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Diffstat (limited to 'webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/event/handler/KeyEventHandler.js')
| -rw-r--r-- | webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/event/handler/KeyEventHandler.js | 725 |
1 files changed, 0 insertions, 725 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/event/handler/KeyEventHandler.js b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/event/handler/KeyEventHandler.js deleted file mode 100644 index 65e3c506c8..0000000000 --- a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/source/class/qx/event/handler/KeyEventHandler.js +++ /dev/null @@ -1,725 +0,0 @@ -/* ************************************************************************ - - qooxdoo - the new era of web development - - http://qooxdoo.org - - Copyright: - 2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org - - License: - LGPL 2.1: http://www.gnu.org/licenses/lgpl.html - - Authors: - * Sebastian Werner (wpbasti) - * Andreas Ecker (ecker) - * Fabian Jakobs (fjakobs) - -************************************************************************ */ - -/* ************************************************************************ - -#module(ui_core) -#require(qx.event.type.KeyEvent) -#require(qx.util.Return); - -************************************************************************ */ - -/** - * This class provides unified key event handler for Internet Explorer, - * Firefox, Opera and Safari - */ -qx.OO.defineClass("qx.event.handler.KeyEventHandler", qx.core.Target, function() -{ - qx.core.Target.call(this); - - // Object Wrapper to Events (Needed for DOM-Events) - var o = this; - - this.__onkeypress = function(e) { o._onkeypress(e); }; - this.__onkeyupdown = function(e) { o._onkeyupdown(e); }; -}); - - - - - - - - -/* ---------------------------------------------------------------------------- - EVENT-MAPPING ---------------------------------------------------------------------------- -*/ - -/** attach the key event handler to the DOM events */ -qx.Proto._attachEvents = function() -{ - var el = qx.sys.Client.getInstance().isGecko() ? window : document.body; - - qx.dom.EventRegistration.addEventListener(el, "keypress", this.__onkeypress); - qx.dom.EventRegistration.addEventListener(el, "keyup", this.__onkeyupdown); - qx.dom.EventRegistration.addEventListener(el, "keydown", this.__onkeyupdown); -}; - -/** detach the key event handler from the DOM events */ -qx.Proto._detachEvents = function() -{ - var el = qx.sys.Client.getInstance().isGecko() ? window : document.body; - - // Unregister dom events - qx.dom.EventRegistration.removeEventListener(el, "keypress", this.__onkeypress); - qx.dom.EventRegistration.removeEventListener(el, "keyup", this.__onkeyupdown); - qx.dom.EventRegistration.removeEventListener(el, "keydown", this.__onkeyupdown); -}; - - - - - - - - -/* ---------------------------------------------------------------------------- - KEY-MAPS ---------------------------------------------------------------------------- -*/ - -/** maps the charcodes of special printable keys to key identifiers */ -qx.Proto._specialCharCodeMap = -{ - 8 : "Backspace", // The Backspace (Back) key. - 9 : "Tab", // The Horizontal Tabulation (Tab) key. - 32 : "Space" // The Space (Spacebar) key. -}; - -/** maps the keycodes of non printable keys to key identifiers */ -qx.Proto._keyCodeToIdentifierMap = -{ - 13 : "Enter", // The Enter key. - // Note: This key identifier is also used for the - // Return (Macintosh numpad) key. - 16 : "Shift", // The Shift key. - 17 : "Control", // The Control (Ctrl) key. - 18 : "Alt", // The Alt (Menu) key. - 20 : "CapsLock", // The