+void ChatScene::setSelectingItem(ChatItem *item) {
+ if(_selectingItem) _selectingItem->clearSelection();
+ _selectingItem = item;
+}
+
+void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &itemPos) {
+ _selectionStart = _selectionEnd = item->index().row();
+ _selectionStartCol = _selectionMinCol = item->index().column();
+ _isSelecting = true;
+ _lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol);
+ updateSelection(item->mapToScene(itemPos));
+}
+
+void ChatScene::updateSelection(const QPointF &pos) {
+ // This is somewhat hacky... we look at the contents item that is at the cursor's y position (ignoring x), since
+ // it has the full height. From this item, we can then determine the row index and hence the ChatLine.
+ ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(secondColHandlePos + secondColHandle->width()/2, pos.y())));
+ if(!contentItem) return;
+
+ int curRow = contentItem->index().row();
+ int curColumn;
+ if(pos.x() > secondColHandlePos + secondColHandle->width()/2) curColumn = ChatLineModel::ContentsColumn;
+ else if(pos.x() > firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
+ else curColumn = ChatLineModel::TimestampColumn;
+
+ ChatLineModel::ColumnType minColumn = (ChatLineModel::ColumnType)qMin(curColumn, _selectionStartCol);
+ if(minColumn != _selectionMinCol) {
+ _selectionMinCol = minColumn;
+ for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
+ _lines[l]->setSelected(true, minColumn);
+ }
+ }
+
+ if(curRow > _selectionEnd && curRow > _selectionStart) { // select further towards bottom
+ for(int l = _selectionEnd + 1; l <= curRow; l++) {
+ _lines[l]->setSelected(true, minColumn);
+ }
+ } else if(curRow > _selectionEnd && curRow <= _selectionStart) { // deselect towards bottom
+ for(int l = _selectionEnd; l < curRow; l++) {
+ _lines[l]->setSelected(false);
+ }
+ } else if(curRow < _selectionEnd && curRow >= _selectionStart) {
+ for(int l = _selectionEnd; l > curRow; l--) {
+ _lines[l]->setSelected(false);
+ }
+ } else if(curRow < _selectionEnd && curRow < _selectionStart) {
+ for(int l = _selectionEnd - 1; l >= curRow; l--) {
+ _lines[l]->setSelected(true, minColumn);
+ }
+ }
+ _selectionEnd = curRow;
+
+ if(curRow == _selectionStart && minColumn == ChatLineModel::ContentsColumn) {
+ _lines[curRow]->setSelected(false);
+ _isSelecting = false;
+ _selectingItem->continueSelecting(_selectingItem->mapFromScene(pos));
+ }
+}
+
+void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ if(_isSelecting && event->buttons() & Qt::LeftButton) {
+ updateSelection(event->scenePos());
+ event->accept();
+ } else {
+ QGraphicsScene::mouseMoveEvent(event);
+ }
+}
+
+void ChatScene::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() & Qt::LeftButton && _selectionStart >= 0) {
+ for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
+ _lines[l]->setSelected(false);
+ }
+ _selectionStart = -1;
+ event->accept();
+ } else {
+ QGraphicsScene::mousePressEvent(event);
+ }
+}
+
+void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+ if(_isSelecting) {
+# ifdef Q_WS_X11
+ QApplication::clipboard()->setText(selectionToString(), QClipboard::Selection);
+# endif
+//# else
+ QApplication::clipboard()->setText(selectionToString());
+//# endif
+ _isSelecting = false;
+ event->accept();
+ } else {
+ QGraphicsScene::mouseReleaseEvent(event);
+ }
+}
+
+//!\brief Convert current selection to human-readable string.
+QString ChatScene::selectionToString() const {
+ //TODO Make selection format configurable!
+ if(!_isSelecting) return "";
+ QString result;
+ for(int l = _selectionStart; l <= _selectionEnd; l++) {
+ if(_selectionMinCol == ChatLineModel::TimestampColumn)
+ result += _lines[l]->item(ChatLineModel::TimestampColumn)->data(MessageModel::DisplayRole).toString() + " ";
+ if(_selectionMinCol <= ChatLineModel::SenderColumn)
+ result += _lines[l]->item(ChatLineModel::SenderColumn)->data(MessageModel::DisplayRole).toString() + " ";
+ result += _lines[l]->item(ChatLineModel::ContentsColumn)->data(MessageModel::DisplayRole).toString() + "\n";
+ }
+ return result;