first re-commit.

swrangevalue.h

@@ -0,0 +1,49 @@
+/***************************************************************************
+
+    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 SWRANGEVALUE_H
+#define SWRANGEVALUE_H
+
+
+/**
+ * @brief Aspektklasse für 'werthaltige' (Lautstärke, Uhrzeit) Widgets.
+ * @see SWVolumeWidget
+ * @see SWFlipDigit
+ */
+
+class SWRangeValue
+{
+
+public:
+
+    SWRangeValue()          = default;
+    virtual ~SWRangeValue() = default;
+
+    int  value();
+    virtual void setValue( int value );
+    virtual void setRange( int rangeFrom, int rangeTo );
+
+    int  rangeFrom();
+    int  rangeTo();
+
+protected:
+
+    int   _rangeFrom  = 0;
+    int   _rangeTo    = 99;
+    int   _value      = 0;
+
+};
+
+
+#endif // SWRANGEVALUE_H