From 067c19fe0f7e2ec970f713a853c3252c2323587d Mon Sep 17 00:00:00 2001
From: Don Gagne <dongagne@outlook.com>
Date: Mon, 30 Jul 2018 20:33:50 -0700
Subject: [PATCH 1/2] Add flickable

---
 src/QmlControls/QGCViewMessage.qml | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/QmlControls/QGCViewMessage.qml b/src/QmlControls/QGCViewMessage.qml
index 9d58df0..02f994b 100644
--- a/src/QmlControls/QGCViewMessage.qml
+++ b/src/QmlControls/QGCViewMessage.qml
@@ -20,9 +20,16 @@ import QGroundControl.Palette 1.0
 QGCViewDialog {
     property string message
 
-    QGCLabel {
+    QGCFlickable {
         anchors.fill:   parent
-        wrapMode:       Text.WordWrap
-        text:           message
+        contentHeight:  label.contentHeight
+
+        QGCLabel {
+            id:             label
+            anchors.left:   parent.left
+            anchors.right:  parent.right
+            wrapMode:       Text.WordWrap
+            text:           message
+        }
     }
 }

From 1f68cdcfcbb4f67b88c87501f57cef0820616ecf Mon Sep 17 00:00:00 2001
From: Don Gagne <dongagne@outlook.com>
Date: Mon, 30 Jul 2018 20:34:04 -0700
Subject: [PATCH 2/2] Fix initial value calculations

---
 src/FactSystem/FactValueSliderListModel.cc | 19 ++++++++-----------
 src/FactSystem/FactValueSliderListModel.h  |  6 ++++--
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/src/FactSystem/FactValueSliderListModel.cc b/src/FactSystem/FactValueSliderListModel.cc
index bbf985d..a91e30f 100644
--- a/src/FactSystem/FactValueSliderListModel.cc
+++ b/src/FactSystem/FactValueSliderListModel.cc
@@ -27,7 +27,7 @@ FactValueSliderListModel::FactValueSliderListModel(Fact& fact, QObject* parent)
     , _cPrevValues              (0)
     , _cNextValues              (0)
     , _initialValue             (0)
-    , _initialValueRounded      (0)
+    , _initialValueAtPrecision  (0)
     , _increment                (0)
 {
     QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership);
@@ -47,14 +47,14 @@ int FactValueSliderListModel::resetInitialValue(void)
     }
 
     _initialValue = _fact.cookedValue().toDouble();
-    _initialValueRounded = qRound(_initialValue);
+    _initialValueAtPrecision = _valueAtPrecision(_initialValue);
     if (qRound(_fact.rawIncrement()) == _fact.rawIncrement()) {
         _increment = qRound(_fact.cookedIncrement());
     } else {
         _increment = _fact.cookedIncrement();
     }
-    _cPrevValues = qMin((_initialValue - _fact.cookedMin().toDouble()), 100.0) / _increment;
-    _cNextValues = qMin((_fact.cookedMax().toDouble() - _initialValue), 100.0) / _increment;
+    _cPrevValues = qMin((_initialValue - _fact.cookedMin().toDouble())  / _increment, 100.0);
+    _cNextValues = qMin((_fact.cookedMax().toDouble() - _initialValue)  / _increment, 100.0);
     _initialValueIndex = _cPrevValues;
 
     int totalValueCount = _cPrevValues + 1 + _cNextValues;
@@ -93,12 +93,9 @@ QVariant FactValueSliderListModel::data(const QModelIndex &index, int role) cons
         if (cIncrementCount == 0) {
             value = _initialValue;
         } else {
-            value = _initialValueRounded + (cIncrementCount * _increment);
+            value = initialValueAtPrecision() + (cIncrementCount * _increment);
         }
-        double precision = qPow(10, _fact.decimalPlaces());
-        double atPrecision = qRound(value * precision) / precision;
-        //qDebug() << value << precision << atPrecision << _fact.decimalPlaces() << _fact.name();
-        return QVariant(atPrecision);
+        return QVariant(_valueAtPrecision(value));
     } else if (role == _valueIndexRole) {
         return QVariant::fromValue(valueIndex);
     } else {
@@ -129,8 +126,8 @@ int FactValueSliderListModel::valueIndexAtModelIndex(int index)
     return data(createIndex(index, 0), _valueIndexRole).toInt();
 }
 
-double FactValueSliderListModel::initialValueAtPrecision(void)
+double FactValueSliderListModel::_valueAtPrecision(double value) const
 {
     double precision = qPow(10, _fact.decimalPlaces());
-    return qRound(_initialValue * precision) / precision;
+    return qRound(value * precision) / precision;
 }
diff --git a/src/FactSystem/FactValueSliderListModel.h b/src/FactSystem/FactValueSliderListModel.h
index 0f140d8..21914b5 100644
--- a/src/FactSystem/FactValueSliderListModel.h
+++ b/src/FactSystem/FactValueSliderListModel.h
@@ -25,7 +25,7 @@ public:
     /// The initial value of the Fact at the meta data specified decimal place precision
     Q_PROPERTY(double initialValueAtPrecision READ initialValueAtPrecision NOTIFY initialValueAtPrecisionChanged)
 
-    double initialValueAtPrecision(void);
+    double initialValueAtPrecision(void) const { return _initialValueAtPrecision; }
 
     Q_INVOKABLE int resetInitialValue(void);
     Q_INVOKABLE double valueAtModelIndex(int index);
@@ -35,6 +35,8 @@ signals:
     void initialValueAtPrecisionChanged(void);
 
 private:
+    double _valueAtPrecision(double value) const;
+
     // Overrides from QAbstractListModel
     int	rowCount(const QModelIndex & parent = QModelIndex()) const override;
     QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;
@@ -48,7 +50,7 @@ private:
     int     _cNextValues;
     int     _windowSize;
     double  _initialValue;
-    double  _initialValueRounded;
+    double  _initialValueAtPrecision;
     double  _increment;
 
     static const int _valueRole;