351 lines
11 KiB
C++
351 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// MuldeR's Utilities for Qt
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// Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// http://www.gnu.org/licenses/lgpl-2.1.txt
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//////////////////////////////////////////////////////////////////////////////////
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//MUtils
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#include <MUtils/Startup.h>
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#include <MUtils/OSSupport.h>
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#include <MUtils/Terminal.h>
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#include <MUtils/ErrorHandler.h>
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#include <MUtils/Registry.h>
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#include <MUtils/Exception.h>
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//Qt
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#include <QApplication>
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#include <QMutex>
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#include <QStringList>
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#include <QLibraryInfo>
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#include <QTextCodec>
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#include <QImageReader>
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#include <QFont>
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#include <QMessageBox>
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#include <QtPlugin>
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//CRT
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#include <string.h>
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///////////////////////////////////////////////////////////////////////////////
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// Qt Static Initialization
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///////////////////////////////////////////////////////////////////////////////
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#ifdef QT_NODLL
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#if QT_VERSION < QT_VERSION_CHECK(5,0,0)
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Q_IMPORT_PLUGIN(qico)
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Q_IMPORT_PLUGIN(qsvg)
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#else
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Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
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Q_IMPORT_PLUGIN(QICOPlugin)
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#endif
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static void doInitializeResources(void)
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{
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Q_INIT_RESOURCE(MUtilsData);
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}
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static void doCleanupResources(void)
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{
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Q_CLEANUP_RESOURCE(MUtilsData);
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}
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namespace MUtils
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{
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namespace Startup
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{
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namespace Internal
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{
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class ResourceInitializer
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{
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public:
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ResourceInitializer(void)
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{
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doInitializeResources();
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}
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~ResourceInitializer(void)
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{
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doCleanupResources();
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}
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};
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static ResourceInitializer resourceInitializer;
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}
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}
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}
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#endif //QT_NODLL
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///////////////////////////////////////////////////////////////////////////////
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// MESSAGE HANDLER
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///////////////////////////////////////////////////////////////////////////////
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static void qt_message_handler(QtMsgType type, const char *msg)
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{
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if((!msg) || (!(msg[0])))
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{
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return;
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}
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MUtils::Terminal::write(type, msg);
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if((type == QtCriticalMsg) || (type == QtFatalMsg))
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{
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MUtils::OS::fatal_exit(MUTILS_WCHR(QString::fromUtf8(msg)));
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}
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}
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static bool qt_event_filter(void *message, long *result)
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{
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return MUtils::OS::handle_os_message(message, result);
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}
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///////////////////////////////////////////////////////////////////////////////
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// STARTUP FUNCTION
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///////////////////////////////////////////////////////////////////////////////
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static int startup_main(int &argc, char **argv, MUtils::Startup::main_function_t *const entry_point, const char* const appName, const bool &debugConsole)
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{
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qInstallMsgHandler(qt_message_handler);
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MUtils::Terminal::setup(argc, argv, appName, MUTILS_DEBUG || debugConsole);
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return entry_point(argc, argv);
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}
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static int startup_helper(int &argc, char **argv, MUtils::Startup::main_function_t *const entry_point, const char* const appName, const bool &debugConsole)
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{
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int iResult = -1;
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try
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{
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iResult = startup_main(argc, argv, entry_point, appName, debugConsole);
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}
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catch(const std::exception &error)
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{
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MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
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MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
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}
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catch(...)
