static inline void
container_remove_actor (ClutterContainer *container,
ClutterActor *actor)
{
ClutterActor *parent;
parent = clutter_actor_get_parent (actor);
if (parent != CLUTTER_ACTOR (container))
{
g_warning ("Attempting to remove actor of type '%s' from "
"group of class '%s', but the container is not "
"the actor's parent.",
g_type_name (G_OBJECT_TYPE (actor)),
g_type_name (G_OBJECT_TYPE (container)));
return;
}
clutter_container_destroy_child_meta (container, actor);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
ClutterContainerIface *iface = CLUTTER_CONTAINER_GET_IFACE (container);
if (iface->remove != container_real_remove)
_clutter_diagnostic_message ("The ClutterContainer::remove() virtual "
"function has been deprecated and it "
"should not be overridden by newly "
"written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
CLUTTER_CONTAINER_GET_IFACE (container)->remove (container, actor);
}
/**
* clutter_container_foreach_with_internals:
* @container: a #ClutterContainer
* @callback: (scope call): a function to be called for each child
* @user_data: data to be passed to the function, or %NULL
*
* Calls @callback for each child of @container, including "internal"
* children built in to the container itself that were never added
* by the application.
*
* This function calls the #ClutterContainerIface.foreach_with_internals()
* virtual function, which has been deprecated.
*
* Since: 1.0
*
* Deprecated: 1.10: See clutter_container_foreach().
*/
void
clutter_container_foreach_with_internals (ClutterContainer *container,
ClutterCallback callback,
gpointer user_data)
{
ClutterContainerIface *iface;
g_return_if_fail (CLUTTER_IS_CONTAINER (container));
g_return_if_fail (callback != NULL);
iface = CLUTTER_CONTAINER_GET_IFACE (container);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
if (iface->foreach_with_internals != NULL)
_clutter_diagnostic_message ("The ClutterContainer::foreach_with_internals() "
"virtual function has been deprecated "
"and it should not be overridden by "
"newly written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
if (iface->foreach_with_internals != NULL)
iface->foreach_with_internals (container, callback, user_data);
else
iface->foreach (container, callback, user_data);
}
static inline void
container_add_actor (ClutterContainer *container,
ClutterActor *actor)
{
ClutterActor *parent;
parent = clutter_actor_get_parent (actor);
if (G_UNLIKELY (parent != NULL))
{
g_warning ("Attempting to add actor of type '%s' to a "
"container of type '%s', but the actor has "
"already a parent of type '%s'.",
g_type_name (G_OBJECT_TYPE (actor)),
g_type_name (G_OBJECT_TYPE (container)),
g_type_name (G_OBJECT_TYPE (parent)));
return;
}
clutter_container_create_child_meta (container, actor);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
ClutterContainerIface *iface = CLUTTER_CONTAINER_GET_IFACE (container);
if (iface->add != container_real_add)
_clutter_diagnostic_message ("The ClutterContainer::add() virtual "
"function has been deprecated and it "
"should not be overridden by newly "
"written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
CLUTTER_CONTAINER_GET_IFACE (container)->add (container, actor);
}
static gboolean
master_clock_update_stages (ClutterMasterClockDefault *master_clock,
GSList *stages)
{
gboolean stages_updated = FALSE;
GSList *l;
#ifdef CLUTTER_ENABLE_DEBUG
gint64 start = g_get_monotonic_time ();
#endif
_clutter_run_repaint_functions (CLUTTER_REPAINT_FLAGS_PRE_PAINT);
/* Update any stage that needs redraw/relayout after the clock
* is advanced.
*/
for (l = stages; l != NULL; l = l->next)
stages_updated |= _clutter_stage_do_update (l->data);
_clutter_run_repaint_functions (CLUTTER_REPAINT_FLAGS_POST_PAINT);
#ifdef CLUTTER_ENABLE_DEBUG
if (_clutter_diagnostic_enabled ())
clutter_warn_if_over_budget (master_clock, start, "Updating the stage");
master_clock->remaining_budget -= (g_get_monotonic_time () - start);
#endif
return stages_updated;
}
/**
* clutter_container_lower_child: (virtual lower)
* @container: a #ClutterContainer
* @actor: the actor to raise
* @sibling: (allow-none): the sibling to lower to, or %NULL to lower
* to the bottom
*
* Lowers @actor to @sibling level, in the depth ordering.
