+#include "uisettings.h"
+#include "util.h"
+
+QHash<QString, UiStyle::FormatType> UiStyle::_formatCodes;
+bool UiStyle::_useCustomTimestampFormat; /// If true, use the custom timestamp format
+QString UiStyle::_timestampFormatString; /// Timestamp format
+QString UiStyle::_systemTimestampFormatString; /// Cached copy of system locale timestamp format
+UiStyle::SenderPrefixMode UiStyle::_senderPrefixDisplay; /// Display of prefix modes before sender
+bool UiStyle::_showSenderBrackets; /// If true, show brackets around sender names
+
+namespace {
+
+// Extended mIRC colors as defined in https://modern.ircdocs.horse/formatting.html#colors-16-98
+QColor extendedMircColor(int number)
+{
+ static const std::vector<QColor> colorMap = {
+ "#470000", "#472100", "#474700", "#324700", "#004700", "#00472c", "#004747", "#002747", "#000047", "#2e0047", "#470047", "#47002a",
+ "#740000", "#743a00", "#747400", "#517400", "#007400", "#007449", "#007474", "#004074", "#000074", "#4b0074", "#740074", "#740045",
+ "#b50000", "#b56300", "#b5b500", "#7db500", "#00b500", "#00b571", "#00b5b5", "#0063b5", "#0000b5", "#7500b5", "#b500b5", "#b5006b",
+ "#ff0000", "#ff8c00", "#ffff00", "#b2ff00", "#00ff00", "#00ffa0", "#00ffff", "#008cff", "#0000ff", "#a500ff", "#ff00ff", "#ff0098",
+ "#ff5959", "#ffb459", "#ffff71", "#cfff60", "#6fff6f", "#65ffc9", "#6dffff", "#59b4ff", "#5959ff", "#c459ff", "#ff66ff", "#ff59bc",
+ "#ff9c9c", "#ffd39c", "#ffff9c", "#e2ff9c", "#9cff9c", "#9cffdb", "#9cffff", "#9cd3ff", "#9c9cff", "#dc9cff", "#ff9cff", "#ff94d3",
+ "#000000", "#131313", "#282828", "#363636", "#4d4d4d", "#656565", "#818181", "#9f9f9f", "#bcbcbc", "#e2e2e2", "#ffffff"
+ };
+ if (number < 16)
+ return {};
+ size_t index = number - 16;
+ return (index < colorMap.size() ? colorMap[index] : QColor{});
+}
+
+}
+
+UiStyle::UiStyle(QObject *parent)
+ : QObject(parent)
+ , _channelJoinedIcon{icon::get("irc-channel-active")}
+ , _channelPartedIcon{icon::get("irc-channel-inactive")}
+ , _userOfflineIcon{icon::get({"im-user-offline", "user-offline"})}
+ , _userOnlineIcon{icon::get({"im-user-online", "im-user", "user-available"})}
+ , _userAwayIcon{icon::get({"im-user-away", "user-away"})}
+ , _categoryOpIcon{icon::get("irc-operator")}
+ , _categoryVoiceIcon{icon::get("irc-voice")}
+ , _opIconLimit{UserCategoryItem::categoryFromModes("o")}
+ , _voiceIconLimit{UserCategoryItem::categoryFromModes("v")}
+{
+ static bool registered = []() {
+ qRegisterMetaType<FormatList>();
+ qRegisterMetaTypeStreamOperators<FormatList>();
+ return true;
+ }();
+ Q_UNUSED(registered)
+
+ _uiStylePalette = QVector<QBrush>(static_cast<int>(ColorRole::NumRoles), QBrush());
+
+ // Now initialize the mapping between FormatCodes and FormatTypes...
+ _formatCodes["%O"] = FormatType::Base;
+ _formatCodes["%B"] = FormatType::Bold;
+ _formatCodes["%I"] = FormatType::Italic;
+ _formatCodes["%U"] = FormatType::Underline;
+ _formatCodes["%S"] = FormatType::Strikethrough;
+
+ _formatCodes["%DN"] = FormatType::Nick;
+ _formatCodes["%DH"] = FormatType::Hostmask;
+ _formatCodes["%DC"] = FormatType::ChannelName;
+ _formatCodes["%DM"] = FormatType::ModeFlags;
+ _formatCodes["%DU"] = FormatType::Url;
+
+ // Initialize fallback defaults
+ // NOTE: If you change this, update qtui/chatviewsettings.h, too. More explanations available
+ // in there.
