119 lines
2.6 KiB
Text
119 lines
2.6 KiB
Text
var listener = nil;
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var cmd = nil;
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var data = nil;
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var translate = { 356: '<', 357: '^', 358: '>', 359: '_' };
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var start = func {
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popup(cmd = "");
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listener = setlistener("/devices/status/keyboard/event", func(event) {
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var key = event.getNode("key");
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if (!event.getNode("pressed").getValue()) {
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if (cmd == "" and key.getValue() == `;`) # FIXME hack around kbd bug
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key.setValue(`:`);
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return;
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}
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if (handle_key(key.getValue()))
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key.setValue(-1);
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});
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}
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var stop = func {
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gui.popdown();
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removelistener(listener);
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listener = nil;
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}
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var handle_key = func(key) {
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var mode = 0;
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if (key == 27) {
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stop();
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return 1;
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} elsif (key == 8) {
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cmd = substr(cmd, 0, size(cmd) - 1);
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} elsif (key == `\n` or key == `\r`) {
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mode = 2;
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} elsif (contains(translate, key)) {
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cmd ~= translate[key];
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} elsif (!string.isprint(key)) {
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return 0;
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} else {
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cmd ~= chr(key);
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}
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var desc = __multikey._ = nil;
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var bindings = [];
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if (size(cmd)) {
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foreach (var e; data) {
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var match = string.scanf(cmd, e[0], __multikey.arg = []);
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if (match) {
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desc = e[1].getNode("desc", 1).getValue() or "";
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desc = call(sprintf, [desc] ~ __multikey.arg);
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bindings = e[1].getChildren("binding");
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if (e[1].getNode("no-exit") != nil) {
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cmd = substr(cmd, 0, size(cmd) - 1);
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mode = 1;
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} elsif (e[1].getNode("exit") != nil) {
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mode = 2;
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}
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break;
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}
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}
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}
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if (mode and size(bindings)) {
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foreach (var b; bindings)
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props.runBinding(b, "__multikey");
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if (mode == 2)
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stop();
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}
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if (mode < 2)
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popup(cmd, __multikey._ or desc);
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return 1;
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}
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var popup = func(cmd, title = nil) {
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if (!size(cmd))
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var (title, r, g, b) = ("Command Mode", 1, 0.7, 0);
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elsif (title)
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var (r, g, b) = (0.7, 1, 0.7);
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else
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var (title, r, g, b) = ("<unknown>", 1, 0.4, 0.4);
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gui.popupTip("", 1e9, { layout: "vbox", text:
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[{ label: title, color: { red: r, green: g, blue: b } },
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{ label: cmd }] });
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}
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var init = func {
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globals["__multikey"] = { _: };
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var tree = props.globals.getNode("/input/keyboard/multikey", 1);
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foreach (var n; tree.getChildren("nasal")) {
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n.getNode("module", 1).setValue("__multikey");
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fgcommand("nasal", n);
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}
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var add = func(node, label) {
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var name = node.getNode("name", 1).getValue();
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if (name == nil) # 'or ""' doesn't work here, as we don't want to drop '0'
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name = "";
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foreach (var key; node.getChildren("key"))
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add(key, label ~ name);
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if (size(name))
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append(data, [label ~ name, node]);
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}
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data = [];
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add(tree, "");
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data = sort(data, func(a, b) -cmp(a[0], b[0]));
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}
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_setlistener("/sim/signals/nasal-dir-initialized", init);
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