New listener system for different components

src/UI.cpp

@@ -19,6 +19,11 @@ void UI::render() {
 
 	if (*lastKey == 100) {
 		debug = !debug;
+		if (debug == true) {
+			for (unsigned i = 0; i < UIListeners.size(); i++) {
+				UIListeners[i]->componentSetup();
+			}
+		}
 	}
 
 	if (debug) {

src/UI.h

@@ -8,6 +8,7 @@
 #ifndef UI_H_
 #define UI_H_
 #include <opencv2/opencv.hpp>
+#include "UIListener.hpp"
 
 class UI {
 	bool debug = false, showSlider = false;
@@ -15,8 +16,8 @@ class UI {
 	int *lastKey;
 	unsigned state = 0;
 	std::vector<cv::Mat> frames = {cv::Mat()};
-	std::vector<void(*)()> debugAddonStarter;
 public:
+	std::vector<UIListener *> UIListeners;
 	UI(int *lastKey);
 	void render();
 	void nextDebugFrame();

src/UIListener.hpp

@@ -0,0 +1,12 @@
+#ifndef UILISTENER_HPP_
+#define UILISTENER_HPP_
+
+
+class UIListener {
+public:
+	virtual void componentSetup() = 0;
+	virtual ~UIListener();
+};
+
+
+#endif /* UILISTENER_HPP_ */