+ bool hadPrivateData = hasPrivateData();
+
+ foreach(int idx, indexList) {
+ QTextLine line = layout()->lineForTextPosition(idx);
+ qreal x = line.cursorToX(idx);
+ qreal width = line.cursorToX(idx + searchWord.count()) - x;
+ qreal height = line.height();
+ qreal y = height * line.lineNumber();
+ resultList << QRectF(x, y, width, height);
+ }
+
+ if(!hadPrivateData)
+ clearLayout();
+ return resultList;
+}
+
+void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton) {
+ chatScene()->setSelectingItem(this);
+ _selectionStart = _selectionEnd = posToCursor(event->pos());
+ _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent
+ update();
+ event->accept();
+ } else {
+ event->ignore();
+ }
+}
+
+void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton) {
+ if(contains(event->pos())) {
+ qint16 end = posToCursor(event->pos());
+ if(end != _selectionEnd) {
+ _selectionEnd = end;
+ _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection);
+ update();
+ }
+ } else {
+ setFullSelection();
+ chatScene()->startGlobalSelection(this, event->pos());
+ }
+ event->accept();
+ } else {
+ event->ignore();
+ }
+}
+
+void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+ if(_selectionMode != NoSelection && !event->buttons() & Qt::LeftButton) {
+ _selectionEnd = posToCursor(event->pos());
+ QString selection
+ = data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd));
+ chatScene()->putToClipboard(selection);
+ event->accept();
+ } else {
+ event->ignore();
+ }
+}
+
+// ************************************************************
+// SenderChatItem
+// ************************************************************
+
+void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+
+ //painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
+ qreal layoutWidth = layout()->minimumWidth();
+ qreal offset = 0;
+ if(chatScene()->senderCutoffMode() == ChatScene::CutoffLeft)
+ offset = qMin(width() - layoutWidth, (qreal)0);
+ else
+ offset = qMax(layoutWidth - width(), (qreal)0);
+
+ QTextLayout::FormatRange selectFmt = selectionFormat();
+
+ if(layoutWidth > width()) {
+ // Draw a nice gradient for longer items
+ // Qt's text drawing with a gradient brush sucks, so we use an alpha-channeled pixmap instead
+ QPixmap pixmap(QSize(layout()->boundingRect().width(), layout()->boundingRect().height()));
+ pixmap.fill(Qt::transparent);
+ QPainter pixPainter(&pixmap);
+ layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), QVector<QTextLayout::FormatRange>() << selectFmt);
+ pixPainter.end();
+
+ // Create alpha channel mask
+ QPixmap mask(pixmap.size());
+ QPainter maskPainter(&mask);
+ QLinearGradient gradient;
+ if(offset < 0) {
+ gradient.setStart(0, 0);
+ gradient.setFinalStop(12, 0);
+ gradient.setColorAt(0, Qt::black);
+ gradient.setColorAt(1, Qt::white);
+ } else {
+ gradient.setStart(width()-10, 0);
+ gradient.setFinalStop(width(), 0);
+ gradient.setColorAt(0, Qt::white);
+ gradient.setColorAt(1, Qt::black);
+ }
+ maskPainter.fillRect(boundingRect(), gradient);
+ pixmap.setAlphaChannel(mask);
+ painter->drawPixmap(0, 0, pixmap);
+ } else {
+ layout()->draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>() << selectFmt, boundingRect());