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diff --git a/src/main.c b/src/main.c
index a0ff344610af15b40d0407515004cae737eae60a..bc2a8c73dc30eb4193cc913556abb40ff658ece0 100644 (file)
--- a/src/main.c
+++ b/src/main.c
-/*
- * $Id$
- *
- * (c) 2004 by Kalle Wallin <kaw@linux.se>
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2010 The Music Player Daemon Project
+ * Project homepage: http://musicpd.org
*
* 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
* 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
*
- */
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
#include "config.h"
#include "ncmpc.h"
#include "mpdclient.h"
-#include "support.h"
+#include "gidle.h"
+#include "charset.h"
#include "options.h"
-#include "conf.h"
#include "command.h"
-#include "lyrics.h"
+#include "ncu.h"
#include "screen.h"
#include "screen_utils.h"
+#include "screen_message.h"
#include "strfsong.h"
-#include "gcc.h"
+#include "i18n.h"
+#include "player_command.h"
+
+#ifndef NCMPC_MINI
+#include "conf.h"
+#endif
+
+#ifdef ENABLE_LYRICS_SCREEN
+#include "lyrics.h"
+#endif
+
+#ifdef ENABLE_LIRC
+#include "lirc.h"
+#endif
+
+#include <mpd/client.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
-#define BUFSIZE 1024
-
-static mpdclient_t *mpd = NULL;
-static gboolean connected = FALSE;
-static GTimer *timer = NULL;
-
-static const gchar *
-error_msg(const gchar *msg)
-{
- gchar *p;
+#ifdef ENABLE_LOCALE
+#include <locale.h>
+#endif
- if ((p = strchr(msg, '}')) == NULL)
- return msg;
+/* time between mpd updates [ms] */
+static const guint update_interval = 500;
- while (p && *p && (*p=='}' || *p==' '))
- p++;
+#define BUFSIZE 1024
- return p;
-}
+static struct mpdclient *mpd = NULL;
+static GMainLoop *main_loop;
+static guint reconnect_source_id, update_source_id;
-static void
-error_callback(mpd_unused mpdclient_t *c, gint error, const gchar *msg)
-{
- error = error & 0xFF;
- D("Error [%d:%d]> \"%s\"\n", error, GET_ACK_ERROR_CODE(error), msg);
- switch (error) {
- case MPD_ERROR_CONNPORT:
- case MPD_ERROR_NORESPONSE:
- break;
- case MPD_ERROR_ACK:
- screen_status_printf("%s", error_msg(msg));
- screen_bell();
- break;
- default:
- screen_status_printf("%s", msg);
- screen_bell();
- doupdate();
- connected = FALSE;
- }
-}
+#ifndef NCMPC_MINI
+static guint check_key_bindings_source_id;
+#endif
+#ifndef NCMPC_MINI
static void
update_xterm_title(void)
{
static char title[BUFSIZE];
char tmp[BUFSIZE];
- mpd_Status *status = NULL;
- mpd_Song *song = NULL;
+ struct mpd_status *status = NULL;
+ const struct mpd_song *song = NULL;
if (mpd) {
status = mpd->status;
}
if (options.xterm_title_format && status && song &&
- IS_PLAYING(status->state))
+ mpd_status_get_state(status) == MPD_STATE_PLAY)
strfsong(tmp, BUFSIZE, options.xterm_title_format, song);
else
g_strlcpy(tmp, PACKAGE " version " VERSION, BUFSIZE);
set_xterm_title("%s", title);
}
}
+#endif
static void
exit_and_cleanup(void)
{
screen_exit();
+#ifndef NCMPC_MINI
set_xterm_title("");
+#endif
printf("\n");
if (mpd) {
mpdclient_disconnect(mpd);
mpdclient_free(mpd);
}
+}
+
+static void
+catch_sigint(G_GNUC_UNUSED int sig)
+{
+ g_main_loop_quit(main_loop);
+}
- g_free(options.host);
- g_free(options.password);
- g_free(options.list_format);
- g_free(options.status_format);
- g_free(options.scroll_sep);
- if (timer)
- g_timer_destroy(timer);
+static void
+catch_sigcont(G_GNUC_UNUSED int sig)
+{
+ screen_resize(mpd);
+}
+
+void
+sigstop(void)
+{
+ def_prog_mode(); /* save the tty modes */
+ endwin(); /* end curses mode temporarily */
+ kill(0, SIGSTOP); /* issue SIGSTOP */
+}
+
+static guint timer_sigwinch_id;
+
+static gboolean
+timer_sigwinch(G_GNUC_UNUSED gpointer data)
+{
+ /* the following causes the screen to flicker. There might be
+ better solutions, but I believe it isn't all that
+ important. */
+
+ endwin();
+ refresh();
+ screen_resize(mpd);
+
+ return FALSE;
}
static void
-catch_sigint(mpd_unused int sig)
+catch_sigwinch(G_GNUC_UNUSED int sig)
{
