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authorStefano Karapetsas <[email protected]>2012-09-06 23:34:12 +0200
committerStefano Karapetsas <[email protected]>2012-09-06 23:34:12 +0200
commit278df62878f2981dea980c5f48e791e047b9d5f1 (patch)
tree3a3bcc3a2360d9fd16adc44821b2343085247858 /libcaja-private/caja-undo-manager.c
parentf426641aacea9d5f7683be776536bc6301c7baef (diff)
downloadcaja-278df62878f2981dea980c5f48e791e047b9d5f1.tar.bz2
caja-278df62878f2981dea980c5f48e791e047b9d5f1.tar.xz
remove old undo code
Diffstat (limited to 'libcaja-private/caja-undo-manager.c')
-rw-r--r--libcaja-private/caja-undo-manager.c320
1 files changed, 0 insertions, 320 deletions
diff --git a/libcaja-private/caja-undo-manager.c b/libcaja-private/caja-undo-manager.c
deleted file mode 100644
index 8f999dd0..00000000
--- a/libcaja-private/caja-undo-manager.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
-
-/* CajaUndoManager - Undo/Redo transaction manager.
- *
- * 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-manager.h>
-#include <libcaja-private/caja-undo-transaction.h>
-
-#include <eel/eel-gtk-macros.h>
-#include <eel/eel-gtk-extensions.h>
-#include <gtk/gtk.h>
-#include "caja-undo-private.h"
-
-struct CajaUndoManagerDetails
-{
- CajaUndoTransaction *transaction;
-
- /* These are used to tell undo from redo. */
- gboolean current_transaction_is_redo;
- gboolean new_transaction_is_redo;
-
- /* These are used only so that we can complain if we get more
- * than one transaction inside undo.
- */
- gboolean undo_in_progress;
- int num_transactions_during_undo;
-};
-
-enum
-{
- CHANGED,
- LAST_SIGNAL
-};
-static guint signals[LAST_SIGNAL];
-
-typedef struct
-{
-#ifdef UIH
- MateComponentUIHandler *handler;
-#endif /* UIH */
- char *path;
- char *no_undo_menu_item_label;
- char *no_undo_menu_item_hint;
-} UndoMenuHandlerConnection;
-
-G_DEFINE_TYPE (CajaUndoManager,
- caja_undo_manager,
- G_TYPE_OBJECT)
-
-static void
-release_transaction (CajaUndoManager *manager)
-{
- CajaUndoTransaction *transaction;
-
- transaction = manager->details->transaction;
- manager->details->transaction = NULL;
- if (transaction != NULL)
- {
- g_object_unref (transaction);
- }
-}
-
-void
-caja_undo_manager_append (CajaUndoManager *manager,
- CajaUndoTransaction *transaction)
-{
- CajaUndoTransaction *duplicate_transaction;
-
- /* Check, complain, and ignore the passed-in transaction if we
- * get more than one within a single undo operation. The single
- * transaction we get during the undo operation is supposed to
- * be the one for redoing the undo (or re-undoing the redo).
- */
- if (manager->details->undo_in_progress)
- {
- manager->details->num_transactions_during_undo += 1;
- g_return_if_fail (manager->details->num_transactions_during_undo == 1);
- }
-
- g_return_if_fail (transaction != NULL);
-
- /* Keep a copy of this transaction (dump the old one). */
- duplicate_transaction = g_object_ref (transaction);
- release_transaction (manager);
- manager->details->transaction = duplicate_transaction;
- manager->details->current_transaction_is_redo =
- manager->details->new_transaction_is_redo;
-
- /* Fire off signal indicating that the undo state has changed. */
- g_signal_emit (manager, signals[CHANGED], 0);
-}
-
-void
-caja_undo_manager_forget (CajaUndoManager *manager,
- CajaUndoTransaction *transaction)
-{
- /* Nothing to forget unless the item we are passed is the
- * transaction we are currently holding.
- */
- if (transaction != manager->details->transaction)
- {
- return;
- }
-
- /* Get rid of the transaction we are holding on to. */
- release_transaction (manager);
-
- /* Fire off signal indicating that the undo state has changed. */
- g_signal_emit (manager, signals[CHANGED], 0);
-}
-
-CajaUndoManager *
-caja_undo_manager_new (void)
-{
- return CAJA_UNDO_MANAGER (g_object_new (caja_undo_manager_get_type (), NULL));
-}
-
-static void
-caja_undo_manager_init (CajaUndoManager *manager)
-{
- manager->details = g_new0 (CajaUndoManagerDetails, 1);
-}
-
-void
-caja_undo_manager_undo (CajaUndoManager *manager)
-{
- CajaUndoTransaction *transaction;
-
- g_return_if_fail (CAJA_IS_UNDO_MANAGER (manager));
-
- transaction = manager->details->transaction;
- manager->details->transaction = NULL;
- if (transaction != NULL)
- {
- /* Perform the undo. New transactions that come in
- * during an undo are redo transactions. New
- * transactions that come in during a redo are undo
- * transactions. Transactions that come in outside
- * are always undo and never redo.
