Files
ncmpcpp/src/helpers.cpp
2012-09-02 15:37:42 +02:00

336 lines
9.0 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2012 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <cassert>
#include <cstring>
#include <algorithm>
#include <iostream>
#include <stdexcept>
#include "clock.h"
#include "charset.h"
#include "global.h"
#include "helpers.h"
#include "playlist.h"
#include "status.h"
#include "tag_editor.h"
#include "help.h"
#include "playlist_editor.h"
#include "browser.h"
#include "media_library.h"
#include "search_engine.h"
#include "outputs.h"
#include "visualizer.h"
void ParseArgv(int argc, char **argv)
{
bool quit = 0;
std::string now_playing_format = "{{{(%l) }{{%a - }%t}}|{%f}}";
for (int i = 1; i < argc; ++i)
{
if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--host"))
{
if (++i >= argc)
exit(0);
Mpd.SetHostname(argv[i]);
continue;
}
if (!strcmp(argv[i], "-p") || !strcmp(argv[i], "--port"))
{
if (++i >= argc)
exit(0);
Mpd.SetPort(atoi(argv[i]));
continue;
}
else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))
{
std::cout << "ncmpcpp version: " << VERSION << "\n\n"
<< "optional screens compiled-in:\n"
# ifdef HAVE_TAGLIB_H
<< " - tag editor\n"
<< " - tiny tag editor\n"
# endif
# ifdef HAVE_CURL_CURL_H
<< " - artist info\n"
# endif
# ifdef ENABLE_OUTPUTS
<< " - outputs\n"
# endif
# ifdef ENABLE_VISUALIZER
<< " - visualizer\n"
# endif
# ifdef ENABLE_CLOCK
<< " - clock\n"
# endif
<< "\nencoding detection: "
# ifdef HAVE_LANGINFO_H
<< "enabled"
# else
<< "disabled"
# endif // HAVE_LANGINFO_H
<< "\nbuilt with support for:"
# ifdef HAVE_CURL_CURL_H
<< " curl"
# endif
# ifdef HAVE_ICONV_H
<< " iconv"
# endif
# ifdef HAVE_FFTW3_H
<< " fftw"
# endif
# ifdef USE_PDCURSES
<< " pdcurses"
# else
<< " ncurses"
# endif
# ifdef HAVE_TAGLIB_H
<< " taglib"
# endif
# ifdef _UTF8
<< " unicode"
# endif
<< std::endl;
exit(0);
}
else if (!strcmp(argv[i], "-?") || !strcmp(argv[i], "--help"))
{
std::cout
<< "Usage: ncmpcpp [OPTION]...\n"
<< " -h, --host connect to server at host [localhost]\n"
<< " -p, --port connect to server at port [6600]\n"
<< " -c, --config use alternative configuration file\n"
<< " -s, --screen <name> specify the startup screen\n"
<< " -?, --help show this help message\n"
<< " -v, --version display version information\n"
<< " --now-playing display now playing song [" << now_playing_format << "]\n"
<< "\n"
<< " play start playing\n"
<< " pause pause the currently playing song\n"
<< " toggle toggle play/pause mode\n"
<< " stop stop playing\n"
<< " next play the next song\n"
<< " prev play the previous song\n"
<< " volume [+-]<num> adjusts volume by [+-]<num>\n"
;
exit(0);
}
if (!Action::ConnectToMPD())
exit(1);
if (!strcmp(argv[i], "-s") || !strcmp(argv[i], "--screen"))
{
if (++i == argc) {
std::cout << "ncmpcpp: no screen specified" << std::endl;
exit(0);
}
if (!strcmp(argv[i], "help"))
Config.startup_screen = myHelp;
else if (!strcmp(argv[i], "playlist"))
Config.startup_screen = myPlaylist;
else if (!strcmp(argv[i], "browser"))
Config.startup_screen = myBrowser;
else if (!strcmp(argv[i], "search-engine"))
Config.startup_screen = mySearcher;
else if (!strcmp(argv[i], "media-library"))
Config.startup_screen = myLibrary;
else if (!strcmp(argv[i], "playlist-editor"))
Config.startup_screen = myPlaylistEditor;
# ifdef HAVE_TAGLIB_H
else if (!strcmp(argv[i], "tag-editor"))
Config.startup_screen = myTagEditor;
# endif // HAVE_TAGLIB_H
# ifdef ENABLE_OUTPUTS
else if (!strcmp(argv[i], "outputs"))
