void XmlWriter::readFragment(const QTextBlock ¤tBlock,
QDomElement blockElement,
QDomDocument *document)
{
//! [3] //! [4]
QTextBlock::iterator it;
for (it = currentBlock.begin(); !(it.atEnd()); ++it) {
QTextFragment currentFragment = it.fragment();
if (currentFragment.isValid())
//! [3] //! [5]
processFragment(currentFragment);
//! [4] //! [5]
if (currentFragment.isValid()) {
QDomElement fragmentElement = document->createElement("fragment");
blockElement.appendChild(fragmentElement);
fragmentElement.setAttribute("length", currentFragment.length());
QDomText fragmentText = document->createTextNode(currentFragment.text());
fragmentElement.appendChild(fragmentText);
}
//! [6] //! [7]
}
//! [7] //! [6]
}
void Text::spatiumChanged(qreal oldVal, qreal newVal)
{
Element::spatiumChanged(oldVal, newVal);
if (!sizeIsSpatiumDependent() || styled())
return;
qreal v = newVal / oldVal;
QTextCursor c(_doc);
QTextBlock cb = _doc->begin();
while (cb.isValid()) {
QTextBlock::iterator i(cb.begin());
for (; !i.atEnd(); ++i) {
QTextFragment f = i.fragment();
if (f.isValid()) {
int pos = f.position();
int len = f.length();
c.setPosition(pos, QTextCursor::MoveAnchor);
c.setPosition(pos + len, QTextCursor::KeepAnchor);
QTextCharFormat cf = c.charFormat();
QFont font = cf.font();
font.setPointSizeF(font.pointSizeF() * v);
cf.setFont(font);
c.setCharFormat(cf);
}
}
cb = cb.next();
}
}
bool XLHighlighter::showSelectionInFragment(QTextFragment fragment)
// ----------------------------------------------------------------------------
// Highlight (part of) fragment containing code related to a selected object
// ----------------------------------------------------------------------------
{
bool matched = false;
int spos= fragment.position();
int epos = spos + fragment.length();
int blockstart = currentBlock().begin().fragment().position();
XL::stream_range frag(spos, epos);
XL::stream_ranges::iterator r;
for (r = selected.begin(); r != selected.end(); r++)
{
XL::stream_range i = intersect((*r), frag);
if (i.first != -1)
{
int hstart = (int)(i.first) - blockstart;
int hcount = (int)(i.second - i.first);
setFormat(hstart, hcount, selectedFormat);
matched = true;
}
}
return matched;
}
void TextDocument::replaceImageUrl(const QUrl &oldName, const QString &newName) {
QList <QPair<int, int> > fragments;
QTextBlock block = begin();
while(block.isValid()) {
QTextBlock::iterator iterator;
for(iterator = block.begin(); !(iterator.atEnd()); ++iterator) {
QTextFragment fragment = iterator.fragment();
if(fragment.isValid() && fragment.charFormat().isImageFormat()) {
QTextImageFormat format = fragment.charFormat().toImageFormat();
if (QUrl::fromEncoded(format.name().toUtf8()) != oldName) {continue;}
fragments.append(QPair<int, int>(fragment.position(), fragment.length()));
}
}
block = block.next();
}
QTextCursor cursor(this);
cursor.beginEditBlock();
QPair<int, int> pair;
foreach (pair, fragments) {
cursor.setPosition(pair.first);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, pair.second);
QTextImageFormat format = cursor.charFormat().toImageFormat();
format.setName(newName);
cursor.mergeCharFormat(format);
}
void ChangeFollower::processUpdates(const QList<int> &changedStyles)
{
KoStyleManager *sm = m_styleManager.data();
if (!sm) {
// since the stylemanager would be the one calling this method, I doubt this
// will ever happen. But better safe than sorry..
