1 files changed, 664 insertions, 0 deletions
diff --git a/caja/caja-open-terminal.c b/caja/caja-open-terminal.c
new file mode 100644
index 0000000..378270a
--- /dev/null
+++ b/caja/caja-open-terminal.c
@@ -0,0 +1,664 @@
+/*
+ * caja-open-terminal.c
+ * 
+ * Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU 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 General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Author: Christian Neumair <[email protected]>
+ * 
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include <config.h> /* for GETTEXT_PACKAGE */
+#endif
+
+#include "caja-open-terminal.h"
+#include "eel-mate-extensions.h"
+
+#include <libcaja-extension/caja-menu-provider.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+#include <mateconf/mateconf.h>
+#include <mateconf/mateconf-client.h>
+#include <libmate/mate-desktop-item.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h> /* for atoi */
+#include <string.h> /* for strcmp */
+#include <unistd.h> /* for chdir */
+#include <sys/stat.h>
+
+static void caja_open_terminal_instance_init (CajaOpenTerminal *cvs);
+static void caja_open_terminal_class_init (CajaOpenTerminalClass *class);
+
+static GType terminal_type = 0;
+
+typedef enum {
+ /* local files. Always open "conventionally", i.e. cd and spawn. */
+ FILE_INFO_LOCAL,
+ FILE_INFO_DESKTOP,
+ /* SFTP: Shell terminals are opened "remote" (i.e. with ssh client),
+ * commands are executed like *_OTHER */
+ FILE_INFO_SFTP,
+ /* OTHER: Terminals and commands are opened by mapping the URI back
+ * to ~/.gvfs, i.e. to the GVFS FUSE bridge
+ */
+ FILE_INFO_OTHER
+} TerminalFileInfo;
+
+static TerminalFileInfo
+get_terminal_file_info (const char *uri)
+{
+ TerminalFileInfo ret;
+ char *uri_scheme;
+
+ uri_scheme = g_uri_parse_scheme (uri);
+
+ if (uri_scheme == NULL) {
+ ret = FILE_INFO_OTHER;
+ } else if (strcmp (uri_scheme, "file") == 0) {
+ ret = FILE_INFO_LOCAL;
+ } else if (strcmp (uri_scheme, "x-caja-desktop") == 0) {
+ ret = FILE_INFO_DESKTOP;
+ } else if (strcmp (uri_scheme, "sftp") == 0 ||
+ strcmp (uri_scheme, "ssh") == 0) {
+ ret = FILE_INFO_SFTP;
+ } else {
+ ret = FILE_INFO_OTHER;
+ }
+
+ g_free (uri_scheme);
+
+ return ret;
+}
+
+static MateConfClient *mateconf_client = NULL;
+
+static inline gboolean
+desktop_opens_home_dir (void)
+{
+ return mateconf_client_get_bool (mateconf_client,
+ "/apps/caja-open-terminal/desktop_opens_home_dir",
+ NULL);
+}
+
+static inline gboolean
+display_mc_item (void)
+{
+ return mateconf_client_get_bool (mateconf_client,
+ "/apps/caja-open-terminal/display_mc_item",
+ NULL);
+}
+
+static inline gboolean
+desktop_is_home_dir ()
+{
+ return mateconf_client_get_bool (mateconf_client,
+ "/apps/caja/preferences/desktop_is_home_dir",
+ NULL);
+}
+
+/* a very simple URI parsing routine from Launchpad #333462, until GLib supports URI parsing (MATE #489862) */
+#define SFTP_PREFIX "sftp://"
+static void
+parse_sftp_uri (GFile *file,
+ char **user,
+ char **host,
+ unsigned int *port,
+ char **path)
+{
+ char *tmp, *save;
+ char *uri;
+
+ uri = g_file_get_uri (file);
+ g_assert (uri != NULL);
+ save = uri;
+
+ *path = NULL;
+ *user = NULL;
+ *host = NULL;
+ *port = 0;
+
+ /* skip intial 'sftp:// prefix */
+ g_assert (!strncmp (uri, SFTP_PREFIX, strlen (SFTP_PREFIX)));
+ uri += strlen (SFTP_PREFIX);
+
+ /* cut out the path */
+ tmp = strchr (uri, '/');
