X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fmain.c;h=044221024ff11bf1f78947a4ebe7e402edb8670b;hb=23c27e8f5e7e428983b95f65a2e205ad1a632c35;hp=9839234372c05fb87719f8702a78b38211059fd9;hpb=66f34ee6b418742d44f38ec3bdec5a8ea541bfcc;p=ncmpc.git diff --git a/src/main.c b/src/main.c index 9839234..0442210 100644 --- a/src/main.c +++ b/src/main.c @@ -1,5 +1,6 @@ -/* - * (c) 2004 by Kalle Wallin +/* 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 @@ -10,323 +11,509 @@ * 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 "gidle.h" #include "charset.h" #include "options.h" -#include "conf.h" #include "command.h" #include "ncu.h" #include "screen.h" #include "screen_utils.h" +#include "screen_status.h" #include "strfsong.h" #include "i18n.h" -#include "gcc.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 + #include #include +#include #include #include -/* time between mpd updates [s] */ -static const float MPD_UPDATE_TIME = 0.5; +#ifdef ENABLE_LOCALE +#include +#endif -#define BUFSIZE 1024 +/* time between mpd updates [ms] */ +static const guint update_interval = 500; -static const guint idle_interval = 500; +#define BUFSIZE 1024 -static mpdclient_t *mpd = NULL; -static gboolean connected = FALSE; +static struct mpdclient *mpd = NULL; static GMainLoop *main_loop; -static guint reconnect_source_id, idle_source_id, update_source_id; - -static const gchar * -error_msg(const gchar *msg) -{ - gchar *p; - - if ((p = strchr(msg, '}')) == NULL) - return msg; +static guint reconnect_source_id, update_source_id; +static int sigwinch_pipes[2]; - while (p && *p && (*p=='}' || *p==' ')) - p++; - - return p; -} - -static void -error_callback(mpd_unused mpdclient_t *c, gint error, const gchar *msg) -{ - error = error & 0xFF; - 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; song = mpd->song; } + char tmp[BUFSIZE]; 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); + static char title[BUFSIZE]; if (strncmp(title, tmp, BUFSIZE)) { g_strlcpy(title, tmp, 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); } - - g_free(options.host); - g_free(options.password); - g_free(options.list_format); - g_free(options.status_format); - g_free(options.scroll_sep); } +#ifndef WIN32 static void -catch_sigint(mpd_unused int sig) +catch_sigint(gcc_unused int sig) { g_main_loop_quit(main_loop); } static void -catch_sigcont(mpd_unused int sig) +catch_sigcont(gcc_unused int sig) { -#ifdef ENABLE_RAW_MODE - reset_prog_mode(); /* restore tty modes */ - refresh(); -#endif - screen_resize(mpd); + char irrelevant = 'a'; + if (1 != write(sigwinch_pipes[1], &irrelevant, 1)) + exit(EXIT_FAILURE); } void sigstop(void) { - def_prog_mode(); /* save the tty modes */ - endwin(); /* end curses mode temporarily */ - kill(0, SIGSTOP); /* issue SIGSTOP */ + 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(mpd_unused gpointer data) +sigwinch_event(gcc_unused GIOChannel *source, + gcc_unused GIOCondition condition, gcc_unused gpointer data) { - /* the following causes the screen to flicker. There might be - better solutions, but I believe it isn't all that - important. */ + char ignoreme[64]; + if (1 > read(sigwinch_pipes[0], ignoreme, 64)) + exit(EXIT_FAILURE); endwin(); refresh(); screen_resize(mpd); - return FALSE; + return TRUE; } static void -catch_sigwinch(mpd_unused int sig) +catch_sigwinch(gcc_unused int sig) { - if (timer_sigwinch_id != 0) - g_source_remove(timer_sigwinch_id); - - timer_sigwinch_id = g_timeout_add(100, timer_sigwinch, NULL); + char irrelevant = 'a'; + if (1 != write(sigwinch_pipes[1], &irrelevant, 