From 528c1e5ff51e213936e800fc5a9a25da99c0bdf2 Mon Sep 17 00:00:00 2001 From: Perberos Date: Mon, 7 Nov 2011 16:46:58 -0300 Subject: initial --- gedit/gedit.c | 766 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 766 insertions(+) create mode 100755 gedit/gedit.c (limited to 'gedit/gedit.c') diff --git a/gedit/gedit.c b/gedit/gedit.c new file mode 100755 index 00000000..fa53b407 --- /dev/null +++ b/gedit/gedit.c @@ -0,0 +1,766 @@ +/* + * gedit.c + * This file is part of gedit + * + * Copyright (C) 2005 - Paolo Maggi + * + * This program 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 program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the gedit Team, 2005. See the AUTHORS file for a + * list of people on the gedit Team. + * See the ChangeLog files for a list of changes. + * + * $Id$ + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include + +#include +#include +#include + +#ifdef GDK_WINDOWING_X11 +#include +#endif + +#include "gedit-app.h" +#include "gedit-commands.h" +#include "gedit-debug.h" +#include "gedit-dirs.h" +#include "gedit-encodings.h" +#include "gedit-plugins-engine.h" +#include "gedit-prefs-manager-app.h" +#include "gedit-session.h" +#include "gedit-utils.h" +#include "gedit-window.h" + +#include "eggsmclient.h" +#include "eggdesktopfile.h" + +#ifdef G_OS_WIN32 +#define SAVE_DATADIR DATADIR +#undef DATADIR +#include +#include +#define _WIN32_WINNT 0x0500 +#include +#define DATADIR SAVE_DATADIR +#undef SAVE_DATADIR +#endif + +#ifdef OS_OSX +#include +#include +#include "osx/gedit-osx.h" +#endif + +#ifndef ENABLE_GVFS_METADATA +#include "gedit-metadata-manager.h" +#endif + +static guint32 startup_timestamp = 0; + +#ifndef G_OS_WIN32 +#include "bacon-message-connection.h" + +static BaconMessageConnection *connection; +#endif + +/* command line */ +static gint line_position = 0; +static gchar *encoding_charset = NULL; +static gboolean new_window_option = FALSE; +static gboolean new_document_option = FALSE; +static gchar **remaining_args = NULL; +static GSList *file_list = NULL; + +static void +show_version_and_quit (void) +{ + g_print ("%s - Version %s\n", g_get_application_name (), VERSION); + + exit (0); +} + +static void +list_encodings_and_quit (void) +{ + gint i = 0; + const GeditEncoding *enc; + + while ((enc = gedit_encoding_get_from_index (i)) != NULL) + { + g_print ("%s\n", gedit_encoding_get_charset (enc)); + + ++i; + } + + exit (0); +} + +static const GOptionEntry options [] = +{ + { "version", 'V', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, + show_version_and_quit, N_("Show the application's version"), NULL }, + + { "encoding", '\0', 0, G_OPTION_ARG_STRING, &encoding_charset, + N_("Set the character encoding to be used to open the files listed on the command line"), N_("ENCODING")}, + + { "list-encodings", '\0', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, + list_encodings_and_quit, N_("Display list of possible values for the encoding option"), NULL}, + + { "new-window", '\0', 0, G_OPTION_ARG_NONE, &new_window_option, + N_("Create a new top-level window in an existing instance of gedit"), NULL }, + + { "new-document", '\0', 0, G_OPTION_ARG_NONE, &new_document_option, + N_("Create a new document in an existing instance of gedit"), NULL }, + + { G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &remaining_args, + NULL, N_("[FILE...]") }, /* collects file arguments */ + + {NULL} +}; + +static void +free_command_line_data (void) +{ + g_slist_foreach (file_list, (GFunc) g_object_unref, NULL); + g_slist_free (file_list); + file_list = NULL; + + g_strfreev (remaining_args); + remaining_args = NULL; + + g_free (encoding_charset); + encoding_charset = NULL; + + new_window_option = FALSE; + new_document_option = FALSE; + line_position = 0; +} + +static void +gedit_get_command_line_data (void) +{ + if (remaining_args) + { + gint i; + + for (i = 0; remaining_args[i]; i++) + { + if (*remaining_args[i] == '+') + { + if (*(remaining_args[i] + 1) == '\0') + /* goto the last line of the document */ + line_position = G_MAXINT; + else + line_position = atoi (remaining_args[i] + 1); + } + else + { + GFile *file; + + file = g_file_new_for_commandline_arg (remaining_args[i]); + file_list = g_slist_prepend (file_list, file); + } + } + + file_list = g_slist_reverse (file_list); + } + + if (encoding_charset && + (gedit_encoding_get_from_charset (encoding_charset) == NULL)) + { + g_print (_("%s: invalid encoding.\n"), + encoding_charset); + } +} + +static guint32 +get_startup_timestamp (void) +{ + const gchar *startup_id_env; + gchar *startup_id = NULL; + gchar *time_str; + gchar *end; + gulong retval = 0; + + /* we don't unset the env, since startup-notification + * may still need it */ + startup_id_env = g_getenv ("DESKTOP_STARTUP_ID"); + if (startup_id_env == NULL) + goto out; + + startup_id = g_strdup (startup_id_env); + + time_str = g_strrstr (startup_id, "_TIME"); + if (time_str == NULL) + goto out; + + errno = 0; + + /* Skip past the "_TIME" part */ + time_str += 5; + + retval = strtoul (time_str, &end, 0); + if (end == time_str || errno != 0) + retval = 0; + + out: + g_free (startup_id); + + return (retval > 0) ? retval : 0; +} + +#ifndef G_OS_WIN32 +static GdkDisplay * +display_open_if_needed (const gchar *name) +{ + GSList *displays; + GSList *l; + GdkDisplay *display = NULL; + + displays = gdk_display_manager_list_displays (gdk_display_manager_get ()); + + for (l = displays; l != NULL; l = l->next) + { + if (strcmp (gdk_display_get_name ((GdkDisplay *) l->data), name) == 0) + { + display = l->data; + break; + } + } + + g_slist_free (displays); + + return display != NULL ? display : gdk_display_open (name); +} + +/* serverside */ +static void +on_message_received (const char *message, + gpointer data) +{ + const GeditEncoding *encoding = NULL; + gchar **commands; + gchar **params; + gint workspace; + gint viewport_x; + gint viewport_y; + gchar *display_name; + gint screen_number; + gint i; + GeditApp *app; + GeditWindow *window; + GdkDisplay *display; + GdkScreen *screen; + + g_return_if_fail (message != NULL); + + gedit_debug_message (DEBUG_APP, "Received message:\n%s\n", message); + + commands = g_strsplit (message, "\v", -1); + + /* header */ + params = g_strsplit (commands[0], "\t", 6); + startup_timestamp = atoi (params[0]); + display_name = params[1]; + screen_number = atoi (params[2]); + workspace = atoi (params[3]); + viewport_x = atoi (params[4]); + viewport_y = atoi (params[5]); + + display = display_open_if_needed (display_name); + if (display == NULL) + { + g_warning ("Could not open display %s\n", display_name); + g_strfreev (params); + goto out; + } + + screen = gdk_display_get_screen (display, screen_number); + + g_strfreev (params); + + /* body */ + for (i = 1; commands[i] != NULL; i++) + { + params = g_strsplit (commands[i], "\t", -1); + + if (strcmp (params[0], "NEW-WINDOW") == 0) + { + new_window_option = TRUE; + } + else if (strcmp (params[0], "NEW-DOCUMENT") == 0) + { + new_document_option = TRUE; + } + else