+ setUseCustomTimestampFormat(false);
+ setTimestampFormatString(" hh:mm:ss");
+ setSenderPrefixDisplay(UiStyle::SenderPrefixMode::HighestMode);
+ enableSenderBrackets(false);
+
+ // BufferView / NickView settings
+ UiStyleSettings s;
+ _showBufferViewIcons = _showNickViewIcons = s.value("ShowItemViewIcons", true).toBool();
+ s.notify("ShowItemViewIcons", this, SLOT(showItemViewIconsChanged(QVariant)));
+
+ _allowMircColors = s.value("AllowMircColors", true).toBool();
+ s.notify("AllowMircColors", this, SLOT(allowMircColorsChanged(QVariant)));
+
+ loadStyleSheet();
+}
+
+
+UiStyle::~UiStyle()
+{
+ qDeleteAll(_metricsCache);
+}
+
+
+void UiStyle::reload()
+{
+ loadStyleSheet();
+}
+
+
+void UiStyle::loadStyleSheet()
+{
+ qDeleteAll(_metricsCache);
+ _metricsCache.clear();
+ _formatCache.clear();
+ _formats.clear();
+
+ UiStyleSettings s;
+
+ QString styleSheet;
+ styleSheet += loadStyleSheet("file:///" + Quassel::findDataFilePath("stylesheets/default.qss"));
+ styleSheet += loadStyleSheet("file:///" + Quassel::configDirPath() + "settings.qss");
+ if (s.value("UseCustomStyleSheet", false).toBool()) {
+ QString customSheetPath(s.value("CustomStyleSheetPath").toString());
+ QString customSheet = loadStyleSheet("file:///" + customSheetPath, true);
+ if (customSheet.isEmpty()) {
+ // MIGRATION: changed default install path for data from /usr/share/apps to /usr/share
+ if (customSheetPath.startsWith("/usr/share/apps/quassel")) {
+ customSheetPath.replace(QRegExp("^/usr/share/apps"), "/usr/share");
+ customSheet = loadStyleSheet("file:///" + customSheetPath, true);
+ if (!customSheet.isEmpty()) {
+ s.setValue("CustomStyleSheetPath", customSheetPath);
+ qDebug() << "Custom stylesheet path migrated to" << customSheetPath;
+ }
+ }
+ }
+ styleSheet += customSheet;
+ }
+ styleSheet += loadStyleSheet("file:///" + Quassel::optionValue("qss"), true);
+
+ if (!styleSheet.isEmpty()) {
+ QssParser parser;
+ parser.processStyleSheet(styleSheet);
+ QApplication::setPalette(parser.palette());
+
+ _uiStylePalette = parser.uiStylePalette();
+ _formats = parser.formats();
+ _listItemFormats = parser.listItemFormats();
+
+ styleSheet = styleSheet.trimmed();
+ if (!styleSheet.isEmpty())
+ qApp->setStyleSheet(styleSheet); // pass the remaining sections to the application
+ }
+
+ emit changed();
+}
+
+
+QString UiStyle::loadStyleSheet(const QString &styleSheet, bool shouldExist)
+{
+ QString ss = styleSheet;
+ if (ss.startsWith("file:///")) {
+ ss.remove(0, 8);
+ if (ss.isEmpty())
+ return QString();
+
+ QFile file(ss);
+ if (file.open(QFile::ReadOnly)) {
+ QTextStream stream(&file);
+ ss = stream.readAll();
+ file.close();
+ }
+ else {
+ if (shouldExist)
+ qWarning() << "Could not open stylesheet file:" << file.fileName();
+ return QString();
+ }
+ }
+ return ss;
+}
+
+
+void UiStyle::updateSystemTimestampFormat()
+{
+ // Does the system locale use AM/PM designators? For example:
+ // AM/PM: h:mm AP
+ // AM/PM: hh:mm a
+ // 24-hour: h:mm
+ // 24-hour: hh:mm ADD things
+ // For timestamp format, see https://doc.qt.io/qt-5/qdatetime.html#toString
+ // This won't update if the system locale is changed while Quassel is running. If need be,
+ // Quassel could hook into notifications of changing system locale to update this.
