bit of ux

src/mainwindow.ui

@@ -40,6 +40,7 @@
     </item>
    </layout>
   </widget>
+  <widget class="QStatusBar" name="statusbar"/>
   <widget class="QMenuBar" name="menubar">
    <property name="geometry">
     <rect>
@@ -69,16 +70,25 @@
    <addaction name="menuFiles"/>
   </widget>
   <action name="actionNew">
+   <property name="icon">
+    <iconset theme="document-new"/>
+   </property>
    <property name="text">
     <string>New</string>
    </property>
   </action>
   <action name="actionOpen">
+   <property name="icon">
+    <iconset theme="document-open"/>
+   </property>
    <property name="text">
     <string>Open</string>
    </property>
   </action>
   <action name="actionAddFiles">
+   <property name="icon">
+    <iconset theme="list-add"/>
+   </property>
    <property name="text">
     <string>Add</string>
    </property>