deleteLater();
return;
}
// optimization strategy; store the formatid of the formats we checked into
// a qset for 'hits' and 'ignores' and avoid the copying of the format
// (fragment.charFormat() / block.blockFormat()) when the formatId is
// already checked previosly
QTextCursor cursor(m_document);
QTextBlock block = cursor.block();
while (block.isValid()) {
QTextBlockFormat bf = block.blockFormat();
int id = bf.intProperty(KoParagraphStyle::StyleId);
if (id > 0 && changedStyles.contains(id)) {
cursor.setPosition(block.position());
KoParagraphStyle *style = sm->paragraphStyle(id);
Q_ASSERT(style);
style->applyStyle(bf);
cursor.setBlockFormat(bf);
}
QTextCharFormat cf = block.charFormat();
id = cf.intProperty(KoCharacterStyle::StyleId);
if (id > 0 && changedStyles.contains(id)) {
KoCharacterStyle *style = sm->characterStyle(id);
Q_ASSERT(style);
style->applyStyle(block);
}
QTextBlock::iterator iter = block.begin();
while (! iter.atEnd()) {
QTextFragment fragment = iter.fragment();
cf = fragment.charFormat();
id = cf.intProperty(KoCharacterStyle::StyleId);
if (id > 0 && changedStyles.contains(id)) {
// create selection
cursor.setPosition(fragment.position());
cursor.setPosition(fragment.position() + fragment.length(), QTextCursor::KeepAnchor);
KoCharacterStyle *style = sm->characterStyle(id);
Q_ASSERT(style);
style->applyStyle(cf);
cursor.mergeCharFormat(cf);
}
iter++;
}
block = block.next();
}
}
FontDia::FontDia(QTextCursor* cursor, QWidget* parent)
: KDialog(parent),
m_cursor(cursor)
{
//First find out if we have more than one charFormat in our selection. If so, m_initialFormat/m_style will get initialised with the charFormat at the cursor's position. The tabs will get informed of this.
if (m_cursor->hasSelection()) {
int begin = qMin(m_cursor->anchor(), m_cursor->position());
int end = qMax(m_cursor->anchor(), m_cursor->position());
QTextBlock block = m_cursor->block().document()->findBlock(begin);
m_uniqueFormat = true;
QTextCursor caret(*m_cursor);
caret.setPosition(begin+1);
m_initialFormat = caret.charFormat();
while (block.isValid() && block.position() < end) {
QTextBlock::iterator iter = block.begin();
while (! iter.atEnd()) {
QTextFragment fragment = iter.fragment();
if (fragment.position() >= end)
break;
if (fragment.position() + fragment.length() <= begin) {
iter++;
continue;
}
if (!(m_uniqueFormat = (fragment.charFormat() == m_initialFormat)))
break;
iter++;
}
if (!m_uniqueFormat)
break;
block = block.next();
}
}
else {
m_initialFormat = cursor->charFormat();
m_uniqueFormat = true;
}
setCaption(i18n("Select Font"));
setModal(true);
setButtons(Ok | Cancel | Reset | Apply);
setDefaultButton(Ok);
m_characterGeneral = new CharacterGeneral(this, m_uniqueFormat);
m_characterGeneral->hideStyleName(true);
setMainWidget(m_characterGeneral);
connect(this, SIGNAL(applyClicked()), this, SLOT(slotApply()));
connect(this, SIGNAL(okClicked()), this, SLOT(slotOk()));
connect(this, SIGNAL(resetClicked()), this, SLOT(slotReset()));
initTabs();
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit;
QTextDocument *document = new QTextDocument(editor);
QTextCursor cursor(document);
QTextImageFormat imageFormat;
imageFormat.setName(":/images/advert.png");
cursor.insertImage(imageFormat);
QTextBlock block = cursor.block();
QTextFragment fragment;
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
fragment = it.fragment();
if (fragment.contains(cursor.position()))
break;
}
//! [0]
if (fragment.isValid()) {
QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat();
if (newImageFormat.isValid()) {
newImageFormat.setName(":/images/newimage.png");
QTextCursor helper = cursor;
helper.setPosition(fragment.position());
helper.setPosition(fragment.position() + fragment.length(),
QTextCursor::KeepAnchor);
helper.setCharFormat(newImageFormat);
//! [0] //! [1]
}
//! [1] //! [2]
}
//! [2]
