![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/main.c b/src/main.c
index 67901371e7e1c721fe798c0612fc40f5e507a25a..8bfa03a86cff4bc8c0e9e06a55f7660b13159bf1 100644 (file)
--- a/src/main.c
+++ b/src/main.c
-/*
- * (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 "config.h"
#include "ncmpc.h"
#include "mpdclient.h"
+#include "callbacks.h"
#include "charset.h"
#include "options.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 "player_command.h"
+#include "keyboard.h"
+#include "lirc.h"
+#include "signals.h"
#ifndef NCMPC_MINI
#include "conf.h"
#include "lyrics.h"
#endif
-#ifdef ENABLE_LIRC
-#include "lirc.h"
-#endif
+#include <mpd/client.h>
#include <stdlib.h>
#include <unistd.h>
+#include <fcntl.h>
#include <signal.h>
#include <string.h>
-/* time between mpd updates [s] */
+#ifdef ENABLE_LOCALE
+#include <locale.h>
+#endif
+
+/* time between mpd updates [ms] */
static const guint update_interval = 500;
#define BUFSIZE 1024
-static const guint idle_interval = 500;
-
-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;
-
- do {
- p++;
- } while (*p == '}' || * p== ' ');
+static guint reconnect_source_id, update_source_id;
- return p;
-}
-
-static void
-error_callback(G_GNUC_UNUSED mpdclient_t *c, gint error, const gchar *_msg)
-{
- char *msg = utf8_to_locale(_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;
- }
-
- g_free(msg);
-}
+#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;
+ const struct mpd_song *song = mpd->song;
- if (mpd) {
- status = mpd->status;
- song = mpd->song;
- }
-
- if (options.xterm_title_format && status && song &&
- IS_PLAYING(status->state))
+ char tmp[BUFSIZE];
+ if (options.xterm_title_format && mpd->playing && song)
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 gboolean
+timer_mpd_update(gpointer data);
+
static void
-exit_and_cleanup(void)
+enable_update_timer(void)
{
- screen_exit();
-#ifndef NCMPC_MINI
- set_xterm_title("");
-#endif
- printf("\n");
-
- if (mpd) {
- mpdclient_disconnect(mpd);
- mpdclient_free(mpd);
- }
+ if (update_source_id != 0)
+ return;
- g_free(options.host);
- g_free(options.password);
- g_free(options.list_format);
- g_free(options.status_format);
-#ifndef NCMPC_MINI
- g_free(options.scroll_sep);
-#endif
+ update_source_id = g_timeout_add(update_interval,
+ timer_mpd_update, NULL);
}
static void
-catch_sigint(G_GNUC_UNUSED int sig)
+disable_update_timer(void)
{
- g_main_loop_quit(main_loop);
+ if (update_source_id == 0)
+ return;
+
+ g_source_remove(update_source_id);
+ update_source_id = 0;
}
+static bool
+should_enable_update_timer(void)
+{
+ return mpd->playing
+#ifndef NCMPC_MINI
+ || options.display_time
+#endif
+ ;
+}
static void
-catch_sigcont(G_GNUC_UNUSED int sig)
+auto_update_timer(void)
{
- screen_resize(mpd);
+ if (should_enable_update_timer())
+ enable_update_timer();
+ else
+ disable_update_timer();
}
-void
-sigstop(void)
+static void
+do_mpd_update(void)
{
- def_prog_mode(); /* save the tty modes */
- endwin(); /* end curses mode temporarily */
- kill(0, SIGSTOP); /* issue SIGSTOP */
-}
+ if (mpdclient_is_connected(mpd) &&
+ (mpd->events != 0 || mpd->playing))
+ mpdclient_update(mpd);
-static guint timer_sigwinch_id;
+#ifndef NCMPC_MINI
+ if (options.enable_xterm_title)
+ update_xterm_title();
+#endif
-static gboolean
-timer_sigwinch(G_GNUC_UNUSED gpointer data)
+ screen_update(mpd);
+ mpd->events = 0;
+}
+
+static char *
+settings_name(const struct mpd_settings *settings)
{
- /* the following causes the screen to flicker. There might be
- better solutions, but I believe it isn't all that
- important. */
+ const char *host = mpd_settings_get_host(settings);
+ if (host == NULL)
+ host = _("unknown");
- endwin();
- refresh();
- screen_resize(mpd);
+ if (host[0] == '/')
+ return g_strdup(host);
- return FALSE;
+ 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 void
-catch_sigwinch(G_GNUC_UNUSED int sig)
+static char *
+default_settings_name(void)
{
- if (timer_sigwinch_id != 0)
- g_source_remove(timer_sigwinch_id);
+ struct mpd_settings *settings =
+ mpd_settings_new(options.host, options.port, 0,
+ NULL, options.password);
+ if (settings == NULL)
+ return g_strdup(_("unknown"));
- timer_sigwinch_id = g_timeout_add(100, timer_sigwinch, NULL);
-}
+ char *name = settings_name(settings);
+ mpd_settings_free(settings);
-static gboolean
-timer_mpd_update(gpointer data);
+ 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(G_GNUC_UNUSED gpointer data)
+timer_reconnect(gcc_unused gpointer data)
{
- int ret;
+ assert(mpdclient_is_dead(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) {
- /* try again in 5 seconds */
- g_timeout_add(5000, timer_reconnect, NULL);
- return FALSE;
- }
+ mpdclient_connect(mpd);
+
+ return FALSE;
+}
+
+void
+mpdclient_connected_callback(void)
+{
+ assert(reconnect_source_id == 0);
#ifndef NCMPC_MINI
- /* 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 (%s needed)"),
