Signals and slots prepared to update content, received from UDP packet

simulation/VirtualLedBoard/mainwindow.cpp

@@ -14,8 +14,12 @@ MainWindow::MainWindow(QWidget *parent)
     this->server = new UdpLedServer ();
 
     this->mOffscreenPanel = new QImage(DEFAULT_WIDTH + LED_DISTANCE, DEFAULT_HEIGHT + LED_DISTANCE, QImage::Format_RGB32);
-    this->renderPanel();
-    this->drawImage(this->mOffscreenPanel);
+    for(int x=0; x < (PANEL_WIDTH * MAXIMUM_PANELSIZE); x++) {
+        for(int y=0; y < PANEL_HEIGHT; y++) {
+            setLED(x, y);
+        }
+    }
+    updatePanel();
 }
 
 MainWindow::~MainWindow()
@@ -34,17 +38,21 @@ void MainWindow::drawImage(QImage *target) {
     this->ui->ledPanel->addWidget(graphicsView);
 }
 
-void MainWindow::renderPanel(void) {
-    this->mOffscreenPanel->fill(COLOR_BACKGROUND);
 
+void MainWindow::setLED(uint8_t x, uint8_t y) {
     /* draw inital screen */
     QPainter painter(this->mOffscreenPanel);
     painter.setRenderHint(QPainter::Antialiasing, true);
     painter.setPen(QPen(COLOR_FOREGROUND, 1));
     painter.setBrush(COLOR_FOREGROUND);
-    for(int x=0; x < (PANEL_WIDTH * MAXIMUM_PANELSIZE); x++) {
-        for(int y=0; y < PANEL_HEIGHT; y++) {
-            painter.drawEllipse(LED_DIAMETER/2 + (x* LED_DISTANCE), LED_DIAMETER/2 + (y * LED_DISTANCE), LED_DIAMETER, LED_DIAMETER);
-        }
-    }
+    painter.drawEllipse(LED_DIAMETER/2 + (x* LED_DISTANCE), LED_DIAMETER/2 + (y * LED_DISTANCE), LED_DIAMETER, LED_DIAMETER);
+}
+
+void MainWindow::updatePanel(void) {
+    this->drawImage(this->mOffscreenPanel);
+    this->renderPanel();
+}
+
+void MainWindow::renderPanel(void) {
+    this->mOffscreenPanel->fill(COLOR_BACKGROUND);
 }