1 ///////////////////////////////////////////////////////////////////////////////
2 // MuldeR's Utilities for Qt
3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 // http://www.gnu.org/licenses/lgpl-2.1.txt
20 //////////////////////////////////////////////////////////////////////////////////
23 #include <MUtils/Startup.h>
24 #include <MUtils/OSSupport.h>
25 #include <MUtils/Terminal.h>
26 #include <MUtils/ErrorHandler.h>
27 #include <MUtils/Exception.h>
30 #include <QApplication>
32 #include <QStringList>
33 #include <QLibraryInfo>
35 #include <QImageReader>
37 #include <QMessageBox>
40 ///////////////////////////////////////////////////////////////////////////////
41 // Qt Plugin Initialization
42 ///////////////////////////////////////////////////////////////////////////////
45 #if QT_VERSION < QT_VERSION_CHECK(5,0,0)
49 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
50 Q_IMPORT_PLUGIN(QICOPlugin)
54 ///////////////////////////////////////////////////////////////////////////////
56 ///////////////////////////////////////////////////////////////////////////////
58 static void qt_message_handler(QtMsgType type, const char *msg)
60 if((!msg) || (!(msg[0])))
65 MUtils::Terminal::write(type, msg);
67 if((type == QtCriticalMsg) || (type == QtFatalMsg))
69 MUtils::OS::fatal_exit(MUTILS_WCHR(QString::fromUtf8(msg)));
73 static bool qt_event_filter(void *message, long *result)
75 return MUtils::OS::handle_os_message(message, result);
78 ///////////////////////////////////////////////////////////////////////////////
80 ///////////////////////////////////////////////////////////////////////////////
82 static int startup_main(int &argc, char **argv, MUtils::Startup::main_function_t *const entry_point, const char* const appName, const bool &debugConsole)
84 qInstallMsgHandler(qt_message_handler);
85 MUtils::Terminal::setup(argc, argv, appName, MUTILS_DEBUG || debugConsole);
86 return entry_point(argc, argv);
89 static int startup_helper(int &argc, char **argv, MUtils::Startup::main_function_t *const entry_point, const char* const appName, const bool &debugConsole)
94 iResult = startup_main(argc, argv, entry_point, appName, debugConsole);
96 catch(const std::exception &error)
98 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
99 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
103 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
104 MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
109 int MUtils::Startup::startup(int &argc, char **argv, main_function_t *const entry_point, const char* const appName, const bool &debugConsole)
114 _CrtSetDbgFlag(_CRTDBG_CHECK_ALWAYS_DF || _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG));
116 iResult = startup_main(argc, argv, entry_point, appName, debugConsole);
121 MUtils::ErrorHandler::initialize();
122 MUtils::OS::check_debugger();
123 iResult = startup_helper(argc, argv, entry_point, appName, debugConsole);
127 MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnhandeled structured exception error!\n");
128 MUtils::OS::fatal_exit(L"Unhandeled structured exception error, application will exit!");
131 MUtils::ErrorHandler::initialize();
132 MUtils::OS::check_debugger();
133 iResult = startup_helper(argc, argv, entry_point, appName, debugConsole);
135 #endif //MUTILS_DEBUG
139 ///////////////////////////////////////////////////////////////////////////////
141 ///////////////////////////////////////////////////////////////////////////////
143 static QMutex g_init_lock;
144 static const char *const g_imageformats[] = {"bmp", "png", "jpg", "gif", "ico", "xpm", "svg", NULL};
146 QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &appName)
148 QMutexLocker lock(&g_init_lock);
149 const QStringList &arguments = MUtils::OS::arguments();
151 //Don't initialized again, if done already
152 if(QApplication::instance() != NULL)
154 qWarning("Qt is already initialized!");
158 //Extract executable name from argv[] array
159 QString executableName = QLatin1String("LameXP.exe");
160 if(arguments.count() > 0)
162 static const char *delimiters = "\\/:?";
163 executableName = arguments[0].trimmed();
164 for(int i = 0; delimiters[i]; i++)
166 int temp = executableName.lastIndexOf(QChar(delimiters[i]));
167 if(temp >= 0) executableName = executableName.mid(temp + 1);
169 executableName = executableName.trimmed();
170 if(executableName.isEmpty())
172 executableName = QLatin1String("LameXP.exe");
178 qDebug("Using Qt v%s [%s], %s, %s", qVersion(), QLibraryInfo::buildDate().toString(Qt::ISODate).toLatin1().constData(), (qSharedBuild() ? "DLL" : "Static"), QLibraryInfo::buildKey().toLatin1().constData());
179 qDebug("Compiled with Qt v%s [%s], %s\n", QT_VERSION_STR, QT_PACKAGEDATE_STR, QT_BUILD_KEY);