cursor.insertBlock();
cursor.insertText("Code less. Create more.");
editor->setDocument(document);
editor->setWindowTitle(tr("Text Document Image Format"));
editor->resize(320, 480);
editor->show();
return app.exec();
}
void FlatTextarea::removeSingleEmoji() {
QString text;
QTextFragment fragment;
getSingleEmojiFragment(text, fragment);
if (!text.isEmpty()) {
QTextCursor t(textCursor());
t.setPosition(fragment.position());
t.setPosition(fragment.position() + fragment.length(), QTextCursor::KeepAnchor);
t.removeSelectedText();
setTextCursor(t);
}
}
void XmlWriter::processBlock(QDomElement &parent, const QTextBlock &block)
{
QDomElement blockElement = document->createElement("block");
blockElement.setAttribute("position", block.position());
blockElement.setAttribute("length", block.length());
parent.appendChild(blockElement);
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
QTextFragment fragment = it.fragment();
if (fragment.isValid()) {
QDomElement fragmentElement = document->createElement("fragment");
blockElement.appendChild(fragmentElement);
fragmentElement.setAttribute("length", fragment.length());
QDomText fragmentText = document->createTextNode(fragment.text());
fragmentElement.appendChild(fragmentText);
}
}
}
void QQuickTextNodeEngine::addTextBlock(QTextDocument *textDocument, const QTextBlock &block, const QPointF &position, const QColor &textColor, const QColor &anchorColor, int selectionStart, int selectionEnd)
{
Q_ASSERT(textDocument);
#ifndef QT_NO_IM
int preeditLength = block.isValid() ? block.layout()->preeditAreaText().length() : 0;
int preeditPosition = block.isValid() ? block.layout()->preeditAreaPosition() : -1;
#endif
QVarLengthArray<QTextLayout::FormatRange> colorChanges;
mergeFormats(block.layout(), &colorChanges);
QPointF blockPosition = textDocument->documentLayout()->blockBoundingRect(block).topLeft() + position;
if (QTextList *textList = block.textList()) {
QPointF pos = blockPosition;
QTextLayout *layout = block.layout();
if (layout->lineCount() > 0) {
QTextLine firstLine = layout->lineAt(0);
Q_ASSERT(firstLine.isValid());
setCurrentLine(firstLine);
QRectF textRect = firstLine.naturalTextRect();
pos += textRect.topLeft();
if (block.textDirection() == Qt::RightToLeft)
pos.rx() += textRect.width();
const QTextCharFormat charFormat = block.charFormat();
QFont font(charFormat.font());
QFontMetricsF fontMetrics(font);
QTextListFormat listFormat = textList->format();
QString listItemBullet;
switch (listFormat.style()) {
case QTextListFormat::ListCircle:
listItemBullet = QChar(0x25E6); // White bullet
break;
case QTextListFormat::ListSquare:
listItemBullet = QChar(0x25AA); // Black small square
break;
case QTextListFormat::ListDecimal:
case QTextListFormat::ListLowerAlpha:
case QTextListFormat::ListUpperAlpha:
case QTextListFormat::ListLowerRoman:
case QTextListFormat::ListUpperRoman:
listItemBullet = textList->itemText(block);
break;
default:
listItemBullet = QChar(0x2022); // Black bullet
break;
};
QSizeF size(fontMetrics.width(listItemBullet), fontMetrics.height());
qreal xoff = fontMetrics.width(QLatin1Char(' '));
if (block.textDirection() == Qt::LeftToRight)
xoff = -xoff - size.width();
setPosition(pos + QPointF(xoff, 0));
QTextLayout layout;
layout.setFont(font);
layout.setText(listItemBullet); // Bullet
layout.beginLayout();
QTextLine line = layout.createLine();
line.setPosition(QPointF(0, 0));
layout.endLayout();
QList<QGlyphRun> glyphRuns = layout.glyphRuns();
for (int i=0; i<glyphRuns.size(); ++i)
addUnselectedGlyphs(glyphRuns.at(i));
}
}
int textPos = block.position();
QTextBlock::iterator blockIterator = block.begin();
while (!blockIterator.atEnd()) {
QTextFragment fragment = blockIterator.fragment();
QString text = fragment.text();
if (text.isEmpty())
continue;
QTextCharFormat charFormat = fragment.charFormat();
QFont font(charFormat.font());
