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

<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <template class="CcRegionPage" parent="AdwNavigationPage">
    <property name="title" translatable="yes">Region &amp; Language</property>
    <property name="tag">system-region-page</property>

    <property name="child">
      <object class="AdwToolbarView">
        <child type="top">
          <object class="AdwHeaderBar"/>
        </child>

        <property name="content">
          <object class="GtkBox">
            <property name="orientation">vertical</property>

            <child>
              <object class="AdwBanner" id="banner">
                <property name="title" translatable="yes">Language and format will be changed after next login</property>
                <property name="button-label" translatable="yes">Log _Out…</property>
                <signal name="button-clicked" handler="restart_now" object="CcRegionPage" swapped="yes"/>
              </object>
            </child>

            <child>
              <object class="AdwPreferencesPage">
                <property name="description" translatable="yes">The language setting is used for interface text and web pages. Formats are used for numbers, dates, and currencies.</property>
                <child>
                  <object class="AdwPreferencesGroup">
                    <property name="title" translatable="yes">Your Account</property>

                    <child>
                      <object class="CcListRow" id="language_row">
                        <property name="title" translatable="yes">_Language</property>
                        <property name="activatable">True</property>
                        <property name="show-arrow">True</property>
                        <signal name="activated" handler="on_user_language_row_activated_cb" object="CcRegionPage" swapped="yes" />
                      </object>
                    </child>

                    <child>
                      <object class="CcListRow" id="formats_row">
                        <property name="title" translatable="yes">_Formats</property>
                        <property name="activatable">True</property>
                        <property name="show-arrow">True</property>
                        <signal name="activated" handler="on_user_formats_row_activated_cb" object="CcRegionPage" swapped="yes" />
                      </object>
                    </child>
                  </object>
                </child>

                <child>
                  <object class="AdwPreferencesGroup" id="login_group">
                    <property name="title" translatable="yes">Login Screen</property>

                    <child>
                      <object class="CcListRow" id="login_language_row">
                        <property name="title" translatable="yes">L_anguage</property>
                        <property name="activatable">True</property>
                        <property name="show-arrow">True</property>
                        <signal name="activated" handler="on_login_language_row_activated_cb" object="CcRegionPage" swapped="yes" />
                      </object>
                    </child>

                    <child>
                      <object class="CcListRow" id="login_formats_row">
                        <property name="title" translatable="yes">Fo_rmats</property>
                        <property name="activatable">True</property>
                        <property name="show-arrow">True</property>
                        <signal name="activated" handler="on_login_formats_row_activated_cb" object="CcRegionPage" swapped="yes" />
                      </object>
                    </child>
                  </object>
                </child>
              </object>
            </child>
          </object>
        </property>
      </object>
    </property>
  </template>
</interface>