Check the return value for launching the startup command.
[dana/openbox.git] / openbox / openbox.c
index f7d820e..fbc01fd 100644 (file)
 #include "ping.h"
 #include "prompt.h"
 #include "gettext.h"
-#include "render/render.h"
-#include "render/theme.h"
+#include "obrender/render.h"
+#include "obrender/theme.h"
 #include "obt/display.h"
+#include "obt/xqueue.h"
+#include "obt/signal.h"
 #include "obt/prop.h"
 #include "obt/keyboard.h"
-#include "obt/parse.h"
+#include "obt/xml.h"
 
 #ifdef HAVE_FCNTL_H
 #  include <fcntl.h>
 #include <X11/Xcursor/Xcursor.h>
 #endif
 
-#include <X11/Xlib.h>
-#include <X11/keysym.h>
-
 RrInstance   *ob_rr_inst;
 RrImageCache *ob_rr_icons;
 RrTheme      *ob_rr_theme;
-ObtMainLoop  *ob_main_loop;
+GMainLoop    *ob_main_loop;
 gint          ob_screen;
 gboolean      ob_replace_wm = FALSE;
 gboolean      ob_sm_use = TRUE;
@@ -94,6 +93,7 @@ gchar        *ob_sm_id = NULL;
 gchar        *ob_sm_save_file = NULL;
 gboolean      ob_sm_restore = TRUE;
 gboolean      ob_debug_xinerama = FALSE;
+const gchar  *ob_locale_msg = NULL;
 
 static ObState   state;
 static gboolean  xsync = FALSE;
@@ -101,33 +101,42 @@ static gboolean  reconfigure = FALSE;
 static gboolean  restart = FALSE;
 static gchar    *restart_path = NULL;
 static Cursor    cursors[OB_NUM_CURSORS];
-static KeyCode   keys[OB_NUM_KEYS];
 static gint      exitcode = 0;
 static guint     remote_control = 0;
 static gboolean  being_replaced = FALSE;
 static gchar    *config_file = NULL;
+static gchar    *startup_cmd = NULL;
 
 static void signal_handler(gint signal, gpointer data);
 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
 static void parse_env();
 static void parse_args(gint *argc, gchar **argv);
 static Cursor load_cursor(const gchar *name, guint fontval);
+static void run_startup_cmd(void);
 
 gint main(gint argc, gchar **argv)
 {
     gchar *program_name;
 
-    state = OB_STATE_STARTING;
+    obt_signal_listen();
+
+    ob_set_state(OB_STATE_STARTING);
 
     ob_debug_startup();
 
     /* initialize the locale */
+    if (!(ob_locale_msg = setlocale(LC_MESSAGES, "")))
+        g_message("Couldn't set messages locale category from environment.");
     if (!setlocale(LC_ALL, ""))
         g_message("Couldn't set locale from environment.");
     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
     textdomain(PACKAGE_NAME);
 
+    if (chdir(g_get_home_dir()) == -1)
+        g_message(_("Unable to change to home directory \"%s\": %s"),
+                  g_get_home_dir(), g_strerror(errno));
+
     /* parse the command line args, which can change the argv[0] */
     parse_args(&argc, argv);
     /* parse the environment variables */
@@ -148,20 +157,23 @@ gint main(gint argc, gchar **argv)
          * remote_control = 2 -> restart */
         OBT_PROP_MSG(ob_screen, obt_root(ob_screen),
                      OB_CONTROL, remote_control, 0, 0, 0, 0);
-        obt_display_close(obt_display);
+        obt_display_close();
         exit(EXIT_SUCCESS);
     }
 
-    ob_main_loop = obt_main_loop_new();
+    ob_main_loop = g_main_loop_new(NULL, FALSE);
 
-    /* set up signal handler */
-    obt_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL,NULL);
-    obt_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL,NULL);
-    obt_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL,NULL);
-    obt_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler,  NULL,NULL);
-    obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler,  NULL,NULL);
-    obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
-    obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
+    /* set up signal handlers, they are called from the mainloop
+       in the main program's thread */
+    obt_signal_add_callback(SIGUSR1, signal_handler, NULL);
+    obt_signal_add_callback(SIGUSR2, signal_handler, NULL);
+    obt_signal_add_callback(SIGTERM, signal_handler, NULL);
+    obt_signal_add_callback(SIGINT,  signal_handler, NULL);
+    obt_signal_add_callback(SIGHUP,  signal_handler, NULL);
+    obt_signal_add_callback(SIGPIPE, signal_handler, NULL);
+    obt_signal_add_callback(SIGCHLD, signal_handler, NULL);
+    obt_signal_add_callback(SIGTTIN, signal_handler, NULL);
+    obt_signal_add_callback(SIGTTOU, signal_handler, NULL);
 
     ob_screen = DefaultScreen(obt_display);
 
