std::wstring wideShorten(const std::wstring &ws, size_t max_length)
{
std::wstring result;
if (wideLength(ws) > max_length)
{
const size_t half_max = max_length/2 - 1;
size_t len = 0;
// get beginning of string
for (auto it = ws.begin(); it != ws.end(); ++it)
{
len += wcwidth(*it);
if (len > half_max)
break;
result += *it;
}
len = 0;
std::wstring end;
// get end of string in reverse order
for (auto it = ws.rbegin(); it != ws.rend(); ++it)
{
len += wcwidth(*it);
if (len > half_max)
break;
end += *it;
}
// apply end of string to its beginning
result += L"..";
result.append(end.rbegin(), end.rend());
}
else
result = ws;
return result;
}
std::wstring Scroller(const std::wstring &str, size_t &pos, size_t width)
{
std::wstring s(str);
if (!Config.header_text_scrolling)
return s;
std::wstring result;
size_t len = wideLength(s);
if (len > width)
{
s += L" ** ";
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;
}
void writeCyclicBuffer(const NC::WBuffer &buf, NC::Window &w, size_t &start_pos,
size_t width, const std::wstring &separator)
{
const auto &s = buf.str();
size_t len = wideLength(s);
if (len > width)
{
len = 0;
const auto &ps = buf.properties();
auto p = ps.begin();
// load attributes from before starting pos
for (; p != ps.end() && p->position() < start_pos; ++p)
w << *p;
auto write_buffer = [&](size_t start) {
for (size_t i = start; i < s.length() && len < width; ++i)
{
for (; p != ps.end() && p->position() == i; ++p)
w << *p;
len += wcwidth(s[i]);
if (len > width)
break;
w << s[i];
}
for (; p != ps.end(); ++p)
w << *p;
p = ps.begin();
};
write_buffer(start_pos);
size_t i = 0;
if (start_pos > s.length())
i = start_pos - s.length();
for (; i < separator.length() && len < width; ++i)
{
len += wcwidth(separator[i]);
if (len > width)
break;
w << separator[i];
}
write_buffer(0);
++start_pos;
if (start_pos >= s.length() + separator.length())
start_pos = 0;
}
else
w << buf;
}
bool Configuration::read(const std::vector<std::string> &config_paths, bool ignore_errors)
{
option_parser p;
p.add<void>("visualizer_sample_multiplier", nullptr, "", [](std::string v) {
if (!v.empty())
deprecated(
"visualizer_sample_multiplier",
0.9,
"visualizer scales automatically");
});
p.add<void>("progressbar_boldness", nullptr, "", [](std::string v) {
if (!v.empty())
deprecated(
"progressbar_boldness",
0.9,
"use extended progressbar_color and progressbar_elapsed_color instead");
});
// keep the same order of variables as in configuration file
p.add("ncmpcpp_directory", &ncmpcpp_directory, "~/.ncmpcpp/", adjust_directory);
p.add("lyrics_directory", &lyrics_directory, "~/.lyrics/", adjust_directory);
p.add<void>("mpd_host", nullptr, "localhost", [](std::string host) {
expand_home(host);
Mpd.SetHostname(host);
});
p.add<void>("mpd_port", nullptr, "6600", [](std::string port) {
Mpd.SetPort(verbose_lexical_cast<unsigned>(port));
});
p.add("mpd_music_dir", &mpd_music_dir, "~/music", adjust_directory);
p.add("mpd_connection_timeout", &mpd_connection_timeout, "5");
p.add("mpd_crossfade_time", &crossfade_time, "5");
p.add("visualizer_fifo_path", &visualizer_fifo_path, "/tmp/mpd.fifo", adjust_path);
p.add("visualizer_output_name", &visualizer_output_name, "Visualizer feed");
p.add("visualizer_in_stereo", &visualizer_in_stereo, "yes", yes_no);
p.add("visualizer_sync_interval", &visualizer_sync_interval, "30",
[](std::string v) {
unsigned sync_interval = verbose_lexical_cast<unsigned>(v);
lowerBoundCheck<unsigned>(sync_interval, 10);
return boost::posix_time::seconds(sync_interval);
});
p.add("visualizer_type", &visualizer_type, "wave");
p.add("visualizer_look", &visualizer_chars, "●▮", [](std::string s) {
auto result = ToWString(std::move(s));
boundsCheck<std::wstring::size_type>(result.size(), 2, 2);
return result;
});
p.add("visualizer_color", &visualizer_colors,
"blue, cyan, green, yellow, magenta, red", list_of<NC::FormattedColor>);
p.add("system_encoding", &system_encoding, "", [](std::string encoding) {
#ifdef HAVE_LANGINFO_H
// try to autodetect system encoding
if (encoding.empty())
{
encoding = nl_langinfo(CODESET);
if (encoding == "UTF-8") // mpd uses utf-8 by default so no need to convert
encoding.clear();
}
#endif // HAVE_LANGINFO_H
return encoding;
});
