/**
* gtk_size_group_remove_widget:
* @size_group: a #GtkSizeGroup
* @widget: the #GtkWidget to remove
*
* Removes a widget from a #GtkSizeGroup.
**/
void
gtk_size_group_remove_widget (GtkSizeGroup *size_group,
GtkWidget *widget)
{
GtkSizeGroupPrivate *priv;
g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
g_return_if_fail (GTK_IS_WIDGET (widget));
priv = size_group->priv;
g_return_if_fail (g_slist_find (priv->widgets, widget));
g_signal_handlers_disconnect_by_func (widget,
gtk_size_group_widget_destroyed,
size_group);
_gtk_widget_remove_sizegroup (widget, size_group);
priv->widgets = g_slist_remove (priv->widgets, widget);
queue_resize_on_group (size_group);
gtk_widget_queue_resize (widget);
g_object_unref (size_group);
}
/**
* gtk_size_group_add_widget:
* @size_group: a #GtkSizeGroup
* @widget: the #GtkWidget to add
*
* Adds a widget to a #GtkSizeGroup. In the future, the requisition
* of the widget will be determined as the maximum of its requisition
* and the requisition of the other widgets in the size group.
* Whether this applies horizontally, vertically, or in both directions
* depends on the mode of the size group. See gtk_size_group_set_mode().
*
* When the widget is destroyed or no longer referenced elsewhere, it will
* be removed from the size group.
*/
void
gtk_size_group_add_widget (GtkSizeGroup *size_group,
GtkWidget *widget)
{
GtkSizeGroupPrivate *priv;
GSList *groups;
g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
g_return_if_fail (GTK_IS_WIDGET (widget));
priv = size_group->priv;
groups = _gtk_widget_get_sizegroups (widget);
if (!g_slist_find (groups, size_group))
{
_gtk_widget_add_sizegroup (widget, size_group);
priv->widgets = g_slist_prepend (priv->widgets, widget);
g_signal_connect (widget, "destroy",
G_CALLBACK (gtk_size_group_widget_destroyed),
size_group);
g_object_ref (size_group);
}
queue_resize_on_group (size_group);
}
/**
* gtk_size_group_set_mode:
* @size_group: a #GtkSizeGroup
* @mode: the mode to set for the size group.
*
* Sets the #GtkSizeGroupMode of the size group. The mode of the size
* group determines whether the widgets in the size group should
* all have the same horizontal requisition (%GTK_SIZE_GROUP_MODE_HORIZONTAL)
* all have the same vertical requisition (%GTK_SIZE_GROUP_MODE_VERTICAL),
* or should all have the same requisition in both directions
* (%GTK_SIZE_GROUP_MODE_BOTH).
**/
void
gtk_size_group_set_mode (GtkSizeGroup *size_group,
GtkSizeGroupMode mode)
{
g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
if (size_group->mode != mode)
{
if (size_group->mode != GTK_SIZE_GROUP_NONE)
queue_resize_on_group (size_group);
size_group->mode = mode;
if (size_group->mode != GTK_SIZE_GROUP_NONE)
queue_resize_on_group (size_group);
g_object_notify (G_OBJECT (size_group), "mode");
}
}
/**
* gtk_size_group_remove_widget:
* @size_group: a #GtkSizeGrup
* @widget: the #GtkWidget to remove
*
* Removes a widget from a #GtkSizeGroup.
**/
void
gtk_size_group_remove_widget (GtkSizeGroup *size_group,
GtkWidget *widget)
{
GSList *groups;
g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (g_slist_find (size_group->widgets, widget));
g_signal_handlers_disconnect_by_func (widget,
gtk_size_group_widget_destroyed,
size_group);
groups = get_size_groups (widget);
groups = g_slist_remove (groups, size_group);
set_size_groups (widget, groups);
size_group->widgets = g_slist_remove (size_group->widgets, widget);
queue_resize_on_group (size_group);
gtk_widget_queue_resize (widget);
g_object_unref (size_group);
}