- mpd->connection->version[0],
- mpd->connection->version[1],
- mpd->connection->version[2],
- "0.11.0");
+ /* 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 */
- g_timeout_add(30000, timer_reconnect, NULL);
- return FALSE;
+ reconnect_source_id = g_timeout_add(30000,
+ timer_reconnect, NULL);
+ return;
}
#endif
- screen_status_printf(_("Connected to %s"), options.host);
+ screen_status_clear_message();
doupdate();
- connected = TRUE;
-
/* update immediately */
- g_timeout_add(1, timer_mpd_update, GINT_TO_POINTER(FALSE));
+ mpd->events = MPD_IDLE_ALL;
- reconnect_source_id = 0;
- return FALSE;
+ do_mpd_update();
+ auto_update_timer();
}
-static gboolean
-timer_mpd_update(gpointer data)
+void
+mpdclient_failed_callback(void)
{
- if (connected)
- mpdclient_update(mpd);
- else if (reconnect_source_id == 0)
- reconnect_source_id = g_timeout_add(1000, timer_reconnect,
- NULL);
+ assert(reconnect_source_id == 0);
+
+ /* try again in 5 seconds */
+ reconnect_source_id = g_timeout_add(5000,
+ timer_reconnect, NULL);
+}
+
+void
+mpdclient_lost_callback(void)
+{
+ assert(reconnect_source_id == 0);
+
+ screen_update(mpd);
+ 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 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);
-
- return GPOINTER_TO_INT(data);
+ 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(G_GNUC_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;
+ }
}
void begin_input_event(void)
{
- /* remove the idle timeout; add it later with fresh interval */
- g_source_remove(idle_source_id);
}
void end_input_event(void)
{
screen_update(mpd);
+ mpd->events = 0;
- idle_source_id = g_timeout_add(idle_interval, timer_idle, NULL);
+ auto_update_timer();
}
-int do_input_event(command_t cmd)
+bool
+do_input_event(command_t cmd)
{
if (cmd == CMD_QUIT) {
g_main_loop_quit(main_loop);
- return -1;
+ return false;
}
screen_cmd(mpd, cmd);
- 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(update_interval,
- timer_mpd_update,
- GINT_TO_POINTER(TRUE));
- }
+ 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;
+ return true;
}
#ifndef NCMPC_MINI
* message every 10 seconds.
*/
static gboolean
-timer_check_key_bindings(G_GNUC_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;
}
int
main(int argc, const char *argv[])
{
- struct sigaction act;
-#if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
- const char *charset = NULL;
+#ifdef ENABLE_LOCALE
+#ifndef ENABLE_NLS
+ gcc_unused
#endif
- GIOChannel *keyboard_channel;
-#ifdef ENABLE_LIRC
- int lirc_socket;
- GIOChannel *lirc_channel = NULL;
-#endif
-
-#if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
+ const char *charset = NULL;
/* time and date formatting */
setlocale(LC_TIME,"");
/* care about sorting order etc */
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 */
/* 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 */
-
- act.sa_handler = catch_sigint;
- if (sigaction(SIGTERM, &act, NULL) < 0) {
- perror("sigaction()");
- exit(EXIT_FAILURE);
- }
-
- /* setup signal behavior - SIGCONT */
-
- act.sa_handler = catch_sigcont;
- if (sigaction(SIGCONT, &act, NULL) < 0) {
- perror("sigaction(SIGCONT)");
- exit(EXIT_FAILURE);
- }
-
- /* setup signal behaviour - SIGHUP*/
-
- act.sa_handler = catch_sigint;
- if (sigaction(SIGHUP, &act, NULL) < 0) {
- perror("sigaction(SIGHUP)");
- exit(EXIT_FAILURE);
- }
-
- /* 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);
- }
-
ncu_init();
#ifdef ENABLE_LYRICS_SCREEN
#endif
/* create mpdclient instance */
- mpd = mpdclient_new();
- mpdclient_install_error_callback(mpd, error_callback);
+ mpd = mpdclient_new(options.host, options.port,
+ options.timeout_ms,
+ options.password);
/* initialize curses */
screen_init(mpd);
main_loop = g_main_loop_new(NULL, FALSE);
/* 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);
+ keyboard_init();
-#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
+ ncmpc_lirc_init();
+
+ signals_init(main_loop, mpd);
/* attempt to connect */
- reconnect_source_id = g_timeout_add(1, timer_reconnect, NULL);
+ reconnect_source_id = g_idle_add(timer_reconnect, NULL);
+
+ auto_update_timer();
- update_source_id = g_timeout_add(update_interval,
- timer_mpd_update,
- GINT_TO_POINTER(TRUE));
#ifndef NCMPC_MINI
- g_timeout_add(10000, timer_check_key_bindings, NULL);
+ check_key_bindings_source_id = g_timeout_add(10000, timer_check_key_bindings, NULL);
#endif
- idle_source_id = g_timeout_add(idle_interval, timer_idle, NULL);
screen_paint(mpd);
g_main_loop_run(main_loop);
+ g_main_loop_unref(main_loop);
/* cleanup */
- g_main_loop_unref(main_loop);
- g_io_channel_unref(keyboard_channel);
+ cancel_seek_timer();
+
+ disable_update_timer();
-#ifdef ENABLE_LIRC
- if (lirc_socket >= 0)
- g_io_channel_unref(lirc_channel);
- ncmpc_lirc_close();
+ 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
- exit_and_cleanup();
+ 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;
}