first re-commit.

swbuttongroup.h

@@ -0,0 +1,53 @@
+/***************************************************************************
+
+    source::worx raDIYo
+    Copyright © 2020-2022 c.holzheuer
+    chris@sourceworx.org
+
+    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.
+
+***************************************************************************/
+
+
+#ifndef SWBUTTONGROUP_H
+#define SWBUTTONGROUP_H
+
+#include <QButtonGroup>
+#include <QObject>
+#include <swdialhandler.h>
+
+
+class SWRadioButton;
+
+
+class SWDialButtonGroup : public QButtonGroup, public SWDialHandler
+{
+
+public:
+
+    explicit SWDialButtonGroup(QObject *parent = nullptr);
+
+
+    void      addKeyButton( SWRadioButton* button, int id, const QString& key );
+    SWRadioButton& buttonAt( int id );
+
+    void      setCurrentActiveId( int newID );
+
+
+
+public slots:
+
+    void onDialPushed() override;
+    void onDialDeltaChanged( int delta ) override;
+
+protected:
+
+    int     _checkedID = -1;  // die aktive, ge-checkte id
+    int     _hoverdID  = -1;  // die vom Dial ge-hoverte id
+
+};
+
+#endif // SWBUTTONGROUP_H