+++ /dev/null
-/**
-* This file is part of the html renderer for KDE.
- *
- * 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-// -------------------------------------------------------------------------
-
-#include "config.h"
-#include "render_line.h"
-
-#include "CachedImage.h"
-#include "Document.h"
-#include "GraphicsContext.h"
-#include "InlineTextBox.h"
-#include "RenderBlock.h"
-#include "RenderTableCell.h"
-#include "RenderArena.h"
-#include "RenderInline.h"
-#include "render_list.h"
-#include <assert.h>
-
-using namespace std;
-
-namespace WebCore {
-
-#ifndef NDEBUG
-static bool inInlineBoxDetach;
-#endif
-
-class EllipsisBox : public InlineBox
-{
-public:
- EllipsisBox(RenderObject* obj, const WebCore::AtomicString& ellipsisStr, InlineFlowBox* p,
- int w, int y, int h, int b, bool firstLine, InlineBox* markupBox)
- :InlineBox(obj), m_str(ellipsisStr) {
- m_parent = p;
- m_width = w;
- m_y = y;
- m_height = h;
- m_baseline = b;
- m_firstLine = firstLine;
- m_constructed = true;
- m_markupBox = markupBox;
- }
-
- virtual void paint(RenderObject::PaintInfo& i, int _tx, int _ty);
- virtual bool nodeAtPoint(RenderObject::NodeInfo& info, int _x, int _y, int _tx, int _ty);
-
-private:
- WebCore::AtomicString m_str;
- InlineBox* m_markupBox;
-};
-
-void InlineBox::remove()
-{
- if (parent())
- parent()->removeChild(this);
-}
-
-void InlineBox::destroy(RenderArena* renderArena)
-{
-#ifndef NDEBUG
- inInlineBoxDetach = true;
-#endif
- delete this;
-#ifndef NDEBUG
- inInlineBoxDetach = false;
-#endif
-
- // Recover the size left there for us by operator delete and free the memory.
- renderArena->free(*(size_t *)this, this);
-}
-
-void* InlineBox::operator new(size_t sz, RenderArena* renderArena) throw()
-{
- return renderArena->allocate(sz);
-}
-
-
-void InlineBox::operator delete(void* ptr, size_t sz)
-{
- assert(inInlineBoxDetach);
-
- // Stash size where destroy can find it.
- *(size_t *)ptr = sz;
-}
-
-#ifndef NDEBUG
-void InlineBox::showTreeForThis() const
-{
- if (m_object)
- m_object->showTreeForThis();
-}
-#endif
-
-int InlineBox::caretMinOffset() const
-{
- return 0;
-}
-
-int InlineBox::caretMaxOffset() const
-{
- return 1;
-}
-
-unsigned InlineBox::caretMaxRenderedOffset() const
-{
- return 1;
-}
-
-void InlineBox::dirtyLineBoxes()
-{
- markDirty();
- for (InlineFlowBox* curr = parent(); curr && !curr->isDirty(); curr = curr->parent())
- curr->markDirty();
-}
-
-void InlineBox::deleteLine(RenderArena* arena)
-{
- if (!m_extracted)
- m_object->setInlineBoxWrapper(0);
- destroy(arena);
-}
-
-void InlineBox::extractLine()
-{
- m_extracted = true;
- m_object->setInlineBoxWrapper(0);
-}
-
-void InlineBox::attachLine()
-{
- m_extracted = false;
- m_object->setInlineBoxWrapper(this);
-}
-
-void InlineBox::adjustPosition(int dx, int dy)
-{
- m_x += dx;
- m_y += dy;
- if (m_object->isReplaced() || m_object->isBR())
- m_object->setPos(m_object->xPos() + dx, m_object->yPos() + dy);
-}
-
-void InlineBox::paint(RenderObject::PaintInfo& i, int tx, int ty)
-{
- if (!object()->shouldPaintWithinRoot(i) || (i.phase != PaintPhaseForeground && i.phase != PaintPhaseSelection))
- return;
-
- // Paint all phases of replaced elements atomically, as though the replaced element established its
- // own stacking context. (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
- // specification.)
- bool paintSelectionOnly = i.phase == PaintPhaseSelection;
- RenderObject::PaintInfo info(i);
- info.phase = paintSelectionOnly ? i.phase : PaintPhaseBlockBackground;
- object()->paint(info, tx, ty);
- if (!paintSelectionOnly) {
- info.phase = PaintPhaseChildBlockBackgrounds;
- object()->paint(info, tx, ty);
- info.phase = PaintPhaseFloat;
- object()->paint(info, tx, ty);
- info.phase = PaintPhaseForeground;
- object()->paint(info, tx, ty);
- info.phase = PaintPhaseOutline;
- object()->paint(info, tx, ty);
- }
-}
-
-bool InlineBox::nodeAtPoint(RenderObject::NodeInfo& i, int x, int y, int tx, int ty)
-{
- // Hit test all phases of replaced elements atomically, as though the replaced element established its
- // own stacking context. (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
- // specification.)
- return object()->hitTest(i, x, y, tx, ty);
-}
-
-RootInlineBox* InlineBox::root()
-{
- if (m_parent)
- return m_parent->root();
- return static_cast<RootInlineBox*>(this);
-}
-
-bool InlineBox::nextOnLineExists() const
-{
- if (!parent())
- return false;
-
- if (nextOnLine())
- return true;
-
- return parent()->nextOnLineExists();
-}
-
-bool InlineBox::prevOnLineExists() const
-{
- if (!parent())
- return false;
-
- if (prevOnLine())
- return true;
-
- return parent()->prevOnLineExists();
-}
-
-InlineBox* InlineBox::firstLeafChild()
-{
- return this;
-}
-
-InlineBox* InlineBox::lastLeafChild()
-{
- return this;
-}
-
-InlineBox* InlineBox::nextLeafChild()
-{
- return parent() ? parent()->firstLeafChildAfterBox(this) : 0;
-}
-
-InlineBox* InlineBox::prevLeafChild()
-{
- return parent() ? parent()->lastLeafChildBeforeBox(this) : 0;
-}
-
-RenderObject::SelectionState InlineBox::selectionState()
-{
- return object()->selectionState();
-}
-
-bool InlineBox::canAccommodateEllipsis(bool ltr, int blockEdge, int ellipsisWidth)
-{
- // Non-replaced elements can always accommodate an ellipsis.
