made toggleAnimation a slot

headers/Mandelbrot.h

@@ -10,12 +10,13 @@ public:
 	void init(GLuint);
 	void draw();
 	void updateAnimation();
-	void toggleAnimation();
 	void setMaxIterations(int);
 	void translateRelative(QVector2D);
 	void zoomRelative(int, QVector2D);
 	void resizeRelative(QVector2D);
 	bool initShader();
+public slots:
+	void toggleAnimation();
 private:
 	int maxIterations = 0;
 	float hueAdd = 0;

src/MainWindow.cpp

@@ -50,10 +50,8 @@ void MainWindow::buildUI() {
 	connect(
 			animButton,
 			&QPushButton::clicked,
-			this,
-			[this](){
-				this->outputWidget.getMandelbrot().toggleAnimation();
-			});
+			&outputWidget.getMandelbrot(),
+			&Mandelbrot::toggleAnimation);
 
 	auto controls = new QGridLayout;
 	controls->addWidget(maxIterationsCaption, 1, 1);