Files
cantata/gui/main.cpp

453 lines
16 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2021 Craig Drummond <craig.p.drummond@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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "application.h"
#include <QTranslator>
#include <QTextCodec>
#include <QLibraryInfo>
#include <QDir>
#include <QFile>
#include <QSettings>
#include "support/utils.h"
#include "config.h"
#include "settings.h"
#include "initialsettingswizard.h"
#include "mainwindow.h"
#include "mpd-interface/song.h"
#include "support/thread.h"
#include "db/librarydb.h"
// To enable debug...
#include "mpd-interface/mpdconnection.h"
#include "mpd-interface/mpdparseutils.h"
#include "mpd-interface/cuefile.h"
#include "covers.h"
#include "context/wikipediaengine.h"
#include "context/lastfmengine.h"
#include "context/metaengine.h"
#include "playlists/dynamicplaylists.h"
#ifdef ENABLE_DEVICES_SUPPORT
#include "models/devicesmodel.h"
#endif
#include "streams/streamfetcher.h"
#include "http/httpserver.h"
#include "widgets/songdialog.h"
#include "network/networkaccessmanager.h"
#include "context/ultimatelyricsprovider.h"
#include "tags/taghelperiface.h"
#include "context/contextwidget.h"
#ifdef ENABLE_SCROBBLING
#include "scrobbling/scrobbler.h"
#endif
#include "gui/mediakeys.h"
#ifdef ENABLE_HTTP_STREAM_PLAYBACK
#include "mpd-interface/httpstream.h"
#endif
#ifdef AVAHI_FOUND
#include "avahidiscovery.h"
#endif
#include "customactions.h"
#include <QMutex>
#include <QMutexLocker>
#include <QTextStream>
#include <QDateTime>
#include <QByteArray>
#include <QCommandLineParser>
#include <iostream>
static QMutex msgMutex;
static bool firstMsg=true;
static bool debugToFile=false;
static void cantataQtMsgHandler(QtMsgType, const QMessageLogContext &, const QString &msg)
{
if (debugToFile) {
QMutexLocker locker(&msgMutex);
QFile f(Utils::cacheDir(QString(), true)+"cantata.log");
if (f.open(QIODevice::WriteOnly|QIODevice::Append|QIODevice::Text)) {
QTextStream stream(&f);
if (firstMsg) {
stream << "------------START------------" << CANTATA_ENDL;
firstMsg=false;
}
stream << QDateTime::currentDateTime().toString(Qt::ISODate).replace("T", " ") << " - " << msg << CANTATA_ENDL;
}
} else {
std::cout << QDateTime::currentDateTime().toString(Qt::ISODate).replace("T", " ").toLatin1().constData()
<< " - " << msg.toLocal8Bit().constData() << std::endl;
}
}
static void loadTranslation(const QString &prefix, const QString &path, const QString &overrideLanguage = QString())
{
QString language = overrideLanguage.isEmpty() ? QLocale::system().name() : overrideLanguage;
QTranslator *t = new QTranslator;
if (t->load(prefix+"_"+language, path)) {
QCoreApplication::installTranslator(t);
} else {
delete t;
}
}
static void removeOldFiles(const QString &d, const QStringList &types)
{
if (!d.isEmpty()) {
QDir dir(d);
if (dir.exists()) {
QFileInfoList files=dir.entryInfoList(types, QDir::Files|QDir::NoDotAndDotDot);
for (const QFileInfo &file: files) {
QFile::remove(file.absoluteFilePath());
}
QString dirName=dir.dirName();
if (!dirName.isEmpty()) {
dir.cdUp();
dir.rmdir(dirName);
}
}
}
}
static void removeOldFiles()
{
// Remove Cantata 1.x XML cache files
removeOldFiles(Utils::cacheDir("library"), QStringList() << "*.xml" << "*.xml.gz");
