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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "../tools/qtcreatorcrashhandler/crashhandlersetup.h"
#include <app/app_version.h>
#include <extensionsystem/iplugin.h>
#include <extensionsystem/pluginerroroverview.h>
#include <extensionsystem/pluginmanager.h>
#include <extensionsystem/pluginspec.h>
#include <qtsingleapplication.h>
#include <utils/fileutils.h>
#include <utils/hostosinfo.h>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QLibraryInfo>
#include <QLoggingCategory>
#include <QSettings>
#include <QStyle>
#include <QTextStream>
#include <QThreadPool>
#include <QTimer>
#include <QTranslator>
#include <QUrl>
#include <QVariant>
#include <QNetworkProxyFactory>
#include <QApplication>
#include <QMessageBox>
#include <QStandardPaths>
#include <QTemporaryDir>
#ifdef ENABLE_QT_BREAKPAD
#include <qtsystemexceptionhandler.h>
#endif
using namespace ExtensionSystem;
enum { OptionIndent = 4, DescriptionIndent = 34 };
const char appNameC[] = "Qt Creator";
const char corePluginNameC[] = "Core";
const char fixedOptionsC[] =
" [OPTION]... [FILE]...\n"
"Options:\n"
" -help Display this help\n"
" -version Display program version\n"
" -client Attempt to connect to already running first instance\n"
" -settingspath <path> Override the default path where user settings are stored\n"
" -pid <pid> Attempt to connect to instance given by pid\n"
" -block Block until editor is closed\n"
" -pluginpath <path> Add a custom search path for plugins\n";
const char HELP_OPTION1[] = "-h";
const char HELP_OPTION2[] = "-help";
const char HELP_OPTION3[] = "/h";
const char HELP_OPTION4[] = "--help";
const char VERSION_OPTION[] = "-version";
const char CLIENT_OPTION[] = "-client";
const char SETTINGS_OPTION[] = "-settingspath";
const char TEST_OPTION[] = "-test";
const char PID_OPTION[] = "-pid";
const char BLOCK_OPTION[] = "-block";
const char PLUGINPATH_OPTION[] = "-pluginpath";
typedef QList<PluginSpec *> PluginSpecSet;
// Helpers for displaying messages. Note that there is no console on Windows.
// Format as <pre> HTML
static inline QString toHtml(const QString &t)
{
QString res = t;
res.replace(QLatin1Char('&'), QLatin1String("&"));
res.replace(QLatin1Char('<'), QLatin1String("<"));
res.replace(QLatin1Char('>'), QLatin1String(">"));
res.insert(0, QLatin1String("<html><pre>"));
res.append(QLatin1String("</pre></html>"));
return res;
}
static void displayHelpText(const QString &t)
{
if (Utils::HostOsInfo::isWindowsHost())
QMessageBox::information(0, QLatin1String(appNameC), toHtml(t));
else
qWarning("%s", qPrintable(t));
}
static void displayError(const QString &t)
{
if (Utils::HostOsInfo::isWindowsHost())
QMessageBox::critical(0, QLatin1String(appNameC), t);
else
qCritical("%s", qPrintable(t));
}
static void printVersion(const PluginSpec *coreplugin)
{
QString version;
QTextStream str(&version);
str << '\n' << appNameC << ' ' << coreplugin->version()<< " based on Qt " << qVersion() << "\n\n";
PluginManager::formatPluginVersions(str);
str << '\n' << coreplugin->copyright() << '\n';
displayHelpText(version);
}
static void printHelp(const QString &a0)
{
