gnome-control-center/panels/system/about/cc-about-page.ui

<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <template class="CcAboutPage" parent="AdwNavigationPage">
    <property name="title" translatable="yes">About</property>
    <property name="tag">about</property>
    <property name="child">
      <object class="AdwToolbarView">
        <child type="top">
          <object class="AdwHeaderBar"/>
        </child>

        <property name="content">
          <object class="AdwPreferencesPage">
            <child>
              <object class="AdwPreferencesGroup">

                <child>
                  <object class="AdwClamp">
                    <property name="orientation">vertical</property>
                    <property name="maximum-size">192</property>
                    <property name="tightening-threshold">192</property>
                    <property name="child">
                      <object class="GtkPicture" id="os_logo">
                        <property name="can-shrink">False</property>
                        <property name="content-fit">scale-down</property>
                        <property name="alternative-text" translatable="yes">System Logo</property>
                      </object>
                    </property>
                  </object>
                </child>

              </object>
            </child>

            <child>
              <object class="AdwPreferencesGroup">

                <!-- Device name -->
                <child>
                  <object class="CcHostnameEntry" id="hostname_row">
                    <property name="title" translatable="yes">_Device Name</property>
                    <property name="use-underline">True</property>
                  </object>
                </child>

              </object>
            </child>

            <child>
              <object class="AdwPreferencesGroup">

                <!-- OS Name -->
                <child>
                  <object class="AdwActionRow" id="os_name_row">
                    <property name="title" translatable="yes"
                              comments="Translators: this field contains the distro name and version">Operating System</property>
                    <style>
                      <class name="property"/>
                    </style>
                  </object>
                </child>

                <!-- Hardware Model -->
                <child>
                  <object class="AdwActionRow" id="hardware_model_row">
                    <property name="visible">False</property>
                    <property name="title" translatable="yes">Hardware Model</property>
                    <style>
                      <class name="property"/>
                    </style>
                  </object>
                </child>


                <!-- Processor -->
                <child>
                  <object class="AdwActionRow" id="processor_row">
                    <property name="title" translatable="yes">Processor</property>
                    <style>
                      <class name="property"/>
                    </style>
                  </object>
                </child>

                <!-- Memory -->
                <child>
                  <object class="AdwActionRow" id="memory_row">
                    <property name="title" translatable="yes">Memory</property>
                    <style>
                      <class name="property"/>
                    </style>
                  </object>
                </child>

                <!-- Disk Capacity -->
                <child>
                  <object class="AdwActionRow" id="disk_row">
                    <property name="title" translatable="yes">Disk Capacity</property>
                    <property name="subtitle" translatable="yes">Calculating…</property>
                    <style>
                      <class name="property"/>
                    </style>
                  </object>
                </child>

                <!-- System Details -->
                <child>
                  <object class="CcListRow">
                    <property name="title" translatable="yes">_System Details</property>
                    <property name="show-arrow">True</property>
                    <signal name="activated" handler="cc_about_page_open_system_details" swapped="yes"/>
                  </object>
                </child>

              </object>
            </child>
          </object>
        </property>
      </object>
    </property>
  </template>
</interface>