Integrated help into the system. Most all the sub-screens that are actually complete

and working have integrated help now. Press F1 to bring up help for a given window.

re/udsscanwindow.cpp

@@ -4,6 +4,7 @@
 #include "connections/canconmanager.h"
 #include "bus_protocols/uds_handler.h"
 #include "utility.h"
+#include "helpwindow.h"
 
 UDSScanWindow::UDSScanWindow(const QVector<CANFrame> *frames, QWidget *parent) :
     QDialog(parent),
@@ -39,16 +40,36 @@ UDSScanWindow::UDSScanWindow(const QVector<CANFrame> *frames, QWidget *parent) :
 
     int numBuses = CANConManager::getInstance()->getNumBuses();
     for (int n = 0; n < numBuses; n++) ui->cbBuses->addItem(QString::number(n));
+    installEventFilter(this);
 }
 
 UDSScanWindow::~UDSScanWindow()
 {
+    removeEventFilter(this);
     delete ui;
     waitTimer->stop();
     delete waitTimer;
     delete udsHandler;
 }
 
+bool UDSScanWindow::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() == QEvent::KeyRelease) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+        switch (keyEvent->key())
+        {
+        case Qt::Key_F1:
+            HelpWindow::getRef()->showHelp("uds_scanner.html");
+            break;
+        }
+        return true;
+    } else {
+        // standard event processing
+        return QObject::eventFilter(obj, event);
+    }
+    return false;
+}
+
 void UDSScanWindow::adaptiveToggled()
 {
     if (ui->cbAllowAdaptiveOffset->isChecked()) ui->spinReplyOffset->setEnabled(false);