Now I've added suitable styling to the UASQuickView widget.

files/styles/style-dark.css

@@ -392,6 +392,17 @@ QToolTip {
     color: #DDD;
 }
 
+UASQuickViewItem QLabel {
+    padding: 0;
+    margin: 0;
+    min-height: 1em;
+    font-weight: bold;
+}
+
+UASQuickViewItem QLabel#value {
+    font-size: 20pt;
+}
+
 WaypointEditableView, WaypointViewOnlyView {
     border: 1px solid #777;
     border-radius: 5px;

files/styles/style-light.css

@@ -396,6 +396,17 @@ QToolTip {
     color: #000;
 }
 
+UASQuickViewItem QLabel {
+    padding: 0;
+    margin: 0;
+    min-height: 1em;
+    font-weight: bold;
+}
+
+UASQuickViewItem QLabel#value {
+    font-size: 20pt;
+}
+
 WaypointEditableView, WaypointViewOnlyView {
     border: 1px solid #333;
     border-radius: 5px;

src/ui/uas/UASQuickView.cc

 #include "UASQuickView.h"
 #include <QMetaMethod>
 #include <QDebug>
-UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
+UASQuickView::UASQuickView(QWidget *parent) :
+    QWidget(parent),
+    m_ui(new Ui::UASQuickView)
 {
-    ui.setupUi(this);
+    m_ui->setupUi(this);
+
     connect(UASManager::instance(),SIGNAL(activeUASSet(UASInterface*)),this,SLOT(setActiveUAS(UASInterface*)));
     connect(UASManager::instance(),SIGNAL(UASCreated(UASInterface*)),this,SLOT(addUAS(UASInterface*)));
     if (UASManager::instance()->getActiveUAS())
@@ -21,7 +24,7 @@ UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
         this->addAction(action);
         UASQuickViewItem *item = new UASQuickViewItem(this);
         item->setTitle("latitude");
-        ui.verticalLayout->addWidget(item);
+        this->layout()->addWidget(item);
         uasPropertyToLabelMap["latitude"] = item;
     }
 
@@ -33,7 +36,7 @@ UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
         this->addAction(action);
         UASQuickViewItem *item = new UASQuickViewItem(this);
         item->setTitle("longitude");
-        ui.verticalLayout->addWidget(item);
+        this->layout()->addWidget(item);
         uasPropertyToLabelMap["longitude"] = item;
     }
 
@@ -45,7 +48,7 @@ UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
         this->addAction(action);
         UASQuickViewItem *item = new UASQuickViewItem(this);
         item->setTitle("altitude");
-        ui.verticalLayout->addWidget(item);
+        this->layout()->addWidget(item);
         uasPropertyToLabelMap["altitude"] = item;
     }
 
@@ -57,7 +60,7 @@ UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
         this->addAction(action);
         UASQuickViewItem *item = new UASQuickViewItem(this);
         item->setTitle("satelliteCount");
-        ui.verticalLayout->addWidget(item);
+        this->layout()->addWidget(item);
         uasPropertyToLabelMap["satelliteCount"] = item;
     }
 
@@ -69,7 +72,7 @@ UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
         this->addAction(action);
         UASQuickViewItem *item = new UASQuickViewItem(this);
         item->setTitle("distToWaypoint");
-        ui.verticalLayout->addWidget(item);
+        this->layout()->addWidget(item);
         uasPropertyToLabelMap["distToWaypoint"] = item;
     }
 
@@ -146,12 +149,12 @@ void UASQuickView::actionTriggered(bool checked)
     {
         UASQuickViewItem *item = new UASQuickViewItem(this);
         item->setTitle(senderlabel->text());
-        ui.verticalLayout->addWidget(item);
+        this->layout()->addWidget(item);
         uasPropertyToLabelMap[senderlabel->text()] = item;
     }
     else
     {
-        ui.verticalLayout->removeWidget(uasPropertyToLabelMap[senderlabel->text()]);
+        this->layout()->removeWidget(uasPropertyToLabelMap[senderlabel->text()]);
         uasPropertyToLabelMap[senderlabel->text()]->deleteLater();
         uasPropertyToLabelMap.remove(senderlabel->text());
 

