https://shitucompany.cn/vendors/bower_components/bootstrap-wysiwyg/external/jquery.hotkeys.js

1/*
2 * jQuery Hotkeys Plugin
3 * Copyright 2010, John Resig
4 * Dual licensed under the MIT or GPL Version 2 licenses.
5 *
6 * Based upon the plugin by Tzury Bar Yochay:
7 * http://github.com/tzuryby/hotkeys
8 *
9 * Original idea by:
10 * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
11*/
12
13(function(jQuery){
14	
15	jQuery.hotkeys = {
16		version: "0.8",
17
18		specialKeys: {
19			8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
20			20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
21			37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 
22			96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
23			104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/", 
24			112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 
25			120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
26		},
27	
28		shiftNums: {
29			"`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", 
30			"8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<", 
31			".": ">",  "/": "?",  "\\": "|"
32		}
33	};
34
35	function keyHandler( handleObj ) {
36		// Only care when a possible input has been specified
37		if ( typeof handleObj.data !== "string" ) {
38			return;
39		}
40		
41		var origHandler = handleObj.handler,
42			keys = handleObj.data.toLowerCase().split(" "),
43			textAcceptingInputTypes = ["text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime", "datetime-local", "search", "color"];
44	
45		handleObj.handler = function( event ) {
46			// Don't fire in text-accepting inputs that we didn't directly bind to
47			if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
48				jQuery.inArray(event.target.type, textAcceptingInputTypes) > -1 ) ) {
49				return;
50			}
51			
52			// Keypress represents characters, not special keys
53			var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
54				character = String.fromCharCode( event.which ).toLowerCase(),
55				key, modif = "", possible = {};
56
57			// check combinations (alt|ctrl|shift+anything)
58			if ( event.altKey && special !== "alt" ) {
59				modif += "alt+";
60			}
61
62			if ( event.ctrlKey && special !== "ctrl" ) {
63				modif += "ctrl+";
64			}
65			
66			// TODO: Need to make sure this works consistently across platforms
67			if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
68				modif += "meta+";
69			}
70
71			if ( event.shiftKey && special !== "shift" ) {
72				modif += "shift+";
73			}
74
75			if ( special ) {
76				possible[ modif + special ] = true;
77
78			} else {
79				possible[ modif + character ] = true;
80				possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
81
82				// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
83				if ( modif === "shift+" ) {
84					possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
85				}
86			}
87
88			for ( var i = 0, l = keys.length; i < l; i++ ) {
89				if ( possible[ keys[i] ] ) {
90					return origHandler.apply( this, arguments );
91				}
92			}
93		};
94	}
95
96	jQuery.each([ "keydown", "keyup", "keypress" ], function() {
97		jQuery.event.special[ this ] = { add: keyHandler };
98	});
99
100})( jQuery );