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Some improvements to reg_key_delete() function.
[mutilities/MUtilities.git] / src / Startup.cpp
index 7524560..0b9137f 100644 (file)
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////
 // MuldeR's Utilities for Qt
-// Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -24,6 +24,7 @@
 #include <MUtils/OSSupport.h>
 #include <MUtils/Terminal.h>
 #include <MUtils/ErrorHandler.h>
+#include <MUtils/Registry.h>
 #include <MUtils/Exception.h>
 
 //Qt
 #include <QMessageBox>
 #include <QtPlugin>
 
+//CRT
+#include <string.h>
+
 ///////////////////////////////////////////////////////////////////////////////
-// Qt Plugin Initialization
+// Qt Static Initialization
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef QT_NODLL
+
 #if QT_VERSION < QT_VERSION_CHECK(5,0,0)
 Q_IMPORT_PLUGIN(qico)
 Q_IMPORT_PLUGIN(qsvg)
@@ -49,7 +54,43 @@ Q_IMPORT_PLUGIN(qsvg)
 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
 Q_IMPORT_PLUGIN(QICOPlugin)
 #endif
-#endif
+
+static void doInitializeResources(void)
+{
+       Q_INIT_RESOURCE(MUtilsData);
+}
+
+static void doCleanupResources(void)
+{
+       Q_CLEANUP_RESOURCE(MUtilsData);
+}
+
+namespace MUtils
+{
+       namespace Startup
+       {
+               namespace Internal
+               {
+                       class ResourceInitializer
+                       {
+                       public:
+                               ResourceInitializer(void)
+                               {
+                                       doInitializeResources();
+                               }
+
+                               ~ResourceInitializer(void)
+                               {
+                                       doCleanupResources();
+                               }
+                       };
+
+                       static ResourceInitializer resourceInitializer;
+               }
+       }
+}
+
+#endif //QT_NODLL
 
 ///////////////////////////////////////////////////////////////////////////////
 // MESSAGE HANDLER
@@ -143,10 +184,53 @@ int MUtils::Startup::startup(int &argc, char **argv, main_function_t *const entr
 static QMutex g_init_lock;
 static const char *const g_imageformats[] = {"bmp", "png", "jpg", "gif", "ico", "xpm", "svg", NULL};
 
+static QString getExecutableName(int &argc, char **argv)
+{
+       if(argc >= 1)
+       {
+               const char *argv0 = argv[0];
+               if(const char *const ptr = strrchr(argv0, '/'))
+               {
+                       argv0 = ptr + 1;
+               }
+               if(const char *const ptr = strrchr(argv0, '\\'))
+               {
+                       argv0 = ptr + 1;
+               }
+               if(strlen(argv0) > 1)
+               {
+                       QString::fromLatin1(argv0);
+               }
+       }
+       return QLatin1String("Program.exe");
+}
+
+static void qt_registry_cleanup(void)
+{
+       static const wchar_t *const KEYS[] =
+       {
+               L"Software\\Trolltech\\OrganizationDefaults\\Qt Factory Cache %s\\com.trolltech.Qt.QImageIOHandlerFactoryInterface:",
+               L"Software\\Trolltech\\OrganizationDefaults\\Qt Plugin Cache %s.false",
+               NULL
+       };
+
+       wchar_t version[32];
+       _snwprintf_s(version, 32, _TRUNCATE, L"%u.%u", (QT_VERSION >> 16), ((QT_VERSION >> 8) & 0xFF));
+
+       for(size_t i = 0; KEYS[i]; i++)
+       {
+               wchar_t key[256];
+               if(_snwprintf_s(key, 256, _TRUNCATE, KEYS[i], version) > 0)
+               {
+                       MUtils::Registry::reg_key_delete(MUtils::Registry::root_user, MUTILS_QSTR(key), true, true);
+               }
+       }
+}
+
 QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &appName)
 {
        QMutexLocker lock(&g_init_lock);
-       const QStringList &arguments = MUtils::OS::arguments();
+       const OS::ArgumentMap &arguments = MUtils::OS::arguments();
 
