bool BookTextView::getHyperlinkInfo(const ZLTextElementRectangle &rectangle, std::string &id, ZLHyperlinkType &type) const {
if ((rectangle.Kind != ZLTextElement::WORD_ELEMENT) &&
(rectangle.Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = textArea().startCursor();
cursor.moveToParagraph(rectangle.ParagraphIndex);
cursor.moveToParagraphStart();
ZLTextKind hyperlinkKind = REGULAR;
for (int i = 0; i < rectangle.ElementIndex; ++i) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
type = ((const ZLTextHyperlinkControlEntry&)control).hyperlinkType();
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
return hyperlinkKind != REGULAR;
}
bool BookTextView::getHyperlinkId(const ZLTextElementArea &area, std::string &id, bool &isExternal) const {
if ((area.Kind != ZLTextElement::WORD_ELEMENT) &&
(area.Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(area.ParagraphNumber);
cursor.moveToParagraphStart();
ZLTextKind hyperlinkKind = REGULAR;
for (int i = 0; i < area.TextElementNumber; ++i) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
isExternal = hyperlinkKind == EXTERNAL_HYPERLINK;
return hyperlinkKind != REGULAR;
}
bool ZLTextArea::_getHyperlinkInfo(const ZLTextElementRectangle &rectangle, std::string &id, std::string &type, ZLTextKind& hyperlinkKind, int& x1, int&y1, int& x2, int& y2) const {
if ((rectangle.Kind != ZLTextElement::WORD_ELEMENT) &&
(rectangle.Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(rectangle.ParagraphIndex);
cursor.moveToParagraphStart();
hyperlinkKind = REGULAR;
for (int i = 0; i < rectangle.ElementIndex; ++i) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
type = ((const ZLTextHyperlinkControlEntry&)control).hyperlinkType();
x1 = rectangle.XStart;
y1 = rectangle.YStart;
x2 = rectangle.XEnd;
y2 = rectangle.YEnd;
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
return hyperlinkKind != REGULAR;
}
// Added by John to enable caller to get text from current visible page.
void ZLTextSelectionModel::text(std::string & text, int max)
{
text.clear();
ZLTextWordCursor start = myView.startCursor();
ZLTextWordCursor end = myView.endCursor();
ZLTextWordCursor cursor = start;
while (cursor < end)
{
if (cursor.isEndOfParagraph())
{
cursor.nextParagraph();
continue;
}
const ZLTextElement &element = cursor.element();
switch (element.kind())
{
case ZLTextElement::WORD_ELEMENT:
{
const ZLTextWord &word = (const ZLTextWord&)element;
if (cursor.sameElementAs(end))
{
if (start.sameElementAs(end))
{
int skip = ZLUnicodeUtil::length(word.Data, start.charIndex());
int length = ZLUnicodeUtil::length(word.Data, end.charIndex()) - skip;
text.append(word.Data + skip, length);
}
else
{
text.append(word.Data, ZLUnicodeUtil::length(word.Data, end.charIndex()));
}
}
else if (cursor.charIndex() == 0)
{
text.append(word.Data, word.Size);
}
else /* cursor == start */
{
int skip = ZLUnicodeUtil::length(word.Data, cursor.charIndex());
text.append(word.Data + skip, word.Size - skip);
}
}
break;
case ZLTextElement::HSPACE_ELEMENT:
case ZLTextElement::NB_HSPACE_ELEMENT:
{
text += ' ';
}
break;
}
cursor.nextWord();
if (text.size() >= max)
{
return;
}
}
}
void ZLTextView::ViewStyle::applyControls(const ZLTextWordCursor &begin, const ZLTextWordCursor &end) {
for (ZLTextWordCursor cursor = begin; !cursor.equalWordNumber(end); cursor.nextWord()) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
applyControl((ZLTextControlElement&)element);
} else if (element.kind() == ZLTextElement::FORCED_CONTROL_ELEMENT) {
applyControl((ZLTextForcedControlElement&)element);
