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Fix meta+character keys on mac

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Bert Belder 2011-01-21 00:47:55 +01:00 committed by Ryan Dahl
parent b9574b995f
commit 8da7202d0b
1 changed files with 12 additions and 4 deletions
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16
lib/tty_posix.js
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@ -66,6 +66,7 @@ ReadStream.prototype.isTTY = true;
Some patterns seen in terminal key escape codes, derived from combos seen Some patterns seen in terminal key escape codes, derived from combos seen
at http://www.midnight-commander.org/browser/lib/tty/key.c at http://www.midnight-commander.org/browser/lib/tty/key.c
ESC letter
ESC [ letter ESC [ letter
ESC [ modifier letter ESC [ modifier letter
ESC [ 1 ; modifier letter ESC [ 1 ; modifier letter
@ -89,9 +90,10 @@ ReadStream.prototype.isTTY = true;
- two leading ESCs apparently mean the same as one leading ESC - two leading ESCs apparently mean the same as one leading ESC
*/ */
// Regex used for ansi escape code splitting // Regexes used for ansi escape code splitting
var splitKeyCodeRe = var metaKeyCodeRe = /^(?:\x1b)([a-zA-Z0-9])$/,
/^(?:\x1b+)(O|N|\[|\[\[)(?:(\d+)(?:;(\d+))?([~^$])|(?:1;(\d+))?([a-zA-Z]))/; functionKeyCodeRe =
/^(?:\x1b+)(O|N|\[|\[\[)(?:(\d+)(?:;(\d+))?([~^$])|(?:1;(\d+))?([a-zA-Z]))/;
ReadStream.prototype._emitKey = function(s) { ReadStream.prototype._emitKey = function(s) {
var char, var char,
@ -140,7 +142,13 @@ ReadStream.prototype._emitKey = function(s) {
key.name = s.toLowerCase(); key.name = s.toLowerCase();
key.shift = true; key.shift = true;
} else if (parts = splitKeyCodeRe.exec(s)) { } else if (parts = metaKeyCodeRe.exec(s)) {
// meta+character key
key.name = parts[1].toLowerCase();
key.meta = true;
key.shift = /^[A-Z]$/.test(parts[1]);
} else if (parts = functionKeyCodeRe.exec(s)) {
// ansi escape sequence // ansi escape sequence
// reassemble the key code leaving out leading \x1b's, // reassemble the key code leaving out leading \x1b's,