p.add("playlist_disable_highlight_delay", &playlist_disable_highlight_delay,
"5", [](std::string v) {
return boost::posix_time::seconds(verbose_lexical_cast<unsigned>(v));
});
p.add("message_delay_time", &message_delay_time, "5");
p.add("song_list_format", &song_list_format,
"{%a - }{%t}|{$8%f$9}$R{$3(%l)$9}", [](std::string v) {
return Format::parse(v);
});
p.add("song_status_format", &song_status_format,
"{{%a{ \"%b\"{ (%y)}} - }{%t}}|{%f}", [this](std::string v) {
auto flags = Format::Flags::All ^ Format::Flags::OutputSwitch;
// precompute wide format for status display
song_status_wformat = Format::parse(ToWString(v), flags);
return Format::parse(v, flags);
});
p.add("song_library_format", &song_library_format,
"{%n - }{%t}|{%f}", [](std::string v) {
return Format::parse(v);
});
p.add("alternative_header_first_line_format", &new_header_first_line,
"$b$1$aqqu$/a$9 {%t}|{%f} $1$atqq$/a$9$/b", [](std::string v) {
return Format::parse(ToWString(std::move(v)),
Format::Flags::All ^ Format::Flags::OutputSwitch);
});
p.add("alternative_header_second_line_format", &new_header_second_line,
"{{$4$b%a$/b$9}{ - $7%b$9}{ ($4%y$9)}}|{%D}", [](std::string v) {
return Format::parse(ToWString(std::move(v)),
Format::Flags::All ^ Format::Flags::OutputSwitch);
});
p.add("now_playing_prefix", &now_playing_prefix,
"$b", [this](std::string v) {
NC::Buffer result = buffer(v);
now_playing_prefix_length = wideLength(ToWString(result.str()));
return result;
});
p.add("now_playing_suffix", &now_playing_suffix,
"$/b", [this](std::string v) {
NC::Buffer result = buffer(v);
now_playing_suffix_length = wideLength(ToWString(result.str()));
return result;
});
p.add("browser_playlist_prefix", &browser_playlist_prefix, "$2playlist$9 ", buffer);
p.add("selected_item_prefix", &selected_item_prefix,
"$6", [this](std::string v) {
NC::Buffer result = buffer(v);
selected_item_prefix_length = wideLength(ToWString(result.str()));
return result;
});
p.add("selected_item_suffix", &selected_item_suffix,
"$9", [this](std::string v) {
NC::Buffer result = buffer(v);
selected_item_suffix_length = wideLength(ToWString(result.str()));
return result;
});
p.add("modified_item_prefix", &modified_item_prefix, "$3>$9 ", buffer);
p.add("song_window_title_format", &song_window_title_format,
"{%a - }{%t}|{%f}", [](std::string v) {
return Format::parse(v, Format::Flags::Tag);
});
p.add("browser_sort_mode", &browser_sort_mode, "name");
p.add("browser_sort_format", &browser_sort_format,
"{%a - }{%t}|{%f} {(%l)}", [](std::string v) {
return Format::parse(v, Format::Flags::Tag);
});
p.add("song_columns_list_format", &song_columns_mode_format,
"(20)[]{a} (6f)[green]{NE} (50)[white]{t|f:Title} (20)[cyan]{b} (7f)[magenta]{l}",
[this](std::string v) {
columns = generate_columns(v);
return columns_to_format(columns);
});
p.add("execute_on_song_change", &execute_on_song_change, "", adjust_path);
p.add("execute_on_player_state_change", &execute_on_player_state_change,
"", adjust_path);
p.add("playlist_show_mpd_host", &playlist_show_mpd_host, "no", yes_no);
p.add("playlist_show_remaining_time", &playlist_show_remaining_time, "no", yes_no);
p.add("playlist_shorten_total_times", &playlist_shorten_total_times, "no", yes_no);
p.add("playlist_separate_albums", &playlist_separate_albums, "no", yes_no);
p.add("playlist_display_mode", &playlist_display_mode, "columns");
p.add("browser_display_mode", &browser_display_mode, "classic");
p.add("search_engine_display_mode", &search_engine_display_mode, "classic");
p.add("playlist_editor_display_mode", &playlist_editor_display_mode, "classic");
p.add("discard_colors_if_item_is_selected", &discard_colors_if_item_is_selected,
"yes", yes_no);
p.add("show_duplicate_tags", &MPD::Song::ShowDuplicateTags, "yes", yes_no);
p.add("incremental_seeking", &incremental_seeking, "yes", yes_no);
p.add("seek_time", &seek_time, "1");
p.add("volume_change_step", &volume_change_step, "2");
p.add("autocenter_mode", &autocenter_mode, "no", yes_no);
p.add("centered_cursor", ¢ered_cursor, "no", yes_no);
p.add("progressbar_look", &progressbar, "=>", [](std::string v) {
auto result = ToWString(std::move(v));
boundsCheck<std::wstring::size_type>(result.size(), 2, 3);
// If two characters were specified, fill \0 as the third one.