+ //
+ // Match any AP or A designation if on a word boundary, including underscores.
+ // .*(\b|_)(A|AP)(\b|_).*
+ // .* Match any number of characters
+ // \b Match a word boundary, i.e. "AAA.BBB", "." is matched
+ // _ Match the literal character '_' (not considered a word boundary)
+ // (X|Y) Match either X or Y, exactly
+ //
+ // Note that '\' must be escaped as '\\'
+ // QRegExp does not support (?> ...), so it's replaced with standard matching, (...)
+ // Helpful interactive website for debugging and explaining: https://regex101.com/
+ const QRegExp regExpMatchAMPM(".*(\\b|_)(A|AP)(\\b|_).*", Qt::CaseInsensitive);
+
+ if (regExpMatchAMPM.exactMatch(QLocale().timeFormat(QLocale::ShortFormat))) {
+ // AM/PM style used
+ _systemTimestampFormatString = " h:mm:ss ap";
+ } else {
+ // 24-hour style used
+ _systemTimestampFormatString = " hh:mm:ss";
+ }
+ // Include a space to give the timestamp a small bit of padding between the border of the chat
+ // buffer window and the numbers. Helps with readability.
+ // If you change this to include brackets, e.g. "[hh:mm:ss]", also update
+ // ChatScene::updateTimestampHasBrackets() to true or false as needed!
+}
+
+
+// FIXME The following should trigger a reload/refresh of the chat view.
+void UiStyle::setUseCustomTimestampFormat(bool enabled)
+{
+ if (_useCustomTimestampFormat != enabled) {
+ _useCustomTimestampFormat = enabled;
+ }
+}
+
+void UiStyle::setTimestampFormatString(const QString &format)
+{
+ if (_timestampFormatString != format) {
+ _timestampFormatString = format;
+ }
+}
+
+void UiStyle::setSenderPrefixDisplay(UiStyle::SenderPrefixMode mode)
+{
+ if (_senderPrefixDisplay != mode) {
+ _senderPrefixDisplay = mode;
+ }
+}
+
+void UiStyle::enableSenderBrackets(bool enabled)
+{
+ if (_showSenderBrackets != enabled) {
+ _showSenderBrackets = enabled;
+ }
+}
+
+
+void UiStyle::allowMircColorsChanged(const QVariant &v)
+{
+ _allowMircColors = v.toBool();
+ emit changed();
+}
+
+
+/******** ItemView Styling *******/
+
+void UiStyle::showItemViewIconsChanged(const QVariant &v)
+{
+ _showBufferViewIcons = _showNickViewIcons = v.toBool();
+}
+
+
+QVariant UiStyle::bufferViewItemData(const QModelIndex &index, int role) const
+{
+ BufferInfo::Type type = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).toInt();
+ bool isActive = index.data(NetworkModel::ItemActiveRole).toBool();
+
+ if (role == Qt::DecorationRole) {
+ if (!_showBufferViewIcons)
+ return QVariant();
+
+ switch (type) {
+ case BufferInfo::ChannelBuffer:
+ if (isActive)
+ return _channelJoinedIcon;
+ else
+ return _channelPartedIcon;
+ case BufferInfo::QueryBuffer:
+ if (!isActive)
+ return _userOfflineIcon;
+ if (index.data(NetworkModel::UserAwayRole).toBool())
+ return _userAwayIcon;
+ else
+ return _userOnlineIcon;
+ default:
+ return QVariant();
+ }
+ }
+
+ ItemFormatType fmtType = ItemFormatType::BufferViewItem;
+ switch (type) {
+ case BufferInfo::StatusBuffer:
+ fmtType |= ItemFormatType::NetworkItem;
+ break;
+ case BufferInfo::ChannelBuffer:
+ fmtType |= ItemFormatType::ChannelBufferItem;
+ break;
+ case BufferInfo::QueryBuffer:
+ fmtType |= ItemFormatType::QueryBufferItem;
+ break;
+ default:
+ return QVariant();
+ }
+
+ QTextCharFormat fmt = _listItemFormats.value(ItemFormatType::BufferViewItem);
+ fmt.merge(_listItemFormats.value(fmtType));
+
+ BufferInfo::ActivityLevel activity = (BufferInfo::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
+ if (activity & BufferInfo::Highlight) {
+ fmt.merge(_listItemFormats.value(ItemFormatType::BufferViewItem | ItemFormatType::HighlightedBuffer));
