gboolean
gimp_pdb_item_is_modifyable (GimpItem *item,
GimpPDBItemModify modify,
GError **error)
{
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if ((modify & GIMP_PDB_ITEM_CONTENT) && gimp_item_is_content_locked (item))
{
g_set_error (error, GIMP_PDB_ERROR, GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Item '%s' (%d) cannot be modified because its "
"contents are locked"),
gimp_object_get_name (item),
gimp_item_get_ID (item));
return FALSE;
}
if ((modify & GIMP_PDB_ITEM_POSITION) && gimp_item_is_position_locked (item))
{
g_set_error (error, GIMP_PDB_ERROR, GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Item '%s' (%d) cannot be modified because its "
"position and size are locked"),
gimp_object_get_name (item),
gimp_item_get_ID (item));
return FALSE;
}
return TRUE;
}
static gboolean
gimp_layer_mask_is_position_locked (const GimpItem *item)
{
GimpLayerMask *mask = GIMP_LAYER_MASK (item);
GimpLayer *layer = gimp_layer_mask_get_layer (mask);
if (layer)
return gimp_item_is_position_locked (GIMP_ITEM (layer));
return FALSE;
}
gboolean
gimp_item_linked_is_locked (const GimpItem *item)
{
GList *list;
GList *l;
gboolean locked = FALSE;
g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
g_return_val_if_fail (gimp_item_get_linked (item) == TRUE, FALSE);
g_return_val_if_fail (gimp_item_is_attached (item), FALSE);
list = gimp_image_item_list_get_list (gimp_item_get_image (item), item,
GIMP_ITEM_TYPE_ALL,
GIMP_ITEM_SET_LINKED);
list = gimp_image_item_list_filter (item, list, TRUE, FALSE);
for (l = list; l && ! locked; l = g_list_next (l))
{
GimpItem *item = l->data;
/* temporarily set the item to not being linked, or we will
* run into a recursion because gimp_item_is_position_locked()
* call this function if the item is linked
*/
gimp_item_set_linked (item, FALSE, FALSE);
if (gimp_item_is_position_locked (item))
locked = TRUE;
gimp_item_set_linked (item, TRUE, FALSE);
}
g_list_free (list);
return locked;
}
