mirror of
https://gitlab.gnome.org/GNOME/nautilus
synced 2024-08-24 18:25:50 +00:00
![Alexander Larsson](/assets/img/avatar_default.png)
2008-10-01 Alexander Larsson <alexl@redhat.com> * configure.in: Remove direct deps on bonobo, bonobo-activation, orbit2, startup-notification Add dependency on libunique * src/Makefile.am: * src/nautilus-shell-interface.idl: * src/nautilus-shell.[ch]: Remove NautilusShell * src/nautilus-application.[ch]: Make NautilusApplication a normal GObject Remove NautilusShell use. Implement unique application functionallity using libunique Remove manual startup notification handling (mostly handled by libunique) * src/nautilus-main.c: Remove bonobo initialization Remove manual startup notification handling Move command line arg to uri parsing here Remove weird idle handling now that we don't use bonobo anymore * libnautilus-private/nautilus-undo-manager.c: * libnautilus-private/nautilus-undo-manager.h: * libnautilus-private/nautilus-undo.c: * src/nautilus-window-private.h: Remove all leftover spurious use of bonobo * src/nautilus-window-slot.h: * src/nautilus-desktop-window.c: * src/nautilus-location-dialog.c: * src/nautilus-window-bookmarks.c: Add required includes of gi18n.h svn path=/trunk/; revision=14677
307 lines
8.7 KiB
C
307 lines
8.7 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
|
|
|
|
/* NautilusUndoManager - Undo/Redo transaction manager.
|
|
*
|
|
* Copyright (C) 2000 Eazel, Inc.
|
|
*
|
|
* Author: Gene Z. Ragan <gzr@eazel.com>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <libnautilus-private/nautilus-undo-manager.h>
|
|
#include <libnautilus-private/nautilus-undo-transaction.h>
|
|
|
|
#include <eel/eel-gtk-macros.h>
|
|
#include <eel/eel-gtk-extensions.h>
|
|
#include <gtk/gtk.h>
|
|
#include "nautilus-undo-private.h"
|
|
|
|
struct NautilusUndoManagerDetails {
|
|
NautilusUndoTransaction *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
|
|
BonoboUIHandler *handler;
|
|
#endif /* UIH */
|
|
char *path;
|
|
char *no_undo_menu_item_label;
|
|
char *no_undo_menu_item_hint;
|
|
} UndoMenuHandlerConnection;
|
|
|
|
G_DEFINE_TYPE (NautilusUndoManager,
|
|
nautilus_undo_manager,
|
|
G_TYPE_OBJECT)
|
|
|
|
static void
|
|
release_transaction (NautilusUndoManager *manager)
|
|
{
|
|
NautilusUndoTransaction *transaction;
|
|
|
|
transaction = manager->details->transaction;
|
|
manager->details->transaction = NULL;
|
|
if (transaction != NULL) {
|
|
g_object_unref (transaction);
|
|
}
|
|
}
|
|
|
|
void
|
|
nautilus_undo_manager_append (NautilusUndoManager *manager,
|
|
NautilusUndoTransaction *transaction)
|
|
{
|
|
NautilusUndoTransaction *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
|
|
nautilus_undo_manager_forget (NautilusUndoManager *manager,
|
|
NautilusUndoTransaction *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);
|
|
}
|
|
|
|
NautilusUndoManager *
|
|
nautilus_undo_manager_new (void)
|
|
{
|
|
return NAUTILUS_UNDO_MANAGER (g_object_new (nautilus_undo_manager_get_type (), NULL));
|
|
}
|
|
|
|
static void
|
|
nautilus_undo_manager_init (NautilusUndoManager *manager)
|
|
{
|
|
manager->details = g_new0 (NautilusUndoManagerDetails, 1);
|
|
}
|
|
|
|
void
|
|
nautilus_undo_manager_undo (NautilusUndoManager *manager)
|
|
{
|
|
NautilusUndoTransaction *transaction;
|
|
|
|
g_return_if_fail (NAUTILUS_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;
|
|
nautilus_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)
|
|
{
|
|
NautilusUndoManager *manager;
|
|
|
|
manager = NAUTILUS_UNDO_MANAGER (object);
|
|
|
|
release_transaction (manager);
|
|
|
|
g_free (manager->details);
|
|
|
|
if (G_OBJECT_CLASS (nautilus_undo_manager_parent_class)->finalize) {
|
|
(* G_OBJECT_CLASS (nautilus_undo_manager_parent_class)->finalize) (object);
|
|
}
|
|
}
|
|
|
|
void
|
|
nautilus_undo_manager_attach (NautilusUndoManager *manager, GObject *target)
|
|
{
|
|
g_return_if_fail (NAUTILUS_IS_UNDO_MANAGER (manager));
|
|
g_return_if_fail (G_IS_OBJECT (target));
|
|
|
|
nautilus_undo_attach_undo_manager (G_OBJECT (target), manager);
|
|
}
|
|
|
|
#ifdef UIH
|
|
static void
|
|
update_undo_menu_item (NautilusUndoManager *manager,
|
|
UndoMenuHandlerConnection *connection)
|
|
{
|
|
CORBA_Environment ev;
|
|
Nautilus_Undo_MenuItem *menu_item;
|
|
|
|
g_assert (NAUTILUS_IS_UNDO_MANAGER (manager));
|
|
g_assert (connection != NULL);
|
|
g_assert (BONOBO_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 = Nautilus_Undo_Transaction__get_redo_menu_item
|
|
(manager->details->transaction, &ev);
|
|
} else {
|
|
menu_item = Nautilus_Undo_Transaction__get_undo_menu_item
|
|
(manager->details->transaction, &ev);
|
|
}
|
|
}
|
|
|
|
bonobo_ui_handler_menu_set_sensitivity
|
|
(connection->handler, connection->path,
|
|
menu_item != NULL);
|
|
bonobo_ui_handler_menu_set_label
|
|
(connection->handler, connection->path,
|
|
menu_item == NULL
|
|
? connection->no_undo_menu_item_label
|
|
: menu_item->label);
|
|
bonobo_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 (BONOBO_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
|
|
nautilus_undo_manager_set_up_bonobo_ui_handler_undo_item (NautilusUndoManager *manager,
|
|
BonoboUIHandler *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
|
|
nautilus_undo_manager_class_init (NautilusUndoManagerClass *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 (NautilusUndoManagerClass,
|
|
changed),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
}
|