const RecentEmojiPack &cGetRecentEmojis() {
if (cRecentEmojis().isEmpty()) {
RecentEmojiPack r;
if (!cRecentEmojisPreload().isEmpty()) {
RecentEmojiPreload p(cRecentEmojisPreload());
cSetRecentEmojisPreload(RecentEmojiPreload());
r.reserve(p.size());
for (RecentEmojiPreload::const_iterator i = p.cbegin(), e = p.cend(); i != e; ++i) {
uint32 code = ((i->first & 0xFFFFU) == 0xFE0FU) ? ((i->first >> 16) & 0xFFFFU) : i->first;
EmojiPtr ep(getEmoji(code));
if (!ep) continue;
if (ep->postfix) {
int32 j = 0, l = r.size();
for (; j < l; ++j) {
if (r[j].first->code == code) {
break;
}
}
if (j < l) {
continue;
}
}
r.push_back(qMakePair(ep, i->second));
}
}
EmojiPtr FlatTextarea::getSingleEmoji() const {
QString text;
QTextFragment fragment;
getSingleEmojiFragment(text, fragment);
if (!text.isEmpty()) {
QTextCharFormat format = fragment.charFormat();
QString imageName = static_cast<const QTextImageFormat*>(&format)->name();
return getEmoji(imageName.mid(8).toUInt(0, 16));
}
return 0;
}
void EmojiBox::fillBlocks() {
BlockRow currentRow;
currentRow.reserve(replacesInRow);
for (int32 i = 0; i < replacesCount; ++i) {
Block block(getEmoji(replaces[i].code), QString::fromUtf8(replaces[i].replace));
currentRow.push_back(block);
if (currentRow.size() == replacesInRow) {
_blocks.push_back(currentRow);
currentRow.resize(0);
}
}
if (currentRow.size()) {
_blocks.push_back(currentRow);
}
}
const RecentEmojiPack &cGetRecentEmojis() {
if (cRecentEmojis().isEmpty() && !cRecentEmojisPreload().isEmpty()) {
RecentEmojiPreload p(cRecentEmojisPreload());
cSetRecentEmojisPreload(RecentEmojiPreload());
RecentEmojiPack r;
r.reserve(p.size());
for (RecentEmojiPreload::const_iterator i = p.cbegin(), e = p.cend(); i != e; ++i) {
EmojiPtr ep(getEmoji(i->first));
if (ep) {
r.push_back(qMakePair(ep, i->second));
}
}
cSetRecentEmojis(r);
}
return cRecentEmojis();
}
void FlatTextarea::processDocumentContentsChange(int position, int charsAdded) {
int32 emojiPosition = 0, emojiLen = 0;
const EmojiData *emoji = 0;
QTextDocument *doc(document());
while (true) {
int32 start = position, end = position + charsAdded;
QTextBlock from = doc->findBlock(start), till = doc->findBlock(end);
if (till.isValid()) till = till.next();
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 p = fragment.position(), e = p + fragment.length();
if (p >= end || e <= start) {
continue;
}
QString t(fragment.text());
for (const QChar *ch = t.constData(), *e = ch + t.size(); ch != e; ++ch) {
if (ch + 1 < e && (ch->isHighSurrogate() || (((ch->unicode() >= 48 && ch->unicode() < 58) || ch->unicode() == 35) && (ch + 1)->unicode() == 0x20E3))) {
emoji = getEmoji((ch->unicode() << 16) | (ch + 1)->unicode());
if (emoji) {
if (emoji->len == 4 && (ch + 3 >= e || ((uint32((ch + 2)->unicode()) << 16) | uint32((ch + 3)->unicode())) != emoji->code2)) {
emoji = 0;
} else {
emojiPosition = p + (ch - t.constData());
emojiLen = emoji->len + ((ch + emoji->len < e && (ch + emoji->len)->unicode() == 0xFE0F) ? 1 : 0);
break;
}
}
++ch;
} else {
emoji = getEmoji(ch->unicode());
if (emoji) {
emojiPosition = p + (ch - t.constData());
emojiLen = emoji->len + ((ch + emoji->len < e && (ch + emoji->len)->unicode() == 0xFE0F) ? 1 : 0);
break;
}
}
}
if (emoji) break;
}
if (emoji) break;
}
if (emoji) {
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
int32 removedUpto = c.position();
insertEmoji(emoji, c);
for (Insertions::iterator i = _insertions.begin(), e = _insertions.end(); i != e; ++i) {
if (i->first >= removedUpto) {
i->first -= removedUpto - emojiPosition - 1;
} else if (i->first >= emojiPosition) {
i->second -= removedUpto - emojiPosition;
i->first = emojiPosition + 1;
} else if (i->first + i->second > emojiPosition + 1) {
i->second -= qMin(removedUpto, i->first + i->second) - emojiPosition;
}
}
charsAdded -= removedUpto - position;
position = emojiPosition + 1;
emoji = 0;
emojiPosition = 0;
} else {
break;
}
}
}
QString FlatTextarea::getText(int32 start, int32 end) const {
if (end >= 0 && end <= start) return QString();
if (start < 0) start = 0;
bool full = (start == 0) && (end < 0);
QTextDocument *doc(document());
QTextBlock from = full ? doc->begin() : doc->findBlock(start), till = (end < 0) ? doc->end() : doc->findBlock(end);
if (till.isValid()) till = till.next();
int32 possibleLen = 0;
for (QTextBlock b = from; b != till; b = b.next()) {
possibleLen += b.length();
}
QString result;
result.reserve(possibleLen + 1);
if (!full && end < 0) {
end = possibleLen;
}
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 p = full ? 0 : fragment.position(), e = full ? 0 : (p + fragment.length());
if (!full) {
if (p >= end || e <= start) {
continue;
}
}
QTextCharFormat f = fragment.charFormat();
QString emojiText;
QString t(fragment.text());
if (!full) {
if (p < start) {
t = t.mid(start - p, end - start);
} else if (e > end) {
t = t.mid(0, end - p);
}
}
QChar *ub = t.data(), *uc = ub, *ue = uc + t.size();
for (; uc != ue; ++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;
case QChar::ObjectReplacementCharacter:
if (emojiText.isEmpty() && f.isImageFormat()) {
QString imageName = static_cast<QTextImageFormat*>(&f)->name();
if (imageName.midRef(0, 8) == qsl("emoji://")) {
uint32 index = imageName.mid(8).toUInt(0, 16);
const EmojiData *emoji = getEmoji(index);
if (emoji) {
emojiText = textEmojiString(emoji);
}
}
}
if (uc > ub) result.append(ub, uc - ub);
if (!emojiText.isEmpty()) result.append(emojiText);
ub = uc + 1;
break;
}
}
if (uc > ub) result.append(ub, uc - ub);
}
result.append('\n');
}
result.chop(1);
return result;
}
