aseprite/data/widgets/file_selector.xml

<!-- ASEPRITE -->
<!-- Copyright (C) 2001-2016 by David Capello -->
<gui>
  <window id="file_selector" text="">
  <vbox id="main">
    <box horizontal="true">
      <box horizontal="true" noborders="true">
        <button text="" id="go_back_button" bevel="2 0 2 0" tooltip="Go back one folder" />
        <button text="" id="go_forward_button" bevel="0 2 0 2" tooltip="Go forward one folder" />
      </box>
      <button text="" id="go_up_button" tooltip="Up to parent folder&#10;(Backspace)" />
      <button text="" id="new_folder_button" tooltip="New folder" />
      <combobox id="location" expansive="true" />
    </box>
    <vbox id="file_view_placeholder" expansive="true" />
    <grid columns="2">
      <label text="File name:" />
      <box id="file_name_placeholder" cell_align="horizontal" />

      <label text="File type:" />
      <hbox cell_align="horizontal">
        <combobox id="file_type" minwidth="70" />
	<vbox>
	  <boxfiller />
          <link id="extra_options" text="" />
          <boxfiller />
        </vbox>
        <boxfiller />
        <box horizontal="true" homogeneous="true">
          <button text="&amp;OK" closewindow="true" id="ok" magnet="true" width="60" />
          <button text="&amp;Cancel" closewindow="true" id="cancel" />
        </box>
      </hbox>
    </grid>
  </vbox>
  </window>
</gui>