if (strcmp (params[0], "OPEN-URIS") == 0) + { + gint n_uris, j; + gchar **uris; + + line_position = atoi (params[1]); + + if (params[2] != '\0') + encoding = gedit_encoding_get_from_charset (params[2]); + + n_uris = atoi (params[3]); + uris = g_strsplit (params[4], " ", n_uris); + + for (j = 0; j < n_uris; j++) + { + GFile *file; + + file = g_file_new_for_uri (uris[j]); + file_list = g_slist_prepend (file_list, file); + } + + file_list = g_slist_reverse (file_list); + + /* the list takes ownerhip of the strings, + * only free the array */ + g_free (uris); + } + else + { + g_warning ("Unexpected bacon command"); + } + + g_strfreev (params); + } + + /* execute the commands */ + + app = gedit_app_get_default (); + + if (new_window_option) + { + window = gedit_app_create_window (app, screen); + } + else + { + /* get a window in the current workspace (if exists) and raise it */ + window = _gedit_app_get_window_in_viewport (app, + screen, + workspace, + viewport_x, + viewport_y); + } + + if (file_list != NULL) + { + _gedit_cmd_load_files_from_prompt (window, + file_list, + encoding, + line_position); + + if (new_document_option) + gedit_window_create_tab (window, TRUE); + } + else + { + GeditDocument *doc; + doc = gedit_window_get_active_document (window); + + if (doc == NULL || + !gedit_document_is_untouched (doc) || + new_document_option) + gedit_window_create_tab (window, TRUE); + } + + /* set the proper interaction time on the window. + * Fall back to roundtripping to the X server when we + * don't have the timestamp, e.g. when launched from + * terminal. We also need to make sure that the window + * has been realized otherwise it will not work. lame. + */ + if (!GTK_WIDGET_REALIZED (window)) + gtk_widget_realize (GTK_WIDGET (window)); + +#ifdef GDK_WINDOWING_X11 + if (startup_timestamp <= 0) + startup_timestamp = gdk_x11_get_server_time (gtk_widget_get_window (GTK_WIDGET (window))); + + gdk_x11_window_set_user_time (gtk_widget_get_window (GTK_WIDGET (window)), + startup_timestamp); +#endif + + gtk_window_present (GTK_WINDOW (window)); + + out: + g_strfreev (commands); + + free_command_line_data (); +} + +/* clientside */ +static void +send_bacon_message (void) +{ + GdkScreen *screen; + GdkDisplay *display; + const gchar *display_name; + gint screen_number; + gint ws; + gint viewport_x; + gint viewport_y; + GString *command; + + /* the messages have the following format: + * <--- header ---> <---- body -----> + * timestamp \t display_name \t screen_number \t workspace \t viewport_x \t viewport_y \v OP1 \t arg \t arg \v OP2 \t arg \t arg|... + * + * when the arg is a list of uri, they are separated by a space. + * So the delimiters are \v for the commands, \t for the tokens in + * a command and ' ' for the uris: note that such delimiters cannot + * be part of an uri, this way parsing is easier. + */ + + gedit_debug (DEBUG_APP); + + screen = gdk_screen_get_default (); + display = gdk_screen_get_display (screen); + + display_name = gdk_display_get_name (display); + screen_number = gdk_screen_get_number (screen); + + gedit_debug_message (DEBUG_APP, "Display: %s", display_name); + gedit_debug_message (DEBUG_APP, "Screen: %d", screen_number); + + ws = gedit_utils_get_current_workspace (screen); + gedit_utils_get_current_viewport (screen, &viewport_x, &viewport_y); + + command = g_string_new (NULL); + + /* header */ + g_string_append_printf (command, + "%" G_GUINT32_FORMAT "\t%s\t%d\t%d\t%d\t%d", + startup_timestamp, + display_name, + screen_number, + ws, + viewport_x, + viewport_y); + + /* NEW-WINDOW