File indexing completed on 2024-04-28 15:40:39

 /*
 * SPDX-FileCopyrightText: 1999 Matthias Elter <me@kde.org>
 * SPDX-FileCopyrightText: 2002 Patrick Julien <freak@codepimps.org>
 * SPDX-FileCopyrightText: 2015 Boudewijn Rempt <boud@valdyas.org>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
 
 #include <stdlib.h>
 
 #include <QString>
 #include <QPixmap>
 #include <kis_debug.h>
 #include <QProcess>
 #include <QProcessEnvironment>
 #include <QStandardPaths>
 #include <QDir>
 #include <QDate>
 #include <QLocale>
 #include <QSettings>
 #include <QByteArray>
 #include <QMessageBox>
 #include <QThread>
 #include <QLibraryInfo>
 #include <QTranslator>
 
 #include <QOperatingSystemVersion>
 
 #include <time.h>
 
 #include <KisApplication.h>
 #include <KoConfig.h>
 #include <KoResourcePaths.h>
 #include <kis_config.h>
 
 #include "KisDocument.h"
 #include "kis_splash_screen.h"
 #include "KisPart.h"
 #include "KisApplicationArguments.h"
 #include <opengl/kis_opengl.h>
 #include "input/KisQtWidgetsTweaker.h"
 #include <KisUsageLogger.h>
 #include <kis_image_config.h>
 #include "KisUiFont.h"
 #include <KisMainWindow.h>
 
 #include <KisSupportedArchitectures.h>
 
 
 
 #include <KLocalizedTranslator>
 
 #ifdef Q_OS_ANDROID
 #include <QtAndroid>
 #include <KisAndroidCrashHandler.h>
 #endif
 
 #if defined Q_OS_WIN
 #include "config_use_qt_tablet_windows.h"
 #include <windows.h>
 #ifndef USE_QT_TABLET_WINDOWS
 #include <kis_tablet_support_win.h>
 #include <kis_tablet_support_win8.h>
 #else
 #include <dialogs/KisDlgCustomTabletResolution.h>
 #endif
 #include "config-high-dpi-scale-factor-rounding-policy.h"
 #include "config-set-has-border-in-full-screen-default.h"
 #ifdef HAVE_SET_HAS_BORDER_IN_FULL_SCREEN_DEFAULT
 #include <QtPlatformHeaders/QWindowsWindowFunctions>
 #endif
 #include <QLibrary>
 #endif
 #if defined HAVE_KCRASH
 #include <kcrash.h>
 #elif defined USE_DRMINGW
 namespace
 {
 void tryInitDrMingw()
 {
     wchar_t path[MAX_PATH];
     QString pathStr = QCoreApplication::applicationDirPath().replace(L'/', L'\\') + QStringLiteral("\\exchndl.dll");
     if (pathStr.size() > MAX_PATH - 1) {
         return;
     }
     int pathLen = pathStr.toWCharArray(path);
     path[pathLen] = L'\0'; // toWCharArray doesn't add NULL terminator
     HMODULE hMod = LoadLibraryW(path);
     if (!hMod) {
         return;
     }
     // No need to call ExcHndlInit since the crash handler is installed on DllMain
     auto myExcHndlSetLogFileNameA = reinterpret_cast<BOOL (APIENTRY *)(const char *)>(GetProcAddress(hMod, "ExcHndlSetLogFileNameA"));
     if (!myExcHndlSetLogFileNameA) {
         return;
     }
     // Set the log file path to %LocalAppData%\kritacrash.log
     QString logFile = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation).replace(L'/', L'\\') + QStringLiteral("\\kritacrash.log");
     myExcHndlSetLogFileNameA(logFile.toLocal8Bit());
 }
 } // namespace
 #endif
 
 namespace
 {
 
 void installTranslators(KisApplication &app);
 