- printf("\n%s\n", _("Exiting..."));
- exit(EXIT_SUCCESS);
+ if (timer_sigwinch_id != 0)
+ g_source_remove(timer_sigwinch_id);
+
+ timer_sigwinch_id = g_timeout_add(100, timer_sigwinch, NULL);
}
+static void
+idle_callback(enum mpd_error error,
+ G_GNUC_UNUSED enum mpd_server_error server_error,
+ const char *message, enum mpd_idle events,
+ G_GNUC_UNUSED void *ctx);
+
+static gboolean
+timer_mpd_update(gpointer data);
static void
-catch_sigcont(mpd_unused int sig)
+enable_update_timer(void)
{
- D("catch_sigcont()\n");
-#ifdef ENABLE_RAW_MODE
- reset_prog_mode(); /* restore tty modes */
- refresh();
+ if (update_source_id != 0)
+ return;
+
+ update_source_id = g_timeout_add(update_interval,
+ timer_mpd_update, NULL);
+}
+
+static void
+disable_update_timer(void)
+{
+ if (update_source_id == 0)
+ return;
+
+ g_source_remove(update_source_id);
+ update_source_id = 0;
+}
+
+static bool
+should_enable_update_timer(void)
+{
+ return (mpdclient_is_connected(mpd) &&
+ (mpd->source == NULL || /* "idle" not supported */
+ (mpd->status != NULL &&
+ mpd_status_get_state(mpd->status) == MPD_STATE_PLAY)))
+#ifndef NCMPC_MINI
+ || options.display_time
#endif
- screen_resize();
+ ;
}
-void
-sigstop(void)
+static void
+auto_update_timer(void)
+{
+ if (should_enable_update_timer())
+ enable_update_timer();
+ else
+ disable_update_timer();
+}
+
+static void
+check_reconnect(void);
+
+static void
+do_mpd_update(void)
+{
+ if (mpdclient_is_connected(mpd) &&
+ (mpd->source == NULL || mpd->events != 0 ||
+ (mpd->status != NULL &&
+ mpd_status_get_state(mpd->status) == MPD_STATE_PLAY)))
+ mpdclient_update(mpd);
+
+#ifndef NCMPC_MINI
+ if (options.enable_xterm_title)
+ update_xterm_title();
+#endif
+
+ screen_update(mpd);
+ mpd->events = 0;
+
+ mpdclient_put_connection(mpd);
+ check_reconnect();
+}
+
+/**
+ * This timer is installed when the connection to the MPD server is
+ * broken. It tries to recover by reconnecting periodically.
+ */
+static gboolean
+timer_reconnect(G_GNUC_UNUSED gpointer data)
+{
+ bool success;
+ struct mpd_connection *connection;
+
+ assert(!mpdclient_is_connected(mpd));
+
+ reconnect_source_id = 0;
+
+ screen_status_printf(_("Connecting to %s... [Press %s to abort]"),
+ options.host, get_key_names(CMD_QUIT,0) );
+ doupdate();
+
+ mpdclient_disconnect(mpd);
+ success = mpdclient_connect(mpd,
+ options.host, options.port,
+ 1.5,
+ options.password);
+ if (!success) {
+ /* try again in 5 seconds */
+ reconnect_source_id = g_timeout_add(5000,
+ timer_reconnect, NULL);
+ return FALSE;
+ }
+
+ connection = mpdclient_get_connection(mpd);
+
+#ifndef NCMPC_MINI
+ /* quit if mpd is pre 0.11.0 - song id not supported by mpd */
+ if (mpd_connection_cmp_server_version(connection, 0, 12, 0) < 0) {
+ const unsigned *version =
+ mpd_connection_get_server_version(connection);
+ screen_status_printf(_("Error: MPD version %d.%d.%d is to old (%s needed)"),
+ version[0], version[1], version[2],
+ "0.12.0");
+ mpdclient_disconnect(mpd);
+ doupdate();
+
+ /* try again after 30 seconds */
+ reconnect_source_id = g_timeout_add(30000,
+ timer_reconnect, NULL);
+ return FALSE;
+ }
+#endif
+
+ if (mpd_connection_cmp_server_version(connection,
+ 0, 14, 0) >= 0)
+ mpd->source = mpd_glib_new(connection,
+ idle_callback, mpd);
+
+ screen_status_printf(_("Connected to %s"),
+ options.host != NULL
+ ? options.host : "localhost");
+ doupdate();
+
+ /* update immediately */
+ mpd->events = MPD_IDLE_DATABASE|MPD_IDLE_STORED_PLAYLIST|
+ MPD_IDLE_QUEUE|MPD_IDLE_PLAYER|MPD_IDLE_MIXER|MPD_IDLE_OUTPUT|
+ MPD_IDLE_OPTIONS|MPD_IDLE_UPDATE;
+
+ do_mpd_update();
+
+ auto_update_timer();
+
+ return FALSE;
+}
+
+static void
+check_reconnect(void)
+{
+ if (!mpdclient_is_connected(mpd) && reconnect_source_id == 0)
+ /* reconnect when the connection is lost */
+ reconnect_source_id = g_timeout_add(1000, timer_reconnect,
+ NULL);
+}
+
+/**
+ * This function is called by the gidle.c library when MPD sends us an
+ * idle event (or when the connectiond dies).