QFontMetricsF fontMetrics(font);
int fontHeight = fontMetrics.descent() + fontMetrics.ascent();
int valign = charFormat.verticalAlignment();
if (valign == QTextCharFormat::AlignSuperScript)
setPosition(QPointF(blockPosition.x(), blockPosition.y() - fontHeight / 2));
else if (valign == QTextCharFormat::AlignSubScript)
setPosition(QPointF(blockPosition.x(), blockPosition.y() + fontHeight / 6));
else
setPosition(blockPosition);
if (text.contains(QChar::ObjectReplacementCharacter)) {
QTextFrame *frame = qobject_cast<QTextFrame *>(textDocument->objectForFormat(charFormat));
if (frame && frame->frameFormat().position() == QTextFrameFormat::InFlow) {
int blockRelativePosition = textPos - block.position();
QTextLine line = block.layout()->lineForTextPosition(blockRelativePosition);
if (!currentLine().isValid()
|| line.lineNumber() != currentLine().lineNumber()) {
setCurrentLine(line);
}
QQuickTextNodeEngine::SelectionState selectionState =
(selectionStart < textPos + text.length()
&& selectionEnd >= textPos)
? QQuickTextNodeEngine::Selected
: QQuickTextNodeEngine::Unselected;
addTextObject(QPointF(), charFormat, selectionState, textDocument, textPos);
}
textPos += text.length();
} else {
if (charFormat.foreground().style() != Qt::NoBrush)
setTextColor(charFormat.foreground().color());
else if (charFormat.isAnchor())
setTextColor(anchorColor);
else
setTextColor(textColor);
int fragmentEnd = textPos + fragment.length();
#ifndef QT_NO_IM
if (preeditPosition >= 0
&& (preeditPosition + block.position()) >= textPos
&& (preeditPosition + block.position()) <= fragmentEnd) {
fragmentEnd += preeditLength;
}
#endif
if (charFormat.background().style() != Qt::NoBrush) {
QTextLayout::FormatRange additionalFormat;
additionalFormat.start = textPos - block.position();
additionalFormat.length = fragmentEnd - textPos;
additionalFormat.format = charFormat;
colorChanges << additionalFormat;
}
textPos = addText(block, charFormat, textColor, colorChanges, textPos, fragmentEnd,
selectionStart, selectionEnd);
}
++blockIterator;
}
#ifndef QT_NO_IM
if (preeditLength >= 0 && textPos <= block.position() + preeditPosition) {
setPosition(blockPosition);
textPos = block.position() + preeditPosition;
QTextLine line = block.layout()->lineForTextPosition(preeditPosition);
if (!currentLine().isValid()
|| line.lineNumber() != currentLine().lineNumber()) {
setCurrentLine(line);
}
textPos = addText(block, block.charFormat(), textColor, colorChanges,
textPos, textPos + preeditLength,
selectionStart, selectionEnd);
}
#endif
setCurrentLine(QTextLine()); // Reset current line because the text layout changed
m_hasContents = true;
}
void KoTextWriter::saveParagraph(const QTextBlock &block, int from, int to)
{
QString changeName = QString();
QTextBlockFormat blockFormat = block.blockFormat();
int outlineLevel = blockFormat.intProperty(KoParagraphStyle::OutlineLevel);
if (outlineLevel > 0) {
d->writer->startElement("text:h", false);
d->writer->addAttribute("text:outline-level", outlineLevel);
} else
d->writer->startElement("text:p", false);
QString styleName = saveParagraphStyle(block);
if (!styleName.isEmpty())
d->writer->addAttribute("text:style-name", styleName);
// Write the fragments and their formats
QTextCursor cursor(block);
QTextCharFormat blockCharFormat = cursor.blockCharFormat();
QTextCharFormat previousCharFormat;
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
QTextFragment currentFragment = it.fragment();
const int fragmentStart = currentFragment.position();
const int fragmentEnd = fragmentStart + currentFragment.length();
if (to != -1 && fragmentStart >= to)
break;
if (currentFragment.isValid()) {
QTextCharFormat charFormat = currentFragment.charFormat();
QTextCharFormat compFormat = charFormat;
bool identical;
previousCharFormat.clearProperty(KoCharacterStyle::ChangeTrackerId);
