1/** 2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 3 * (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22#include "config.h" 23#include "RenderTextControlMultiLine.h" 24 25#include "Frame.h" 26#include "HTMLNames.h" 27#include "HTMLTextAreaElement.h" 28#include "HitTestResult.h" 29#include "ShadowRoot.h" 30#include "StyleInheritedData.h" 31#include "TextControlInnerElements.h" 32 33namespace WebCore { 34 35RenderTextControlMultiLine::RenderTextControlMultiLine(Element* element) 36 : RenderTextControl(element) 37{ 38} 39 40RenderTextControlMultiLine::~RenderTextControlMultiLine() 41{ 42 if (node() && node()->inDocument()) 43 static_cast<HTMLTextAreaElement*>(node())->rendererWillBeDestroyed(); 44} 45 46bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction) 47{ 48 if (!RenderTextControl::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, hitTestAction)) 49 return false; 50 51 if (result.innerNode() == node() || result.innerNode() == innerTextElement()) 52 hitInnerTextElement(result, locationInContainer.point(), accumulatedOffset); 53 54 return true; 55} 56 57float RenderTextControlMultiLine::getAvgCharWidth(AtomicString family) 58{ 59 // Since Lucida Grande is the default font, we want this to match the width 60 // of Courier New, the default font for textareas in IE, Firefox and Safari Win. 61 // 1229 is the avgCharWidth value in the OS/2 table for Courier New. 62 if (family == "Lucida Grande") 63 return scaleEmToUnits(1229); 64 65 return RenderTextControl::getAvgCharWidth(family); 66} 67 68LayoutUnit RenderTextControlMultiLine::preferredContentLogicalWidth(float charWidth) const 69{ 70 int factor = static_cast<HTMLTextAreaElement*>(node())->cols(); 71 return static_cast<LayoutUnit>(ceilf(charWidth * factor)) + scrollbarThickness(); 72} 73 74LayoutUnit RenderTextControlMultiLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const 75{ 76 return lineHeight * static_cast<HTMLTextAreaElement*>(node())->rows() + nonContentHeight; 77} 78 79int RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const 80{ 81 return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode); 82} 83 84PassRefPtr<RenderStyle> RenderTextControlMultiLine::createInnerTextStyle(const RenderStyle* startStyle) const 85{ 86 RefPtr<RenderStyle> textBlockStyle = RenderStyle::create(); 87 textBlockStyle->inheritFrom(startStyle); 88 adjustInnerTextStyle(startStyle, textBlockStyle.get()); 89 textBlockStyle->setDisplay(BLOCK); 90 91 return textBlockStyle.release(); 92} 93 94RenderStyle* RenderTextControlMultiLine::textBaseStyle() const 95{ 96 return style(); 97} 98 99RenderObject* RenderTextControlMultiLine::layoutSpecialExcludedChild(bool relayoutChildren) 100{ 101 RenderObject* placeholderRenderer = RenderTextControl::layoutSpecialExcludedChild(relayoutChildren); 102 if (!placeholderRenderer) 103 return 0; 104 if (!placeholderRenderer->isBox()) 105 return placeholderRenderer; 106 RenderBox* placeholderBox = toRenderBox(placeholderRenderer); 107 placeholderBox->style()->setLogicalWidth(Length(contentLogicalWidth() - placeholderBox->borderAndPaddingLogicalWidth(), Fixed)); 108 placeholderBox->layoutIfNeeded(); 109 placeholderBox->setX(borderLeft() + paddingLeft()); 110 placeholderBox->setY(borderTop() + paddingTop()); 111 return placeholderRenderer; 112} 113 114} 115