117 lines
4.3 KiB
C++
117 lines
4.3 KiB
C++
/**
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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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* (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "config.h"
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#include "RenderTextControlMultiLine.h"
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#include "Frame.h"
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#include "HTMLNames.h"
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#include "HTMLTextAreaElement.h"
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#include "HitTestResult.h"
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#include "ShadowRoot.h"
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#include "StyleInheritedData.h"
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#include "TextControlInnerElements.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(RenderTextControlMultiLine);
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RenderTextControlMultiLine::RenderTextControlMultiLine(HTMLTextAreaElement& element, RenderStyle&& style)
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: RenderTextControl(element, WTFMove(style))
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{
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}
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RenderTextControlMultiLine::~RenderTextControlMultiLine()
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{
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// Do not add any code here. Add it to willBeDestroyed() instead.
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}
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void RenderTextControlMultiLine::willBeDestroyed()
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{
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if (textAreaElement().isConnected())
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textAreaElement().rendererWillBeDestroyed();
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RenderTextControl::willBeDestroyed();
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}
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HTMLTextAreaElement& RenderTextControlMultiLine::textAreaElement() const
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{
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return downcast<HTMLTextAreaElement>(RenderTextControl::textFormControlElement());
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}
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bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
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{
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if (!RenderTextControl::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, hitTestAction))
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return false;
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if (result.innerNode() == &textAreaElement() || result.innerNode() == innerTextElement())
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hitInnerTextElement(result, locationInContainer.point(), accumulatedOffset);
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return true;
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}
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float RenderTextControlMultiLine::getAverageCharWidth()
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{
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#if !PLATFORM(IOS_FAMILY)
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// Since Lucida Grande is the default font, we want this to match the width
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// of Courier New, the default font for textareas in IE, Firefox and Safari Win.
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// 1229 is the avgCharWidth value in the OS/2 table for Courier New.
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if (style().fontCascade().firstFamily() == "Lucida Grande")
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return scaleEmToUnits(1229);
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#endif
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return RenderTextControl::getAverageCharWidth();
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}
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LayoutUnit RenderTextControlMultiLine::preferredContentLogicalWidth(float charWidth) const
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{
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return LayoutUnit(ceilf(charWidth * textAreaElement().cols()) + scrollbarThickness());
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}
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LayoutUnit RenderTextControlMultiLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
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{
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return lineHeight * textAreaElement().rows() + nonContentHeight;
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}
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LayoutUnit RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
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{
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return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
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}
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void RenderTextControlMultiLine::layoutExcludedChildren(bool relayoutChildren)
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{
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RenderTextControl::layoutExcludedChildren(relayoutChildren);
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HTMLElement* placeholder = textFormControlElement().placeholderElement();
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RenderElement* placeholderRenderer = placeholder ? placeholder->renderer() : 0;
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if (!placeholderRenderer)
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return;
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if (is<RenderBox>(placeholderRenderer)) {
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auto& placeholderBox = downcast<RenderBox>(*placeholderRenderer);
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placeholderBox.mutableStyle().setLogicalWidth(Length(contentLogicalWidth() - placeholderBox.borderAndPaddingLogicalWidth(), LengthType::Fixed));
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placeholderBox.layoutIfNeeded();
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placeholderBox.setX(borderLeft() + paddingLeft());
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placeholderBox.setY(borderTop() + paddingTop());
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}
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}
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}
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