From 618879870e70eae151b78ced9bd40dacfb35385f Mon Sep 17 00:00:00 2001
From: Nick Kirkby <nkirkby@users.noreply.github.com>
Date: Tue, 11 Jun 2019 17:13:24 -0700
Subject: [PATCH] show tooltip for socketCAN error string

---
 connections/newconnectiondialog.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/connections/newconnectiondialog.cpp b/connections/newconnectiondialog.cpp
index 92ee31b..1f03eba 100644
--- a/connections/newconnectiondialog.cpp
+++ b/connections/newconnectiondialog.cpp
@@ -9,7 +9,18 @@ NewConnectionDialog::NewConnectionDialog(QVector<QString>* ips, QWidget *parent)
 {
     ui->setupUi(this);
 
-    ui->rbSocketCAN->setEnabled(isSerialBusAvailable());
+    if (isSerialBusAvailable())
+    {
+        ui->rbSocketCAN->setEnabled(true);
+    }
+    else
+    {
+        ui->rbSocketCAN->setEnabled(false);
+        QString errorString;
+        const QList<QCanBusDeviceInfo> devices = QCanBus::instance()->availableDevices(QStringLiteral("socketcan"), &errorString);
+        if (!errorString.isEmpty()) ui->rbSocketCAN->setToolTip(errorString);
+    }
+
 
     connect(ui->rbGVRET, &QAbstractButton::clicked, this, &NewConnectionDialog::handleConnTypeChanged);
     connect(ui->rbSocketCAN, &QAbstractButton::clicked, this, &NewConnectionDialog::handleConnTypeChanged);