1)) + exit(EXIT_FAILURE); } +#endif /* WIN32 */ + +static void +idle_callback(enum mpd_error error, + gcc_unused enum mpd_server_error server_error, + const char *message, enum mpd_idle events, + gcc_unused void *ctx); static gboolean timer_mpd_update(gpointer data); +static void +enable_update_timer(void) +{ + 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 + ; +} + +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(); +} + +#if LIBMPDCLIENT_CHECK_VERSION(2,4,0) + +static char * +settings_name(const struct mpd_settings *settings) +{ + const char *host = mpd_settings_get_host(settings); + if (host == NULL) + host = _("unknown"); + + if (host[0] == '/') + return g_strdup(host); + + unsigned port = mpd_settings_get_port(settings); + if (port == 0 || port == 6600) + return g_strdup(host); + + return g_strdup_printf("%s:%u", host, port); +} + +#endif + +static char * +default_settings_name(void) +{ +#if LIBMPDCLIENT_CHECK_VERSION(2,4,0) + struct mpd_settings *settings = + mpd_settings_new(options.host, options.port, 0, + NULL, options.password); + if (settings == NULL) + return g_strdup(_("unknown")); + + char *name = settings_name(settings); + mpd_settings_free(settings); + + return name; +#else + /* + * localhost is actually not correct, we only know that + * mpd_connection_new() has connected to the "default host". + */ + const char *name = options.host ?: "localhost"; + return g_strdup(name); +#endif +} + /** * This timer is installed when the connection to the MPD server is * broken. It tries to recover by reconnecting periodically. */ static gboolean -timer_reconnect(mpd_unused gpointer data) +timer_reconnect(gcc_unused gpointer data) { - int ret; + assert(!mpdclient_is_connected(mpd)); - if (connected) - return FALSE; + reconnect_source_id = 0; + char *name = default_settings_name(); screen_status_printf(_("Connecting to %s... [Press %s to abort]"), - options.host, get_key_names(CMD_QUIT,0) ); + name, get_key_names(CMD_QUIT, false)); + g_free(name); doupdate(); mpdclient_disconnect(mpd); - ret = mpdclient_connect(mpd, - options.host, options.port, - 1.5, - options.password); - if (ret != 0) { + if (!mpdclient_connect(mpd, options.host, options.port, + options.timeout_ms, + options.password)) { /* try again in 5 seconds */ - g_timeout_add(5000, timer_reconnect, NULL); + reconnect_source_id = g_timeout_add(5000, + timer_reconnect, NULL); return FALSE; } - /* quit if mpd is pre 0.11.0 - song id not supported by mpd */ - if (MPD_VERSION_LT(mpd, 0, 11, 0)) { - screen_status_printf(_("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]); + struct mpd_connection *connection = mpdclient_get_connection(mpd); + +#ifndef NCMPC_MINI + /* quit if mpd is pre 0.14 - song id not supported by mpd */ + if (mpd_connection_cmp_server_version(connection, 0, 16, 0) < 0) { + const unsigned *version = + mpd_connection_get_server_version(connection); + screen_status_printf(_("Error: MPD version %d.%d.%d is too old (%s needed)"), + version[0], version[1], version[2], + "0.16.0"); mpdclient_disconnect(mpd); doupdate(); /* try again after 30 seconds */ - g_timeout_add(30000, timer_reconnect, NULL); + reconnect_source_id = g_timeout_add(30000, + timer_reconnect, NULL); return FALSE; } +#endif - screen_status_printf(_("Connected to %s!"), options.host); - doupdate(); + mpd->source = mpd_glib_new(connection, + idle_callback, mpd); - connected = TRUE; + screen_status_clear_message(); + doupdate(); /* update immediately */ - g_timeout_add(1, timer_mpd_update, GINT_TO_POINTER(FALSE)); + mpd->events = MPD_IDLE_ALL; + + do_mpd_update(); + + auto_update_timer(); - reconnect_source_id = 0; 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); } -static gboolean -timer_mpd_update(gpointer data) +/** + * This function is called by the gidle.c library when MPD sends us an + * idle event (or when the connection dies). + */ +static void +idle_callback(enum mpd_error error, enum mpd_server_error server_error, + const char *message, enum mpd_idle events, + void *ctx) { - if (connected) - mpdclient_update(mpd); - else if (reconnect_source_id == 0) + struct mpdclient *c = ctx; + + c->idle = false; + + assert(mpdclient_is_connected(c)); + + if (error != MPD_ERROR_SUCCESS) { + 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; + } + + char *allocated; + 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; - return GPOINTER_TO_INT(data); + mpdclient_put_connection(c); + check_reconnect(); + auto_update_timer(); } -/** - * This idle timer is invoked when the user hasn't typed a key for - * 500ms. It is used for delayed seeking. - */ static gboolean -timer_idle(mpd_unused gpointer data) +timer_mpd_update(gcc_unused gpointer data) { - screen_idle(mpd); - return TRUE; + do_mpd_update(); + + if (should_enable_update_timer()) + return true; + else { + update_source_id = 0; + return false; + } } -static gboolean -keyboard_event(mpd_unused GIOChannel *source, - mpd_unused GIOCondition condition, mpd_unused gpointer data) +void begin_input_event(void) { - command_t cmd; - - /* remove the idle timeout; add it later with fresh interval */ - g_source_remove(idle_source_id); +} - if ((cmd=get_keyboard_command()) != CMD_NONE) { - if (cmd == CMD_QUIT) { - g_main_loop_quit(main_loop); - return FALSE; - } +void end_input_event(void) +{ + screen_update(mpd); + mpd->events = 0; - screen_cmd(mpd, cmd); + mpdclient_put_connection(mpd); + check_reconnect(); + auto_update_timer(); +} - if (cmd == CMD_VOLUME_UP || cmd == CMD_VOLUME_DOWN) { - /* make sure we dont update the volume yet */ - g_source_remove(update_source_id); - update_source_id = g_timeout_add((guint)(MPD_UPDATE_TIME * 1000), - timer_mpd_update, - GINT_TO_POINTER(TRUE)); - } +int do_input_event(command_t cmd) +{ + if (cmd == CMD_QUIT) { + g_main_loop_quit(main_loop); + return -1; } - screen_update(mpd); + 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; +} - idle_source_id = g_timeout_add(idle_interval, timer_idle, NULL); +static gboolean +keyboard_event(gcc_unused GIOChannel *source, + gcc_unused GIOCondition condition, + gcc_unused gpointer data) +{ + begin_input_event(); + + command_t cmd = get_keyboard_command(); + if (cmd != 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(mpd_unused gpointer data) +timer_check_key_bindings(gcc_unused gpointer data) { char buf[256]; - gboolean key_error; - key_error = check_key_bindings(NULL, buf, sizeof(buf)); - if (!key_error) + if (check_key_bindings(NULL, buf, sizeof(buf))) { /* 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 */ + char comment[64]; + g_snprintf(comment, sizeof(comment), _("press %s for the key editor"), + get_key_names(CMD_SCREEN_KEYDEF, false)); + g_strlcat(buf, comment, sizeof(buf)); + g_strlcat(buf, ")", sizeof(buf)); +#endif screen_status_printf("%s", buf); + doupdate(); return TRUE; } +#endif int main(int argc, const char *argv[]) { - struct sigaction act; -#ifdef HAVE_LOCALE_H - const char *charset = NULL; +#ifdef ENABLE_LOCALE +#ifndef ENABLE_NLS + gcc_unused #endif - GIOChannel *keyboard_channel; - -#ifdef HAVE_LOCALE_H + const char *charset = NULL; /* time and date formatting */ setlocale(LC_TIME,""); /* care about sorting order etc */ @@ -337,12 +524,15 @@ main(int argc, const char *argv[]) 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); - textdomain(GETTEXT_PACKAGE); #endif + textdomain(GETTEXT_PACKAGE); #endif /* initialize options */ @@ -351,16 +541,20 @@ main(int argc, const char *argv[]) /* parse command line options - 1 pass get configuration files */ options_parse(argc, argv); +#ifndef NCMPC_MINI /* read configuration */ read_configuration(); /* check key bindings */ check_key_bindings(NULL, NULL, 0); +#endif /* parse command line options - 2 pass */ options_parse(argc, argv); +#ifndef WIN32 /* setup signal behavior - SIGINT */ + struct sigaction act; sigemptyset(&act.sa_mask); act.sa_flags = 0; act.sa_handler = catch_sigint; @@ -370,8 +564,7 @@ main(int argc, const char *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()"); @@ -379,8 +572,7 @@ main(int argc, const char *argv[]) } /* 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)"); @@ -388,8 +580,7 @@ main(int argc, const char *argv[]) } /* 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)"); @@ -398,6 +589,7 @@ main(int argc, const char *argv[]) /* setup SIGWINCH */ + act.sa_flags = SA_RESTART; act.sa_handler = catch_sigwinch; if (sigaction(SIGWINCH, &act, NULL) < 0) { perror("sigaction(SIGWINCH)"); @@ -406,12 +598,12 @@ main(int argc, const char *argv[]) /* ignore SIGPIPE */ - act.sa_flags = SA_RESTART; act.sa_handler = SIG_IGN; - if (sigaction(SIGWINCH, &act, NULL) < 0) { - perror("sigaction(SIGWINCH)"); + if (sigaction(SIGPIPE, &act, NULL) < 0) { + perror("sigaction(SIGPIPE)"); exit(EXIT_FAILURE); } +#endif ncu_init(); @@ -421,7 +613,6 @@ main(int argc, const char *argv[]) /* create mpdclient instance */ mpd = mpdclient_new(); - mpdclient_install_error_callback(mpd, error_callback); /* initialize curses */ screen_init(mpd); @@ -430,17 +621,40 @@ main(int argc, const char *argv[]) main_loop = g_main_loop_new(NULL, FALSE); /* watch out for keyboard input */ - keyboard_channel = g_io_channel_unix_new(STDIN_FILENO); + GIOChannel *keyboard_channel = g_io_channel_unix_new(STDIN_FILENO); g_io_add_watch(keyboard_channel, G_IO_IN, keyboard_event, NULL); +#ifdef ENABLE_LIRC + /* watch out for lirc input */ + int lirc_socket = ncmpc_lirc_open(); + GIOChannel *lirc_channel = NULL; + 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 + +#ifndef WIN32 + GIOChannel *sigwinch_channel = NULL; + if (!pipe(sigwinch_pipes) && + !fcntl(sigwinch_pipes[1], F_SETFL, O_NONBLOCK)) { + sigwinch_channel = g_io_channel_unix_new(sigwinch_pipes[0]); + g_io_add_watch(sigwinch_channel, G_IO_IN, sigwinch_event, NULL); + } + else { + perror("sigwinch pipe creation failed"); + exit(EXIT_FAILURE); + } +#endif + /* attempt to connect */ reconnect_source_id = g_timeout_add(1, timer_reconnect, NULL); - update_source_id = g_timeout_add((guint)(MPD_UPDATE_TIME * 1000), - timer_mpd_update, - GINT_TO_POINTER(TRUE)); - g_timeout_add(10000, timer_check_key_bindings, NULL); - idle_source_id = g_timeout_add(idle_interval, timer_idle, NULL); + auto_update_timer(); + +#ifndef NCMPC_MINI + check_key_bindings_source_id = g_timeout_add(10000, timer_check_key_bindings, NULL); +#endif screen_paint(mpd); @@ -448,11 +662,38 @@ main(int argc, const char *argv[]) /* cleanup */ + cancel_seek_timer(); + + disable_update_timer(); + + 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); + g_io_channel_unref(sigwinch_channel); + close(sigwinch_pipes[0]); + close(sigwinch_pipes[1]); + +#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; }