1 /* 2 * Copyright (C) 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "core/html/HTMLSelectElement.h" 28 29 #if OS(WINDOWS) 30 31 #include "core/dom/Element.h" 32 #include "core/dom/KeyboardEvent.h" 33 #include "core/rendering/RenderMenuList.h" 34 35 namespace WebCore { 36 37 bool HTMLSelectElement::platformHandleKeydownEvent(KeyboardEvent* event) 38 { 39 // Allow (Shift) F4 and (Ctrl/Shift) Alt/AltGr + Up/Down arrow to pop the menu, matching Firefox. 40 bool eventShowsMenu = (!event->altKey() && !event->ctrlKey() && event->keyIdentifier() == "F4") 41 || ((event->altGraphKey() || event->altKey()) && (event->keyIdentifier() == "Down" || event->keyIdentifier() == "Up")); 42 if (!eventShowsMenu) 43 return false; 44 45 // Save the selection so it can be compared to the new selection when dispatching change events during setSelectedIndex, 46 // which gets called from RenderMenuList::valueChanged, which gets called after the user makes a selection from the menu. 47 saveLastSelection(); 48 if (RenderMenuList* menuList = toRenderMenuList(renderer())) 49 menuList->showPopup(); 50 51 int index = selectedIndex(); 52 ASSERT(index >= 0); 53 ASSERT_WITH_SECURITY_IMPLICATION(index < static_cast<int>(listItems().size())); 54 setSelectedIndex(index); 55 event->setDefaultHandled(); 56 return true; 57 } 58 59 } 60 61 #endif 62