void FlatTextarea::onDocumentContentsChange(int position, int charsRemoved, int charsAdded) {
if (!_links.isEmpty()) {
bool changed = false;
for (LinkRanges::iterator i = _links.begin(); i != _links.end();) {
if (i->first + i->second <= position) {
++i;
} else if (i->first >= position + charsRemoved) {
i->first += charsAdded - charsRemoved;
++i;
} else {
i = _links.erase(i);
changed = true;
}
}
if (changed) emit linksChanged();
}
if (_replacingEmojis || document()->availableRedoSteps() > 0) return;
const int takeBack = 3;
position -= takeBack;
charsAdded += takeBack;
if (position < 0) {
charsAdded += position;
position = 0;
}
if (charsAdded <= 0) return;
_insertions.push_back(Insertion(position, charsAdded));
}
void ShotgunField::setLink(Node *l)
{
if (m_links.length() != 1 || m_links[0] != l) {
m_links.clear();
m_links << l;
emit linksChanged();
}
}
bool OutputLink::unlink(InputLink *input)
{
input->unlink();
auto it = std::find(begin(m_inputLinks), end(m_inputLinks), input);
if(it==m_inputLinks.end())return false;
m_inputLinks.erase(it);
linksChanged(*this);
return true;
}
bool OutputLink::addLink(InputLink &input)
{
if(!input.getModuleInput().getSignalType().isConvertibleTo(c_moduleOutput.getSignalType())) {
return false;
}
input.link(*this);
//TODO make sure there isn't already an input for this moduleinput
m_inputLinks.push_back(&input);
linksChanged(*this);
return true;
}
void FlatTextarea::parseLinks() { // some code is duplicated in text.cpp!
LinkRanges newLinks;
QString text(toPlainText());
if (text.isEmpty()) {
if (!_links.isEmpty()) {
_links.clear();
emit linksChanged();
}
return;
}
initLinkSets();
int32 len = text.size();
const QChar *start = text.unicode(), *end = start + text.size();
for (int32 offset = 0, matchOffset = offset; offset < len;) {
QRegularExpressionMatch m = reDomain().match(text, matchOffset);
if (!m.hasMatch()) break;
int32 domainOffset = m.capturedStart();
QString protocol = m.captured(1).toLower();
QString topDomain = m.captured(3).toLower();
bool isProtocolValid = protocol.isEmpty() || validProtocols().contains(hashCrc32(protocol.constData(), protocol.size() * sizeof(QChar)));
bool isTopDomainValid = !protocol.isEmpty() || validTopDomains().contains(hashCrc32(topDomain.constData(), topDomain.size() * sizeof(QChar)));
if (protocol.isEmpty() && domainOffset > offset + 1 && *(start + domainOffset - 1) == QChar('@')) {
QString forMailName = text.mid(offset, domainOffset - offset - 1);
QRegularExpressionMatch mMailName = reMailName().match(forMailName);
if (mMailName.hasMatch()) {
offset = matchOffset = m.capturedEnd();
continue;
}
}
if (!isProtocolValid || !isTopDomainValid) {
offset = matchOffset = m.capturedEnd();
continue;
}
QStack<const QChar*> parenth;
const QChar *domainEnd = start + m.capturedEnd(), *p = domainEnd;
for (; p < end; ++p) {
QChar ch(*p);
if (chIsLinkEnd(ch)) break; // link finished
if (chIsAlmostLinkEnd(ch)) {
const QChar *endTest = p + 1;
while (endTest < end && chIsAlmostLinkEnd(*endTest)) {
++endTest;
}
if (endTest >= end || chIsLinkEnd(*endTest)) {
break; // link finished at p
}
p = endTest;
ch = *p;
}
if (ch == '(' || ch == '[' || ch == '{' || ch == '<') {
parenth.push(p);
} else if (ch == ')' || ch == ']' || ch == '}' || ch == '>') {
if (parenth.isEmpty()) break;
const QChar *q = parenth.pop(), open(*q);
if ((ch == ')' && open != '(') || (ch == ']' && open != '[') || (ch == '}' && open != '{') || (ch == '>' && open != '<')) {
p = q;
break;
}
}
}
if (p > domainEnd) { // check, that domain ended
if (domainEnd->unicode() != '/' && domainEnd->unicode() != '?') {
matchOffset = domainEnd - start;
continue;
}
}
newLinks.push_back(qMakePair(domainOffset - 1, p - start - domainOffset + 2));
offset = matchOffset = p - start;
}
if (newLinks != _links) {
_links = newLinks;
emit linksChanged();
}
}
void FlatTextarea::onDocumentContentsChange(int position, int charsRemoved, int charsAdded) {
if (_correcting) return;
QTextCursor(document()->docHandle(), 0).joinPreviousEditBlock();
_correcting = true;
if (_maxLength >= 0) {
QTextCursor c(document()->docHandle(), 0);
c.movePosition(QTextCursor::End);
int32 fullSize = c.position(), toRemove = fullSize - _maxLength;
if (toRemove > 0) {
if (toRemove > charsAdded) {
if (charsAdded) {
c.setPosition(position);
c.setPosition((position + charsAdded), QTextCursor::KeepAnchor);
c.removeSelectedText();
}
c.setPosition(fullSize - (toRemove - charsAdded));
c.setPosition(fullSize, QTextCursor::KeepAnchor);
c.removeSelectedText();
} else {
c.setPosition(position + (charsAdded - toRemove));
c.setPosition(position + charsAdded, QTextCursor::KeepAnchor);
c.removeSelectedText();
}
}
}
_correcting = false;
if (!_links.isEmpty()) {
bool changed = false;
for (LinkRanges::iterator i = _links.begin(); i != _links.end();) {
if (i->first + i->second <= position) {
++i;
} else if (i->first >= position + charsRemoved) {
i->first += charsAdded - charsRemoved;
++i;
} else {
i = _links.erase(i);
changed = true;
}
}
if (changed) emit linksChanged();
}
if (document()->availableRedoSteps() > 0) {
QTextCursor(document()->docHandle(), 0).endEditBlock();
return;
}
const int takeBack = 3;
position -= takeBack;
charsAdded += takeBack;
if (position < 0) {
charsAdded += position;
position = 0;
}
if (charsAdded <= 0) {
QTextCursor(document()->docHandle(), 0).endEditBlock();
return;
}
_correcting = true;
QSizeF s = document()->pageSize();
processDocumentContentsChange(position, charsAdded);
if (document()->pageSize() != s) {
document()->setPageSize(s);
}
_correcting = false;
QTextCursor(document()->docHandle(), 0).endEditBlock();
}