+ fmt.merge(_listItemFormats.value(fmtType | ItemFormatType::HighlightedBuffer));
+ }
+ else if (activity & BufferInfo::NewMessage) {
+ fmt.merge(_listItemFormats.value(ItemFormatType::BufferViewItem | ItemFormatType::UnreadBuffer));
+ fmt.merge(_listItemFormats.value(fmtType | ItemFormatType::UnreadBuffer));
+ }
+ else if (activity & BufferInfo::OtherActivity) {
+ fmt.merge(_listItemFormats.value(ItemFormatType::BufferViewItem | ItemFormatType::ActiveBuffer));
+ fmt.merge(_listItemFormats.value(fmtType | ItemFormatType::ActiveBuffer));
+ }
+ else if (!isActive) {
+ fmt.merge(_listItemFormats.value(ItemFormatType::BufferViewItem | ItemFormatType::InactiveBuffer));
+ fmt.merge(_listItemFormats.value(fmtType | ItemFormatType::InactiveBuffer));
+ }
+ else if (index.data(NetworkModel::UserAwayRole).toBool()) {
+ fmt.merge(_listItemFormats.value(ItemFormatType::BufferViewItem | ItemFormatType::UserAway));
+ fmt.merge(_listItemFormats.value(fmtType | ItemFormatType::UserAway));
+ }
+
+ return itemData(role, fmt);
+}
+
+
+QVariant UiStyle::nickViewItemData(const QModelIndex &index, int role) const
+{
+ NetworkModel::ItemType type = (NetworkModel::ItemType)index.data(NetworkModel::ItemTypeRole).toInt();
+
+ if (role == Qt::DecorationRole) {
+ if (!_showNickViewIcons)
+ return QVariant();
+
+ switch (type) {
+ case NetworkModel::UserCategoryItemType:
+ {
+ int categoryId = index.data(TreeModel::SortRole).toInt();
+ if (categoryId <= _opIconLimit)
+ return _categoryOpIcon;
+ if (categoryId <= _voiceIconLimit)
+ return _categoryVoiceIcon;
+ return _userOnlineIcon;
+ }
+ case NetworkModel::IrcUserItemType:
+ if (index.data(NetworkModel::ItemActiveRole).toBool())
+ return _userOnlineIcon;
+ else
+ return _userAwayIcon;
+ default:
+ return QVariant();
+ }
+ }
+
+ QTextCharFormat fmt = _listItemFormats.value(ItemFormatType::NickViewItem);
+
+ switch (type) {
+ case NetworkModel::IrcUserItemType:
+ fmt.merge(_listItemFormats.value(ItemFormatType::NickViewItem | ItemFormatType::IrcUserItem));
+ if (!index.data(NetworkModel::ItemActiveRole).toBool()) {
+ fmt.merge(_listItemFormats.value(ItemFormatType::NickViewItem | ItemFormatType::UserAway));
+ fmt.merge(_listItemFormats.value(ItemFormatType::NickViewItem | ItemFormatType::IrcUserItem | ItemFormatType::UserAway));
+ }
+ break;
+ case NetworkModel::UserCategoryItemType:
+ fmt.merge(_listItemFormats.value(ItemFormatType::NickViewItem | ItemFormatType::UserCategoryItem));
+ break;
+ default:
+ return QVariant();
+ }
+
+ return itemData(role, fmt);
+}
+
+
+QVariant UiStyle::itemData(int role, const QTextCharFormat &format) const
+{
+ switch (role) {
+ case Qt::FontRole:
+ return format.font();
+ case Qt::ForegroundRole:
+ return format.property(QTextFormat::ForegroundBrush);
+ case Qt::BackgroundRole:
+ return format.property(QTextFormat::BackgroundBrush);
+ default:
+ return QVariant();
+ }
+}
+
+
+/******** Caching *******/
+
+QTextCharFormat UiStyle::parsedFormat(quint64 key) const
+{
+ return _formats.value(key, QTextCharFormat());
+}
+
+namespace {
+
+// Create unique key for given Format object and message label
+QString formatKey(const UiStyle::Format &format, UiStyle::MessageLabel label)
+{
+ return QString::number(format.type | label, 16)
+ + (format.foreground.isValid() ? format.foreground.name() : "#------")
+ + (format.background.isValid() ? format.background.name() : "#------");
+}
+
+}
+
+QTextCharFormat UiStyle::cachedFormat(const Format &format, MessageLabel messageLabel) const
+{
+ return _formatCache.value(formatKey(format, messageLabel), QTextCharFormat());
+}
+
+
