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moc.cc
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moc.cc
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/* -*- mode: c++; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
* vim: ts=4 sw=4 noet ai cindent syntax=cpp
*
* MOC Conky integration
*
* Please see COPYING for details
*
* Copyright (c) 2008, Henri Häkkinen
*
* 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "conky.h"
#include "logging.h"
#include "text_object.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cmath>
#include <mutex>
#include "update-cb.hh"
namespace {
struct moc_result {
std::string state;
std::string file;
std::string title;
std::string artist;
std::string song;
std::string album;
std::string totaltime;
std::string timeleft;
std::string curtime;
std::string bitrate;
std::string rate;
};
class moc_cb: public conky::callback<moc_result> {
typedef conky::callback<moc_result> Base;
protected:
virtual void work();
public:
moc_cb(uint32_t period)
: Base(period, false, Tuple())
{}
};
void moc_cb::work()
{
moc_result moc;
FILE *fp;
fp = popen("mocp -i", "r");
if (!fp) {
moc.state = "Can't run 'mocp -i'";
} else {
while (1) {
char line[100];
char *p;
/* Read a line from the pipe and strip the possible '\n'. */
if (!fgets(line, 100, fp))
break;
if ((p = strrchr(line, '\n')))
*p = '\0';
/* Parse infos. */
if (strncmp(line, "State:", 6) == 0)
moc.state = line + 7;
else if (strncmp(line, "File:", 5) == 0)
moc.file = line + 6;
else if (strncmp(line, "Title:", 6) == 0)
moc.title = line + 7;
else if (strncmp(line, "Artist:", 7) == 0)
moc.artist = line + 8;
else if (strncmp(line, "SongTitle:", 10) == 0)
moc.song = line + 11;
else if (strncmp(line, "Album:", 6) == 0)
moc.album = line + 7;
else if (strncmp(line, "TotalTime:", 10) == 0)
moc.totaltime = line + 11;
else if (strncmp(line, "TimeLeft:", 9) == 0)
moc.timeleft = line + 10;
else if (strncmp(line, "CurrentTime:", 12) == 0)
moc.curtime = line + 13;
else if (strncmp(line, "Bitrate:", 8) == 0)
moc.bitrate = line + 9;
else if (strncmp(line, "Rate:", 5) == 0)
moc.rate = line + 6;
}
}
pclose(fp);
std::lock_guard<std::mutex> l(result_mutex);
result = moc;
}
}
#define MOC_PRINT_GENERATOR(type, alt) \
void print_moc_##type(struct text_object *obj, char *p, int p_max_size) \
{ \
(void)obj; \
uint32_t period = std::max( \
std::lround(music_player_interval.get(*state)/active_update_interval()), 1l \
); \
const moc_result &moc = conky::register_cb<moc_cb>(period)->get_result_copy(); \
snprintf(p, p_max_size, "%s", (moc.type.length() ? moc.type.c_str() : alt)); \
}
MOC_PRINT_GENERATOR(state, "??")
MOC_PRINT_GENERATOR(file, "no file")
MOC_PRINT_GENERATOR(title, "no title")
MOC_PRINT_GENERATOR(artist, "no artist")
MOC_PRINT_GENERATOR(song, "no song")
MOC_PRINT_GENERATOR(album, "no album")
MOC_PRINT_GENERATOR(totaltime, "0:00")
MOC_PRINT_GENERATOR(timeleft, "0:00")
MOC_PRINT_GENERATOR(curtime, "0:00")
MOC_PRINT_GENERATOR(bitrate, "0Kbps")
MOC_PRINT_GENERATOR(rate, "0KHz")
#undef MOC_PRINT_GENERATOR