diff --git a/src/main.c b/src/main.c
index 6a6ba34f36bf4ff5c3b9ca8adfe3e8c414a10cfc..a5a803f04104163562c514ffa88e9ab7281e2d44 100644 (file)
--- a/src/main.c
+++ b/src/main.c
-/*
- * $Id$
- *
- * (c) 2004 by Kalle Wallin <kaw@linux.se>
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2017 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 <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <string.h>
-#include <ncurses.h>
-#include <glib.h>
-
#include "config.h"
#include "ncmpc.h"
#include "mpdclient.h"
-#include "support.h"
+#include "callbacks.h"
+#include "charset.h"
#include "options.h"
-#include "conf.h"
#include "command.h"
-#include "src_lyrics.h"
+#include "ncu.h"
#include "screen.h"
-#include "screen_utils.h"
+#include "screen_status.h"
+#include "xterm_title.h"
#include "strfsong.h"
+#include "i18n.h"
+#include "player_command.h"
+#include "keyboard.h"
+#include "lirc.h"
+#include "signals.h"
+
+#ifndef NCMPC_MINI
+#include "conf.h"
+#endif
+
+#ifdef ENABLE_LYRICS_SCREEN
+#include "lyrics.h"
+#endif
+
+#include <mpd/client.h>
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <string.h>
+
+#ifdef ENABLE_LOCALE
+#include <locale.h>
+#endif
+
+/* time between mpd updates [ms] */
+static const guint update_interval = 500;
#define BUFSIZE 1024
-static mpdclient_t *mpd = NULL;
-static gboolean connected = FALSE;
-static GTimer *timer = NULL;
+static struct mpdclient *mpd = NULL;
+static GMainLoop *main_loop;
+static guint reconnect_source_id, update_source_id;
-static const gchar *
-error_msg(const gchar *msg)
+#ifndef NCMPC_MINI
+static guint check_key_bindings_source_id;
+#endif
+
+#ifndef NCMPC_MINI
+static void
+update_xterm_title(void)
{
- gchar *p;
+ const struct mpd_song *song = mpd->song;
+
+ char tmp[BUFSIZE];
+ const char *new_title = NULL;
+ if (options.xterm_title_format && mpd->playing && song)
+ new_title = strfsong(tmp, BUFSIZE, options.xterm_title_format, song) > 0
+ ? tmp
+ : NULL;
+
+ if (new_title == NULL)
+ new_title = PACKAGE " version " VERSION;
+
+ static char title[BUFSIZE];
+ if (strncmp(title, new_title, BUFSIZE)) {
+ g_strlcpy(title, new_title, BUFSIZE);
+ set_xterm_title(title);
+ }
+}
+#endif
- if( (p=strchr(msg, '}' )) == NULL )
- return msg;
- while( p && *p && (*p=='}' || *p==' ') )
- p++;
+static gboolean
+timer_mpd_update(gpointer data);
- return p;
+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
-error_callback(mpdclient_t *c, gint error, const gchar *msg)
+disable_update_timer(void)
{
- gint code = GET_ACK_ERROR_CODE(error);
-
- error = error & 0xFF;
- D("Error [%d:%d]> \"%s\"\n", error, code, 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;
- }
+ if (update_source_id == 0)
+ return;
+
+ g_source_remove(update_source_id);
+ update_source_id = 0;
}
-static void
-update_xterm_title(void)
+static bool
+should_enable_update_timer(void)
{
- static char title[BUFSIZE];
- char tmp[BUFSIZE];
- mpd_Status *status = NULL;
- mpd_Song *song = NULL;
-
- if( mpd )
- {
- status = mpd->status;
- song = mpd->song;
- }
-
- if(options.xterm_title_format && status && song && IS_PLAYING(status->state))
- {
- strfsong(tmp, BUFSIZE, options.xterm_title_format, song);
- }
- else
- g_strlcpy(tmp, PACKAGE " version " VERSION, BUFSIZE);
