flightgear-addon-vfrnavigator/gui/vfrmap.xml

<?xml version="1.0"?>

<PropertyList>
    <name>vfrmap</name>
    <layout>vbox</layout>
    <resizable>true</resizable>
    <modal>false</modal>
    <x>5</x>
    <y>5</y>
    <default-padding>3</default-padding>

    <color>
        <alpha type="float">1.0</alpha>
    </color>

    <nasal>
        <open>
            var mapDialog = cmdarg();
            var setTransparency = func(updateDialog){
                var alpha = (getprop("/gui/map/transparent") or 0);
                mapDialog.getNode("color/alpha").setValue(1-alpha*0.3);
                if (updateDialog)
                {
                    var n = props.Node.new({ "dialog-name": "vfrmap" });
                    fgcommand("dialog-close", n);
                    fgcommand("dialog-show", n);
                }
            }
            setTransparency(0);

            var reinit = func() {
                setTransparency(1);
            }

            var transparency_listener = setlistener("/gui/map/transparent", reinit, 0, 0);
        </open>

        <close>
            removelistener(transparency_listener);
        </close>
    </nasal>

    <group>
        <layout>hbox</layout>
        <default-padding>1</default-padding>

        <button>
            <pref-width>48</pref-width>
            <pref-height>24</pref-height>
            <legend>config</legend>
            <keynum>27</keynum>
            <border>2</border>

            <binding>
                <command>dialog-show</command>
                <dialog-name>vfrmap-settings</dialog-name>
            </binding>
        </button>
        <button>
            <name>zoomout</name>
            <legend>-</legend>
            <pref-width>22</pref-width>
            <pref-height>22</pref-height>

            <binding>
                <command>property-adjust</command>
                <property>/gui/map/zoom</property>
                <min>0</min>
                <step>-1</step>
            </binding>
        </button>

        <text>
            <label>MMM</label>
            <pref-width>22</pref-width>
            <format>%d</format>
            <property>/gui/map/zoom</property>
            <live>true</live>
        </text>

        <button>
            <name>zoomin</name>
            <legend>+</legend>
            <pref-width>22</pref-width>
            <pref-height>22</pref-height>

            <binding>
                <command>property-adjust</command>
                <property>/gui/map/zoom</property>
                <step>1</step>
                <max>12</max>
            </binding>
        </button>

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

        <text>
            <label>Map</label>
        </text>

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

        <button>
            <pref-width>22</pref-width>
            <pref-height>22</pref-height>
            <legend>X</legend>
            <keynum>27</keynum>
            <border>2</border>

            <binding>
                <command>dialog-close</command>
            </binding>
        </button>
    </group>

    <hrule/>

    <group>
        <layout>hbox</layout>
        <stretch>true</stretch>
        <halign>fill</halign>

        <group>
            <layout>vbox</layout>
            <stretch>true</stretch>

            <map>
                <halign>fill</halign>
                <valign>fill</valign>
                <stretch>true</stretch>
                <pref-height>200</pref-height>
                <pref-width>300</pref-width>
                <property>/gui/map</property>
            </map>
        </group>

    </group>

    <group>
        <layout>hbox</layout>
        <default-padding>2</default-padding>
        <text>
            <label>MMMMM</label>
            <format>%s</format>
            <property>/autopilot/route-manager/wp[0]/id</property>
            <live>true</live>
        </text>
        <text>
            <label>MMMMM</label>
            <format>B %.0f</format>
            <property>/autopilot/route-manager/wp[0]/true-bearing-deg</property>
            <live>true</live>
        </text>
        <text>
            <label>MMMMM</label>
            <format>D %.2f nm</format>
            <property>/autopilot/route-manager/wp[0]/dist</property>
            <live>true</live>
        </text>
        <text>
            <label>MMMMM</label>
            <format>ETA %s</format>
            <property>/autopilot/route-manager/wp[0]/eta</property>
            <live>true</live>
        </text>
        <text>
            <label>MMMMM</label>
            <format>WB %.0f</format>
            <property>/environment/wind-from-heading-deg</property>
            <live>true</live>
        </text>
        <text>
            <label>MMMMM</label>
            <format>WS %.0f</format>
            <property>/environment/wind-speed-kt</property>
            <live>true</live>
        </text>
    </group>
</PropertyList>