src/ui/uas/UASQuickView.h

@@ -19,10 +19,9 @@ private:
     QMap<QString,double> uasPropertyValueMap;
     QMap<QString,UASQuickViewItem*> uasPropertyToLabelMap;
     QTimer *updateTimer;
-protected:
-    Ui::Form ui;
+    Ui::UASQuickView* m_ui;
 signals:
-    
+
 public slots:
     void valueChanged(const int uasid, const QString& name, const QString& unit, const QVariant value,const quint64 msecs);
     void actionTriggered(bool checked);

src/ui/uas/UASQuickView.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>Form</class>
- <widget class="QWidget" name="Form">
+ <class>UASQuickView</class>
+ <widget class="QWidget" name="UASQuickView">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -10,6 +10,12 @@
     <height>300</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="minimumSize">
    <size>
     <width>100</width>
@@ -20,9 +26,12 @@
    <string>Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout_2">
-   <item>
-    <layout class="QVBoxLayout" name="verticalLayout"/>
-   </item>
+   <property name="sizeConstraint">
+    <enum>QLayout::SetMinimumSize</enum>
+   </property>
+   <property name="margin">
+    <number>0</number>
+   </property>
   </layout>
  </widget>
  <resources/>

src/ui/uas/UASQuickViewItem.cc

 #include "UASQuickViewItem.h"
 #include <QVBoxLayout>
+#include <QStyleOption>
+#include <QPainter>
+#include <QSizePolicy>
 
-UASQuickViewItem::UASQuickViewItem(QWidget *parent) : QWidget(parent)
+UASQuickViewItem::UASQuickViewItem(QWidget *parent) :
+    QWidget(parent)
 {
-    QVBoxLayout *layout = new QVBoxLayout();
-    this->setLayout(layout);
+    QVBoxLayout* layout = new QVBoxLayout();
+    layout->setMargin(0);
+    layout->setSizeConstraint(QLayout::SetMinimumSize);
+
     titleLabel = new QLabel(this);
     titleLabel->setAlignment(Qt::AlignHCenter);
-    this->layout()->addWidget(titleLabel);
+    titleLabel->setSizePolicy(QSizePolicy::MinimumExpanding,QSizePolicy::Minimum);
+    titleLabel->setObjectName(QString::fromUtf8("title"));
+    layout->addWidget(titleLabel);
+
     valueLabel = new QLabel(this);
     valueLabel->setAlignment(Qt::AlignHCenter);
-    valueLabel->setText("<h1>0.00</h1>");
-    this->layout()->addWidget(valueLabel);
-    layout->addSpacerItem(new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding));
+    valueLabel->setSizePolicy(QSizePolicy::MinimumExpanding,QSizePolicy::Minimum);
+    valueLabel->setObjectName(QString::fromUtf8("value"));
+    valueLabel->setText("0.00");
+    layout->addWidget(valueLabel);
+
+    layout->addSpacerItem(new QSpacerItem(20, 0, QSizePolicy::Minimum, QSizePolicy::Expanding));
+    this->setLayout(layout);
 }
 
 void UASQuickViewItem::setValue(double value)
 {
-    valueLabel->setText("<h1>" + QString::number(value,'f',4) + "</h1>");
+    valueLabel->setText(QString::number(value,'f',4));
 }
 
 void UASQuickViewItem::setTitle(QString title)
 {
     titleLabel->setText(title);
 }
+
+/**
+ * Implement paintEvent() so that stylesheets work for our custom widget.
+ */
+void UASQuickViewItem::paintEvent(QPaintEvent *)
+ {
+     QStyleOption opt;
+     opt.init(this);
+     QPainter p(this);
+     style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+ }

src/ui/uas/UASQuickViewItem.h

@@ -13,10 +13,12 @@ public:
 private:
     QLabel *titleLabel;
     QLabel *valueLabel;
+protected:
+    virtual void paintEvent(QPaintEvent *);
 signals:
-    
+
 public slots:
-    
+
 };
 
 #endif // UASQUICKVIEWITEM_H