- if (!m_object || !m_object->isReplaced())
- return true;
-
- IntRect boxRect(m_x, 0, m_width, 10);
- IntRect ellipsisRect(ltr ? blockEdge - ellipsisWidth : blockEdge, 0, ellipsisWidth, 10);
- return !(boxRect.intersects(ellipsisRect));
-}
-
-int InlineBox::placeEllipsisBox(bool ltr, int blockEdge, int ellipsisWidth, bool&)
-{
- // Use -1 to mean "we didn't set the position."
- return -1;
-}
-
-RenderFlow* InlineFlowBox::flowObject()
-{
- return static_cast<RenderFlow*>(m_object);
-}
-
-int InlineFlowBox::marginLeft()
-{
- if (!includeLeftEdge())
- return 0;
-
- Length margin = object()->style()->marginLeft();
- if (margin.isAuto())
- return 0;
- if (margin.isFixed())
- return margin.value();
- return object()->marginLeft();
-}
-
-int InlineFlowBox::marginRight()
-{
- if (!includeRightEdge())
- return 0;
-
- Length margin = object()->style()->marginRight();
- if (margin.isAuto())
- return 0;
- if (margin.isFixed())
- return margin.value();
- return object()->marginRight();
-}
-
-int InlineFlowBox::marginBorderPaddingLeft()
-{
- return marginLeft() + borderLeft() + paddingLeft();
-}
-
-int InlineFlowBox::marginBorderPaddingRight()
-{
- return marginRight() + borderRight() + paddingRight();
-}
-
-int InlineFlowBox::getFlowSpacingWidth()
-{
- int totWidth = marginBorderPaddingLeft() + marginBorderPaddingRight();
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- if (curr->isInlineFlowBox())
- totWidth += static_cast<InlineFlowBox*>(curr)->getFlowSpacingWidth();
- }
- return totWidth;
-}
-
-void InlineFlowBox::addToLine(InlineBox* child) {
- if (!m_firstChild)
- m_firstChild = m_lastChild = child;
- else {
- m_lastChild->m_next = child;
- child->m_prev = m_lastChild;
- m_lastChild = child;
- }
- child->setFirstLineStyleBit(m_firstLine);
- child->setParent(this);
- if (child->isText())
- m_hasTextChildren = true;
- if (child->object()->selectionState() != RenderObject::SelectionNone)
- root()->setHasSelectedChildren(true);
-}
-
-void InlineFlowBox::removeChild(InlineBox* child)
-{
- if (!m_dirty)
- dirtyLineBoxes();
-
- root()->childRemoved(child);
-
- if (child == m_firstChild)
- m_firstChild = child->nextOnLine();
- if (child == m_lastChild)
- m_lastChild = child->prevOnLine();
- if (child->nextOnLine())
- child->nextOnLine()->setPrevOnLine(child->prevOnLine());
- if (child->prevOnLine())
- child->prevOnLine()->setNextOnLine(child->nextOnLine());
-
- child->setParent(0);
-}
-
-void InlineFlowBox::deleteLine(RenderArena* arena)
-{
- InlineBox* child = m_firstChild;
- InlineBox* next = 0;
- while (child) {
- next = child->nextOnLine();
- child->deleteLine(arena);
- child = next;
- }
-
- static_cast<RenderFlow*>(m_object)->removeLineBox(this);
- destroy(arena);
-}
-
-void InlineFlowBox::extractLine()
-{
- if (!m_extracted)
- static_cast<RenderFlow*>(m_object)->extractLineBox(this);
- for (InlineBox* child = m_firstChild; child; child = child->nextOnLine())
- child->extractLine();
-}
-
-void InlineFlowBox::attachLine()
-{
- if (m_extracted)
- static_cast<RenderFlow*>(m_object)->attachLineBox(this);
- for (InlineBox* child = m_firstChild; child; child = child->nextOnLine())
- child->attachLine();
-}
-
-void InlineFlowBox::adjustPosition(int dx, int dy)
-{
- InlineRunBox::adjustPosition(dx, dy);
- for (InlineBox* child = m_firstChild; child; child = child->nextOnLine())
- child->adjustPosition(dx, dy);
-}
-
-bool InlineFlowBox::onEndChain(RenderObject* endObject)
-{
- if (!endObject)
- return false;
-
- if (endObject == object())
- return true;
-
- RenderObject* curr = endObject;
- RenderObject* parent = curr->parent();
- while (parent && !parent->isRenderBlock()) {
- if (parent->lastChild() != curr || parent == object())
- return false;
-
- curr = parent;
- parent = curr->parent();
- }
-
- return true;
-}
-
-void InlineFlowBox::determineSpacingForFlowBoxes(bool lastLine, RenderObject* endObject)
-{
- // All boxes start off open. They will not apply any margins/border/padding on
- // any side.
- bool includeLeftEdge = false;
- bool includeRightEdge = false;
-
- RenderFlow* flow = static_cast<RenderFlow*>(object());
-
- if (!flow->firstChild())
- includeLeftEdge = includeRightEdge = true; // Empty inlines never split across lines.
- else if (parent()) { // The root inline box never has borders/margins/padding.
- bool ltr = flow->style()->direction() == LTR;
-
- // Check to see if all initial lines are unconstructed. If so, then
- // we know the inline began on this line.
- if (!flow->firstLineBox()->isConstructed()) {
- if (ltr && flow->firstLineBox() == this)
- includeLeftEdge = true;
- else if (!ltr && flow->lastLineBox() == this)
- includeRightEdge = true;
- }
-
- // In order to determine if the inline ends on this line, we check three things:
- // (1) If we are the last line and we don't have a continuation(), then we can
- // close up.
- // (2) If the last line box for the flow has an object following it on the line (ltr,
- // reverse for rtl), then the inline has closed.
- // (3) The line may end on the inline. If we are the last child (climbing up
- // the end object's chain), then we just closed as well.
- if (!flow->lastLineBox()->isConstructed()) {
- if (ltr) {
- if (!nextLineBox() &&
- ((lastLine && !object()->continuation()) || nextOnLineExists()
- || onEndChain(endObject)))
- includeRightEdge = true;
- }
- else {
- if ((!prevLineBox() || !prevLineBox()->isConstructed()) &&
- ((lastLine && !object()->continuation()) ||
- prevOnLineExists() || onEndChain(endObject)))
- includeLeftEdge = true;
- }
- }
- }
-
- setEdges(includeLeftEdge, includeRightEdge);
-
- // Recur into our children.
