aseprite/data/widgets/tileset_selector.xml

<!-- Aseprite -->
<!-- Copyright (C) 2019-2020  Igara Studio S.A. -->
<gui>
<vbox id="tileset_selector">
  <combobox id="tilesets">
    <listitem text="@.new_tileset" value="-1" />
  </combobox>

  <grid columns="4" expansive="true">
    <label text="@.name" />
    <entry maxsize="256" id="name" text="" cell_hspan="3" />

    <label text="@.grid_width" />
    <expr id="grid_width" text="" />
    <label text="@.grid_height" />
    <expr id="grid_height" text="" />

    <label text="@.base_index" />
    <expr id="base_index" text="1" tooltip="@.base_tooltip" />
    <boxfiller cell_hspan="2" />
  </grid>
</vbox>
</gui>