result.resize(3);
return result;
});
p.add("default_place_to_search_in", &search_in_db, "database", [](std::string v) {
if (v == "database")
return true;
else if (v == "playlist")
return false;
else
invalid_value(v);
});
p.add("user_interface", &design, "classic");
p.add("data_fetching_delay", &data_fetching_delay, "yes", yes_no);
p.add("media_library_primary_tag", &media_lib_primary_tag, "artist", [](std::string v) {
if (v == "artist")
return MPD_TAG_ARTIST;
else if (v == "album_artist")
return MPD_TAG_ALBUM_ARTIST;
else if (v == "date")
return MPD_TAG_DATE;
else if (v == "genre")
return MPD_TAG_GENRE;
else if (v == "composer")
return MPD_TAG_COMPOSER;
else if (v == "performer")
return MPD_TAG_PERFORMER;
else
invalid_value(v);
});
p.add("default_find_mode", &wrapped_search, "wrapped", [](std::string v) {
if (v == "wrapped")
return true;
else if (v == "normal")
return false;
else
invalid_value(v);
});
p.add("default_tag_editor_pattern", &pattern, "%n - %t");
p.add("header_visibility", &header_visibility, "yes", yes_no);
p.add("statusbar_visibility", &statusbar_visibility, "yes", yes_no);
p.add("titles_visibility", &titles_visibility, "yes", yes_no);
p.add("header_text_scrolling", &header_text_scrolling, "yes", yes_no);
p.add("cyclic_scrolling", &use_cyclic_scrolling, "no", yes_no);
p.add("lines_scrolled", &lines_scrolled, "2");
p.add("lyrics_fetchers", &lyrics_fetchers,
"lyricwiki, azlyrics, genius, sing365, lyricsmania, metrolyrics, justsomelyrics, tekstowo, internet",
list_of<LyricsFetcher_>);
p.add("follow_now_playing_lyrics", &now_playing_lyrics, "no", yes_no);
p.add("fetch_lyrics_for_current_song_in_background", &fetch_lyrics_in_background,
"no", yes_no);
p.add("store_lyrics_in_song_dir", &store_lyrics_in_song_dir, "no", yes_no);
p.add("generate_win32_compatible_filenames", &generate_win32_compatible_filenames,
"yes", yes_no);
p.add("allow_for_physical_item_deletion", &allow_for_physical_item_deletion,
"no", yes_no);
p.add("lastfm_preferred_language", &lastfm_preferred_language, "en");
p.add("space_add_mode", &space_add_mode, "add_remove");
p.add("show_hidden_files_in_local_browser", &local_browser_show_hidden_files,
"no", yes_no);
p.add<void>(
"screen_switcher_mode", nullptr, "playlist, browser",
[this](std::string v) {
if (v == "previous")
screen_switcher_previous = true;
else
{
screen_switcher_previous = false;
screen_sequence = list_of<ScreenType>(v, [](std::string s) {
auto screen = stringtoStartupScreenType(s);
if (screen == ScreenType::Unknown)
invalid_value(s);
return screen;
});
}
});
p.add("startup_screen", &startup_screen_type, "playlist", [](std::string v) {
auto screen = stringtoStartupScreenType(v);
if (screen == ScreenType::Unknown)
invalid_value(v);
return screen;
});
p.add("startup_slave_screen", &startup_slave_screen_type, "", [](std::string v) {
boost::optional<ScreenType> screen;
if (!v.empty())
{
screen = stringtoStartupScreenType(v);
if (screen == ScreenType::Unknown)
invalid_value(v);
}
return screen;
});
p.add("startup_slave_screen_focus", &startup_slave_screen_focus, "no", yes_no);
p.add("locked_screen_width_part", &locked_screen_width_part,
"50", [](std::string v) {
return verbose_lexical_cast<double>(v) / 100;
});
p.add("ask_for_locked_screen_width_part", &ask_for_locked_screen_width_part,
"yes", yes_no);
p.add("jump_to_now_playing_song_at_start", &jump_to_now_playing_song_at_start,
"yes", yes_no);
p.add("ask_before_clearing_playlists", &ask_before_clearing_playlists,
"yes", yes_no);
p.add("ask_before_shuffling_playlists", &ask_before_shuffling_playlists,