- for (InlineBox* currChild = firstChild(); currChild; currChild = currChild->nextOnLine()) {
- if (currChild->isInlineFlowBox()) {
- InlineFlowBox* currFlow = static_cast<InlineFlowBox*>(currChild);
- currFlow->determineSpacingForFlowBoxes(lastLine, endObject);
- }
- }
-}
-
-int InlineFlowBox::placeBoxesHorizontally(int x, int& leftPosition, int& rightPosition, bool & needsWordSpacing)
-{
- // Set our x position.
- setXPos(x);
- leftPosition = min(x, leftPosition);
-
- int startX = x;
- x += borderLeft() + paddingLeft();
-
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- if (curr->object()->isText()) {
- InlineTextBox *text = static_cast<InlineTextBox*>(curr);
- RenderText *rt = static_cast<RenderText*>(text->object());
- if (rt->length()) {
- if (needsWordSpacing && QChar(rt->text()[text->start()]).isSpace())
- x += rt->font(m_firstLine)->wordSpacing();
- needsWordSpacing = !QChar(rt->text()[text->end()]).isSpace();
- }
- text->setXPos(x);
- int shadowLeft = 0;
- int shadowRight = 0;
- for (ShadowData* shadow = rt->style()->textShadow(); shadow; shadow = shadow->next) {
- shadowLeft = min(shadowLeft, shadow->x - shadow->blur);
- shadowRight = max(shadowRight, shadow->x + shadow->blur);
- }
- leftPosition = min(x + shadowLeft, leftPosition);
- rightPosition = max(x + text->width() + shadowRight, rightPosition);
- m_maxHorizontalShadow = max(max(shadowRight, -shadowLeft), m_maxHorizontalShadow);
- x += text->width();
- } else {
- if (curr->object()->isPositioned()) {
- if (curr->object()->parent()->style()->direction() == LTR)
- curr->setXPos(x);
- else
- // Our offset that we cache needs to be from the edge of the right border box and
- // not the left border box. We have to subtract |x| from the width of the block
- // (which can be obtained from the root line box).
- curr->setXPos(root()->object()->width()-x);
- continue; // The positioned object has no effect on the width.
- }
- if (curr->object()->isInlineFlow()) {
- InlineFlowBox* flow = static_cast<InlineFlowBox*>(curr);
- if (curr->object()->isCompact()) {
- int ignoredX = x;
- flow->placeBoxesHorizontally(ignoredX, leftPosition, rightPosition, needsWordSpacing);
- } else {
- x += flow->marginLeft();
- x = flow->placeBoxesHorizontally(x, leftPosition, rightPosition, needsWordSpacing);
- x += flow->marginRight();
- }
- } else if (!curr->object()->isCompact() && (!curr->object()->isListMarker() || static_cast<RenderListMarker*>(curr->object())->isInside())) {
- x += curr->object()->marginLeft();
- curr->setXPos(x);
- leftPosition = min(x, leftPosition);
- rightPosition = max(x + curr->width(), rightPosition);
- x += curr->width() + curr->object()->marginRight();
- }
- }
- }
-
- x += borderRight() + paddingRight();
- setWidth(x-startX);
- rightPosition = max(xPos() + width(), rightPosition);
-
- return x;
-}
-
-void InlineFlowBox::verticallyAlignBoxes(int& heightOfBlock)
-{
- int maxPositionTop = 0;
- int maxPositionBottom = 0;
- int maxAscent = 0;
- int maxDescent = 0;
-
- // Figure out if we're in strict mode. Note that we can't simply use !style()->htmlHacks(),
- // because that would match almost strict mode as well.
- RenderObject* curr = object();
- while (curr && !curr->element())
- curr = curr->container();
- bool strictMode = (curr && curr->document()->inStrictMode());
-
- computeLogicalBoxHeights(maxPositionTop, maxPositionBottom, maxAscent, maxDescent, strictMode);
-
- if (maxAscent + maxDescent < max(maxPositionTop, maxPositionBottom))
- adjustMaxAscentAndDescent(maxAscent, maxDescent, maxPositionTop, maxPositionBottom);
-
- int maxHeight = maxAscent + maxDescent;
- int topPosition = heightOfBlock;
- int bottomPosition = heightOfBlock;
- int selectionTop = heightOfBlock;
- int selectionBottom = heightOfBlock;
- placeBoxesVertically(heightOfBlock, maxHeight, maxAscent, strictMode, topPosition, bottomPosition, selectionTop, selectionBottom);
-
- setVerticalOverflowPositions(topPosition, bottomPosition);
- setVerticalSelectionPositions(selectionTop, selectionBottom);
-
- // Shrink boxes with no text children in quirks and almost strict mode.
- if (!strictMode)
- shrinkBoxesWithNoTextChildren(topPosition, bottomPosition);
-
- heightOfBlock += maxHeight;
-}
-
-void InlineFlowBox::adjustMaxAscentAndDescent(int& maxAscent, int& maxDescent,
- int maxPositionTop, int maxPositionBottom)
-{
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- // The computed lineheight needs to be extended for the
- // positioned elements
- if (curr->object()->isPositioned())
- continue; // Positioned placeholders don't affect calculations.
- if (curr->yPos() == PositionTop || curr->yPos() == PositionBottom) {
- if (curr->yPos() == PositionTop) {
- if (maxAscent + maxDescent < curr->height())
- maxDescent = curr->height() - maxAscent;
- }
- else {
- if (maxAscent + maxDescent < curr->height())
- maxAscent = curr->height() - maxDescent;
- }
-
- if (maxAscent + maxDescent >= max(maxPositionTop, maxPositionBottom))
- break;
- }
-
- if (curr->isInlineFlowBox())
- static_cast<InlineFlowBox*>(curr)->adjustMaxAscentAndDescent(maxAscent, maxDescent, maxPositionTop, maxPositionBottom);
- }
-}
-
-void InlineFlowBox::computeLogicalBoxHeights(int& maxPositionTop, int& maxPositionBottom,
- int& maxAscent, int& maxDescent, bool strictMode)
-{
- if (isRootInlineBox()) {
- // Examine our root box.
