1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2009 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 15 * its contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /** 31 * @constructor 32 */ 33 WebInspector.KeyboardShortcut = function() 34 { 35 } 36 37 /** 38 * Constants for encoding modifier key set as a bit mask. 39 * @see #_makeKeyFromCodeAndModifiers 40 */ 41 WebInspector.KeyboardShortcut.Modifiers = { 42 None: 0, // Constant for empty modifiers set. 43 Shift: 1, 44 Ctrl: 2, 45 Alt: 4, 46 Meta: 8, // Command key on Mac, Win key on other platforms. 47 get CtrlOrMeta() 48 { 49 // "default" command/ctrl key for platform, Command on Mac, Ctrl on other platforms 50 return WebInspector.isMac() ? this.Meta : this.Ctrl; 51 } 52 }; 53 54 /** @typedef {{code: number, name: (string|Object.<string, string>)}} */ 55 WebInspector.KeyboardShortcut.Key; 56 57 /** @type {!Object.<string, !WebInspector.KeyboardShortcut.Key>} */ 58 WebInspector.KeyboardShortcut.Keys = { 59 Backspace: { code: 8, name: "\u21a4" }, 60 Tab: { code: 9, name: { mac: "\u21e5", other: "Tab" } }, 61 Enter: { code: 13, name: { mac: "\u21a9", other: "Enter" } }, 62 Esc: { code: 27, name: { mac: "\u238b", other: "Esc" } }, 63 Space: { code: 32, name: "Space" }, 64 PageUp: { code: 33, name: { mac: "\u21de", other: "PageUp" } }, // also NUM_NORTH_EAST 65 PageDown: { code: 34, name: { mac: "\u21df", other: "PageDown" } }, // also NUM_SOUTH_EAST 66 End: { code: 35, name: { mac: "\u2197", other: "End" } }, // also NUM_SOUTH_WEST 67 Home: { code: 36, name: { mac: "\u2196", other: "Home" } }, // also NUM_NORTH_WEST 68 Left: { code: 37, name: "\u2190" }, // also NUM_WEST 69 Up: { code: 38, name: "\u2191" }, // also NUM_NORTH 70 Right: { code: 39, name: "\u2192" }, // also NUM_EAST 71 Down: { code: 40, name: "\u2193" }, // also NUM_SOUTH 72 Delete: { code: 46, name: "Del" }, 73 Zero: { code: 48, name: "0" }, 74 F1: { code: 112, name: "F1" }, 75 F2: { code: 113, name: "F2" }, 76 F3: { code: 114, name: "F3" }, 77 F4: { code: 115, name: "F4" }, 78 F5: { code: 116, name: "F5" }, 79 F6: { code: 117, name: "F6" }, 80 F7: { code: 118, name: "F7" }, 81 F8: { code: 119, name: "F8" }, 82 F9: { code: 120, name: "F9" }, 83 F10: { code: 121, name: "F10" }, 84 F11: { code: 122, name: "F11" }, 85 F12: { code: 123, name: "F12" }, 86 Semicolon: { code: 186, name: ";" }, 87 Plus: { code: 187, name: "+" }, 88 Comma: { code: 188, name: "," }, 89 Minus: { code: 189, name: "-" }, 90 Period: { code: 190, name: "." }, 91 Slash: { code: 191, name: "/" }, 92 Apostrophe: { code: 192, name: "`" }, 93 SingleQuote: { code: 222, name: "\'" }, 94 H: { code: 72, name: "H" }, 95 Ctrl: { code: 17, name: "Ctrl" }, 96 Meta: { code: 91, name: "Meta" }, 97 }; 98 99 /** 100 * Creates a number encoding keyCode in the lower 8 bits and modifiers mask in the higher 8 bits. 101 * It is useful for matching pressed keys. 102 * 103 * @param {number|string} keyCode The Code of the key, or a character "a-z" which is converted to a keyCode value. 104 * @param {number=} modifiers Optional list of modifiers passed as additional paramerters. 