QString help;
QTextStream str(&help);
str << "Usage: " << a0 << fixedOptionsC;
PluginManager::formatOptions(str, OptionIndent, DescriptionIndent);
PluginManager::formatPluginOptions(str, OptionIndent, DescriptionIndent);
displayHelpText(help);
}
static inline QString msgCoreLoadFailure(const QString &why)
{
return QCoreApplication::translate("Application", "Failed to load core: %1").arg(why);
}
static inline int askMsgSendFailed()
{
return QMessageBox::question(0, QApplication::translate("Application","Could not send message"),
QCoreApplication::translate("Application", "Unable to send command line arguments to the already running instance. "
"It appears to be not responding. Do you want to start a new instance of Creator?"),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Retry,
QMessageBox::Retry);
}
static const char *setHighDpiEnvironmentVariable()
{
const char* envVarName = 0;
static const char ENV_VAR_QT_DEVICE_PIXEL_RATIO[] = "QT_DEVICE_PIXEL_RATIO";
#if (QT_VERSION < QT_VERSION_CHECK(5, 6, 0))
if (Utils::HostOsInfo().isWindowsHost()
&& !qEnvironmentVariableIsSet(ENV_VAR_QT_DEVICE_PIXEL_RATIO)) {
envVarName = ENV_VAR_QT_DEVICE_PIXEL_RATIO;
qputenv(envVarName, "auto");
}
#else
if (Utils::HostOsInfo().isWindowsHost()
&& !qEnvironmentVariableIsSet(ENV_VAR_QT_DEVICE_PIXEL_RATIO) // legacy in 5.6, but still functional
&& !qEnvironmentVariableIsSet("QT_AUTO_SCREEN_SCALE_FACTOR")
&& !qEnvironmentVariableIsSet("QT_SCALE_FACTOR")
&& !qEnvironmentVariableIsSet("QT_SCREEN_SCALE_FACTORS")) {
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
}
#endif // < Qt 5.6
return envVarName;
}
// taken from utils/fileutils.cpp. We can not use utils here since that depends app_version.h.
static bool copyRecursively(const QString &srcFilePath,
const QString &tgtFilePath)
{
QFileInfo srcFileInfo(srcFilePath);
if (srcFileInfo.isDir()) {
QDir targetDir(tgtFilePath);
targetDir.cdUp();
if (!targetDir.mkdir(Utils::FileName::fromString(tgtFilePath).fileName()))
return false;
QDir sourceDir(srcFilePath);
QStringList fileNames = sourceDir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System);
foreach (const QString &fileName, fileNames) {
const QString newSrcFilePath
= srcFilePath + QLatin1Char('/') + fileName;
const QString newTgtFilePath
= tgtFilePath + QLatin1Char('/') + fileName;
if (!copyRecursively(newSrcFilePath, newTgtFilePath))
return false;
}
} else {
if (!QFile::copy(srcFilePath, tgtFilePath))
return false;
}
return true;
}
static inline QStringList getPluginPaths()
{
QStringList rc;
// Figure out root: Up one from 'bin'
QDir rootDir = QApplication::applicationDirPath();
rootDir.cdUp();
const QString rootDirPath = rootDir.canonicalPath();
QString pluginPath;
if (Utils::HostOsInfo::isMacHost()) {
// 1) "PlugIns" (OS X)
pluginPath = rootDirPath + QLatin1String("/PlugIns");
rc.push_back(pluginPath);
} else {
// 2) "plugins" (Win/Linux)
pluginPath = rootDirPath;
pluginPath += QLatin1Char('/');
pluginPath += QLatin1String(IDE_LIBRARY_BASENAME);
pluginPath += QLatin1String("/qtcreator/plugins");
rc.push_back(pluginPath);
}
// 3) <localappdata>/plugins/<ideversion>
// where <localappdata> is e.g.