 } // namespace
 
 #ifdef Q_OS_WIN
 namespace
 {
 typedef enum ORIENTATION_PREFERENCE {
     ORIENTATION_PREFERENCE_NONE = 0x0,
     ORIENTATION_PREFERENCE_LANDSCAPE = 0x1,
     ORIENTATION_PREFERENCE_PORTRAIT = 0x2,
     ORIENTATION_PREFERENCE_LANDSCAPE_FLIPPED = 0x4,
     ORIENTATION_PREFERENCE_PORTRAIT_FLIPPED = 0x8
 } ORIENTATION_PREFERENCE;
 #if !defined(_MSC_VER)
     typedef BOOL WINAPI (*pSetDisplayAutoRotationPreferences_t)(
             ORIENTATION_PREFERENCE orientation
             );
 #else
     typedef BOOL (WINAPI *pSetDisplayAutoRotationPreferences_t)(
         ORIENTATION_PREFERENCE orientation
         );
 #endif
 void resetRotation()
 {
     QLibrary user32Lib("user32");
     if (!user32Lib.load()) {
         qWarning() << "Failed to load user32.dll! This really should not happen.";
         return;
     }
     pSetDisplayAutoRotationPreferences_t pSetDisplayAutoRotationPreferences
             = reinterpret_cast<pSetDisplayAutoRotationPreferences_t>(user32Lib.resolve("SetDisplayAutoRotationPreferences"));
     if (!pSetDisplayAutoRotationPreferences) {
         dbgKrita << "Failed to load function SetDisplayAutoRotationPreferences";
         return;
     }
     bool result = pSetDisplayAutoRotationPreferences(ORIENTATION_PREFERENCE_NONE);
     dbgKrita << "SetDisplayAutoRotationPreferences(ORIENTATION_PREFERENCE_NONE) returned" << result;
 }
 } // namespace
 #endif
 
 #ifdef Q_OS_ANDROID
 extern "C" JNIEXPORT void JNICALL
 Java_org_krita_android_JNIWrappers_saveState(JNIEnv* /*env*/,
                                              jobject /*obj*/,
                                              jint    /*n*/)
 {
     if (!KisPart::exists()) return;
 
     KisPart *kisPart = KisPart::instance();
     QList<QPointer<KisDocument>> list = kisPart->documents();
     for (QPointer<KisDocument> &doc: list)
     {
         doc->autoSaveOnPause();
     }
 
     const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
     QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
     kritarc.setValue("canvasState", "OPENGL_SUCCESS");
 }
 
 extern "C" JNIEXPORT jboolean JNICALL
 Java_org_krita_android_JNIWrappers_exitFullScreen(JNIEnv* /*env*/,
                                                   jobject /*obj*/,
                                                   jint    /*n*/)
 {
     if (!KisPart::exists()) {
         return false;
     }
 
     KisMainWindow *mainWindow = KisPart::instance()->currentMainwindow();
     if (mainWindow && mainWindow->isFullScreen()) {
         // since, this calls KisConfig, we need to make sure it happens on that
         // thread (we get here from the Android Main thread)
         QMetaObject::invokeMethod(mainWindow, "viewFullscreen",
                                   Qt::QueuedConnection, Q_ARG(bool, false));
         return true;
     } else {
         return false;
     }
 }
 
 extern "C" JNIEXPORT jboolean JNICALL
 Java_org_krita_android_JNIWrappers_hasMainWindowLoaded(JNIEnv * /*env*/,
                                                        jobject /*obj*/,
                                                        jint /*n*/)
 {
     if (!KisPart::exists()) {
         return false;
     }
 
     KisMainWindow *mainWindow = KisPart::instance()->currentMainwindow();
     return (bool)mainWindow;
 }
 
 extern "C" JNIEXPORT void JNICALL
 Java_org_krita_android_JNIWrappers_openFileFromIntent(JNIEnv* /*env*/,
                                                       jobject /*obj*/,
                                                       jstring str)
 {
     QAndroidJniObject jUri(str);
     if (jUri.isValid()) {
         QString uri = jUri.toString();
         QMetaObject::invokeMethod(KisApplication::instance(), "fileOpenRequested",
                                   Qt::QueuedConnection, Q_ARG(QString, uri));
     }
 }
 
 #define MAIN_EXPORT __attribute__ ((visibility ("default")))
 #define MAIN_FN main
 #elif defined Q_OS_WIN
 #define MAIN_EXPORT __declspec(dllexport)
 #define MAIN_FN krita_main
 #else
 #define MAIN_EXPORT
 #define MAIN_FN main
 #endif
 
 extern "C" MAIN_EXPORT int MAIN_FN(int argc, char **argv)
 {
 #ifdef Q_OS_WIN
     // Fix QCommandLineParser help output with UTF-8 codepage:
     if (GetACP() == CP_UTF8) {
         SetConsoleOutputCP(CP_UTF8);
     }
 #endif
 
     // The global initialization of the random generator
     qsrand(time(0));
     bool runningInKDE = !qgetenv("KDE_FULL_SESSION").isEmpty();
 
 #if defined HAVE_X11
     qputenv("QT_QPA_PLATFORM", "xcb");
 #endif
 
     // Workaround a bug in QNetworkManager
     qputenv("QT_BEARER_POLL_TIMEOUT", QByteArray::number(-1));
 