}
}
}
std::string BookTextView::getFirstInternalHyperlinkId(int x0, int y0, int x1, int y1) {
std::string id;
std::string type;
const ZLTextElementArea * area = elementByCoordinates(x0, y0);
const ZLTextElementArea * stop_area = elementByCoordinates(x1, y1);
if ( !area || ((area->Kind != ZLTextElement::WORD_ELEMENT) &&
(area->Kind != ZLTextElement::IMAGE_ELEMENT))) {
return id;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(area->ParagraphIndex);
int paragraphs = area->ParagraphIndex;
int end_paragraphs = stop_area ? stop_area->ParagraphIndex : 0;
do
{
cursor.moveToParagraphStart();
ZLTextKind hyperlinkKind = REGULAR;
for ( ; !cursor.isEndOfParagraph();) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
type = ((const ZLTextHyperlinkControlEntry&)control).hyperlinkType();
if (type == "internal")
{
return id;
}
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
} while( ++paragraphs <= end_paragraphs && cursor.nextParagraph());
return std::string();
}
void ZLTextView::prepareTextLine(const ZLTextLineInfo &info, int y) {
y = std::min(y + info.Height, topMargin() + textAreaHeight());
myStyle.setTextStyle(info.StartStyle, info.StartBidiLevel);
int spaceCounter = info.SpaceCounter;
int fullCorrection = 0;
const bool endOfParagraph = info.End.isEndOfParagraph();
bool wordOccured = false;
int x = lineStartMargin() + info.StartIndent;
const int fontSize = myStyle.textStyle()->fontSize();
// TODO: change metrics at font change
const ZLTextStyleEntry::Metrics metrics(fontSize, fontSize / 2, viewWidth(), textAreaHeight());
switch (myStyle.textStyle()->alignment()) {
case ALIGN_RIGHT:
if (!myStyle.baseIsRtl()) {
x += metrics.FullWidth - myStyle.textStyle()->lineEndIndent(metrics, myStyle.baseIsRtl()) - info.Width;
}
break;
case ALIGN_LEFT:
if (myStyle.baseIsRtl()) {
x += metrics.FullWidth - myStyle.textStyle()->lineEndIndent(metrics, myStyle.baseIsRtl()) - info.Width;
}
break;
case ALIGN_LINESTART:
break;
case ALIGN_CENTER:
x += (metrics.FullWidth - myStyle.textStyle()->lineEndIndent(metrics, myStyle.baseIsRtl()) - info.Width) / 2;
break;
case ALIGN_JUSTIFY:
if (!endOfParagraph && (info.End.element().kind() != ZLTextElement::AFTER_PARAGRAPH_ELEMENT)) {
fullCorrection = metrics.FullWidth - myStyle.textStyle()->lineEndIndent(metrics, myStyle.baseIsRtl()) - info.Width;
}
break;
case ALIGN_UNDEFINED:
break;
}
const ZLTextParagraphCursor ¶graph = info.RealStart.paragraphCursor();
int paragraphIndex = paragraph.index();
for (ZLTextWordCursor pos = info.RealStart; !pos.equalElementIndex(info.End); pos.nextWord()) {
const ZLTextElement &element = paragraph[pos.elementIndex()];
ZLTextElement::Kind kind = element.kind();
int width = myStyle.elementWidth(element, pos.charIndex(), metrics);
myStyle.applySingleControl(element);
switch (kind) {
case ZLTextElement::WORD_ELEMENT:
case ZLTextElement::IMAGE_ELEMENT:
{
const int height = myStyle.elementHeight(element, metrics);
const int descent = myStyle.elementDescent(element);
const int length = (kind == ZLTextElement::WORD_ELEMENT) ? ((const ZLTextWord&)element).Length - pos.charIndex() : 0;
addAreaToTextMap(
ZLTextElementArea(
paragraphIndex, pos.elementIndex(), pos.charIndex(), length, false,
myStyle.textStyle(), kind,
x, x + width - 1, y - height + 1, y + descent, myStyle.bidiLevel()
)
);
wordOccured = true;
break;
}
case ZLTextElement::CONTROL_ELEMENT:
case ZLTextElement::FORCED_CONTROL_ELEMENT:
break;
case ZLTextElement::HSPACE_ELEMENT:
case ZLTextElement::NB_HSPACE_ELEMENT:
if (wordOccured && (spaceCounter > 0)) {