+ */
+static void
+idle_callback(enum mpd_error error, enum mpd_server_error server_error,
+ const char *message, enum mpd_idle events,
+ void *ctx)
+{
+ struct mpdclient *c = ctx;
+ struct mpd_connection *connection;
+
+ c->idle = false;
+
+ connection = mpdclient_get_connection(c);
+ assert(connection != NULL);
+
+ if (error != MPD_ERROR_SUCCESS) {
+ char *allocated;
+
+ if (error == MPD_ERROR_SERVER &&
+ server_error == MPD_SERVER_ERROR_UNKNOWN_CMD) {
+ /* the "idle" command is not supported - fall
+ back to timer based polling */
+ mpd_glib_free(c->source);
+ c->source = NULL;
+ auto_update_timer();
+ return;
+ }
+
+ if (error == MPD_ERROR_SERVER)
+ message = allocated = utf8_to_locale(message);
+ else
+ allocated = NULL;
+ screen_status_message(message);
+ g_free(allocated);
+ screen_bell();
+ doupdate();
+
+ mpdclient_disconnect(c);
+ screen_update(mpd);
+ reconnect_source_id = g_timeout_add(1000, timer_reconnect,
+ NULL);
+ return;
+ }
+
+ c->events |= events;
+ mpdclient_update(c);
+
+#ifndef NCMPC_MINI
+ if (options.enable_xterm_title)
+ update_xterm_title();
+#endif
+
+ screen_update(mpd);
+ c->events = 0;
+
+ mpdclient_put_connection(c);
+ check_reconnect();
+ auto_update_timer();
+}
+
+static gboolean
+timer_mpd_update(G_GNUC_UNUSED gpointer data)
+{
+ do_mpd_update();
+
+ if (should_enable_update_timer())
+ return true;
+ else {
+ update_source_id = 0;
+ return false;
+ }
+}
+
+void begin_input_event(void)
{
- def_prog_mode(); /* save the tty modes */
- endwin(); /* end curses mode temporarily */
- kill(0, SIGSTOP); /* issue SIGSTOP */
}
-#ifndef NDEBUG
-void
-D(const char *format, ...)
+void end_input_event(void)
{
- if( options.debug )
- {
- gchar *msg;
- va_list ap;
-
- va_start(ap,format);
- msg = g_strdup_vprintf(format,ap);
- va_end(ap);
- fprintf(stderr, "%s", msg);
- g_free(msg);
- }
+ screen_update(mpd);
+ mpd->events = 0;
+
+ mpdclient_put_connection(mpd);
+ check_reconnect();
+ auto_update_timer();
+}
+
+int do_input_event(command_t cmd)
+{
+ if (cmd == CMD_QUIT) {
+ g_main_loop_quit(main_loop);
+ return -1;
+ }
+
+ screen_cmd(mpd, cmd);
+
+ if (cmd == CMD_VOLUME_UP || cmd == CMD_VOLUME_DOWN)
+ /* make sure we don't update the volume yet */
+ disable_update_timer();
+
+ return 0;
+}
+
+static gboolean
+keyboard_event(G_GNUC_UNUSED GIOChannel *source,
+ G_GNUC_UNUSED GIOCondition condition,
+ G_GNUC_UNUSED gpointer data)
+{
+ command_t cmd;
+
+ begin_input_event();
+
+ if ((cmd=get_keyboard_command()) != CMD_NONE)
+ if (do_input_event(cmd) != 0)
+ return FALSE;
+
+ end_input_event();
+ return TRUE;
+}
+
+#ifndef NCMPC_MINI
+/**
+ * Check the configured key bindings for errors, and display a status
+ * message every 10 seconds.
