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Track keys using keyIdentifier

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This is necessary on older iOS where code isn't provided.
This commit is contained in:
Pierre Ossman
2017-07-06 12:52:42 +02:00
parent 844e983916
commit 7e79dfe425
2 changed files with 53 additions and 8 deletions
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core/input/devices.js
+26 -8
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@@ -92,16 +92,34 @@ Keyboard.prototype = {
_getKeyCode: function (e) {
var code = KeyboardUtil.getKeycode(e);
if (code === 'Unidentified') {
// Unstable, but we don't have anything else to go on
// (don't use it for 'keypress' events thought since
// WebKit sets it to the same as charCode)
if (e.keyCode && (e.type !== 'keypress')) {
code = 'Platform' + e.keyCode;
}
if (code !== 'Unidentified') {
return code;
}
return code;
// Unstable, but we don't have anything else to go on
// (don't use it for 'keypress' events thought since
// WebKit sets it to the same as charCode)
if (e.keyCode && (e.type !== 'keypress')) {
return 'Platform' + e.keyCode;
}
// A precursor to the final DOM3 standard. Unfortunately it
// is not layout independent, so it is as bad as using keyCode
if (e.keyIdentifier) {
// Non-character key?
if (e.keyIdentifier.substr(0, 2) !== 'U+') {
return e.keyIdentifier;
}
var codepoint = parseInt(e.keyIdentifier.substr(2), 16);
var char = String.fromCharCode(codepoint);
// Some implementations fail to uppercase the symbols
char = char.toUpperCase();
return 'Platform' + char.charCodeAt();
}
return 'Unidentified';
},
_handleKeyDown: function (e) {