// "%LOCALAPPDATA%\QtProject\qtcreator" on Windows Vista and later
// "$XDG_DATA_HOME/data/QtProject/qtcreator" or "~/.local/share/data/QtProject/qtcreator" on Linux
// "~/Library/Application Support/QtProject/Qt Creator" on Mac
pluginPath = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation);
#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
pluginPath += QLatin1String("/data");
#endif
pluginPath += QLatin1Char('/')
+ QLatin1String(Core::Constants::IDE_SETTINGSVARIANT_STR)
+ QLatin1Char('/');
pluginPath += QLatin1String(Utils::HostOsInfo::isMacHost() ? "Qt Creator" : "qtcreator");
pluginPath += QLatin1String("/plugins/");
pluginPath += QLatin1String(Core::Constants::IDE_VERSION_LONG);
rc.push_back(pluginPath);
return rc;
}
static QSettings *createUserSettings()
{
return new QSettings(QSettings::IniFormat, QSettings::UserScope,
QLatin1String(Core::Constants::IDE_SETTINGSVARIANT_STR),
QLatin1String("QtCreator"));
}
static inline QSettings *userSettings()
{
QSettings *settings = createUserSettings();
const QString fromVariant = QLatin1String(Core::Constants::IDE_COPY_SETTINGS_FROM_VARIANT_STR);
if (fromVariant.isEmpty())
return settings;
// Copy old settings to new ones:
QFileInfo pathFi = QFileInfo(settings->fileName());
if (pathFi.exists()) // already copied.
return settings;
QDir destDir = pathFi.absolutePath();
if (!destDir.exists())
destDir.mkpath(pathFi.absolutePath());
QDir srcDir = destDir;
srcDir.cdUp();
if (!srcDir.cd(fromVariant))
return settings;
if (srcDir == destDir) // Nothing to copy and no settings yet
return settings;
QStringList entries = srcDir.entryList();
foreach (const QString &file, entries) {
const QString lowerFile = file.toLower();
if (lowerFile.startsWith(QLatin1String("profiles.xml"))
|| lowerFile.startsWith(QLatin1String("toolchains.xml"))
|| lowerFile.startsWith(QLatin1String("qtversion.xml"))
|| lowerFile.startsWith(QLatin1String("devices.xml"))
|| lowerFile.startsWith(QLatin1String("debuggers.xml"))
|| lowerFile.startsWith(QLatin1String("qtcreator.")))
QFile::copy(srcDir.absoluteFilePath(file), destDir.absoluteFilePath(file));
if (file == QLatin1String("qtcreator"))
copyRecursively(srcDir.absoluteFilePath(file), destDir.absoluteFilePath(file));
}
// Make sure to use the copied settings:
delete settings;
return createUserSettings();
}
static const char *SHARE_PATH =
Utils::HostOsInfo::isMacHost() ? "/../Resources" : "/../share/qtcreator";
int main(int argc, char **argv)
{
const char *highDpiEnvironmentVariable = setHighDpiEnvironmentVariable();
QLoggingCategory::setFilterRules(QLatin1String("qtc.*.debug=false"));
#ifdef Q_OS_MAC
// increase the number of file that can be opened in Qt Creator.
struct rlimit rl;
getrlimit(RLIMIT_NOFILE, &rl);
rl.rlim_cur = qMin((rlim_t)OPEN_MAX, rl.rlim_max);
setrlimit(RLIMIT_NOFILE, &rl);
#endif
SharedTools::QtSingleApplication app((QLatin1String(appNameC)), argc, argv);
if (highDpiEnvironmentVariable)
qunsetenv(highDpiEnvironmentVariable);
if (Utils::HostOsInfo().isWindowsHost()
&& !qFuzzyCompare(qApp->devicePixelRatio(), 1.0)
&& QApplication::style()->objectName().startsWith(
QLatin1String("windows"), Qt::CaseInsensitive)) {
QApplication::setStyle(QLatin1String("fusion"));
}
const int threadCount = QThreadPool::globalInstance()->maxThreadCount();
QThreadPool::globalInstance()->setMaxThreadCount(qMax(4, 2 * threadCount));
CrashHandlerSetup setupCrashHandler; // Display a backtrace once a serious signal is delivered.