"yes", yes_no);
p.add("clock_display_seconds", &clock_display_seconds, "no", yes_no);
p.add("display_volume_level", &display_volume_level, "yes", yes_no);
p.add("display_bitrate", &display_bitrate, "no", yes_no);
p.add("display_remaining_time", &display_remaining_time, "no", yes_no);
p.add("regular_expressions", ®ex_type, "perl", [](std::string v) {
if (v == "none")
return boost::regex::icase | boost::regex::literal;
else if (v == "basic")
return boost::regex::icase | boost::regex::basic;
else if (v == "extended")
return boost::regex::icase | boost::regex::extended;
else if (v == "perl")
return boost::regex::icase | boost::regex::perl;
else
invalid_value(v);
});
p.add("ignore_leading_the", &ignore_leading_the, "no", yes_no);
p.add("block_search_constraints_change_if_items_found",
&block_search_constraints_change, "yes", yes_no);
p.add("mouse_support", &mouse_support, "yes", yes_no);
p.add("mouse_list_scroll_whole_page", &mouse_list_scroll_whole_page, "yes", yes_no);
p.add("empty_tag_marker", &empty_tag, "<empty>");
p.add("tags_separator", &MPD::Song::TagsSeparator, " | ");
p.add("tag_editor_extended_numeration", &tag_editor_extended_numeration, "no", yes_no);
p.add("media_library_sort_by_mtime", &media_library_sort_by_mtime, "no", yes_no);
p.add("enable_window_title", &set_window_title, "yes", [](std::string v) {
// Consider this variable only if TERM variable is available and we're not
// in emacs terminal nor tty (through any wrapper like screen).
auto term = getenv("TERM");
if (term != nullptr
&& strstr(term, "linux") == nullptr
&& strncmp(term, "eterm", const_strlen("eterm")))
return yes_no(v);
else
{
std::clog << "Terminal doesn't support window title, skipping 'enable_window_title'.\n";
return false;
}
});
p.add("search_engine_default_search_mode", &search_engine_default_search_mode,
"1", [](std::string v) {
auto mode = verbose_lexical_cast<unsigned>(v);
boundsCheck<unsigned>(mode, 1, 3);
return --mode;
});
p.add("external_editor", &external_editor, "nano", adjust_path);
p.add("use_console_editor", &use_console_editor, "yes", yes_no);
p.add("colors_enabled", &colors_enabled, "yes", yes_no);
p.add("empty_tag_color", &empty_tags_color, "cyan");
p.add("header_window_color", &header_color, "default");
p.add("volume_color", &volume_color, "default");
p.add("state_line_color", &state_line_color, "default");
p.add("state_flags_color", &state_flags_color, "default:b");
p.add("main_window_color", &main_color, "yellow");
p.add("color1", &color1, "white");
p.add("color2", &color2, "green");
p.add("main_window_highlight_color", &main_highlight_color, "yellow");
p.add("progressbar_color", &progressbar_color, "black:b");
p.add("progressbar_elapsed_color", &progressbar_elapsed_color, "green:b");
p.add("statusbar_color", &statusbar_color, "default");
p.add("statusbar_time_color", &statusbar_time_color, "default:b");
p.add("player_state_color", &player_state_color, "default:b");
p.add("alternative_ui_separator_color", &alternative_ui_separator_color, "black:b");
p.add("active_column_color", &active_column_color, "red");
p.add("window_border_color", &window_border, "green", verbose_lexical_cast<NC::Color>);
p.add("active_window_border", &active_window_border, "red",
verbose_lexical_cast<NC::Color>);
return std::all_of(
config_paths.begin(),
config_paths.end(),
[&](const std::string &config_path) {
std::ifstream f(config_path);
if (f.is_open())
std::clog << "Reading configuration from " << config_path << "...\n";
return p.run(f, ignore_errors);
}
) && p.initialize_undefined(ignore_errors);
}
