Start working on #164 to autorefresh debug tag

src/mainwindow.cpp

@@ -2044,6 +2044,19 @@ void MainWindow::setupDebugLogTab() {
     });
 
     ui->debugLog->setPlainText( readDebugLines() );
+
+    // Set up timer
+    QTimer* debugTimer = new QTimer(main);
+    QObject::connect(debugTimer, &QTimer::timeout, [=]() {
+        uint32_t debugLines = ui->debugLines->text().trimmed().toInt();
+        if (debugLines == 0) { debugLines = 50; }
+        ui->debugLog->setPlainText( readDebugLines(debugLines) );
+        DEBUG("Refreshed debug data with debugLines=" << debugLines);
+    });
+    //TODO: allow customizing refresh speed
+    uint32_t debugRefreshSpeed = 30*1000;
+    debugTimer->start(debugRefreshSpeed);
+    DEBUG("started debug refresh at speed=" << debugRefreshSpeed); //Settings::debugRefreshSpeed;
 }
 
 void MainWindow::setupPeersTab() {