removeOldFiles(Utils::cacheDir("jamendo"), QStringList() << "*.xml.gz");
removeOldFiles(Utils::cacheDir("magnatune"), QStringList() << "*.xml.gz");
}
static QString debugAreas()
{
return QObject::tr("mpd - MPD communication")+QLatin1Char('\n')
+QObject::tr("mpdparse - Parsing of MPD response")+QLatin1Char('\n')
+QObject::tr("cue - Cue file parsing")+QLatin1Char('\n')
+QObject::tr("covers - Cover fetching, and loading")+QLatin1Char('\n')
+QObject::tr("covers-verbose - Cover fetching, and loading (verbose) ")+QLatin1Char('\n')
+QObject::tr("context-wikipedia - Wikipedia info in context view")+QLatin1Char('\n')
+QObject::tr("context-lastfm - Last.fm info in context view")+QLatin1Char('\n')
+QObject::tr("context-widget - General debug in context view")+QLatin1Char('\n')
+QObject::tr("context-lyrics - Lyrics in context view")+QLatin1Char('\n')
+QObject::tr("dynamic - Dynamic playlists")+QLatin1Char('\n')
+QObject::tr("stream-fetcher - Fetching of stream URLs")+QLatin1Char('\n')
+QObject::tr("http-server - Built-in HTTP server")+QLatin1Char('\n')
+QObject::tr("song-dialog - Song dialogs (tags, replaygain, organiser)")+QLatin1Char('\n')
+QObject::tr("network-access - Network access")+QLatin1Char('\n')
+QObject::tr("threads - Threads")+QLatin1Char('\n')
#ifdef ENABLE_SCROBBLING
+QObject::tr("scrobbler - Scrobbling")+QLatin1Char('\n')
#endif
+QObject::tr("sql - SQL access")+QLatin1Char('\n')
+QObject::tr("media-keys - Media-keys")+QLatin1Char('\n')
+QObject::tr("custom-actions - Custom actions")+QLatin1Char('\n')
#ifdef TAGLIB_FOUND
+QObject::tr("tags - Tag reading/writing")+QLatin1Char('\n')
#endif
#ifdef ENABLE_DEVICES_SUPPORT
+QObject::tr("devices - Device support")+QLatin1Char('\n')
#endif
#ifdef ENABLE_HTTP_STREAM_PLAYBACK
+QObject::tr("http-stream - Playback of MPD output streams")+QLatin1Char('\n')
#endif
#ifdef AVAHI_FOUND
+QObject::tr("avahi - Auto-discovery of MPD servers")+QLatin1Char('\n')
#endif
+QObject::tr("all - Enable all debug")+QLatin1Char('\n')
;
}
static void installDebugMessageHandler(const QString &cmdLine)
{
QStringList items=cmdLine.split(",", CANTATA_SKIP_EMPTY);
for (const auto &area: items) {
bool all = QLatin1String("all")==area;
if (all || QLatin1String("mpd")==area) {
MPDConnection::enableDebug();
}
if (all || QLatin1String("mpdparse")==area) {
MPDParseUtils::enableDebug();
}
if (all || QLatin1String("cue")==area) {
CueFile::enableDebug();
}
if (all || QLatin1String("covers")==area) {
Covers::enableDebug(false);
}
if (all || QLatin1String("covers-verbose")==area) {
Covers::enableDebug(true);
}
if (all || QLatin1String("context-wikipedia")==area) {
WikipediaEngine::enableDebug();
}
if (all || QLatin1String("context-lastfm")==area) {
LastFmEngine::enableDebug();
}
if (all || QLatin1String("context-info")==area) {
MetaEngine::enableDebug();
}
if (all || QLatin1String("context-widget")==area) {
ContextWidget::enableDebug();
}
if (all || QLatin1String("dynamic")==area) {
DynamicPlaylists::enableDebug();
}
if (all || QLatin1String("stream-fetcher")==area) {
StreamFetcher::enableDebug();
}
if (all || QLatin1String("http-server")==area) {
HttpServer::enableDebug();
}
if (all || QLatin1String("song-dialog")==area) {
