+QTextCharFormat UiStyle::cachedFormat(quint32 formatType, quint32 messageLabel) const {
+ return cachedFormat(formatType | ((quint64)messageLabel << 32));
+}
+
+void UiStyle::setCachedFormat(const QTextCharFormat &format, quint32 formatType, quint32 messageLabel) {
+ _formatCache[formatType | ((quint64)messageLabel << 32)] = format;
+}
+
+// Merge a subelement format into an existing message format
+void UiStyle::mergeSubElementFormat(QTextCharFormat& fmt, quint32 ftype, quint32 label) {
+ quint64 key = ftype | ((quint64)label << 32);
+
+ // start with the most general format and then specialize
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x00000000fffffff0))); // basic subelement format
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x00000000ffffffff))); // subelement + msgtype
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffff0000fffffff0))); // subelement + nickhash
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffff0000ffffffff))); // subelement + nickhash + msgtype
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000fffffffffff0))); // label + subelement
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000ffffffffffff))); // label + subelement + msgtype
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xfffffffffffffff0))); // label + subelement + nickhash
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffffffffffffffff))); // label + subelement + nickhash + msgtype
+}
+
+// NOTE: This function is intimately tied to the values in FormatType. Don't change this
+// until you _really_ know what you do!
+QTextCharFormat UiStyle::format(quint32 ftype, quint32 label) {
+ if(ftype == Invalid)
+ return QTextCharFormat();
+
+ quint64 key = ftype | ((quint64)label << 32);
+
+ // check if we have exactly this format readily cached already
+ QTextCharFormat fmt = cachedFormat(key);
+ if(fmt.properties().count())
+ return fmt;
+
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000000000000000))); // basic
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x000000000000000f))); // msgtype
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffff000000000000))); // nickhash
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffff00000000000f))); // nickhash + msgtype
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000ffff00000000))); // label
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000ffff0000000f))); // label + msgtype
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffffffff00000000))); // label + nickhash
+ fmt.merge(cachedFormat(key & Q_UINT64_C(0xffffffff0000000f))); // label + nickhash + msgtype
+
+ // 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((ftype & 0xfff0)) { // element format
+ for(quint32 mask = 0x10; mask <= 0x2000; mask <<= 1) {
+ if(ftype & mask) {
+ mergeSubElementFormat(fmt, ftype & 0xffff, label);
+ }
+ }
+ }
+
+ // Now we handle color codes
+ if(ftype & 0x00400000)
+ mergeSubElementFormat(fmt, ftype & 0x0f400000, label); // foreground
+ if(ftype & 0x00800000)
+ mergeSubElementFormat(fmt, ftype & 0xf0800000, label); // background
+ if((ftype & 0x00c00000) == 0x00c00000)
+ mergeSubElementFormat(fmt, ftype & 0xffc00000, label); // combination
+
+ // URL
+ if(ftype & Url)
+ mergeSubElementFormat(fmt, ftype & Url, label);
+
+ setCachedFormat(fmt, ftype, label);
+ return fmt;
+}
+
+QFontMetricsF *UiStyle::fontMetrics(quint32 ftype, quint32 label) {
+ // QFontMetricsF is not assignable, so we need to store pointers :/
+ quint64 key = ftype | ((quint64)label << 32);
+
+ if(_metricsCache.contains(key))
+ return _metricsCache.value(key);
+
+ return (_metricsCache[key] = new QFontMetricsF(format(ftype, label).font()));
+}
+
+UiStyle::FormatType UiStyle::formatType(Message::Type msgType) {
+ switch(msgType) {
+ case Message::Plain:
+ return PlainMsg;
+ case Message::Notice:
+ return NoticeMsg;
+ case Message::Action:
+ return ActionMsg;
+ case Message::Nick:
+ return NickMsg;
+ case Message::Mode:
+ return ModeMsg;
+ case Message::Join:
+ return JoinMsg;
+ case Message::Part:
+ return PartMsg;
+ case Message::Quit:
+ return QuitMsg;
+ case Message::Kick:
+ return KickMsg;
+ case Message::Kill:
+ return KillMsg;
+ case Message::Server:
+ return ServerMsg;
+ case Message::Info:
+ return InfoMsg;
+ case Message::Error:
+ return ErrorMsg;
+ case Message::DayChange:
+ return DayChangeMsg;
+ }
+ Q_ASSERT(false); // we need to handle all message types
+ return ErrorMsg;
+}
+
+UiStyle::FormatType UiStyle::formatType(const QString & code) {