void InlineTextBox::paintSelection(GraphicsContext* context, int tx, int ty, RenderStyle* style, const Font*)
{
// See if we have a selection to paint at all.
int sPos, ePos;
selectionStartEnd(sPos, ePos);
if (sPos >= ePos)
return;
Color textColor = style->color();
Color c = object()->selectionBackgroundColor();
if (!c.isValid() || c.alpha() == 0)
return;
// If the text color ends up being the same as the selection background, invert the selection
// background. This should basically never happen, since the selection has transparency.
if (textColor == c)
c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());
context->save();
updateGraphicsContext(context, c, c, 0); // Don't draw text at all!
int y = selectionTop();
int h = selectionHeight();
context->clip(IntRect(m_x + tx, y + ty, m_width, h));
context->drawHighlightForText(TextRun(textObject()->text()->characters() + m_start, m_len, textObject()->allowTabs(), textPos(), m_toAdd, direction() == RTL, m_dirOverride || style->visuallyOrdered()),
IntPoint(m_x + tx, y + ty), h, c, sPos, ePos);
context->restore();
}
void SVGInlineTextBox::paintSelectionBackground(PaintInfo& paintInfo)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(truncation() == cNoTruncation);
if (renderer()->style()->visibility() != VISIBLE)
return;
RenderObject* parentRenderer = parent()->renderer();
ASSERT(parentRenderer);
ASSERT(!parentRenderer->document().printing());
// Determine whether or not we're selected.
bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
bool hasSelection = selectionState() != RenderObject::SelectionNone;
if (!hasSelection || paintSelectedTextOnly)
return;
Color backgroundColor = renderer()->selectionBackgroundColor();
if (!backgroundColor.alpha())
return;
RenderSVGInlineText* textRenderer = toRenderSVGInlineText(this->textRenderer());
ASSERT(textRenderer);
if (!textShouldBePainted(textRenderer))
return;
RenderStyle* style = parentRenderer->style();
ASSERT(style);
int startPosition, endPosition;
selectionStartEnd(startPosition, endPosition);
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
GraphicsContextStateSaver stateSaver(*paintInfo.context);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
paintInfo.context->concatCTM(fragmentTransform);
paintInfo.context->setFillColor(backgroundColor);
paintInfo.context->fillRect(selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style), backgroundColor);
m_paintingResourceMode = ApplyToDefaultMode;
}
ASSERT(!m_paintingResource);
}
IntRect RenderSVGInlineText::selectionRect(bool)
{
ASSERT(!needsLayout());
IntRect rect;
if (selectionState() == SelectionNone)
return rect;
// Early exit if we're ie. a <text> within a <defs> section.
if (isChildOfHiddenContainer(this))
return rect;
// Now calculate startPos and endPos for painting selection.
// We include a selection while endPos > 0
int startPos, endPos;
if (selectionState() == SelectionInside) {
// We are fully selected.
startPos = 0;
endPos = textLength();
} else {
selectionStartEnd(startPos, endPos);
if (selectionState() == SelectionStart)
endPos = textLength();
else if (selectionState() == SelectionEnd)
startPos = 0;
}
if (startPos == endPos)
return rect;
return computeAbsoluteRectForRange(startPos, endPos);
}
IntRect RenderSVGInlineText::selectionRectForRepaint(RenderBoxModelObject* repaintContainer, bool /*clipToVisibleContent*/)
{
ASSERT(!needsLayout());
if (selectionState() == SelectionNone)
return IntRect();
// Early exit if we're ie. a <text> within a <defs> section.
if (isChildOfHiddenContainer(this))
return IntRect();
// Now calculate startPos and endPos for painting selection.
// We include a selection while endPos > 0
int startPos, endPos;
if (selectionState() == SelectionInside) {
// We are fully selected.
startPos = 0;
endPos = textLength();
} else {
selectionStartEnd(startPos, endPos);
if (selectionState() == SelectionStart)
endPos = textLength();
else if (selectionState() == SelectionEnd)
startPos = 0;
}
if (startPos == endPos)
return IntRect();
return computeRepaintRectForRange(repaintContainer, startPos, endPos);
}
SelectionState InlineTextBox::getSelectionState() const {
SelectionState state = getLineLayoutItem().getSelectionState();
if (state == SelectionStart || state == SelectionEnd ||
state == SelectionBoth) {
int startPos, endPos;
getLineLayoutItem().selectionStartEnd(startPos, endPos);
// The position after a hard line break is considered to be past its end.