        //Don't initialized again, if done already
        if(QApplication::instance() != NULL)
@@ -156,22 +240,7 @@ QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &
        }
 
        //Extract executable name from argv[] array
-       QString executableName = QLatin1String("LameXP.exe");
-       if(arguments.count() > 0)
-       {
-               static const char *delimiters = "\\/:?";
-               executableName = arguments[0].trimmed();
-               for(int i = 0; delimiters[i]; i++)
-               {
-                       int temp = executableName.lastIndexOf(QChar(delimiters[i]));
-                       if(temp >= 0) executableName = executableName.mid(temp + 1);
-               }
-               executableName = executableName.trimmed();
-               if(executableName.isEmpty())
-               {
-                       executableName = QLatin1String("LameXP.exe");
-               }
-       }
+       const QString executableName = getExecutableName(argc, argv);
 
        //Check Qt version
 #ifdef QT_BUILD_KEY
@@ -193,7 +262,6 @@ QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &
 #endif
 
        //Check the Windows version
-       
        const MUtils::OS::Version::os_version_t &osVersion = MUtils::OS::os_version();
        if((osVersion.type != MUtils::OS::Version::OS_WINDOWS) || (osVersion < MUtils::OS::Version::WINDOWS_WINXP))
        {
@@ -209,14 +277,14 @@ QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &
        {
                const QString message = QString().sprintf("Running on an unknown WindowsNT-based system (v%u.%u).", osVersion.versionMajor, osVersion.versionMinor);
                qWarning("%s\n", MUTILS_UTF8(message));
-               MUtils::OS::system_message_wrn(MUTILS_WCHR(message), L"LameXP");
+               MUtils::OS::system_message_wrn(L"LameXP", MUTILS_WCHR(message));
        }
 
        //Check for compat mode
        if(osVersion.overrideFlag && (osVersion <= MUtils::OS::Version::WINDOWS_WN100))
        {
                qWarning("Windows compatibility mode detected!");
-               if(!arguments.contains("--ignore-compat-mode", Qt::CaseInsensitive))
+               if(!arguments.contains("ignore-compat-mode"))
                {
                        qFatal("%s", QApplication::tr("Executable '%1' doesn't support Windows compatibility mode.").arg(executableName).toLatin1().constData());
                        return NULL;
@@ -235,6 +303,9 @@ QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &
        //Create Qt application instance
        QApplication *application = new QApplication(argc, argv);
 
+       //Register the Qt clean-up function
+       atexit(qt_registry_cleanup);
+
        //Load plugins from application directory
        QCoreApplication::setLibraryPaths(QStringList() << QApplication::applicationDirPath());
        qDebug("Library Path:\n%s\n", MUTILS_UTF8(QApplication::libraryPaths().first()));
@@ -262,10 +333,10 @@ QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &
 
        //Enable larger/smaller font size
        double fontScaleFactor = 1.0;
-       if(arguments.contains("--huge-font",  Qt::CaseInsensitive)) fontScaleFactor = 1.500;
-       if(arguments.contains("--big-font",   Qt::CaseInsensitive)) fontScaleFactor = 1.250;
-       if(arguments.contains("--small-font", Qt::CaseInsensitive)) fontScaleFactor = 0.875;
-       if(arguments.contains("--tiny-font",  Qt::CaseInsensitive)) fontScaleFactor = 0.750;
+       if(arguments.contains("huge-font" )) fontScaleFactor = 1.500;
+       if(arguments.contains("big-font"  )) fontScaleFactor = 1.250;
+       if(arguments.contains("small-font")) fontScaleFactor = 0.875;
+       if(arguments.contains("tiny-font" )) fontScaleFactor = 0.750;
        if(!qFuzzyCompare(fontScaleFactor, 1.0))
        {
                qWarning("Application font scale factor set to: %.3f\n", fontScaleFactor);