@@ -184,7 +196,7 @@ gint main(gint argc, gchar **argv)
 
     /* set the DISPLAY environment variable for any lauched children, to the
        display we're using, so they open in the right place. */
-    setenv("DISPLAY", DisplayString(obt_display), TRUE);
+    g_setenv("DISPLAY", DisplayString(obt_display), TRUE);
 
     /* create available cursors */
     cursors[OB_CURSOR_NONE] = None;
@@ -206,25 +218,22 @@ gint main(gint argc, gchar **argv)
                                                XC_top_left_corner);
 
     if (screen_annex()) { /* it will be ours! */
+
+        /* get a timestamp from after taking over as the WM.  if we use the
+           old timestamp to set focus it can fail when replacing another WM. */
+        event_reset_time();
+
         do {
-            if (reconfigure) obt_keyboard_reload();
+            ObPrompt *xmlprompt = NULL;
 
-            /* get the keycodes for keys we use */
-            keys[OB_KEY_RETURN] = obt_keyboard_keysym_to_keycode(XK_Return);
-            keys[OB_KEY_ESCAPE] = obt_keyboard_keysym_to_keycode(XK_Escape);
-            keys[OB_KEY_LEFT] = obt_keyboard_keysym_to_keycode(XK_Left);
-            keys[OB_KEY_RIGHT] = obt_keyboard_keysym_to_keycode(XK_Right);
-            keys[OB_KEY_UP] = obt_keyboard_keysym_to_keycode(XK_Up);
-            keys[OB_KEY_DOWN] = obt_keyboard_keysym_to_keycode(XK_Down);
-            keys[OB_KEY_TAB] = obt_keyboard_keysym_to_keycode(XK_Tab);
-            keys[OB_KEY_SPACE] = obt_keyboard_keysym_to_keycode(XK_space);
+            if (reconfigure) obt_keyboard_reload();
 
             {
-                ObtParseInst *i;
+                ObtXmlInst *i;
 
                 /* startup the parsing so everything can register sections
                    of the rc */
-                i = obt_parse_instance_new();
+                i = obt_xml_instance_new();
 
                 /* register all the available actions */
                 actions_startup(reconfigure);
@@ -233,12 +242,12 @@ gint main(gint argc, gchar **argv)
 
                 /* parse/load user options */
                 if ((config_file &&
-                     obt_parse_load_file(i, config_file, "openbox_config")) ||
-                    obt_parse_load_config_file(i, "openbox", "rc.xml",
-                                               "openbox_config"))
+                     obt_xml_load_file(i, config_file, "openbox_config")) ||
+                    obt_xml_load_config_file(i, "openbox", "rc.xml",
+                                             "openbox_config"))
                 {
-                    obt_parse_tree_from_root(i);
-                    obt_parse_close(i);
+                    obt_xml_tree_from_root(i);
+                    obt_xml_close(i);
                 }
                 else {
                     g_message(_("Unable to find a valid config file, using some simple defaults"));
@@ -249,15 +258,14 @@ gint main(gint argc, gchar **argv)
                     gchar *p = g_filename_to_utf8(config_file, -1,
                                                   NULL, NULL, NULL);
                     if (p)
-                        OBT_PROP_SETS(obt_root(ob_screen), OB_CONFIG_FILE,
-                                      utf8, p);
+                        OBT_PROP_SETS(obt_root(ob_screen), OB_CONFIG_FILE, p);
                     g_free(p);
                 }
                 else
                     OBT_PROP_ERASE(obt_root(ob_screen), OB_CONFIG_FILE);
 
                 /* we're done with parsing now, kill it */
-                obt_parse_instance_unref(i);
+                obt_xml_instance_unref(i);
             }
 