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{
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MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
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MUtils::OS::fatal_exit(L"Unhandeled C++ exception error, application will exit!");
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}
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return iResult;
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}
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int MUtils::Startup::startup(int &argc, char **argv, main_function_t *const entry_point, const char* const appName, const bool &debugConsole)
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{
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int iResult = -1;
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#if (MUTILS_DEBUG)
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#ifdef _MSC_VER
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_CrtSetDbgFlag(_CRTDBG_CHECK_ALWAYS_DF || _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG));
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#endif //_MSCVER
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iResult = startup_main(argc, argv, entry_point, appName, debugConsole);
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#else //MUTILS_DEBUG
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#ifdef _MSC_VER
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__try
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{
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MUtils::ErrorHandler::initialize();
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MUtils::OS::check_debugger();
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iResult = startup_helper(argc, argv, entry_point, appName, debugConsole);
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}
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__except(1)
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{
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MUTILS_PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnhandeled structured exception error!\n");
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MUtils::OS::fatal_exit(L"Unhandeled structured exception error, application will exit!");
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}
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#else //_MSCVER
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MUtils::ErrorHandler::initialize();
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MUtils::OS::check_debugger();
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iResult = startup_helper(argc, argv, entry_point, appName, debugConsole);
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#endif //_MSCVER
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#endif //MUTILS_DEBUG
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return iResult;
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}
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///////////////////////////////////////////////////////////////////////////////
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// QT INITIALIZATION
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///////////////////////////////////////////////////////////////////////////////
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static QMutex g_init_lock;
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static const char *const g_imageformats[] = {"bmp", "png", "jpg", "gif", "ico", "xpm", "svg", NULL};
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static QString getExecutableName(int &argc, char **argv)
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{
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if(argc >= 1)
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{
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const char *argv0 = argv[0];
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for (int i = 0; i < 2; i++)
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{
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static const char SEP[2] = { '/', '\\' };
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if (const char *const ptr = strrchr(argv0, SEP[i]))
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{
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argv0 = ptr + 1;
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}
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}
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if(strlen(argv0) > 1)
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{
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return QString::fromLatin1(argv0);
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}
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}
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return QLatin1String("Program.exe");
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}
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static void qt_registry_cleanup(void)
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{
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static const wchar_t *const QT_JUNK_KEY = L"Software\\Trolltech\\OrganizationDefaults";
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MUtils::Registry::reg_key_delete(MUtils::Registry::root_user, MUTILS_QSTR(QT_JUNK_KEY), true, true);
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}
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QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &appName)
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{
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QMutexLocker lock(&g_init_lock);
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const OS::ArgumentMap &arguments = MUtils::OS::arguments();
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//Don't initialized again, if done already
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if(QApplication::instance() != NULL)
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{
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qWarning("Qt is already initialized!");
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return NULL;
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}
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//Extract executable name from argv[] array
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const QString executableName = getExecutableName(argc, argv);
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//Check Qt version
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#ifdef QT_BUILD_KEY
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qDebug("Using Qt v%s [%s], %s, %s", qVersion(), QLibraryInfo::buildDate().toString(Qt::ISODate).toLatin1().constData(), (qSharedBuild() ? "DLL" : "Static"), QLibraryInfo::buildKey().toLatin1().constData());
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qDebug("Compiled with Qt v%s [%s], %s\n", QT_VERSION_STR, QT_PACKAGEDATE_STR, QT_BUILD_KEY);
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if(_stricmp(qVersion(), QT_VERSION_STR))
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{
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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());
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return false;
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}
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if(QLibraryInfo::buildKey().compare(QString::fromLatin1(QT_BUILD_KEY), Qt::CaseInsensitive))
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{
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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());
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return false;
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}
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#else
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qDebug("Using Qt v%s [%s], %s", qVersion(), QLibraryInfo::buildDate().toString(Qt::ISODate).toLatin1().constData(), (qSharedBuild() ? "DLL" : "Static"));
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qDebug("Compiled with Qt v%s [%s]\n", QT_VERSION_STR, QT_PACKAGEDATE_STR);
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#endif