int correction = fullCorrection / spaceCounter;
x += context().spaceWidth() + correction;
fullCorrection -= correction;
wordOccured = false;
--spaceCounter;
}
break;
case ZLTextElement::INDENT_ELEMENT:
case ZLTextElement::BEFORE_PARAGRAPH_ELEMENT:
case ZLTextElement::AFTER_PARAGRAPH_ELEMENT:
case ZLTextElement::EMPTY_LINE_ELEMENT:
case ZLTextElement::FIXED_HSPACE_ELEMENT:
break;
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
//context().setColor(ZLColor(0, 255, 0));
//context().drawLine(visualX(x), y, visualX(x), y - 20);
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
flushRevertedElements(myStyle.bidiLevel());
//context().setColor(ZLColor(255, 0, 0));
//context().drawLine(visualX(x), y, visualX(x), y - 20);
break;
}
x += width;
}
if (!endOfParagraph && (info.End.element().kind() == ZLTextElement::WORD_ELEMENT)) {
int start = 0;
if (info.End.equalElementIndex(info.RealStart)) {
start = info.RealStart.charIndex();
}
const int len = info.End.charIndex() - start;
if (len > 0) {
const ZLTextWord &word = (const ZLTextWord&)info.End.element();
ZLUnicodeUtil::Ucs4String ucs4string;
ZLUnicodeUtil::utf8ToUcs4(ucs4string, word.Data, word.Size);
const bool addHyphenationSign = ucs4string[start + len - 1] != '-';
const int width = myStyle.wordWidth(word, start, len, addHyphenationSign);
const int height = myStyle.elementHeight(word, metrics);
const int descent = myStyle.elementDescent(word);
addAreaToTextMap(
ZLTextElementArea(
paragraphIndex, info.End.elementIndex(), start, len, addHyphenationSign,
myStyle.textStyle(), ZLTextElement::WORD_ELEMENT,
x, x + width - 1, y - height + 1, y + descent, word.BidiLevel
)
);
}
}
for (unsigned char i = myStyle.bidiLevel(); i > myStyle.baseBidiLevel(); --i) {
flushRevertedElements(i - 1);
}
}
void ZLTextSelectionModel::createData() const {
if (!myTextIsUpToDate && !isEmpty()) {
Range r = internalRange();
ZLTextWordCursor start = myArea.startCursor();
start.moveToParagraph(r.first.ParagraphIndex);
start.moveTo(r.first.ElementIndex, r.first.CharIndex);
ZLTextWordCursor end = myArea.startCursor();
end.moveToParagraph(r.second.ParagraphIndex);
end.moveTo(r.second.ElementIndex, r.second.CharIndex);
std::set<ZLTextParagraphCursorPtr> pcursors;
pcursors.insert(start.paragraphCursorPtr());
ZLTextWordCursor cursor = start;
while (cursor < end) {
if (cursor.isEndOfParagraph()) {
cursor.nextParagraph();
pcursors.insert(cursor.paragraphCursorPtr());
myText.append(ZLibrary::EndOfLine);
continue;
}
const ZLTextElement &element = cursor.element();
switch (element.kind()) {
case ZLTextElement::WORD_ELEMENT:
{
const ZLTextWord &word = (const ZLTextWord&)element;
if (cursor.sameElementAs(end)) {
if (start.sameElementAs(end)) {
int skip = ZLUnicodeUtil::length(word.Data, start.charIndex());
int length = ZLUnicodeUtil::length(word.Data, end.charIndex()) - skip;
myText.append(word.Data + skip, length);
} else {
myText.append(word.Data, ZLUnicodeUtil::length(word.Data, end.charIndex()));
}
} else if (cursor.charIndex() == 0) {
myText.append(word.Data, word.Size);
} else /* cursor == start */ {
int skip = ZLUnicodeUtil::length(word.Data, cursor.charIndex());
myText.append(word.Data + skip, word.Size - skip);
}
break;
}
case ZLTextElement::IMAGE_ELEMENT:
if (myImage.isNull()) {
myImage = ((const ZLTextImageElement&)element).image();
}
break;
case ZLTextElement::HSPACE_ELEMENT:
case ZLTextElement::NB_HSPACE_ELEMENT:
myText += ' ';
break;
default:
break;
}
cursor.nextWord();
}
