gui: Set the size of the window to the size of the contents

src/gui/src/MainWindow.cpp

@@ -938,6 +938,14 @@ void MainWindow::changeEvent(QEvent* event)
     QMainWindow::changeEvent(event);
 }
 
+bool MainWindow::event(QEvent* event)
+{
+    if (event->type() == QEvent::LayoutRequest) {
+        setFixedSize(sizeHint());
+    }
+    return QMainWindow::event(event);
+}
+
 void MainWindow::updateZeroconfService()
 {
     QMutexLocker locker(&m_UpdateZeroconfMutex);

src/gui/src/MainWindow.h

@@ -157,6 +157,7 @@ public slots:
         void stopService();
         void stopDesktop();
         void changeEvent(QEvent* event);
+        bool event(QEvent* event);
         void retranslateMenuBar();
 #if defined(Q_OS_WIN)
         bool isServiceRunning(QString name);

src/gui/src/MainWindowBase.ui

@@ -2,31 +2,20 @@
 <ui version="4.0">
  <class>MainWindowBase</class>
  <widget class="QMainWindow" name="MainWindowBase">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>600</width>
-    <height>550</height>
-   </rect>
-  </property>
   <property name="sizePolicy">
    <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
-  <property name="minimumSize">
-   <size>
-    <width>600</width>
-    <height>0</height>
-   </size>
-  </property>
   <property name="windowTitle">
    <string>Barrier</string>
   </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout_2">
+    <property name="sizeConstraint">
+     <enum>QLayout::SetFixedSize</enum>
+    </property>
     <item>
      <widget class="QGroupBox" name="m_pGroupServer">
       <property name="sizePolicy">