105 * @return {number} 106 */ 107 WebInspector.KeyboardShortcut.makeKey = function(keyCode, modifiers) 108 { 109 if (typeof keyCode === "string") 110 keyCode = keyCode.charCodeAt(0) - 32; 111 modifiers = modifiers || WebInspector.KeyboardShortcut.Modifiers.None; 112 return WebInspector.KeyboardShortcut._makeKeyFromCodeAndModifiers(keyCode, modifiers); 113 } 114 115 /** 116 * @param {KeyboardEvent} keyboardEvent 117 * @return {number} 118 */ 119 WebInspector.KeyboardShortcut.makeKeyFromEvent = function(keyboardEvent) 120 { 121 var modifiers = WebInspector.KeyboardShortcut.Modifiers.None; 122 if (keyboardEvent.shiftKey) 123 modifiers |= WebInspector.KeyboardShortcut.Modifiers.Shift; 124 if (keyboardEvent.ctrlKey) 125 modifiers |= WebInspector.KeyboardShortcut.Modifiers.Ctrl; 126 if (keyboardEvent.altKey) 127 modifiers |= WebInspector.KeyboardShortcut.Modifiers.Alt; 128 if (keyboardEvent.metaKey) 129 modifiers |= WebInspector.KeyboardShortcut.Modifiers.Meta; 130 return WebInspector.KeyboardShortcut._makeKeyFromCodeAndModifiers(keyboardEvent.keyCode, modifiers); 131 } 132 133 /** 134 * @param {KeyboardEvent} event 135 * @return {boolean} 136 */ 137 WebInspector.KeyboardShortcut.eventHasCtrlOrMeta = function(event) 138 { 139 return WebInspector.isMac() ? event.metaKey && !event.ctrlKey : event.ctrlKey && !event.metaKey; 140 } 141 142 /** 143 * @param {Event} event 144 * @return {boolean} 145 */ 146 WebInspector.KeyboardShortcut.hasNoModifiers = function(event) 147 { 148 return !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey; 149 } 150 151 /** @typedef {{key: number, name: string}} */ 152 WebInspector.KeyboardShortcut.Descriptor; 153 154 /** 155 * @param {string|WebInspector.KeyboardShortcut.Key} key 156 * @param {number=} modifiers 157 * @return {WebInspector.KeyboardShortcut.Descriptor} 158 */ 159 WebInspector.KeyboardShortcut.makeDescriptor = function(key, modifiers) 160 { 161 return { 162 key: WebInspector.KeyboardShortcut.makeKey(typeof key === "string" ? key : key.code, modifiers), 163 name: WebInspector.KeyboardShortcut.shortcutToString(key, modifiers) 164 }; 165 } 166 167 /** 168 * @param {string|WebInspector.KeyboardShortcut.Key} key 169 * @param {number=} modifiers 170 * @return {string} 171 */ 172 WebInspector.KeyboardShortcut.shortcutToString = function(key, modifiers) 173 { 174 return WebInspector.KeyboardShortcut._modifiersToString(modifiers) + WebInspector.KeyboardShortcut._keyName(key); 175 } 176 177 /** 178 * @param {string|WebInspector.KeyboardShortcut.Key} key 179 * @return {string} 180 */ 181 WebInspector.KeyboardShortcut._keyName = function(key) 182 { 183 if (typeof key === "string") 184 return key.toUpperCase(); 185 if (typeof key.name === "string") 186 return key.name; 187 return key.name[WebInspector.platform()] || key.name.other || ''; 188 } 189 190 /** 191 * @param {number} keyCode 192 * @param {?number} modifiers 193 * @return {number} 194 */ 195 WebInspector.KeyboardShortcut._makeKeyFromCodeAndModifiers = function(keyCode, modifiers) 196 { 197 return (keyCode & 255) | (modifiers << 8); 198 }; 199 200 /** 201 * @param {number|undefined} modifiers 202 * @return {string} 203 */ 204 WebInspector.KeyboardShortcut._modifiersToString = function(modifiers) 205 { 206 const cmdKey = "\u2318"; 207 const optKey = "\u2325"; 208 const shiftKey = "\u21e7"; 209 const ctrlKey = "\u2303"; 210 211 var isMac = WebInspector.isMac(); 212 var res = ""; 213 if (modifiers & WebInspector.KeyboardShortcut.Modifiers.Ctrl) 214 res += isMac ? ctrlKey : "Ctrl + "; 215 if (modifiers & WebInspector.KeyboardShortcut.Modifiers.Alt) 216 res += isMac ? optKey : "Alt + "; 217 if (modifiers & WebInspector.KeyboardShortcut.Modifiers.Shift) 218 res += isMac ? shiftKey : "Shift + "; 219 if (modifiers & WebInspector.KeyboardShortcut.Modifiers.Meta) 220 res += isMac ? cmdKey : "Win + "; 221 222 return res; 223 }; 224 225 WebInspector.KeyboardShortcut.SelectAll = WebInspector.KeyboardShortcut.makeKey("a", WebInspector.KeyboardShortcut.Modifiers.CtrlOrMeta); 226