command */ + if (new_window_option) + { + command = g_string_append_c (command, '\v'); + command = g_string_append (command, "NEW-WINDOW"); + } + + /* NEW-DOCUMENT command */ + if (new_document_option) + { + command = g_string_append_c (command, '\v'); + command = g_string_append (command, "NEW-DOCUMENT"); + } + + /* OPEN_URIS command, optionally specify line_num and encoding */ + if (file_list) + { + GSList *l; + + command = g_string_append_c (command, '\v'); + command = g_string_append (command, "OPEN-URIS"); + + g_string_append_printf (command, + "\t%d\t%s\t%u\t", + line_position, + encoding_charset ? encoding_charset : "", + g_slist_length (file_list)); + + for (l = file_list; l != NULL; l = l->next) + { + gchar *uri; + + uri = g_file_get_uri (G_FILE (l->data)); + command = g_string_append (command, uri); + if (l->next != NULL) + command = g_string_append_c (command, ' '); + + g_free (uri); + } + } + + gedit_debug_message (DEBUG_APP, "Bacon Message: %s", command->str); + + bacon_message_connection_send (connection, + command->str); + + g_string_free (command, TRUE); +} +#endif /* G_OS_WIN32 */ + +#ifdef G_OS_WIN32 +static void +setup_path (void) +{ + gchar *path; + gchar *installdir; + gchar *bin; + + installdir = g_win32_get_package_installation_directory_of_module (NULL); + + bin = g_build_filename (installdir, + "bin", NULL); + g_free (installdir); + + /* Set PATH to include the gedit executable's folder */ + path = g_build_path (";", + bin, + g_getenv ("PATH"), + NULL); + g_free (bin); + + if (!g_setenv ("PATH", path, TRUE)) + g_warning ("Could not set PATH for gedit"); + + g_free (path); +} +#endif + +int +main (int argc, char *argv[]) +{ + GOptionContext *context; + GeditPluginsEngine *engine; + GeditWindow *window; + GeditApp *app; + gboolean restored = FALSE; + GError *error = NULL; + gchar *dir; + gchar *icon_dir; + + /* Init type system as soon as possible */ + g_type_init (); + + /* Init glib threads asap */ + g_thread_init (NULL); + + /* Setup debugging */ + gedit_debug_init (); + gedit_debug_message (DEBUG_APP, "Startup"); + + setlocale (LC_ALL, ""); + + dir = gedit_dirs_get_gedit_locale_dir (); + bindtextdomain (GETTEXT_PACKAGE, dir); + g_free (dir); + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); + textdomain (GETTEXT_PACKAGE); + + startup_timestamp = get_startup_timestamp(); + + /* Setup command line options */ + context = g_option_context_new (_("- Edit text files")); + g_option_context_add_main_entries (context, options, GETTEXT_PACKAGE); + g_option_context_add_group (context, gtk_get_option_group (FALSE)); + g_option_context_add_group (context, egg_sm_client_get_option_group ()); + +#ifdef G_OS_WIN32 + setup_path (); + + /* If we open gedit from a console get the stdout printing */ + if (fileno (stdout) != -1 && + _get_osfhandle (fileno (stdout)) != -1) + { + /* stdout is fine, presumably redirected to a file or pipe */ + } + else + { + typedef BOOL (* WINAPI AttachConsole_t) (DWORD); + + AttachConsole_t p_AttachConsole = + (AttachConsole_t) GetProcAddress (GetModuleHandle ("kernel32.dll"), + "AttachConsole"); + + if (p_AttachConsole != NULL && p_AttachConsole (ATTACH_PARENT_PROCESS)) + { + freopen ("CONOUT$", "w", stdout); + dup2 (fileno (stdout), 1); + freopen ("CONOUT$", "w", stderr); + dup2 (fileno (stderr), 2); + } + } +#endif + + gtk_init (&argc, &argv); + + if (!g_option_context_parse (context, &argc, &argv, &error)) + { + g_print(_("%s\nRun '%s --help' to see a full list of available command line options.