first re-commit.

pigstate.h

@@ -0,0 +1,107 @@
+/*****************************************************************************
+
+    source::worx libPiGPio
+    Copyright © 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.
+
+    Uses:
+
+    pigpiod_if2 by joan2937, pigpio @ abyz.me.uk
+    https://abyz.me.uk/rpi/pigpio
+
+    sigslot  by 2017 Pierre-Antoine Lacaze
+    https://github.com/palacaze/sigslot
+
+***************************************************************************/
+
+
+#ifndef PIGSTATE_H
+#define PIGSTATE_H
+
+#include <libpigpio.h>
+#include <pigvalue.h>
+
+
+/**
+ * @brief The pigState class
+ *  set_state ist passiv; change_state kann von 'innen' (per Gui) _oder_ von 'aussen'
+ * (elektrisch) kommen, je nach Zweck der implementierung ...
+ */
+
+class LIBPIGPIO_EXPORT pigState
+{
+
+public:
+
+    signalBool sigState;
+
+    pigState() = default;
+    explicit pigState( bool astate );
+    virtual ~pigState() = default;
+
+    bool state();
+    virtual void set_state( bool newState );
+    void toggle_state();
+
+    // passiv (empfänger) oder aktiv (sender):
+    // die implemetierung entscheidet
+    virtual void change_state( bool newState ) = 0;
+
+    template< typename T >
+    void connect_state( T& listener )
+    {
+        //sigState.connect( [&](bool state) { T::change_state( state ); } );
+        sigState.connect( &T::change_state, &listener );
+    }
+
+protected:
+
+    bool _state = false;
+
+};
+
+template< typename V>
+class LIBPIGPIO_EXPORT pigRec
+{
+
+public:
+
+    virtual void change_x( V newValue )
+    {
+         std::cout << "pigRec:" << newValue << std::endl;
+    }
+
+};
+
+template< typename V>
+class LIBPIGPIO_EXPORT pigFykz
+{
+
+
+public:
+
+    sigslot::signal<V> sigFykz;
+
+    virtual void change_x( V newValue )
+    {
+        std::cout << "pigFykz: " << newValue << std::endl;
+    }
+
+    template< typename T >
+    void connect_x( T& listener )
+    {
+        //sigState.connect( [&](bool state) { T::change_state( state ); } );
+        sigFykz.connect( &T::change_x, &listener );
+    }
+
+};
+
+
+
+
+#endif // PIGSTATE_H