*
* This function calls the #ClutterContainerIface.lower() virtual function,
* which has been deprecated. The default implementation will call
* clutter_actor_set_child_below_sibling().
*
* Since: 0.6
*
* Deprecated: 1.10: Use clutter_actor_set_child_below_sibling() instead.
*/
void
clutter_container_lower_child (ClutterContainer *container,
ClutterActor *actor,
ClutterActor *sibling)
{
ClutterContainerIface *iface;
ClutterActor *self;
g_return_if_fail (CLUTTER_IS_CONTAINER (container));
g_return_if_fail (CLUTTER_IS_ACTOR (actor));
g_return_if_fail (sibling == NULL || CLUTTER_IS_ACTOR (sibling));
if (actor == sibling)
return;
self = CLUTTER_ACTOR (container);
if (clutter_actor_get_parent (actor) != self)
{
g_warning ("Actor of type '%s' is not a child of the container "
"of type '%s'",
g_type_name (G_OBJECT_TYPE (actor)),
g_type_name (G_OBJECT_TYPE (container)));
return;
}
if (sibling != NULL&&
clutter_actor_get_parent (sibling) != self)
{
g_warning ("Actor of type '%s' is not a child of the container "
"of type '%s'",
g_type_name (G_OBJECT_TYPE (sibling)),
g_type_name (G_OBJECT_TYPE (container)));
return;
}
iface = CLUTTER_CONTAINER_GET_IFACE (container);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
if (iface->lower != container_real_lower)
_clutter_diagnostic_message ("The ClutterContainer::lower() "
"virtual function has been deprecated "
"and it should not be overridden by "
"newly written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
iface->lower (container, actor, sibling);
}
/*
* master_clock_advance_timelines:
* @master_clock: a #ClutterMasterClock
*
* Advances all the timelines held by the master clock. This function
* should be called before calling _clutter_stage_do_update() to
* make sure that all the timelines are advanced and the scene is updated.
*/
static void
master_clock_advance_timelines (ClutterMasterClockDefault *master_clock)
{
GSList *timelines, *l;
#ifdef CLUTTER_ENABLE_DEBUG
gint64 start = g_get_monotonic_time ();
#endif
/* we protect ourselves from timelines being removed during
* the advancement by other timelines by copying the list of
* timelines, taking a reference on them, iterating over the
* copied list and then releasing the reference.
*
* we cannot simply take a reference on the timelines and still
* use the list held by the master clock because the do_tick()
* might result in the creation of a new timeline, which gets
* added at the end of the list with no reference increase and
* thus gets disposed at the end of the iteration.
*
* this implies that a newly added timeline will not be advanced
* by this clock iteration, which is perfectly fine since we're
* in its first cycle.
*
* we also cannot steal the master clock timelines list because
* a timeline might be removed as the direct result of do_tick()
* and remove_timeline() would not find the timeline, failing
* and leaving a dangling pointer behind.
*/
timelines = g_slist_copy (master_clock->timelines);
g_slist_foreach (timelines, (GFunc) g_object_ref, NULL);
for (l = timelines; l != NULL; l = l->next)
_clutter_timeline_do_tick (l->data, master_clock->cur_tick / 1000);
g_slist_foreach (timelines, (GFunc) g_object_unref, NULL);
g_slist_free (timelines);
#ifdef CLUTTER_ENABLE_DEBUG
if (_clutter_diagnostic_enabled ())
clutter_warn_if_over_budget (master_clock, start, "Animations");
master_clock->remaining_budget -= (g_get_monotonic_time () - start);
#endif
}
static void
master_clock_process_events (ClutterMasterClockDefault *master_clock,
GSList *stages)
{
GSList *l;
#ifdef CLUTTER_ENABLE_DEBUG
gint64 start = g_get_monotonic_time ();
#endif
/* Process queued events */
for (l = stages; l != NULL; l = l->next)
_clutter_stage_process_queued_events (l->data);
#ifdef CLUTTER_ENABLE_DEBUG
if (_clutter_diagnostic_enabled ())
clutter_warn_if_over_budget (master_clock, start, "Event processing");
master_clock->remaining_budget -= (g_get_monotonic_time () - start);
#endif
}
/**
* clutter_container_sort_depth_order:
* @container: a #ClutterContainer
*
* Sorts a container's children using their depth. This function should not
* be normally used by applications.
