Add hasKey property to database and also make it accessible via the DatabaseWidget.

src/core/Database.cpp

@@ -27,6 +27,7 @@
 
 Database::Database()
 {
+    m_hasKey = false;
     m_metadata = new Metadata(this);
     setRootGroup(new Group());
     rootGroup()->setUuid(Uuid::random());
@@ -164,6 +165,7 @@ void Database::setKey(const CompositeKey& key, const QByteArray& transformSeed,
 {
     m_transformSeed = transformSeed;
     m_transformedMasterKey = key.transform(transformSeed, transformRounds());
+    m_hasKey = true;
     if (updateChangedTime) {
         m_metadata->setMasterKeyChanged(QDateTime::currentDateTime());
     }
@@ -174,3 +176,8 @@ void Database::setKey(const CompositeKey& key)
 {
     setKey(key, Random::randomArray(32));
 }
+
+bool Database::hasKey()
+{
+    return m_hasKey;
+}

src/core/Database.h

@@ -81,6 +81,7 @@ public:
      * Sets the database key and generates a random transform seed.
      */
     void setKey(const CompositeKey& key);
+    bool hasKey();
 
 Q_SIGNALS:
     void groupDataChanged(Group* group);
@@ -103,6 +104,8 @@ private:
     QByteArray m_transformSeed;
     quint64 m_transformRounds;
     QByteArray m_transformedMasterKey;
+
+    bool m_hasKey;
 };
 
 #endif // KEEPASSX_DATABASE_H

src/gui/DatabaseWidget.cpp

@@ -161,7 +161,7 @@ void DatabaseWidget::updateMasterKey(bool accepted)
         m_db->setKey(m_changeMasterKeyWidget->newMasterKey());
 
     }
-    else if (m_db->transformedMasterKey().isEmpty()) { // TODO other test?
+    else if (m_db->hasKey()) {
         Q_EMIT closeRequest();
         return;
     }
@@ -184,3 +184,8 @@ void DatabaseWidget::switchToMasterKeyChange()
     m_changeMasterKeyWidget->clearForms();
     setCurrentIndex(3);
 }
+
+bool DatabaseWidget::dbHasKey()
+{
+    return m_db->hasKey();
+}

src/gui/DatabaseWidget.h

@@ -37,6 +37,7 @@ public:
     explicit DatabaseWidget(Database* db, QWidget* parent = 0);
     GroupView* groupView();
     EntryView* entryView();
+    bool dbHasKey();
 
 Q_SIGNALS:
     void closeRequest();