430 lines
12 KiB
C++
430 lines
12 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2014 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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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 2 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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* *
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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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <cassert>
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#include "browser.h"
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#include "charset.h"
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#include "display.h"
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#include "helpers.h"
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#include "song_info.h"
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#include "playlist.h"
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#include "global.h"
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#include "tag_editor.h"
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#include "utility/string.h"
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#include "utility/type_conversions.h"
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using Global::myScreen;
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namespace {//
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const wchar_t *toColumnName(char c)
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{
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switch (c)
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{
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case 'l':
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return L"Time";
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case 'f':
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return L"Filename";
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case 'D':
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return L"Directory";
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case 'a':
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return L"Artist";
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case 'A':
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return L"Album Artist";
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case 't':
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return L"Title";
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case 'b':
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return L"Album";
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case 'y':
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return L"Date";
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case 'n': case 'N':
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return L"Track";
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case 'g':
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return L"Genre";
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case 'c':
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return L"Composer";
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case 'p':
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return L"Performer";
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case 'd':
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return L"Disc";
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case 'C':
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return L"Comment";
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case 'P':
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return L"Priority";
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default:
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return L"?";
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}
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}
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template <typename T>
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void setProperties(NC::Menu<T> &menu, const MPD::Song &s, const ProxySongList &pl, bool &separate_albums,
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bool &is_now_playing, bool &is_selected, bool &discard_colors)
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{
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size_t drawn_pos = menu.drawn() - menu.begin();
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separate_albums = false;
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if (Config.playlist_separate_albums)
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{
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size_t next_pos = drawn_pos+1;
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auto next = next_pos < pl.size() ? pl.getSong(next_pos) : 0;
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if (next && next->getAlbum() != s.getAlbum())
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separate_albums = true;
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}
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if (separate_albums)
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{
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menu << NC::Format::Underline;
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mvwhline(menu.raw(), menu.getY(), 0, KEY_SPACE, menu.getWidth());
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}
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is_selected = menu.drawn()->isSelected();
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discard_colors = Config.discard_colors_if_item_is_selected && is_selected;
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int song_pos = menu.isFiltered() ? s.getPosition() : drawn_pos;
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is_now_playing = Status::State::player() != MPD::psStop && myPlaylist->isActiveWindow(menu)
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&& song_pos == myPlaylist->currentSongPosition();
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if (is_now_playing)
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menu << Config.now_playing_prefix;
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}
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template <typename T>
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void showSongs(NC::Menu<T> &menu, const MPD::Song &s, const ProxySongList &pl, const std::string &format)
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{
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bool separate_albums, is_now_playing, is_selected, discard_colors;
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setProperties(menu, s, pl, separate_albums, is_now_playing, is_selected, discard_colors);
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size_t y = menu.getY();
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std::string line = Charset::utf8ToLocale(s.toString(format, Config.tags_separator, "$"));
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for (auto it = line.begin(); it != line.end(); ++it)
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{
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if (*it == '$')
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{
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++it;
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if (it == line.end()) // end of format
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{
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menu << '$';
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break;
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}
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else if (isdigit(*it)) // color
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{
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if (!discard_colors)
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menu << NC::Color(*it-'0');
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}
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else if (*it == 'R') // right align
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{
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NC::Buffer buf;
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buf << " ";
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stringToBuffer(++it, line.end(), buf);
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if (discard_colors)
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buf.removeProperties();
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size_t x_off = menu.getWidth() - wideLength(ToWString(buf.str()));
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if (is_now_playing)
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x_off -= Config.now_playing_suffix_length;
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if (is_selected)
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x_off -= Config.selected_item_suffix_length;
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menu << NC::XY(x_off, y) << buf;
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break;
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}
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else // not a color nor right align, just a random character
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menu << *--it;
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}
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else if (*it == MPD::Song::FormatEscapeCharacter)
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{
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++it;
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// treat '$' as a normal character if song format escape char is prepended to it
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if (it == line.end() || *it != '$')
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--it;
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menu << *it;
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}
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else
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menu << *it;
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}
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if (is_now_playing)
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menu << Config.now_playing_suffix;
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if (separate_albums)
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menu << NC::Format::NoUnderline;
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}
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template <typename T>
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void showSongsInColumns(NC::Menu<T> &menu, const MPD::Song &s, const ProxySongList &pl)
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{
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if (Config.columns.empty())
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return;
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bool separate_albums, is_now_playing, is_selected, discard_colors;
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setProperties(menu, s, pl, separate_albums, is_now_playing, is_selected, discard_colors);
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int width;
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int y = menu.getY();
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int remained_width = menu.getWidth();
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std::vector<Column>::const_iterator it, last = Config.columns.end() - 1;
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for (it = Config.columns.begin(); it != Config.columns.end(); ++it)
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{
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// check current X coordinate
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int x = menu.getX();
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// column has relative width and all after it have fixed width,
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// so stretch it so it fills whole screen along with these after.