- setHeight(object()->lineHeight(m_firstLine, true));
- bool isTableCell = object()->isTableCell();
- if (isTableCell) {
- RenderTableCell* tableCell = static_cast<RenderTableCell*>(object());
- setBaseline(tableCell->RenderBlock::baselinePosition(m_firstLine, true));
- }
- else
- setBaseline(object()->baselinePosition(m_firstLine, true));
- if (hasTextChildren() || strictMode) {
- int ascent = baseline();
- int descent = height() - ascent;
- if (maxAscent < ascent)
- maxAscent = ascent;
- if (maxDescent < descent)
- maxDescent = descent;
- }
- }
-
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- if (curr->object()->isPositioned())
- continue; // Positioned placeholders don't affect calculations.
-
- curr->setHeight(curr->object()->lineHeight(m_firstLine));
- curr->setBaseline(curr->object()->baselinePosition(m_firstLine));
- curr->setYPos(curr->object()->verticalPositionHint(m_firstLine));
- if (curr->yPos() == PositionTop) {
- if (maxPositionTop < curr->height())
- maxPositionTop = curr->height();
- }
- else if (curr->yPos() == PositionBottom) {
- if (maxPositionBottom < curr->height())
- maxPositionBottom = curr->height();
- }
- else if (curr->hasTextChildren() || strictMode) {
- int ascent = curr->baseline() - curr->yPos();
- int descent = curr->height() - ascent;
- if (maxAscent < ascent)
- maxAscent = ascent;
- if (maxDescent < descent)
- maxDescent = descent;
- }
-
- if (curr->isInlineFlowBox())
- static_cast<InlineFlowBox*>(curr)->computeLogicalBoxHeights(maxPositionTop, maxPositionBottom, maxAscent, maxDescent, strictMode);
- }
-}
-
-void InlineFlowBox::placeBoxesVertically(int y, int maxHeight, int maxAscent, bool strictMode,
- int& topPosition, int& bottomPosition, int& selectionTop, int& selectionBottom)
-{
- if (isRootInlineBox())
- setYPos(y + maxAscent - baseline());// Place our root box.
-
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- if (curr->object()->isPositioned())
- continue; // Positioned placeholders don't affect calculations.
-
- // Adjust boxes to use their real box y/height and not the logical height (as dictated by
- // line-height).
- if (curr->isInlineFlowBox())
- static_cast<InlineFlowBox*>(curr)->placeBoxesVertically(y, maxHeight, maxAscent, strictMode, topPosition, bottomPosition, selectionTop, selectionBottom);
-
- bool childAffectsTopBottomPos = true;
- if (curr->yPos() == PositionTop)
- curr->setYPos(y);
- else if (curr->yPos() == PositionBottom)
- curr->setYPos(y + maxHeight - curr->height());
- else {
- if (!curr->hasTextChildren() && !strictMode)
- childAffectsTopBottomPos = false;
- curr->setYPos(curr->yPos() + y + maxAscent - curr->baseline());
- }
-
- int newY = curr->yPos();
- int newHeight = curr->height();
- int newBaseline = curr->baseline();
- int overflowTop = 0;
- int overflowBottom = 0;
- if (curr->isText() || curr->isInlineFlowBox()) {
- const Font& font = curr->object()->font(m_firstLine);
- newBaseline = font.ascent();
- newY += curr->baseline() - newBaseline;
- newHeight = newBaseline + font.descent();
- for (ShadowData* shadow = curr->object()->style()->textShadow(); shadow; shadow = shadow->next) {
- overflowTop = min(overflowTop, shadow->y - shadow->blur);
- overflowBottom = max(overflowBottom, shadow->y + shadow->blur);
- }
- if (curr->isInlineFlowBox()) {
- newHeight += curr->object()->borderTop() + curr->object()->paddingTop() +
- curr->object()->borderBottom() + curr->object()->paddingBottom();
- newY -= curr->object()->borderTop() + curr->object()->paddingTop();
- newBaseline += curr->object()->borderTop() + curr->object()->paddingTop();
- }
- }
- else if (!curr->object()->isBR()) {
- newY += curr->object()->marginTop();
- newHeight = curr->height() - (curr->object()->marginTop() + curr->object()->marginBottom());
- overflowTop = curr->object()->overflowTop(false);
- overflowBottom = curr->object()->overflowHeight(false) - newHeight;
- }
-
- curr->setYPos(newY);
- curr->setHeight(newHeight);
- curr->setBaseline(newBaseline);
-
- if (childAffectsTopBottomPos) {
- selectionTop = min(selectionTop, newY);
- selectionBottom = max(selectionBottom, newY + newHeight);
- topPosition = min(topPosition, newY + overflowTop);
- bottomPosition = max(bottomPosition, newY + newHeight + overflowBottom);
- }
- }
-
- if (isRootInlineBox()) {
- const Font& font = object()->font(m_firstLine);
- setHeight(font.ascent() + font.descent());
- setYPos(yPos() + baseline() - font.ascent());
- setBaseline(font.ascent());
- if (hasTextChildren() || strictMode) {
- selectionTop = min(selectionTop, yPos());
- selectionBottom = max(selectionBottom, yPos() + height());
- }
- }
-}
-
-void InlineFlowBox::shrinkBoxesWithNoTextChildren(int topPos, int bottomPos)
-{
- // First shrink our kids.
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- if (curr->object()->isPositioned())
- continue; // Positioned placeholders don't affect calculations.
-
- if (curr->isInlineFlowBox())
- static_cast<InlineFlowBox*>(curr)->shrinkBoxesWithNoTextChildren(topPos, bottomPos);
- }
-
- // See if we have text children. If not, then we need to shrink ourselves to fit on the line.
- if (!hasTextChildren()) {
- if (yPos() < topPos)
- setYPos(topPos);
- if (yPos() + height() > bottomPos)
- setHeight(bottomPos - yPos());
- if (baseline() > height())
- setBaseline(height());
- }
-}
-
-bool InlineFlowBox::nodeAtPoint(RenderObject::NodeInfo& i, int x, int y, int tx, int ty)
-{
- // Check children first.
- for (InlineBox* curr = lastChild(); curr; curr = curr->prevOnLine()) {
- if (!curr->object()->layer() && curr->nodeAtPoint(i, x, y, tx, ty)) {
- object()->setInnerNode(i);
- return true;
- }
- }
-
- // Now check ourselves.