+ if (tmp != NULL) {
+ *path = g_uri_unescape_string (tmp, "/");
+ *tmp = '\0';
+ }
+
+ /* read the username - it ends with @ */
+ tmp = strchr (uri, '@');
+ if (tmp != NULL) {
+ *tmp++ = '\0';
+
+ *user = strdup (uri);
+ if (strchr (*user, ':') != NULL) {
+ /* chop the password */
+ *(strchr (*user, ':')) = '\0'; 
+ }
+
+ uri = tmp;
+ }
+
+ /* now read the port, starts with : */
+ tmp = strchr (uri, ':');
+ if (tmp != NULL) {
+ *tmp++ = '\0';
+ *port = atoi (tmp); /*FIXME: getservbyname*/
+ }
+
+ /* what is left is the host */
+ *host = strdup (uri);
+ g_free (save);
+}
+
+static char *
+get_remote_ssh_command (const char *uri,
+ const char *command_to_run)
+{
+ GFile *file;
+
+ char *host_name, *path, *user_name;
+ char *command, *user_host, *unescaped_path;
+ char *quoted_path;
+ char *remote_command;
+ char *quoted_remote_command;
+ char *port_str;
+ guint host_port;
+
+ g_assert (uri != NULL);
+
+ file = g_file_new_for_uri (uri);
+ parse_sftp_uri (file, &user_name, &host_name, &host_port, &path);
+ g_object_unref (file);
+
+ /* FIXME to we have to consider the remote file encoding? */
+ unescaped_path = g_uri_unescape_string (path, NULL);
+ quoted_path = g_shell_quote (unescaped_path);
+
+ port_str = NULL;
+ if (host_port != 0) {
+ port_str = g_strdup_printf (" -p %d", host_port);
+ } else {
+ port_str = g_strdup ("");
+ }
+
+ if (user_name != NULL) {
+ user_host = g_strdup_printf ("%s@%s", user_name, host_name);
+ } else {
+ user_host = g_strdup (host_name);
+ }
+
+ if (command_to_run != NULL) {
+ remote_command = g_strdup_printf ("cd %s && exec %s", quoted_path, command_to_run);
+ } else {
+ remote_command = g_strdup_printf ("cd %s && exec $SHELL -l", quoted_path);
+ }
+
+ quoted_remote_command = g_shell_quote (remote_command);
+
+ command = g_strdup_printf ("ssh %s%s -t %s", user_host, port_str, quoted_remote_command);
+
+ g_free (user_name);
+ g_free (user_host);
+ g_free (host_name);
+ g_free (port_str);
+
+ g_free (path);
+ g_free (unescaped_path);
+ g_free (quoted_path);
+
+ g_free (remote_command);
+ g_free (quoted_remote_command);
+
+ return command;
+}
+
+static inline char *
+get_gvfs_path_for_uri (const char *uri)
+{
+ GFile *file;
+ char *path;
+
+ file = g_file_new_for_uri (uri);
+ path = g_file_get_path (file);
+ g_object_unref (file);
+
+ return path;
+}
+
+static char *
+get_terminal_command_for_file_info (cajaFileInfo *file_info,
+ const char *command_to_run,
+ gboolean remote_terminal)
+{
+ char *uri, *path, *quoted_path;
+ char *command;
+
+ uri = caja_file_info_get_activation_uri (file_info);
+
+ path = NULL;
+ command = NULL;
+
+ switch (get_terminal_file_info (uri)) {
+ case FILE_INFO_LOCAL:
+ if (uri != NULL) {
+ path = g_filename_from_uri (uri, NULL, NULL);
+ }
+ break;
+
+ case FILE_INFO_DESKTOP:
+ if (desktop_is_home_dir () || desktop_opens_home_dir ()) {
+ path = g_strdup (g_get_home_dir ());
+ } else {
+ path = g_strdup (g_get_user_special_dir (G_USER_DIRECTORY_DESKTOP));
+ }
+ break;
+
+ case FILE_INFO_SFTP:
+ if (remote_terminal && uri != NULL) {
+ command = get_remote_ssh_command (uri, command_to_run);
+ break;
+ }
+
+ /* fall through */
+ case FILE_INFO_OTHER:
+ if (uri != NULL) {
+ /* map back remote URI to local path */
+ path = get_gvfs_path_for_uri (uri);
+ }
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ if (command == NULL && path != NULL) {
