X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fmain.c;h=26ab45896b9f36fc408f0f8a24f44e1c52854c0d;hb=86a2786d1dce581639b4f4793cb59ad28bf6e3f0;hp=f2a0e3d29a729e2016a7a5b035dceaf51c558ce4;hpb=539be061ff11cb2e095393e2e478c5a50979b3bd;p=ncmpc.git

diff --git a/src/main.c b/src/main.c
index f2a0e3d..26ab458 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,6 +1,4 @@
-/* 
- * $Id$
- *
+/*
  * (c) 2004 by Kalle Wallin <kaw@linux.se>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -18,249 +16,500 @@
  *
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <string.h>
-#include <glib.h>
-
 #include "config.h"
 #include "ncmpc.h"
 #include "mpdclient.h"
-#include "support.h"
+#include "charset.h"
 #include "options.h"
-#include "conf.h"
 #include "command.h"
+#include "ncu.h"
 #include "screen.h"
 #include "screen_utils.h"
+#include "strfsong.h"
+#include "i18n.h"
+#include "gcc.h"
+
+#ifndef NCMPC_MINI
+#include "conf.h"
+#endif
+
+#ifdef ENABLE_LYRICS_SCREEN
+#include "lyrics.h"
+#endif
+
+#ifdef ENABLE_LIRC
+#include "lirc.h"
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
 
-#define BUFSIZE 256
+/* time between mpd updates [s] */
+static const guint update_interval = 500;
 
-static mpdclient_t   *mpd = NULL;
+#define BUFSIZE 1024
+
+static const guint idle_interval = 500;
+
+static mpdclient_t *mpd = NULL;
 static gboolean connected = FALSE;
-static GTimer      *timer = NULL;
+static GMainLoop *main_loop;
+static guint reconnect_source_id, idle_source_id, update_source_id;
 
-static gchar *
-error_msg(gchar *msg)
+static const gchar *
+error_msg(const gchar *msg)
 {
-  gchar *p;
+	gchar *p;
+
+	if ((p = strchr(msg, '}')) == NULL)
+		return msg;
 
-  if( (p=strchr(msg, '}' )) == NULL )
-    return msg;
-  while( p && *p && (*p=='}' || *p==' ') )
-    p++;
+	do {
+		p++;
+	} while (*p == '}' || * p== ' ');
 
-  return p;
+	return p;
 }
 
 static void
-error_callback(mpdclient_t *c, gint error, gchar *msg)
+error_callback(mpd_unused mpdclient_t *c, gint error, const gchar *_msg)
 {
-  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;
-    }
+	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);
 }
 
-void
+#ifndef NCMPC_MINI
+static void
+update_xterm_title(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);
+	}
+}
+#endif
+
+static void
 exit_and_cleanup(void)
 {
-  screen_exit();
-  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);
-  if( timer )
-    g_timer_destroy(timer);
+	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);
+#ifndef NCMPC_MINI
+	g_free(options.scroll_sep);
+#endif
+}
+
+static void
+catch_sigint(mpd_unused int sig)
+{
+	g_main_loop_quit(main_loop);
+}
+
+
+static void
+catch_sigcont(mpd_unused int sig)
+{
+	screen_resize(mpd);
 }
 
 void
-catch_sigint( int sig )
+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(mpd_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_sigwinch(mpd_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);
 }
 
-int 
+static gboolean
+timer_mpd_update(gpointer data);
+
+/**
+ * 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)
+{
+	int ret;
+
+	if (connected)
+		return FALSE;
+
+	screen_status_printf(_("Connecting to %s...  [Press %s to abort]"),
+			     options.host, get_key_names(CMD_QUIT,0) );
+	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;
+	}
+
+#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 (0.11.0 needed).\n"),
+				     mpd->connection->version[0],
+				     mpd->connection->version[1],
+				     mpd->connection->version[2]);
+		mpdclient_disconnect(mpd);
+		doupdate();
+
+		/* try again after 30 seconds */
+		g_timeout_add(30000, timer_reconnect, NULL);
+		return FALSE;
+	}
+#endif
+
+	screen_status_printf(_("Connected to %s!"), options.host);
+	doupdate();
+
+	connected = TRUE;
+
+	/* update immediately */
+	g_timeout_add(1, timer_mpd_update, GINT_TO_POINTER(FALSE));
+
+	reconnect_source_id = 0;
+	return FALSE;
+
+}
+
+static gboolean
+timer_mpd_update(gpointer data)
+{
+	if (connected)
+		mpdclient_update(mpd);
+	else if (reconnect_source_id == 0)
+		reconnect_source_id = g_timeout_add(1000, timer_reconnect,
+						    NULL);
+
+#ifndef NCMPC_MINI
+	if (options.enable_xterm_title)
+		update_xterm_title();
+#endif
+
+	screen_update(mpd);
+
+	return GPOINTER_TO_INT(data);
+}
+
+/**
+ * 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)
+{
+	screen_idle(mpd);
+	return TRUE;
+}
+
+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);
+
+	idle_source_id = g_timeout_add(idle_interval, timer_idle, NULL);
+}
+
+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 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));
+	}
+
+	return 0;
+}
+
+static gboolean
+keyboard_event(mpd_unused GIOChannel *source,
+	       mpd_unused GIOCondition condition, mpd_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(mpd_unused gpointer data)
+{
+	char buf[256];
+	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 */
+		return FALSE;
+
+	screen_status_printf("%s", buf);
+	doupdate();
+	return TRUE;
+}
+#endif
+
+int
 main(int argc, const char *argv[])
 {
-  options_t *options;
-  struct sigaction act;
-  const char *charset = NULL;
-  gboolean key_error;
-
-#ifdef HAVE_LOCALE_H
-  /* time and date formatting */
-  setlocale(LC_TIME,"");
-  /* charset */
-  setlocale(LC_CTYPE,"");
-  /* initialize charset conversions */
-  charset_init(g_get_charset(&charset));
-  D("charset: %s\n", charset);
+	struct sigaction act;
+#if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
+	const char *charset = NULL;
+#endif
+	GIOChannel *keyboard_channel;
+#ifdef ENABLE_LIRC
+	int lirc_socket;
+	GIOChannel *lirc_channel = NULL;
 #endif
 