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if (it->stretch_limit >= 0) // (*)
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width = remained_width - it->stretch_limit;
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else
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width = it->fixed ? it->width : it->width * menu.getWidth() * 0.01;
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// columns with relative width may shrink to 0, omit them
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if (width == 0)
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continue;
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// if column is not last, we need to have spacing between it
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// and next column, so we substract it now and restore later.
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if (it != last)
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--width;
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if (it == Config.columns.begin() && (is_now_playing || is_selected))
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{
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// here comes the shitty part. if we applied now playing or selected
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// prefix, first column's width needs to be properly modified, so
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// next column is not affected by them. if prefixes fit, we just
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// subtract their width from allowed column's width. if they don't,
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// then we pretend that they do, but we adjust current cursor position
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// so part of them will be overwritten by next column.
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int offset = 0;
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if (is_now_playing)
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offset += Config.now_playing_prefix_length;
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if (is_selected)
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offset += Config.selected_item_prefix_length;
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if (width-offset < 0)
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{
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remained_width -= width + 1;
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menu.goToXY(width, y);
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menu << ' ';
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continue;
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}
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width -= offset;
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remained_width -= offset;
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}
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// if column doesn't fit into screen, discard it and any other after it.
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if (remained_width-width < 0 || width < 0 /* this one may come from (*) */)
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break;
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std::wstring tag;
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for (size_t i = 0; i < it->type.length(); ++i)
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{
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MPD::Song::GetFunction get = charToGetFunction(it->type[i]);
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assert(get);
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tag = ToWString(Charset::utf8ToLocale(s.getTags(get, Config.tags_separator)));
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if (!tag.empty())
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break;
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}
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if (tag.empty() && it->display_empty_tag)
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tag = ToWString(Config.empty_tag);
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wideCut(tag, width);
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if (!discard_colors && it->color != NC::Color::Default)
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menu << it->color;
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int x_off = 0;
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// if column uses right alignment, calculate proper offset.
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// otherwise just assume offset is 0, ie. we start from the left.
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if (it->right_alignment)
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x_off = std::max(0, width - int(wideLength(tag)));
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whline(menu.raw(), KEY_SPACE, width);
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menu.goToXY(x + x_off, y);
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menu << tag;
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menu.goToXY(x + width, y);
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if (it != last)
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{
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// add missing width's part and restore the value.
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menu << ' ';
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remained_width -= width+1;
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}
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if (!discard_colors && it->color != NC::Color::Default)
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menu << NC::Color::End;
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}
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// here comes the shitty part, second chapter. here we apply
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// now playing suffix or/and make room for selected suffix
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// (as it will be applied in Menu::Refresh when this function
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// returns there).
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if (is_now_playing)
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{
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int np_x = menu.getWidth() - Config.now_playing_suffix_length;
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if (is_selected)
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np_x -= Config.selected_item_suffix_length;
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menu.goToXY(np_x, y);
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menu << Config.now_playing_suffix;
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}
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if (is_selected)
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menu.goToXY(menu.getWidth() - Config.selected_item_suffix_length, y);
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if (separate_albums)
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menu << NC::Format::NoUnderline;
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}
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}
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std::string Display::Columns(size_t list_width)
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{
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std::string result;
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if (Config.columns.empty())
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return result;
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int width;
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int remained_width = list_width;
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std::vector<Column>::const_iterator it, last = Config.columns.end() - 1;
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for (it = Config.columns.begin(); it != Config.columns.end(); ++it)
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{
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// column has relative width and all after it have fixed width,
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// so stretch it so it fills whole screen along with these after.