- */
- manager->details->new_transaction_is_redo =
- !manager->details->current_transaction_is_redo;
- manager->details->undo_in_progress = TRUE;
- manager->details->num_transactions_during_undo = 0;
- caja_undo_transaction_undo (transaction);
- manager->details->undo_in_progress = FALSE;
- manager->details->new_transaction_is_redo = FALSE;
-
- /* Let go of the transaction. */
- g_object_unref (transaction);
-
- /* Fire off signal indicating the undo state has changed. */
- g_signal_emit (manager, signals[CHANGED], 0);
- }
-}
-
-static void
-finalize (GObject *object)
-{
- CajaUndoManager *manager;
-
- manager = CAJA_UNDO_MANAGER (object);
-
- release_transaction (manager);
-
- g_free (manager->details);
-
- if (G_OBJECT_CLASS (caja_undo_manager_parent_class)->finalize)
- {
- (* G_OBJECT_CLASS (caja_undo_manager_parent_class)->finalize) (object);
- }
-}
-
-void
-caja_undo_manager_attach (CajaUndoManager *manager, GObject *target)
-{
- g_return_if_fail (CAJA_IS_UNDO_MANAGER (manager));
- g_return_if_fail (G_IS_OBJECT (target));
-
- caja_undo_attach_undo_manager (G_OBJECT (target), manager);
-}
-
-#ifdef UIH
-static void
-update_undo_menu_item (CajaUndoManager *manager,
- UndoMenuHandlerConnection *connection)
-{
- CORBA_Environment ev;
- Caja_Undo_MenuItem *menu_item;
-
- g_assert (CAJA_IS_UNDO_MANAGER (manager));
- g_assert (connection != NULL);
- g_assert (MATECOMPONENT_IS_UI_HANDLER (connection->handler));
- g_assert (connection->path != NULL);
- g_assert (connection->no_undo_menu_item_label != NULL);
- g_assert (connection->no_undo_menu_item_hint != NULL);
-
- CORBA_exception_init (&ev);
-
- if (CORBA_Object_is_nil (manager->details->transaction, &ev))
- {
- menu_item = NULL;
- }
- else
- {
- if (manager->details->current_transaction_is_redo)
- {
- menu_item = Caja_Undo_Transaction__get_redo_menu_item
- (manager->details->transaction, &ev);
- }
- else
- {
- menu_item = Caja_Undo_Transaction__get_undo_menu_item
- (manager->details->transaction, &ev);
- }
- }
-
- matecomponent_ui_handler_menu_set_sensitivity
- (connection->handler, connection->path,
- menu_item != NULL);
- matecomponent_ui_handler_menu_set_label
- (connection->handler, connection->path,
- menu_item == NULL
- ? connection->no_undo_menu_item_label
- : menu_item->label);
- matecomponent_ui_handler_menu_set_hint
- (connection->handler, connection->path,
- menu_item == NULL
- ? connection->no_undo_menu_item_hint
- : menu_item->hint);
-
- CORBA_free (menu_item);
-
- CORBA_exception_free (&ev);
-}
-
-static void
-undo_menu_handler_connection_free (UndoMenuHandlerConnection *connection)
-{
- g_assert (connection != NULL);
- g_assert (MATECOMPONENT_IS_UI_HANDLER (connection->handler));
- g_assert (connection->path != NULL);
- g_assert (connection->no_undo_menu_item_label != NULL);
- g_assert (connection->no_undo_menu_item_hint != NULL);
-
- g_free (connection->path);
- g_free (connection->no_undo_menu_item_label);
- g_free (connection->no_undo_menu_item_hint);
- g_free (connection);
-}
-
-static void
-undo_menu_handler_connection_free_cover (gpointer data)
-{
- undo_menu_handler_connection_free (data);
-}
-
-void
-caja_undo_manager_set_up_matecomponent_ui_handler_undo_item (CajaUndoManager *manager,
- MateComponentUIHandler *handler,
- const char *path,
- const char *no_undo_menu_item_label,
- const char *no_undo_menu_item_hint)
-{
- UndoMenuHandlerConnection *connection;
-
- connection = g_new (UndoMenuHandlerConnection, 1);
- connection->handler = handler;
- connection->path = g_strdup (path);
- connection->no_undo_menu_item_label = g_strdup (no_undo_menu_item_label);
- connection->no_undo_menu_item_hint = g_strdup (no_undo_menu_item_hint);
-
- /* Set initial state of menu item. */
- update_undo_menu_item (manager, connection);
-
- /* Update it again whenever the changed signal is emitted. */
- eel_gtk_signal_connect_full_while_alive
- (GTK_OBJECT (manager), "changed",
- G_CALLBACK (update_undo_menu_item), NULL,
- connection, undo_menu_handler_connection_free_cover,
- FALSE, FALSE,
- GTK_OBJECT (handler));
-}
-#endif /* UIH */
-
-static void
-caja_undo_manager_class_init (CajaUndoManagerClass *class)
-{
- G_OBJECT_CLASS (class)->finalize = finalize;
-
- signals[CHANGED] = g_signal_new
- ("changed",
- G_TYPE_FROM_CLASS (class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (CajaUndoManagerClass,
- changed),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-}