fix #96766: Add a way to reset to factory settings from the UI

mscore/musescore.cpp

@@ -982,6 +982,8 @@ MuseScore::MuseScore()
 
       menuHelp->addSeparator();
       menuHelp->addAction(getAction("resource-manager"));
+      menuHelp->addSeparator();
+      menuHelp->addAction(tr("Revert to factory settings"), this, SLOT(resetAndRestart()));
 
       //accessibility for menus
       foreach (QMenu* menu, mb->findChildren<QMenu*>()) {
@@ -1106,6 +1108,26 @@ void MuseScore::helpBrowser1() const
       QDesktopServices::openUrl(QUrl(help));
       }
 
+//---------------------------------------------------------
+//   resetAndRestart
+//---------------------------------------------------------
+
+void MuseScore::resetAndRestart()
+      {
+      int ret = QMessageBox::question(0, tr("Are you sure?"),
+                  tr("This will reset all your preferences.\n"
+                   "Custom palettes, custom shortcuts, and the list of recent scores will be deleted. "
+                   "MuseScore will restart with its default settings.\n"
+                   "Reverting will not remove any scores from your computer.\n"
+                   "Are you sure you want to proceed?"),
+                   QMessageBox::Yes|QMessageBox::No, QMessageBox::NoButton);
+      if (ret == QMessageBox::Yes ) {
+             close();
+             QStringList args("-F");
+             QProcess::startDetached(qApp->arguments()[0], args);
+             }
+      }
+
 //---------------------------------------------------------
 //   aboutQt
 //---------------------------------------------------------
@@ -4789,6 +4811,7 @@ int main(int argc, char* av[])
             QSettings settings;
             QFile::remove(settings.fileName() + ".lock"); //forcibly remove lock
             QFile::remove(settings.fileName());
+            settings.clear();
             }
 
       // create local plugin directory

mscore/musescore.h

@@ -423,6 +423,7 @@ class MuseScore : public QMainWindow, public MuseScoreCore {
       void cmd(QAction* a, const QString& cmd);
       void autoSaveTimerTimeout();
       void helpBrowser1() const;
+      void resetAndRestart();
       void about();
       void aboutQt();
       void aboutMusicXML();