-
- if( strncmp(title,tmp,BUFSIZE) )
- {
- g_strlcpy(title, tmp, BUFSIZE);
- set_xterm_title("%s", title);
- }
+ return mpd->playing;
}
static void
-exit_and_cleanup(void)
+auto_update_timer(void)
{
- screen_exit();
- set_xterm_title("");
- printf("\n");
- if( mpd )
- {
- mpdclient_disconnect(mpd);
- 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);
- if( timer )
- g_timer_destroy(timer);
+ if (should_enable_update_timer())
+ enable_update_timer();
+ else
+ disable_update_timer();
}
static void
-catch_sigint( int sig )
+do_mpd_update(void)
+{
+ if (mpdclient_is_connected(mpd) &&
+ (mpd->events != 0 || mpd->playing))
+ mpdclient_update(mpd);
+
+#ifndef NCMPC_MINI
+ if (options.enable_xterm_title)
+ update_xterm_title();
+#endif
+
+ screen_update(mpd);
+ mpd->events = 0;
+}
+
+static char *
+settings_name(const struct mpd_settings *settings)
{
- printf("\n%s\n", _("Exiting..."));
- exit(EXIT_SUCCESS);
+ 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);
}
+static char *
+default_settings_name(void)
+{
+ struct mpd_settings *settings =
+ mpd_settings_new(options.host, options.port, 0,
+ NULL, options.password);
+ if (settings == NULL)
+ return g_strdup(_("unknown"));
-static void
-catch_sigcont( int sig )
+ char *name = settings_name(settings);
+ mpd_settings_free(settings);
+
+ return name;
+}
+
+/**
+ * This timer is installed when the connection to the MPD server is
+ * broken. It tries to recover by reconnecting periodically.
+ */
+static gboolean
+timer_reconnect(gcc_unused gpointer data)
{
- D("catch_sigcont()\n");
-#ifdef ENABLE_RAW_MODE
- reset_prog_mode(); /* restore tty modes */
- refresh();
+ assert(mpdclient_is_dead(mpd));
+
+ reconnect_source_id = 0;
+
+ char *name = default_settings_name();
+ screen_status_printf(_("Connecting to %s... [Press %s to abort]"),
+ name, get_key_names(CMD_QUIT, false));
+ g_free(name);
+ doupdate();
+
+ mpdclient_connect(mpd);
+
+ return FALSE;
+}
+
+void
+mpdclient_connected_callback(void)
+{
+ assert(reconnect_source_id == 0);
+
+#ifndef NCMPC_MINI
+ /* quit if mpd is pre 0.14 - song id not supported by mpd */
+ struct mpd_connection *connection = mpdclient_get_connection(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 */
+ reconnect_source_id =
+ g_timeout_add_seconds(30, timer_reconnect, NULL);
+ return;
+ }
#endif
- screen_resize();
+
+ screen_status_clear_message();
+ doupdate();
+
+ /* update immediately */
+ mpd->events = MPD_IDLE_ALL;
+
+ do_mpd_update();
+
+ auto_update_timer();
}
void
-sigstop(void)
+mpdclient_failed_callback(void)
{
- def_prog_mode(); /* save the tty modes */
- endwin(); /* end curses mode temporarily */
- kill(0, SIGSTOP); /* issue SIGSTOP */
+ assert(reconnect_source_id == 0);
+
+ /* try again in 5 seconds */
+ reconnect_source_id = g_timeout_add_seconds(5, timer_reconnect, NULL);
}
-#ifndef NDEBUG
-void
-D(const char *format, ...)
+void
+mpdclient_lost_callback(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);
- }
+ assert(reconnect_source_id == 0);
+
+ screen_update(mpd);
+
+ reconnect_source_id = g_timeout_add_seconds(1, timer_reconnect, NULL);
+}
+
+/**
+ * This function is called by the gidle.c library when MPD sends us an
+ * idle event (or when the connection dies).