Config.startup_screen = myOutputs;
# endif // ENABLE_OUTPUTS
# ifdef ENABLE_VISUALIZER
else if (!strcmp(argv[i], "visualizer"))
Config.startup_screen = myVisualizer;
# endif // ENABLE_VISUALIZER
# ifdef ENABLE_CLOCK
else if (!strcmp(argv[i], "clock"))
Config.startup_screen = myClock;
# endif // ENABLE_CLOCK
else {
std::cout << "ncmpcpp: invalid screen: " << argv[i] << std::endl;
exit(0);
}
}
else if (!strcmp(argv[i], "--now-playing"))
{
Mpd.UpdateStatus();
if (!Mpd.GetErrorMessage().empty())
{
std::cout << "Error: " << Mpd.GetErrorMessage() << std::endl;
exit(1);
}
if (Mpd.isPlaying())
{
if (argc > ++i)
{
if (MPD::Song::isFormatOk("now-playing format", argv[i]))
{
// apply additional pair of braces
now_playing_format = "{";
now_playing_format += argv[i];
now_playing_format += "}";
replace(now_playing_format, "\\n", "\n");
replace(now_playing_format, "\\t", "\t");
}
}
std::cout << utf_to_locale_cpy(Mpd.GetCurrentlyPlayingSong().toString(now_playing_format)) << "\n";
}
exit(0);
}
else if (!strcmp(argv[i], "play"))
{
Mpd.Play();
quit = 1;
}
else if (!strcmp(argv[i], "pause"))
{
Mpd.Pause(1);
quit = 1;
}
else if (!strcmp(argv[i], "toggle"))
{
Mpd.UpdateStatus();
if (!Mpd.GetErrorMessage().empty())
{
std::cout << "Error: " << Mpd.GetErrorMessage() << std::endl;
exit(1);
}
Mpd.Toggle();
quit = 1;
}
else if (!strcmp(argv[i], "stop"))
{
Mpd.Stop();
quit = 1;
}
else if (!strcmp(argv[i], "next"))
{
Mpd.Next();
quit = 1;
}
else if (!strcmp(argv[i], "prev"))
{
Mpd.Prev();
quit = 1;
}
else if (!strcmp(argv[i], "volume"))
{
i++;
Mpd.UpdateStatus();
if (!Mpd.GetErrorMessage().empty())
{
std::cout << "Error: " << Mpd.GetErrorMessage() << std::endl;
exit(1);
}
if (i != argc)
Mpd.SetVolume(Mpd.GetVolume()+atoi(argv[i]));
quit = 1;
}
else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--config"))
{
// this is used in Configuration::CheckForCommandLineConfigFilePath, ignoring here.
++i;
}
else
{
std::cout << "ncmpcpp: invalid option: " << argv[i] << std::endl;
exit(0);
}
if (!Mpd.GetErrorMessage().empty())
{
std::cout << "Error: " << Mpd.GetErrorMessage() << std::endl;
exit(0);
}
}
if (quit)
exit(0);
}
std::string Timestamp(time_t t)
{
char result[32];
# ifdef WIN32
result[strftime(result, 31, "%x %X", localtime(&t))] = 0;
# else
tm info;
result[strftime(result, 31, "%x %X", localtime_r(&t, &info))] = 0;
# endif // WIN32
return result;
}
void UpdateSongList(NC::Menu<MPD::Song> *menu)
{
for (auto it = menu->Begin(); it != menu->End(); ++it)
it->setSelected(myPlaylist->checkForSong(it->value()));
menu->Refresh();
}
std::basic_string<my_char_t> Scroller(const std::basic_string<my_char_t> &str, size_t &pos, size_t width)
{
std::basic_string<my_char_t> s(str);
if (!Config.header_text_scrolling)
return s;
std::basic_string<my_char_t> result;
size_t len = NC::Window::Length(s);
if (len > width)
{
s += U(" ** ");
len = 0;
auto b = s.begin(), e = s.end();
for (auto it = b+pos; it < e && len < width; ++it)
{
if ((len += wcwidth(*it)) > width)
break;
result += *it;
}
if (++pos >= s.length())
pos = 0;
for (; len < width; ++b)
{
if ((len += wcwidth(*b)) > width)
break;
result += *b;
}
}
else
result = s;
return result;
}
std::string Shorten(const std::basic_string<my_char_t> &s, size_t max_length)
{
if (s.length() <= max_length)
return TO_STRING(s);
if (max_length < 2)
return "";
std::basic_string<my_char_t> result(s, 0, max_length/2-!(max_length%2));
result += U("..");
result += s.substr(s.length()-max_length/2+1);
return TO_STRING(result);
}