Reload hotkey settings when they have changed

This also includes changing the registration

refs #83

src/blackcore/context_audio_impl.h

@@ -7,9 +7,11 @@
 #define BLACKCORE_CONTEXTAUDIO_IMPL_H
 
 #include "context_audio.h"
+#include "context_settings.h"
 #include "coreruntime.h"
 #include "dbus_server.h"
 #include "voice_vatlib.h"
+#include "blackcore/keyboard.h"
 
 namespace BlackCore
 {
@@ -52,6 +54,9 @@ namespace BlackCore
         //! \copydoc IContextAudio::usingLocalObjects()
         virtual bool usingLocalObjects() const override { return true; }
 
+        //! \brief Initialize voice context
+        void init();
+
     public slots:
         //! \copydoc IContextAudio::setOwnAircraft()
         virtual void setOwnAircraft(const BlackMisc::Aviation::CAircraft &ownAircraft) override;
@@ -119,6 +124,9 @@ namespace BlackCore
         //! \copydoc IContextAudio::getSquelchValue()
         virtual double getSquelchValue() const override;
 
+    private slots:
+        void settingsChanged(IContextSettings::SettingsType type);
+
     private:
         CVoiceVatlib *m_voice; //!< underlying voice lib
         IKeyboard *m_keyboard;