     // A per-user unique string, without /, because QLocalServer cannot use names with a / in it
     QString key = "Krita5" + QStandardPaths::writableLocation(QStandardPaths::HomeLocation).replace("/", "_");
     key = key.replace(":", "_").replace("\\","_");
 
     QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
 
     QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings, true);
     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
 
     QCoreApplication::setAttribute(Qt::AA_DisableShaderDiskCache, true);
 
 #ifdef HAVE_HIGH_DPI_SCALE_FACTOR_ROUNDING_POLICY
     // This rounding policy depends on a series of patches to Qt related to
     // https://bugreports.qt.io/browse/QTBUG-53022. These patches are applied
     // in ext_qt for WIndows (patches 0031-0036).
     //
     // The rounding policy can be set externally by setting the environment
     // variable `QT_SCALE_FACTOR_ROUNDING_POLICY` to one of the following:
     //   Round:            Round up for .5 and above.
     //   Ceil:             Always round up.
     //   Floor:            Always round down.
     //   RoundPreferFloor: Round up for .75 and above.
     //   PassThrough:      Don't round.
     //
     // The default is set to RoundPreferFloor for better behaviour than before,
     // but can be overridden by the above environment variable.
     QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::RoundPreferFloor);
 #endif
 
 #ifdef Q_OS_ANDROID
     const QString write_permission = "android.permission.WRITE_EXTERNAL_STORAGE";
     const QStringList permissions = { write_permission };
     const QtAndroid::PermissionResultMap resultHash =
             QtAndroid::requestPermissionsSync(QStringList(permissions));
 
     if (resultHash[write_permission] == QtAndroid::PermissionResult::Denied) {
         // TODO: show a dialog and graciously exit
         dbgKrita << "Permission denied by the user";
     }
     else {
         dbgKrita << "Permission granted";
     }
 
     KisAndroidCrashHandler::handler_init();
 #endif
 
     const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
     QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
 
     bool enableOpenGLDebug = false;
     bool openGLDebugSynchronous = false;
     bool logUsage = true;
     {
         if (kritarc.value("EnableHiDPI", true).toBool()) {
             QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
         }
         if (!qgetenv("KRITA_HIDPI").isEmpty()) {
             QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
         }
 #ifdef HAVE_HIGH_DPI_SCALE_FACTOR_ROUNDING_POLICY
         if (kritarc.value("EnableHiDPIFractionalScaling", false).toBool()) {
             QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
         }
 #endif
 
         if (!qEnvironmentVariableIsEmpty("KRITA_OPENGL_DEBUG")) {
             enableOpenGLDebug = true;
         } else {
             enableOpenGLDebug = kritarc.value("EnableOpenGLDebug", false).toBool();
         }
         if (enableOpenGLDebug && (qgetenv("KRITA_OPENGL_DEBUG") == "sync" || kritarc.value("OpenGLDebugSynchronous", false).toBool())) {
             openGLDebugSynchronous = true;
         }
 
         KisConfig::RootSurfaceFormat rootSurfaceFormat = KisConfig::rootSurfaceFormat(&kritarc);
         KisOpenGL::OpenGLRenderer preferredRenderer = KisOpenGL::RendererAuto;
 
         logUsage = kritarc.value("LogUsage", true).toBool();
 
 #ifdef Q_OS_WIN
         const QString preferredRendererString = kritarc.value("OpenGLRenderer", "angle").toString();
 #else
         const QString preferredRendererString = kritarc.value("OpenGLRenderer", "auto").toString();
 #endif
         preferredRenderer = KisOpenGL::convertConfigToOpenGLRenderer(preferredRendererString);
 
         const KisOpenGL::RendererConfig config =
             KisOpenGL::selectSurfaceConfig(preferredRenderer, rootSurfaceFormat, enableOpenGLDebug);
 
         KisOpenGL::setDefaultSurfaceConfig(config);
         KisOpenGL::setDebugSynchronous(openGLDebugSynchronous);
 
 #ifdef Q_OS_WIN
         // HACK: https://bugs.kde.org/show_bug.cgi?id=390651
         resetRotation();
 #endif
     }
 
     if (logUsage) {
         KisUsageLogger::initialize();
     }
 
 
     QString root;
     QString language;
     {
         // Create a temporary application to get the root
         QCoreApplication app(argc, argv);
         Q_UNUSED(app);
         root = KoResourcePaths::getApplicationRoot();
         QSettings languageoverride(configPath + QStringLiteral("/klanguageoverridesrc"), QSettings::IniFormat);
         languageoverride.beginGroup(QStringLiteral("Language"));
         language = languageoverride.value(qAppName(), "").toString();
     }
 