*
* Since: 0.6
*
* Deprecated: 1.10: The #ClutterContainerIface.sort_depth_order() virtual
* function should not be used any more; the default implementation in
* #ClutterContainer does not do anything.
*/
void
clutter_container_sort_depth_order (ClutterContainer *container)
{
ClutterContainerIface *iface;
g_return_if_fail (CLUTTER_IS_CONTAINER (container));
iface = CLUTTER_CONTAINER_GET_IFACE (container);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
if (iface->sort_depth_order != container_real_sort_depth_order)
_clutter_diagnostic_message ("The ClutterContainer::sort_depth_order() "
"virtual function has been deprecated "
"and it should not be overridden by "
"newly written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
iface->sort_depth_order (container);
}
static void
clutter_canvas_emit_draw (ClutterCanvas *self)
{
ClutterCanvasPrivate *priv = self->priv;
int real_width, real_height;
cairo_surface_t *surface;
gboolean mapped_buffer;
unsigned char *data;
CoglBuffer *buffer;
int window_scale = 1;
gboolean res;
cairo_t *cr;
g_assert (priv->height > 0 && priv->width > 0);
priv->dirty = TRUE;
if (priv->scale_factor_set)
window_scale = priv->scale_factor;
else
g_object_get (clutter_settings_get_default (),
"window-scaling-factor", &window_scale,
NULL);
real_width = priv->width * window_scale;
real_height = priv->height * window_scale;
CLUTTER_NOTE (MISC, "Creating Cairo surface with size %d x %d (real: %d x %d, scale: %d)",
priv->width, priv->height,
real_width, real_height,
window_scale);
if (priv->buffer == NULL)
{
CoglContext *ctx;
ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
priv->buffer = cogl_bitmap_new_with_size (ctx,
real_width,
real_height,
CLUTTER_CAIRO_FORMAT_ARGB32);
}
buffer = COGL_BUFFER (cogl_bitmap_get_buffer (priv->buffer));
if (buffer == NULL)
return;
cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_DYNAMIC);
data = cogl_buffer_map (buffer,
COGL_BUFFER_ACCESS_READ_WRITE,
COGL_BUFFER_MAP_HINT_DISCARD);
if (data != NULL)
{
int bitmap_stride = cogl_bitmap_get_rowstride (priv->buffer);
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_ARGB32,
real_width,
real_height,
bitmap_stride);
mapped_buffer = TRUE;
}
else
{
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
real_width,
real_height);
mapped_buffer = FALSE;
}
cairo_surface_set_device_scale (surface, window_scale, window_scale);
self->priv->cr = cr = cairo_create (surface);
g_signal_emit (self, canvas_signals[DRAW], 0,
cr, priv->width, priv->height,
&res);
#ifdef CLUTTER_ENABLE_DEBUG
if (_clutter_diagnostic_enabled () && cairo_status (cr))
{
g_warning ("Drawing failed for <ClutterCanvas>[%p]: %s",
self,
cairo_status_to_string (cairo_status (cr)));
}
#endif
self->priv->cr = NULL;
cairo_destroy (cr);
if (mapped_buffer)
cogl_buffer_unmap (buffer);
else
{
int size = cairo_image_surface_get_stride (surface) * priv->height;
cogl_buffer_set_data (buffer,
0,
cairo_image_surface_get_data (surface),
size);
}
cairo_surface_destroy (surface);
}
