зеркало из https://github.com/mozilla/gecko-dev.git
233 строки
8.8 KiB
XML
233 строки
8.8 KiB
XML
<?xml version="1.0"?>
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<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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<bindings id="buttonBindings"
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xmlns="http://www.mozilla.org/xbl"
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xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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xmlns:xbl="http://www.mozilla.org/xbl">
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<binding id="button-base" extends="chrome://global/content/bindings/general.xml#basetext">
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<implementation implements="nsIDOMXULButtonElement">
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<property name="type"
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onget="return this.getAttribute('type');"
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onset="this.setAttribute('type', val); return val;"/>
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<property name="dlgType"
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onget="return this.getAttribute('dlgtype');"
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onset="this.setAttribute('dlgtype', val); return val;"/>
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<property name="group"
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onget="return this.getAttribute('group');"
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onset="this.setAttribute('group', val); return val;"/>
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<property name="open" onget="return this.hasAttribute('open');">
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<setter><![CDATA[
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if (this.hasMenu()) {
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this.openMenu(val);
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} else if (val) {
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// Fall back to just setting the attribute
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this.setAttribute("open", "true");
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} else {
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this.removeAttribute("open");
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}
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return val;
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]]></setter>
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</property>
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<property name="checked" onget="return this.hasAttribute('checked');">
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<setter><![CDATA[
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if (this.type == "radio" && val) {
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var sibs = this.parentNode.getElementsByAttribute("group", this.group);
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for (var i = 0; i < sibs.length; ++i)
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sibs[i].removeAttribute("checked");
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}
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if (val)
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this.setAttribute("checked", "true");
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else
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this.removeAttribute("checked");
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return val;
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]]></setter>
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</property>
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<method name ="filterButtons">
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<parameter name="node"/>
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<body>
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<![CDATA[
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// if the node isn't visible, don't descend into it.
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var cs = node.ownerGlobal.getComputedStyle(node);
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if (cs.visibility != "visible" || cs.display == "none") {
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return NodeFilter.FILTER_REJECT;
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}
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// but it may be a popup element, in which case we look at "state"...
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if (cs.display == "-moz-popup" && node.state != "open") {
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return NodeFilter.FILTER_REJECT;
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}
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// OK - the node seems visible, so it is a candidate.
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if (node.localName == "button" && node.accessKey && !node.disabled)
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return NodeFilter.FILTER_ACCEPT;
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return NodeFilter.FILTER_SKIP;
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]]>
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</body>
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</method>
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<method name="fireAccessKeyButton">
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<parameter name="aSubtree"/>
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<parameter name="aAccessKeyLower"/>
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<body>
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<![CDATA[
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var iterator = aSubtree.ownerDocument.createTreeWalker(aSubtree,
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NodeFilter.SHOW_ELEMENT,
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this.filterButtons);
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while (iterator.nextNode()) {
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var test = iterator.currentNode;
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if (test.accessKey.toLowerCase() == aAccessKeyLower &&
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!test.disabled && !test.collapsed && !test.hidden) {
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test.focus();
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test.click();
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return true;
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}
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}
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return false;
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]]>
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</body>
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</method>
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<method name="_handleClick">
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<body>
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<![CDATA[
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if (!this.disabled) {
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if (this.type == "checkbox") {
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this.checked = !this.checked;
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} else if (this.type == "radio") {
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this.checked = true;
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}
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}
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]]>
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</body>
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</method>
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</implementation>
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<handlers>
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<!-- While it would seem we could do this by handling oncommand, we can't
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because any external oncommand handlers might get called before ours,
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and then they would see the incorrect value of checked. Additionally
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a command attribute would redirect the command events anyway.-->
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<handler event="click" button="0" action="this._handleClick();"/>
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<handler event="keypress" key=" ">
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<![CDATA[
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this._handleClick();
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// Prevent page from scrolling on the space key.