\n"), + error->message, argv[0]); + g_error_free (error); + return 1; + } + + g_option_context_free (context); + +#ifndef G_OS_WIN32 + gedit_debug_message (DEBUG_APP, "Create bacon connection"); + + connection = bacon_message_connection_new ("gedit"); + + if (connection != NULL) + { + if (!bacon_message_connection_get_is_server (connection)) + { + gedit_debug_message (DEBUG_APP, "I'm a client"); + + gedit_get_command_line_data (); + + send_bacon_message (); + + free_command_line_data (); + + /* we never popup a window... tell startup-notification + * that we are done. + */ + gdk_notify_startup_complete (); + + bacon_message_connection_free (connection); + + exit (0); + } + else + { + gedit_debug_message (DEBUG_APP, "I'm a server"); + + bacon_message_connection_set_callback (connection, + on_message_received, + NULL); + } + } + else + { + g_warning ("Cannot create the 'gedit' connection."); + } +#endif + + gedit_debug_message (DEBUG_APP, "Set icon"); + + dir = gedit_dirs_get_gedit_data_dir (); + icon_dir = g_build_filename (dir, + "icons", + NULL); + g_free (dir); + + gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (), + icon_dir); + g_free (icon_dir); + +#ifdef GDK_WINDOWING_X11 + /* Set the associated .desktop file */ + egg_set_desktop_file (DATADIR "/applications/gedit.desktop"); +#else + /* manually set name and icon */ + g_set_application_name("gedit"); + gtk_window_set_default_icon_name ("accessories-text-editor"); +#endif + + /* Load user preferences */ + gedit_debug_message (DEBUG_APP, "Init prefs manager"); + gedit_prefs_manager_app_init (); + + /* Init plugins engine */ + gedit_debug_message (DEBUG_APP, "Init plugins"); + engine = gedit_plugins_engine_get_default (); + + #if !GTK_CHECK_VERSION(3, 0, 0) + gtk_about_dialog_set_url_hook(gedit_utils_activate_url, NULL, NULL); + #endif + /* Initialize session management */ + gedit_debug_message (DEBUG_APP, "Init session manager"); + gedit_session_init (); + +#ifdef OS_OSX + ige_mac_menu_set_global_key_handler_enabled (FALSE); +#endif + + if (gedit_session_is_restored ()) + restored = gedit_session_load (); + + if (!restored) + { + gedit_debug_message (DEBUG_APP, "Analyze command line data"); + gedit_get_command_line_data (); + + gedit_debug_message (DEBUG_APP, "Get default app"); + app = gedit_app_get_default (); + + gedit_debug_message (DEBUG_APP, "Create main window"); + window = gedit_app_create_window (app, NULL); + + if (file_list != NULL) + { + const GeditEncoding *encoding = NULL; + + if (encoding_charset) + encoding = gedit_encoding_get_from_charset (encoding_charset); + + gedit_debug_message (DEBUG_APP, "Load files"); + _gedit_cmd_load_files_from_prompt (window, + file_list, + encoding, + line_position); + } + else + { + gedit_debug_message (DEBUG_APP, "Create tab"); + gedit_window_create_tab (window, TRUE); + } + + gedit_debug_message (DEBUG_APP, "Show window"); + gtk_widget_show (GTK_WIDGET (window)); + + free_command_line_data (); + } + + gedit_debug_message (DEBUG_APP, "Start gtk-main"); + +#ifdef OS_OSX + gedit_osx_init(gedit_app_get_default ()); +#endif + gtk_main(); + +#ifndef G_OS_WIN32 + bacon_message_connection_free (connection); +#endif + + /* We kept the original engine reference here. So let's unref it to + * finalize it properly. + */ + g_object_unref (engine); + gedit_prefs_manager_app_shutdown (); + +#ifndef ENABLE_GVFS_METADATA + gedit_metadata_manager_shutdown (); +#endif + + return 0; +} + -- cgit v1.2.1