             /* load the theme specified in the rc file */
@@ -268,7 +276,8 @@ gint main(gint argc, gchar **argv)
                                         config_font_inactivewindow,
                                         config_font_menutitle,
                                         config_font_menuitem,
-                                        config_font_osd)))
+                                        config_font_activeosd,
+                                        config_font_inactiveosd)))
                 {
                     RrThemeFree(ob_rr_theme);
                     ob_rr_theme = theme;
@@ -276,8 +285,8 @@ gint main(gint argc, gchar **argv)
                 if (ob_rr_theme == NULL)
                     ob_exit_with_error(_("Unable to load a theme."));
 
-                OBT_PROP_SETS(obt_root(ob_screen),
-                              OB_THEME, utf8, ob_rr_theme->name);
+                OBT_PROP_SETS(obt_root(ob_screen), OB_THEME,
+                              ob_rr_theme->name);
             }
 
             if (reconfigure) {
@@ -302,7 +311,6 @@ gint main(gint argc, gchar **argv)
             grab_startup(reconfigure);
             group_startup(reconfigure);
             ping_startup(reconfigure);
-            prompt_startup(reconfigure);
             client_startup(reconfigure);
             dock_startup(reconfigure);
             moveresize_startup(reconfigure);
@@ -310,6 +318,11 @@ gint main(gint argc, gchar **argv)
             mouse_startup(reconfigure);
             menu_frame_startup(reconfigure);
             menu_startup(reconfigure);
+            prompt_startup(reconfigure);
+
+            /* do this after everything is started so no events will get
+               missed */
+            xqueue_listen();
 
             if (!reconfigure) {
                 guint32 xid;
@@ -317,7 +330,6 @@ gint main(gint argc, gchar **argv)
 
                 /* get all the existing windows */
                 window_manage_all();
-                focus_nothing();
 
                 /* focus what was focused if a wm was already running */
                 if (OBT_PROP_GET32(obt_root(ob_screen),
@@ -343,15 +355,39 @@ gint main(gint argc, gchar **argv)
                 }
             }
 
+            ob_set_state(OB_STATE_RUNNING);
+
+            if (!reconfigure && startup_cmd) run_startup_cmd();
+
             reconfigure = FALSE;
 
-            state = OB_STATE_RUNNING;
-            obt_main_loop_run(ob_main_loop);
-            state = OB_STATE_EXITING;
+            /* look for parsing errors */
+            {
+                xmlErrorPtr e = xmlGetLastError();
+                if (e) {
+                    gchar *m;
+
+                    m = g_strdup_printf(_("One or more XML syntax errors were found while parsing the Openbox configuration files.  See stdout for more information.  The last error seen was in file \"%s\" line %d, with message: %s"), e->file, e->line, e->message);
+                    xmlprompt =
+                        prompt_show_message(m, _("Openbox Syntax Error"), _("Close"));
+                    g_free(m);
+                    xmlResetError(e);
+                }
+            }
+
+            g_main_loop_run(ob_main_loop);
+            ob_set_state(reconfigure ?
+                         OB_STATE_RECONFIGURING : OB_STATE_EXITING);
+
+            if (xmlprompt) {
+                prompt_unref(xmlprompt);
+                xmlprompt = NULL;
+            }
 
             if (!reconfigure)
                 window_unmanage_all();
 
+            prompt_shutdown(reconfigure);
             menu_shutdown(reconfigure);
             menu_frame_shutdown(reconfigure);
             mouse_shutdown(reconfigure);
@@ -359,7 +395,6 @@ gint main(gint argc, gchar **argv)
             moveresize_shutdown(reconfigure);
             dock_shutdown(reconfigure);
             client_shutdown(reconfigure);
-            prompt_shutdown(reconfigure);
             ping_shutdown(reconfigure);
             group_shutdown(reconfigure);
             grab_shutdown(reconfigure);
@@ -384,9 +419,11 @@ gint main(gint argc, gchar **argv)
 
     session_shutdown(being_replaced);
 
-    obt_display_close(obt_display);
+    obt_display_close();
 
     if (restart) {
+        ob_debug_shutdown();
+        obt_signal_stop();
         if (restart_path != NULL) {
             gint argcp;
             gchar **argvp;
@@ -398,7 +435,7 @@ gint main(gint argc, gchar **argv)
                 g_strfreev(argvp);
             } else {
                 g_message(
-                    _("Restart failed to execute new executable '%s': %s"),
+                    _("Restart failed to execute new executable \"%s\": %s"),
                     restart_path, err->message);
                 g_error_free(err);
             }
@@ -440,7 +477,10 @@ gint main(gint argc, gchar **argv)
     g_free(ob_sm_id);
     g_free(program_name);
 
