+
+void UiStyle::setCachedFormat(const QTextCharFormat &format, FormatType formatType, MessageLabel messageLabel) const
+{
+ _formatCache[formatType | messageLabel] = format;
+}
+
+
+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(FormatType ftype, MessageLabel label) const
+{
+ if (ftype == FormatType::Invalid)
+ return {};
+
+ // check if we have exactly this format readily cached already
+ QTextCharFormat fmt = cachedFormat(ftype, label);
+ if (fmt.properties().count())
+ return fmt;
+
+ mergeFormat(fmt, ftype, label & 0xffff0000); // keep nickhash in label
+
+ for (quint32 mask = 0x00000001; mask <= static_cast<quint32>(MessageLabel::Selected); mask <<= 1) {
+ if (static_cast<quint32>(label) & mask)
+ mergeFormat(fmt, ftype, label & (mask | 0xffff0000));
+ }
+
+ setCachedFormat(fmt, ftype, label);
+ return fmt;
+}
+
+
+void UiStyle::mergeFormat(QTextCharFormat &fmt, FormatType ftype, MessageLabel label) const
+{
+ mergeSubElementFormat(fmt, ftype & 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 ((ftype & 0xfff00) != FormatType::Base) { // element format
+ for (quint32 mask = 0x00100; mask <= 0x40000; mask <<= 1) {
+ if ((ftype & mask) != FormatType::Base) {
+ mergeSubElementFormat(fmt, ftype & (mask | 0xff), label);
+ }
+ }
+ }
+
+ // Now we handle color codes
+ // We assume that those can't be combined with subelement and message types.
+ if (_allowMircColors) {
+ if ((ftype & 0x00400000) != FormatType::Base)
+ mergeSubElementFormat(fmt, ftype & 0x0f400000, label); // foreground
+ if ((ftype & 0x00800000) != FormatType::Base)
+ mergeSubElementFormat(fmt, ftype & 0xf0800000, label); // background
+ if ((ftype & 0x00c00000) == static_cast<FormatType>(0x00c00000))
+ mergeSubElementFormat(fmt, ftype & 0xffc00000, label); // combination
+ }
+
+ // URL
+ if ((ftype & FormatType::Url) != FormatType::Base)
+ mergeSubElementFormat(fmt, ftype & (FormatType::Url | static_cast<FormatType>(0x000000ff)), 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(format(key & 0x0000ffffffffff00ull)); // label + subelement
+ fmt.merge(format(key & 0x0000ffffffffffffull)); // label + subelement + msgtype
+ fmt.merge(format(key & 0xffffffffffffff00ull)); // label + subelement + nickhash
+ fmt.merge(format(key & 0xffffffffffffffffull)); // label + subelement + nickhash + msgtype
+}
+
+
+UiStyle::FormatType UiStyle::formatType(Message::Type msgType)
+{
+ switch (msgType) {