added light mux class and some ui interaction

FilmLightController/lightmux.cpp

@@ -0,0 +1,44 @@
+#include "lightmux.h"
+
+LightMux::LightMux()
+{
+temperatur = warmest_temperature;
+brightness = 0;
+}
+
+
+void LightMux::decBrightness(){
+    brightness--;
+    if(brightness < 0){
+        brightness = 0;
+    }
+}
+
+void LightMux::incBrightness(){
+    brightness++;
+    if(brightness > 100){
+        brightness = 100;
+    }
+}
+
+void LightMux::warm_Temperature(){
+    temperatur = temperatur - steps_temperature;
+    if(temperatur < warmest_temperature){
+        temperatur = warmest_temperature;
+    }
+}
+
+void LightMux::cold_Temperature(){
+    temperatur = temperatur + steps_temperature;
+    if(temperatur > coldest_temperature){
+        temperatur = coldest_temperature;
+    }
+}
+
+int LightMux::getBrightness(){
+    return brightness;
+}
+
+int LightMux::getTemperature(){
+    return temperatur;
+}