-    ob_debug_shutdown();
+    if (!restart) {
+        ob_debug_shutdown();
+        obt_signal_stop();
+    }
 
     return exitcode;
 }
@@ -460,6 +500,10 @@ static void signal_handler(gint signal, gpointer data)
         /* reap children */
         while (waitpid(-1, NULL, WNOHANG) > 0);
         break;
+    case SIGTTIN:
+    case SIGTTOU:
+        ob_debug("Caught signal %d. Ignoring.", signal);
+        break;
     default:
         ob_debug("Caught signal %d. Exiting.", signal);
         /* TERM and INT return a 0 code */
@@ -467,25 +511,28 @@ static void signal_handler(gint signal, gpointer data)
     }
 }
 
-static void print_version()
+static void print_version(void)
 {
     g_print("Openbox %s\n", PACKAGE_VERSION);
     g_print(_("Copyright (c)"));
-    g_print(" 2008        Mikael Magnusson\n");
+    g_print(" 2008-2011   Mikael Magnusson\n");
     g_print(_("Copyright (c)"));
-    g_print(" 2003-2006   Dana Jansens\n\n");
+    g_print(" 2003-2011   Dana Jansens\n\n");
     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
     g_print("This is free software, and you are welcome to redistribute it\n");
     g_print("under certain conditions. See the file COPYING for details.\n\n");
 }
 
-static void print_help()
+static void print_help(void)
 {
     g_print(_("Syntax: openbox [options]\n"));
     g_print(_("\nOptions:\n"));
     g_print(_("  --help              Display this help and exit\n"));
     g_print(_("  --version           Display the version and exit\n"));
     g_print(_("  --replace           Replace the currently running window manager\n"));
+    /* TRANSLATORS: if you translate "FILE" here, make sure to keep the "Specify..."
+       aligned still, if you have to, make a new line with \n and 22 spaces. It's
+       fine to leave it as FILE though. */
     g_print(_("  --config-file FILE  Specify the path to the config file to use\n"));
     g_print(_("  --sm-disable        Disable connection to the session manager\n"));
     g_print(_("\nPassing messages to a running Openbox instance:\n"));
@@ -494,9 +541,10 @@ static void print_help()
     g_print(_("  --exit              Exit Openbox\n"));
     g_print(_("\nDebugging options:\n"));
     g_print(_("  --sync              Run in synchronous mode\n"));
+    g_print(_("  --startup CMD       Run CMD after starting\n"));
     g_print(_("  --debug             Display debugging output\n"));
     g_print(_("  --debug-focus       Display debugging output for focus handling\n"));
-    g_print(_("  --debug-session     Display debugging output for session managment\n"));
+    g_print(_("  --debug-session     Display debugging output for session management\n"));
     g_print(_("  --debug-xinerama    Split the display into fake xinerama screens\n"));
     g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
 }
@@ -512,10 +560,47 @@ static void remove_args(gint *argc, gchar **argv, gint index, gint num)
     *argc -= num;
 }
 
-static void parse_env()
+static void run_startup_cmd(void)
 {
+    gchar **argv = NULL;
+    GError *e = NULL;
+    gboolean ok;
+
+    if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
+        g_message("Error parsing startup command: %s",
+                  e->message);
+        g_error_free(e);
+        e = NULL;
+    }
+    ok = g_spawn_async(NULL, argv, NULL,
+                       G_SPAWN_SEARCH_PATH |
+                       G_SPAWN_DO_NOT_REAP_CHILD,
+                       NULL, NULL, NULL, &e);
+    if (!ok) {
+        g_message("Error launching startup command: %s",
+                  e->message);
+        g_error_free(e);
+        e = NULL;
+    }
+}
+
+static void parse_env(void)
+{
+    const gchar *id;
+
     /* unset this so we don't pass it on unknowingly */
-    unsetenv("DESKTOP_STARTUP_ID");
+    g_unsetenv("DESKTOP_STARTUP_ID");
+
+    /* this is how gnome-session passes in a session client id */
+    id = g_getenv("DESKTOP_AUTOSTART_ID");
+    if (id) {
+        g_unsetenv("DESKTOP_AUTOSTART_ID");
+        if (ob_sm_id) g_free(ob_sm_id);
+        ob_sm_id = g_strdup(id);
+        ob_debug_type(OB_DEBUG_SM,
+                      "DESKTOP_AUTOSTART_ID %s supercedes --sm-client-id\n",
+                      ob_sm_id);
+    }
 }
 