- IntRect rect(tx + m_x, ty + m_y, m_width, m_height);
- if (object()->style()->visibility() == VISIBLE && rect.contains(x, y)) {
- object()->setInnerNode(i);
- return true;
- }
-
- return false;
-}
-
-void InlineFlowBox::paint(RenderObject::PaintInfo& i, int tx, int ty)
-{
- int xPos = tx + m_x - object()->maximalOutlineSize(i.phase);
- int w = width() + 2 * object()->maximalOutlineSize(i.phase);
- bool intersectsDamageRect = xPos < i.r.right() && xPos + w > i.r.x();
-
- if (intersectsDamageRect && i.phase != PaintPhaseChildOutlines) {
- if (i.phase == PaintPhaseOutline || i.phase == PaintPhaseSelfOutline) {
- // Add ourselves to the paint info struct's list of inlines that need to paint their
- // outlines.
- if (object()->style()->visibility() == VISIBLE && object()->style()->outlineWidth() > 0 &&
- !object()->isInlineContinuation() && !isRootInlineBox()) {
- i.outlineObjects->add(flowObject());
- }
- }
- else {
- // 1. Paint our background and border.
- paintBackgroundAndBorder(i, tx, ty);
-
- // 2. Paint our underline and overline.
- paintDecorations(i, tx, ty, false);
- }
- }
-
- PaintPhase paintPhase = i.phase == PaintPhaseChildOutlines ? PaintPhaseOutline : i.phase;
- RenderObject::PaintInfo childInfo(i);
- childInfo.phase = paintPhase;
-
- // 3. Paint our children.
- if (paintPhase != PaintPhaseSelfOutline) {
- for (InlineBox* curr = firstChild(); curr; curr = curr->nextOnLine()) {
- if (!curr->object()->layer())
- curr->paint(childInfo, tx, ty);
- }
- }
-
- // 4. Paint our strike-through
- if (intersectsDamageRect && (i.phase == PaintPhaseForeground || i.phase == PaintPhaseSelection))
- paintDecorations(i, tx, ty, true);
-}
-
-void InlineFlowBox::paintBackgrounds(GraphicsContext* p, const Color& c, const BackgroundLayer* bgLayer,
- int my, int mh, int _tx, int _ty, int w, int h)
-{
- if (!bgLayer)
- return;
- paintBackgrounds(p, c, bgLayer->next(), my, mh, _tx, _ty, w, h);
- paintBackground(p, c, bgLayer, my, mh, _tx, _ty, w, h);
-}
-
-void InlineFlowBox::paintBackground(GraphicsContext* p, const Color& c, const BackgroundLayer* bgLayer,
- int my, int mh, int _tx, int _ty, int w, int h)
-{
- CachedImage* bg = bgLayer->backgroundImage();
- bool hasBackgroundImage = bg && bg->canRender();
- if (!hasBackgroundImage || (!prevLineBox() && !nextLineBox()) || !parent())
- object()->paintBackgroundExtended(p, c, bgLayer, my, mh, _tx, _ty, w, h,
- borderLeft(), borderRight(), paddingLeft(), paddingRight());
- else {
- // We have a background image that spans multiple lines.
- // We need to adjust _tx and _ty by the width of all previous lines.
- // Think of background painting on inlines as though you had one long line, a single continuous
- // strip. Even though that strip has been broken up across multiple lines, you still paint it
- // as though you had one single line. This means each line has to pick up the background where
- // the previous line left off.
- // FIXME: What the heck do we do with RTL here? The math we're using is obviously not right,
- // but it isn't even clear how this should work at all.
- int xOffsetOnLine = 0;
- for (InlineRunBox* curr = prevLineBox(); curr; curr = curr->prevLineBox())
- xOffsetOnLine += curr->width();
- int startX = _tx - xOffsetOnLine;
- int totalWidth = xOffsetOnLine;
- for (InlineRunBox* curr = this; curr; curr = curr->nextLineBox())
- totalWidth += curr->width();
- p->save();
- p->addClip(IntRect(_tx, _ty, width(), height()));
- object()->paintBackgroundExtended(p, c, bgLayer, my, mh, startX, _ty,
- totalWidth, h, borderLeft(), borderRight(), paddingLeft(), paddingRight());
- p->restore();
- }
-}
-
-void InlineFlowBox::paintBackgroundAndBorder(RenderObject::PaintInfo& i, int _tx, int _ty)
-{
- if (!object()->shouldPaintWithinRoot(i) || object()->style()->visibility() != VISIBLE ||
- i.phase != PaintPhaseForeground)
- return;
-
- // Move x/y to our coordinates.
- _tx += m_x;
- _ty += m_y;
-
- int w = width();
- int h = height();
-
- int my = max(_ty, i.r.y());
- int mh;
- if (_ty < i.r.y())
- mh = max(0, h - (i.r.y() - _ty));
- else
- mh = min(i.r.height(), h);
-
- GraphicsContext* p = i.p;
-
- // You can use p::first-line to specify a background. If so, the root line boxes for
- // a line may actually have to paint a background.
- RenderStyle* styleToUse = object()->style(m_firstLine);
- if ((!parent() && m_firstLine && styleToUse != object()->style()) ||
- (parent() && object()->shouldPaintBackgroundOrBorder())) {
- Color c = styleToUse->backgroundColor();
- paintBackgrounds(p, c, styleToUse->backgroundLayers(), my, mh, _tx, _ty, w, h);
-
- // :first-line cannot be used to put borders on a line. Always paint borders with our
- // non-first-line style.
- if (parent() && object()->style()->hasBorder()) {
- CachedImage* borderImage = object()->style()->borderImage().image();
- bool hasBorderImage = borderImage && borderImage->canRender();
- if (hasBorderImage && !borderImage->isLoaded())
- return; // Don't paint anything while we wait for the image to load.
-
- // The simple case is where we either have no border image or we are the only box for this object. In those
- // cases only a single call to draw is required.
- if (!hasBorderImage || (!prevLineBox() && !nextLineBox()))
- object()->paintBorder(p, _tx, _ty, w, h, object()->style(), includeLeftEdge(), includeRightEdge());
- else {
- // We have a border image that spans multiple lines.
- // We need to adjust _tx and _ty by the width of all previous lines.
- // Think of border image painting on inlines as though you had one long line, a single continuous
- // strip. Even though that strip has been broken up across multiple lines, you still paint it
- // as though you had one single line. This means each line has to pick up the image where
- // the previous line left off.
- // FIXME: What the heck do we do with RTL here? The math we're using is obviously not right,
- // but it isn't even clear how this should work at all.