+ quoted_path = g_shell_quote (path);
+
+ if (command_to_run != NULL) {
+ command = g_strdup_printf ("cd %s && exec %s", quoted_path, command_to_run);
+ } else {
+ command = g_strdup_printf ("cd %s && exec $SHELL -l", quoted_path);
+ }
+
+ g_free (quoted_path);
+ }
+
+ g_free (path);
+ g_free (uri);
+
+ return command;
+}
+
+
+static void
+open_terminal (cajaMenuItem *item,
+ cajaFileInfo *file_info)
+{
+ char *terminal_command, *command_to_run;
+ GdkScreen *screen;
+ gboolean remote_terminal;
+
+ screen = g_object_get_data (G_OBJECT (item), "CajaOpenTerminal::screen");
+ command_to_run = g_object_get_data (G_OBJECT (item), "CajaOpenTerminal::command-to-run");
+ remote_terminal = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (item), "CajaOpenTerminal::remote-terminal"));
+
+ terminal_command = get_terminal_command_for_file_info (file_info, command_to_run, remote_terminal);
+ if (terminal_command != NULL) {
+ _not_eel_mate_open_terminal_on_screen (terminal_command, screen);
+ }
+ g_free (terminal_command);
+}
+
+static void
+open_terminal_callback (cajaMenuItem *item,
+ cajaFileInfo *file_info)
+{
+ open_terminal (item, file_info);
+}
+
+static cajaMenuItem *
+open_terminal_menu_item_new (cajaFileInfo *file_info,
+ TerminalFileInfo terminal_file_info,
+ GdkScreen *screen,
+ const char *command_to_run,
+ gboolean remote_terminal,
+ gboolean is_file_item)
+{
+ cajaMenuItem *ret;
+ char *action_name;
+ const char *name;
+ const char *tooltip;
+
+ if (command_to_run == NULL) {
+ switch (terminal_file_info) {
+ case FILE_INFO_SFTP:
+ if (remote_terminal) {
+ name = _("Open in _Remote Terminal");
+ } else {
+ name = _("Open in _Local Terminal");
+ }
+
+ if (is_file_item) {
+ tooltip = _("Open the currently selected folder in a terminal");
+ } else {
+ tooltip = _("Open the currently open folder in a terminal");
+ }
+ break;
+
+ case FILE_INFO_LOCAL:
+ case FILE_INFO_OTHER:
+ name = _("Open in T_erminal");
+
+ if (is_file_item) {
+ tooltip = _("Open the currently selected folder in a terminal");
+ } else {
+ tooltip = _("Open the currently open folder in a terminal");
+ }
+ break;
+
+ case FILE_INFO_DESKTOP:
+ if (desktop_opens_home_dir ()) {
+ name = _("Open T_erminal");
+ tooltip = _("Open a terminal");
+ } else {
+ name = _("Open in T_erminal");
+ tooltip = _("Open the currently open folder in a terminal");
+ }
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+ } else if (!strcmp (command_to_run, "mc")) {
+ switch (terminal_file_info) {
+ case FILE_INFO_LOCAL:
+ case FILE_INFO_SFTP:
+ case FILE_INFO_OTHER:
+ name = _("Open in _Midnight Commander");
+ if (is_file_item) {
+ tooltip = _("Open the currently selected folder in the terminal file manager Midnight Commander");
+ } else {
+ tooltip = _("Open the currently open folder in the terminal file manager Midnight Commander");
+ }
+ break;
+
+ case FILE_INFO_DESKTOP:
+ if (desktop_opens_home_dir ()) {
+ name = _("Open _Midnight Commander");
+ tooltip = _("Open the terminal file manager Midnight Commander");
+ } else {
+ name = _("Open in _Midnight Commander");
+ tooltip = _("Open the currently open folder in the terminal file manager Midnight Commander");
+ }
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+ } else {
+ g_assert_not_reached ();
+ }
+
+ if (command_to_run != NULL) {
+ action_name = g_strdup_printf (remote_terminal ?
