scratchfoundation/paper.js
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Fix alt key combos on Chrome.

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Relates to #860
This commit is contained in:
Jürg Lehni 2015-12-20 21:44:39 +01:00
parent 0badb3b3f4
commit e3a27da7b2
1 changed files with 8 additions and 7 deletions
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15
src/event/Key.js
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@ -16,7 +16,7 @@
*/
var Key = new function() {
var keyLookup = {
// Unify different naming scheme, e.g. Gecko, IE, ...
// Unify different key identifier naming schemes, e.g. on Gecko, IE:
'\t': 'tab',
' ': 'space',
'Spacebar': 'space',
@ -25,6 +25,7 @@ var Key = new function() {
'Esc': 'escape',
},
// To find corresponding characters for special keys in keydown events:
charLookup = {
'tab': '\t',
'space': ' ',
@ -137,14 +138,14 @@ var Key = new function() {
DomEvent.add(document, {
keydown: function(event) {
var key = getKey(event),
browser = paper.browser,
// Chrome doesn't fire keypress events for command keys, so we
// need to handle this in a way that works across platforms.
fixCommand = browser.chrome && (browser.mac && event.metaKey
|| !browser.mac && event.ctrlKey);
browser = paper.browser;
// Directly handle any special keys (key.length > 1) in keydown, as
// not all of them will receive keypress events.
if (key.length > 1 || fixCommand) {
// Chrome doesn't fire keypress events for command and alt keys,
// so we need to handle this in a way that works across all OSes.
if (key.length > 1 || browser.chrome && (event.altKey
|| browser.mac && event.metaKey
|| !browser.mac && event.ctrlKey)) {
handleKey(true, key, charLookup[key] ||
(key.length > 1 ? '' : key), event);
// Do not set downKey as we handled it already. E.g. space would