+bool ChatLine::sceneEvent(QEvent *event) {
+ if(event->type() == QEvent::GrabMouse) {
+ // get mouse cursor pos relative to us
+ ChatView *view = chatScene()->chatView();
+ QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
+ setMouseGrabberItem(itemAt(linePos));
+ } else if(event->type() == QEvent::UngrabMouse) {
+ setMouseGrabberItem(0);
+ }
+ return QGraphicsItem::sceneEvent(event);
+}
+
+void ChatLine::setFirstColumn(const qreal ×tampWidth, const qreal &senderWidth, const QPointF &senderPos) {
+ _timestampItem.setGeometry(timestampWidth, _height);
+ _senderItem.setGeometry(senderWidth, _height);
+ _senderItem.setPos(senderPos);
+}
+
+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();
+ }
+ }
+}