Don't declare QVariant as a meta type if it's already known
[quassel.git] / src / common / quassel.cpp
index 773f409..bf63798 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel IRC Team                         *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
 
 #include "quassel.h"
 
+#include <iostream>
 #include <signal.h>
+#if !defined Q_OS_WIN32 && !defined Q_OS_MAC
+#  include <sys/resource.h>
+#endif
 
 #include <QCoreApplication>
 #include <QDateTime>
-#include <QObject>
-#include <QMetaType>
+#include <QFileInfo>
+#include <QLibraryInfo>
+#include <QSettings>
+#include <QTranslator>
 
 #include "message.h"
 #include "identity.h"
 #include "syncableobject.h"
 
 Quassel::BuildInfo Quassel::_buildInfo;
-CliParser *Quassel::_cliParser = 0;
+AbstractCliParser *Quassel::_cliParser = 0;
 Quassel::RunMode Quassel::_runMode;
+QString Quassel::_configDirPath;
+QString Quassel::_translationDirPath;
+QStringList Quassel::_dataDirPaths;
 bool Quassel::_initialized = false;
 bool Quassel::DEBUG = false;
 QString Quassel::_coreDumpFileName;
+Quassel *Quassel::_instance = 0;
+bool Quassel::_handleCrashes = true;
 
 Quassel::Quassel() {
-  Q_INIT_RESOURCE(i18n);
+  Q_ASSERT(!_instance);
+  _instance = this;
 
   // We catch SIGTERM and SIGINT (caused by Ctrl+C) to graceful shutdown Quassel.
   signal(SIGTERM, handleSignal);
   signal(SIGINT, handleSignal);
-
-  // we have crashhandler for win32 and unix (based on execinfo).
-  // on mac os we use it's integrated backtrace generator
-#if defined(Q_OS_WIN32) || (defined(HAVE_EXECINFO) && !defined(Q_OS_MAC))
-  signal(SIGABRT, handleSignal);
-  signal(SIGSEGV, handleSignal);
-#  ifndef Q_OS_WIN32
-  signal(SIGBUS, handleSignal);
-#  endif
-#endif
-
-  _cliParser = new CliParser();
-
-  // put shared client&core arguments here
-  cliParser()->addSwitch("debug",'d', tr("Enable debug output"));
-  cliParser()->addSwitch("help",'h', tr("Display this help and exit"));
 }
 
 Quassel::~Quassel() {
@@ -73,44 +69,70 @@ bool Quassel::init() {
   if(_initialized)
     return true;  // allow multiple invocations because of MonolithicApplication
 
+  if (_handleCrashes) {
+    // we have crashhandler for win32 and unix (based on execinfo).
+#if defined(Q_OS_WIN32) || defined(HAVE_EXECINFO)
+# ifndef Q_OS_WIN32
+    // we only handle crashes ourselves if coredumps are disabled
+    struct rlimit *limit = (rlimit *) malloc(sizeof(struct rlimit));
+    int rc = getrlimit(RLIMIT_CORE, limit);
+
+    if(rc == -1 || !((long)limit->rlim_cur > 0 || limit->rlim_cur == RLIM_INFINITY)) {
+# endif /* Q_OS_WIN32 */
+      signal(SIGABRT, handleSignal);
+      signal(SIGSEGV, handleSignal);
+# ifndef Q_OS_WIN32
+      signal(SIGBUS, handleSignal);
+    }
+    free(limit);
+# endif /* Q_OS_WIN32 */
+#endif /* Q_OS_WIN32 || HAVE_EXECINFO */
+  }
+
   _initialized = true;
   qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
 
   registerMetaTypes();
 
-  QCoreApplication::setApplicationName(buildInfo().applicationName);
-  QCoreApplication::setOrganizationName(buildInfo().organizationName);
-  QCoreApplication::setOrganizationDomain(buildInfo().organizationDomain);
-
   Network::setDefaultCodecForServer("ISO-8859-1");
   Network::setDefaultCodecForEncoding("UTF-8");
   Network::setDefaultCodecForDecoding("ISO-8859-15");
 