if ((cursor == end) && !cursor.isEndOfParagraph() && myImage.isNull()) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::IMAGE_ELEMENT) {
myImage = ((const ZLTextImageElement&)element).image();
}
}
myCursors.swap(pcursors);
myTextIsUpToDate = true;
}
}
const std::vector<ZLTextSelectionModel::Range> &ZLTextSelectionModel::ranges() const {
if (!myRangeVectorIsUpToDate && !isEmpty()) {
Range r = internalRange();
ZLTextWordCursor cursor = myArea.startCursor();
cursor.moveToParagraph(r.first.ParagraphIndex);
cursor.moveToParagraphStart();
int startLevel = 0;
for (int i = r.first.ElementIndex; i > 0; --i) {
switch (cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
++startLevel;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
--startLevel;
break;
default:
break;
}
cursor.nextWord();
}
cursor.moveToParagraph(r.second.ParagraphIndex);
cursor.moveToParagraphEnd();
int endLevel = 0;
for (int i = cursor.elementIndex() - r.second.ElementIndex; i > 0; --i) {
cursor.previousWord();
switch (cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
--endLevel;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
++endLevel;
break;
default:
break;
}
}
if ((startLevel == 0) && (endLevel == 0)) {
myRanges.push_back(r);
} else if (r.first.ParagraphIndex == r.second.ParagraphIndex) {
BoundElement leftBound = r.first;
BoundElement rightBound;
rightBound.Exists = true;
rightBound.ParagraphIndex = leftBound.ParagraphIndex;
rightBound.CharIndex = 0;
cursor.moveTo(r.first.ElementIndex, 0);
for (int i = r.first.ElementIndex; i < r.second.ElementIndex; ++i) {
ZLTextElement::Kind kind = cursor.element().kind();
if ((kind == ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT) ||
(kind == ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT)) {
rightBound.ElementIndex = i;
myRanges.push_back(Range(leftBound, rightBound));
leftBound = rightBound;
}
cursor.nextWord();
}
myRanges.push_back(Range(leftBound, r.second));
} else {
BoundElement leftBound = r.first;
if (startLevel > 0) {
BoundElement rightBound;
rightBound.Exists = true;
rightBound.ParagraphIndex = leftBound.ParagraphIndex;
rightBound.ElementIndex = leftBound.ElementIndex;
rightBound.CharIndex = 0;
cursor.moveToParagraph(r.first.ParagraphIndex);
cursor.moveTo(r.first.ElementIndex, 0);
while (startLevel > 0) {
switch(cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
++startLevel;
rightBound.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound, rightBound));
leftBound = rightBound;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
--startLevel;
rightBound.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound, rightBound));
leftBound = rightBound;
break;
default:
break;
}
cursor.nextWord();
}
}
BoundElement rightBound1 = r.second;
if (endLevel > 0) {
BoundElement leftBound1;
leftBound1.Exists = true;
leftBound1.ParagraphIndex = rightBound1.ParagraphIndex;
leftBound1.ElementIndex = rightBound1.ElementIndex;
leftBound1.CharIndex = 0;
cursor.moveToParagraph(r.second.ParagraphIndex);
cursor.moveTo(r.second.ElementIndex, 0);
while (endLevel > 0) {
switch(cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
--endLevel;
leftBound1.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound1, rightBound1));
rightBound1 = leftBound1;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
++endLevel;
rightBound1.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound1, rightBound1));
rightBound1 = leftBound1;
break;
default:
break;
}
cursor.previousWord();
}
}
myRanges.push_back(Range(leftBound, rightBound1));
}
myRangeVectorIsUpToDate = true;
}
return myRanges;
}