+ "CajaOpenTerminal::open_remote_terminal_%s" :
+ "CajaOpenTerminal::open_terminal_%s",
+ command_to_run);
+ } else {
+ action_name = g_strdup (remote_terminal ? 
+ "CajaOpenTerminal::open_remote_terminal" :
+ "CajaOpenTerminal::open_terminal");
+ }
+ ret = caja_menu_item_new (action_name, name, tooltip, "utilities-terminal");
+ g_free (action_name);
+
+ g_object_set_data (G_OBJECT (ret),
+ "CajaOpenTerminal::screen",
+ screen);
+ g_object_set_data_full (G_OBJECT (ret), "CajaOpenTerminal::command-to-run",
+ g_strdup (command_to_run),
+ (GDestroyNotify) g_free);
+ g_object_set_data (G_OBJECT (ret), "CajaOpenTerminal::remote-terminal",
+ GUINT_TO_POINTER (remote_terminal));
+
+
+ g_object_set_data_full (G_OBJECT (ret), "file-info",
+ g_object_ref (file_info),
+ (GDestroyNotify) g_object_unref);
+
+
+ g_signal_connect (ret, "activate",
+ G_CALLBACK (open_terminal_callback),
+ file_info);
+
+
+ return ret;
+}
+
+static gboolean
+terminal_locked_down (void)
+{
+ return mateconf_client_get_bool (mateconf_client,
+ "/desktop/mate/lockdown/disable_command_line",
+ NULL);
+}
+
+/* used to determine for remote URIs whether GVFS is capable of mapping them to ~/.gvfs */
+static gboolean
+uri_has_local_path (const char *uri)
+{
+ GFile *file;
+ char *path;
+ gboolean ret;
+
+ file = g_file_new_for_uri (uri);
+ path = g_file_get_path (file);
+
+ ret = (path != NULL);
+
+ g_free (path);
+ g_object_unref (file);
+
+ return ret;
+}
+
+static GList *
+caja_open_terminal_get_background_items (cajaMenuProvider *provider,
+ GtkWidget *window,
+ cajaFileInfo *file_info)
+{
+ gchar *uri;
+ GList *items;
+ cajaMenuItem *item;
+ TerminalFileInfo terminal_file_info;
+
+ if (terminal_locked_down ()) {
+ return NULL;
+ }
+
+ items = NULL;
+
+ uri = caja_file_info_get_activation_uri (file_info);
+ terminal_file_info = get_terminal_file_info (uri);
+
+ if (terminal_file_info == FILE_INFO_SFTP ||
+ terminal_file_info == FILE_INFO_DESKTOP ||
+ uri_has_local_path (uri)) {
+ /* local locations or SSH */
+ item = open_terminal_menu_item_new (file_info, terminal_file_info, gtk_widget_get_screen (window),
+ NULL, terminal_file_info == FILE_INFO_SFTP, FALSE);
+ items = g_list_append (items, item);
+ }
+
+ if ((terminal_file_info == FILE_INFO_SFTP ||
+ terminal_file_info == FILE_INFO_OTHER) &&
+ uri_has_local_path (uri)) {
+ /* remote locations that offer local back-mapping */
+ item = open_terminal_menu_item_new (file_info, terminal_file_info, gtk_widget_get_screen (window),
+ NULL, FALSE, FALSE);
+ items = g_list_append (items, item);
+ }
+
+ if (display_mc_item () &&
+ g_find_program_in_path ("mc") &&
+ ((terminal_file_info == FILE_INFO_DESKTOP &&
+ (desktop_is_home_dir () || desktop_opens_home_dir ())) ||
+ uri_has_local_path (uri))) {
+ item = open_terminal_menu_item_new (file_info, terminal_file_info, gtk_widget_get_screen (window), "mc", FALSE, FALSE);
+ items = g_list_append (items, item);
+ }
+
+ g_free (uri);
+
+ return items;
+}
+
+GList *
+caja_open_terminal_get_file_items (cajaMenuProvider *provider,
+ GtkWidget *window,