+ */
+void
+mpdclient_idle_callback(gcc_unused enum mpd_idle events)
+{
+#ifndef NCMPC_MINI
+ if (options.enable_xterm_title)
+ update_xterm_title();
+#endif
+
+ screen_update(mpd);
+ auto_update_timer();
+}
+
+static gboolean
+timer_mpd_update(gcc_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)
+{
+}
+
+void end_input_event(void)
+{
+ screen_update(mpd);
+ mpd->events = 0;
+
+ auto_update_timer();
+}
+
+bool
+do_input_event(command_t cmd)
+{
+ if (cmd == CMD_QUIT) {
+ g_main_loop_quit(main_loop);
+ return false;
+ }
+
+ 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 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(gcc_unused gpointer data)
+{
+ char buf[256];
+
+ 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[])
{
- options_t *options;
- struct sigaction act;
+#ifdef ENABLE_LOCALE
+#ifndef ENABLE_NLS
+ gcc_unused
+#endif
const char *charset = NULL;
- gboolean key_error;
-
-#ifdef HAVE_LOCALE_H
/* 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
/* initialize options */
- options = options_init();
+ options_init();
/* 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 - SIGINT */
- sigemptyset( &act.sa_mask );
- act.sa_flags = 0;
- act.sa_handler = catch_sigint;
- if( sigaction(SIGINT, &act, NULL)<0 ) {
- perror("signal");
- exit(EXIT_FAILURE);
- }
-
- /* 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()");
- exit(EXIT_FAILURE);
- }
+ ncu_init();
- /* 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)");
- exit(EXIT_FAILURE);
- }
-
- /* 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);
- }
+#ifdef ENABLE_LYRICS_SCREEN
+ lyrics_init();
+#endif
- /* install exit function */
- atexit(exit_and_cleanup);
-
- ncurses_init();
-
- src_lyr_init ();
-
- /* connect to our music player daemon */
- mpd = mpdclient_new();
-
- if (mpdclient_connect(mpd,
- options->host,
- options->port,
- 10.0,
- options->password))
- exit(EXIT_FAILURE);
-
- /* 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);
-
- if (!mpd->status)
- exit(EXIT_FAILURE);
-
- 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);
- }
+ /* create mpdclient instance */
+ mpd = mpdclient_new(options.host, options.port,
+ options.timeout_ms,
+ options.password);
/* initialize curses */
screen_init(mpd);
- /* install error callback function */
- mpdclient_install_error_callback(mpd, error_callback);
-
- /* initialize timer */
- timer = g_timer_new();
-
- connected = TRUE;
- while (connected || options->reconnect) {
- static gdouble t = G_MAXDOUBLE;
-
- if( key_error ) {
- char buf[BUFSIZE];
-
- key_error=check_key_bindings(NULL, buf, BUFSIZE);
- screen_status_printf("%s", buf);
- }
-
- if( connected && (t>=MPD_UPDATE_TIME || mpd->need_update) ) {
- mpdclient_update(mpd);
- g_timer_start(timer);
- }
-
- 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();
- }
-
- if (options->enable_xterm_title)
- update_xterm_title();
-
- t = g_timer_elapsed(timer, NULL);
- }
- exit(EXIT_FAILURE);
-}
+ /* the main loop */
+ main_loop = g_main_loop_new(NULL, FALSE);
+
+ /* watch out for keyboard input */
+ keyboard_init();
+
+ /* watch out for lirc input */
+ ncmpc_lirc_init();
+
+ signals_init(main_loop, mpd);
+
+ /* attempt to connect */
+ reconnect_source_id = g_idle_add(timer_reconnect, NULL);
+
+ auto_update_timer();
+
+#ifndef NCMPC_MINI
+ check_key_bindings_source_id =
+ g_timeout_add_seconds(10, timer_check_key_bindings, NULL);
+#endif
+
+ screen_paint(mpd, true);
+
+ g_main_loop_run(main_loop);
+ g_main_loop_unref(main_loop);
+
+ /* 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
+
+ signals_deinit();
+ ncmpc_lirc_deinit();
+
+ screen_exit();
+#ifndef NCMPC_MINI
+ set_xterm_title("");
+#endif
+ printf("\n");
+
+ mpdclient_free(mpd);
+
+#ifdef ENABLE_LYRICS_SCREEN
+ lyrics_deinit();
+#endif
+
+ ncu_deinit();
+ options_deinit();
+
+ return 0;
+}