180 if(_stricmp(qVersion(), QT_VERSION_STR))
182 qFatal("%s", QApplication::tr("Executable '%1' requires Qt v%2, but found Qt v%3.").arg(executableName, QString::fromLatin1(QT_VERSION_STR), QString::fromLatin1(qVersion())).toLatin1().constData());
185 if(QLibraryInfo::buildKey().compare(QString::fromLatin1(QT_BUILD_KEY), Qt::CaseInsensitive))
187 qFatal("%s", QApplication::tr("Executable '%1' was built for Qt '%2', but found Qt '%3'.").arg(executableName, QString::fromLatin1(QT_BUILD_KEY), QLibraryInfo::buildKey()).toLatin1().constData());
191 qDebug("Using Qt v%s [%s], %s", qVersion(), QLibraryInfo::buildDate().toString(Qt::ISODate).toLatin1().constData(), (qSharedBuild() ? "DLL" : "Static"));
192 qDebug("Compiled with Qt v%s [%s]\n", QT_VERSION_STR, QT_PACKAGEDATE_STR);
195 //Check the Windows version
197 const MUtils::OS::Version::os_version_t &osVersion = MUtils::OS::os_version();
198 if((osVersion.type != MUtils::OS::Version::OS_WINDOWS) || (osVersion < MUtils::OS::Version::WINDOWS_WINXP))
200 qFatal("%s", QApplication::tr("Executable '%1' requires Windows XP or later.").arg(executableName).toLatin1().constData());
203 //Check whether we are running on a supported Windows version
204 if(const char *const friendlyName = MUtils::OS::os_friendly_name(osVersion))
206 qDebug("Running on %s (NT v%u.%u).\n", friendlyName, osVersion.versionMajor, osVersion.versionMinor);
210 const QString message = QString().sprintf("Running on an unknown WindowsNT-based system (v%u.%u).", osVersion.versionMajor, osVersion.versionMinor);
211 qWarning("%s\n", MUTILS_UTF8(message));
212 MUtils::OS::system_message_wrn(MUTILS_WCHR(message), L"LameXP");
215 //Check for compat mode
216 if(osVersion.overrideFlag && (osVersion <= MUtils::OS::Version::WINDOWS_WN100))
218 qWarning("Windows compatibility mode detected!");
219 if(!arguments.contains("--ignore-compat-mode", Qt::CaseInsensitive))
221 qFatal("%s", QApplication::tr("Executable '%1' doesn't support Windows compatibility mode.").arg(executableName).toLatin1().constData());
227 if(MUtils::OS::running_on_wine())
229 qWarning("It appears we are running under Wine, unexpected things might happen!\n");
232 //Set text Codec for locale
233 QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
235 //Create Qt application instance
236 QApplication *application = new QApplication(argc, argv);
238 //Load plugins from application directory
239 QCoreApplication::setLibraryPaths(QStringList() << QApplication::applicationDirPath());
240 qDebug("Library Path:\n%s\n", MUTILS_UTF8(QApplication::libraryPaths().first()));
242 //Set application properties
243 application->setApplicationName(appName);
244 application->setOrganizationName("LoRd_MuldeR");
245 application->setOrganizationDomain("mulder.at.gg");
246 application->setEventFilter(qt_event_filter);
248 //Check for supported image formats
249 QList<QByteArray> supportedFormats = QImageReader::supportedImageFormats();
250 for(int i = 0; g_imageformats[i]; i++)
252 if(!supportedFormats.contains(g_imageformats[i]))
254 qFatal("Qt initialization error: QImageIOHandler for '%s' missing!", g_imageformats[i]);
255 MUTILS_DELETE(application);
261 MUtils::Terminal::set_icon(QIcon(":/mutils/icons/bug.png"));
263 //Enable larger/smaller font size
264 double fontScaleFactor = 1.0;
265 if(arguments.contains("--huge-font", Qt::CaseInsensitive)) fontScaleFactor = 1.500;
266 if(arguments.contains("--big-font", Qt::CaseInsensitive)) fontScaleFactor = 1.250;
267 if(arguments.contains("--small-font", Qt::CaseInsensitive)) fontScaleFactor = 0.875;
268 if(arguments.contains("--tiny-font", Qt::CaseInsensitive)) fontScaleFactor = 0.750;
269 if(!qFuzzyCompare(fontScaleFactor, 1.0))
271 qWarning("Application font scale factor set to: %.3f\n", fontScaleFactor);
272 QFont appFont = application->font();
273 appFont.setPointSizeF(appFont.pointSizeF() * fontScaleFactor);
274 application->setFont(appFont);
277 //Check for process elevation
278 if(MUtils::OS::is_elevated() && (!MUtils::OS::running_on_wine()))
280 QMessageBox messageBox(QMessageBox::Warning, "LameXP", "<nobr>LameXP was started with 'elevated' rights, altough LameXP does not need these rights.<br>Running an applications with unnecessary rights is a potential security risk!</nobr>", QMessageBox::NoButton, NULL, Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowStaysOnTopHint);
281 messageBox.addButton("Quit Program (Recommended)", QMessageBox::NoRole);
282 messageBox.addButton("Ignore", QMessageBox::NoRole);
283 if(messageBox.exec() == 0)
285 MUTILS_DELETE(application);
290 //Qt created successfully
294 ///////////////////////////////////////////////////////////////////////////////