289 lines
6.9 KiB
C++
289 lines
6.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2010 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 <cerrno>
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#ifdef WIN32
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# include <io.h>
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#else
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# include <sys/stat.h>
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#endif // WIN32
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#include <fstream>
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#include "browser.h"
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#include "charset.h"
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#include "curl_handle.h"
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#include "global.h"
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#include "helpers.h"
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#include "lyrics.h"
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#include "lyrics_fetcher.h"
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#include "playlist.h"
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#include "settings.h"
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#include "song.h"
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#ifdef WIN32
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# define LYRICS_FOLDER HOME_FOLDER"\\lyrics\\"
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#else
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# define LYRICS_FOLDER "/.lyrics"
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#endif // WIN32
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using Global::MainHeight;
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using Global::MainStartY;
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using Global::myScreen;
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using Global::myOldScreen;
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const std::string Lyrics::Folder = home_path + LYRICS_FOLDER;
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Lyrics *myLyrics = new Lyrics;
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void Lyrics::Init()
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{
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w = new Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
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isInitialized = 1;
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}
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void Lyrics::Resize()
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{
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w->Resize(COLS, MainHeight);
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w->MoveTo(0, MainStartY);
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hasToBeResized = 0;
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}
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void Lyrics::Update()
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{
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# ifdef HAVE_CURL_CURL_H
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if (ReadyToTake)
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Take();
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if (DownloadInProgress)
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{
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w->Flush();
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w->Refresh();
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}
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# endif // HAVE_CURL_CURL_H
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if (ReloadNP)
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{
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if (const MPD::Song *s = myPlaylist->NowPlayingSong())
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{
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Global::RedrawHeader = 1;
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itsScrollBegin = 0;
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itsSong = *s;
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Load();
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}
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ReloadNP = 0;
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}
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}
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void Lyrics::SwitchTo()
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{
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if (myScreen == this)
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return myOldScreen->SwitchTo();
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if (!isInitialized)
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Init();
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if (hasToBeResized)
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Resize();
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itsScrollBegin = 0;
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myOldScreen = myScreen;
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myScreen = this;
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// for taking lyrics if they were downloaded
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Update();
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if (const MPD::Song *s = myOldScreen->CurrentSong())
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{
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itsSong = *s;
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Load();
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}
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Global::RedrawHeader = 1;
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}
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std::basic_string<my_char_t> Lyrics::Title()
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{
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std::basic_string<my_char_t> result = U("Lyrics: ");
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result += Scroller(TO_WSTRING(itsSong.toString("{%a - %t}")), itsScrollBegin, w->GetWidth()-result.length()-(Config.new_design ? 2 : Global::VolumeState.length()));
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return result;
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}
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void Lyrics::SpacePressed()
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{
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Config.now_playing_lyrics = !Config.now_playing_lyrics;
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ShowMessage("Reload lyrics if song changes: %s", Config.now_playing_lyrics ? "On" : "Off");
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}
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#ifdef HAVE_CURL_CURL_H
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void *Lyrics::DownloadWrapper(void *this_ptr)
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{
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return static_cast<Lyrics *>(this_ptr)->Download();
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}
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void *Lyrics::Download()
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{
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std::string artist = Curl::escape(locale_to_utf_cpy(itsSong.GetArtist()));
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std::string title = Curl::escape(locale_to_utf_cpy(itsSong.GetTitle()));
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LyricsFetcher::Result result;
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for (LyricsFetcher **plugin = lyricsPlugins; *plugin != 0; ++plugin)
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{
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*w << "Fetching lyrics from " << fmtBold << (*plugin)->name() << fmtBoldEnd << "... ";
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result = (*plugin)->fetch(artist, title);
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if (result.first == false)
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*w << clRed << result.second << clEnd << "\n";
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else
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break;
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}
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if (result.first == true)
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{
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Save(result.second);
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utf_to_locale(result.second);
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w->Clear();
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*w << result.second;
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}
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else
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*w << "\nLyrics weren't found.";
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ReadyToTake = 1;
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pthread_exit(0);
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}
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#endif // HAVE_CURL_CURL_H
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void Lyrics::Load()
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{
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# ifdef HAVE_CURL_CURL_H
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if (DownloadInProgress)
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return;
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# endif // HAVE_CURL_CURL_H
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if (itsSong.GetArtist().empty() || itsSong.GetTitle().empty())
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return;
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itsSong.Localize();
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std::string file = locale_to_utf_cpy(itsSong.GetArtist()) + " - " + locale_to_utf_cpy(itsSong.GetTitle()) + ".txt";
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EscapeUnallowedChars(file);
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itsFilenamePath = Folder + "/" + file;
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mkdir(Folder.c_str()
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# ifndef WIN32
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, 0755
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# endif // !WIN32
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);
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w->Clear();
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w->Reset();
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std::ifstream input(itsFilenamePath.c_str());
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if (input.is_open())
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{
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bool first = 1;
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std::string line;
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while (getline(input, line))
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{
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if (!first)
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*w << "\n";
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utf_to_locale(line);
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*w << line;
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first = 0;
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}
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w->Flush();
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if (ReloadNP)
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w->Refresh();
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}
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else
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{
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# ifdef HAVE_CURL_CURL_H
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pthread_create(&Downloader, 0, DownloadWrapper, this);
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DownloadInProgress = 1;
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# else
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*w << "Local lyrics not found. As ncmpcpp has been compiled without curl support, you can put appropriate lyrics into " << Folder << " directory (file syntax is \"$ARTIST - $TITLE.txt\") or recompile ncmpcpp with curl support.";
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w->Flush();
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# endif
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}
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}
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void Lyrics::Edit()
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{
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if (myScreen != this)
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return;
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if (Config.external_editor.empty())
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{
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ShowMessage("External editor is not set!");
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return;
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}
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ShowMessage("Opening lyrics in external editor...");
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if (Config.use_console_editor)
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{
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system(("/bin/sh -c \"" + Config.external_editor + " \\\"" + itsFilenamePath + "\\\"\"").c_str());
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// below is needed as screen gets cleared, but apparently
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// ncurses doesn't know about it, so we need to reload main screen
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endwin();
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initscr();
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curs_set(0);
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}
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else
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system(("nohup " + Config.external_editor + " \"" + itsFilenamePath + "\" > /dev/null 2>&1 &").c_str());
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}
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void Lyrics::Save(const std::string &lyrics)
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{
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std::ofstream output(itsFilenamePath.c_str());
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if (output.is_open())
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{
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output << lyrics;
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output.close();
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}
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}
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void Lyrics::Refetch()
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{
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std::string path = Folder + "/" + locale_to_utf_cpy(itsSong.GetArtist()) + " - " + locale_to_utf_cpy(itsSong.GetTitle()) + ".txt";
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if (!remove(path.c_str()))
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{
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myScreen = myOldScreen;
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SwitchTo();
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}
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else
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{
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static const char msg[] = "Couldn't remove \"%s\": %s";
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ShowMessage(msg, Shorten(TO_WSTRING(path), COLS-static_strlen(msg)-25).c_str(), strerror(errno));
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}
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}
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#ifdef HAVE_CURL_CURL_H
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void Lyrics::Take()
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{
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assert(ReadyToTake);
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pthread_join(Downloader, 0);
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w->Flush();
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w->Refresh();
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DownloadInProgress = 0;
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ReadyToTake = 0;
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}
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#endif // HAVE_CURL_CURL_H
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