<?xml version=“1.0”?> <interface>

<template class="DemoApplicationWindow" parent="GtkApplicationWindow">
  <property name="title" translatable="yes">Application Class</property>
  <property name="default-width">200</property>
  <property name="default-height">200</property>
  <property name="icon-name">document-open</property>
  <child>
    <object class="GtkGrid">
      <property name="visible">1</property>
      <child>
        <object class="GtkToolbar">
          <property name="visible">1</property>
          <property name="hexpand">1</property>
          <style>
            <class name="primary-toolbar"/>
          </style>
          <child>
            <object class="GtkMenuToolButton" id="menutool">
              <property name="visible">1</property>
              <property name="icon-name">document-open</property>
            </object>
          </child>
          <child>
            <object class="GtkToolButton">
              <property name="visible">1</property>
              <property name="icon-name">application-exit</property>
              <property name="action-name">app.quit</property>
            </object>
          </child>
          <child>
            <object class="GtkSeparatorToolItem">
              <property name="visible">1</property>
            </object>
          </child>
          <child>
            <object class="GtkToolButton">
              <property name="visible">1</property>
              <property name="icon-name">applications-other</property>
              <property name="action-name">win.logo</property>
            </object>
          </child>
        </object>
        <packing>
          <property name="left-attach">0</property>
          <property name="top-attach">0</property>
        </packing>
      </child>
      <child>
        <object class="GtkInfoBar" id="infobar">
          <property name="no-show-all">1</property>
          <property name="hexpand">1</property>
          <child internal-child="content_area">
            <object class="GtkBox" id="content_area">
              <child>
                <object class="GtkLabel" id="message">
                  <property name="visible">1</property>
                  <property name="hexpand">1</property>
                </object>
              </child>
            </object>
          </child>
          <child internal-child="action_area">
            <object class="GtkBox">
              <child>
                <object class="GtkButton">
                  <property name="visible">1</property>
                  <property name="valign">center</property>
                  <property name="label" translatable="yes">_OK</property>
                  <property name="use_underline">1</property>
                  <signal name="clicked" handler="clicked_cb"/>
                </object>
              </child>
            </object>
          </child>
        </object>
        <packing>
          <property name="left-attach">0</property>
          <property name="top-attach">1</property>
        </packing>
      </child>
      <child>
        <object class="GtkScrolledWindow">
          <property name="visible">1</property>
          <property name="shadow-type">in</property>
          <child>
            <object class="GtkTextView">
              <property name="visible">1</property>
              <property name="hexpand">1</property>
              <property name="vexpand">1</property>
              <property name="buffer">buffer</property>
            </object>
          </child>
        </object>
        <packing>
          <property name="left-attach">0</property>
          <property name="top-attach">2</property>
        </packing>
      </child>
      <child>
        <object class="GtkStatusbar" id="status">
          <property name="hexpand">1</property>
          <property name="visible">1</property>
        </object>
        <packing>
          <property name="left-attach">0</property>
          <property name="top-attach">3</property>
        </packing>
      </child>
    </object>
  </child>
</template>
<menu id="toolmenu">
  <item>
    <attribute name="label">File1</attribute>
    <attribute name="action">win.file1</attribute>
  </item>
</menu>
<object class="GtkTextBuffer" id="buffer">
  <signal name="changed" handler="update_statusbar"/>
  <signal name="mark-set" handler="mark_set_callback"/>
</object>

</interface>