 
 #ifdef Q_OS_LINUX
     {
         QByteArray originalXdgDataDirs = qgetenv("XDG_DATA_DIRS");
         if (originalXdgDataDirs.isEmpty()) {
             // We don't want to completely override the default
             originalXdgDataDirs = "/usr/local/share/:/usr/share/";
         }
         qputenv("XDG_DATA_DIRS", QFile::encodeName(root + "share") + ":" + originalXdgDataDirs);
 
         // APPIMAGE SOUND ADDITIONS
         // GStreamer needs a few environment variables to properly function in an appimage context.
         // The following code should be configured to **only** run when we detect that Krita is being
         // run within an appimage. Checking for the presence of an APPDIR path env variable seems to be
         // enough to filter out this step for non-appimage krita builds.
 
         const bool isInAppimage = qEnvironmentVariableIsSet("APPIMAGE");
         if (isInAppimage) {
             QByteArray appimageMountDir = qgetenv("APPDIR");
 
             //We need to add new gstreamer plugin paths for the system to find the
             //appropriate plugins.
             const QByteArray gstPluginSystemPath = qgetenv("GST_PLUGIN_SYSTEM_PATH_1_0");
             const QByteArray gstPluginScannerPath = qgetenv("GST_PLUGIN_SCANNER");
 
             //Plugins Path is where libgstreamer-1.0 should expect to find plugin libraries.
             qputenv("GST_PLUGIN_SYSTEM_PATH_1_0", appimageMountDir + QFile::encodeName("/usr/lib/gstreamer-1.0/") + ":" + gstPluginSystemPath);
 
             //Plugin scanner is where gstreamer should expect to find the plugin scanner.
             //Perhaps invoking the scanenr earlier in the code manually could allow ldd to quickly find all plugin dependencies?
             qputenv("GST_PLUGIN_SCANNER", appimageMountDir + QFile::encodeName("/usr/lib/gstreamer-1.0/gst-plugin-scanner"));
         }
     }
 #else
     qputenv("XDG_DATA_DIRS", QFile::encodeName(QDir(root + "share").absolutePath()));
 #endif
 
     dbgKrita << "Setting XDG_DATA_DIRS" << qgetenv("XDG_DATA_DIRS");
 
     // Now that the paths are set, set the language. First check the override from the language
     // selection dialog.
 
     dbgLocale << "Override language:" << language;
     bool rightToLeft = false;
     if (!language.isEmpty()) {
         KLocalizedString::setLanguages(language.split(":"));
 
         // And override Qt's locale, too
         QLocale locale(language.split(":").first());
         QLocale::setDefault(locale);
 #ifdef Q_OS_MAC
         // prevents python >=3.7 nl_langinfo(CODESET) fail bug 417312.
         qputenv("LANG", (locale.name() + ".UTF-8").toLocal8Bit());
 #else
         qputenv("LANG", locale.name().toLocal8Bit());
 #endif
 
         const QStringList rtlLanguages = QStringList()
                 << "ar" << "dv" << "he" << "ha" << "ku" << "fa" << "ps" << "ur" << "yi";
 
         if (rtlLanguages.contains(language.split(':').first())) {
             rightToLeft = true;
         }
     }
     else {
         dbgLocale << "Qt UI languages:" << QLocale::system().uiLanguages() << qgetenv("LANG");
 
         // And if there isn't one, check the one set by the system.
         QLocale locale = QLocale::system();
 
 #ifdef Q_OS_ANDROID
         // QLocale::uiLanguages() fails on Android, so if the fallback locale is being
         // used we, try to fetch the device's default locale.
         if (locale.name() == QLocale::c().name()) {
             QAndroidJniObject localeJniObj = QAndroidJniObject::callStaticObjectMethod(
                 "java/util/Locale", "getDefault", "()Ljava/util/Locale;");
 
             if (localeJniObj.isValid()) {
                 QAndroidJniObject tag = localeJniObj.callObjectMethod("toLanguageTag",
                                                                       "()Ljava/lang/String;");
                 if (tag.isValid()) {
                     locale = QLocale(tag.toString());
                 }
             }
         }
 #endif
         if (locale.name() != QStringLiteral("en")) {
             QStringList uiLanguages = locale.uiLanguages();
             for (QString &uiLanguage : uiLanguages) {
 
