+ if(!event->buttons() & Qt::LeftButton) {
+ _leftButtonPressed = false;
+ if(_clickMode != NoClick) {
+ if(_clickMode == SingleClick)
+ clearSelection();
+ event->accept();
+ if(!_clickTimer.isActive())
+ handleClick(Qt::LeftButton, _clickPos);
+ } else {
+ // no click -> drag or selection move
+ if(isGloballySelecting()) {
+ selectionToClipboard(QClipboard::Selection);
+ _isSelecting = false;
+ event->accept();
+ return;
+ }
+ }
+ }
+ QGraphicsScene::mouseReleaseEvent(event);
+}
+
+void ChatScene::clickTimeout() {
+ if(!_leftButtonPressed && _clickMode == SingleClick)
+ handleClick(Qt::LeftButton, _clickPos);
+}
+
+void ChatScene::handleClick(Qt::MouseButton button, const QPointF &scenePos) {
+ if(button == Qt::LeftButton) {
+ clearSelection();
+
+ // Now send click down to items
+ ChatItem *chatItem = chatItemAt(scenePos);
+ if(chatItem) {
+ chatItem->handleClick(chatItem->mapFromScene(scenePos), _clickMode);
+ }
+ _clickHandled = true;
+ }
+}
+
+void ChatScene::initiateDrag(QWidget *source) {
+ QDrag *drag = new QDrag(source);
+ QMimeData *mimeData = new QMimeData;
+ mimeData->setText(selection());
+ drag->setMimeData(mimeData);
+
+ drag->exec(Qt::CopyAction);
+}
+
+/******** SELECTIONS ******************************************************************************/
+
+void ChatScene::selectionToClipboard(QClipboard::Mode mode) {
+ if(!hasSelection())
+ return;
+
+ stringToClipboard(selection(), mode);
+}
+
+void ChatScene::stringToClipboard(const QString &str, QClipboard::Mode mode) {
+ switch(mode) {
+ case QClipboard::Clipboard:
+ QApplication::clipboard()->setText(str);
+ break;
+ case QClipboard::Selection:
+ if(QApplication::clipboard()->supportsSelection())
+ QApplication::clipboard()->setText(str, QClipboard::Selection);
+ break;
+ default:
+ break;
+ };
+}
+
+//!\brief Convert current selection to human-readable string.
+QString ChatScene::selection() const {
+ //TODO Make selection format configurable!
+ if(hasGlobalSelection()) {
+ int start = qMin(_selectionStart, _selectionEnd);
+ int end = qMax(_selectionStart, _selectionEnd);
+ if(start < 0 || end >= _lines.count()) {
+ qDebug() << "Invalid selection range:" << start << end;
+ return QString();
+ }
+ QString result;
+ for(int l = start; l <= end; 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;
+ } else if(selectingItem())
+ return selectingItem()->selection();
+ return QString();
+}
+
+bool ChatScene::hasSelection() const {
+ return hasGlobalSelection() || (selectingItem() && selectingItem()->hasSelection());
+}
+
+bool ChatScene::hasGlobalSelection() const {
+ return _selectionStart >= 0;
+}
+
+bool ChatScene::isGloballySelecting() const {
+ return _isSelecting;
+}
+
+void ChatScene::clearGlobalSelection() {
+ if(hasGlobalSelection()) {
+ for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++)
+ _lines[l]->setSelected(false);