+void UiStyle::setCachedFormat(const QTextCharFormat &charFormat, const Format &format, MessageLabel messageLabel) const
+{
+ _formatCache[formatKey(format, messageLabel)] = charFormat;
+}
+
+
+QFontMetricsF *UiStyle::fontMetrics(FormatType ftype, MessageLabel label) const
+{
+ // QFontMetricsF is not assignable, so we need to store pointers :/
+ quint64 key = ftype | label;
+
+ if (_metricsCache.contains(key))
+ return _metricsCache.value(key);
+
+ return (_metricsCache[key] = new QFontMetricsF(format({ftype, {}, {}}, label).font()));
+}
+
+
+/******** Generate formats ********/
+
+// NOTE: This and the following functions are intimately tied to the values in FormatType. Don't change this
+// until you _really_ know what you do!
+QTextCharFormat UiStyle::format(const Format &format, MessageLabel label) const
+{
+ if (format.type == FormatType::Invalid)
+ return {};
+
+ // Check if we have exactly this format readily cached already
+ QTextCharFormat charFormat = cachedFormat(format, label);
+ if (charFormat.properties().count())
+ return charFormat;
+
+ // Merge all formats except mIRC and extended colors
+ mergeFormat(charFormat, format, label & 0xffff0000); // keep nickhash in label
+ for (quint32 mask = 0x00000001; mask <= static_cast<quint32>(MessageLabel::Last); mask <<= 1) {
+ if (static_cast<quint32>(label) & mask) {
+ mergeFormat(charFormat, format, label & (mask | 0xffff0000));
+ }
+ }
+
+ // Merge mIRC and extended colors, if appropriate. These override any color set previously in the format,
+ // unless the AllowForegroundOverride or AllowBackgroundOverride properties are set (via stylesheet).
+ if (_allowMircColors) {
+ mergeColors(charFormat, format, MessageLabel::None);
+ for (quint32 mask = 0x00000001; mask <= static_cast<quint32>(MessageLabel::Last); mask <<= 1) {
+ if (static_cast<quint32>(label) & mask) {
+ mergeColors(charFormat, format, label & mask);
+ }
+ }
+ }
+
+ setCachedFormat(charFormat, format, label);
+ return charFormat;
+}
+
+
+void UiStyle::mergeFormat(QTextCharFormat &charFormat, const Format &format, MessageLabel label) const
+{
+ mergeSubElementFormat(charFormat, format.type & 0x00ff, label);
+
+ // TODO: allow combinations for mirc formats and colors (each), e.g. setting a special format for "bold and italic"
+ // or "foreground 01 and background 03"
+ if ((format.type & 0xfff00) != FormatType::Base) { // element format
+ for (quint32 mask = 0x00100; mask <= 0x80000; mask <<= 1) {
+ if ((format.type & mask) != FormatType::Base) {
+ mergeSubElementFormat(charFormat, format.type & (mask | 0xff), label);
+ }
+ }
+ }
+}
+
+
+// Merge a subelement format into an existing message format
+void UiStyle::mergeSubElementFormat(QTextCharFormat &fmt, FormatType ftype, MessageLabel label) const
+{
+ quint64 key = ftype | label;
+ fmt.merge(parsedFormat(key & 0x0000ffffffffff00ull)); // label + subelement
+ fmt.merge(parsedFormat(key & 0x0000ffffffffffffull)); // label + subelement + msgtype
+ fmt.merge(parsedFormat(key & 0xffffffffffffff00ull)); // label + subelement + nickhash
+ fmt.merge(parsedFormat(key & 0xffffffffffffffffull)); // label + subelement + nickhash + msgtype
+}
+
+
+void UiStyle::mergeColors(QTextCharFormat &charFormat, const Format &format, MessageLabel label) const
+{
+ bool allowFg = charFormat.property(static_cast<int>(FormatProperty::AllowForegroundOverride)).toBool();
+ bool allowBg = charFormat.property(static_cast<int>(FormatProperty::AllowBackgroundOverride)).toBool();
+
+ // Classic mIRC colors (styleable)
+ // We assume that those can't be combined with subelement and message types.
