awtk/demos/assets/default/raw/ui/slide_menu.xml

<window theme="slide_menu" children_layout="default(c=1,h=60,s=10)">
  <slide_menu style="mask" align_v="top">
    <button style="slide_button" text="0"/>
    <button style="slide_button" text="1"/>
    <button style="slide_button" text="2"/>
    <button style="slide_button" text="3"/>
    <button style="slide_button" text="4"/>
  </slide_menu>
  <slide_menu style="mask" align_v="middle">
    <button style="slide_button" text="0"/>
    <button style="slide_button" text="1"/>
    <button style="slide_button" text="2"/>
    <button style="slide_button" text="3"/>
    <button style="slide_button" text="4"/>
    <button style="slide_button" text="5"/>
    <button style="slide_button" text="6"/>
  </slide_menu>
  <slide_menu align_v="bottom">
    <button style="slide_button" text="0"/>
    <button style="slide_button" text="1"/>
    <button style="slide_button" text="2"/>
    <button style="slide_button" text="3"/>
    <button style="slide_button" text="4"/>
    <button style="slide_button" text="5"/>
    <button style="slide_button" text="6"/>
    <button style="slide_button" text="7"/>
    <button style="slide_button" text="8"/>
    <button style="slide_button" text="9"/>
  </slide_menu>
  <slide_menu align_v="middle" min_scale="1">
    <button style="slide_button" text="0"/>
    <button style="slide_button" text="1"/>
    <button style="slide_button" text="2"/>
    <button style="slide_button" text="3"/>
    <button style="slide_button" text="4"/>
    <button style="slide_button" text="5"/>
    <button style="slide_button" text="6"/>
    <button style="slide_button" text="7"/>
    <button style="slide_button" text="8"/>
    <button style="slide_button" text="9"/>
  </slide_menu>
</window>