| /** |
| * 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 "Font.h" |
| #include "GraphicsContext.h" |
| #include "HitTestResult.h" |
| #include "InlineTextBox.h" |
| #include "PaintInfo.h" |
| #include "RenderBlock.h" |
| #include "RootInlineBox.h" |
| #include "TextRun.h" |
| |
| namespace WebCore { |
| |
| void EllipsisBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom) |
| { |
| GraphicsContext* context = paintInfo.context; |
| RenderStyle* style = m_renderer->style(isFirstLineStyle()); |
| Color textColor = style->visitedDependentColor(CSSPropertyColor); |
| if (textColor != context->fillColor()) |
| context->setFillColor(textColor, style->colorSpace()); |
| bool setShadow = false; |
| if (style->textShadow()) { |
| context->setShadow(LayoutSize(style->textShadow()->x(), style->textShadow()->y()), |
| style->textShadow()->blur(), style->textShadow()->color(), style->colorSpace()); |
| setShadow = true; |
| } |
| |
| const Font& font = style->font(); |
| if (selectionState() != RenderObject::SelectionNone) { |
| paintSelection(context, paintOffset, 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()); |
| } |
| |
| // FIXME: Why is this always LTR? Fix by passing correct text run flags below. |
| context->drawText(font, RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), LayoutPoint(x() + paintOffset.x(), y() + paintOffset.y() + style->fontMetrics().ascent())); |
| |
| // Restore the regular fill color. |
| if (textColor != context->fillColor()) |
| context->setFillColor(textColor, style->colorSpace()); |
| |
| if (setShadow) |
| context->clearShadow(); |
| |
| paintMarkupBox(paintInfo, paintOffset, lineTop, lineBottom, style); |
| } |
| |
| void EllipsisBox::paintMarkupBox(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom, RenderStyle* style) |
| { |
| if (!m_shouldPaintMarkupBox || !m_renderer->isRenderBlock()) |
| return; |
| |
| RenderBlock* block = toRenderBlock(m_renderer); |
| RootInlineBox* lastLine = block->lineAtIndex(block->lineCount() - 1); |
| if (!lastLine) |
| return; |
| |
| // If the last line-box on the last line of a block is a link, -webkit-line-clamp paints that box after the ellipsis. |
| // It does not actually move the link. |
| InlineBox* anchorBox = lastLine->lastChild(); |
| if (!anchorBox || !anchorBox->renderer()->style()->isLink()) |
| return; |
| |
| LayoutPoint adjustedPaintOffset = paintOffset; |
| adjustedPaintOffset.move(x() + m_logicalWidth - anchorBox->x(), |
| y() + style->fontMetrics().ascent() - (anchorBox->y() + anchorBox->renderer()->style(isFirstLineStyle())->fontMetrics().ascent())); |
| anchorBox->paint(paintInfo, adjustedPaintOffset, lineTop, lineBottom); |
| } |
| |
| IntRect EllipsisBox::selectionRect() |
| { |
| RenderStyle* style = m_renderer->style(isFirstLineStyle()); |
| const Font& font = style->font(); |
| // FIXME: Why is this always LTR? Fix by passing correct text run flags below. |
| return enclosingIntRect(font.selectionRectForText(RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), IntPoint(x(), y() + root()->selectionTopAdjustedForPrecedingBlock()), root()->selectionHeightAdjustedForPrecedingBlock())); |
| } |
| |
| void EllipsisBox::paintSelection(GraphicsContext* context, const LayoutPoint& paintOffset, 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); |
| LayoutUnit top = root()->selectionTop(); |
| LayoutUnit h = root()->selectionHeight(); |
| FloatRect clipRect(x() + paintOffset.x(), top + paintOffset.y(), m_logicalWidth, h); |
| alignSelectionRectToDevicePixels(clipRect); |
| context->clip(clipRect); |
| // FIXME: Why is this always LTR? Fix by passing correct text run flags below. |
| context->drawHighlightForText(font, RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), roundedIntPoint(LayoutPoint(x() + paintOffset.x(), y() + paintOffset.y() + top)), h, c, style->colorSpace()); |
| } |
| |
| bool EllipsisBox::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, LayoutUnit, LayoutUnit) |
| { |
| return false; |
| } |
| |
| } // namespace WebCore |