From 6213819fa5c8615b3bfcd40102d8dbf26cce50b0 Mon Sep 17 00:00:00 2001
From: Phil Olynyk <phil@pholynyk.ca>
Date: Mon, 25 Mar 2019 17:37:26 -0400
Subject: [PATCH] Enable buttons and tabs if machine data is available

---
 oscar/welcome.cpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/oscar/welcome.cpp b/oscar/welcome.cpp
index 9bba7b6f..7af15cf7 100644
--- a/oscar/welcome.cpp
+++ b/oscar/welcome.cpp
@@ -32,9 +32,14 @@ Welcome::~Welcome()
 
 void Welcome::refreshPage()
 {
-    const auto & mlist = p_profile->GetMachines(MT_CPAP);
+    bool b;
+
+    if (p_profile != nullptr) {
+        const auto & mlist = p_profile->GetMachines(MT_CPAP);
+        b = mlist.size() > 0;
+    } else 
+        b = false;
 
-    bool b = mlist.size() > 0;
     bool showCardWarning = !b;
 
 
@@ -52,9 +57,9 @@ void Welcome::refreshPage()
     ui->dailyButton->setEnabled(b);
     ui->overviewButton->setEnabled(b);
     ui->statisticsButton->setEnabled(b);
-//    ui->tabWidget->setTabEnabled(2, b);
-//    ui->tabWidget->setTabEnabled(3, b);
-//    ui->tabWidget->setTabEnabled(4, b);
+    ui->tabWidget->setTabEnabled(2, b);
+    ui->tabWidget->setTabEnabled(3, b);
+    ui->tabWidget->setTabEnabled(4, b);
 
     ui->cpapInfo->setHtml(GenerateCPAPHTML());
     ui->oxiInfo->setHtml(GenerateOxiHTML());