# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2015-06-22 06:32:11
# Node ID d4f23bf96cf5d9e64f5483150c5fd3b1c719606a
# Parent  aa93a4eacbb99f7ec79760c96c0cd94eb38022ae

added demo mode indicator

diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -143,6 +143,15 @@ MainWindow::MainWindow(QWidget *parent) 
                      this, &MainWindow::demoTimerTimeout);
     QObject::connect(ui->actionDemoMode, &QAction::toggled,
                      this, &MainWindow::enableDemo);
+
+    {   // init demo indicator
+        QwtText demoText("DEMO RUNNING");
+        demoText.setColor(QColor("red"));
+        demoText.setRenderFlags(Qt::AlignLeft | Qt::AlignTop);
+        demoIndicator.setText(demoText);
+        demoIndicator.hide();
+        demoIndicator.attach(ui->plot);
+    }
 }
 
 MainWindow::~MainWindow()
@@ -570,6 +579,8 @@ void MainWindow::enableDemo(bool enabled
         {
             demoTimer.start();
             ui->actionDemoMode->setChecked(true);
+            demoIndicator.show();
+            ui->plot->replot();
         }
         else
         {
@@ -580,6 +591,8 @@ void MainWindow::enableDemo(bool enabled
     {
         demoTimer.stop();
         ui->actionDemoMode->setChecked(false);
+        demoIndicator.hide();
+        ui->plot->replot();
     }
 }
 
diff --git a/mainwindow.h b/mainwindow.h
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -31,6 +31,7 @@
 #include <QColor>
 #include <QtGlobal>
 #include <qwt_plot_curve.h>
+#include <qwt_plot_textlabel.h>
 
 #include "portcontrol.h"
 #include "ui_about_dialog.h"
@@ -96,6 +97,7 @@ private:
     QTimer demoTimer;
     int demoCount;
     bool isDemoRunning();
+    QwtPlotTextLabel demoIndicator;
 
     QColor makeColor(unsigned int channelIndex);