Fix TouchID not being shown after lid close

Fixes #8945
Fixes #10315

src/gui/DatabaseOpenWidget.cpp

@@ -56,19 +56,6 @@ namespace
         }
         return false;
     }
-
-    bool canPerformQuickUnlock(const QString& filename)
-    {
-        if (isQuickUnlockAvailable()) {
-#if defined(Q_CC_MSVC)
-            return getWindowsHello()->hasKey(filename);
-#elif defined(Q_OS_MACOS)
-            return TouchID::getInstance().containsKey(filename);
-#endif
-        }
-        Q_UNUSED(filename);
-        return false;
-    }
 } // namespace
 
 DatabaseOpenWidget::DatabaseOpenWidget(QWidget* parent)
@@ -191,17 +178,17 @@ void DatabaseOpenWidget::toggleHardwareKeyComponent(bool state)
     }
 }
 
-void DatabaseOpenWidget::showEvent(QShowEvent* event)
+bool DatabaseOpenWidget::event(QEvent* event)
 {
-    DialogyWidget::showEvent(event);
-    if (isOnQuickUnlockScreen()) {
-        m_ui->quickUnlockButton->setFocus();
-        if (!canPerformQuickUnlock(m_filename)) {
+    bool ret = DialogyWidget::event(event);
+
+    switch (event->type()) {
+    case QEvent::Show:
+    case QEvent::WindowActivate: {
+        if (isOnQuickUnlockScreen() && (m_db.isNull() || !canPerformQuickUnlock())) {
             resetQuickUnlock();
         }
-    } else {
-        m_ui->editPassword->setFocus();
-    }
+        toggleQuickUnlockScreen();
         m_hideTimer.stop();
 
 #ifdef WITH_XC_YUBIKEY
@@ -221,12 +208,11 @@ void DatabaseOpenWidget::showEvent(QShowEvent* event)
         m_deviceListener->registerHotplugCallback(true, true, YubiKeyInterfaceUSB::ONLYKEY_USB_VID);
 #endif
 #endif
-}
 
-void DatabaseOpenWidget::hideEvent(QHideEvent* event)
-{
-    DialogyWidget::hideEvent(event);
+        return true;
+    }
 
+    case QEvent::Hide: {
         // Schedule form clearing if we are hidden
         if (!isVisible()) {
             m_hideTimer.start();
@@ -235,6 +221,14 @@ void DatabaseOpenWidget::hideEvent(QHideEvent* event)
 #ifdef WITH_XC_YUBIKEY
         m_deviceListener->deregisterAllHotplugCallbacks();
 #endif
+
+        return true;
+    }
+
+    default:;
+    }
+
+    return ret;
 }
 
 bool DatabaseOpenWidget::unlockingDatabase()
@@ -257,12 +251,7 @@ void DatabaseOpenWidget::load(const QString& filename)
         }
     }
 
-    if (canPerformQuickUnlock(m_filename)) {
-        m_ui->centralStack->setCurrentIndex(1);
-        m_ui->quickUnlockButton->setFocus();
-    } else {
-        m_ui->editPassword->setFocus();
-    }
+    toggleQuickUnlockScreen();
 
 #ifdef WITH_XC_YUBIKEY
     // Do initial auto-poll
@@ -279,8 +268,11 @@ void DatabaseOpenWidget::clearForms()
     m_ui->keyFileLineEdit->setShowPassword(false);
     m_ui->keyFileLineEdit->setClearButtonEnabled(true);
     m_ui->hardwareKeyCombo->clear();
-    m_ui->centralStack->setCurrentIndex(0);
-    m_db.reset();
+    toggleQuickUnlockScreen();
+
+    QString error;
+    m_db.reset(new Database());
+    m_db->open(m_filename, nullptr, &error);
 }
 
 QSharedPointer<Database> DatabaseOpenWidget::database()
@@ -403,7 +395,7 @@ QSharedPointer<CompositeKey> DatabaseOpenWidget::buildDatabaseKey()
 {
     auto databaseKey = QSharedPointer<CompositeKey>::create();
 
-    if (canPerformQuickUnlock(m_filename)) {
+    if (!m_db.isNull() && canPerformQuickUnlock()) {
         // try to retrieve the stored password using Windows Hello
         QByteArray keyData;
 #ifdef Q_CC_MSVC
@@ -602,11 +594,34 @@ void DatabaseOpenWidget::setUserInteractionLock(bool state)
     m_unlockingDatabase = state;
 }
 
-bool DatabaseOpenWidget::isOnQuickUnlockScreen()
+bool DatabaseOpenWidget::canPerformQuickUnlock() const
+{
+    if (!m_db.isNull() && isQuickUnlockAvailable()) {
+#if defined(Q_CC_MSVC)
+        return getWindowsHello()->hasKey(m_filename);
+#elif defined(Q_OS_MACOS)
+        return TouchID::getInstance().containsKey(m_filename);
+#endif
+    }
+    return false;
+}
+
+bool DatabaseOpenWidget::isOnQuickUnlockScreen() const
 {
     return m_ui->centralStack->currentIndex() == 1;
 }
 
+void DatabaseOpenWidget::toggleQuickUnlockScreen()
+{
+    if (canPerformQuickUnlock()) {
+        m_ui->centralStack->setCurrentIndex(1);
+        m_ui->quickUnlockButton->setFocus();
+    } else {
+        m_ui->centralStack->setCurrentIndex(0);
+        m_ui->editPassword->setFocus();
+    }
+}
+
 void DatabaseOpenWidget::triggerQuickUnlock()
 {
     if (isOnQuickUnlockScreen()) {

src/gui/DatabaseOpenWidget.h

@@ -53,7 +53,9 @@ public:
     bool unlockingDatabase();
 
     // Quick Unlock helper functions
-    bool isOnQuickUnlockScreen();
+    bool canPerformQuickUnlock() const;
+    bool isOnQuickUnlockScreen() const;
+    void toggleQuickUnlockScreen();
     void triggerQuickUnlock();
     void resetQuickUnlock();
 
@@ -61,8 +63,7 @@ signals:
     void dialogFinished(bool accepted);
 
 protected:
-    void showEvent(QShowEvent* event) override;
-    void hideEvent(QHideEvent* event) override;
+    bool event(QEvent* event) override;
     QSharedPointer<CompositeKey> buildDatabaseKey();
     void setUserInteractionLock(bool state);
 

src/touchid/TouchID.mm

@@ -341,9 +341,7 @@ bool TouchID::isAvailable()
    // note: we cannot cache the check results because the configuration
    // is dynamic in its nature. User can close the laptop lid or take off
    // the watch, thus making one (or both) of the authentication types unavailable.
-   const bool watchAvailable = isWatchAvailable();
-   const bool touchIdAvailable = isTouchIdAvailable();
-   return  watchAvailable || touchIdAvailable;
+   return  isWatchAvailable() || isTouchIdAvailable();
 }
 
 /**