- int xOffsetOnLine = 0;
- for (InlineRunBox* curr = prevLineBox(); curr; curr = curr->prevLineBox())
- xOffsetOnLine += curr->width();
- int startX = _tx - xOffsetOnLine;
- int totalWidth = xOffsetOnLine;
- for (InlineRunBox* curr = this; curr; curr = curr->nextLineBox())
- totalWidth += curr->width();
- p->save();
- p->addClip(IntRect(_tx, _ty, width(), height()));
- object()->paintBorder(p, startX, _ty, totalWidth, h, object()->style());
- p->restore();
- }
- }
- }
-}
-
-static bool shouldDrawDecoration(RenderObject* obj)
-{
- for (RenderObject* curr = obj->firstChild(); curr; curr = curr->nextSibling()) {
- if (curr->isInlineFlow())
- return true;
- if (curr->isText() && !curr->isBR()) {
- if (!curr->style()->collapseWhiteSpace())
- return true;
- Node* currElement = curr->element();
- if (!currElement)
- return true;
- if (!currElement->isTextNode())
- return true;
- if (!static_cast<Text*>(currElement)->containsOnlyWhitespace())
- return true;
- }
- }
- return false;
-}
-
-void InlineFlowBox::paintDecorations(RenderObject::PaintInfo& i, int _tx, int _ty, bool paintedChildren)
-{
- // Paint text decorations like underlines/overlines. We only do this if we aren't in quirks mode (i.e., in
- // almost-strict mode or strict mode).
- if (object()->style()->htmlHacks() || !object()->shouldPaintWithinRoot(i) ||
- object()->style()->visibility() != VISIBLE)
- return;
-
- GraphicsContext* p = i.p;
- _tx += m_x;
- _ty += m_y;
- RenderStyle* styleToUse = object()->style(m_firstLine);
- int deco = parent() ? styleToUse->textDecoration() : styleToUse->textDecorationsInEffect();
- if (deco != TDNONE &&
- ((!paintedChildren && ((deco & UNDERLINE) || (deco & OVERLINE))) || (paintedChildren && (deco & LINE_THROUGH))) &&
- shouldDrawDecoration(object())) {
- int x = m_x + borderLeft() + paddingLeft();
- int w = m_width - (borderLeft() + paddingLeft() + borderRight() + paddingRight());
- RootInlineBox* rootLine = root();
- if (rootLine->ellipsisBox()) {
- int ellipsisX = rootLine->ellipsisBox()->xPos();
- int ellipsisWidth = rootLine->ellipsisBox()->width();
-
- // FIXME: Will need to work with RTL
- if (rootLine == this) {
- if (x + w >= ellipsisX + ellipsisWidth)
- w -= (x + w - ellipsisX - ellipsisWidth);
- }
- else {
- if (x >= ellipsisX)
- return;
- if (x + w >= ellipsisX)
- w -= (x + w - ellipsisX);
- }
- }
-
- // Set up the appropriate text-shadow effect for the decoration.
- // FIXME: Support multiple shadow effects. Need more from the CG API before we can do this.
- bool setShadow = false;
- if (styleToUse->textShadow()) {
- p->setShadow(IntSize(styleToUse->textShadow()->x, styleToUse->textShadow()->y),
- styleToUse->textShadow()->blur, styleToUse->textShadow()->color);
- setShadow = true;
- }
-
- // We must have child boxes and have decorations defined.
- _tx += borderLeft() + paddingLeft();
-
- Color underline, overline, linethrough;
- underline = overline = linethrough = styleToUse->color();
- if (!parent())
- object()->getTextDecorationColors(deco, underline, overline, linethrough);
-
- if (styleToUse->font() != p->font())
- p->setFont(styleToUse->font());
-
- bool isPrinting = object()->document()->printing();
- if (deco & UNDERLINE && !paintedChildren) {
- p->setPen(underline);
- p->drawLineForText(IntPoint(_tx, _ty), m_baseline, w, isPrinting);
- }
- if (deco & OVERLINE && !paintedChildren) {
- p->setPen(overline);
- p->drawLineForText(IntPoint(_tx, _ty), 0, w, isPrinting);
- }
- if (deco & LINE_THROUGH && paintedChildren) {
- p->setPen(linethrough);
- p->drawLineForText(IntPoint(_tx, _ty), 2*m_baseline/3, w, isPrinting);
- }
-
- if (setShadow)
- p->clearShadow();
- }
-}
-
-InlineBox* InlineFlowBox::firstLeafChild()
-{
- return firstLeafChildAfterBox();
-}
-
-InlineBox* InlineFlowBox::lastLeafChild()
-{
- return lastLeafChildBeforeBox();
-}
-
-InlineBox* InlineFlowBox::firstLeafChildAfterBox(InlineBox* start)
-{
- InlineBox* leaf = 0;
- for (InlineBox* box = start ? start->nextOnLine() : firstChild(); box && !leaf; box = box->nextOnLine())
- leaf = box->firstLeafChild();
- if (start && !leaf && parent())
- return parent()->firstLeafChildAfterBox(this);
- return leaf;
-}
-
-InlineBox* InlineFlowBox::lastLeafChildBeforeBox(InlineBox* start)
-{
- InlineBox* leaf = 0;
- for (InlineBox* box = start ? start->prevOnLine() : lastChild(); box && !leaf; box = box->prevOnLine())
- leaf = box->lastLeafChild();
- if (start && !leaf && parent())
- return parent()->lastLeafChildBeforeBox(this);
- return leaf;
-}
-
-RenderObject::SelectionState InlineFlowBox::selectionState()
-{
- return RenderObject::SelectionNone;
-}
-
-bool InlineFlowBox::canAccommodateEllipsis(bool ltr, int blockEdge, int ellipsisWidth)
-{
- for (InlineBox *box = firstChild(); box; box = box->nextOnLine()) {
- if (!box->canAccommodateEllipsis(ltr, blockEdge, ellipsisWidth))
- return false;
- }
- return true;
-}
-
-int InlineFlowBox::placeEllipsisBox(bool ltr, int blockEdge, int ellipsisWidth, bool& foundBox)
-{
- int result = -1;
- for (InlineBox *box = firstChild(); box; box = box->nextOnLine()) {
- int currResult = box->placeEllipsisBox(ltr, blockEdge, ellipsisWidth, foundBox);
- if (currResult != -1 && result == -1)
- result = currResult;
- }
- return result;
-}
-
-void InlineFlowBox::clearTruncation()
-{
- for (InlineBox *box = firstChild(); box; box = box->nextOnLine())
- box->clearTruncation();
-}
-
-void EllipsisBox::paint(RenderObject::PaintInfo& i, int _tx, int _ty)
-{
- GraphicsContext* p = i.p;
- RenderStyle* _style = m_firstLine ? m_object->firstLineStyle() : m_object->style();
- if (_style->font() != p->font())
- p->setFont(_style->font());
-
- Color textColor = _style->color();
- if (textColor != p->pen().color())
- p->setPen(textColor);
- bool setShadow = false;
- if (_style->textShadow()) {
- p->setShadow(IntSize(_style->textShadow()->x, _style->textShadow()->y),
- _style->textShadow()->blur, _style->textShadow()->color);
- setShadow = true;
- }
-
- const String& str = m_str;
- p->drawText(TextRun(str.impl()), IntPoint(m_x + _tx, m_y + _ty + m_baseline), TextStyle(0, 0, 0, false, _style->visuallyOrdered()));
-
- if (setShadow)
- p->clearShadow();
-
- if (m_markupBox) {
- // Paint the markup box
- _tx += m_x + m_width - m_markupBox->xPos();
- _ty += m_y + m_baseline - (m_markupBox->yPos() + m_markupBox->baseline());
- m_markupBox->paint(i, _tx, _ty);
- }
-}
-
-bool EllipsisBox::nodeAtPoint(RenderObject::NodeInfo& info, int x, int y, int tx, int ty)
-{
- tx += m_x;
- ty += m_y;
-
- // Hit test the markup box.
