Minor improvements

mainwindow.ui

@@ -44,12 +44,18 @@
       <property name="contextMenuPolicy">
        <enum>Qt::CustomContextMenu</enum>
       </property>
+      <property name="autoScroll">
+       <bool>false</bool>
+      </property>
       <property name="editTriggers">
        <set>QAbstractItemView::NoEditTriggers</set>
       </property>
       <property name="showGrid">
        <bool>false</bool>
       </property>
+      <property name="wordWrap">
+       <bool>false</bool>
+      </property>
      </widget>
     </item>
    </layout>
@@ -60,7 +66,7 @@
      <x>0</x>
      <y>0</y>
      <width>965</width>
-     <height>20</height>
+     <height>18</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_File">