+ */
+static gboolean
+timer_check_key_bindings(G_GNUC_UNUSED gpointer data)
+{
+ char buf[256];
+#ifdef ENABLE_KEYDEF_SCREEN
+ char comment[64];
+#endif
+ gboolean key_error;
+
+ key_error = check_key_bindings(NULL, buf, sizeof(buf));
+ if (!key_error) {
+ /* no error: disable this timer for the rest of this
+ process */
+ check_key_bindings_source_id = 0;
+ return FALSE;
+ }
+
+#ifdef ENABLE_KEYDEF_SCREEN
+ g_strchomp(buf);
+ g_strlcat(buf, " (", sizeof(buf));
+ /* to translators: a key was bound twice in the key editor,
+ and this is a hint for the user what to press to correct
+ that */
+ g_snprintf(comment, sizeof(comment), _("press %s for the key editor"),
+ get_key_names(CMD_SCREEN_KEYDEF, 0));
+ g_strlcat(buf, comment, sizeof(buf));
+ g_strlcat(buf, ")", sizeof(buf));
+#endif
+
+ screen_status_printf("%s", buf);
+
+ doupdate();
+ return TRUE;
}
#endif
main(int argc, const char *argv[])
{
struct sigaction act;
+#ifdef ENABLE_LOCALE
const char *charset = NULL;
- gboolean key_error;
+#endif
+ GIOChannel *keyboard_channel;
+#ifdef ENABLE_LIRC
+ int lirc_socket;
+ GIOChannel *lirc_channel = NULL;
+#endif
-#ifdef HAVE_LOCALE_H
+#ifdef ENABLE_LOCALE
/* time and date formatting */
setlocale(LC_TIME,"");
/* care about sorting order etc */
/* charset */
setlocale(LC_CTYPE,"");
/* initialize charset conversions */
- charset_init(g_get_charset(&charset));
- D("charset: %s\n", charset);
-#endif
+ charset = charset_init();
/* initialize i18n support */
+#endif
+
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR);
+#ifdef ENABLE_LOCALE
bind_textdomain_codeset(GETTEXT_PACKAGE, charset);
+#endif
textdomain(GETTEXT_PACKAGE);
#endif
/* parse command line options - 1 pass get configuration files */
options_parse(argc, argv);
+#ifndef NCMPC_MINI
/* read configuration */
- read_configuration(&options);
+ read_configuration();
/* check key bindings */
- key_error = check_key_bindings(NULL, NULL, 0);
+ check_key_bindings(NULL, NULL, 0);
+#endif
/* parse command line options - 2 pass */
options_parse(argc, argv);
}
/* setup signal behavior - SIGTERM */
- sigemptyset(&act.sa_mask);
- act.sa_flags = 0;
+
act.sa_handler = catch_sigint;
if (sigaction(SIGTERM, &act, NULL) < 0) {
perror("sigaction()");
}
/* setup signal behavior - SIGCONT */
- sigemptyset(&act.sa_mask);
- act.sa_flags = 0;
+
act.sa_handler = catch_sigcont;
if (sigaction(SIGCONT, &act, NULL) < 0) {
perror("sigaction(SIGCONT)");
}
/* setup signal behaviour - SIGHUP*/
- sigemptyset(&act.sa_mask);
- act.sa_flags = 0;
+
act.sa_handler = catch_sigint;
if (sigaction(SIGHUP, &act, NULL) < 0) {
perror("sigaction(SIGHUP)");
exit(EXIT_FAILURE);
}
- /* install exit function */
- atexit(exit_and_cleanup);
+ /* setup SIGWINCH */
+
+ act.sa_flags = SA_RESTART;
+ act.sa_handler = catch_sigwinch;
+ if (sigaction(SIGWINCH, &act, NULL) < 0) {
+ perror("sigaction(SIGWINCH)");
+ exit(EXIT_FAILURE);
+ }
+
+ /* ignore SIGPIPE */
+
+ act.sa_handler = SIG_IGN;
+ if (sigaction(SIGPIPE, &act, NULL) < 0) {
+ perror("sigaction(SIGPIPE)");
+ exit(EXIT_FAILURE);
+ }
- ncurses_init();
+ ncu_init();
+#ifdef ENABLE_LYRICS_SCREEN
lyrics_init();
+#endif
- /* connect to our music player daemon */
+ /* create mpdclient instance */
mpd = mpdclient_new();
- if (mpdclient_connect(mpd,
- options.host,
- options.port,
- 10.0,
- options.password))
- exit(EXIT_FAILURE);
+ /* initialize curses */
+ screen_init(mpd);
