+
+void ChatLine::setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos)
+{
+ // linepos is the *bottom* position for the line
+ qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
+ linePos -= height;
+ bool needGeometryChange = (height != _height);
+
+ _timestampItem.setHeight(height);
+ _senderItem.setGeometry(senderWidth, height);
+ _contentsItem.setPos(contentsPos);
+
+ if (needGeometryChange)
+ prepareGeometryChange();
+
+ _height = height;
+
+ setPos(0, linePos);
+}
+
+
+void ChatLine::setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos)
+{
+ // linepos is the *bottom* position for the line
+ qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
+ linePos -= height;
+ bool needGeometryChange = (height != _height || width != _width);
+
+ if (height != _height) {
+ _timestampItem.setHeight(height);
+ _senderItem.setHeight(height);
+ }
+
+ if (needGeometryChange) {
+ prepareGeometryChange();
+ _height = height;
+ _width = width;
+ }
+
+ setPos(0, linePos); // set pos is _very_ cheap if nothing changes.
+}
+
+
+void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn)
+{
+ if (selected) {
+ quint8 sel = (_selection & Highlighted) | Selected | minColumn;
+ if (sel != _selection) {
+ _selection = sel;
+ for (int i = 0; i < minColumn; i++)
+ item((ChatLineModel::ColumnType)i)->clearSelection();
+ for (int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
+ item((ChatLineModel::ColumnType)i)->setFullSelection();
+ update();
+ }
+ }
+ else {
+ quint8 sel = _selection & Highlighted;
+ if (sel != _selection) {
+ _selection = sel;
+ for (int i = 0; i <= ChatLineModel::ContentsColumn; i++)
+ item((ChatLineModel::ColumnType)i)->clearSelection();
+ update();
+ }
+ }
+}
+
+
+void ChatLine::setHighlighted(bool highlighted)
+{
+ if (highlighted) _selection |= Highlighted;
+ else _selection &= ~Highlighted;
+ update();
+}
+
+
+void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+
+ const QAbstractItemModel *model_ = model();
+ QModelIndex myIdx = model_->index(row(), 0);
+ Message::Type type = (Message::Type)myIdx.data(MessageModel::TypeRole).toInt();
+ UiStyle::MessageLabel label = (UiStyle::MessageLabel)myIdx.data(ChatLineModel::MsgLabelRole).toInt();
+
+ QTextCharFormat msgFmt = QtUi::style()->format(UiStyle::formatType(type), label);
+ if (msgFmt.hasProperty(QTextFormat::BackgroundBrush)) {
+ painter->fillRect(boundingRect(), msgFmt.background());
+ }
+
+ if (_selection & Selected) {
+ QTextCharFormat selFmt = QtUi::style()->format(UiStyle::formatType(type), label | UiStyle::Selected);
+ if (selFmt.hasProperty(QTextFormat::BackgroundBrush)) {
+ qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask))->pos().x();
+ QRectF selectRect(left, 0, width() - left, height());
+ painter->fillRect(selectRect, selFmt.background());
+ }
+ }
+
+ // draw chatitems
+ // the items draw themselves at the correct position
+ timestampItem()->paint(painter, option, widget);
+ senderItem()->paint(painter, option, widget);
+ contentsItem()->paint(painter, option, widget);
+}
+
+
+// We need to dispatch all mouse-related events to the appropriate (mouse grabbing) ChatItem
+
+ChatItem *ChatLine::mouseEventTargetItem(const QPointF &pos)
+{
+ if (mouseGrabberItem())
+ return mouseGrabberItem();
+ return itemAt(pos);
+}
+
+
+void ChatLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+ ChatItem *item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->mouseMoveEvent(event);
+}
+
+
+void ChatLine::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+ ChatItem *item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->mousePressEvent(event);
+}
+
+
+void ChatLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+ ChatItem *item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->mouseReleaseEvent(event);
+}
+
+
+void ChatLine::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+ ChatItem *item = mouseEventTargetItem(event->pos());
+ if (item && !_hoverItem) {
+ _hoverItem = item;
+ item->hoverEnterEvent(event);
+ }
+}
+
+
+void ChatLine::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+ if (_hoverItem) {
+ _hoverItem->hoverLeaveEvent(event);
+ _hoverItem = 0;
+ }
+}
+
+
+void ChatLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
+{
+ ChatItem *item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->hoverMoveEvent(event);