# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2015-04-27 17:02:53
# Node ID abcdecae08b49b7bad0b6469d61910f8e991b17f
# Parent  950cf3465cfebbb32402feea806455574dc51f96

added simple demo mode for testing

diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -179,6 +179,14 @@ MainWindow::MainWindow(QWidget *parent) 
     {
         selectNumberFormat(NumberFormat_uint8);
     }
+
+    // Init demo mode
+    demoCount = 0;
+    demoTimer.setInterval(100);
+    QObject::connect(&demoTimer, &QTimer::timeout,
+                     this, &MainWindow::demoTimerTimeout);
+    QObject::connect(ui->actionDemoMode, &QAction::toggled,
+                     this, &MainWindow::enableDemo);
 }
 
 MainWindow::~MainWindow()
@@ -348,6 +356,9 @@ void MainWindow::selectFlowControl(int f
 void MainWindow::onPortToggled(bool open)
 {
     ui->pbOpenPort->setChecked(open);
+    // make sure demo mode is disabled
+    if (open && isDemoRunning()) enableDemo(false);
+    ui->actionDemoMode->setEnabled(!open);
 }
 
 void MainWindow::onDataReady()
@@ -605,3 +616,42 @@ template<typename T> double MainWindow::
     this->serialPort.read((char*) &data, sizeof(data));
     return double(data);
 }
+
+bool MainWindow::isDemoRunning()
+{
+    return ui->actionDemoMode->isChecked();
+}
+
+void MainWindow::demoTimerTimeout()
+{
+    demoCount++;
+    if (demoCount > 100) demoCount = 0;
+
+    for (int ci = 0; ci < numOfChannels; ci++)
+    {
+        DataArray data(1);
+        data.replace(0, (ci + 1)*demoCount);
+        addChannelData(ci, data);
+    }
+}
+
+void MainWindow::enableDemo(bool enabled)
+{
+    if (enabled)
+    {
+        if (!serialPort.isOpen())
+        {
+            demoTimer.start();
+            ui->actionDemoMode->setChecked(true);
+        }
+        else
+        {
+            ui->actionDemoMode->setChecked(false);
+        }
+    }
+    else
+    {
+        demoTimer.stop();
+        ui->actionDemoMode->setChecked(false);
+    }
+}
diff --git a/mainwindow.h b/mainwindow.h
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -27,6 +27,7 @@
 #include <QList>
 #include <QSerialPort>
 #include <QSignalMapper>
+#include <QTimer>
 #include <qwt_plot_curve.h>
 
 #include "ui_about_dialog.h"
@@ -86,6 +87,11 @@ private:
 
     bool skipByteRequested;
 
+    // demo
+    QTimer demoTimer;
+    int demoCount;
+    bool isDemoRunning();
+
 private slots:
     void loadPortList();
     void loadBaudRateList();
@@ -113,6 +119,9 @@ private slots:
 
     void clearPlot();
 
+    void demoTimerTimeout();
+    void enableDemo(bool enabled);
+
 signals:
     void portToggled(bool open);
 };
diff --git a/mainwindow.ui b/mainwindow.ui
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -601,6 +601,7 @@
     <property name="title">
      <string>Help</string>
     </property>
+    <addaction name="actionDemoMode"/>
     <addaction name="actionHelpAbout"/>
    </widget>
    <addaction name="menuHelp"/>
@@ -640,6 +641,17 @@
     <string>About</string>
    </property>
   </action>
+  <action name="actionDemoMode">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Demo Mode</string>
+   </property>
+   <property name="toolTip">
+    <string>Toggle Demo Mode</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>