273 lines
6.9 KiB
Text
273 lines
6.9 KiB
Text
var translate = { 356: '<', 357: '^', 358: '>', 359: '_' };
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var listener = nil;
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var dialog = nil;
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var data = nil;
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var cmd = nil;
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var menu = 0;
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var start = func {
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cmd = "";
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dialog = Dialog.new();
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handle_key(8);
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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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removelistener(listener);
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listener = nil;
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dialog.del();
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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 == `\t`) {
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menu = !menu;
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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 options = [];
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var bindings = [];
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var desc = __multikey._ = nil;
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if ((var node = find_entry(cmd, data, __multikey.arg = [])) != nil) {
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desc = node.getNode("desc", 1).getValue() or "";
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desc = call(sprintf, [desc] ~ __multikey.arg);
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bindings = node.getChildren("binding");
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if (node.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 (node.getNode("exit") != nil) {
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mode = 2;
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}
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if (menu)
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foreach (var c; node.getChildren("key"))
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if (size(c.getChildren("binding")) or size(c.getChildren("key")))
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append(options, c);
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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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dialog.update(cmd, __multikey._ or desc, options);
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return 1;
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}
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var Dialog = {
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new : func {
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var m = { parents: [Dialog] };
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m.name = "multikey";
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m.prop = props.Node.new({ "dialog-name": m.name });
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m.isopen = 0;
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m.firstrun = 1;
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return m;
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},
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del : func {
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me.isopen and fgcommand("dialog-close", me.prop);
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me.isopen = 0;
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},
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update : func(cmd, title, options) {
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var dlg = gui.Widget.new();
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dlg.set("name", me.name);
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dlg.set("y", -80);
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dlg.set("layout", "vbox");
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dlg.set("default-padding", 2);
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# title/description
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var t = dlg.addChild("text");
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if (!size(cmd)) {
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t.set("label", " Command Mode ");
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t.setColor(1, 0.7, 0);
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} elsif (title) {
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t.set("label", " " ~ title ~ " ");
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t.setColor(0.7, 1, 0.7);
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} else {
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t.set("label", " <unknown> ");
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t.setColor(1, 0.4, 0.4);
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}
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# typed command
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var t = dlg.addChild("text");
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if (me.firstrun) {
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me.firstrun = 0;
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cmd = " Use <Tab> to toggle options! ";
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t.setColor(0.5, 0.5, 0.5);
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}
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t.set("label", cmd);
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# option menu
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if (var numopt = size(options)) {
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dlg.addChild("hrule");
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var g = dlg.addChild("group");
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g.set("layout", "table");
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g.set("default-padding", 2);
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var column_height = numopt / (1 + (numopt > 15) + (numopt > 30));
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forindex (var i; options) {
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var col = 3 * int(i / column_height);
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var row = math.mod(i, column_height);
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var desc = (options[i].getNode("desc", 1).getValue() or "") ~ " ";
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var name = " " ~ options[i].getNode("name", 1).getValue();
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name = string.replace(name, "%%", "%");
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var o = g.addChild("text");
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o.set("label", name);
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o.set("row", row);
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o.set("col", col);
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var o = g.addChild("text");
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o.set("label", " ... ");
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o.set("row", row);
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o.set("col", col + 1);
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var o = g.addChild("text");
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o.set("label", desc);
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o.set("row", row);
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o.set("col", col + 2);
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o.set("halign", "left");
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}
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}
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me.del();
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fgcommand("dialog-new", dlg.prop());
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fgcommand("dialog-show", me.prop);
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me.isopen = 1;
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},
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};
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var help = func {
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var colorize = func(str) {
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var s = "";
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for (var i = 0; i < size(str); i += 1) {
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var c = str[i];
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if (c == `<` or c == `>` or c == `^` or c == `_`) {
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s ~= string.color("35", chr(c));
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} elsif (c == `%`) {
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if ((i += 1) < size(str) and str[i] == `%`) {
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s ~= '%';
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continue;
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}
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var f = '%';
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for (; i < size(str) and (c = str[i]) != nil and string.isdigit(c); i += 1)
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f ~= chr(c);
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if (c == `d`)
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s ~= string.color("31", f ~ 'd');
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elsif (c == `u`)
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s ~= string.color("32", f ~ 'u');
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elsif (c == `f`)
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s ~= string.color("36", f ~ 'f');
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elsif (c == `s`)
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s ~= string.color("34", f ~ 's');
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} else {
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s ~= chr(c);
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}
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}
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return s;
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}
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var list = [];
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var read_list = func(data) {
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foreach (var c; data.children)
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read_list(c);
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if (size(data.format))
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append(list, [data.format, data.node]);
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}
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read_list(data);
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var (curr, title) = (0, "");
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foreach (var k; sort(list, func(a, b) cmp(a[0], b[0]))) {
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var bndg = k[1].getChildren("binding");
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var desc = k[1].getNode("desc", 1).getValue() or "??";
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if (size(k[0]) == 1 or k[0][0] == `%`)
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title = desc;
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if (!size(bndg) or size(bndg) == 1 and bndg[0].getNode("command", 1).getValue() == "null")
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continue;
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if (string.isalnum(k[0][0]) and k[0][0] != curr) {
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curr = k[0][0];
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var line = "---------------------------------------------------";
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print(string.color("33", sprintf("\n-- %s %s", title, substr(line, size(title) + 2))));
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}
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if (k[1].getNode("no-exit") != nil)
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desc ~= string.color("32", " +");
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elsif (k[1].getNode("exit") != nil)
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desc ~= string.color("31", " $");
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printf("%s\t%s", colorize(k[0]), desc);
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}
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print(string.color("33", "\n-- Legend -------------------------------------------"));
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printf("\t%s ... unsigned number", colorize("%u"));
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printf("\t%s ... signed number", colorize("%d"));
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printf("\t%s ... floating point number", colorize("%f"));
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printf("\t%s ... string", colorize("%s"));
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printf("\t%s ... < or cursor left", colorize("<"));
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printf("\t%s ... > or cursor right", colorize(">"));
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printf("\t%s ... ^ or cursor up", colorize("^"));
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printf("\t%s ... _ or cursor down", colorize("_"));
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printf("\t%s ... repeatable action", string.color("32", "+"));
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printf("\t%s ... immediate action", string.color("31", "$"));
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}
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var find_entry = func(str, data, result) {
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foreach (var c; data.children)
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if ((var n = find_entry(str, c, result)) != nil)
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return n;
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if (string.scanf(str, data.format, var res = [])) {
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foreach (var r; res)
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append(result, r);
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return data.node;
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}
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return nil;
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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 scan = func(tree, format = "") {
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var d = [];
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foreach (var key; tree.getChildren("key"))
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foreach (var name; key.getChildren("name"))
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if ((var n = name.getValue()) != nil)
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append(d, { format: format ~ n, node: key,
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children: scan(key, format ~ n) });
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return d;
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}
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data = { format: "", node: tree, children: scan(tree) };
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}
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_setlistener("/sim/signals/nasal-dir-initialized", init);
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