aseprite/data/widgets/options.xml

<!-- Aseprite -->
<!-- Copyright (C) 2001-2016 by David Capello -->
<gui>
  <window id="options" text="Preferences">
  <vbox>
    <hbox expansive="true">
      <view maxsize="true">
        <listbox id="section_listbox">
          <listitem text="General" value="section_general" />
          <listitem text="Editor" value="section_editor" />
          <listitem text="Timeline" value="section_timeline" />
          <listitem text="Cursors" value="section_cursors" />
          <listitem text="Grid &amp;&amp; Background" value="section_grid" />
          <listitem text="Undo" value="section_undo" />
          <listitem text="Theme" value="section_theme" />
          <listitem text="Experimental" value="section_experimental" />
        </listbox>
      </view>

      <panel id="panel" expansive="true">
        <vbox id="section_general">
          <separator text="General" horizontal="true" />
          <hbox>
            <grid columns="2">
              <label text="Screen Scaling:" />
              <combobox id="screen_scale">
                <listitem text="100%" value="1" />
                <listitem text="200%" value="2" />
                <listitem text="300%" value="3" />
                <listitem text="400%" value="4" />
              </combobox>
              <label text="UI Elements Scaling:" />
              <combobox id="ui_scale">
                <listitem text="100%" value="1" />
                <listitem text="200%" value="2" />
                <listitem text="300%" value="3" />
                <listitem text="400%" value="4" />
              </combobox>
            </grid>
          </hbox>
          <check text="GPU acceleration" id="gpu_acceleration" tooltip="Check this option to enable hardware acceleration" />
          <check text="Expand menu bar items on mouseover" id="expand_menubar_on_mouseover" tooltip="Check this option to get&#10;this old menus behavior." />
          <hbox>
            <check text="Automatically save recovery data every" id="enable_data_recovery" tooltip="With this option you can recover your documents&#10;if the program finalizes unexpectedly." />
            <combobox id="data_recovery_period">
              <listitem text="2 Minutes" value="2" />
              <listitem text="5 Minutes" value="5" />
              <listitem text="10 Minutes" value="10" />
              <listitem text="15 Minutes" value="15" />
              <listitem text="30 Minutes" value="30" />
            </combobox>
          </hbox>
          <separator horizontal="true" />
          <link id="locate_file" text="Locate Configuration File" />
          <link id="locate_crash_folder" text="Locate Crash Folder" />
        </vbox>

        <!-- Editor -->
        <vbox id="section_editor">
          <separator text="Editor" horizontal="true" />
          <check text="Zoom with scroll wheel" id="wheel_zoom" />
          <check text="Zoom from center with scroll wheel" id="zoom_from_center_with_wheel" />
          <check text="Zoom from center with keys" id="zoom_from_center_with_keys" />
          <check text="Show scroll-bars in sprite editor" id="show_scrollbars" tooltip="Show scroll-bars in all sprite editors." />
          <hbox>
            <label text="Right-click:" />
            <combobox id="right_click_behavior" expansive="true" />
          </hbox>

          <separator text="Selection" horizontal="true" />
          <check text="Adjust opaque/transparent mode automatically" id="auto_opaque" tooltip="Depending on the layer (background/transparent),&#10;the pasted selection will be adjusted&#10;automatically (opaque/transparent)" />
          <check text="Keep selection after &quot;Edit &gt; Clear&quot; command" id="keep_selection_after_clear" tooltip="Check this if you want to keep the selection&#10;after deleting it." />
        </vbox>

        <!-- Timeline -->
        <vbox id="section_timeline">
          <separator text="Timeline" horizontal="true" />
          <check text="Show timeline automatically" id="autotimeline" tooltip="Show the timeline automatically&#10;when a new frame or layer is added." />
          <check text="Rewind on Stop" id="rewind_on_stop" tooltip="The 'Stop' button should rewind the animation&#10;where it was started." />
	</vbox>

