Function for getKeyStrings() and replace without key (just adding)

src/blackmisc/input/keyboardkeylist.h

@@ -18,6 +18,7 @@
 #include "blackmisc/sequence.h"
 #include "blackmisc/variant.h"
 
+#include <QStringList>
 #include <QMetaType>
 #include <initializer_list>
 #include <tuple>
@@ -46,6 +47,9 @@ namespace BlackMisc
             //! Initializer list constructor.
             CKeyboardKeyList(std::initializer_list<CKeyboardKey> il) : CSequence<CKeyboardKey>(il) {}
 
+            //! All key strings
+            QStringList getKeyStrings() const;
+
             //! Get all supported keys
             static const CKeyboardKeyList &allSupportedKeys();
         };