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/**
* 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, int lineTop, int lineBottom)
{
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;
// FIXME: Why is this alwasy LTR?
context->drawText(style->font(), TextRun(str.characters(), str.length(), false, 0, 0, TextRun::AllowTrailingExpansion, LTR, style->visuallyOrdered()), IntPoint(m_x + tx, m_y + ty + style->fontMetrics().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->fontMetrics().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->fontMetrics().ascent());
m_markupBox->paint(paintInfo, tx, ty, lineTop, lineBottom);
}
}
IntRect EllipsisBox::selectionRect(int tx, int ty)
{
RenderStyle* style = m_renderer->style(m_firstLine);
const Font& f = style->font();
// FIXME: Why is this always LTR?
return enclosingIntRect(f.selectionRectForText(TextRun(m_str.characters(), m_str.length(), false, 0, 0, TextRun::AllowTrailingExpansion, LTR, 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());
GraphicsContextStateSaver stateSaver(*context);
int y = root()->selectionTop();
int h = root()->selectionHeight();
context->clip(IntRect(m_x + tx, y + ty, m_logicalWidth, h));
// FIXME: Why is this always LTR?
context->drawHighlightForText(font, TextRun(m_str.characters(), m_str.length(), false, 0, 0, TextRun::AllowTrailingExpansion, LTR, style->visuallyOrdered()),
IntPoint(m_x + tx, m_y + ty + y), h, c, style->colorSpace());
}
bool EllipsisBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, int lineTop, int lineBottom)
{
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->fontMetrics().ascent() - (m_markupBox->y() + m_markupBox->renderer()->style(m_firstLine)->fontMetrics().ascent());
if (m_markupBox->nodeAtPoint(request, result, x, y, mtx, mty, lineTop, lineBottom)) {
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
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