+ if (allowFg && (format.type & 0x00400000) != FormatType::Base)
+ charFormat.merge(parsedFormat((format.type & 0x0f400000) | label)); // foreground
+ if (allowBg && (format.type & 0x00800000) != FormatType::Base)
+ charFormat.merge(parsedFormat((format.type & 0xf0800000) | label)); // background
+ if (allowFg && allowBg && (format.type & 0x00c00000) == static_cast<FormatType>(0x00c00000))
+ charFormat.merge(parsedFormat((format.type & 0xffc00000) | label)); // combination
+
+ // Extended mIRC colors (hardcoded)
+ if (allowFg && format.foreground.isValid())
+ charFormat.setForeground(format.foreground);
+ if (allowBg && format.background.isValid())
+ charFormat.setBackground(format.background);
+}
+
+
+UiStyle::FormatType UiStyle::formatType(Message::Type msgType)
+{
+ switch (msgType) {
+ case Message::Plain:
+ return FormatType::PlainMsg;
+ case Message::Notice:
+ return FormatType::NoticeMsg;
+ case Message::Action:
+ return FormatType::ActionMsg;
+ case Message::Nick:
+ return FormatType::NickMsg;
+ case Message::Mode:
+ return FormatType::ModeMsg;
+ case Message::Join:
+ return FormatType::JoinMsg;
+ case Message::Part:
+ return FormatType::PartMsg;
+ case Message::Quit:
+ return FormatType::QuitMsg;
+ case Message::Kick:
+ return FormatType::KickMsg;
+ case Message::Kill:
+ return FormatType::KillMsg;
+ case Message::Server:
+ return FormatType::ServerMsg;
+ case Message::Info:
+ return FormatType::InfoMsg;
+ case Message::Error:
+ return FormatType::ErrorMsg;
+ case Message::DayChange:
+ return FormatType::DayChangeMsg;
+ case Message::Topic:
+ return FormatType::TopicMsg;
+ case Message::NetsplitJoin:
+ return FormatType::NetsplitJoinMsg;
+ case Message::NetsplitQuit:
+ return FormatType::NetsplitQuitMsg;
+ case Message::Invite:
+ return FormatType::InviteMsg;
+ }
+ //Q_ASSERT(false); // we need to handle all message types
+ qWarning() << Q_FUNC_INFO << "Unknown message type:" << msgType;
+ return FormatType::ErrorMsg;
+}
+
+
+UiStyle::FormatType UiStyle::formatType(const QString &code)
+{
+ if (_formatCodes.contains(code))
+ return _formatCodes.value(code);
+ return FormatType::Invalid;
+}
+
+
+QString UiStyle::formatCode(FormatType ftype)
+{
+ return _formatCodes.key(ftype);
+}
+
+
+QList<QTextLayout::FormatRange> UiStyle::toTextLayoutList(const FormatList &formatList, int textLength, MessageLabel messageLabel) const
+{
+ QList<QTextLayout::FormatRange> formatRanges;
+ QTextLayout::FormatRange range;
+ size_t i = 0;
+ for (i = 0; i < formatList.size(); i++) {
+ range.format = format(formatList.at(i).second, messageLabel);
+ range.start = formatList.at(i).first;
+ if (i > 0)
+ formatRanges.last().length = range.start - formatRanges.last().start;
+ formatRanges.append(range);
+ }
+ if (i > 0)
+ formatRanges.last().length = textLength - formatRanges.last().start;
+ return formatRanges;
+}
+
+
+// This method expects a well-formatted string, there is no error checking!
+// Since we create those ourselves, we should be pretty safe that nobody does something crappy here.