// See the corresponding code in InlineTextBox::isSelected.
int lastSelectable = start() + len() - (isLineBreak() ? 1 : 0);
// FIXME: Remove -webkit-line-break: LineBreakAfterWhiteSpace.
int endOfLineAdjustmentForCSSLineBreak =
getLineLayoutItem().style()->getLineBreak() == LineBreakAfterWhiteSpace
? -1
: 0;
bool start =
(state != SelectionEnd && startPos >= m_start &&
startPos <= m_start + m_len + endOfLineAdjustmentForCSSLineBreak);
bool end = (state != SelectionStart && endPos > m_start &&
endPos <= lastSelectable);
if (start && end)
state = SelectionBoth;
else if (start)
state = SelectionStart;
else if (end)
state = SelectionEnd;
else if ((state == SelectionEnd || startPos < m_start) &&
(state == SelectionStart || endPos > lastSelectable))
state = SelectionInside;
else if (state == SelectionBoth)
state = SelectionNone;
}
// If there are ellipsis following, make sure their selection is updated.
if (m_truncation != cNoTruncation && root().ellipsisBox()) {
EllipsisBox* ellipsis = root().ellipsisBox();
if (state != SelectionNone) {
int start, end;
selectionStartEnd(start, end);
// The ellipsis should be considered to be selected if the end of the
// selection is past the beginning of the truncation and the beginning of
// the selection is before or at the beginning of the truncation.
ellipsis->setSelectionState(end >= m_truncation && start <= m_truncation
? SelectionInside
: SelectionNone);
} else {
ellipsis->setSelectionState(SelectionNone);
}
}
return state;
}
bool RenderReplaced::isSelected() const
{
SelectionState s = selectionState();
if (s == SelectionNone)
return false;
if (s == SelectionInside)
return true;
int selectionStart, selectionEnd;
selectionStartEnd(selectionStart, selectionEnd);
if (s == SelectionStart)
return selectionStart == 0;
int end = element()->hasChildNodes() ? element()->countChildNodes() : 1;
if (s == SelectionEnd)
return selectionEnd == end;
if (s == SelectionBoth)
return selectionStart == 0 && selectionEnd == end;
ASSERT(0);
return false;
}
void SVGInlineTextBox::paintText(GraphicsContext* context, RenderStyle* style, RenderStyle* selectionStyle, const SVGTextFragment& fragment, bool hasSelection, bool paintSelectedTextOnly)
{
ASSERT(style);
ASSERT(selectionStyle);
int startPosition = 0;
int endPosition = 0;
if (hasSelection) {
selectionStartEnd(startPosition, endPosition);
hasSelection = mapStartEndPositionsIntoFragmentCoordinates(fragment, startPosition, endPosition);
}
// Fast path if there is no selection, just draw the whole chunk part using the regular style
TextRun textRun = constructTextRun(style, fragment);
if (!hasSelection || startPosition >= endPosition) {
paintTextWithShadows(context, style, textRun, fragment, 0, fragment.length);
return;
}
// Eventually draw text using regular style until the start position of the selection
if (startPosition > 0 && !paintSelectedTextOnly)
paintTextWithShadows(context, style, textRun, fragment, 0, startPosition);
// Draw text using selection style from the start to the end position of the selection
if (style != selectionStyle)
SVGResourcesCache::clientStyleChanged(parent()->renderer(), StyleDifferenceRepaint, selectionStyle);
TextRun selectionTextRun = constructTextRun(selectionStyle, fragment);
paintTextWithShadows(context, selectionStyle, textRun, fragment, startPosition, endPosition);
if (style != selectionStyle)
SVGResourcesCache::clientStyleChanged(parent()->renderer(), StyleDifferenceRepaint, style);
// Eventually draw text using regular style from the end position of the selection to the end of the current chunk part
if (endPosition < static_cast<int>(fragment.length) && !paintSelectedTextOnly)
paintTextWithShadows(context, style, textRun, fragment, endPosition, fragment.length);
}
void SVGInlineTextBox::paintSelectionBackground(PaintInfo& paintInfo)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(truncation() == cNoTruncation);
if (renderer()->style()->visibility() != VISIBLE)
return;
RenderObject* parentRenderer = parent()->renderer();
ASSERT(parentRenderer);
ASSERT(!parentRenderer->document()->printing());
// Determine whether or not we're selected.
bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
bool hasSelection = selectionState() != RenderObject::SelectionNone;
if (!hasSelection || paintSelectedTextOnly)
return;
Color backgroundColor = renderer()->selectionBackgroundColor();
if (!backgroundColor.isValid() || !backgroundColor.alpha())
return;
RenderStyle* style = parentRenderer->style();
ASSERT(style);
const SVGRenderStyle* svgStyle = style->svgStyle();
ASSERT(svgStyle);
bool hasFill = svgStyle->hasFill();
bool hasStroke = svgStyle->hasStroke();
RenderStyle* selectionStyle = style;
if (hasSelection) {
selectionStyle = parentRenderer->getCachedPseudoStyle(SELECTION);
if (selectionStyle) {
const SVGRenderStyle* svgSelectionStyle = selectionStyle->svgStyle();
ASSERT(svgSelectionStyle);
if (!hasFill)
hasFill = svgSelectionStyle->hasFill();
if (!hasStroke)
hasStroke = svgSelectionStyle->hasStroke();
} else
selectionStyle = style;
}
int startPosition, endPosition;
selectionStartEnd(startPosition, endPosition);
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
paintInfo.context->save();
if (!fragment.transform.isIdentity())
paintInfo.context->concatCTM(fragment.transform);
paintInfo.context->setFillColor(backgroundColor, style->colorSpace());
paintInfo.context->fillRect(selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style), backgroundColor, style->colorSpace());
m_paintingResourceMode = ApplyToDefaultMode;
paintInfo.context->restore();
}
ASSERT(!m_paintingResource);
}
void InlineTextBox::paint(RenderObject::PaintInfo& paintInfo, int tx, int ty)
{
if (isLineBreak() || !object()->shouldPaintWithinRoot(paintInfo) || object()->style()->visibility() != VISIBLE ||
m_truncation == cFullTruncation || paintInfo.phase == PaintPhaseOutline)
return;
ASSERT(paintInfo.phase != PaintPhaseSelfOutline && paintInfo.phase != PaintPhaseChildOutlines);
int xPos = tx + m_x - parent()->maxHorizontalVisualOverflow();
int w = width() + 2 * parent()->maxHorizontalVisualOverflow();
if (xPos >= paintInfo.rect.right() || xPos + w <= paintInfo.rect.x())
return;
bool isPrinting = textObject()->document()->printing();
// Determine whether or not we're selected.
bool haveSelection = !isPrinting && paintInfo.phase != PaintPhaseTextClip && selectionState() != RenderObject::SelectionNone;
if (!haveSelection && paintInfo.phase == PaintPhaseSelection)
// When only painting the selection, don't bother to paint if there is none.
return;
GraphicsContext* context = paintInfo.context;
// Determine whether or not we have composition underlines to draw.
bool containsComposition = object()->document()->frame()->editor()->compositionNode() == object()->node();
bool useCustomUnderlines = containsComposition && object()->document()->frame()->editor()->compositionUsesCustomUnderlines();
// Set our font.
RenderStyle* styleToUse = object()->style(m_firstLine);
int d = styleToUse->textDecorationsInEffect();
const Font* font = &styleToUse->font();
if (*font != context->font())
context->setFont(*font);
// 1. Paint backgrounds behind text if needed. Examples of such backgrounds include selection
// and composition underlines.
if (paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseTextClip && !isPrinting) {
#if PLATFORM(MAC)
// Custom highlighters go behind everything else.
if (styleToUse->highlight() != nullAtom && !context->paintingDisabled())
paintCustomHighlight(tx, ty, styleToUse->highlight());
#endif
if (containsComposition && !useCustomUnderlines)
paintCompositionBackground(context, tx, ty, styleToUse, font,
object()->document()->frame()->editor()->compositionStart(),
object()->document()->frame()->editor()->compositionEnd());
paintDocumentMarkers(context, tx, ty, styleToUse, font, true);
if (haveSelection && !useCustomUnderlines)
paintSelection(context, tx, ty, styleToUse, font);
}
// 2. Now paint the foreground, including text and decorations like underline/overline (in quirks mode only).
if (m_len <= 0)
return;
Color textFillColor;
Color textStrokeColor;
float textStrokeWidth = styleToUse->textStrokeWidth();
ShadowData* textShadow = paintInfo.forceBlackText ? 0 : styleToUse->textShadow();
if (paintInfo.forceBlackText) {
textFillColor = Color::black;
textStrokeColor = Color::black;
} else {
textFillColor = styleToUse->textFillColor();
if (!textFillColor.isValid())
textFillColor = styleToUse->color();
// Make the text fill color legible against a white background
if (styleToUse->forceBackgroundsToWhite())
textFillColor = correctedTextColor(textFillColor, Color::white);
textStrokeColor = styleToUse->textStrokeColor();
if (!textStrokeColor.isValid())
textStrokeColor = styleToUse->color();
// Make the text stroke color legible against a white background
if (styleToUse->forceBackgroundsToWhite())
textStrokeColor = correctedTextColor(textStrokeColor, Color::white);
}
bool paintSelectedTextOnly = (paintInfo.phase == PaintPhaseSelection);
bool paintSelectedTextSeparately = false;
Color selectionFillColor = textFillColor;
Color selectionStrokeColor = textStrokeColor;
float selectionStrokeWidth = textStrokeWidth;
ShadowData* selectionShadow = textShadow;
if (haveSelection) {
// Check foreground color first.
