mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-24 20:52:54 +08:00
100 lines
3.0 KiB
JavaScript
100 lines
3.0 KiB
JavaScript
/*
|
|
* jQuery Hotkeys Plugin
|
|
* Copyright 2010, John Resig
|
|
* Dual licensed under the MIT or GPL Version 2 licenses.
|
|
*
|
|
* Based upon the plugin by Tzury Bar Yochay:
|
|
* http://github.com/tzuryby/hotkeys
|
|
*
|
|
* Original idea by:
|
|
* Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
|
|
*/
|
|
|
|
(function(jQuery){
|
|
|
|
jQuery.hotkeys = {
|
|
version: "0.8",
|
|
|
|
specialKeys: {
|
|
8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
|
|
20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
|
|
37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del",
|
|
96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
|
|
104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
|
|
112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
|
|
120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
|
|
},
|
|
|
|
shiftNums: {
|
|
"`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
|
|
"8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
|
|
".": ">", "/": "?", "\\": "|"
|
|
}
|
|
};
|
|
|
|
function keyHandler( handleObj ) {
|
|
// Only care when a possible input has been specified
|
|
if ( typeof handleObj.data !== "string" ) {
|
|
return;
|
|
}
|
|
|
|
var origHandler = handleObj.handler,
|
|
keys = handleObj.data.toLowerCase().split(" ");
|
|
|
|
handleObj.handler = function( event ) {
|
|
// Don't fire in text-accepting inputs that we didn't directly bind to
|
|
if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
|
|
event.target.type === "text") ) {
|
|
return;
|
|
}
|
|
|
|
// Keypress represents characters, not special keys
|
|
var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
|
|
character = String.fromCharCode( event.which ).toLowerCase(),
|
|
key, modif = "", possible = {};
|
|
|
|
// check combinations (alt|ctrl|shift+anything)
|
|
if ( event.altKey && special !== "alt" ) {
|
|
modif += "alt+";
|
|
}
|
|
|
|
if ( event.ctrlKey && special !== "ctrl" ) {
|
|
modif += "ctrl+";
|
|
}
|
|
|
|
// TODO: Need to make sure this works consistently across platforms
|
|
if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
|
|
modif += "meta+";
|
|
}
|
|
|
|
if ( event.shiftKey && special !== "shift" ) {
|
|
modif += "shift+";
|
|
}
|
|
|
|
if ( special ) {
|
|
possible[ modif + special ] = true;
|
|
|
|
} else {
|
|
possible[ modif + character ] = true;
|
|
possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
|
|
|
|
// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
|
|
if ( modif === "shift+" ) {
|
|
possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
|
|
}
|
|
}
|
|
|
|
for ( var i = 0, l = keys.length; i < l; i++ ) {
|
|
if ( possible[ keys[i] ] ) {
|
|
return origHandler.apply( this, arguments );
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
jQuery.each([ "keydown", "keyup", "keypress" ], function() {
|
|
jQuery.event.special[ this ] = { add: keyHandler };
|
|
});
|
|
|
|
})( jQuery );
|