mirror of
https://github.com/Llewellynvdm/conky.git
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c2eb77c3f0
The decision about whether to print ASCII or X11 bar is done from within specials.c, so all those #ifdef + if () blocks can be dropped. This also implicitly enables the ASCII bar for some bar printing objects which where forgotten before.
417 lines
9.8 KiB
C
417 lines
9.8 KiB
C
/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
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* vim: ts=4 sw=4 noet ai cindent syntax=c
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*
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* Conky, a system monitor, based on torsmo
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*
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* Any original torsmo code is licensed under the BSD license
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*
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* All code written since the fork of torsmo is licensed under the GPL
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*
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* Please see COPYING for details
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*
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* Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
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* (see AUTHORS)
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "conky.h"
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#include "logging.h"
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#include "timed_thread.h"
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#include "timeinfo.h"
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#include "libmpdclient.h"
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#include "mpd.h"
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/* server connection data */
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static char mpd_host[128];
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static char mpd_password[128];
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static int mpd_port;
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/* this is >0 if the current password was set from MPD_HOST */
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static int mpd_environment_password = 0;
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/* global mpd information */
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static struct mpd_s mpd_info;
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/* number of users of the above struct */
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static int refcount = 0;
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void mpd_set_host(const char *host)
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{
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snprintf(mpd_host, 128, "%s", host);
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if (mpd_environment_password) {
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/* for security, dont use environment password when user specifies host in config */
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mpd_clear_password();
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}
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}
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void mpd_set_password(const char *password, int from_environment)
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{
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snprintf(mpd_password, 128, "%s", password);
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mpd_environment_password = from_environment;
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}
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void mpd_clear_password(void)
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{
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*mpd_password = '\0';
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mpd_environment_password = 0;
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}
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int mpd_set_port(const char *port)
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{
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int val;
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val = strtol(port, 0, 0);
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if (val < 1 || val > 0xffff)
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return 1;
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mpd_port = val;
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return 0;
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}
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void init_mpd(void)
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{
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if (!(refcount++)) /* first client */
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memset(&mpd_info, 0, sizeof(struct mpd_s));
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refcount++;
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}
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struct mpd_s *mpd_get_info(void)
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{
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return &mpd_info;
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}
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static void clear_mpd(void)
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{
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#define xfree(x) if (x) free(x)
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xfree(mpd_info.title);
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xfree(mpd_info.artist);
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xfree(mpd_info.album);
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/* do not free() the const char *status! */
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/* do not free() the const char *random! */
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/* do not free() the const char *repeat! */
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xfree(mpd_info.track);
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xfree(mpd_info.name);
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xfree(mpd_info.file);
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#undef xfree
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memset(&mpd_info, 0, sizeof(struct mpd_s));
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}
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void free_mpd(void)
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{
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if (!(--refcount)) /* last client */
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clear_mpd();
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}
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static void *update_mpd_thread(void *) __attribute__((noreturn));
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void update_mpd(void)
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{
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int interval;
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static timed_thread *thread = NULL;
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if (thread)
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return;
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interval = info.music_player_interval * 1000000;
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thread = timed_thread_create(&update_mpd_thread, &thread, interval);
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if (!thread) {
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NORM_ERR("Failed to create MPD timed thread");
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return;
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}
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timed_thread_register(thread, &thread);
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if (timed_thread_run(thread))
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NORM_ERR("Failed to run MPD timed thread");
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}
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/* stringMAXdup dups at most text_buffer_size bytes */
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#define strmdup(x) strndup(x, text_buffer_size - 1)
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static void *update_mpd_thread(void *arg)
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{
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static mpd_Connection *conn = NULL;
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mpd_Status *status;
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mpd_InfoEntity *entity;
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timed_thread *me = *(timed_thread **)arg;
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const char *emptystr = "";
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while (1) {
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if (!conn)
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conn = mpd_newConnection(mpd_host, mpd_port, 10);
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if (*mpd_password) {
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mpd_sendPasswordCommand(conn, mpd_password);
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mpd_finishCommand(conn);
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}
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timed_thread_lock(me);
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if (conn->error || conn == NULL) {
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NORM_ERR("MPD error: %s\n", conn->errorStr);
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mpd_closeConnection(conn);
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conn = 0;
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clear_mpd();
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mpd_info.status = "MPD not responding";
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timed_thread_unlock(me);
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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mpd_sendStatusCommand(conn);
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if ((status = mpd_getStatus(conn)) == NULL) {
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NORM_ERR("MPD error: %s\n", conn->errorStr);
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mpd_closeConnection(conn);
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conn = 0;
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clear_mpd();
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mpd_info.status = "MPD not responding";
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timed_thread_unlock(me);
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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mpd_finishCommand(conn);
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if (conn->error) {
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// fprintf(stderr, "%s\n", conn->errorStr);
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mpd_closeConnection(conn);
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conn = 0;
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timed_thread_unlock(me);
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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mpd_info.vol = status->volume;
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if (status->random == 0) {
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mpd_info.random = "Off";
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} else if (status->random == 1) {
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mpd_info.random = "On";
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} else {
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mpd_info.random = "";
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}
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if (status->repeat == 0) {
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mpd_info.repeat = "Off";
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} else if (status->repeat == 1) {
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mpd_info.repeat = "On";
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} else {
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mpd_info.repeat = "";
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}
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/* if (status->error) {
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printf("error: %s\n", status->error);
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} */
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switch (status->state) {