                 // This list of language codes that can have a specifier should
                 // be extended whenever we have translations that need it; right
                 // now, only en, pt, zh are in this situation.
 
                 if (uiLanguage.startsWith("en") || uiLanguage.startsWith("pt")) {
                     uiLanguage.replace(QChar('-'), QChar('_'));
                 }
                 else if (uiLanguage.startsWith("zh-Hant") || uiLanguage.startsWith("zh-TW")) {
                     uiLanguage = "zh_TW";
                 }
                 else if (uiLanguage.startsWith("zh-Hans") || uiLanguage.startsWith("zh-CN")) {
                     uiLanguage = "zh_CN";
                 }
             }
 
             if (uiLanguages.size() > 0 ) {
                 QString envLanguage = uiLanguages.first();
                 envLanguage.replace(QChar('-'), QChar('_'));
 
                 for (int i = 0; i < uiLanguages.size(); i++) {
                     QString uiLanguage = uiLanguages[i];
                     // Strip the country code
                     int idx = uiLanguage.indexOf(QChar('-'));
 
                     if (idx != -1) {
                         uiLanguage = uiLanguage.left(idx);
                         uiLanguages.replace(i, uiLanguage);
                     }
                 }
                 dbgLocale << "Converted ui languages:" << uiLanguages;
 #ifdef Q_OS_MAC
                 // See https://bugs.kde.org/show_bug.cgi?id=396370
                 KLocalizedString::setLanguages(QStringList() << uiLanguages.first());
                 qputenv("LANG", (envLanguage + ".UTF-8").toLocal8Bit());
 #else
                 KLocalizedString::setLanguages(QStringList() << uiLanguages);
                 qputenv("LANG", envLanguage.toLocal8Bit());
 #endif
             }
         }
     }
 
     KisUsageLogger::writeLocaleSysInfo();
 
 #if defined Q_OS_WIN && defined USE_QT_TABLET_WINDOWS && defined QT_HAS_WINTAB_SWITCH
     const bool forceWinTab = !KisConfig::useWin8PointerInputNoApp(&kritarc);
     QCoreApplication::setAttribute(Qt::AA_MSWindowsUseWinTabAPI, forceWinTab);
 
     if (qEnvironmentVariableIsEmpty("QT_WINTAB_DESKTOP_RECT") &&
         qEnvironmentVariableIsEmpty("QT_IGNORE_WINTAB_MAPPING")) {
 
         QRect customTabletRect;
         KisDlgCustomTabletResolution::Mode tabletMode =
             KisDlgCustomTabletResolution::getTabletMode(&customTabletRect);
         KisDlgCustomTabletResolution::applyConfiguration(tabletMode, customTabletRect);
     }
 #endif
 
     // first create the application so we can create a pixmap
     KisApplication app(key, argc, argv);
 
     installTranslators(app);
 
     if (app.platformName() == "wayland") {
         QMessageBox::critical(0, i18nc("@title:window", "Fatal Error"), i18n("Krita does not support the Wayland platform. Use XWayland to run Krita on Wayland. Krita will close now."));
         return -1;
     }
 
     KisUsageLogger::writeHeader();
     KisOpenGL::initialize();
 
 #ifdef HAVE_SET_HAS_BORDER_IN_FULL_SCREEN_DEFAULT
     if (QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL)) {
         QWindowsWindowFunctions::setHasBorderInFullScreenDefault(true);
     }
 #endif
 
 
     if (!language.isEmpty()) {
         if (rightToLeft) {
             app.setLayoutDirection(Qt::RightToLeft);
         }
         else {
             app.setLayoutDirection(Qt::LeftToRight);
         }
     }
 #ifdef Q_OS_ANDROID
     KisApplication::setAttribute(Qt::AA_DontUseNativeMenuBar);
 #endif
     // Enable debugging translations from undeployed apps
     KLocalizedString::addDomainLocaleDir("krita", QDir(root + "share/locale").absolutePath());
 
     KLocalizedString::setApplicationDomain("krita");
 
     dbgLocale << "Available translations" << KLocalizedString::availableApplicationTranslations();
     dbgLocale << "Available domain translations" << KLocalizedString::availableDomainTranslations("krita");
 
 
 #ifdef Q_OS_WIN
     QDir appdir(KoResourcePaths::getApplicationRoot());
     QString path = qgetenv("PATH");
     qputenv("PATH", QFile::encodeName(appdir.absolutePath() + "/bin" + ";"
                                       + appdir.absolutePath() + "/lib" + ";"
                                       + appdir.absolutePath() + "/Frameworks" + ";"
                                       + appdir.absolutePath() + ";"
                                       + path));
 
     dbgKrita << "PATH" << qgetenv("PATH");
 #endif
 
     if (qApp->applicationDirPath().contains(KRITA_BUILD_DIR)) {
         qFatal("FATAL: You're trying to run krita from the build location. You can only run Krita from the installation location.");
     }
 
