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Diffstat (limited to 'webkit/pending/RenderMenuList.cpp')
| -rw-r--r-- | webkit/pending/RenderMenuList.cpp | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/webkit/pending/RenderMenuList.cpp b/webkit/pending/RenderMenuList.cpp deleted file mode 100644 index 69bc104e..0000000 --- a/webkit/pending/RenderMenuList.cpp +++ /dev/null @@ -1,423 +0,0 @@ -/** - * This file is part of the select element renderer in WebCore. - * - * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#include "config.h" -#include "RenderMenuList.h" - -#include "CSSStyleSelector.h" -#include "Document.h" -#include "FontSelector.h" -#include "FrameView.h" -#include "GraphicsContext.h" -#include "HTMLNames.h" -#include "HTMLOptionElement.h" -#include "HTMLOptGroupElement.h" -#include "HTMLSelectElement.h" -#include "PopupMenu.h" -#include "RenderBR.h" -#include "RenderText.h" -#include "RenderTheme.h" -#include <math.h> - -using namespace std; - -namespace WebCore { - -using namespace HTMLNames; - -RenderMenuList::RenderMenuList(HTMLSelectElement* element) - : RenderFlexibleBox(element) - , m_buttonText(0) - , m_innerBlock(0) - , m_optionsChanged(true) - , m_optionsWidth(0) - , m_popup(0) - , m_popupIsVisible(false) -{ -} - -RenderMenuList::~RenderMenuList() -{ - if (m_popup) - m_popup->disconnectClient(); - m_popup = 0; -} - -// this static cast is safe because RenderMenuLists are only created for HTMLSelectElements -HTMLSelectElement* RenderMenuList::selectElement() -{ - return static_cast<HTMLSelectElement*>(node()); -} - -void RenderMenuList::createInnerBlock() -{ - if (m_innerBlock) { - ASSERT(firstChild() == m_innerBlock); - ASSERT(!m_innerBlock->nextSibling()); - return; - } - - // Create an anonymous block. - ASSERT(!firstChild()); - m_innerBlock = createAnonymousBlock(); - adjustInnerStyle(); - RenderFlexibleBox::addChild(m_innerBlock); -} - -void RenderMenuList::adjustInnerStyle() -{ - m_innerBlock->style()->setBoxFlex(1.0f); - - m_innerBlock->style()->setPaddingLeft(Length(theme()->popupInternalPaddingLeft(style()), Fixed)); - m_innerBlock->style()->setPaddingRight(Length(theme()->popupInternalPaddingRight(style()), Fixed)); - m_innerBlock->style()->setPaddingTop(Length(theme()->popupInternalPaddingTop(style()), Fixed)); - m_innerBlock->style()->setPaddingBottom(Length(theme()->popupInternalPaddingBottom(style()), Fixed)); - - if (PopupMenu::itemWritingDirectionIsNatural()) { - // Items in the popup will not respect the CSS text-align and direction properties, - // so we must adjust our own style to match. - m_innerBlock->style()->setTextAlign(LEFT); - TextDirection direction = (m_buttonText && m_buttonText->text()->defaultWritingDirection() == WTF::Unicode::RightToLeft) ? RTL : LTR; - m_innerBlock->style()->setDirection(direction); - } -} - -void RenderMenuList::addChild(RenderObject* newChild, RenderObject* beforeChild) -{ - createInnerBlock(); - m_innerBlock->addChild(newChild, beforeChild); -} - -void RenderMenuList::removeChild(RenderObject* oldChild) -{ - if (oldChild == m_innerBlock || !m_innerBlock) { - RenderFlexibleBox::removeChild(oldChild); - m_innerBlock = 0; - } else - m_innerBlock->removeChild(oldChild); -} - -void RenderMenuList::setStyle(RenderStyle* newStyle) -{ - bool fontChanged = !style() || style()->font() != newStyle->font(); - - // Don't allow overflow on menu lists. - newStyle->setOverflowX(OVISIBLE); - newStyle->setOverflowY(OVISIBLE); - - RenderBlock::setStyle(newStyle); - - if (m_buttonText) - m_buttonText->setStyle(newStyle); - if (m_innerBlock) // RenderBlock handled updating the anonymous block's style. - adjustInnerStyle(); - setReplaced(isInline()); - if (fontChanged) - updateOptionsWidth(); -} - -void RenderMenuList::updateOptionsWidth() -{ - float maxOptionWidth = 0; - const Vector<HTMLElement*>& listItems = static_cast<HTMLSelectElement*>(node())->listItems(); - int size = listItems.size(); - for (int i = 0; i < size; ++i) { - HTMLElement* element = listItems[i]; - if (element->hasTagName(optionTag)) { - String text = static_cast<HTMLOptionElement*>(element)->optionText(); - if (!text.isEmpty()) - maxOptionWidth = max(maxOptionWidth, style()->font().floatWidth(text)); - } - } - - int width = static_cast<int>(ceilf(maxOptionWidth)); - if (m_optionsWidth == width) - return; - - m_optionsWidth = width; - setNeedsLayoutAndPrefWidthsRecalc(); -} - -void RenderMenuList::updateFromElement() -{ - if (m_optionsChanged) { - updateOptionsWidth(); - m_optionsChanged = false; - } - - if (m_popupIsVisible) - m_popup->updateFromElement(); - else - setTextFromOption(static_cast<HTMLSelectElement*>(node())->selectedIndex()); -} - -void RenderMenuList::setTextFromOption(int optionIndex) -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - const Vector<HTMLElement*>& listItems = select->listItems(); - int size = listItems.size(); - - int i = select->optionToListIndex(optionIndex); - String text = ""; - if (i >= 0 && i < size) { - HTMLElement* element = listItems[i]; - if (element->hasTagName(optionTag)) - text = static_cast<HTMLOptionElement*>(listItems[i])->optionText(); - } - setText(text.stripWhiteSpace()); -} - -void RenderMenuList::setText(const String& s) -{ - if (s.isEmpty()) { - if (!m_buttonText || !m_buttonText->isBR()) { - if (m_buttonText) - m_buttonText->destroy(); - m_buttonText = new (renderArena()) RenderBR(document()); - m_buttonText->setStyle(style()); - addChild(m_buttonText); - } - } else { - if (m_buttonText && !m_buttonText->isBR()) - m_buttonText->setText(s.impl()); - else { - if (m_buttonText) - m_buttonText->destroy(); - m_buttonText = new (renderArena()) RenderText(document(), s.impl()); - m_buttonText->setStyle(style()); - addChild(m_buttonText); - } - adjustInnerStyle(); - } -} - -String RenderMenuList::text() const -{ - return m_buttonText ? m_buttonText->text() : 0; -} - -IntRect RenderMenuList::controlClipRect(int tx, int ty) const -{ - // Clip to the intersection of the content box and the content box for the inner box - // This will leave room for the arrows which sit in the inner box padding, - // and if the inner box ever spills out of the outer box, that will get clipped too. - IntRect outerBox(tx + borderLeft() + paddingLeft(), - ty + borderTop() + paddingTop(), - contentWidth(), - contentHeight()); - - IntRect innerBox(tx + m_innerBlock->xPos() + m_innerBlock->paddingLeft(), - ty + m_innerBlock->yPos() + m_innerBlock->paddingTop(), - m_innerBlock->contentWidth(), - m_innerBlock->contentHeight()); - - return intersection(outerBox, innerBox); -} - -void RenderMenuList::calcPrefWidths() -{ - m_minPrefWidth = 0; - m_maxPrefWidth = 0; - - if (style()->width().isFixed() && style()->width().value() > 0) - m_minPrefWidth = m_maxPrefWidth = calcContentBoxWidth(style()->width().value()); - else - m_maxPrefWidth = max(m_optionsWidth, theme()->minimumMenuListSize(style())) + m_innerBlock->paddingLeft() + m_innerBlock->paddingRight(); - - if (style()->minWidth().isFixed() && style()->minWidth().value() > 0) { - m_maxPrefWidth = max(m_maxPrefWidth, calcContentBoxWidth(style()->minWidth().value())); - m_minPrefWidth = max(m_minPrefWidth, calcContentBoxWidth(style()->minWidth().value())); - } else if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) - m_minPrefWidth = 0; - else - m_minPrefWidth = m_maxPrefWidth; - - if (style()->maxWidth().isFixed() && style()->maxWidth().value() != undefinedLength) { - m_maxPrefWidth = min(m_maxPrefWidth, calcContentBoxWidth(style()->maxWidth().value())); - m_minPrefWidth = min(m_minPrefWidth, calcContentBoxWidth(style()->maxWidth().value())); - } - - int toAdd = paddingLeft() + paddingRight() + borderLeft() + borderRight(); - m_minPrefWidth += toAdd; - m_maxPrefWidth += toAdd; - - setPrefWidthsDirty(false); -} - -void RenderMenuList::showPopup() -{ - if (m_popupIsVisible) - return; - - // Create m_innerBlock here so it ends up as the first child. - // This is important