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first pass at key bindings. just replicating keymaster for now.

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This commit is contained in:
Corey Johnson
2011-09-23 15:57:18 -07:00
parent 54ef21b353
commit d8d98ca7e3
3 changed files with 87 additions and 178 deletions
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1
Cocoa/Classes/AtomApp.m
View File

@@ -7,7 +7,6 @@
- (void)sendEvent:(NSEvent *)event {
switch ([event type]) {
case NSKeyDown:
case NSFlagsChanged:
{
BOOL handeled = NO;
id controller = [[self keyWindow] windowController];

105
src/keybinder.coffee
View File

@@ -1,26 +1,95 @@
_ = require 'underscore'
ace = require 'ace/ace'
canon = require 'pilot/canon'
modifierKeys =
'⇧': 16
shift: 16
alt: 18
option: 18
'⌥': 18
control: 17
ctrl: 17
command: 91
cmd: 91
'⌘': 91
key = require 'keymaster'
namedKeys =
backspace: 8
tab: 9
clear: 12
enter: 13
return: 13
esc: 27
escape: 27
space: 32
left: 37
up: 38
right: 39
down: 40
del: 46
delete: 46
home: 36
end: 35
pageup: 33
pagedown: 34
',': 188
'.': 190
'/': 191
'`': 192
'-': 189
'=': 187
';': 186
'\'': 222
'[': 219
']': 221
'\\': 220
bindings = {}
shortcutParser = (shortcut) ->
keys = shortcut.trim().split '-'
modifiers = []
key = null
for k in keys
k = k.toLowerCase()
if modifierKeys[k]
modifiers.push modifierKeys[k]
else if key
throw "THIS KEYBINDING #{shortcut} specifies TWO keys, we don't handle that yet."
else if namedKeys[k]
key = namedKeys[k]
else if k.length > 1
throw "THIS KEYBINDING #{shortcut} uses an unknown key #{k}."
else
key = k.charCodeAt 0
modifiers.concat(key).sort().join "-"
exports.bindKey = (scope, shortcut, method) ->
key shortcut, ->
if _.isFunction method
method.apply scope
else
if scope[method]
scope[method]()
else
console.error "keymap: no '#{method}' method found"
callback = if _.isFunction method
-> method.apply scope
else if scope[method]
-> scope[method]()
else
console.error "keymap: no '#{method}' method found"
-> console.error "keymap: #{shortcut} failed to bind"
false
callbacks = bindings[shortcutParser shortcut] ?= []
callbacks.push callback
window.handleKeyEvent = (event) ->
false
# if (event.modifierFlags & OSX.NSCommandKeyMask) and event.keyCode == 50
# console.log "Got Cmd-`"
# true
# else
# false
keys = []
keys.push modifierKeys.command if event.modifierFlags & OSX.NSCommandKeyMask
keys.push modifierKeys.shift if event.modifierFlags & OSX.NSShiftKeyMask
keys.push modifierKeys.control if event.modifierFlags & OSX.NSControlKeyMask
keys.push modifierKeys.alt if event.modifierFlags & OSX.NSAlternateKeyMask
keys.push event.charactersIgnoringModifiers.charCodeAt 0
shortcut = keys.sort().join "-"
callbacks = bindings[shortcut]
return false if not callbacks
callback() for callback in callbacks
true