 
 #if defined HAVE_KCRASH
     KCrash::initialize();
 #elif defined USE_DRMINGW
     tryInitDrMingw();
 #endif
 
     KisApplicationArguments args(app);
 
     if (app.isRunning()) {
         // only pass arguments to main instance if they are not for batch processing
         // any batch processing would be done in this separate instance
         const bool batchRun = args.exportAs() || args.exportSequence();
 
         if (!batchRun) {
             QByteArray ba = args.serialize();
             if (app.sendMessage(ba)) {
                 return 0;
             }
         }
     }
 
     if (!runningInKDE) {
         // Icons in menus are ugly and distracting
         app.setAttribute(Qt::AA_DontShowIconsInMenus);
     }
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
     app.setAttribute(Qt::AA_DisableWindowContextHelpButton);
 #endif
     app.installEventFilter(KisQtWidgetsTweaker::instance());
 
     if (!args.noSplash()) {
         QWidget *splash = new KisSplashScreen();
         app.setSplashScreen(splash);
     }
 
 #if defined Q_OS_WIN
     KisConfig cfg(false);
     bool supportedWindowsVersion = true;
     QOperatingSystemVersion osVersion = QOperatingSystemVersion::current();
     if (osVersion.type() == QOperatingSystemVersion::Windows) {
         if (osVersion.majorVersion() >= QOperatingSystemVersion::Windows7.majorVersion()) {
             supportedWindowsVersion  = true;
         }
         else {
             supportedWindowsVersion  = false;
             if (cfg.readEntry("WarnedAboutUnsupportedWindows", false)) {
                 QMessageBox::information(nullptr,
                                          i18nc("@title:window", "Krita: Warning"),
                                          i18n("You are running an unsupported version of Windows: %1.\n"
                                               "This is not recommended. Do not report any bugs.\n"
                                               "Please update to a supported version of Windows: Windows 7, 8, 8.1 or 10.", osVersion.name()));
                 cfg.writeEntry("WarnedAboutUnsupportedWindows", true);
 
             }
         }
     }
 #ifndef USE_QT_TABLET_WINDOWS
     {
         if (cfg.useWin8PointerInput() && !KisTabletSupportWin8::isAvailable()) {
             cfg.setUseWin8PointerInput(false);
         }
         if (!cfg.useWin8PointerInput()) {
             bool hasWinTab = KisTabletSupportWin::init();
             if (!hasWinTab && supportedWindowsVersion) {
                 if (KisTabletSupportWin8::isPenDeviceAvailable()) {
                     // Use WinInk automatically
                     cfg.setUseWin8PointerInput(true);
                 } else if (!cfg.readEntry("WarnedAboutMissingWinTab", false)) {
                     if (KisTabletSupportWin8::isAvailable()) {
                         QMessageBox::information(nullptr,
                                                  i18n("Krita Tablet Support"),
                                                  i18n("Cannot load WinTab driver and no Windows Ink pen devices are found. If you have a drawing tablet, please make sure the tablet driver is properly installed."),
                                                  QMessageBox::Ok, QMessageBox::Ok);
                     } else {
                         QMessageBox::information(nullptr,
                                                  i18n("Krita Tablet Support"),
                                                  i18n("Cannot load WinTab driver. If you have a drawing tablet, please make sure the tablet driver is properly installed."),
                                                  QMessageBox::Ok, QMessageBox::Ok);
                     }
                     cfg.writeEntry("WarnedAboutMissingWinTab", true);
                 }
             }
         }
         if (cfg.useWin8PointerInput()) {
             KisTabletSupportWin8 *penFilter = new KisTabletSupportWin8();
             if (penFilter->init()) {
                 // penFilter.registerPointerDeviceNotifications();
                 app.installNativeEventFilter(penFilter);
                 dbgKrita << "Using Win8 Pointer Input for tablet support";
             } else {
                 dbgKrita << "No Win8 Pointer Input available";
                 delete penFilter;
             }
         }
     }
 #elif defined QT_HAS_WINTAB_SWITCH
     Q_UNUSED(supportedWindowsVersion);
 