ZLTextLineInfoPtr ZLTextView::processTextLine(const ZLTextWordCursor &start, const ZLTextWordCursor &end) {
const bool useHyphenator =
ZLTextStyleCollection::instance().baseStyle().AutoHyphenationOption.value();
ZLTextLineInfoPtr infoPtr = new ZLTextLineInfo(start, myStyle.textStyle());
std::set<ZLTextLineInfoPtr>::const_iterator it = myLineInfoCache.find(infoPtr);
if (it != myLineInfoCache.end()) {
const ZLTextLineInfoPtr &storedInfo = *it;
myStyle.applyControls(storedInfo->Start, storedInfo->End);
return storedInfo;
}
ZLTextLineInfo &info = *infoPtr;
ZLTextWordCursor current = start;
const ZLTextParagraphCursor ¶graphCursor = current.paragraphCursor();
const bool isFirstLine = current.isStartOfParagraph();
if (paragraphCursor.paragraph().kind() == ZLTextParagraph::TREE_PARAGRAPH) {
info.NodeInfo = new ZLTextTreeNodeInfo();
ZLTextTreeNodeInfo &nodeInfo = *info.NodeInfo;
const ZLTextTreeParagraph &treeParagraph = (const ZLTextTreeParagraph&)paragraphCursor.paragraph();
nodeInfo.IsLeaf = treeParagraph.children().empty();
nodeInfo.IsOpen = treeParagraph.isOpen();
nodeInfo.IsFirstLine = isFirstLine;
nodeInfo.ParagraphNumber = paragraphCursor.index();
nodeInfo.VerticalLinesStack.reserve(treeParagraph.depth() - 1);
if (treeParagraph.depth() > 1) {
const ZLTextTreeParagraph *ctp = treeParagraph.parent();
nodeInfo.VerticalLinesStack.push_back(ctp->children().back() != &treeParagraph);
for (int i = 1; i < treeParagraph.depth() - 1; ++i) {
const ZLTextTreeParagraph *parent = ctp->parent();
nodeInfo.VerticalLinesStack.push_back(ctp != parent->children().back());
ctp = parent;
}
}
}
if (isFirstLine) {
ZLTextElement::Kind elementKind = paragraphCursor[current.wordNumber()].kind();
while ((elementKind == ZLTextElement::CONTROL_ELEMENT) ||
(elementKind == ZLTextElement::FORCED_CONTROL_ELEMENT)) {
const ZLTextElement &element = paragraphCursor[current.wordNumber()];
switch (elementKind) {
case ZLTextElement::CONTROL_ELEMENT:
myStyle.applyControl((const ZLTextControlElement&)element);
break;
case ZLTextElement::FORCED_CONTROL_ELEMENT:
myStyle.applyControl((const ZLTextForcedControlElement&)element);
break;
default:
break;
}
current.nextWord();
if (current.equalWordNumber(end)) {
break;
}
elementKind = paragraphCursor[current.wordNumber()].kind();
}
info.StartStyle = myStyle.textStyle();
info.RealStart = current;
}
ZLTextStylePtr storedStyle = myStyle.textStyle();
info.LeftIndent = myStyle.textStyle()->leftIndent();
if (isFirstLine) {
info.LeftIndent += myStyle.textStyle()->firstLineIndentDelta();
}
if (!info.NodeInfo.isNull()) {
info.LeftIndent += (myStyle.context().stringHeight() + 2) / 3 * 4 * (info.NodeInfo->VerticalLinesStack.size() + 1);
}
info.Width = info.LeftIndent;
if (info.RealStart.equalWordNumber(end)) {
info.End = info.RealStart;
return infoPtr;
}
ZLTextPartialInfo newInfo(info, current);
bool allowBreakAtNBSpace = true;
const int maxWidth = viewWidth() - myStyle.textStyle()->rightIndent();
bool wordOccured = false;
int lastSpaceWidth = 0;
int removeLastSpace = false;
ZLTextElement::Kind elementKind = paragraphCursor[newInfo.End.wordNumber()].kind();
bool breakedAtFirstWord = false;
do {
const ZLTextElement &element = paragraphCursor[newInfo.End.wordNumber()];
newInfo.Width += myStyle.elementWidth(element, newInfo.End.charNumber());
newInfo.Height = std::max(newInfo.Height, myStyle.elementHeight(element));
newInfo.Descent = std::max(newInfo.Descent, myStyle.elementDescent(element));
switch (elementKind) {
case ZLTextElement::CONTROL_ELEMENT:
myStyle.applyControl((const ZLTextControlElement&)element);
