fgdata/gui/dialogs/input-config.xml

<?xml version="1.0"?>

<PropertyList>
  <name>input-config</name>

  <nasal>
    <open>
        var syncRadioState = func()
        {
            var cycle = getprop("/sim/mouse/right-button-mode-cycle-enabled");
            setprop("/sim/gui/dialogs/input-config/right-mouse-look", !cycle);
            setprop("/sim/gui/dialogs/input-config/right-mouse-cycle", cycle);
        }

        var rightMouseMode = func(newMode)
        {
            var doCycle = (newMode == "cycle");
            setprop("/sim/mouse/right-button-mode-cycle-enabled", doCycle);
            syncRadioState();
        }

        syncRadioState();
    </open>
  </nasal>

  <modal>false</modal>
  <layout>vbox</layout>

  <group>
    <layout>hbox</layout>
    <empty><stretch>1</stretch></empty>

    <text>
      <label>Input Options</label>
    </text>

    <empty><stretch>1</stretch></empty>

    <button>
      <pref-width>16</pref-width>
      <pref-height>16</pref-height>
      <legend></legend>
      <keynum>27</keynum>
      <border>2</border>
      <binding>
        <command>dialog-close</command>
      </binding>
    </button>
  </group>

  <hrule/>

    <group>
      <halign>center</halign>
      <valign>top</valign>

      <layout>table</layout>

      <group>
          <pref-width>600</pref-width>
          <row>0</row>
          <col>0</col>
          <colspan>2</colspan>

          <layout>vbox</layout>

          <text>
              <halign>left</halign>
              <label>Pressing TAB cycles the mouse between different behaviours - normal, flight-controls and look.</label>
          </text>
          <text>
              <halign>left</halign>
              <label>The right-mouse button can be used in two different ways:</label>
          </text>
     </group>


      <text>
          <label>Press and hold right mouse to look around</label>
          <halign>right</halign>
          <row>1</row>
          <col>0</col>
      </text>
      <radio>
          <row>1</row>
          <col>1</col>
          <property>/sim/gui/dialogs/input-config/right-mouse-look</property>
          <live>true</live>
          <binding>
              <command>nasal</command>
              <script>rightMouseMode("look")</script>
          </binding>
      </radio>

      <text>
          <label>Click right mouse to cycle mouse behaviour</label>
          <halign>right</halign>
          <row>2</row>
          <col>0</col>
      </text>
      <radio>
          <row>2</row>
          <col>1</col>
          <property>/sim/gui/dialogs/input-config/right-mouse-cycle</property>
          <live>true</live>
          <binding>
              <command>nasal</command>
              <script>rightMouseMode("cycle")</script>
          </binding>
      </radio>

      <checkbox>
          <row>3</row>
          <col>0</col>
          <colspan>2</colspan>
        <halign>left</halign>
        <label>Disable flight-controls via mouse</label>
        <property>/sim/mouse/skip-flight-controls-mode</property>
        <binding>
          <command>dialog-apply</command>
        </binding>
      </checkbox>


    </group>

  <hrule/>

  <button>
    <legend>Close</legend>
    <default>true</default>
    <key>Esc</key>
    <binding>
      <command>dialog-apply</command>
    </binding>
    <binding>
      <command>dialog-close</command>
    </binding>
  </button>

</PropertyList>