter_context_get_default ();
ClutterEvent *event_copy;
/* FIXME: check queue is valid */
g_return_if_fail (context != NULL);
g_queue_push_head (context->events_queue, clutter_event_copy (event));
event_copy = clutter_event_copy (event);
event_copy->any.flags |= CLUTTER_EVENT_FLAG_SYNTHETIC;
g_queue_push_head (context->events_queue, event_copy);
}
/**

2
clutter/clutter-event.h
View file

@ -52,7 +52,7 @@ typedef enum {
} ClutterModifierType;
typedef enum {
CLUTTER_EVENT_FLAG_COOKED = 1 << 0,
CLUTTER_EVENT_FLAG_SYNTHETIC = 1 << 0,
} ClutterEventFlags;
typedef enum

6
clutter/clutter-main.c
View file

@ -1310,7 +1310,8 @@ clutter_do_event (ClutterEvent *event)
/* unref in free */
cev.crossing.related = g_object_ref (actor);
clutter_event_put (&cev); /* copys */
g_queue_push_head (context->events_queue,
clutter_event_copy (&cev));
cev.crossing.type = CLUTTER_ENTER;
cev.crossing.time = event->any.time;
@ -1320,7 +1321,8 @@ clutter_do_event (ClutterEvent *event)
cev.crossing.source = actor;
cev.crossing.related = g_object_ref (motion_last_actor);
clutter_event_put (&cev);
g_queue_push_head (context->events_queue,
clutter_event_copy (&cev));
}
}
motion_last_actor = actor;