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case MPD_STATUS_STATE_PLAY:
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mpd_info.status = "Playing";
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break;
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case MPD_STATUS_STATE_STOP:
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mpd_info.status = "Stopped";
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break;
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case MPD_STATUS_STATE_PAUSE:
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mpd_info.status = "Paused";
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break;
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default:
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mpd_info.status = "";
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clear_mpd();
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break;
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}
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if (status->state == MPD_STATUS_STATE_PLAY ||
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status->state == MPD_STATUS_STATE_PAUSE) {
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mpd_info.is_playing = 1;
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mpd_info.bitrate = status->bitRate;
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mpd_info.progress = (float) status->elapsedTime /
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status->totalTime;
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mpd_info.elapsed = status->elapsedTime;
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mpd_info.length = status->totalTime;
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} else {
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mpd_info.progress = 0;
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mpd_info.is_playing = 0;
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mpd_info.elapsed = 0;
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}
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if (conn->error) {
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// fprintf(stderr, "%s\n", conn->errorStr);
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mpd_closeConnection(conn);
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conn = 0;
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timed_thread_unlock(me);
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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mpd_sendCurrentSongCommand(conn);
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while ((entity = mpd_getNextInfoEntity(conn))) {
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mpd_Song *song = entity->info.song;
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if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
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mpd_freeInfoEntity(entity);
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continue;
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}
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#define SONGSET(x) { \
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free(mpd_info.x); \
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if(song->x) \
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mpd_info.x = strmdup(song->x); \
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else \
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mpd_info.x = strmdup(emptystr); \
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}
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SONGSET(artist);
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SONGSET(album);
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SONGSET(title);
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SONGSET(track);
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SONGSET(name);
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SONGSET(file);
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#undef SONGSET
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if (entity != NULL) {
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mpd_freeInfoEntity(entity);
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entity = NULL;
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}
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}
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mpd_finishCommand(conn);
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if (conn->error) {
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// fprintf(stderr, "%s\n", conn->errorStr);
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mpd_closeConnection(conn);
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conn = 0;
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timed_thread_unlock(me);
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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timed_thread_unlock(me);
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if (conn->error) {
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// fprintf(stderr, "%s\n", conn->errorStr);
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mpd_closeConnection(conn);
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conn = 0;
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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mpd_freeStatus(status);
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/* if (conn) {
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mpd_closeConnection(conn);
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conn = 0;
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} */
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if (timed_thread_test(me, 0)) {
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timed_thread_exit(me);
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}
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continue;
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}
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/* never reached */
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}
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static inline void format_media_player_time(char *buf, const int size,
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int seconds)
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{
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int days, hours, minutes;
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if (times_in_seconds()) {
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snprintf(buf, size, "%d", seconds);
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return;
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}
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days = seconds / (24 * 60 * 60);
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seconds %= (24 * 60 * 60);
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hours = seconds / (60 * 60);
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seconds %= (60 * 60);
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minutes = seconds / 60;
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seconds %= 60;
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if (days > 0) {
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snprintf(buf, size, "%i days %i:%02i:%02i", days,
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hours, minutes, seconds);
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} else if (hours > 0) {
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snprintf(buf, size, "%i:%02i:%02i", hours, minutes,
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seconds);
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} else {
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snprintf(buf, size, "%i:%02i", minutes, seconds);
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}
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}
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void print_mpd_elapsed(struct text_object *obj, char *p, int p_max_size)
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{
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(void)obj;
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format_media_player_time(p, p_max_size, mpd_get_info()->elapsed);
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}
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void print_mpd_length(struct text_object *obj, char *p, int p_max_size)
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{
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(void)obj;
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format_media_player_time(p, p_max_size, mpd_get_info()->length);
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}
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void print_mpd_percent(struct text_object *obj, char *p, int p_max_size)
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{
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(void)obj;
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percent_print(p, p_max_size, (int)(mpd_get_info()->progress * 100));
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}
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void print_mpd_bar(struct text_object *obj, char *p, int p_max_size)
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{
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new_bar(obj, p, p_max_size, (int) (mpd_get_info()->progress * 255.0f));
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}
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void print_mpd_smart(struct text_object *obj, char *p, int p_max_size)
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{
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struct mpd_s *mpd = mpd_get_info();
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int len = obj->data.i;
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if (len == 0 || len > p_max_size)
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len = p_max_size;
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memset(p, 0, p_max_size);
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if (mpd->artist && *mpd->artist &&
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mpd->title && *mpd->title) {
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snprintf(p, len, "%s - %s", mpd->artist,
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mpd->title);
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} else if (mpd->title && *mpd->title) {
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snprintf(p, len, "%s", mpd->title);
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} else if (mpd->artist && *mpd->artist) {
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snprintf(p, len, "%s", mpd->artist);
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} else if (mpd->file && *mpd->file) {
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snprintf(p, len, "%s", mpd->file);
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} else {
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*p = 0;
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}
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}
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#define MPD_PRINT_GENERATOR(name, fmt) \
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void print_mpd_##name(struct text_object *obj, char *p, int p_max_size) \
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{ \
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if (obj->data.i && obj->data.i < p_max_size) \
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p_max_size = obj->data.i; \
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snprintf(p, p_max_size, fmt, mpd_get_info()->name); \
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}
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MPD_PRINT_GENERATOR(title, "%s")
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MPD_PRINT_GENERATOR(artist, "%s")
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MPD_PRINT_GENERATOR(album, "%s")
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MPD_PRINT_GENERATOR(random, "%s")
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MPD_PRINT_GENERATOR(repeat, "%s")
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MPD_PRINT_GENERATOR(track, "%s")
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MPD_PRINT_GENERATOR(name, "%s")
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MPD_PRINT_GENERATOR(file, "%s")
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MPD_PRINT_GENERATOR(vol, "%d")
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MPD_PRINT_GENERATOR(bitrate, "%d")
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MPD_PRINT_GENERATOR(status, "%s")
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#undef MPD_PRINT_GENERATOR
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