 static void parse_args(gint *argc, gchar **argv)
@@ -542,18 +627,26 @@ static void parse_args(gint *argc, gchar **argv)
         else if (!strcmp(argv[i], "--sync")) {
             xsync = TRUE;
         }
+        else if (!strcmp(argv[i], "--startup")) {
+            if (i == *argc - 1) /* no args left */
+                g_printerr(_("%s requires an argument\n"), "--startup");
+            else {
+                /* this will be in the current locale encoding, which is
+                   what we want */
+                startup_cmd = argv[i+1];
+                remove_args(argc, argv, i, 2);
+                --i; /* this arg was removed so go back */
+                ob_debug("--startup %s", startup_cmd);
+            }
+        }
         else if (!strcmp(argv[i], "--debug")) {
             ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
         }
         else if (!strcmp(argv[i], "--debug-focus")) {
-            ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
-            ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
             ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
         }
         else if (!strcmp(argv[i], "--debug-session")) {
-            ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
-            ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
             ob_debug_enable(OB_DEBUG_SM, TRUE);
         }
         else if (!strcmp(argv[i], "--debug-xinerama")) {
@@ -570,13 +663,13 @@ static void parse_args(gint *argc, gchar **argv)
         }
         else if (!strcmp(argv[i], "--config-file")) {
             if (i == *argc - 1) /* no args left */
-                g_printerr(_("--config-file requires an argument\n"));
+                g_printerr(_("%s requires an argument\n"), "--config-file");
             else {
                 /* this will be in the current locale encoding, which is
                    what we want */
                 config_file = argv[i+1];
                 ++i; /* skip the argument */
-                ob_debug("--config-file %s\n", config_file);
+                ob_debug("--config-file %s", config_file);
             }
         }
         else if (!strcmp(argv[i], "--sm-save-file")) {
@@ -613,7 +706,7 @@ static void parse_args(gint *argc, gchar **argv)
         else {
             /* this is a memleak.. oh well.. heh */
             gchar *err = g_strdup_printf
-                (_("Invalid command line argument '%s'\n"), argv[i]);
+                (_("Invalid command line argument \"%s\"\n"), argv[i]);
             ob_exit_with_error(err);
         }
     }
@@ -633,7 +726,7 @@ static Cursor load_cursor(const gchar *name, guint fontval)
 
 void ob_exit_with_error(const gchar *msg)
 {
-    g_message(msg);
+    g_message("%s", msg);
     session_shutdown(TRUE);
     exit(EXIT_FAILURE);
 }
@@ -644,13 +737,13 @@ void ob_restart_other(const gchar *path)
     ob_restart();
 }
 
-void ob_restart()
+void ob_restart(void)
 {
     restart = TRUE;
     ob_exit(0);
 }
 
-void ob_reconfigure()
+void ob_reconfigure(void)
 {
     reconfigure = TRUE;
     ob_exit(0);
@@ -659,14 +752,14 @@ void ob_reconfigure()
 void ob_exit(gint code)
 {
     exitcode = code;
-    obt_main_loop_exit(ob_main_loop);
+    g_main_loop_quit(ob_main_loop);
 }
 
-void ob_exit_replace()
+void ob_exit_replace(void)
 {
     exitcode = 0;
     being_replaced = TRUE;
-    obt_main_loop_exit(ob_main_loop);
+    g_main_loop_quit(ob_main_loop);
 }
 
 Cursor ob_cursor(ObCursor cursor)
@@ -675,13 +768,12 @@ Cursor ob_cursor(ObCursor cursor)
     return cursors[cursor];
 }
 
-KeyCode ob_keycode(ObKey key)
+ObState ob_state(void)
 {
-    g_assert(key < OB_NUM_KEYS);
-    return keys[key];
+    return state;
 }
 
-ObState ob_state()
+void ob_set_state(ObState s)
 {
-    return state;
+    state = s;
 }