-  /* initialize i18n support */
+#if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
+	/* time and date formatting */
+	setlocale(LC_TIME,"");
+	/* care about sorting order etc */
+	setlocale(LC_COLLATE,"");
+	/* charset */
+	setlocale(LC_CTYPE,"");
+	/* initialize charset conversions */
+	charset = charset_init();
+
+	/* initialize i18n support */
 #ifdef ENABLE_NLS
-  setlocale(LC_MESSAGES, "");
-  bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR);
-  bind_textdomain_codeset(GETTEXT_PACKAGE, charset);
-  textdomain(GETTEXT_PACKAGE);
+	setlocale(LC_MESSAGES, "");
+	bindtextdomain(GETTEXT_PACKAGE, LOCALE_DIR);
+	bind_textdomain_codeset(GETTEXT_PACKAGE, charset);
+	textdomain(GETTEXT_PACKAGE);
+#endif
 #endif
 
-  /* initialize options */
-  options = options_init();
-
-  /* parse command line options - 1 pass get configuration files */
-  options_parse(argc, argv);
-  
-  /* read configuration */
-  read_configuration(options);
-
-  /* check key bindings */
-  key_error = check_key_bindings(NULL, 0);
-  
-  /* 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);
-    }
-
-  /* set xterm title */
-#ifdef DEBUG
-  options->enable_xterm_title = 1;
-  set_xterm_title(PACKAGE " version " VERSION);
+	/* initialize options */
+	options_init();
+
+	/* parse command line options - 1 pass get configuration files */
+	options_parse(argc, argv);
+
+	/* read configuration */
+#ifndef NCMPC_MINI
+	read_configuration();
 #endif
 
-  /* install exit function */
-  atexit(exit_and_cleanup);
-
-  /* connect to our music player daemon */
-  mpd = mpdclient_new();
-  if( mpdclient_connect(mpd, 
-			options->host, 
-			options->port, 
-			10.0, 
-			options->password) )
-    {
-      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]);
-
-  if( !MPD_VERSION(mpd, 0,11,0) )
-    {
-      fprintf(stderr, "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);
-    }
-
-  /* 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(buf, BUFSIZE);
-	  screen_status_printf("%s", buf);
+	/* check key bindings */
+	check_key_bindings(NULL, NULL, 0);
+
+	/* 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);
 	}
 
-      if( connected && (t>=MPD_UPDATE_TIME || mpd->need_update) )
-	{
-	  mpdclient_update(mpd);
-	  g_timer_start(timer);
+	/* setup signal behavior - SIGTERM */
+
+	act.sa_handler = catch_sigint;
+	if (sigaction(SIGTERM, &act, NULL) < 0) {
+		perror("sigaction()");
+		exit(EXIT_FAILURE);
 	}
 
-      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);
+	/* setup signal behavior - SIGCONT */
+
+	act.sa_handler = catch_sigcont;
+	if (sigaction(SIGCONT, &act, NULL) < 0) {
+		perror("sigaction(SIGCONT)");
+		exit(EXIT_FAILURE);
 	}
-      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();
+
+	/* setup signal behaviour - SIGHUP*/
+
+	act.sa_handler = catch_sigint;
+	if (sigaction(SIGHUP, &act, NULL) < 0) {
+		perror("sigaction(SIGHUP)");
+		exit(EXIT_FAILURE);
 	}
 
-      t = g_timer_elapsed(timer, NULL);
-    }
-  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
+	lyrics_init();
+#endif
+
+	/* create mpdclient instance */
+	mpd = mpdclient_new();
+	mpdclient_install_error_callback(mpd, error_callback);
+
+	/* initialize curses */
+	screen_init(mpd);
+
+	/* the main loop */
+	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);
+
+#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
+
+	/* attempt to connect */
+	reconnect_source_id = g_timeout_add(1, timer_reconnect, NULL);
+
+	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);
+#endif
+	idle_source_id = g_timeout_add(idle_interval, timer_idle, NULL);
+
+	screen_paint(mpd);
+
+	g_main_loop_run(main_loop);
+
+	/* cleanup */
+
+	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();
+	ncu_deinit();
+
+	return 0;
 }