159
vendor/keymaster.js vendored
View File

@@ -1,159 +0,0 @@
// keymaster.js
// (c) 2011 Thomas Fuchs
// keymaster.js may be freely distributed under the MIT license.
;(function(global){
var k,
_handlers = {},
_mods = { 16: false, 18: false, 17: false, 91: false },
_scope = 'all',
// modifier keys
_MODIFIERS = {
'⇧': 16, shift: 16,
option: 18, '⌥': 18, alt: 18,
ctrl: 17, control: 17,
command: 91, '⌘': 91
},
// special keys
_MAP = {
backspace: 8, tab: 9, clear: 12,
enter: 13, 'return': 13,
esc: 27, escape: 27, space: 32,
left: 37, up: 38,
right: 39, down: 40,
del: 46, 'delete': 46,
home: 36, end: 35,
pageup: 33, pagedown: 34,
',': 188, '.': 190, '/': 191,
'`': 192, '-': 189, '=': 187,
';': 186, '\'': 222,
'[': 219, ']': 221, '\\': 220
};
for(k=1;k<20;k++) _MODIFIERS['f'+k] = 111+k;
// IE doesn't support Array#indexOf, so have a simple replacement
function index(array, item){
var i = array.length;
while(i--) if(array[i]===item) return i;
return -1;
}
// handle keydown event
function dispatch(event){
var key, tagName, handler, k, i, modifiersMatch;
tagName = (event.target || event.srcElement).tagName;
key = event.keyCode;
// if a modifier key, set the key.<modifierkeyname> property to true and return
if(key == 93 || key == 224) key = 91; // right command on webkit, command on Gecko
if(key in _mods) {
_mods[key] = true;
// 'assignKey' from inside this closure is exported to window.key
for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = true;
return;
}
// ignore keypressed in any elements that support keyboard data input
// if (tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA') return;
// abort if no potentially matching shortcuts found
if (!(key in _handlers)) return;
// for each potential shortcut
for (i = 0; i < _handlers[key].length; i++) {
handler = _handlers[key][i];
// see if it's in the current scope
if(handler.scope == _scope || handler.scope == 'all'){
// check if modifiers match if any
modifiersMatch = handler.mods.length > 0;
for(k in _mods)
if((!_mods[k] && index(handler.mods, +k) > -1) ||
(_mods[k] && index(handler.mods, +k) == -1)) modifiersMatch = false;
// call the handler and stop the event if neccessary
if((handler.mods.length == 0 && !_mods[16] && !_mods[18] && !_mods[17] && !_mods[91]) || modifiersMatch){
if(handler.method(event, handler)===false){
if(event.preventDefault) event.preventDefault();
else event.returnValue = false;
if(event.stopPropagation) event.stopPropagation();
if(event.cancelBubble) event.cancelBubble = true;
}
}
}
}
};
// unset modifier keys on keyup
function clearModifier(event){
var key = event.keyCode, k;
if(key == 93 || key == 224) key = 91;
if(key in _mods) {
_mods[key] = false;
for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = false;
}
};
// unset modifiers on blur
function clearModifiers(event){
for(k in _MODIFIERS) assignKey[k] = false;
for(i in _mods) _mods[i] = false;
}
// parse and assign shortcut
function assignKey(key, scope, method){
var keys, mods, i, mi;
if (method === undefined) {
method = scope;
scope = 'all';
}
key = key.replace(/\s/g,'');
keys = key.split(',');
if((keys[keys.length-1])=='')
keys[keys.length-2] += ',';
// for each shortcut
for (i = 0; i < keys.length; i++) {
// set modifier keys if any
mods = [];
key = keys[i].split(/-|\+/);
if(key.length > 1){
mods = key.slice(0,key.length-1);
for (mi = 0; mi < mods.length; mi++)
mods[mi] = _MODIFIERS[mods[mi].toLowerCase()];
key = [key[key.length-1]];
}
// convert to keycode and...
key = key[0]
key = _MAP[key] || key.toUpperCase().charCodeAt(0);
// ...store handler
if (!(key in _handlers)) _handlers[key] = [];
_handlers[key].push({ shortcut: keys[i], scope: scope, method: method, key: keys[i], mods: mods });
}
};
// initialize key.<modifier> to false
for(k in _MODIFIERS) assignKey[k] = false;
// set current scope (default 'all')
function setScope(scope){ _scope = scope || 'all' };
// cross-browser events
function addEvent(object, event, method) {
if (object.addEventListener)
object.addEventListener(event, method, false);
else if(object.attachEvent)
object.attachEvent('on'+event, function(){ method(window.event) });
};
// set the handlers globally on document
addEvent(document, 'keydown', dispatch);
addEvent(document, 'keyup', clearModifier);
addEvent(window, 'blur', clearModifiers, true);
// set window.key and window.key.setScope
global.key = assignKey;
global.key.setScope = setScope;
if(typeof module !== 'undefined') module.exports = global.key;
})(this);