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Port remaining layout managers to the new child iteration API

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TableLayout and FlowLayout now use the ClutterActor API for iterating
over the children of an actor.
This commit is contained in:
Emmanuele Bassi
2011-12-18 11:26:29 +00:00
parent 9c9ab42060
commit 7e377b5aee
2 changed files with 82 additions and 60 deletions
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38
clutter/clutter-flow-layout.c
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@ -202,11 +202,11 @@ clutter_flow_layout_get_preferred_width (ClutterLayoutManager *manager,
gfloat *nat_width_p)
{
ClutterFlowLayoutPrivate *priv = CLUTTER_FLOW_LAYOUT (manager)->priv;
GList *l, *children = clutter_container_get_children (container);
gint n_rows, line_item_count, line_count;
gfloat total_min_width, total_natural_width;
gfloat line_min_width, line_natural_width;
gfloat max_min_width, max_natural_width;
ClutterActor *actor, *child;
gfloat item_y;
n_rows = get_rows (CLUTTER_FLOW_LAYOUT (manager), for_height);
@ -222,6 +222,8 @@ clutter_flow_layout_get_preferred_width (ClutterLayoutManager *manager,
item_y = 0;
actor = CLUTTER_ACTOR (container);
/* clear the line width arrays */
if (priv->line_min != NULL)
g_array_free (priv->line_min, TRUE);
@ -236,14 +238,15 @@ clutter_flow_layout_get_preferred_width (ClutterLayoutManager *manager,
sizeof (gfloat),
16);
if (children)
if (clutter_actor_get_n_children (actor) != 0)
line_count = 1;
max_min_width = max_natural_width = 0;
for (l = children; l != NULL; l = l->next)
for (child = clutter_actor_get_first_child (actor);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
ClutterActor *child = l->data;
gfloat child_min, child_natural;
gfloat new_y, item_height;
@ -301,8 +304,6 @@ clutter_flow_layout_get_preferred_width (ClutterLayoutManager *manager,
}
}
g_list_free (children);
priv->col_width = max_natural_width;
if (priv->max_col_width > 0 && priv->col_width > priv->max_col_width)
@ -379,11 +380,11 @@ clutter_flow_layout_get_preferred_height (ClutterLayoutManager *manager,
gfloat *nat_height_p)
{
ClutterFlowLayoutPrivate *priv = CLUTTER_FLOW_LAYOUT (manager)->priv;
GList *l, *children = clutter_container_get_children (container);
gint n_columns, line_item_count, line_count;
gfloat total_min_height, total_natural_height;
gfloat line_min_height, line_natural_height;
gfloat max_min_height, max_natural_height;
ClutterActor *actor, *child;
gfloat item_x;
n_columns = get_columns (CLUTTER_FLOW_LAYOUT (manager), for_width);
@ -399,6 +400,8 @@ clutter_flow_layout_get_preferred_height (ClutterLayoutManager *manager,
item_x = 0;
actor = CLUTTER_ACTOR (container);
/* clear the line height arrays */
if (priv->line_min != NULL)
g_array_free (priv->line_min, TRUE);
@ -413,14 +416,15 @@ clutter_flow_layout_get_preferred_height (ClutterLayoutManager *manager,
sizeof (gfloat),
16);
if (children)
if (clutter_actor_get_n_children (actor) != 0)
line_count = 1;
max_min_height = max_natural_height = 0;
for (l = children; l != NULL; l = l->next)
for (child = clutter_actor_get_first_child (actor);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
ClutterActor *child = l->data;
gfloat child_min, child_natural;
gfloat new_x, item_width;
@ -479,8 +483,6 @@ clutter_flow_layout_get_preferred_height (ClutterLayoutManager *manager,
}
}
g_list_free (children);
priv->row_height = max_natural_height;
if (priv->max_row_height > 0 && priv->row_height > priv->max_row_height)
@ -555,7 +557,7 @@ clutter_flow_layout_allocate (ClutterLayoutManager *manager,
ClutterAllocationFlags flags)
{
ClutterFlowLayoutPrivate *priv = CLUTTER_FLOW_LAYOUT (manager)->priv;
GList *l, *children = clutter_container_get_children (container);
ClutterActor *actor, *child;
gfloat x_off, y_off;
gfloat avail_width, avail_height;
gfloat item_x, item_y;
@ -563,7 +565,8 @@ clutter_flow_layout_allocate (ClutterLayoutManager *manager,
gint items_per_line;
gint line_index;
if (children == NULL)
actor = CLUTTER_ACTOR (container);
if (clutter_actor_get_n_children (actor) == 0)
return;
clutter_actor_box_get_origin (allocation, &x_off, &y_off);
@ -593,9 +596,10 @@ clutter_flow_layout_allocate (ClutterLayoutManager *manager,
line_item_count = 0;
line_index = 0;
for (l = children; l != NULL; l = l->next)
for (child = clutter_actor_get_first_child (actor);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
ClutterActor *child = l->data;
ClutterActorBox child_alloc;
gfloat item_width, item_height;
gfloat new_x, new_y;
@ -703,8 +707,6 @@ clutter_flow_layout_allocate (ClutterLayoutManager *manager,
line_item_count += 1;
}
g_list_free (children);
}
static void