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Use native emoji font support on Qt6.9

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Nicolas Werner 2025-04-04 14:56:15 +02:00
parent b3026e2978
commit 5cfc8b55e3
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GPG key ID: C8D75E610773F2D9
3 changed files with 63 additions and 42 deletions
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81
src/Utils.cpp
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@ -301,52 +301,57 @@ utils::codepointIsEmoji(uint code)
QString
utils::replaceEmoji(const QString &body)
{
QString fmtBody;
fmtBody.reserve(body.size());
if constexpr (QT_VERSION >= QT_VERSION_CHECK(6, 9, 0)) {
return body;
} else {
QString fmtBody;
fmtBody.reserve(body.size());
QVector<uint> utf32_string = body.toUcs4();
QVector<uint> utf32_string = body.toUcs4();
bool insideFontBlock = false;
bool insideTag = false;
for (auto &code : utf32_string) {
if (code == U'<')
insideTag = true;
else if (code == U'>')
insideTag = false;
bool insideFontBlock = false;
bool insideTag = false;
for (auto &code : utf32_string) {
if (code == U'<')
insideTag = true;
else if (code == U'>')
insideTag = false;
if (!insideTag && utils::codepointIsEmoji(code)) {
if (!insideFontBlock) {
fmtBody += QStringLiteral("<font face=\"") % UserSettings::instance()->emojiFont() %
(UserSettings::instance()->enlargeEmojiOnlyMessages()
? QStringLiteral("\" size=\"4\">")
: QStringLiteral("\">"));
insideFontBlock = true;
} else if (code == 0xfe0f) {
// BUG(Nico):
// Workaround https://bugreports.qt.io/browse/QTBUG-97401
// See also https://github.com/matrix-org/matrix-react-sdk/pull/1458/files
// Nheko bug: https://github.com/Nheko-Reborn/nheko/issues/439
continue;
if (!insideTag && utils::codepointIsEmoji(code)) {
if (!insideFontBlock) {
fmtBody += QStringLiteral("<font face=\"") %
UserSettings::instance()->emojiFont() %
(UserSettings::instance()->enlargeEmojiOnlyMessages()
? QStringLiteral("\" size=\"4\">")
: QStringLiteral("\">"));
insideFontBlock = true;
} else if (code == 0xfe0f) {
// BUG(Nico):
// Workaround https://bugreports.qt.io/browse/QTBUG-97401
// See also https://github.com/matrix-org/matrix-react-sdk/pull/1458/files
// Nheko bug: https://github.com/Nheko-Reborn/nheko/issues/439
continue;
}
} else {
if (insideFontBlock) {
fmtBody += QStringLiteral("</font>");
insideFontBlock = false;
}
}
} else {
if (insideFontBlock) {
fmtBody += QStringLiteral("</font>");
insideFontBlock = false;
if (QChar::requiresSurrogates(code)) {
QChar emoji[] = {static_cast<ushort>(QChar::highSurrogate(code)),
static_cast<ushort>(QChar::lowSurrogate(code))};
fmtBody.append(emoji, 2);
} else {
fmtBody.append(QChar(static_cast<ushort>(code)));
}
}
if (QChar::requiresSurrogates(code)) {
QChar emoji[] = {static_cast<ushort>(QChar::highSurrogate(code)),
static_cast<ushort>(QChar::lowSurrogate(code))};
fmtBody.append(emoji, 2);
} else {
fmtBody.append(QChar(static_cast<ushort>(code)));
if (insideFontBlock) {
fmtBody += QStringLiteral("</font>");
}
}
if (insideFontBlock) {
fmtBody += QStringLiteral("</font>");
}
return fmtBody;
return fmtBody;
}
}
void