+UiStyle::StyledString UiStyle::styleString(const QString &s_, FormatType baseFormat)
+{
+ QString s = s_;
+ StyledString result;
+ result.formatList.emplace_back(std::make_pair(quint16{0}, Format{baseFormat, {}, {}}));
+
+ if (s.length() > 65535) {
+ // We use quint16 for indexes
+ qWarning() << QString("String too long to be styled: %1").arg(s);
+ result.plainText = s;
+ return result;
+ }
+
+ Format curfmt{baseFormat, {}, {}};
+ QChar fgChar{'f'}; // character to indicate foreground color, changed when reversing
+
+ int pos = 0; quint16 length = 0;
+ for (;;) {
+ pos = s.indexOf('%', pos);
+ if (pos < 0) break;
+ if (s[pos+1] == '%') { // escaped %, we just remove one and continue
+ s.remove(pos, 1);
+ pos++;
+ continue;
+ }
+ if (s[pos+1] == 'D' && s[pos+2] == 'c') { // mIRC color code
+ if (s[pos+3] == '-') { // color off
+ curfmt.type &= 0x003fffff;
+ curfmt.foreground = QColor{};
+ curfmt.background = QColor{};
+ length = 4;
+ }
+ else {
+ quint32 color = 10 * s[pos+4].digitValue() + s[pos+5].digitValue();
+ // Color values 0-15 are traditional mIRC colors, defined in the stylesheet and thus going through the format engine
+ // Larger color values are hardcoded and applied separately (cf. https://modern.ircdocs.horse/formatting.html#colors-16-98)
+ if (s[pos+3] == fgChar) {
+ if (color < 16) {
+ // Traditional mIRC color, defined in the stylesheet
+ curfmt.type &= 0xf0ffffff;
+ curfmt.type |= color << 24 | 0x00400000;
+ curfmt.foreground = QColor{};
+ }
+ else {
+ curfmt.type &= 0xf0bfffff; // mask out traditional foreground color
+ curfmt.foreground = extendedMircColor(color);
+ }
+ }
+ else {
+ if (color < 16) {
+ curfmt.type &= 0x0fffffff;
+ curfmt.type |= color << 28 | 0x00800000;
+ curfmt.background = QColor{};
+ }
+ else {
+ curfmt.type &= 0x0f7fffff; // mask out traditional background color
+ curfmt.background = extendedMircColor(color);
+ }
+ }
+ length = 6;
+ }
+ }
+ else if (s[pos+1] == 'D' && s[pos+2] == 'h') { // Hex color
+ QColor color{s.mid(pos+4, 7)};
+ if (s[pos+3] == fgChar) {
+ curfmt.type &= 0xf0bfffff; // mask out mIRC foreground color
+ curfmt.foreground = std::move(color);
+ }
+ else {
+ curfmt.type &= 0x0f7fffff; // mask out mIRC background color
+ curfmt.background = std::move(color);
+ }
+ length = 11;
+ }
+ else if (s[pos+1] == 'O') { // reset formatting
+ curfmt.type &= 0x000000ff; // we keep message type-specific formatting
+ curfmt.foreground = QColor{};
+ curfmt.background = QColor{};
+ fgChar = 'f';
+ length = 2;
+ }
+ else if (s[pos+1] == 'R') { // Reverse colors
+ fgChar = (fgChar == 'f' ? 'b' : 'f');
+ auto orig = static_cast<quint32>(curfmt.type & 0xffc00000);
+ curfmt.type &= 0x003fffff;
+ curfmt.type |= (orig & 0x00400000) <<1;
+ curfmt.type |= (orig & 0x0f000000) <<4;
+ curfmt.type |= (orig & 0x00800000) >>1;
+ curfmt.type |= (orig & 0xf0000000) >>4;
+ std::swap(curfmt.foreground, curfmt.background);
+ length = 2;
+ }
+ else { // all others are toggles
+ QString code = QString("%") + s[pos+1];
+ if (s[pos+1] == 'D') code += s[pos+2];
+ FormatType ftype = formatType(code);
+ if (ftype == FormatType::Invalid) {
+ pos++;
+ qWarning() << (QString("Invalid format code in string: %1").arg(s));
+ continue;
+ }
+ curfmt.type ^= ftype;
+ length = code.length();
+ }
+ s.remove(pos, length);
+ if (pos == result.formatList.back().first)
+ result.formatList.back().second = curfmt;
+ else
+ result.formatList.emplace_back(std::make_pair(pos, curfmt));
+ }
+ result.plainText = s;
+ return result;
+}
+