- /* if no password is used, but the mpd wants one, the connection
- might be established but no status information is avaiable */
- mpdclient_update(mpd);
- if (!mpd->status)
- screen_auth(mpd);
+ /* the main loop */
+ main_loop = g_main_loop_new(NULL, FALSE);
- if (!mpd->status)
- exit(EXIT_FAILURE);
+ /* watch out for keyboard input */
+ keyboard_channel = g_io_channel_unix_new(STDIN_FILENO);
+ g_io_add_watch(keyboard_channel, G_IO_IN, keyboard_event, NULL);
- connected = TRUE;
- D("Connected to MPD version %d.%d.%d\n",
- mpd->connection->version[0],
- mpd->connection->version[1],
- mpd->connection->version[2]);
-
- /* quit if mpd is pre 0.11.0 - song id not supported by mpd */
- if( MPD_VERSION_LT(mpd, 0,11,0) ) {
- fprintf(stderr,
- _("Error: MPD version %d.%d.%d is to old (0.11.0 needed).\n"),
- mpd->connection->version[0],
- mpd->connection->version[1],
- mpd->connection->version[2]);
- exit(EXIT_FAILURE);
+#ifdef ENABLE_LIRC
+ /* watch out for lirc input */
+ lirc_socket = ncmpc_lirc_open();
+ if (lirc_socket >= 0) {
+ lirc_channel = g_io_channel_unix_new(lirc_socket);
+ g_io_add_watch(lirc_channel, G_IO_IN, lirc_event, NULL);
}
+#endif
- /* initialize curses */
- screen_init(mpd);
- /* install error callback function */
- mpdclient_install_error_callback(mpd, error_callback);
+ /* attempt to connect */
+ reconnect_source_id = g_timeout_add(1, timer_reconnect, NULL);
- /* initialize timer */
- timer = g_timer_new();
+ auto_update_timer();
- connected = TRUE;
- while (connected || options.reconnect) {
- static gdouble t = G_MAXDOUBLE;
+#ifndef NCMPC_MINI
+ check_key_bindings_source_id = g_timeout_add(10000, timer_check_key_bindings, NULL);
+#endif
- if (key_error) {
- char buf[BUFSIZE];
+ screen_paint(mpd);
- key_error=check_key_bindings(NULL, buf, BUFSIZE);
- screen_status_printf("%s", buf);
- }
+ g_main_loop_run(main_loop);
- if (connected && (t >= MPD_UPDATE_TIME || mpd->need_update)) {
- mpdclient_update(mpd);
- g_timer_start(timer);
- }
+ /* cleanup */
- if (connected) {
- command_t cmd;
-
- screen_update(mpd);
- if ((cmd=get_keyboard_command()) != CMD_NONE) {
- screen_cmd(mpd, cmd);
- if (cmd == CMD_VOLUME_UP || cmd == CMD_VOLUME_DOWN)
- /* make shure we dont update the volume yet */
- g_timer_start(timer);
- } else
- screen_idle(mpd);
- } else if (options.reconnect) {
- screen_status_printf(_("Connecting to %s... [Press %s to abort]"),
- options.host, get_key_names(CMD_QUIT,0) );
-
- if (get_keyboard_command_with_timeout(MPD_RECONNECT_TIME) == CMD_QUIT)
- exit(EXIT_SUCCESS);
-
- if (mpdclient_connect(mpd,
- options.host, options.port,
- 1.5,
- options.password) == 0) {
- screen_status_printf(_("Connected to %s!"), options.host);
- connected = TRUE;
- }
-
- doupdate();
- }
+ cancel_seek_timer();
- if (options.enable_xterm_title)
- update_xterm_title();
+ disable_update_timer();
- t = g_timer_elapsed(timer, NULL);
- }
- exit(EXIT_FAILURE);
+ if (reconnect_source_id != 0)
+ g_source_remove(reconnect_source_id);
+
+#ifndef NCMPC_MINI
+ if (check_key_bindings_source_id != 0)
+ g_source_remove(check_key_bindings_source_id);
+#endif
+
+ g_main_loop_unref(main_loop);
+ g_io_channel_unref(keyboard_channel);
+
+#ifdef ENABLE_LIRC
+ if (lirc_socket >= 0)
+ g_io_channel_unref(lirc_channel);
+ ncmpc_lirc_close();
+#endif
+
+ exit_and_cleanup();
+
+#ifdef ENABLE_LYRICS_SCREEN
+ lyrics_deinit();
+#endif
+
+ ncu_deinit();
+ options_deinit();
+
+ return 0;
}