fgdata/gui/dialogs/joystick-info.xml

<?xml version="1.0"?>

<PropertyList>
	<name>joystick-info</name>
	<layout>vbox</layout>
	<default-padding>3</default-padding>

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

		<empty><stretch>true</stretch></empty>

		<text>
			<label>Joystick Information</label>
		</text>

		<empty><stretch>true</stretch></empty>

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

	<hrule/>

	<nasal>
		<open>
			value = func(p, default = "") {
				return p != nil and (var v = p.getValue()) != nil ? v : default;
			}

			items = func(it, name) {
				var t = "";
				foreach (var x; it) {
					t ~= "    [";
					t ~= value(x.getNode("name"), name ~ " #" ~ x.getIndex());
					t ~= "] ... ";
					t ~= value(x.getNode("desc"), "???");
					t ~= "\n";
				}
				return t;
			}

			var t = "";
			var joysticks = props.globals.getNode("/input/joysticks").getChildren("js");
			var numjs = size(joysticks);
			forindex (var i; joysticks) {
				var js = joysticks[i];
				var id = value(js.getNode("id"), "[unnamed]");
				var source = value(js.getNode("source"), "[user defined]");
				var names = js.getChildren("name");

				t ~= "Joystick #" ~ js.getIndex() ~ ": \"" ~ id ~ "\"\n\n";
				t ~= "    Driver: " ~ source ~ "\n";
				if (size(names)) {
					t ~= "    Used for: ";
					var last = pop(names);
					foreach (var n; names) {
						t ~= '"' ~ value(n) ~ '", ';
					}
					t ~= '"' ~ value(last) ~ '"';
				}
				t ~= "\n\n";
				t ~= items(js.getChildren("axis"), "Axis");
				t ~= "\n";
				t ~= items(js.getChildren("button"), "Button");

				var help = value(js.getNode("help"), nil);
				if (help != nil) {
					t ~= "\n\n" ~ help;
				}

				if (numjs > 1 and i &lt; numjs - 1) {
					t ~= "\n\n\n----------------------------------------\n\n\n";
				}
			}

			var text = props.globals.getNode("/sim/gui/dialogs/joystick-info/text", 1);
			text.setValue(t);
		</open>

		<close>
			text.setValue("");
		</close>
	</nasal>

	<textbox>
		<halign>fill</halign>
		<pref-width>640</pref-width>
		<pref-height>480</pref-height>
		<slider>20</slider>
		<wrap>true</wrap>
		<editable>false</editable>
		<property>/sim/gui/dialogs/joystick-info/text</property>
	</textbox>
</PropertyList>