     // Check if WinTab/WinInk has actually activated
     const bool useWinInkAPI = !app.testAttribute(Qt::AA_MSWindowsUseWinTabAPI);
 
     if (useWinInkAPI != cfg.useWin8PointerInput()) {
         KisUsageLogger::log("WARNING: WinTab tablet protocol is not supported on this device. Switching to WinInk...");
 
         cfg.setUseWin8PointerInput(useWinInkAPI);
         cfg.setUseRightMiddleTabletButtonWorkaround(true);
     }
 
 #endif
 #endif
     app.setAttribute(Qt::AA_CompressHighFrequencyEvents, false);
 
     // Set up remote arguments.
     QObject::connect(&app, SIGNAL(messageReceived(QByteArray,QObject*)),
                      &app, SLOT(remoteArguments(QByteArray,QObject*)));
 
     QObject::connect(&app, SIGNAL(fileOpenRequest(QString)),
                      &app, SLOT(fileOpenRequested(QString)));
 
     // Hardware information
     KisUsageLogger::writeSysInfo("\nHardware Information\n");
     KisUsageLogger::writeSysInfo(QString("  GPU Acceleration: %1").arg(kritarc.value("OpenGLRenderer", "auto").toString()));
     KisUsageLogger::writeSysInfo(QString("  Memory: %1 Mb").arg(KisImageConfig(true).totalRAM()));
     KisUsageLogger::writeSysInfo(QString("  Number of Cores: %1").arg(QThread::idealThreadCount()));
     KisUsageLogger::writeSysInfo(QString("  Swap Location: %1").arg(KisImageConfig(true).swapDir()));
     KisUsageLogger::writeSysInfo(QString("  Built for: %1").arg(xsimd::current_arch::name()));
     KisUsageLogger::writeSysInfo(QString("  Base instruction set: %1").arg(KisSupportedArchitectures<QString>::currentArchitecture()));
     KisUsageLogger::writeSysInfo(QString("  Supported instruction sets: %1").arg(KisSupportedArchitectures<QString>::supportedInstructionSets()));
 
     KisUsageLogger::writeSysInfo("");
 
     KisConfig(true).logImportantSettings();
 
     app.setFont(KisUiFont::normalFont());
 
     if (!app.start(args)) {
         KisUsageLogger::log("Could not start Krita Application");
         return 1;
     }
 
 
     int state = app.exec();
 
     {
         QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
         kritarc.setValue("canvasState", "OPENGL_SUCCESS");
     }
 
     if (logUsage) {
         KisUsageLogger::close();
     }
 
     return state;
 }
 
 namespace
 {
 
 void removeInstalledTranslators(KisApplication &app)
 {
     // HACK: We try to remove all the translators installed by ECMQmLoader.
     // The reason is that it always load translations for the system locale
     // which interferes with our effort to handle override languages. Since
     // `en_US` (or `en`) strings are defined in code, the QTranslator doesn't
     // actually handle translations for them, so even if we try to install
     // a QTranslator loaded from `en`, the strings always get translated by
     // the system language QTranslator that ECMQmLoader installed instead
     // of the English one.
 
     // ECMQmLoader creates all QTranslator's parented to the active QApp.
     QList<QTranslator *> translators = app.findChildren<QTranslator *>(QString(), Qt::FindDirectChildrenOnly);
     Q_FOREACH(const auto &translator, translators) {
         app.removeTranslator(translator);
     }
     dbgLocale << "Removed" << translators.size() << "QTranslator's";
 }
 
 void installPythonPluginUITranslator(KisApplication &app)
 {
     // Install a KLocalizedTranslator, so that when the bundled Python plugins
     // load their UI files using uic.loadUi() it can be translated.
     // These UI files must specify "pykrita_plugin_ui" as their class names.
     KLocalizedTranslator *translator = new KLocalizedTranslator(&app);
     translator->setObjectName(QStringLiteral("KLocalizedTranslator.pykrita_plugin_ui"));
     translator->setTranslationDomain(QStringLiteral("krita"));
     translator->addContextToMonitor(QStringLiteral("pykrita_plugin_ui"));
     app.installTranslator(translator);
 }
 
 void installQtTranslations(KisApplication &app)
 {
     QStringList qtCatalogs = {
         QStringLiteral("qt_"),
         QStringLiteral("qtbase_"),
         QStringLiteral("qtmultimedia_"),
         QStringLiteral("qtdeclarative_"),
     };
     // A list of locale to add, note that the last added one has the
     // highest precedence.
     QList<QLocale> localeList;
     // We always use English as the final fallback.
     localeList.append(QLocale(QLocale::English));
     QLocale defaultLocale;
     if (defaultLocale.language() != QLocale::English) {
         localeList.append(defaultLocale);
     }
 
