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Some more simplifications in Key.

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This commit is contained in:
Jonathan Puckey 2011-04-25 17:16:45 +02:00
parent 95bfebf64b
commit a96bb326f4
1 changed files with 8 additions and 13 deletions
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21
src/ui/Key.js
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@ -27,31 +27,26 @@ var Key = new function() {
capsLock: false
};
function setActive(key, active) {
var keyIsActive = activeKeys[key];
if (!keyIsActive) {
if(active)
activeKeys[key] = true;
} else {
delete activeKeys[key];
}
}
var eventHandlers = Base.each(['keyDown', 'keyUp'], function(type) {
var toolHandler = 'on' + Base.capitalize(type),
keyDown = type == 'keyDown';
this[type.toLowerCase()] = function(event) {
console.log(event.which || event.keyCode);
var code = event.which || event.keyCode,
key = keys[code] || String.fromCharCode(code).toLowerCase();
// Activate or deactivate the key:
setActive(key, keyDown);
key = keys[code] || String.fromCharCode(code).toLowerCase(),
keyActive = activeKeys[key];
if (!keyActive && keyDown) {
activeKeys[key] = true;
} else if (keyActive && !keyDown) {
delete activeKeys[key];
}
// If the key is a modifier, update the modifiers:
if (modifiers[key] !== undefined)
modifiers[key] = keyDown;
// Call the onKeyDown or onKeyUp handler if present:
// TODO: don't call the key handler if the key is a modifier?
if(paper.tool[toolHandler]) {
paper.tool[toolHandler]({
type: keyDown ? 'key-down' : 'key-up',