SongDialog::enableDebug();
}
if (all || QLatin1String("network-access")==area) {
NetworkAccessManager::enableDebug();
}
if (all || QLatin1String("context-lyrics")==area) {
UltimateLyricsProvider::enableDebug();
}
if (all || QLatin1String("threads")==area) {
ThreadCleaner::enableDebug();
}
#ifdef ENABLE_SCROBBLING
if (all || QLatin1String("scrobbler")==area) {
Scrobbler::enableDebug();
}
#endif
if (all || QLatin1String("sql")==area) {
LibraryDb::enableDebug();
}
if (all || QLatin1String("media-keys")==area) {
MediaKeys::enableDebug();
}
if (all || QLatin1String("custom-actions")==area) {
CustomActions::enableDebug();
}
#ifdef TAGLIB_FOUND
if (all || QLatin1String("tags")==area) {
TagHelperIface::enableDebug();
}
#endif
#ifdef ENABLE_DEVICES_SUPPORT
if (all || QLatin1String("devices")==area) {
DevicesModel::enableDebug();
}
#endif
#ifdef ENABLE_HTTP_STREAM_PLAYBACK
if (all || QLatin1String("http-stream")==area) {
HttpStream::enableDebug();
}
#endif
#ifdef AVAHI_FOUND
if (all || QLatin1String("avahi")==area) {
AvahiDiscovery::enableDebug();
}
#endif
}
qInstallMessageHandler(cantataQtMsgHandler);
}
#if defined Q_OS_LINUX && defined __GNUC__ && defined __GLIBC__
#include <execinfo.h>
#include <unistd.h>
#include <signal.h>
#include <cxxabi.h>
static void sigHandler(int i)
{
// Adapted from: https://panthema.net/2008/0901-stacktrace-demangled/
// stacktrace.h (c) 2008, Timo Bingmann from http://idlebox.net/
// published under the WTFPL v2.0
static const int constMaxFuncNameLen = 256;
static const int constNumLevels = 15;
void *addrlist[constNumLevels+1];
fprintf(stderr, "Unfortunately Cantata has crashed. Please report a bug at \n"
"https://github.com/CDrummond/cantata/issues/ and include the following stack trace:\n\n");
// retrieve current stack addresses
int addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void*));
if (!addrlen) {
fprintf(stderr, "Failed to produce stack trace!\n");
_exit(0);
}
char ** symbolList = backtrace_symbols(addrlist, addrlen);
char funcName[constMaxFuncNameLen];
// iterate over the returned symbol lines. skip the first, it is the
// address of this function.
for (int i = 1; i < addrlen; i++) {
char *beginName = nullptr;
char *beginOffset = nullptr;
char *endOffset = nullptr;
// find parentheses and +address offset surrounding the mangled name:
// ./module(function+0x15c) [0x8048a6d]
for (char *p = symbolList[i]; *p; ++p) {
if (*p == '(') {
beginName = p;
} else if (*p == '+') {
beginOffset = p;
} else if (*p == ')' && beginOffset) {
endOffset = p;
break;
}
}
if (beginName && beginOffset && endOffset && beginName < beginOffset) {
*beginName++ = '\0';
*beginOffset++ = '\0';
*endOffset = '\0';
// mangled name is now in [begin_name, begin_offset) and caller
// offset in [begin_offset, end_offset). now apply
// __cxa_demangle():
int status = 0;
size_t nameLen = constMaxFuncNameLen;
char * ret = abi::__cxa_demangle(beginName, funcName, &nameLen, &status);
if (!status) {
fprintf(stderr, " %s : %s+%s\n", symbolList[i], ret, beginOffset);
} else {
// demangling failed. Output function name as a C function with
// no arguments.
fprintf(stderr, " %s : %s()+%s\n", symbolList[i], beginName, beginOffset);
}
} else {
// couldn't parse the line? print the whole line.