#ifdef ENABLE_QT_BREAKPAD
QtSystemExceptionHandler systemExceptionHandler;
#endif
app.setAttribute(Qt::AA_UseHighDpiPixmaps);
// Manually determine -settingspath command line option
// We can't use the regular way of the plugin manager, because that needs to parse plugin meta data
// but the settings path can influence which plugins are enabled
QString settingsPath;
QStringList customPluginPaths;
QStringList arguments = app.arguments(); // adapted arguments list is passed to plugin manager later
QMutableStringListIterator it(arguments);
bool testOptionProvided = false;
while (it.hasNext()) {
const QString &arg = it.next();
if (arg == QLatin1String(SETTINGS_OPTION)) {
it.remove();
if (it.hasNext()) {
settingsPath = QDir::fromNativeSeparators(it.next());
it.remove();
}
} else if (arg == QLatin1String(PLUGINPATH_OPTION)) {
it.remove();
if (it.hasNext()) {
customPluginPaths << QDir::fromNativeSeparators(it.next());
it.remove();
}
} else if (arg == QLatin1String(TEST_OPTION)) {
testOptionProvided = true;
}
}
QScopedPointer<QTemporaryDir> temporaryCleanSettingsDir;
if (settingsPath.isEmpty() && testOptionProvided) {
const QString settingsPathTemplate = QDir::cleanPath(QDir::tempPath()
+ QString::fromLatin1("/qtc-test-settings-XXXXXX"));
temporaryCleanSettingsDir.reset(new QTemporaryDir(settingsPathTemplate));
if (!temporaryCleanSettingsDir->isValid())
return 1;
settingsPath = temporaryCleanSettingsDir->path();
}
if (!settingsPath.isEmpty())
QSettings::setPath(QSettings::IniFormat, QSettings::UserScope, settingsPath);
// Must be done before any QSettings class is created
QSettings::setPath(QSettings::IniFormat, QSettings::SystemScope,
QCoreApplication::applicationDirPath() + QLatin1String(SHARE_PATH));
QSettings::setDefaultFormat(QSettings::IniFormat);
// plugin manager takes control of this settings object
QSettings *settings = userSettings();
QSettings *globalSettings = new QSettings(QSettings::IniFormat, QSettings::SystemScope,
QLatin1String(Core::Constants::IDE_SETTINGSVARIANT_STR),
QLatin1String("QtCreator"));
PluginManager pluginManager;
PluginManager::setPluginIID(QLatin1String("org.qt-project.Qt.QtCreatorPlugin"));
PluginManager::setGlobalSettings(globalSettings);
PluginManager::setSettings(settings);
QTranslator translator;
QTranslator qtTranslator;
QStringList uiLanguages;
uiLanguages = QLocale::system().uiLanguages();
QString overrideLanguage = settings->value(QLatin1String("General/OverrideLanguage")).toString();
if (!overrideLanguage.isEmpty())
uiLanguages.prepend(overrideLanguage);
const QString &creatorTrPath = QCoreApplication::applicationDirPath()
+ QLatin1String(SHARE_PATH) + QLatin1String("/translations");
foreach (QString locale, uiLanguages) {
locale = QLocale(locale).name();
if (translator.load(QLatin1String("qtcreator_") + locale, creatorTrPath)) {
const QString &qtTrPath = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
const QString &qtTrFile = QLatin1String("qt_") + locale;
// Binary installer puts Qt tr files into creatorTrPath
if (qtTranslator.load(qtTrFile, qtTrPath) || qtTranslator.load(qtTrFile, creatorTrPath)) {
app.installTranslator(&translator);
app.installTranslator(&qtTranslator);
app.setProperty("qtc_locale", locale);
break;
}
translator.load(QString()); // unload()
} else if (locale == QLatin1String("C") /* overrideLanguage == "English" */) {
// use built-in
break;
} else if (locale.startsWith(QLatin1String("en")) /* "English" is built-in */) {
// use built-in
break;
}
}
// Make sure we honor the system's proxy settings
QNetworkProxyFactory::setUseSystemConfiguration(true);
// Load
const QStringList pluginPaths = getPluginPaths() + customPluginPaths;