compFormat.clearProperty(KoCharacterStyle::ChangeTrackerId);
if (previousCharFormat == compFormat)
identical = true;
else
identical = false;
if ( d->changeTracker && d->changeTracker->containsInlineChanges(charFormat) && d->changeTracker->elementById(charFormat.property(KoCharacterStyle::ChangeTrackerId).toInt())->isEnabled()) {
KoGenChange change;
d->changeTracker->saveInlineChange(charFormat.property(KoCharacterStyle::ChangeTrackerId).toInt(), change);
changeName = d->sharedData->genChanges().insert(change);
d->writer->startElement("text:change-start", false);
d->writer->addAttribute("text:change-id", changeName);
d->writer->endElement();
}
KoInlineObject *inlineObject = d->layout->inlineTextObjectManager()->inlineTextObject(charFormat);
if (currentFragment.length() == 1 && inlineObject
&& currentFragment.text()[0].unicode() == QChar::ObjectReplacementCharacter) {
inlineObject->saveOdf(d->context);
} else {
QString styleName = saveCharacterStyle(charFormat, blockCharFormat);
if (charFormat.isAnchor()) {
d->writer->startElement("text:a", false);
d->writer->addAttribute("xlink:type", "simple");
d->writer->addAttribute("xlink:href", charFormat.anchorHref());
} else if (!styleName.isEmpty() /*&& !identical*/) {
d->writer->startElement("text:span", false);
d->writer->addAttribute("text:style-name", styleName);
}
QString text = currentFragment.text();
int spanFrom = fragmentStart >= from ? 0 : from;
int spanTo = to == -1 ? fragmentEnd : (fragmentEnd > to ? to : fragmentEnd);
if (spanFrom != fragmentStart || spanTo != fragmentEnd) { // avoid mid, if possible
d->writer->addTextSpan(text.mid(spanFrom - fragmentStart, spanTo - spanFrom));
} else {
d->writer->addTextSpan(text);
}
if ((!styleName.isEmpty() /*&& !identical*/) || charFormat.isAnchor())
d->writer->endElement();
} // if (inlineObject)
if (!changeName.isEmpty()) {
d->writer->startElement("text:change-end", false);
d->writer->addAttribute("text:change-id",changeName);
d->writer->endElement();
changeName=QString();
}
previousCharFormat = charFormat;
} // if (fragment.valid())
} // foeach(fragment)
d->writer->endElement();
}
QString TextEditEx::getPlainText(int _from, int _to) const
{
if (_from == _to)
return "";
if (_to != -1 && _to < _from)
{
assert(!"invalid data");
return "";
}
QString out_string;
QTextStream result(&out_string);
int pos_start = 0;
int length = 0;
bool first = true;
for (QTextBlock it_block = document()->begin(); it_block != document()->end(); it_block = it_block.next())
{
if (!first)
result << '\n';
pos_start = it_block.position();
if (_to != -1 && pos_start >= _to)
break;
for (QTextBlock::iterator it_fragment = it_block.begin(); it_fragment != it_block.end(); ++it_fragment)
{
QTextFragment currentFragment = it_fragment.fragment();
if (currentFragment.isValid())
{
pos_start = currentFragment.position();
length = currentFragment.length();
if (pos_start + length <= _from)
continue;
if (_to != -1 && pos_start >= _to)
break;
first = false;
if (currentFragment.charFormat().isImageFormat())
{
if (pos_start < _from)
continue;
QTextImageFormat imgFmt = currentFragment.charFormat().toImageFormat();
auto iter = resource_index_.find(imgFmt.name());
if (iter != resource_index_.end())
result << iter->second;
}
else
{
QString fragment_text = currentFragment.text();
int c_start = std::max((_from - pos_start), 0);
int count = -1;
if (_to != -1 && _to <= pos_start + length)
count = _to - pos_start - c_start;
QString txt = fragment_text.mid(c_start, count);
txt.remove(QChar::SoftHyphen);
QChar *uc = txt.data();
QChar *e = uc + txt.size();
for (; uc != e; ++uc) {
switch (uc->unicode()) {
case 0xfdd0: // QTextBeginningOfFrame
case 0xfdd1: // QTextEndOfFrame
case QChar::ParagraphSeparator:
case QChar::LineSeparator:
*uc = QLatin1Char('\n');
break;
case QChar::Nbsp:
*uc = QLatin1Char(' ');
break;
default:
;
}
}
result << txt;
}
}
}
}
return out_string;
}