        <!-- Cursors -->
        <vbox id="section_cursors">
          <separator text="Painting Cursors" horizontal="true" />
          <label text="Precise Cursor Color:" />
	  <hbox>
	    <combobox group="1" id="cursor_color_type">
	      <listitem text="Negative Black and White" value="0" />
	      <listitem text="Specific Color" value="1" />
	    </combobox>
	    <box id="cursor_color_placeholder" /><!-- custom widget -->
	  </hbox>

	  <label text="Brush Preview:" />
          <combobox id="brush_preview">
            <listitem text="None" value="0" />
            <listitem text="Brush Edges" value="1" />
            <listitem text="Full Real-time Brush Preview" value="2" />
          </combobox>
        </vbox>

        <!-- Grid & background -->
        <vbox id="section_grid">
          <combobox id="grid_scope" />
          <separator text="Grid" horizontal="true" />
          <grid columns="3">
            <label text="Grid Color:" />
            <box id="grid_color_placeholder" /><!-- custom widget -->
	    <hbox />

	    <label text="Grid Opacity:" />
            <slider grid_hspan="1" id="grid_opacity" min="1" max="255" width="128" />
            <check id="grid_auto_opacity" text="Auto" />

            <label text="Pixel Grid Color:" />
            <box id="pixel_grid_color_placeholder" /><!-- custom widget -->
	    <hbox />

	    <label text="Pixel Grid Opacity:" />
            <slider id="pixel_grid_opacity" min="1" max="255" width="128" />
            <check id="pixel_grid_auto_opacity" text="Auto" />
          </grid>

          <separator text="Checked Background" horizontal="true" />
          <hbox>
            <label text="Size:" />
            <combobox id="checked_bg_size" expansive="true" />
          </hbox>
          <check text="Apply Zoom" id="checked_bg_zoom" />
          <hbox>
            <label text="Colors:" />
            <box horizontal="true" id="checked_bg_color1_box" />
            <box horizontal="true" id="checked_bg_color2_box" />
          </hbox>

	  <hbox>
	    <hbox expansive="true" />
            <button id="reset" text="Reset" width="60" />
	  </hbox>
        </vbox>

        <!-- Undo -->
        <vbox id="section_undo">
          <separator text="Undo" horizontal="true" />
          <hbox>
            <label text="Undo Limit:" />
            <entry id="undo_size_limit" maxsize="4" tooltip="Limit of memory to be used&#10;for undo information per sprite.&#10;Specified in megabytes." />
            <label text="MB" />
          </hbox>

          <vbox>
            <check id="undo_goto_modified" text="Go to modified frame/layer" tooltip="When it's enabled each time you undo/redo&#10;the current frame &amp; layer will be modified&#10;to focus the undid/redid change." />
            <check id="undo_allow_nonlinear_history" text="Allow non-linear history" />
          </vbox>
        </vbox>

        <!-- Theme -->
        <vbox id="section_theme">
          <separator text="Available Themes" horizontal="true" />
          <view expansive="true" maxsize="true">
            <listbox id="theme_list" />
	  </view>
          <hbox>
	    <button id="select_theme" text="&amp;Select" width="60" />
	    <boxfiller />
	    <button id="open_theme_folder" text="Open &amp;Folder" width="100" />
          </hbox>
        </vbox>

        <!-- Experimental -->
        <vbox id="section_experimental">
          <separator text="User Interface" horizontal="true" />
          <check id="native_cursor" text="Use native mouse cursor" />
          <check id="native_file_dialog" text="Use native file dialog" />
          <check id="flash_layer" text="Flash layer when it is selected" />
        </vbox>

      </panel>
    </hbox>
    <separator horizontal="true" />
    <hbox>
      <boxfiller />
      <hbox homogeneous="true">
        <button text="&amp;OK" closewindow="true" id="button_ok" magnet="true" width="60" />
        <button text="&amp;Cancel" closewindow="true" />
      </hbox>
    </hbox>
  </vbox>
  </window>
</gui>