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event.preventDefault();
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]]>
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</handler>
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<handler event="keypress">
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<![CDATA[
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if (this.hasMenu()) {
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if (this.open)
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return;
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} else {
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if (event.keyCode == KeyEvent.DOM_VK_UP ||
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(event.keyCode == KeyEvent.DOM_VK_LEFT &&
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document.defaultView.getComputedStyle(this.parentNode)
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.direction == "ltr") ||
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(event.keyCode == KeyEvent.DOM_VK_RIGHT &&
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document.defaultView.getComputedStyle(this.parentNode)
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.direction == "rtl")) {
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event.preventDefault();
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window.document.commandDispatcher.rewindFocus();
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return;
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}
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if (event.keyCode == KeyEvent.DOM_VK_DOWN ||
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(event.keyCode == KeyEvent.DOM_VK_RIGHT &&
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document.defaultView.getComputedStyle(this.parentNode)
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.direction == "ltr") ||
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(event.keyCode == KeyEvent.DOM_VK_LEFT &&
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document.defaultView.getComputedStyle(this.parentNode)
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.direction == "rtl")) {
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event.preventDefault();
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window.document.commandDispatcher.advanceFocus();
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return;
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}
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}
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if (event.keyCode || event.charCode <= 32 || event.altKey ||
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event.ctrlKey || event.metaKey)
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return; // No printable char pressed, not a potential accesskey
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// Possible accesskey pressed
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var charPressedLower = String.fromCharCode(event.charCode).toLowerCase();
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// If the accesskey of the current button is pressed, just activate it
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if (this.accessKey.toLowerCase() == charPressedLower) {
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this.click();
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return;
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}
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// Search for accesskey in the list of buttons for this doc and each subdoc
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// Get the buttons for the main document and all sub-frames
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for (var frameCount = -1; frameCount < window.top.frames.length; frameCount++) {
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var doc = (frameCount == -1) ? window.top.document :
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window.top.frames[frameCount].document;
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if (this.fireAccessKeyButton(doc.documentElement, charPressedLower))
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return;
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}
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// Test anonymous buttons
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var dlg = window.top.document;
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var buttonBox = dlg.getAnonymousElementByAttribute(dlg.documentElement,
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"anonid", "buttons");
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if (buttonBox)
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this.fireAccessKeyButton(buttonBox, charPressedLower);
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]]>
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</handler>
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</handlers>
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</binding>
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<binding id="button" display="xul:button"
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extends="chrome://global/content/bindings/button.xml#button-base">
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<content>
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<children includes="observes|template|menupopup|panel|tooltip"/>
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<xul:hbox class="box-inherit button-box" xbl:inherits="align,dir,pack,orient"
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align="center" pack="center" flex="1" anonid="button-box">
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<xul:image class="button-icon" xbl:inherits="src=image"/>
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<xul:label class="button-text" xbl:inherits="value=label,accesskey,crop,highlightable"/>
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<xul:label class="button-highlightable-text" xbl:inherits="xbl:text=label,accesskey,crop,highlightable"/>
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</xul:hbox>
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</content>
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</binding>
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<binding id="menu" display="xul:menu"
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extends="chrome://global/content/bindings/button.xml#button">
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<content>
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<children includes="observes|template|menupopup|panel|tooltip"/>
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<xul:hbox class="box-inherit button-box" xbl:inherits="align,dir,pack,orient"
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align="center" pack="center" flex="1">
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<xul:hbox class="box-inherit" xbl:inherits="align,dir,pack,orient"
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align="center" pack="center" flex="1">
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<xul:image class="button-icon" xbl:inherits="src=image"/>
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<xul:label class="button-text" xbl:inherits="value=label,accesskey,crop"/>
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</xul:hbox>
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<xul:dropmarker class="button-menu-dropmarker" xbl:inherits="open,disabled,label"/>
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</xul:hbox>
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</content>
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<handlers>
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<handler event="keypress" keycode="VK_RETURN" action="this.open = true;"/>
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<handler event="keypress" key=" ">
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<![CDATA[
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this.open = true;
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// Prevent page from scrolling on the space key.
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event.preventDefault();
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]]>
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</handler>
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</handlers>
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</binding>
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</bindings>
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