     QString translationsPath = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
     dbgLocale << "Qt translations path:" << translationsPath;
 
     Q_FOREACH(const auto &localeToLoad, localeList) {
         Q_FOREACH(const auto &catalog, qtCatalogs) {
             QTranslator *translator = new QTranslator(&app);
             if (translator->load(localeToLoad, catalog, QString(), translationsPath)) {
                 dbgLocale << "Loaded Qt translations for" << localeToLoad << catalog;
                 translator->setObjectName(QStringLiteral("QTranslator.%1.%2").arg(localeToLoad.name(), catalog));
                 app.installTranslator(translator);
             } else {
                 delete translator;
             }
         }
     }
 }
 
 void installEcmTranslations(KisApplication &app)
 {
     // Load translations created using the ECMPoQmTools module.
     // This function is based on the code in:
     // https://invent.kde.org/frameworks/extra-cmake-modules/-/blob/master/modules/ECMQmLoader.cpp.in
 
     QStringList ecmCatalogs = {
         QStringLiteral("kcompletion5_qt"),
         QStringLiteral("kconfig5_qt"),
         QStringLiteral("kcoreaddons5_qt"),
         QStringLiteral("kitemviews5_qt"),
         QStringLiteral("kwidgetsaddons5_qt"),
         QStringLiteral("kwindowsystem5_qt"),
         QStringLiteral("seexpr2_qt"),
     };
 
     QStringList ki18nLangs = KLocalizedString::languages();
     const QString langEn = QStringLiteral("en");
     // Replace "en_US" with "en" because that's what we have in the locale dir.
     int indexOfEnUs = ki18nLangs.indexOf(QStringLiteral("en_US"));
     if (indexOfEnUs != -1) {
         ki18nLangs[indexOfEnUs] = langEn;
     }
     // We need to have "en" to the end of the list, because we explicitly
     // removed the "en" translators added by ECMQmLoader.
     // If "en" is already on the list, we truncate the ones after, because
     // "en" is the catch-all fallback that has the strings in code.
     int indexOfEn = ki18nLangs.indexOf(langEn);
     if (indexOfEn != -1) {
         for (int i = ki18nLangs.size() - indexOfEn - 1; i > 0; i--) {
             ki18nLangs.removeLast();
         }
     } else {
         ki18nLangs.append(langEn);
     }
 
     // The last added one has the highest precedence, so we iterate the
     // list backwards.
     QStringListIterator langIter(ki18nLangs);
     langIter.toBack();
 
     while (langIter.hasPrevious()) {
         const QString &localeDirName = langIter.previous();
         Q_FOREACH(const auto &catalog, ecmCatalogs) {
             QString subPath = QStringLiteral("locale/") % localeDirName % QStringLiteral("/LC_MESSAGES/") % catalog % QStringLiteral(".qm");
 #if defined(Q_OS_ANDROID)
             const QString fullPath = QStringLiteral("assets:/") + subPath;
 #else
             const QString root = QLibraryInfo::location(QLibraryInfo::PrefixPath);
 
             // Our patched k18n uses AppDataLocation (for AppImage). Not using
             // KoResourcePaths::getAppDataLocation is correct here, because we
             // need to look into the installation folder, not the configured appdata
             // folder.
             QString fullPath = QStandardPaths::locate(QStandardPaths::AppDataLocation, subPath);
 
             if (fullPath.isEmpty()) {
                 // ... but distro builds probably still use GenericDataLocation,
                 // so check that too.
                 fullPath = QStandardPaths::locate(QStandardPaths::GenericDataLocation, subPath);
             }
 
             if (fullPath.isEmpty()) {
                 // And, failing all, use the deps install folder
                 fullPath = root + "/share/" + subPath;
             }
 #endif
             if (!QFile::exists(fullPath)) {
                 continue;
             }
 
             QTranslator *translator = new QTranslator(&app);
             if (translator->load(fullPath)) {
                 dbgLocale << "Loaded ECM translations for" << localeDirName << catalog;
                 translator->setObjectName(QStringLiteral("QTranslator.%1.%2").arg(localeDirName, catalog));
                 app.installTranslator(translator);
             } else {
                 delete translator;
             }
         }
     }
 }
 
 void installTranslators(KisApplication &app)
 {
     removeInstalledTranslators(app);
     installPythonPluginUITranslator(app);
     installQtTranslations(app);
     installEcmTranslations(app);
 }
 
 } // namespace