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13 | (function(jQuery){
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14 |
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15 | jQuery.hotkeys = {
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16 | version: "0.8",
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17 |
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18 | specialKeys: {
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19 | 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
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20 | 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
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21 | 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del",
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22 | 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
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23 | 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
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24 | 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
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25 | 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
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26 | },
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27 |
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28 | shiftNums: {
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29 | "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
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30 | "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
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31 | ".": ">", "/": "?", "\\": "|"
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32 | }
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33 | };
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34 |
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35 | function keyHandler( handleObj ) {
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36 |
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37 | if ( typeof handleObj.data !== "string" ) {
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38 | return;
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39 | }
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40 |
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41 | var origHandler = handleObj.handler,
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42 | keys = handleObj.data.toLowerCase().split(" ");
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43 |
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44 | handleObj.handler = function( event ) {
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45 |
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46 | if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
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47 | event.target.type === "text") ) {
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48 | return;
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49 | }
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50 |
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51 |
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52 | var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
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53 | character = String.fromCharCode( event.which ).toLowerCase(),
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54 | key, modif = "", possible = {};
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55 |
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56 |
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57 | if ( event.altKey && special !== "alt" ) {
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58 | modif += "alt+";
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59 | }
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60 |
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61 | if ( event.ctrlKey && special !== "ctrl" ) {
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62 | modif += "ctrl+";
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63 | }
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64 |
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65 |
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66 | if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
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67 | modif += "meta+";
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68 | }
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69 |
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70 | if ( event.shiftKey && special !== "shift" ) {
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71 | modif += "shift+";
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72 | }
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73 |
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74 | if ( special ) {
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75 | possible[ modif + special ] = true;
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76 |
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77 | } else {
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78 | possible[ modif + character ] = true;
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79 | possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
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80 |
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81 |
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82 | if ( modif === "shift+" ) {
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83 | possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
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84 | }
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85 | }
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86 |
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87 | for ( var i = 0, l = keys.length; i < l; i++ ) {
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88 | if ( possible[ keys[i] ] ) {
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89 | return origHandler.apply( this, arguments );
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90 | }
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91 | }
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92 | };
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93 | }
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94 |
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95 | jQuery.each([ "keydown", "keyup", "keypress" ], function() {
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96 | jQuery.event.special[ this ] = { add: keyHandler };
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97 | });
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98 |
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99 | })( jQuery );
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