static void
shell_drawing_area_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ShellDrawingArea *area = SHELL_DRAWING_AREA (self);
int width = box->x2 - box->x1;
int height = box->y2 - box->y1;
ClutterActorBox child_box;
/* Chain up directly to ClutterActor to set actor->allocation. We explicitly skip our parent class
* ClutterGroup here because we want to override the allocate function. */
(CLUTTER_ACTOR_CLASS (g_type_class_peek (clutter_actor_get_type ())))->allocate (self, box, flags);
child_box.x1 = 0;
child_box.x2 = width;
child_box.y1 = 0;
child_box.y2 = height;
clutter_actor_allocate (CLUTTER_ACTOR (area->priv->texture), &child_box, flags);
if (width > 0 && height > 0)
{
clutter_cairo_texture_set_surface_size (area->priv->texture,
width, height);
g_signal_emit (G_OBJECT (self), shell_drawing_area_signals[REDRAW], 0,
area->priv->texture);
}
}
static void
shell_overflow_list_pick (ClutterActor *actor,
const ClutterColor *color)
{
ShellOverflowList *self = SHELL_OVERFLOW_LIST (actor);
ShellOverflowListPrivate *priv = self->priv;
GList *children, *iter;
int i;
(CLUTTER_ACTOR_CLASS (g_type_class_peek (clutter_actor_get_type ())))->pick (actor, color);
shell_overflow_list_paint (self);
}
static void
sagarmatha_slicer_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ClutterActor *child;
/* Chain up directly to ClutterActor to set actor->allocation. We explicitly skip our parent class
* StBin here because we want to override the allocate function. */
CLUTTER_ACTOR_CLASS (g_type_class_peek (clutter_actor_get_type ()))->allocate (self, box, flags);
child = st_bin_get_child (ST_BIN (self));
if (child)
clutter_actor_allocate_preferred_size (child, flags);
}
static void
shell_overflow_list_allocate (ClutterActor *actor,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ShellOverflowList *self = SHELL_OVERFLOW_LIST (actor);
ShellOverflowListPrivate *priv = self->priv;
GList *children, *iter;
int n_pages;
int n_children;
int n_fits;
float width;
float curheight;
float avail_height;
gboolean overflow;
/* chain up to set actor->allocation */
(CLUTTER_ACTOR_CLASS (g_type_class_peek (clutter_actor_get_type ())))->allocate (actor, box, flags);
width = box->x2 - box->x1;
curheight = 0;
avail_height = box->y2 - box->y1;
children = clutter_container_get_children (CLUTTER_CONTAINER (self));
n_children = g_list_length (children);
n_fits = 0;
n_pages = 1;
overflow = FALSE;
for (iter = children; iter; iter = iter->next)
{
ClutterActor *actor = CLUTTER_ACTOR (iter->data);
ClutterActorBox child_box;
if ((curheight + priv->item_height) > avail_height)
{
overflow = TRUE;
curheight = 0;
n_pages++;
}
else if (!overflow)
n_fits++;
child_box.x1 = 0;
child_box.x2 = width;
child_box.y1 = curheight;
child_box.y2 = child_box.y1 + priv->item_height;
clutter_actor_allocate (actor, &child_box, flags);
curheight += priv->item_height;
if (iter != children)
curheight += priv->spacing;
}
priv->items_per_page = n_fits;
if (n_pages != priv->n_pages)
{
priv->n_pages = n_pages;
g_object_notify (G_OBJECT (self), "n-pages");
}
g_list_free (children);
}