- if (m_markupBox) {
- int mtx = tx + m_width - m_markupBox->xPos();
- int mty = ty + m_baseline - (m_markupBox->yPos() + m_markupBox->baseline());
- if (m_markupBox->nodeAtPoint(info, x, y, mtx, mty)) {
- object()->setInnerNode(info);
- return true;
- }
- }
-
- if (object()->style()->visibility() == VISIBLE && IntRect(tx, ty, m_width, m_height).contains(x, y)) {
- object()->setInnerNode(info);
- return true;
- }
-
- return false;
-}
-
-void RootInlineBox::destroy(RenderArena* arena)
-{
- detachEllipsisBox(arena);
- InlineFlowBox::destroy(arena);
-}
-
-void RootInlineBox::detachEllipsisBox(RenderArena* arena)
-{
- if (m_ellipsisBox) {
- m_ellipsisBox->destroy(arena);
- m_ellipsisBox = 0;
- }
-}
-
-void RootInlineBox::clearTruncation()
-{
- if (m_ellipsisBox) {
- detachEllipsisBox(m_object->renderArena());
- InlineFlowBox::clearTruncation();
- }
-}
-
-bool RootInlineBox::canAccommodateEllipsis(bool ltr, int blockEdge, int lineBoxEdge, int ellipsisWidth)
-{
- // First sanity-check the unoverflowed width of the whole line to see if there is sufficient room.
- int delta = ltr ? lineBoxEdge - blockEdge : blockEdge - lineBoxEdge;
- if (width() - delta < ellipsisWidth)
- return false;
-
- // Next iterate over all the line boxes on the line. If we find a replaced element that intersects
- // then we refuse to accommodate the ellipsis. Otherwise we're ok.
- return InlineFlowBox::canAccommodateEllipsis(ltr, blockEdge, ellipsisWidth);
-}
-
-void RootInlineBox::placeEllipsis(const AtomicString& ellipsisStr, bool ltr, int blockEdge, int ellipsisWidth,
- InlineBox* markupBox)
-{
- // Create an ellipsis box.
- m_ellipsisBox = new (m_object->renderArena()) EllipsisBox(m_object, ellipsisStr, this,
- ellipsisWidth - (markupBox ? markupBox->width() : 0),
- yPos(), height(), baseline(), !prevRootBox(),
- markupBox);
-
- if (ltr && (xPos() + width() + ellipsisWidth) <= blockEdge) {
- m_ellipsisBox->m_x = xPos() + width();
- return;
- }
-
- // Now attempt to find the nearest glyph horizontally and place just to the right (or left in RTL)
- // of that glyph. Mark all of the objects that intersect the ellipsis box as not painting (as being
- // truncated).
- bool foundBox = false;
- m_ellipsisBox->m_x = placeEllipsisBox(ltr, blockEdge, ellipsisWidth, foundBox);
-}
-
-int RootInlineBox::placeEllipsisBox(bool ltr, int blockEdge, int ellipsisWidth, bool& foundBox)
-{
- int result = InlineFlowBox::placeEllipsisBox(ltr, blockEdge, ellipsisWidth, foundBox);
- if (result == -1)
- result = ltr ? blockEdge - ellipsisWidth : blockEdge;
- return result;
-}
-
-void RootInlineBox::paintEllipsisBox(RenderObject::PaintInfo& i, int _tx, int _ty) const
-{
- if (m_ellipsisBox && object()->shouldPaintWithinRoot(i) && object()->style()->visibility() == VISIBLE &&
- i.phase == PaintPhaseForeground)
- m_ellipsisBox->paint(i, _tx, _ty);
-}
-
-void RootInlineBox::paint(RenderObject::PaintInfo& i, int tx, int ty)
-{
- InlineFlowBox::paint(i, tx, ty);
- paintEllipsisBox(i, tx, ty);
-}
-
-bool RootInlineBox::nodeAtPoint(RenderObject::NodeInfo& i, int x, int y, int tx, int ty)
-{
- if (m_ellipsisBox && object()->style()->visibility() == VISIBLE) {
- if (m_ellipsisBox->nodeAtPoint(i, x, y, tx, ty)) {
- object()->setInnerNode(i);
- return true;
- }
- }
- return InlineFlowBox::nodeAtPoint(i, x, y, tx, ty);
-}
-
-void RootInlineBox::adjustPosition(int dx, int dy)
-{
- InlineFlowBox::adjustPosition(dx, dy);
- m_topOverflow += dy;
- m_bottomOverflow += dy;
- m_blockHeight += dy;
- m_selectionTop += dy;
- m_selectionBottom += dy;
-}
-
-void RootInlineBox::childRemoved(InlineBox* box)
-{
- if (box->object() == m_lineBreakObj)
- setLineBreakInfo(0, 0, 0, 0);
-
- RootInlineBox* prev = prevRootBox();
- if (prev && prev->lineBreakObj() == box->object()) {
- prev->setLineBreakInfo(0, 0, 0, 0);
- prev->markDirty();
- }
-}
-
-GapRects RootInlineBox::fillLineSelectionGap(int selTop, int selHeight, RenderBlock* rootBlock, int blockX, int blockY, int tx, int ty,
- const RenderObject::PaintInfo* i)
-{
- GapRects result;
- RenderObject::SelectionState lineState = selectionState();
-
- bool leftGap, rightGap;
- block()->getHorizontalSelectionGapInfo(lineState, leftGap, rightGap);
-
- InlineBox* firstBox = firstSelectedBox();
- InlineBox* lastBox = lastSelectedBox();
- if (leftGap)
- result.uniteLeft(block()->fillLeftSelectionGap(firstBox->parent()->object(),
- firstBox->xPos(), selTop, selHeight,
- rootBlock, blockX, blockY, tx, ty, i));
- if (rightGap)
- result.uniteRight(block()->fillRightSelectionGap(lastBox->parent()->object(),
- lastBox->xPos() + lastBox->width(), selTop, selHeight,
- rootBlock, blockX, blockY, tx, ty, i));
-
- if (firstBox && firstBox != lastBox) {
- // Now fill in any gaps on the line that occurred between two selected elements.
