15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderTextControlMultiLine.h" 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/HTMLTextAreaElement.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/HitTestResult.h" 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 28c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 30521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles)RenderTextControlMultiLine::RenderTextControlMultiLine(HTMLTextAreaElement* element) 31926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) : RenderTextControl(element) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 33521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) ASSERT(element); 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)RenderTextControlMultiLine::~RenderTextControlMultiLine() 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!RenderTextControl::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, hitTestAction)) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4576c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) if (result.innerNode() == node() || result.innerNode() == innerEditorElement()) 4676c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) hitInnerEditorElement(result, locationInContainer.point(), accumulatedOffset); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)float RenderTextControlMultiLine::getAvgCharWidth(AtomicString family) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Since Lucida Grande is the default font, we want this to match the width 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // of Courier New, the default font for textareas in IE, Firefox and Safari Win. 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // 1229 is the avgCharWidth value in the OS/2 table for Courier New. 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (family == "Lucida Grande") 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return scaleEmToUnits(1229); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return RenderTextControl::getAvgCharWidth(family); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 62926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)LayoutUnit RenderTextControlMultiLine::preferredContentLogicalWidth(float charWidth) const 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 64e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch int factor = toHTMLTextAreaElement(node())->cols(); 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<LayoutUnit>(ceilf(charWidth * factor)) + scrollbarThickness(); 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 68926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)LayoutUnit RenderTextControlMultiLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 70e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return lineHeight * toHTMLTextAreaElement(node())->rows() + nonContentHeight; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)int RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode); 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7876c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles)PassRefPtr<RenderStyle> RenderTextControlMultiLine::createInnerEditorStyle(const RenderStyle* startStyle) const 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<RenderStyle> textBlockStyle = RenderStyle::create(); 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) textBlockStyle->inheritFrom(startStyle); 8276c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) adjustInnerEditorStyle(textBlockStyle.get()); 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) textBlockStyle->setDisplay(BLOCK); 84f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) textBlockStyle->setUnique(); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return textBlockStyle.release(); 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 89e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)RenderObject* RenderTextControlMultiLine::layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope& layoutScope) 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 91e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) RenderObject* placeholderRenderer = RenderTextControl::layoutSpecialExcludedChild(relayoutChildren, layoutScope); 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!placeholderRenderer) 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!placeholderRenderer->isBox()) 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return placeholderRenderer; 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderBox* placeholderBox = toRenderBox(placeholderRenderer); 97926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) placeholderBox->style()->setLogicalWidth(Length(contentLogicalWidth() - placeholderBox->borderAndPaddingLogicalWidth(), Fixed)); 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) placeholderBox->layoutIfNeeded(); 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) placeholderBox->setX(borderLeft() + paddingLeft()); 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) placeholderBox->setY(borderTop() + paddingTop()); 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return placeholderRenderer; 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 10302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 105