-  if(!cliParser()->parse(QCoreApplication::arguments()) || isOptionSet("help")) {
+  if(isOptionSet("help")) {
     cliParser()->usage();
     return false;
   }
+
+  if(isOptionSet("version")) {
+    std::cout << qPrintable("Quassel IRC: " + Quassel::buildInfo().plainVersionString) << std::endl;
+    return false;
+  }
+
   DEBUG = isOptionSet("debug");
   return true;
 }
 
+void Quassel::quit() {
+  QCoreApplication::quit();
+}
+
 //! Register our custom types with Qt's Meta Object System.
 /**  This makes them available for QVariant and in signals/slots, among other things.
 *
 */
 void Quassel::registerMetaTypes() {
   // Complex types
-  qRegisterMetaType<QVariant>("QVariant");
   qRegisterMetaType<Message>("Message");
   qRegisterMetaType<BufferInfo>("BufferInfo");
   qRegisterMetaType<NetworkInfo>("NetworkInfo");
+  qRegisterMetaType<Network::Server>("Network::Server");
   qRegisterMetaType<Identity>("Identity");
   qRegisterMetaType<Network::ConnectionState>("Network::ConnectionState");
 
-  qRegisterMetaTypeStreamOperators<QVariant>("QVariant");
   qRegisterMetaTypeStreamOperators<Message>("Message");
   qRegisterMetaTypeStreamOperators<BufferInfo>("BufferInfo");
   qRegisterMetaTypeStreamOperators<NetworkInfo>("NetworkInfo");
+  qRegisterMetaTypeStreamOperators<Network::Server>("Network::Server");
   qRegisterMetaTypeStreamOperators<Identity>("Identity");
   qRegisterMetaTypeStreamOperators<qint8>("Network::ConnectionState");
 
@@ -127,12 +149,18 @@ void Quassel::registerMetaTypes() {
   qRegisterMetaTypeStreamOperators<UserId>("UserId");
   qRegisterMetaTypeStreamOperators<AccountId>("AccountId");
   qRegisterMetaTypeStreamOperators<MsgId>("MsgId");
+
+  // Versions of Qt prior to 4.7 didn't define QVariant as a meta type
+  if(!QMetaType::type("QVariant")) {
+    qRegisterMetaType<QVariant>("QVariant");
+    qRegisterMetaTypeStreamOperators<QVariant>("QVariant");
+  }
 }
 
 void Quassel::setupBuildInfo(const QString &generated) {
   _buildInfo.applicationName = "Quassel IRC";
-  _buildInfo.coreApplicationName = "Quassel Core";
-  _buildInfo.clientApplicationName = "Quassel Client";
+  _buildInfo.coreApplicationName = "quasselcore";
+  _buildInfo.clientApplicationName = "quasselclient";
   _buildInfo.organizationName = "Quassel Project";
   _buildInfo.organizationDomain = "quassel-irc.org";
 
@@ -154,8 +182,7 @@ void Quassel::setupBuildInfo(const QString &generated) {
       _buildInfo.plainVersionString = QString("v%1 (dist-%2)")
                                         .arg(_buildInfo.baseVersion)
                                         .arg(_buildInfo.commitHash.left(7));
-                                        _buildInfo.fancyVersionString
-                                           = QString("v%1 (dist-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%3\">%2</a>)")
+      _buildInfo.fancyVersionString = QString("v%1 (dist-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%3\">%2</a>)")
                                         .arg(_buildInfo.baseVersion)
                                         .arg(_buildInfo.commitHash.left(7))
                                         .arg(_buildInfo.commitHash);
@@ -167,13 +194,13 @@ void Quassel::setupBuildInfo(const QString &generated) {
     // analyze what we got from git-describe
     QRegExp rx("(.*)-(\\d+)-g([0-9a-f]+)$");
     if(rx.exactMatch(_buildInfo.generatedVersion)) {
-      QString distance = rx.cap(2) == "0" ? QString() : QString(" [+%1]").arg(rx.cap(2));
-      _buildInfo.plainVersionString = QString("v%1%2 (git-%3%4)")
-                                        .arg(rx.cap(1), distance, rx.cap(3))
+      QString distance = rx.cap(2) == "0" ? QString() : QString("%1+%2 ").arg(rx.cap(1), rx.cap(2));
+      _buildInfo.plainVersionString = QString("v%1 (%2git-%3%4)")
+                                        .arg(_buildInfo.baseVersion, distance, rx.cap(3))
                                         .arg(_buildInfo.isSourceDirty ? "*" : "");
       if(!_buildInfo.commitHash.isEmpty()) {
-        _buildInfo.fancyVersionString = QString("v%1%2 (git-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%5\">%3</a>%4)")
-                                          .arg(rx.cap(1), distance, rx.cap(3))
+        _buildInfo.fancyVersionString = QString("v%1 (%2git-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%5\">%3</a>%4)")
+                                          .arg(_buildInfo.baseVersion, distance, rx.cap(3))
                                           .arg(_buildInfo.isSourceDirty ? "*" : "")
                                           .arg(_buildInfo.commitHash);
       }
@@ -191,7 +218,10 @@ void Quassel::handleSignal(int sig) {
   case SIGTERM:
   case SIGINT:
     qWarning("%s", qPrintable(QString("Caught signal %1 - exiting.").arg(sig)));
-    QCoreApplication::quit();
+    if(_instance)
+      _instance->quit();
+    else
+      QCoreApplication::quit();
     break;
   case SIGABRT:
   case SIGSEGV:
@@ -199,6 +229,7 @@ void Quassel::handleSignal(int sig) {
   case SIGBUS:
 #endif
     logBacktrace(coreDumpFileName());
+    exit(EXIT_FAILURE);
     break;
   default:
     break;
@@ -219,9 +250,18 @@ void Quassel::logFatalMessage(const char *msg) {
 #endif
 }
 
