gtk2/gtk/inspector/css-editor.ui

<interface domain="gtk40">
  <object class="GtkTextTagTable" id="tags">
    <child type="tag">
      <object class="GtkTextTag">
        <property name="name">warning</property>
        <property name="underline">single</property>
        <property name="underline-rgba">darkorange</property>
      </object>
    </child>
    <child type="tag">
      <object class="GtkTextTag">
        <property name="name">error</property>
        <property name="underline">error</property>
      </object>
    </child>
  </object>
  <object class="GtkTextBuffer" id="text">
    <property name="tag-table">tags</property>
    <signal name="changed" handler="text_changed"/>
  </object>
  <template class="GtkInspectorCssEditor" parent="GtkBox">
    <property name="orientation">vertical</property>
    <child>
      <object class="GtkBox">
        <property name="spacing">6</property>
        <property name="margin">6</property>
        <child>
          <object class="GtkToggleButton" id="disable_button">
            <property name="relief">none</property>
            <property name="tooltip-text" translatable="yes">Disable this custom CSS</property>
            <property name="icon-name">media-playback-pause-symbolic</property>
            <signal name="toggled" handler="disable_toggled"/>
          </object>
        </child>
        <child>
          <object class="GtkButton" id="save_button">
            <property name="relief">none</property>
            <property name="tooltip-text" translatable="yes">Save the current CSS</property>
            <property name="icon-name">document-save-symbolic</property>
            <signal name="clicked" handler="save_clicked"/>
          </object>
        </child>
      </object>
    </child>
    <child>
      <object class="GtkScrolledWindow">
        <property name="hscrollbar-policy">never</property>
        <property name="expand">1</property>
        <child>
          <object class="GtkTextView" id="view">
            <property name="buffer">text</property>
            <property name="wrap-mode">word</property>
            <property name="monospace">1</property>
            <property name="has-focus">1</property>
            <property name="left-margin">6</property>
            <property name="right-margin">6</property>
            <property name="has-tooltip">1</property>
            <signal name="query-tooltip" handler="query_tooltip_cb"/>
          </object>
        </child>
      </object>
    </child>
  </template>
</interface>