Color foreground = paintInfo.forceBlackText ? Color::black : object()->selectionForegroundColor();
if (foreground.isValid() && foreground != selectionFillColor) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionFillColor = foreground;
}
if (RenderStyle* pseudoStyle = object()->getCachedPseudoStyle(RenderStyle::SELECTION)) {
ShadowData* shadow = paintInfo.forceBlackText ? 0 : pseudoStyle->textShadow();
if (shadow != selectionShadow) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionShadow = shadow;
}
float strokeWidth = pseudoStyle->textStrokeWidth();
if (strokeWidth != selectionStrokeWidth) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionStrokeWidth = strokeWidth;
}
Color stroke = paintInfo.forceBlackText ? Color::black : pseudoStyle->textStrokeColor();
if (!stroke.isValid())
stroke = pseudoStyle->color();
if (stroke != selectionStrokeColor) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionStrokeColor = stroke;
}
}
}
IntPoint textOrigin(m_x + tx, m_y + ty + m_baseline);
TextRun textRun(textObject()->text()->characters() + m_start, m_len, textObject()->allowTabs(), textPos(), m_toAdd, direction() == RTL, m_dirOverride || styleToUse->visuallyOrdered());
int sPos = 0;
int ePos = 0;
if (paintSelectedTextOnly || paintSelectedTextSeparately)
selectionStartEnd(sPos, ePos);
if (!paintSelectedTextOnly) {
// For stroked painting, we have to change the text drawing mode. It's probably dangerous to leave that mutated as a side
// effect, so only when we know we're stroking, do a save/restore.
if (textStrokeWidth > 0)
context->save();
updateGraphicsContext(context, textFillColor, textStrokeColor, textStrokeWidth);
if (!paintSelectedTextSeparately || ePos <= sPos) {
// FIXME: Truncate right-to-left text correctly.
paintTextWithShadows(context, textRun, 0, m_truncation == cNoTruncation ? m_len : m_truncation, textOrigin, m_x + tx, m_y + ty, width(), height(), textShadow, textStrokeWidth > 0);
} else
paintTextWithShadows(context, textRun, ePos, sPos, textOrigin, m_x + tx, m_y + ty, width(), height(), textShadow, textStrokeWidth > 0);
if (textStrokeWidth > 0)
context->restore();
}
if ((paintSelectedTextOnly || paintSelectedTextSeparately) && sPos < ePos) {
// paint only the text that is selected
if (selectionStrokeWidth > 0)
context->save();
updateGraphicsContext(context, selectionFillColor, selectionStrokeColor, selectionStrokeWidth);
paintTextWithShadows(context, textRun, sPos, ePos, textOrigin, m_x + tx, m_y + ty, width(), height(), selectionShadow, selectionStrokeWidth > 0);
if (selectionStrokeWidth > 0)
context->restore();
}
// Paint decorations
if (d != TDNONE && paintInfo.phase != PaintPhaseSelection && styleToUse->htmlHacks()) {
context->setStrokeColor(styleToUse->color());
paintDecoration(context, tx, ty, d, textShadow);
}
if (paintInfo.phase == PaintPhaseForeground) {
paintDocumentMarkers(context, tx, ty, styleToUse, font, false);
if (useCustomUnderlines) {
const Vector<CompositionUnderline>& underlines = object()->document()->frame()->editor()->customCompositionUnderlines();
size_t numUnderlines = underlines.size();
for (size_t index = 0; index < numUnderlines; ++index) {
const CompositionUnderline& underline = underlines[index];
if (underline.endOffset <= start())
// underline is completely before this run. This might be an underline that sits
// before the first run we draw, or underlines that were within runs we skipped
// due to truncation.
continue;
if (underline.startOffset <= end()) {
// underline intersects this run. Paint it.
paintCompositionUnderline(context, tx, ty, underline);
if (underline.endOffset > end() + 1)
// underline also runs into the next run. Bail now, no more marker advancement.
break;
} else
// underline is completely after this run, bail. A later run will paint it.
break;
}
}
}
}