+Quassel::Features Quassel::features() {
+  Features feats = 0;
+  for(int i = 1; i <= NumFeatures; i<<=1)
+    feats |= (Feature) i;
+
+  return feats;
+}
+
 const QString &Quassel::coreDumpFileName() {
   if(_coreDumpFileName.isEmpty()) {
-    _coreDumpFileName = QString("Quassel-Crash-%1.log").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm"));
+    QDir configDir(configDirPath());
+    _coreDumpFileName = configDir.absoluteFilePath(QString("Quassel-Crash-%1.log").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm")));
     QFile dumpFile(_coreDumpFileName);
     dumpFile.open(QIODevice::Append);
     QTextStream dumpStream(&dumpFile);
@@ -232,3 +272,160 @@ const QString &Quassel::coreDumpFileName() {
   }
   return _coreDumpFileName;
 }
+
+QString Quassel::configDirPath() {
+  if(!_configDirPath.isEmpty())
+    return _configDirPath;
+
+  if(Quassel::isOptionSet("datadir")) {
+    qWarning() << "Obsolete option --datadir used!";
+    _configDirPath = Quassel::optionValue("datadir");
+  } else if(Quassel::isOptionSet("configdir")) {
+    _configDirPath = Quassel::optionValue("configdir");
+  } else {
+
+#ifdef Q_WS_MAC
+    // On Mac, the path is always the same
+    _configDirPath = QDir::homePath() + "/Library/Application Support/Quassel/";
+#else
+    // We abuse QSettings to find us a sensible path on the other platforms
+#  ifdef Q_WS_WIN
+    // don't use the registry
+    QSettings::Format format = QSettings::IniFormat;
+#  else
+    QSettings::Format format = QSettings::NativeFormat;
+#  endif
+    QSettings s(format, QSettings::UserScope, QCoreApplication::organizationDomain(), buildInfo().applicationName);
+    QFileInfo fileInfo(s.fileName());
+    _configDirPath = fileInfo.dir().absolutePath();
+#endif /* Q_WS_MAC */
+  }
+
+  if(!_configDirPath.endsWith(QDir::separator()) && !_configDirPath.endsWith('/'))
+    _configDirPath += QDir::separator();
+
+  QDir qDir(_configDirPath);
+  if(!qDir.exists(_configDirPath)) {
+    if(!qDir.mkpath(_configDirPath)) {
+      qCritical() << "Unable to create Quassel config directory:" << qPrintable(qDir.absolutePath());
+      return QString();
+    }
+  }
+
+  return _configDirPath;
+}
+
+QStringList Quassel::dataDirPaths() {
+  return _dataDirPaths;
+}
+
+QStringList Quassel::findDataDirPaths() const {
+  QStringList dataDirNames = QString(qgetenv("XDG_DATA_DIRS")).split(':', QString::SkipEmptyParts);
+
+  if(!dataDirNames.isEmpty()) {
+    for(int i = 0; i < dataDirNames.count(); i++)
+      dataDirNames[i].append("/apps/quassel/");
+  } else {
+  // Provide a fallback
+#ifdef Q_OS_WIN32
+    dataDirNames << qgetenv("APPDATA") + QCoreApplication::organizationDomain() + "/share/apps/quassel/"
+                 << qgetenv("APPDATA") + QCoreApplication::organizationDomain()
+                 << QCoreApplication::applicationDirPath();
+  }
+#elif defined Q_WS_MAC
+    dataDirNames << QDir::homePath() + "/Library/Application Support/Quassel/"
+                 << QCoreApplication::applicationDirPath();
+  }
+#else
+    dataDirNames.append("/usr/share/apps/quassel/");
