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box: Refactor CSS node handling

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Only update the node that changed, don't invalidate everything.
This commit is contained in:
Benjamin Otte 2015-11-09 01:29:56 +01:00
parent bed3ff2737
commit a7816909ef
1 changed files with 34 additions and 35 deletions
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69
gtk/gtkbox.c
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@ -1437,47 +1437,47 @@ gtk_box_buildable_init (GtkBuildableIface *iface)
iface->add_child = gtk_box_buildable_add_child;
}
typedef struct {
GtkCssNode *parent;
GtkCssNode *previous;
gboolean reverse;
} InvalidateOrderData;
static void
gtk_box_invalidate_order_foreach (GtkWidget *widget,
gpointer datap)
gtk_box_update_child_css_position (GtkBox *box,
GtkBoxChild *child_info)
{
InvalidateOrderData *data = datap;
GtkCssNode *cur = gtk_widget_get_css_node (widget);
GtkBoxPrivate *priv = box->priv;
GtkBoxChild *prev;
gboolean reverse;
GList *l;
if (data->reverse)
gtk_css_node_insert_before (data->parent, cur, data->previous);
prev = NULL;
for (l = priv->children; l->data != child_info; l = l->next)
{
GtkBoxChild *cur = l->data;
if (cur->pack == child_info->pack)
prev = cur;
}
reverse = child_info->pack == GTK_PACK_END;
if (box->priv->orientation == GTK_ORIENTATION_HORIZONTAL &&
gtk_widget_get_direction (GTK_WIDGET (box)) == GTK_TEXT_DIR_RTL)
reverse = !reverse;
if (reverse)
gtk_css_node_insert_before (gtk_widget_get_css_node (GTK_WIDGET (box)),
gtk_widget_get_css_node (child_info->widget),
prev ? gtk_widget_get_css_node (prev->widget) : NULL);
else
gtk_css_node_insert_after (data->parent, cur, data->previous);
data->previous = cur;
}
static void
gtk_box_invalidate_order (GtkBox *box)
{
InvalidateOrderData data;
data.parent = gtk_widget_get_css_node (GTK_WIDGET (box));
data.previous = NULL;
data.reverse = box->priv->orientation == GTK_ORIENTATION_HORIZONTAL
&& gtk_widget_get_direction (GTK_WIDGET (box)) == GTK_TEXT_DIR_RTL;
gtk_container_foreach (GTK_CONTAINER (box),
gtk_box_invalidate_order_foreach,
&data);
gtk_css_node_insert_after (gtk_widget_get_css_node (GTK_WIDGET (box)),
gtk_widget_get_css_node (child_info->widget),
prev ? gtk_widget_get_css_node (prev->widget) : NULL);
}
static void
gtk_box_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction)
{
gtk_box_invalidate_order (GTK_BOX (widget));
GtkBox *box = GTK_BOX (widget);
if (box->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
gtk_css_node_reverse_children (gtk_widget_get_css_node (widget));
}
static GtkBoxChild *
@ -1504,11 +1504,11 @@ gtk_box_pack (GtkBox *box,
child_info->pack = pack_type;
private->children = g_list_append (private->children, child_info);
gtk_box_update_child_css_position (box, child_info);
gtk_widget_freeze_child_notify (child);
gtk_widget_set_parent (child, GTK_WIDGET (box));
gtk_box_invalidate_order (box);
gtk_container_child_notify_by_pspec (container, child, child_props[CHILD_PROP_EXPAND]);
gtk_container_child_notify_by_pspec (container, child, child_props[CHILD_PROP_FILL]);
@ -2337,12 +2337,12 @@ gtk_box_reorder_child (GtkBox *box,
new_link = g_list_nth (priv->children, position);
priv->children = g_list_insert_before (priv->children, new_link, child_info);
gtk_box_update_child_css_position (box, child_info);
gtk_container_child_notify_by_pspec (GTK_CONTAINER (box), child, child_props[CHILD_PROP_POSITION]);
if (_gtk_widget_get_visible (child) &&
_gtk_widget_get_visible (GTK_WIDGET (box)))
{
gtk_box_invalidate_order (box);
gtk_widget_queue_resize (child);
}
}
@ -2466,8 +2466,8 @@ gtk_box_set_child_packing (GtkBox *box,
if (child_info->pack != pack_type)
{
child_info->pack = pack_type;
gtk_box_update_child_css_position (box, child_info);
gtk_container_child_notify_by_pspec (GTK_CONTAINER (box), child, child_props[CHILD_PROP_PACK_TYPE]);
gtk_box_invalidate_order (box);
}
if (_gtk_widget_get_visible (child) &&
@ -2534,7 +2534,6 @@ gtk_box_remove (GtkContainer *container,
*/
if (was_visible)
{
gtk_box_invalidate_order (box);
gtk_widget_queue_resize (GTK_WIDGET (container));
}