because otherwise we might try to create m_innerBlock - // inside the showPopup call and it would fail. - createInnerBlock(); - if (!m_popup) - m_popup = PopupMenu::create(this); - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - m_popupIsVisible = true; - m_popup->show(absoluteBoundingBoxRect(), document()->view(), - select->optionToListIndex(select->selectedIndex())); -} - -void RenderMenuList::hidePopup() -{ - if (m_popup) - m_popup->hide(); - m_popupIsVisible = false; -} - -void RenderMenuList::valueChanged(unsigned listIndex, bool fireOnChange) -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - select->setSelectedIndex(select->listToOptionIndex(listIndex), true, fireOnChange); -} - -String RenderMenuList::itemText(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - if (element->hasTagName(optgroupTag)) - return static_cast<HTMLOptGroupElement*>(element)->groupLabelText(); - else if (element->hasTagName(optionTag)) - return static_cast<HTMLOptionElement*>(element)->optionText(); - return String(); -} - -bool RenderMenuList::itemIsEnabled(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - if (!element->hasTagName(optionTag)) - return false; - bool groupEnabled = true; - if (element->parentNode() && element->parentNode()->hasTagName(optgroupTag)) - groupEnabled = element->parentNode()->isEnabled(); - return element->isEnabled() && groupEnabled; -} - -RenderStyle* RenderMenuList::itemStyle(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - - RenderStyle* style = element->renderStyle() ? element->renderStyle() : element->computedStyle(); - return style ? style : clientStyle(); -} - -Color RenderMenuList::itemBackgroundColor(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - - Color backgroundColor; - if (element->renderStyle()) - backgroundColor = element->renderStyle()->backgroundColor(); - // If the item has an opaque background color, return that. - if (!backgroundColor.hasAlpha()) - return backgroundColor; - - // Otherwise, the item's background is overlayed on top of the menu background. - backgroundColor = style()->backgroundColor().blend(backgroundColor); - if (!backgroundColor.hasAlpha()) - return backgroundColor; - - // If the menu background is not opaque, then add an opaque white background behind. - return Color(Color::white).blend(backgroundColor); -} - -RenderStyle* RenderMenuList::clientStyle() const -{ - return m_innerBlock ? m_innerBlock->style() : style(); -} - -Document* RenderMenuList::clientDocument() const -{ - return document(); -} - -int RenderMenuList::clientInsetLeft() const -{ - return 0; -} - -int RenderMenuList::clientInsetRight() const -{ - return 0; -} - -int RenderMenuList::clientPaddingLeft() const -{ - return paddingLeft(); -} - -int RenderMenuList::clientPaddingRight() const -{ - return paddingRight(); -} - -int RenderMenuList::listSize() const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - return select->listItems().size(); -} - -int RenderMenuList::selectedIndex() const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - return select->optionToListIndex(select->selectedIndex()); -} - -bool RenderMenuList::itemIsSeparator(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - return element->hasTagName(hrTag); -} - -bool RenderMenuList::itemIsLabel(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - return element->hasTagName(optgroupTag); -} - -bool RenderMenuList::itemIsSelected(unsigned listIndex) const -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - HTMLElement* element = select->listItems()[listIndex]; - return element->hasTagName(optionTag)&& static_cast<HTMLOptionElement*>(element)->selected(); -} - -void RenderMenuList::setTextFromItem(unsigned listIndex) -{ - HTMLSelectElement* select = static_cast<HTMLSelectElement*>(node()); - setTextFromOption(select->listToOptionIndex(listIndex)); -} - -FontSelector* RenderMenuList::fontSelector() const -{ - return document()->styleSelector()->fontSelector(); -} - -} |