CapsLock key - 224 : "Meta", // The Meta key. (Apple Meta and Windows key) - - 27 : "Escape", // The Escape (Esc) key. - - 37 : "Left", // The Left Arrow key. - 38 : "Up", // The Up Arrow key. - 39 : "Right", // The Right Arrow key. - 40 : "Down", // The Down Arrow key. - - 33 : "PageUp", // The Page Up key. - 34 : "PageDown", // The Page Down (Next) key. - - 35 : "End", // The End key. - 36 : "Home", // The Home key. - 45 : "Insert", // The Insert (Ins) key. (Does not fire in Opera/Win) - 46 : "Delete", // The Delete (Del) Key. - - 112 : "F1", // The F1 key. - 113 : "F2", // The F2 key. - 114 : "F3", // The F3 key. - 115 : "F4", // The F4 key. - 116 : "F5", // The F5 key. - 117 : "F6", // The F6 key. - 118 : "F7", // The F7 key. - 119 : "F8", // The F8 key. - 120 : "F9", // The F9 key. - 121 : "F10", // The F10 key. - 122 : "F11", // The F11 key. - 123 : "F12", // The F12 key. - - 144 : "NumLock", // The Num Lock key. - 44 : "PrintScreen", // The Print Screen (PrintScrn, SnapShot) key. - 145 : "Scroll", // The scroll lock key - 19 : "Pause", // The pause/break key - - 91 : "Win", // The Windows Logo key - 93 : "Apps" // The Application key (Windows Context Menu) -}; - -/** maps the keycodes of the numpad keys to the right charcodes */ -qx.Proto._numpadToCharCode = -{ - 96 : "0".charCodeAt(0), - 97 : "1".charCodeAt(0), - 98 : "2".charCodeAt(0), - 99 : "3".charCodeAt(0), - 100 : "4".charCodeAt(0), - 101 : "5".charCodeAt(0), - 102 : "6".charCodeAt(0), - 103 : "7".charCodeAt(0), - 104 : "8".charCodeAt(0), - 105 : "9".charCodeAt(0), - - 106 : "*".charCodeAt(0), - 107 : "+".charCodeAt(0), - 109 : "-".charCodeAt(0), - 110 : ",".charCodeAt(0), - 111 : "/".charCodeAt(0) -}; - - -// construct invers of keyCodeToIdentifierMap -if (!qx.Proto._identifierToKeyCodeMap) -{ - qx.Proto._identifierToKeyCodeMap = {}; - - for (var key in qx.Proto._keyCodeToIdentifierMap) { - qx.Proto._identifierToKeyCodeMap[qx.Proto._keyCodeToIdentifierMap[key]] = parseInt(key); - } - - for (var key in qx.Proto._specialCharCodeMap) { - qx.Proto._identifierToKeyCodeMap[qx.Proto._specialCharCodeMap[key]] = parseInt(key); - } -} - - - - - - - - -/* ---------------------------------------------------------------------------- - HELPER-METHODS ---------------------------------------------------------------------------- -*/ - -qx.Proto._charCodeA = "A".charCodeAt(0); -qx.Proto._charCodeZ = "Z".charCodeAt(0); -qx.Proto._charCode0 = "0".charCodeAt(0); -qx.Proto._charCode9 = "9".charCodeAt(0); - -/** - * Checks wether the keyCode represents a non printable key - * - * @param keyCode (string) - * @return (boolean) - */ -qx.Proto._isNonPrintableKeyCode = function(keyCode) { - return this._keyCodeToIdentifierMap[keyCode] ? true : false; -}; - - -/** - * Check wether the keycode can be reliably detected in keyup/keydown events - * - * @param keyCode (string) - * @return (boolean) - */ -qx.Proto._isIdentifiableKeyCode = function(keyCode) -{ - // A-Z - if (keyCode >= this._charCodeA && keyCode <= this._charCodeZ) { - return true; - } - - // 0-9 - if (keyCode >= this._charCode0 && keyCode <= this._charCode9) { - return true; - } - - // Enter, Space, Tab, Backspace - if (this._specialCharCodeMap[keyCode]) { - return true; - } - - // Numpad - if (this._numpadToCharCode[keyCode]) { - return true; - } - - // non printable keys - if (this._isNonPrintableKeyCode(keyCode)) { - return true; - } - - return false; -}; - - -/** - * Checks wether a given string is a valid keyIdentifier - * - * @param keyIdentifier (string) - * @return (boolean) wether the given string is a valid keyIdentifier - */ -qx.Proto.isValidKeyIdentifier = function(keyIdentifier) -{ - if (this._identifierToKeyCodeMap[keyIdentifier]) { - return true; - } - - if (keyIdentifier.length != 1) { - return false; - } - - if (keyIdentifier >= "0" && keyIdentifier <= "9") { - return true; - } - - if (keyIdentifier >= "A" && keyIdentifier <= "Z") { - return true; - } - - switch (keyIdentifier) - { - case "+": - case "-": - case "*": - case "/": - return true; - - default: - return false; - } -}; - - -/** - * converts a keyboard code to the corresponding identifier - * - * @param keyCode (int) - * @return (string) key identifier - */ -qx.Proto._keyCodeToIdentifier = function(keyCode) -{ - if (this._isIdentifiableKeyCode(keyCode)) - { - var numPadKeyCode = this._numpadToCharCode[keyCode]; - if (numPadKeyCode) { - return String.fromCharCode(numPadKeyCode); - } - - return ( - this._keyCodeToIdentifierMap[keyCode] || - this._specialCharCodeMap[keyCode] || - String.fromCharCode(keyCode) - ); - } - else - { - return "Unidentified"; - } -}; - - -/** - * converts a character code to the corresponding identifier - * - * @param charCode (string) - * @return (string) key identifier - */ -qx.Proto._charCodeToIdentifier = function(charCode) { - return this._specialCharCodeMap[charCode] || String.fromCharCode(charCode).toUpperCase(); -}; - - -/** - * converts a key identifier back to a keycode - * - * @param keyIdentifier (string) - * @return (int) keyboard code - */ -qx.Proto._identifierToKeyCode = function(keyIdentifier) { - return this._identifierToKeyCodeMap[keyIdentifier] || keyIdentifier.charCodeAt(0); -}; - - - - - - -/* ---------------------------------------------------------------------------- - COMPATIBILITY TO COMMAND ---------------------------------------------------------------------------- -*/ - -qx.Proto._oldKeyNameToKeyIdentifierMap = -{ - // all other keys are converted by converting the first letter to uppercase - - esc : "Escape", - ctrl : "Control", - print : "PrintScreen", - del : "Delete", - pageup : "PageUp", - pagedown : "PageDown", - numlock : "NumLock", - numpad_0 : "0", - numpad_1 : "1", - numpad_2 : "2", - numpad_3 : "3", - numpad_4 : "4", - numpad_5 : "5", - numpad_6 : "6", - numpad_7 : "7", - numpad_8 : "8", - numpad_9 : "9", - numpad_divide : "/", - numpad_multiply : "*", - numpad_minus : "-", - numpad_plus : "+" -}; - - -/** - * converts an old key name as found in @see(qx.event.type.KeyEvent.keys) to - * the new keyIdentifier. - * - * @param keyName (string) old name of the key. - * @return (string) corresponding keyIdentifier or "Unidentified" if a conversion was not possible - */ -qx.Proto.oldKeyNameToKeyIdentifier = function(keyName) -{ - var keyIdentifier = "Unidentified"; - - if (this.isValidKeyIdentifier(keyName)) { - return keyName; - } - - if (keyName.length == 1 && keyName >= "a" && keyName <= "z") { - return keyName.toUpperCase(); - } - - keyName = keyName.toLowerCase(); - - // check wether its a valid old key name - if (!qx.event.type.KeyEvent.keys[keyName]) { - return "Unidentified"; - } - - var keyIdentifier = this._oldKeyNameToKeyIdentifierMap[keyName]; - if (keyIdentifier) { - return keyIdentifier; - } else { - return qx.lang.String.toFirstUp(keyName); - } -}; - - - - - - - - - -/* ---------------------------------------------------------------------------- - IDEALIZED-KEY-HANDLER ---------------------------------------------------------------------------- -*/ - -/** - * Key handler for an idealized browser. - * Runs after the browser specific key handlers have normalized the key events. - * - * @param keyCode (string) keyboard code - * @param charCode (string) character code - * @param eventType (string) type of the event (keydown, keypress, keyup) - * @param domEvent (Element) DomEvent - */ -qx.Proto._idealKeyHandler = function(keyCode, charCode, eventType, domEvent) -{ - if (!keyCode && !charCode) { - return; - } - - var keyIdentifier; - - // Use: keyCode - if (keyCode) - { - keyIdentifier = this._keyCodeToIdentifier(keyCode); - - if (keyIdentifier != "Unidentified") { - qx.event.handler.EventHandler.getInstance()._onkeyevent_post(domEvent, eventType, keyCode, charCode, keyIdentifier); - } - } - - // Use: charCode - else - { - keyIdentifier = this._charCodeToIdentifier(charCode); - - if (keyIdentifier != "Unidentified") - { - qx.event.handler.EventHandler.getInstance()._onkeyevent_post(domEvent, "keypress", keyCode, charCode, keyIdentifier); - qx.event.handler.EventHandler.getInstance()._onkeyevent_post(domEvent, "keyinput", keyCode, charCode, keyIdentifier); - } - } -}; - - - - - - - - - -/* ---------------------------------------------------------------------------- - BROWSER-SPECIFIC-KEY-HANDLER: MSHTML ---------------------------------------------------------------------------- -*/ - -if (qx.sys.Client.getInstance().isMshtml()) -{ - qx.Proto._lastUpDownType = {}; - - qx.Proto._charCode2KeyCode = - { - 13 : 13, - 27 : 27 - }; - - qx.Proto._onkeyupdown = function(domEvent) - { - domEvent = window.event || domEvent; - - var keyCode = domEvent.keyCode; - var charcode = 0; - var type = domEvent.type; - - // Ignore the down in such sequences dp dp dp - if (!(this._lastUpDownType[keyCode] == "keydown" && type == "keydown")) { - this._idealKeyHandler(keyCode, charcode, type, domEvent); - } - - // On non print-able character be sure to add a keypress event - if (this._isNonPrintableKeyCode(keyCode) && type == "keydown") { - this._idealKeyHandler(keyCode, charcode, "keypress", domEvent); - } - - // Store last type - this._lastUpDownType[keyCode] = type; - }; - - qx.Proto._onkeypress = function(domEvent) - { - domEvent = window.event || domEvent; - - if (this._charCode2KeyCode[domEvent.keyCode]) { - this._idealKeyHandler(this._charCode2KeyCode[domEvent.keyCode], 0, domEvent.type, domEvent); - } else { - this._idealKeyHandler(0, domEvent.keyCode, domEvent.type, domEvent); - } - }; -} - - - - - - -/* ---------------------------------------------------------------------------- - BROWSER-SPECIFIC-KEY-HANDLER: GECKO ---------------------------------------------------------------------------- -*/ - -else if (qx.sys.Client.getInstance().isGecko()) -{ - qx.Proto._lastUpDownType = {}; - - qx.Proto._keyCodeFix = { - 12 : qx.Proto._identifierToKeyCode("NumLock") - }; - - /** - * key handler for Gecko - * - * @param domEvent (Element) DomEvent - */ - qx.Proto._onkeyupdown = qx.Proto._onkeypress = function(domEvent) - { - var keyCode = this._keyCodeFix[domEvent.keyCode] || domEvent.keyCode; - var charCode = domEvent.charCode; - var type = domEvent.type; - - // FF repeats under windows keydown events like IE - if (qx.sys.Client.getInstance().runsOnWindows()) - { - var keyIdentifier = keyCode ? this._keyCodeToIdentifier(keyCode) : this._charCodeToIdentifier(charCode) - - if (!(this._lastUpDownType[keyIdentifier] == "keypress" && type == "keydown")) { - this._idealKeyHandler(keyCode, charCode, type, domEvent); - } - - // Store last type - this._lastUpDownType[keyIdentifier] = type; - } - - // all other OSes - else - { - this._idealKeyHandler(keyCode, charCode, type, domEvent); - } - }; -} - - - - - - -/* ---------------------------------------------------------------------------- - BROWSER-SPECIFIC-KEY-HANDLER: WEBKIT ---------------------------------------------------------------------------- -*/ - -else if (qx.sys.Client.getInstance().isWebkit()) -{ - qx.Proto._charCode2KeyCode = - { - // Safari/Webkit Mappings - 63289 : qx.Proto._identifierToKeyCode("NumLock"), - 63276 : qx.Proto._identifierToKeyCode("PageUp"), - 63277 : qx.Proto._identifierToKeyCode("PageDown"), - 63275 : qx.Proto._identifierToKeyCode("End"), - 63273 : qx.Proto._identifierToKeyCode("Home"), - 63234 : qx.Proto._identifierToKeyCode("Left"), - 63232 : qx.Proto._identifierToKeyCode("Up"), - 63235 : qx.Proto._identifierToKeyCode("Right"), - 63233 : qx.Proto._identifierToKeyCode("Down"), - 63272 : qx.Proto._identifierToKeyCode("Delete"), - 63302 : qx.Proto._identifierToKeyCode("Insert"), - 63236 : qx.Proto._identifierToKeyCode("F1"), - 63237 : qx.Proto._identifierToKeyCode("F2"), - 63238 : qx.Proto._identifierToKeyCode("F3"), - 63239 : qx.Proto._identifierToKeyCode("F4"), - 63240 : qx.Proto._identifierToKeyCode("F5"), - 63241 : qx.Proto._identifierToKeyCode("F6"), - 63242 : qx.Proto._identifierToKeyCode("F7"), - 63243 : qx.Proto._identifierToKeyCode("F8"), - 63244 : qx.Proto._identifierToKeyCode("F9"), - 63245 : qx.Proto._identifierToKeyCode("F10"), - 63246 : qx.Proto._identifierToKeyCode("F11"), - 63247 : qx.Proto._identifierToKeyCode("F12"), - 63248 : qx.Proto._identifierToKeyCode("PrintScreen"), - - 3 : qx.Proto._identifierToKeyCode("Enter"), - 12 : qx.Proto._identifierToKeyCode("NumLock"), - 13 : qx.Proto._identifierToKeyCode("Enter") - }; - - qx.Proto._onkeyupdown = qx.Proto._onkeypress = function(domEvent) - { - var keyCode = 0; - var charCode = 0; - var type = domEvent.type; - - // prevent Safari from sending key signals twice - // This bug is fixed in recent Webkit builds so we need a revision check - // see http://trac.mochikit.com/ticket/182 for details - if (qx.sys.Client.getInstance().getVersion() < 420) - { - if (!this._lastCharCodeForType) { - this._lastCharCodeForType = {}; - } - - var isSafariSpecialKey = this._lastCharCodeForType[type] > 63000; - - if (isSafariSpecialKey) { - this._lastCharCodeForType[type] = null; - return; - } - - this._lastCharCodeForType[type] = domEvent.charCode; - } - - if (type == "keyup" || type == "keydown") { - keyCode = this._charCode2KeyCode[domEvent.charCode] || domEvent.keyCode; - } - else - { - if (this._charCode2KeyCode[domEvent.charCode]) { - keyCode = this._charCode2KeyCode[domEvent.charCode]; - } else { - charCode = domEvent.charCode; - } - } - - this._idealKeyHandler(keyCode, charCode, type, domEvent); - }; -} - - - - - -/* ---------------------------------------------------------------------------- - BROWSER-SPECIFIC-KEY-HANDLER: OPERA ---------------------------------------------------------------------------- -*/ - -else if (qx.sys.Client.getInstance().isOpera()) -{ - qx.Proto._onkeyupdown = function(domEvent) { - this._idealKeyHandler(domEvent.keyCode, 0, domEvent.type, domEvent); - }; - - qx.Proto._onkeypress = function(domEvent) - { - if (this._keyCodeToIdentifierMap[domEvent.keyCode]) { - this._idealKeyHandler(domEvent.keyCode, 0, domEvent.type, domEvent); - } else { - this._idealKeyHandler(0, domEvent.keyCode, domEvent.type, domEvent); - } - }; -} - - - - - - -/* ---------------------------------------------------------------------------- - DISPOSE ---------------------------------------------------------------------------- -*/ - -/** - * Destructor - */ -qx.Proto.dispose = function() -{ - if (this.getDisposed()) { - return; - } - - // Detach keyboard events - this._detachEvents(); - - return qx.core.Target.prototype.dispose.call(this); -}; - - - - - - -/* ---------------------------------------------------------------------------- - DEFER SINGLETON INSTANCE ---------------------------------------------------------------------------- -*/ - -/** - * Singleton Instance Getter - */ -qx.Class.getInstance = qx.util.Return.returnInstance; |