Updating the app to use QT

sources/Renderer/QtRenderer/QtWidgetSFML.cpp

@@ -0,0 +1,54 @@
+//
+// Created by anonymus-raccoon on 2/16/20.
+//
+
+#include "QtWidgetSFML.h"
+
+namespace ComSquare::Renderer
+{
+	QtWidgetSFML::QtWidgetSFML(QWidget *parent, const QPoint &position, const QSize &size, int frameRate) :
+		QWidget(parent)
+	{
+		this->setAttribute(Qt::WA_PaintOnScreen);
+		this->setAttribute(Qt::WA_OpaquePaintEvent);
+		this->setAttribute(Qt::WA_NoSystemBackground);
+
+		this->setFocusPolicy(Qt::StrongFocus);
+
+		this->move(position);
+		this->resize(size);
+
+		this->_timer.setInterval(frameRate);
+	}
+
+	void QtWidgetSFML::showEvent(QShowEvent *)
+	{
+		if (!this->_isInitialized) {
+			// Under X11, we need to flush the commands sent to the server to ensure that
+			// SFML will get an updated view of the windows
+			#ifdef Q_WS_X11
+				XFlush(QX11Info::display());
+			#endif
+			this->sf::RenderWindow::create(this->winId());
+			this->_onInit();
+
+			connect(&_timer, SIGNAL(timeout()), this, SLOT(repaint()));
+			this->_timer.start();
+			this->_isInitialized = true;
+		}
+	}
+
+	QPaintEngine *QtWidgetSFML::paintEngine() const
+	{
+		return nullptr;
+	}
+
+	void QtWidgetSFML::paintEvent(QPaintEvent *)
+	{
+		this->clear();
+		this->_onUpdate();
+		this->display();
+	}
+
+	void QtWidgetSFML::_onInit(){ }
+}