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table-layout: Override compute_expand()

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The TableLayout has two expansion flags that need to be taken into
consideration when computing the Actor expansion flags.
This commit is contained in:
Emmanuele Bassi 2011-12-20 18:42:53 +00:00 committed by Emmanuele Bassi
parent 5f79f6ee37
commit 72b523c9e9
1 changed files with 48 additions and 8 deletions
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44
clutter/clutter-table-layout.c
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@ -433,6 +433,8 @@ table_child_set_expand (ClutterTableChild *self,
else
clutter_layout_manager_layout_changed (layout);
clutter_actor_queue_compute_expand (CLUTTER_CHILD_META (self)->actor);
if (x_changed)
g_object_notify (G_OBJECT (self), "x-expand");
@ -764,7 +766,10 @@ calculate_col_widths (ClutterTableLayout *self,
/* reset the visibility of all columns */
priv->visible_cols = 0;
for (i = 0; i < priv->n_cols; i++)
{
columns[i].expand = FALSE;
columns[i].visible = FALSE;
}
actor = CLUTTER_ACTOR (container);
@ -800,7 +805,10 @@ calculate_col_widths (ClutterTableLayout *self,
col->min_size = MAX (col->min_size, c_min);
col->pref_size = MAX (col->pref_size, c_pref);
col->expand = MAX (col->expand, meta->x_expand);
col->expand = MAX (col->expand,
MAX (meta->x_expand,
clutter_actor_needs_x_expand (child)));
}
/* STAGE TWO: take spanning children into account */
@ -1033,7 +1041,10 @@ calculate_row_heights (ClutterTableLayout *self,
/* reset the visibility of all rows */
priv->visible_rows = 0;
for (i = 0; i < priv->n_rows; i++)
{
rows[i].expand = FALSE;
rows[i].visible = FALSE;
}
actor = CLUTTER_ACTOR (container);
@ -1070,7 +1081,10 @@ calculate_row_heights (ClutterTableLayout *self,
row->min_size = MAX (row->min_size, c_min);
row->pref_size = MAX (row->pref_size, c_pref);
row->expand = MAX (row->expand, meta->y_expand);
row->expand = MAX (row->expand,
MAX (meta->y_expand,
clutter_actor_needs_y_expand (child)));
}
/* STAGE TWO: take spanning children into account */
@ -1616,6 +1630,31 @@ clutter_table_layout_end_animation (ClutterLayoutManager *manager)
parent_class->end_animation (manager);
}
static void
clutter_table_layout_compute_expand (ClutterLayoutManager *manager,
ClutterContainer *container,
ClutterActor *actor,
gboolean *x_expand_p,
gboolean *y_expand_p)
{
ClutterLayoutMeta *meta;
meta = clutter_layout_manager_get_child_meta (manager, container, actor);
if (x_expand_p != NULL)
*x_expand_p = CLUTTER_TABLE_CHILD (meta)->x_expand ||
clutter_actor_needs_x_expand (actor);
if (y_expand_p != NULL)
*y_expand_p = CLUTTER_TABLE_CHILD (meta)->y_expand ||
clutter_actor_needs_y_expand (actor);
g_debug ("Computing expand for '%s': x:%s, y:%s",
G_OBJECT_TYPE_NAME (actor),
x_expand_p != NULL ? (*x_expand_p ? "Y" : "N") : "N",
y_expand_p != NULL ? (*y_expand_p ? "Y" : "N") : "N");
}
static void
clutter_table_layout_set_property (GObject *gobject,
guint prop_id,
@ -1722,6 +1761,7 @@ clutter_table_layout_class_init (ClutterTableLayoutClass *klass)
clutter_table_layout_get_child_meta_type;
layout_class->begin_animation = clutter_table_layout_begin_animation;
layout_class->end_animation = clutter_table_layout_end_animation;
layout_class->compute_expand = clutter_table_layout_compute_expand;
g_type_class_add_private (klass, sizeof (ClutterTableLayoutPrivate));