PluginManager::setPluginPaths(pluginPaths);
QMap<QString, QString> foundAppOptions;
if (arguments.size() > 1) {
QMap<QString, bool> appOptions;
appOptions.insert(QLatin1String(HELP_OPTION1), false);
appOptions.insert(QLatin1String(HELP_OPTION2), false);
appOptions.insert(QLatin1String(HELP_OPTION3), false);
appOptions.insert(QLatin1String(HELP_OPTION4), false);
appOptions.insert(QLatin1String(VERSION_OPTION), false);
appOptions.insert(QLatin1String(CLIENT_OPTION), false);
appOptions.insert(QLatin1String(PID_OPTION), true);
appOptions.insert(QLatin1String(BLOCK_OPTION), false);
QString errorMessage;
if (!PluginManager::parseOptions(arguments, appOptions, &foundAppOptions, &errorMessage)) {
displayError(errorMessage);
printHelp(QFileInfo(app.applicationFilePath()).baseName());
return -1;
}
}
const PluginSpecSet plugins = PluginManager::plugins();
PluginSpec *coreplugin = 0;
foreach (PluginSpec *spec, plugins) {
if (spec->name() == QLatin1String(corePluginNameC)) {
coreplugin = spec;
break;
}
}
if (!coreplugin) {
QString nativePaths = QDir::toNativeSeparators(pluginPaths.join(QLatin1Char(',')));
const QString reason = QCoreApplication::translate("Application", "Could not find Core plugin in %1").arg(nativePaths);
displayError(msgCoreLoadFailure(reason));
return 1;
}
if (!coreplugin->isEffectivelyEnabled()) {
const QString reason = QCoreApplication::translate("Application", "Core plugin is disabled.");
displayError(msgCoreLoadFailure(reason));
return 1;
}
if (coreplugin->hasError()) {
displayError(msgCoreLoadFailure(coreplugin->errorString()));
return 1;
}
if (foundAppOptions.contains(QLatin1String(VERSION_OPTION))) {
printVersion(coreplugin);
return 0;
}
if (foundAppOptions.contains(QLatin1String(HELP_OPTION1))
|| foundAppOptions.contains(QLatin1String(HELP_OPTION2))
|| foundAppOptions.contains(QLatin1String(HELP_OPTION3))
|| foundAppOptions.contains(QLatin1String(HELP_OPTION4))) {
printHelp(QFileInfo(app.applicationFilePath()).baseName());
return 0;
}
qint64 pid = -1;
if (foundAppOptions.contains(QLatin1String(PID_OPTION))) {
QString pidString = foundAppOptions.value(QLatin1String(PID_OPTION));
bool pidOk;
qint64 tmpPid = pidString.toInt(&pidOk);
if (pidOk)
pid = tmpPid;
}
bool isBlock = foundAppOptions.contains(QLatin1String(BLOCK_OPTION));
if (app.isRunning() && (pid != -1 || isBlock
|| foundAppOptions.contains(QLatin1String(CLIENT_OPTION)))) {
app.setBlock(isBlock);
if (app.sendMessage(PluginManager::serializedArguments(), 5000 /*timeout*/, pid))
return 0;
// Message could not be send, maybe it was in the process of quitting
if (app.isRunning(pid)) {
// Nah app is still running, ask the user
int button = askMsgSendFailed();
while (button == QMessageBox::Retry) {
if (app.sendMessage(PluginManager::serializedArguments(), 5000 /*timeout*/, pid))
return 0;
if (!app.isRunning(pid)) // App quit while we were trying so start a new creator
button = QMessageBox::Yes;
else
button = askMsgSendFailed();
}
if (button == QMessageBox::No)
return -1;
}
}
PluginManager::loadPlugins();
if (coreplugin->hasError()) {
displayError(msgCoreLoadFailure(coreplugin->errorString()));
return 1;
}
// Set up remote arguments.
QObject::connect(&app, SIGNAL(messageReceived(QString,QObject*)),
&pluginManager, SLOT(remoteArguments(QString,QObject*)));
QObject::connect(&app, SIGNAL(fileOpenRequest(QString)), coreplugin->plugin(),
SLOT(fileOpenRequest(QString)));
// shutdown plugin manager on the exit
QObject::connect(&app, SIGNAL(aboutToQuit()), &pluginManager, SLOT(shutdown()));
return app.exec();
}
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