+  }
+  // on UNIX, we always check our install prefix
+  QString appDir = QCoreApplication::applicationDirPath();
+  int binpos = appDir.lastIndexOf("/bin");
+  if(binpos >= 0) {
+    appDir.replace(binpos, 4, "/share");
+    appDir.append("/apps/quassel/");
+    if(!dataDirNames.contains(appDir))
+      dataDirNames.append(appDir);
+  }
+#endif
+
+  // add resource path and workdir just in case
+  dataDirNames << QCoreApplication::applicationDirPath() + "/data/"
+               << ":/data/";
+
+  // append trailing '/' and check for existence
+  QStringList::Iterator iter = dataDirNames.begin();
+  while(iter != dataDirNames.end()) {
+    if(!iter->endsWith(QDir::separator()) && !iter->endsWith('/'))
+      iter->append(QDir::separator());
+    if(!QFile::exists(*iter))
+      iter = dataDirNames.erase(iter);
+    else
+      ++iter;
+  }
+
+  return dataDirNames;
+}
+
+QString Quassel::findDataFilePath(const QString &fileName) {
+  QStringList dataDirs = dataDirPaths();
+  foreach(QString dataDir, dataDirs) {
+    QString path = dataDir + fileName;
+    if(QFile::exists(path))
+      return path;
+  }
+  return QString();
+}
+
+QStringList Quassel::scriptDirPaths() {
+  QStringList res(configDirPath() + "scripts/");
+  foreach(QString path, dataDirPaths())
+    res << path + "scripts/";
+  return res;
+}
+
+QString Quassel::translationDirPath() {
+  if(_translationDirPath.isEmpty()) {
+    // We support only one translation dir; fallback mechanisms wouldn't work else.
+    // This means that if we have a $data/translations dir, the internal :/i18n resource won't be considered.
+    foreach(const QString &dir, dataDirPaths()) {
+      if(QFile::exists(dir + "translations/")) {
+        _translationDirPath = dir + "translations/";
+        break;
+      }
+    }
+    if(_translationDirPath.isEmpty())
+      _translationDirPath = ":/i18n/";
+  }
+  return _translationDirPath;
+}
+
+void Quassel::loadTranslation(const QLocale &locale) {
+  QTranslator *qtTranslator = QCoreApplication::instance()->findChild<QTranslator *>("QtTr");
+  QTranslator *quasselTranslator = QCoreApplication::instance()->findChild<QTranslator *>("QuasselTr");
+
+  if(qtTranslator)
+    qApp->removeTranslator(qtTranslator);
+  if(quasselTranslator)
+    qApp->removeTranslator(quasselTranslator);
+
+  // We use QLocale::C to indicate that we don't want a translation
+  if(locale.language() == QLocale::C)
+    return;
+
+  qtTranslator = new QTranslator(qApp);
+  qtTranslator->setObjectName("QtTr");
+  qApp->installTranslator(qtTranslator);
+
+  quasselTranslator = new QTranslator(qApp);
+  quasselTranslator->setObjectName("QuasselTr");
+  qApp->installTranslator(quasselTranslator);
+
+  QLocale::setDefault(locale);
+
+  bool success = qtTranslator->load(QString("qt_%1").arg(locale.name()), translationDirPath());
+  if(!success)
+    qtTranslator->load(QString("qt_%1").arg(locale.name()), QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+  quasselTranslator->load(QString("%1").arg(locale.name()), translationDirPath());
+}