From 9e45ab31364734fbd34ea1c3a611d70fedfa92e9 Mon Sep 17 00:00:00 2001
From: Stefan Dunca <stefan@auterion.com>
Date: Fri, 16 Aug 2019 14:55:25 +0200
Subject: [PATCH] Fix combobox usage

---
 src/AutoPilotPlugins/PX4/AirframeComponent.qml |  1 +
 src/QmlControls/QGCComboBox.qml                | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/AutoPilotPlugins/PX4/AirframeComponent.qml b/src/AutoPilotPlugins/PX4/AirframeComponent.qml
index 1508026a1..d8affe7cd 100644
--- a/src/AutoPilotPlugins/PX4/AirframeComponent.qml
+++ b/src/AutoPilotPlugins/PX4/AirframeComponent.qml
@@ -229,6 +229,7 @@ Your vehicle will also be restarted in order to complete the process.")
                                 anchors.left:       parent.left
                                 anchors.right:      parent.right
                                 model:              modelData.airframes
+                                textRole:           "text"
 
                                 Component.onCompleted: {
                                     if (airframeCheckBox.checked) {
diff --git a/src/QmlControls/QGCComboBox.qml b/src/QmlControls/QGCComboBox.qml
index 8a02e7642..2b918c95a 100644
--- a/src/QmlControls/QGCComboBox.qml
+++ b/src/QmlControls/QGCComboBox.qml
@@ -37,7 +37,15 @@ ComboBox {
             width:                      control.width
 
             contentItem: Text {
-                text:                   textRole ? modelData[textRole] : modelData
+                text: {
+                    if(modelData) {
+                        return textRole ? modelData[textRole] : modelData
+                    }
+                    else {
+                        console.warn("ComboBox: no model data")
+                        return ""
+                    }
+                }
                 color:                  control.currentIndex === index ? qgcPal.buttonHighlightText : qgcPal.buttonText
                 verticalAlignment:      Text.AlignVCenter
             }
-- 
2.22.0