break;
case ZLTextElement::FORCED_CONTROL_ELEMENT:
myStyle.applyControl((const ZLTextForcedControlElement&)element);
break;
case ZLTextElement::WORD_ELEMENT:
case ZLTextElement::IMAGE_ELEMENT:
wordOccured = true;
newInfo.IsVisible = true;
break;
case ZLTextElement::HSPACE_ELEMENT:
case ZLTextElement::NB_HSPACE_ELEMENT:
if (wordOccured) {
wordOccured = false;
++newInfo.SpaceCounter;
lastSpaceWidth = myStyle.context().spaceWidth();
newInfo.Width += lastSpaceWidth;
}
break;
case ZLTextElement::EMPTY_LINE_ELEMENT:
newInfo.IsVisible = true;
default:
break;
}
if (newInfo.Width > maxWidth) {
if (!info.End.equalWordNumber(start)) {
break;
}
if (useHyphenator && myStyle.textStyle()->allowHyphenations() &&
(elementKind == ZLTextElement::WORD_ELEMENT)) {
breakedAtFirstWord = true;
break;
}
}
ZLTextElement::Kind previousKind = elementKind;
newInfo.End.nextWord();
bool allowBreak = newInfo.End.equalWordNumber(end);
bool nbspaceBreak = false;
if (!allowBreak) {
elementKind = paragraphCursor[newInfo.End.wordNumber()].kind();
if (elementKind == ZLTextElement::NB_HSPACE_ELEMENT) {
if (allowBreakAtNBSpace) {
allowBreak = true;
nbspaceBreak = true;
}
} else {
allowBreak =
((elementKind != ZLTextElement::WORD_ELEMENT) || (previousKind == ZLTextElement::WORD_ELEMENT)) &&
(elementKind != ZLTextElement::IMAGE_ELEMENT) &&
(elementKind != ZLTextElement::CONTROL_ELEMENT);
}
}
if (allowBreak) {
newInfo.setTo(info);
allowBreakAtNBSpace = nbspaceBreak;
storedStyle = myStyle.textStyle();
removeLastSpace = !wordOccured && (info.SpaceCounter > 0);
}
} while (!newInfo.End.equalWordNumber(end));
if (!newInfo.End.equalWordNumber(end) && useHyphenator &&
myStyle.textStyle()->allowHyphenations()) {
const ZLTextElement &element = paragraphCursor[newInfo.End.wordNumber()];
if (element.kind() == ZLTextElement::WORD_ELEMENT) {
const int startCharNumber = newInfo.End.charNumber();
newInfo.Width -= myStyle.elementWidth(element, startCharNumber);
const ZLTextWord &word = (ZLTextWord&)element;
int spaceLeft = maxWidth - newInfo.Width;
if (breakedAtFirstWord ||
((word.Length > 3) && (spaceLeft > 2 * myStyle.context().spaceWidth()))) {
ZLUnicodeUtil::Ucs2String ucs2string;
ZLUnicodeUtil::utf8ToUcs2(ucs2string, word.Data, word.Size);
ZLTextHyphenationInfo hyphenationInfo = ZLTextHyphenator::instance().info(word);
int hyphenationPosition = word.Length - 1;
int subwordWidth = 0;
for (; hyphenationPosition > startCharNumber; --hyphenationPosition) {
if (hyphenationInfo.isHyphenationPossible(hyphenationPosition)) {
subwordWidth = myStyle.wordWidth(word, startCharNumber, hyphenationPosition - startCharNumber, ucs2string[hyphenationPosition - 1] != '-');
if (subwordWidth <= spaceLeft) {
break;
}
}
}
if ((hyphenationPosition == startCharNumber) &&
(info.End.wordNumber() <= info.RealStart.wordNumber())) {
hyphenationPosition = word.Length;
subwordWidth = myStyle.elementWidth(element, startCharNumber);
}
if (hyphenationPosition > startCharNumber) {
newInfo.Width += subwordWidth;
newInfo.setTo(info);
storedStyle = myStyle.textStyle();
removeLastSpace = false;
info.End.setCharNumber(hyphenationPosition);
}
}
}
}
if (removeLastSpace) {
info.Width -= lastSpaceWidth;
--info.SpaceCounter;
}
myStyle.setTextStyle(storedStyle);
if (isFirstLine) {
info.Height += info.StartStyle->spaceBefore();
}
if (info.End.isEndOfParagraph()) {
info.VSpaceAfter = myStyle.textStyle()->spaceAfter();
}
if (!info.End.equalWordNumber(end) || end.isEndOfParagraph()) {
myLineInfoCache.insert(infoPtr);
}
return infoPtr;
}