+ GList *files)
+{
+ gchar *uri;
+ GList *items;
+ cajaMenuItem *item;
+ TerminalFileInfo terminal_file_info;
+
+ if (terminal_locked_down ()) {
+ return NULL;
+ }
+
+ if (g_list_length (files) != 1 ||
+ (!caja_file_info_is_directory (files->data) &&
+ caja_file_info_get_file_type (files->data) != G_FILE_TYPE_SHORTCUT &&
+ caja_file_info_get_file_type (files->data) != G_FILE_TYPE_MOUNTABLE)) {
+ return NULL;
+ }
+
+ items = NULL;
+
+ uri = caja_file_info_get_activation_uri (files->data);
+ terminal_file_info = get_terminal_file_info (uri);
+
+ switch (terminal_file_info) {
+ case FILE_INFO_LOCAL:
+ case FILE_INFO_SFTP:
+ case FILE_INFO_OTHER:
+ if (terminal_file_info == FILE_INFO_SFTP || uri_has_local_path (uri)) {
+ item = open_terminal_menu_item_new (files->data, terminal_file_info, gtk_widget_get_screen (window),
+ NULL, terminal_file_info == FILE_INFO_SFTP, TRUE);
+ items = g_list_append (items, item);
+ }
+
+ if (terminal_file_info == FILE_INFO_SFTP &&
+ uri_has_local_path (uri)) {
+ item = open_terminal_menu_item_new (files->data, terminal_file_info, gtk_widget_get_screen (window), NULL, FALSE, TRUE);
+ items = g_list_append (items, item);
+ }
+
+ if (display_mc_item () &&
+ g_find_program_in_path ("mc") &&
+ uri_has_local_path (uri)) {
+ item = open_terminal_menu_item_new (files->data, terminal_file_info, gtk_widget_get_screen (window), "mc", TRUE, FALSE);
+ items = g_list_append (items, item);
+ }
+ break;
+
+ case FILE_INFO_DESKTOP:
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ g_free (uri);
+
+ return items;
+}
+
+static void
+caja_open_terminal_menu_provider_iface_init (cajaMenuProviderIface *iface)
+{
+ iface->get_background_items = caja_open_terminal_get_background_items;
+ iface->get_file_items = caja_open_terminal_get_file_items;
+}
+
+static void 
+caja_open_terminal_instance_init (CajaOpenTerminal *cvs)
+{
+}
+
+static void
+caja_open_terminal_class_init (CajaOpenTerminalClass *class)
+{
+ g_assert (mateconf_client == NULL);
+ mateconf_client = mateconf_client_get_default ();
+}
+
+static void
+caja_open_terminal_class_finalize (CajaOpenTerminalClass *class)
+{
+ g_assert (mateconf_client != NULL);
+ g_object_unref (mateconf_client);
+ mateconf_client = NULL;
+}
+
+GType
+caja_open_terminal_get_type (void) 
+{
+ return terminal_type;
+}
+
+void
+caja_open_terminal_register_type (GTypeModule *module)
+{
+ static const GTypeInfo info = {
+ sizeof (CajaOpenTerminalClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) caja_open_terminal_class_init,
+ (GClassFinalizeFunc) caja_open_terminal_class_finalize,
+ NULL,
+ sizeof (CajaOpenTerminal),
+ 0,
+ (GInstanceInitFunc) caja_open_terminal_instance_init,
+ };
+
+ static const GInterfaceInfo menu_provider_iface_info = {
+ (GInterfaceInitFunc) caja_open_terminal_menu_provider_iface_init,
+ NULL,
+ NULL
+ };
+
+ terminal_type = g_type_module_register_type (module,
+ G_TYPE_OBJECT,
+ "CajaOpenTerminal",
+ &info, 0);
+
+ g_type_module_add_interface (module,
+ terminal_type,
+ caja_TYPE_MENU_PROVIDER,
+ &menu_provider_iface_info);
+}