initial

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);
+}