diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/rendering/RenderTextControlMultiLine.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/rendering/RenderTextControlMultiLine.cpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/rendering/RenderTextControlMultiLine.cpp b/src/3rdparty/webkit/WebCore/rendering/RenderTextControlMultiLine.cpp new file mode 100644 index 0000000..f860524 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/rendering/RenderTextControlMultiLine.cpp @@ -0,0 +1,157 @@ +/** + * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. + * (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) + * + * 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 "RenderTextControlMultiLine.h" + +#include "EventNames.h" +#include "Frame.h" +#include "HitTestResult.h" +#include "HTMLTextAreaElement.h" + +namespace WebCore { + +RenderTextControlMultiLine::RenderTextControlMultiLine(Node* node) + : RenderTextControl(node) +{ +} + +RenderTextControlMultiLine::~RenderTextControlMultiLine() +{ + if (node()) + static_cast<HTMLTextAreaElement*>(node())->rendererWillBeDestroyed(); +} + +void RenderTextControlMultiLine::subtreeHasChanged() +{ + RenderTextControl::subtreeHasChanged(); + formControlElement()->setValueMatchesRenderer(false); + + if (!node()->focused()) + return; + + if (Frame* frame = document()->frame()) + frame->textDidChangeInTextArea(static_cast<Element*>(node())); +} + +void RenderTextControlMultiLine::layout() +{ + int oldHeight = m_height; + calcHeight(); + + int oldWidth = m_width; + calcWidth(); + + bool relayoutChildren = oldHeight != m_height || oldWidth != m_width; + RenderObject* innerTextRenderer = innerTextElement()->renderer(); + + // Set the text block height + int desiredHeight = textBlockHeight(); + if (desiredHeight != innerTextRenderer->height()) + relayoutChildren = true; + innerTextRenderer->style()->setHeight(Length(desiredHeight, Fixed)); + + // Set the text block width + int desiredWidth = textBlockWidth(); + if (desiredWidth != innerTextRenderer->width()) + relayoutChildren = true; + innerTextRenderer->style()->setWidth(Length(desiredWidth, Fixed)); + + RenderBlock::layoutBlock(relayoutChildren); +} + +bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, HitTestAction hitTestAction) +{ + if (!RenderTextControl::nodeAtPoint(request, result, x, y, tx, ty, hitTestAction)) + return false; + + if (result.innerNode() == element()) { + hitInnerTextBlock(result, x, y, tx, ty); + return true; + } + + return false; +} + +void RenderTextControlMultiLine::forwardEvent(Event* event) +{ + RenderTextControl::forwardEvent(event); +} + +int RenderTextControlMultiLine::preferredContentWidth(float charWidth) const +{ + int factor = static_cast<HTMLTextAreaElement*>(node())->cols(); + return static_cast<int>(ceilf(charWidth * factor)) + scrollbarThickness(); +} + +void RenderTextControlMultiLine::adjustControlHeightBasedOnLineHeight(int lineHeight) +{ + m_height += lineHeight * static_cast<HTMLTextAreaElement*>(node())->rows(); +} + +int RenderTextControlMultiLine::baselinePosition(bool, bool) const +{ + return height() + marginTop() + marginBottom(); +} + +void RenderTextControlMultiLine::updateFromElement() +{ + createSubtreeIfNeeded(0); + RenderTextControl::updateFromElement(); + + setInnerTextValue(static_cast<HTMLTextAreaElement*>(node())->value()); +} + +void RenderTextControlMultiLine::cacheSelection(int start, int end) +{ + static_cast<HTMLTextAreaElement*>(node())->cacheSelection(start, end); +} + +PassRefPtr<RenderStyle> RenderTextControlMultiLine::createInnerTextStyle(const RenderStyle* startStyle) const +{ + RefPtr<RenderStyle> textBlockStyle = RenderStyle::create(); + textBlockStyle->inheritFrom(startStyle); + + adjustInnerTextStyle(startStyle, textBlockStyle.get()); + + // Forward overflow properties. + textBlockStyle->setOverflowX(startStyle->overflowX() == OVISIBLE ? OAUTO : startStyle->overflowX()); + textBlockStyle->setOverflowY(startStyle->overflowY() == OVISIBLE ? OAUTO : startStyle->overflowY()); + + // Set word wrap property based on wrap attribute. + if (static_cast<HTMLTextAreaElement*>(node())->shouldWrapText()) { + textBlockStyle->setWhiteSpace(PRE_WRAP); + textBlockStyle->setWordWrap(BreakWordWrap); + } else { + textBlockStyle->setWhiteSpace(PRE); + textBlockStyle->setWordWrap(NormalWordWrap); + } + + textBlockStyle->setDisplay(BLOCK); + + // We're adding three extra pixels of padding to line textareas up with text fields. + textBlockStyle->setPaddingLeft(Length(3, Fixed)); + textBlockStyle->setPaddingRight(Length(3, Fixed)); + + return textBlockStyle.release(); +} + +} |