1 files changed, 52 insertions, 0 deletions
diff --git a/main/pinentry-tqt/qt/capslock.h b/main/pinentry-tqt/qt/capslock.h
new file mode 100644
index 00000000..b5a04855
--- /dev/null
+++ b/main/pinentry-tqt/qt/capslock.h
@@ -0,0 +1,52 @@
+/* capslock.h - Helper to check whether Caps Lock is on
+ * Copyright (C) 2021 g10 Code GmbH
+ *
+ * Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __PINENTRY_QT_CAPSLOCK_H__
+#define __PINENTRY_QT_CAPSLOCK_H__
+
+#include <QObject>
+
+#include <memory>
+
+enum class LockState
+{
+    Unknown = -1,
+    Off,
+    On
+};
+
+LockState capsLockState();
+
+class CapsLockWatcher : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit CapsLockWatcher(QObject *parent = nullptr);
+
+Q_SIGNALS:
+    void stateChanged(bool locked);
+
+private:
+    class Private;
+    std::unique_ptr<Private> d;
+};
+
+#endif // __PINENTRY_QT_CAPSLOCK_H__