Clear quick unlock secrets when database tab is closed

src/gui/DatabaseOpenWidget.cpp

@@ -529,8 +529,16 @@ bool DatabaseOpenWidget::isOnQuickUnlockScreen()
     return m_ui->centralStack->currentIndex() == 1;
 }
 
+/**
+ * Reset installed quick unlock secrets.
+ *
+ * It's safe to call this method even if quick unlock is unavailable.
+ */
 void DatabaseOpenWidget::resetQuickUnlock()
 {
+    if (!isQuickUnlockAvailable()) {
+        return;
+    }
 #if defined(Q_CC_MSVC)
     getWindowsHello()->reset(m_filename);
 #elif defined(Q_OS_MACOS)

src/gui/DatabaseOpenWidget.h

@@ -45,6 +45,7 @@ public:
     void clearForms();
     void enterKey(const QString& pw, const QString& keyFile);
     QSharedPointer<Database> database();
+    void resetQuickUnlock();
 
 signals:
     void dialogFinished(bool accepted);
@@ -56,7 +57,6 @@ protected:
     void setUserInteractionLock(bool state);
     // Quick Unlock helper functions
     bool isOnQuickUnlockScreen();
-    void resetQuickUnlock();
 
     const QScopedPointer<Ui::DatabaseOpenWidget> m_ui;
     QSharedPointer<Database> m_db;

src/gui/DatabaseWidget.cpp

@@ -1569,6 +1569,7 @@ void DatabaseWidget::closeEvent(QCloseEvent* event)
         event->ignore();
         return;
     }
+    m_databaseOpenWidget->resetQuickUnlock();
 
     event->accept();
 }