mainwindow.ui Example File
itemviews/editabletreemodel/mainwindow.ui

 <ui version="4.0" >
  <class>MainWindow</class>
  <widget class="QMainWindow" name="MainWindow" >
   <property name="geometry" >
    <rect>
     <x>0</x>
     <y>0</y>
     <width>573</width>
     <height>468</height>
    </rect>
   </property>
   <property name="windowTitle" >
    <string>Editable Tree Model</string>
   </property>
   <widget class="QWidget" name="centralwidget" >
    <layout class="QVBoxLayout" >
     <property name="margin" >
      <number>0</number>
     </property>
     <property name="spacing" >
      <number>0</number>
     </property>
     <item>
      <widget class="QTreeView" name="view" >
       <property name="alternatingRowColors" >
        <bool>true</bool>
       </property>
       <property name="selectionBehavior" >
        <enum>QAbstractItemView::SelectItems</enum>
       </property>
       <property name="horizontalScrollMode" >
        <enum>QAbstractItemView::ScrollPerPixel</enum>
       </property>
       <property name="animated" >
        <bool>false</bool>
       </property>
       <property name="allColumnsShowFocus" >
        <bool>true</bool>
       </property>
      </widget>
     </item>
    </layout>
   </widget>
   <widget class="QMenuBar" name="menubar" >
    <property name="geometry" >
     <rect>
      <x>0</x>
      <y>0</y>
      <width>573</width>
      <height>31</height>
     </rect>
    </property>
    <widget class="QMenu" name="fileMenu" >
     <property name="title" >
      <string>&amp;File</string>
     </property>
     <addaction name="exitAction" />
    </widget>
    <widget class="QMenu" name="actionsMenu" >
     <property name="title" >
      <string>&amp;Actions</string>
     </property>
     <addaction name="insertRowAction" />
     <addaction name="insertColumnAction" />
     <addaction name="separator" />
     <addaction name="removeRowAction" />
     <addaction name="removeColumnAction" />
     <addaction name="separator" />
     <addaction name="insertChildAction" />
    </widget>
    <addaction name="fileMenu" />
    <addaction name="actionsMenu" />
   </widget>
   <widget class="QStatusBar" name="statusbar" />
   <action name="exitAction" >
    <property name="text" >
     <string>E&amp;xit</string>
    </property>
    <property name="shortcut" >
     <string>Ctrl+Q</string>
    </property>
   </action>
   <action name="insertRowAction" >
    <property name="text" >
     <string>Insert Row</string>
    </property>
    <property name="shortcut" >
     <string>Ctrl+I, R</string>
    </property>
   </action>
   <action name="removeRowAction" >
    <property name="text" >
     <string>Remove Row</string>
    </property>
    <property name="shortcut" >
     <string>Ctrl+R, R</string>
    </property>
   </action>
   <action name="insertColumnAction" >
    <property name="text" >
     <string>Insert Column</string>
    </property>
    <property name="shortcut" >
     <string>Ctrl+I, C</string>
    </property>
   </action>
   <action name="removeColumnAction" >
    <property name="text" >
     <string>Remove Column</string>
    </property>
    <property name="shortcut" >
     <string>Ctrl+R, C</string>
    </property>
   </action>
   <action name="insertChildAction" >
    <property name="text" >
     <string>Insert Child</string>
    </property>
    <property name="shortcut" >
     <string>Ctrl+N</string>
    </property>
   </action>
  </widget>
  <resources>
   <include location="editabletreemodel.qrc" />
  </resources>
  <connections/>
 </ui>