fprintf(stderr, " %s\n", symbolList[i]);
}
}
free(symbolList);
_exit(1);
}
#endif
int main(int argc, char *argv[])
{
#if defined Q_OS_LINUX && defined __GNUC__ && defined __GLIBC__
signal(SIGSEGV, sigHandler);
#endif
QThread::currentThread()->setObjectName("GUI");
QCoreApplication::setApplicationName(PACKAGE_NAME);
QCoreApplication::setOrganizationName(ORGANIZATION_NAME);
QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
// Dont enable AA_EnableHighDpiScaling - messes up fractional scaling? Issue #1257
//#if QT_VERSION >= 0x050600 && defined Q_OS_WIN
//QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
//#endif
Application app(argc, argv);
app.setApplicationVersion(PACKAGE_VERSION_STRING);
QCommandLineParser cmdLineParser;
cmdLineParser.setApplicationDescription(QObject::tr("MPD Client"));
cmdLineParser.addHelpOption();
cmdLineParser.addVersionOption();
QCommandLineOption debugOption(QStringList() << "d" << "debug", QObject::tr("Comma-separated list of debug areas - possible values:\n")+debugAreas(), "debug", "");
QCommandLineOption debugToFileOption(QStringList() << "f" << "debug-to-file", QObject::tr("Log debug messages to %1").arg(Utils::cacheDir(QString(), true)+"cantata.log"), "", "false");
QCommandLineOption noNetworkOption(QStringList() << "n" << "no-network", QObject::tr("Disable network access"), "", "false");
QCommandLineOption collectionOption(QStringList() << "c" << "collection", QObject::tr("Collection name"), "collection", "");
QCommandLineOption fullscreenOption(QStringList() << "F" << "fullscreen", QObject::tr("Start full screen"), "", "false");
cmdLineParser.addOption(debugOption);
cmdLineParser.addOption(debugToFileOption);
cmdLineParser.addOption(noNetworkOption);
cmdLineParser.addOption(collectionOption);
cmdLineParser.addOption(fullscreenOption);
cmdLineParser.process(app);
QStringList files = cmdLineParser.positionalArguments();
if (!app.start(files)) {
return 0;
}
if (cmdLineParser.isSet(noNetworkOption)) {
NetworkAccessManager::disableNetworkAccess();
}
// Set the permissions on the config file on Unix - it can contain passwords
// for internet services so it's important that other users can't read it.
// On Windows these are stored in the registry instead.
#ifdef Q_OS_UNIX
QSettings s;
// Create the file if it doesn't exist already
if (!QFile::exists(s.fileName())) {
QFile file(s.fileName());
file.open(QIODevice::WriteOnly);
}
// Set -rw-------
QFile::setPermissions(s.fileName(), QFile::ReadOwner | QFile::WriteOwner);
#endif
removeOldFiles();
if (cmdLineParser.isSet(debugOption)) {
installDebugMessageHandler(cmdLineParser.value(debugOption));
debugToFile=cmdLineParser.isSet(debugToFileOption);
}
// Translations
QString lang=Settings::self()->lang();
#if defined Q_OS_WIN || defined Q_OS_MAC
loadTranslation("qt", CANTATA_SYS_TRANS_DIR, lang);
#else
loadTranslation("qt", QLibraryInfo::location(QLibraryInfo::TranslationsPath), lang);
#endif
QString local = Utils::fixPath(QCoreApplication::applicationDirPath())+"translations";
loadTranslation("cantata", QDir(local).exists() ? local : CANTATA_SYS_TRANS_DIR, lang);
Application::init();
if (Settings::self()->firstRun()) {
InitialSettingsWizard wz;
if (QDialog::Rejected==wz.exec()) {
return 0;
}
} else if (cmdLineParser.isSet(collectionOption)) {
QString col = cmdLineParser.value(collectionOption);
if (!col.isEmpty() && col!=Settings::self()->currentConnection()) {
auto collections = Settings::self()->allConnections();
for (const auto &c: collections) {
if (c.name==col) {
Settings::self()->saveCurrentConnection(col);
break;
}
}
}
}
MainWindow mw;
#if defined Q_OS_WIN || defined Q_OS_MAC
app.setActivationWindow(&mw);
#endif // !defined Q_OS_MAC
app.loadFiles(files);
if (cmdLineParser.isSet(fullscreenOption)) {
mw.fullScreen();
}
return app.exec();
}