fgdata/gui/dialogs/location.xml

<?xml version="1.0"?>

<PropertyList>
 <name>location</name>
 <width>400</width>
 <height>400</height>

 <text>
  <x>10</x>
  <y>360</y>
  <label>Set New Location</label>
 </text>

 <input>
  <x>10</x>
  <y>300</y>
  <width>200</width>
  <height>25</height>
  <label>Airport</label>
  <property>/sim/presets/airport-id</property>
 </input>

 <input>
  <x>10</x>
  <y>270</y>
  <width>200</width>
  <height>25</height>
  <label>Runway</label>
  <property>/sim/presets/runway</property>
 </input>

 <input>
  <x>10</x>
  <y>240</y>
  <width>200</width>
  <height>25</height>
  <label>VOR</label>
  <property>/sim/presets/vor-id</property>
 </input>

 <input>
  <x>10</x>
  <y>210</y>
  <width>200</width>
  <height>25</height>
  <label>NDB</label>
  <property>/sim/presets/ndb-id</property>
 </input>

 <input>
  <x>10</x>
  <y>180</y>
  <width>200</width>
  <height>25</height>
  <label>Fix</label>
  <property>/sim/presets/fix</property>
 </input>

 <input>
  <x>10</x>
  <y>150</y>
  <width>200</width>
  <height>25</height>
  <label>Distance (mi)</label>
  <property>/sim/presets/offset-distance</property>
 </input>

 <input>
  <x>10</x>
  <y>120</y>
  <width>200</width>
  <height>25</height>
  <label>Altitude (ft)</label>
  <property>/sim/presets/altitude-ft</property>
 </input>

 <input>
  <x>10</x>
  <y>90</y>
  <width>200</width>
  <height>25</height>
  <label>Glidepath (deg)</label>
  <property>/sim/presets/glidescope-deg</property>
 </input>

 <input>
  <x>10</x>
  <y>60</y>
  <width>200</width>
  <height>25</height>
  <label>Airspeed (kt)</label>
  <property>/sim/presets/airspeed-kt</property>
 </input>

 <!-- Button Box -->
 <group>
  <x>10</x>
  <y>10</y>

  <button>
   <x>0</x>
   <y>0</y>
   <legend>OK</legend>
   <binding>
    <command>property-assign</command>
    <property>/sim/presets/longitude-deg</property>
    <value type="double">-9999</value>
   </binding>
   <binding>
    <command>property-assign</command>
    <property>/sim/presets/latitude-deg</property>
    <value type="double">-9999</value>
   </binding>
   <binding>
    <command>dialog-apply</command>
   </binding>
   <binding>
    <command>presets-commit</command>
   </binding>
   <binding>
    <command>dialog-close</command>
   </binding>
   <default>true</default>
  </button>

  <button>
   <x>100</x>
   <y>0</y>
   <legend>Apply</legend>
   <binding>
    <command>property-assign</command>
    <property>/sim/presets/longitude-deg</property>
    <value type="double">-9999</value>
   </binding>
   <binding>
    <command>property-assign</command>
    <property>/sim/presets/latitude-deg</property>
    <value type="double">-9999</value>
   </binding>
   <binding>
    <command>dialog-apply</command>
   </binding>
   <binding>
    <command>presets-commit</command>
   </binding>
  </button>

  <button>
   <x>200</x>
   <y>0</y>
   <legend>Reset</legend>
   <binding>
    <command>dialog-update</command>
   </binding>
  </button>

  <button>
   <x>300</x>
   <y>0</y>
   <legend>Cancel</legend>
   <binding>
    <command>dialog-close</command>
   </binding>
  </button>

 </group>

</PropertyList>