return QVariant::fromValue<UiStyle::FormatList>(part->formatList);
case ChatLineModel::WrapListRole:
if(column != ChatLineModel::ContentsColumn) return QVariant();
- QVariantList wrapList;
- typedef QPair<quint16, quint16> WrapPoint; // foreach can't parse templated params
- foreach(WrapPoint pair, _wrapList) wrapList << pair.first << pair.second;
- return wrapList;
+ return QVariant::fromValue<ChatLineModel::WrapList>(_wrapList);
}
return MessageModelItem::data(column, role);
return false;
}
+// compute the width of a text snippet
+qreal ChatLineModelItem::snippetWidth(int start, int end, QFontMetricsF *&metrics, int &formatListIdx, int &formatEnd) {
+ qreal width = 0;
+ while(start < end) {
+ if(formatEnd <= start) {
+ formatListIdx++;
+ formatEnd = _contents.formatList.count() > formatListIdx+1 ? _contents.formatList[formatListIdx+1].first
+ : _contents.plainText.length();
+ metrics = QtUi::style()->fontMetrics(_contents.formatList[formatListIdx].second);
+ Q_ASSERT(formatEnd > start);
+ }
+ int i = qMin(end, formatEnd);
+ width += metrics->width(_contents.plainText.mid(start, i - start));
+ start = i;
+ }
+ return width;
+}
+
void ChatLineModelItem::computeWrapList() {
- WrapList wplist; // use a temp list which we'll later copy into a QVector for efficiency
+ enum Mode { SearchStart, SearchEnd };
+
+ QList<ChatLineModel::Word> wplist; // use a temp list which we'll later copy into a QVector for efficiency
QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _contents.plainText);
- int idx;
+ int idx, oldidx;
+ qreal pxpos = 0;
int flistidx = -1;
int fmtend = -1;
- QFontMetricsF *metrics;
- QPair<quint16, quint16> wp(0, 0);
+ bool wordStart = false; bool wordEnd = false;
+ QFontMetricsF *metrics = 0;
+ Mode mode = SearchEnd;
+ ChatLineModel::Word word;
+ word.start = 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;
+ wordStart = finder.boundaryReasons().testFlag(QTextBoundaryFinder::StartWord);
+ wordEnd = finder.boundaryReasons().testFlag(QTextBoundaryFinder::EndWord);
+
+ //qDebug() << wordStart << wordEnd << _contents.plainText.left(idx) << _contents.plainText.mid(idx);
+
+ if(mode == SearchEnd || !wordStart && wordEnd) {
+ if(wordStart || !wordEnd) continue;
+ oldidx = idx;
+ mode = SearchStart;
+ continue;
+ }
+ // mode == SearchStart
+ word.width = snippetWidth(word.start, oldidx, metrics, flistidx, fmtend);
+ word.trailing = snippetWidth(oldidx, idx, metrics, flistidx, fmtend);
+ wplist.append(word);
+
+ if(wordStart) {
+ word.start = idx;
+ mode = SearchEnd;
}
- wplist.append(wp);
- wp.first = idx;
} while(finder.isAtBoundary());
// A QVector needs less space than a QList