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-rw-r--r--libcaja-private/caja-undo-transaction.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/libcaja-private/caja-undo-transaction.c b/libcaja-private/caja-undo-transaction.c
deleted file mode 100644
index ad34bd93..00000000
--- a/libcaja-private/caja-undo-transaction.c
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@@ -1,343 +0,0 @@
-/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
-
-/* CajaUndoTransaction - An object for an undoable transaction.
- * Used internally by undo machinery.
- * Not public.
- *
- * Copyright (C) 2000 Eazel, Inc.
- *
- * Author: Gene Z. Ragan <[email protected]>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include <config.h>
-#include <libcaja-private/caja-undo.h>
-#include <libcaja-private/caja-undo-manager.h>
-#include <libcaja-private/caja-undo-transaction.h>
-
-#include "caja-undo-private.h"
-#include <gtk/gtk.h>
-
-#define CAJA_UNDO_TRANSACTION_LIST_DATA "Caja undo transaction list"
-
-/* undo atoms */
-static void undo_atom_list_free (GList *list);
-static void undo_atom_list_undo_and_free (GList *list);
-
-G_DEFINE_TYPE (CajaUndoTransaction, caja_undo_transaction,
- G_TYPE_OBJECT);
-
-#ifdef UIH
-static Caja_Undo_MenuItem *
-impl_Caja_Undo_Transaction__get_undo_menu_item (PortableServer_Servant servant,
- CORBA_Environment *ev)
-{
- CajaUndoTransaction *transaction;
- Caja_Undo_MenuItem *item;
-
- transaction = CAJA_UNDO_TRANSACTION (matecomponent_object_from_servant (servant));
-
- item = Caja_Undo_MenuItem__alloc ();
- item->label = CORBA_string_dup (transaction->undo_menu_item_label);
- item->hint = CORBA_string_dup (transaction->undo_menu_item_hint);
-
- return item;
-}
-
-static Caja_Undo_MenuItem *
-impl_Caja_Undo_Transaction__get_redo_menu_item (PortableServer_Servant servant,
- CORBA_Environment *ev)
-{
- CajaUndoTransaction *transaction;
- Caja_Undo_MenuItem *item;
-
- transaction = CAJA_UNDO_TRANSACTION (matecomponent_object_from_servant (servant));
-
- item = Caja_Undo_MenuItem__alloc ();
- item->label = CORBA_string_dup (transaction->redo_menu_item_label);
- item->hint = CORBA_string_dup (transaction->redo_menu_item_hint);
-
- return item;
-}
-
-static CORBA_char *
-impl_Caja_Undo_Transaction__get_operation_name (PortableServer_Servant servant,
- CORBA_Environment *ev)
-{
- CajaUndoTransaction *transaction;
-
- transaction = CAJA_UNDO_TRANSACTION (matecomponent_object_from_servant (servant));
- return CORBA_string_dup (transaction->operation_name);
-}
-#endif
-
-
-CajaUndoTransaction *
-caja_undo_transaction_new (const char *operation_name,
- const char *undo_menu_item_label,
- const char *undo_menu_item_hint,
- const char *redo_menu_item_label,
- const char *redo_menu_item_hint)
-{
- CajaUndoTransaction *transaction;
-
- transaction = CAJA_UNDO_TRANSACTION (g_object_new (caja_undo_transaction_get_type (), NULL));
-
- transaction->operation_name = g_strdup (operation_name);
- transaction->undo_menu_item_label = g_strdup (undo_menu_item_label);
- transaction->undo_menu_item_hint = g_strdup (undo_menu_item_hint);
- transaction->redo_menu_item_label = g_strdup (redo_menu_item_label);
- transaction->redo_menu_item_hint = g_strdup (redo_menu_item_hint);
-
- return transaction;
-}
-
-static void
-caja_undo_transaction_init (CajaUndoTransaction *transaction)
-{
-}
-
-static void
-remove_transaction_from_object (gpointer list_data, gpointer callback_data)
-{
- CajaUndoAtom *atom;
- CajaUndoTransaction *transaction;
- GList *list;
-
- g_assert (list_data != NULL);
- atom = list_data;
- transaction = CAJA_UNDO_TRANSACTION (callback_data);
-
- /* Remove the transaction from the list on the atom. */
- list = g_object_get_data (atom->target, CAJA_UNDO_TRANSACTION_LIST_DATA);
-
- if (list != NULL)
- {
- list = g_list_remove (list, transaction);
- g_object_set_data (atom->target, CAJA_UNDO_TRANSACTION_LIST_DATA, list);
- }
-}
-
-static void
-remove_transaction_from_atom_targets (CajaUndoTransaction *transaction)
-{
-
- g_list_foreach (transaction->atom_list,
- remove_transaction_from_object,
- transaction);
-}
-
-static void
-caja_undo_transaction_finalize (GObject *object)
-{
- CajaUndoTransaction *transaction;
-
- transaction = CAJA_UNDO_TRANSACTION (object);
-
- remove_transaction_from_atom_targets (transaction);
- undo_atom_list_free (transaction->atom_list);
-
- g_free (transaction->operation_name);
- g_free (transaction->undo_menu_item_label);
- g_free (transaction->undo_menu_item_hint);
- g_free (transaction->redo_menu_item_label);
- g_free (transaction->redo_menu_item_hint);
-
- if (transaction->owner != NULL)
- {
- g_object_unref (transaction->owner);
- }
-
- G_OBJECT_CLASS (caja_undo_transaction_parent_class)->finalize (object);
-}
-
-void
-caja_undo_transaction_add_atom (CajaUndoTransaction *transaction,
- const CajaUndoAtom *atom)
-{
- GList *list;
-
- g_return_if_fail (CAJA_IS_UNDO_TRANSACTION (transaction));
- g_return_if_fail (atom != NULL);
- g_return_if_fail (GTK_IS_OBJECT (atom->target));
-
- /* Add the atom to the atom list in the transaction. */
- transaction->atom_list = g_list_append
- (transaction->atom_list, g_memdup (atom, sizeof (*atom)));
-
- /* Add the transaction to the list on the atoms target object. */
- list = g_object_get_data (atom->target, CAJA_UNDO_TRANSACTION_LIST_DATA);
- if (g_list_find (list, transaction) != NULL)
- {
- return;
- }
-
- /* If it's not already on that atom, this object is new. */
- list = g_list_prepend (list, transaction);
- g_object_set_data (atom->target, CAJA_UNDO_TRANSACTION_LIST_DATA, list);
-
- /* Connect a signal handler to the atom so it will unregister
- * itself when it's destroyed.
