1 files changed, 44 insertions, 0 deletions
diff --git a/launcher/KonamiCode.cpp b/launcher/KonamiCode.cpp
new file mode 100644
index 00000000..46a2a0b2
--- /dev/null
+++ b/launcher/KonamiCode.cpp
@@ -0,0 +1,44 @@
+#include "KonamiCode.h"
+
+#include <array>
+#include <QDebug>
+
+namespace {
+const std::array<Qt::Key, 10> konamiCode =
+{
+    {
+        Qt::Key_Up, Qt::Key_Up,
+        Qt::Key_Down, Qt::Key_Down,
+        Qt::Key_Left, Qt::Key_Right,
+        Qt::Key_Left, Qt::Key_Right,
+        Qt::Key_B, Qt::Key_A
+    }
+};
+}
+
+KonamiCode::KonamiCode(QObject* parent) : QObject(parent)
+{
+}
+
+
+void KonamiCode::input(QEvent* event)
+{
+    if( event->type() == QEvent::KeyPress )
+    {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent*>( event );
+        auto key = Qt::Key(keyEvent->key());
+        if(key == konamiCode[m_progress])
+        {
+            m_progress ++;
+        }
+        else
+        {
+            m_progress = 0;
+        }
+        if(m_progress == static_cast<int>(konamiCode.size()))
+        {
+            m_progress = 0;
+            emit triggered();
+        }
+    }
+}