- int lastX = firstBox->xPos() + firstBox->width();
- for (InlineBox* box = firstBox->nextLeafChild(); box; box = box->nextLeafChild()) {
- if (box->selectionState() != RenderObject::SelectionNone) {
- result.uniteCenter(block()->fillHorizontalSelectionGap(box->parent()->object(),
- lastX + tx, selTop + ty,
- box->xPos() - lastX, selHeight, i));
- lastX = box->xPos() + box->width();
- }
- if (box == lastBox)
- break;
- }
- }
-
- return result;
-}
-
-void RootInlineBox::setHasSelectedChildren(bool b)
-{
- if (m_hasSelectedChildren == b)
- return;
- m_hasSelectedChildren = b;
-}
-
-RenderObject::SelectionState RootInlineBox::selectionState()
-{
- // Walk over all of the selected boxes.
- RenderObject::SelectionState state = RenderObject::SelectionNone;
- for (InlineBox* box = firstLeafChild(); box; box = box->nextLeafChild()) {
- RenderObject::SelectionState boxState = box->selectionState();
- if ((boxState == RenderObject::SelectionStart && state == RenderObject::SelectionEnd) ||
- (boxState == RenderObject::SelectionEnd && state == RenderObject::SelectionStart))
- state = RenderObject::SelectionBoth;
- else if (state == RenderObject::SelectionNone ||
- ((boxState == RenderObject::SelectionStart || boxState == RenderObject::SelectionEnd) &&
- (state == RenderObject::SelectionNone || state == RenderObject::SelectionInside)))
- state = boxState;
- if (state == RenderObject::SelectionBoth)
- break;
- }
-
- return state;
-}
-
-InlineBox* RootInlineBox::firstSelectedBox()
-{
- for (InlineBox* box = firstLeafChild(); box; box = box->nextLeafChild())
- if (box->selectionState() != RenderObject::SelectionNone)
- return box;
- return 0;
-}
-
-InlineBox* RootInlineBox::lastSelectedBox()
-{
- for (InlineBox* box = lastLeafChild(); box; box = box->prevLeafChild())
- if (box->selectionState() != RenderObject::SelectionNone)
- return box;
- return 0;
-}
-
-int RootInlineBox::selectionTop()
-{
- if (!prevRootBox())
- return m_selectionTop;
-
- int prevBottom = prevRootBox()->selectionBottom();
- if (prevBottom < m_selectionTop && block()->containsFloats()) {
- // This line has actually been moved further down, probably from a large line-height, but possibly because the
- // line was forced to clear floats. If so, let's check the offsets, and only be willing to use the previous
- // line's bottom overflow if the offsets are greater on both sides.
- int prevLeft = block()->leftOffset(prevBottom);
- int prevRight = block()->rightOffset(prevBottom);
- int newLeft = block()->leftOffset(m_selectionTop);
- int newRight = block()->rightOffset(m_selectionTop);
- if (prevLeft > newLeft || prevRight < newRight)
- return m_selectionTop;
- }
-
- return prevBottom;
-}
-
-RenderBlock* RootInlineBox::block() const
-{
- return static_cast<RenderBlock*>(m_object);
-}
-
-InlineBox* RootInlineBox::closestLeafChildForXPos(int _x, int _tx)
-{
- InlineBox *firstLeaf = firstLeafChildAfterBox();
- InlineBox *lastLeaf = lastLeafChildBeforeBox();
- if (firstLeaf == lastLeaf)
- return firstLeaf;
-
- // Avoid returning a list marker when possible.
- if (_x <= _tx + firstLeaf->m_x && !firstLeaf->object()->isListMarker())
- // The x coordinate is less or equal to left edge of the firstLeaf.
- // Return it.
- return firstLeaf;
-
- if (_x >= _tx + lastLeaf->m_x + lastLeaf->m_width && !lastLeaf->object()->isListMarker())
- // The x coordinate is greater or equal to right edge of the lastLeaf.
- // Return it.
- return lastLeaf;
-
- for (InlineBox *leaf = firstLeaf; leaf && leaf != lastLeaf; leaf = leaf->nextLeafChild()) {
- if (!leaf->object()->isListMarker()) {
- int leafX = _tx + leaf->m_x;
- if (_x < leafX + leaf->m_width)
- // The x coordinate is less than the right edge of the box.
- // Return it.
- return leaf;
- }
- }
-
- return lastLeaf;
-}
-
-void RootInlineBox::setLineBreakInfo(RenderObject* obj, unsigned breakPos, BidiStatus* status, BidiContext* context)
-{
- m_lineBreakObj = obj;
- m_lineBreakPos = breakPos;
- m_lineBreakContext = context;
- if (status)
- m_lineBreakBidiStatus = *status;
-}
-
-}
-
-#ifndef NDEBUG
-
-void showTree(const WebCore::InlineBox* b)
-{
- if (b)
- b->showTreeForThis();
-}
-
-#endif
git://git.webkit.org / WebKit-https.git / commitdiff