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//Check the Windows version
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const MUtils::OS::Version::os_version_t &osVersion = MUtils::OS::os_version();
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if((osVersion.type != MUtils::OS::Version::OS_WINDOWS) || (osVersion < MUtils::OS::Version::WINDOWS_WINXP))
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{
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qFatal("%s", QApplication::tr("Executable '%1' requires Windows XP or later.").arg(executableName).toLatin1().constData());
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}
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//Check whether we are running on a supported Windows version
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if(const char *const friendlyName = MUtils::OS::os_friendly_name(osVersion))
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{
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qDebug("Running on %s (NT v%u.%u.%u).\n", friendlyName, osVersion.versionMajor, osVersion.versionMinor, osVersion.versionBuild);
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}
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else
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{
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const QString message = QString().sprintf("Running on an unknown WindowsNT-based system (v%u.%u.%u).", osVersion.versionMajor, osVersion.versionMinor, osVersion.versionBuild);
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qWarning("%s\n", MUTILS_UTF8(message));
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MUtils::OS::system_message_wrn(MUTILS_WCHR(executableName), MUTILS_WCHR(message));
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}
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//Check for compat mode
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if(osVersion.overrideFlag && (osVersion <= MUtils::OS::Version::WINDOWS_WN100))
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{
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qWarning("Windows compatibility mode detected!");
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if(!arguments.contains("ignore-compat-mode"))
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{
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qFatal("%s", QApplication::tr("Executable '%1' doesn't support Windows compatibility mode.").arg(executableName).toLatin1().constData());
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return NULL;
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}
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}
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//Check for Wine
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if(MUtils::OS::running_on_wine())
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{
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qWarning("It appears we are running under Wine, unexpected things might happen!\n");
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}
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//Set text Codec for locale
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QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
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//Create Qt application instance
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QApplication *application = new QApplication(argc, argv);
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//Register the Qt clean-up function
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atexit(qt_registry_cleanup);
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//Load plugins from application directory
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QCoreApplication::setLibraryPaths(QStringList() << QApplication::applicationDirPath());
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qDebug("Library Path:\n%s\n", MUTILS_UTF8(QApplication::libraryPaths().first()));
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//Set application properties
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application->setApplicationName(appName);
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application->setOrganizationName("LoRd_MuldeR");
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application->setOrganizationDomain("mulder.at.gg");
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application->setEventFilter(qt_event_filter);
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//Check for supported image formats
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QList<QByteArray> supportedFormats = QImageReader::supportedImageFormats();
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for(int i = 0; g_imageformats[i]; i++)
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{
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if(!supportedFormats.contains(g_imageformats[i]))
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{
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qFatal("Qt initialization error: QImageIOHandler for '%s' missing!", g_imageformats[i]);
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MUTILS_DELETE(application);
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return NULL;
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}
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}
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//Setup console icon
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MUtils::Terminal::set_icon(QIcon(":/mutils/icons/bug.png"));
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//Enable larger/smaller font size
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double fontScaleFactor = 1.0;
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if(arguments.contains("huge-font" )) fontScaleFactor = 1.500;
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if(arguments.contains("big-font" )) fontScaleFactor = 1.250;
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if(arguments.contains("small-font")) fontScaleFactor = 0.875;
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if(arguments.contains("tiny-font" )) fontScaleFactor = 0.750;
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if(!qFuzzyCompare(fontScaleFactor, 1.0))
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{
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qWarning("Application font scale factor set to: %.3f\n", fontScaleFactor);
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QFont appFont = application->font();
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appFont.setPointSizeF(appFont.pointSizeF() * fontScaleFactor);
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application->setFont(appFont);
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}
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//Check for process elevation
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if(MUtils::OS::is_elevated() && (!MUtils::OS::running_on_wine()))
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{
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QMessageBox messageBox(QMessageBox::Warning, executableName, "<nobr>This program was started with 'elevated' rights, altough it 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);
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messageBox.addButton("Quit Program (Recommended)", QMessageBox::NoRole);
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messageBox.addButton("Ignore", QMessageBox::NoRole);
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if(messageBox.exec() == 0)
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{
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MUTILS_DELETE(application);
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return NULL;
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}
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}
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//Qt created successfully
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return application;
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}
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///////////////////////////////////////////////////////////////////////////////
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