- */
- g_signal_connect (atom->target, "destroy",
- G_CALLBACK (caja_undo_transaction_unregister_object),
- NULL);
-}
-
-void
-caja_undo_transaction_undo (CajaUndoTransaction *transaction)
-{
- g_return_if_fail (CAJA_IS_UNDO_TRANSACTION (transaction));
-
- remove_transaction_from_atom_targets (transaction);
- undo_atom_list_undo_and_free (transaction->atom_list);
-
- transaction->atom_list = NULL;
-}
-
-void
-caja_undo_transaction_add_to_undo_manager (CajaUndoTransaction *transaction,
- CajaUndoManager *manager)
-{
- g_return_if_fail (CAJA_IS_UNDO_TRANSACTION (transaction));
- g_return_if_fail (transaction->owner == NULL);
-
- if (manager != NULL)
- {
- caja_undo_manager_append (manager, transaction);
- transaction->owner = g_object_ref (manager);
- }
-}
-
-static void
-remove_atoms (CajaUndoTransaction *transaction,
- GObject *object)
-{
- GList *p, *next;
- CajaUndoAtom *atom;
-
- g_assert (CAJA_IS_UNDO_TRANSACTION (transaction));
- g_assert (G_IS_OBJECT (object));
-
- /* Destroy any atoms for this object. */
- for (p = transaction->atom_list; p != NULL; p = next)
- {
- atom = p->data;
- next = p->next;
-
- if (atom->target == object)
- {
- transaction->atom_list = g_list_remove_link
- (transaction->atom_list, p);
- undo_atom_list_free (p);
- }
- }
-
- /* If all the atoms are gone, forget this transaction.
- * This may end up freeing the transaction.
- */
- if (transaction->atom_list == NULL)
- {
- caja_undo_manager_forget (
- transaction->owner, transaction);
- }
-}
-
-static void
-remove_atoms_cover (gpointer list_data, gpointer callback_data)
-{
- if (CAJA_IS_UNDO_TRANSACTION (list_data))
- {
- remove_atoms (CAJA_UNDO_TRANSACTION (list_data), G_OBJECT (callback_data));
- }
-}
-
-void
-caja_undo_transaction_unregister_object (GObject *object)
-{
- GList *list;
-
- g_return_if_fail (G_IS_OBJECT (object));
-
- /* Remove atoms from each transaction on the list. */
- list = g_object_get_data (object, CAJA_UNDO_TRANSACTION_LIST_DATA);
- if (list != NULL)
- {
- g_list_foreach (list, remove_atoms_cover, object);
- g_list_free (list);
- g_object_set_data (object, CAJA_UNDO_TRANSACTION_LIST_DATA, NULL);
- }
-}
-
-static void
-undo_atom_free (CajaUndoAtom *atom)
-{
- /* Call the destroy-notify function if it's present. */
- if (atom->callback_data_destroy_notify != NULL)
- {
- (* atom->callback_data_destroy_notify) (atom->callback_data);
- }
-
- /* Free the atom storage. */
- g_free (atom);
-}
-
-static void
-undo_atom_undo_and_free (CajaUndoAtom *atom)
-{
- /* Call the function that does the actual undo. */
- (* atom->callback) (atom->target, atom->callback_data);
-
- /* Get rid of the atom now that it's spent. */
- undo_atom_free (atom);
-}
-
-static void
-undo_atom_free_cover (gpointer atom, gpointer callback_data)
-{
- g_assert (atom != NULL);
- g_assert (callback_data == NULL);
- undo_atom_free (atom);
-}
-
-static void
-undo_atom_undo_and_free_cover (gpointer atom, gpointer callback_data)
-{
- g_assert (atom != NULL);
- g_assert (callback_data == NULL);
- undo_atom_undo_and_free (atom);
-}
-
-static void
-undo_atom_list_free (GList *list)
-{
- g_list_foreach (list, undo_atom_free_cover, NULL);
- g_list_free (list);
-}
-
-static void
-undo_atom_list_undo_and_free (GList *list)
-{
- g_list_foreach (list, undo_atom_undo_and_free_cover, NULL);
- g_list_free (list);
-}
-
-static void
-caja_undo_transaction_class_init (CajaUndoTransactionClass *klass)
-{
- G_OBJECT_CLASS (klass)->finalize = caja_undo_transaction_finalize;
-}
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