diff options
Diffstat (limited to 'Source/WebCore/rendering/EllipsisBox.cpp')
-rw-r--r-- | Source/WebCore/rendering/EllipsisBox.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/EllipsisBox.cpp b/Source/WebCore/rendering/EllipsisBox.cpp new file mode 100644 index 0000000..d367c07 --- /dev/null +++ b/Source/WebCore/rendering/EllipsisBox.cpp @@ -0,0 +1,128 @@ +/** + * Copyright (C) 2003, 2006 Apple Computer, Inc. + * + * 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 "EllipsisBox.h" + +#include "Document.h" +#include "GraphicsContext.h" +#include "HitTestResult.h" +#include "PaintInfo.h" +#include "RootInlineBox.h" +#include "TextRun.h" + +namespace WebCore { + +void EllipsisBox::paint(PaintInfo& paintInfo, int tx, int ty) +{ + GraphicsContext* context = paintInfo.context; + RenderStyle* style = m_renderer->style(m_firstLine); + Color textColor = style->visitedDependentColor(CSSPropertyColor); + if (textColor != context->fillColor()) + context->setFillColor(textColor, style->colorSpace()); + bool setShadow = false; + if (style->textShadow()) { + context->setShadow(IntSize(style->textShadow()->x(), style->textShadow()->y()), + style->textShadow()->blur(), style->textShadow()->color(), style->colorSpace()); + setShadow = true; + } + + if (selectionState() != RenderObject::SelectionNone) { + paintSelection(context, tx, ty, style, style->font()); + + // Select the correct color for painting the text. + Color foreground = paintInfo.forceBlackText ? Color::black : renderer()->selectionForegroundColor(); + if (foreground.isValid() && foreground != textColor) + context->setFillColor(foreground, style->colorSpace()); + } + + const String& str = m_str; + context->drawText(style->font(), TextRun(str.characters(), str.length(), false, 0, 0, false, style->visuallyOrdered()), IntPoint(m_x + tx, m_y + ty + style->font().ascent())); + + // Restore the regular fill color. + if (textColor != context->fillColor()) + context->setFillColor(textColor, style->colorSpace()); + + if (setShadow) + context->clearShadow(); + + if (m_markupBox) { + // Paint the markup box + tx += m_x + m_logicalWidth - m_markupBox->x(); + ty += m_y + style->font().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->font().ascent()); + m_markupBox->paint(paintInfo, tx, ty); + } +} + +IntRect EllipsisBox::selectionRect(int tx, int ty) +{ + RenderStyle* style = m_renderer->style(m_firstLine); + const Font& f = style->font(); + return enclosingIntRect(f.selectionRectForText(TextRun(m_str.characters(), m_str.length(), false, 0, 0, false, style->visuallyOrdered()), + IntPoint(m_x + tx, m_y + ty + root()->selectionTop()), root()->selectionHeight())); +} + +void EllipsisBox::paintSelection(GraphicsContext* context, int tx, int ty, RenderStyle* style, const Font& font) +{ + Color textColor = style->visitedDependentColor(CSSPropertyColor); + Color c = m_renderer->selectionBackgroundColor(); + if (!c.isValid() || !c.alpha()) + return; + + // If the text color ends up being the same as the selection background, invert the selection + // background. + if (textColor == c) + c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue()); + + context->save(); + int y = root()->selectionTop(); + int h = root()->selectionHeight(); + context->clip(IntRect(m_x + tx, y + ty, m_logicalWidth, h)); + context->drawHighlightForText(font, TextRun(m_str.characters(), m_str.length(), false, 0, 0, false, style->visuallyOrdered()), + IntPoint(m_x + tx, m_y + ty + y), h, c, style->colorSpace()); + context->restore(); +} + +bool EllipsisBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty) +{ + tx += m_x; + ty += m_y; + + // Hit test the markup box. + if (m_markupBox) { + RenderStyle* style = m_renderer->style(m_firstLine); + int mtx = tx + m_logicalWidth - m_markupBox->x(); + int mty = ty + style->font().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->font().ascent()); + if (m_markupBox->nodeAtPoint(request, result, x, y, mtx, mty)) { + renderer()->updateHitTestResult(result, IntPoint(x - mtx, y - mty)); + return true; + } + } + + IntRect boundsRect = IntRect(tx, ty, m_logicalWidth, m_height); + if (visibleToHitTesting() && boundsRect.intersects(result.rectForPoint(x, y))) { + renderer()->updateHitTestResult(result, IntPoint(x - tx, y - ty)); + if (!result.addNodeToRectBasedTestResult(renderer()->node(), x, y, boundsRect)) + return true; + } + + return false; +} + +} // namespace WebCore |