Set value to digital projector feature when changing it in UI

app/lib/ui/index.js

@@ -75,6 +75,7 @@ gui.updateProj = function (t) {
 		t.value = mcopy.state.projector.pos;
 		gui.counterFormat(t);
 	}
+	proj.setValue(t.value);
 };
 gui.updateState = function () {
 	'use strict';

app/lib/ui/proj.js

@@ -71,4 +71,13 @@ proj.listen = function () {
 	});
 };
 
+proj.setValue = function (val) {
+	'use strict';
+	var obj = {
+		val: val,
+		id : uuid.v4()
+	};
+	ipcRenderer.sendSync('proj', obj);
+}
+
 module.exports = proj;