+
+void ChatLineModelItem::computeWrapList() {
+ WrapList wplist; // use a temp list which we'll later copy into a QVector for efficiency
+ QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _contents.plainText);
+ int idx;
+ int flistidx = -1;
+ int fmtend = -1;
+ QFontMetricsF *metrics;
+ QPair<quint16, quint16> wp(0, 0);
+ do {
+ idx = finder.toNextBoundary();
+ if(idx < 0) idx = _contents.plainText.length();
+ else if(finder.boundaryReasons() != QTextBoundaryFinder::StartWord) continue;
+ int start = wp.first;
+ while(start < idx) {
+ if(fmtend <= start) {
+ flistidx++;
+ fmtend = _contents.formatList.count() > flistidx+1 ? _contents.formatList[flistidx+1].first
+ : _contents.plainText.length();
+ metrics = QtUi::style()->fontMetrics(_contents.formatList[flistidx].second);
+ Q_ASSERT(fmtend > start);
+ }
+ int i = qMin(idx, fmtend);
+ wp.second += metrics->width(_contents.plainText.mid(start, i - start));
+ start = i;
+ }
+ wplist.append(wp);
+ wp.first = idx;
+ } while(finder.isAtBoundary());
+
+ // A QVector needs less space than a QList
+ _wrapList.resize(wplist.count());
+ for(int i = 0; i < wplist.count(); i++) {
+ _wrapList[i] = wplist.at(i);
+ }
+}
+