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if (it->stretch_limit >= 0) // (*)
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width = remained_width - it->stretch_limit;
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else
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width = it->fixed ? it->width : it->width * list_width * 0.01;
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// columns with relative width may shrink to 0, omit them
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if (width == 0)
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continue;
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// if column is not last, we need to have spacing between it
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// and next column, so we substract it now and restore later.
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if (it != last)
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--width;
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// if column doesn't fit into screen, discard it and any other after it.
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if (remained_width-width < 0 || width < 0 /* this one may come from (*) */)
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break;
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std::wstring name;
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if (it->name.empty())
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{
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size_t j = 0;
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while (true)
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{
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name += toColumnName(it->type[j]);
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++j;
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if (j < it->type.length())
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name += '/';
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else
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break;
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}
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}
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else
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name = it->name;
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wideCut(name, width);
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int x_off = std::max(0, width - int(wideLength(name)));
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if (it->right_alignment)
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{
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result += std::string(x_off, KEY_SPACE);
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result += Charset::utf8ToLocale(ToString(name));
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}
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else
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{
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result += Charset::utf8ToLocale(ToString(name));
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result += std::string(x_off, KEY_SPACE);
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}
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if (it != last)
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{
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// add missing width's part and restore the value.
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remained_width -= width+1;
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result += ' ';
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}
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}
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return result;
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}
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void Display::SongsInColumns(NC::Menu< MPD::Song >& menu, const ProxySongList &pl)
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{
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showSongsInColumns(menu, menu.drawn()->value(), pl);
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}
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void Display::Songs(NC::Menu< MPD::Song >& menu, const ProxySongList &pl, const std::string &format)
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{
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showSongs(menu, menu.drawn()->value(), pl, format);
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}
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#ifdef HAVE_TAGLIB_H
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void Display::Tags(NC::Menu<MPD::MutableSong> &menu)
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{
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const MPD::MutableSong &s = menu.drawn()->value();
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if (s.isModified())
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menu << Config.modified_item_prefix;
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size_t i = myTagEditor->TagTypes->choice();
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if (i < 11)
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{
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ShowTag(menu, Charset::utf8ToLocale(s.getTags(SongInfo::Tags[i].Get, Config.tags_separator)));
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}
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else if (i == 12)
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{
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if (s.getNewName().empty())
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menu << Charset::utf8ToLocale(s.getName());
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else
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menu << Charset::utf8ToLocale(s.getName())
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<< Config.color2 << " -> " << NC::Color::End
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<< Charset::utf8ToLocale(s.getNewName());
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}
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}
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#endif // HAVE_TAGLIB_H
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void Display::Items(NC::Menu<MPD::Item> &menu, const ProxySongList &pl)
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{
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const MPD::Item &item = menu.drawn()->value();
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switch (item.type)
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{
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case MPD::itDirectory:
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menu << "["
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<< Charset::utf8ToLocale(getBasename(item.name))
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<< "]";
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break;
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case MPD::itSong:
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switch (Config.browser_display_mode)
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{
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case DisplayMode::Classic:
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showSongs(menu, *item.song, pl, Config.song_list_format);
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break;
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case DisplayMode::Columns:
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showSongsInColumns(menu, *item.song, pl);
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break;
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}
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break;
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case MPD::itPlaylist:
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menu << Config.browser_playlist_prefix
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<< Charset::utf8ToLocale(getBasename(item.name));
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break;
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}
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}
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void Display::SEItems(NC::Menu<SEItem> &menu, const ProxySongList &pl)
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{
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const SEItem &si = menu.drawn()->value();
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if (si.isSong())
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{
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switch (Config.search_engine_display_mode)
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{
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case DisplayMode::Classic:
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showSongs(menu, si.song(), pl, Config.song_list_format);
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break;
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case DisplayMode::Columns:
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showSongsInColumns(menu, si.song(), pl);
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break;
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}
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}
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else
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menu << si.buffer();
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}
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