+void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
+ Q_UNUSED(index);
+ // maybe make this more efficient by prepending stuff with negative yval
+ // dunno if that's worth not guranteeing that 0 is on the top...
+ // TODO bulk inserts, iterators
+ int h = 0;
+ int y = 0;
+ if(_width && start > 0) y = _lines.value(start - 1)->y() + _lines.value(start - 1)->height();
+ for(int i = start; i <= end; i++) {
+ ChatLine *line = new ChatLine(model()->index(i, 0));
+ _lines.insert(i, line);
+ addItem(line);
+ if(_width > 0) {
+ line->setPos(0, y+h);
+ h += line->setColumnWidths(_timestampWidth, _senderWidth, _width - _timestampWidth - _senderWidth);
+ }
+ }
+ if(h > 0) {
+ _height += h;
+ for(int i = end+1; i < _lines.count(); i++) {
+ _lines.value(i)->moveBy(0, h);
+ }
+ emit heightChanged(height());
+ }
+}
+