gtk/tests/selectionmode.ui

<interface>
  <menu id="selectionmenu">
    <section>
      <item>
        <attribute name="label">Select All</attribute>
        <attribute name="action">win.select-all</attribute>
      </item>
      <item>
        <attribute name="label">Select None</attribute>
        <attribute name="action">win.select-none</attribute>
      </item>
    </section>
  </menu>
  <object class="GtkWindow" id="window">
    <property name="default-width">640</property>
    <property name="default-height">480</property>
    <child type="titlebar">
      <object class="GtkHeaderBar" id="header">
        <property name="visible">True</property>
        <child>
          <object class="GtkButton" id="headerbutton">
            <property name="visible">True</property>
            <property name="no-show-all">True</property>
            <style>
              <class name="image-button"/>
            </style>
            <child>
              <object class="GtkImage">
                <property name="visible">True</property>
                <property name="icon-name">emblem-system-symbolic</property>
                <property name="icon-size">1</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="pack-type">start</property>
          </packing>
        </child>
        <child type="title">
          <object class="GtkStack" id="titlestack">
            <property name="visible">True</property>
            <child>
              <object class="GtkLabel">
                <property name="visible">True</property>
                <property name="label">Docker Docker Docker</property>
                <property name="ellipsize">end</property>
              </object>
              <packing>
                <property name="name">title</property>
              </packing>
            </child> 
            <child>
              <object class="GtkMenuButton">
                <property name="visible">True</property>
                <property name="menu-model">selectionmenu</property>
                <child>
                  <object class="GtkBox">
                    <property name="visible">True</property>
                    <property name="orientation">horizontal</property>
                    <property name="spacing">4</property>
                    <child>
                      <object class="GtkLabel">
                        <property name="visible">True</property>
                        <property name="label">Click on items to select them</property>
                      </object>
                    </child>
                    <child>
                      <object class="GtkImage">
                        <property name="visible">True</property>
                        <property name="icon-name">pan-down-symbolic</property>
                        <property name="icon-size">1</property>
                      </object>
                    </child>
                  </object>
                </child>
              </object>
              <packing>
                <property name="name">selection</property>
              </packing>
            </child>
          </object>
        </child>
        <child>
          <object class="GtkButton" id="select-button">
            <property name="visible">True</property>
            <property name="no-show-all">True</property>
            <style>
              <class name="image-button"/>
            </style>
            <child>
              <object class="GtkImage">
                <property name="visible">True</property>
                <property name="icon-name">object-select-symbolic</property>
                <property name="icon-size">1</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="pack-type">end</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="cancel-button">
            <property name="no-show-all">True</property>
            <property name="label">Cancel</property>
          </object>
          <packing>
            <property name="pack-type">end</property>
          </packing>
        </child>
      </object>
    </child>
    <child>
      <object class="GtkScrolledWindow">
        <property name="visible">True</property>
        <property name="hscrollbar-policy">never</property>
        <property name="vscrollbar-policy">automatic</property>
        <child>
          <object class="GtkListBox" id="list">
            <property name="visible">True</property>
            <property name="selection-mode">none</property>
            <property name="activate-on-single-click">True</property>
          </object> 
        </child>
      </object>
    </child>
  </object>
</interface>