// ! [7]
protected void mouseMoveEvent(QMouseEvent event) {
if (!(event.buttons().isSet(Qt.MouseButton.LeftButton))) return;
if ((event.pos().subtract(dragStartPosition)).manhattanLength()
< QApplication.startDragDistance()) return;
QDrag drag = new QDrag(this);
QMimeData mimeData = new QMimeData();
mimeData.setData(mimeType, data);
drag.setMimeData(mimeData);
Qt.DropAction dropAction = drag.exec(Qt.DropAction.CopyAction, Qt.DropAction.MoveAction);
// ! [7]
switch (dropAction) {
case CopyAction:
dragResult.emit(tr("The text was copied."));
break;
case MoveAction:
dragResult.emit(tr("The text was moved."));
break;
default:
dragResult.emit(tr("Unknown action."));
break;
}
// ! [8]
}
@Override
protected void mouseReleaseEvent(QMouseEvent event) {
if (event.button() == Qt.MouseButton.LeftButton && scribbling) {
drawLineTo(event.pos());
scribbling = false;
}
}
@Override
protected void mousePressEvent(QMouseEvent event) {
if (event.button() == Qt.MouseButton.LeftButton) {
lastPoint = event.pos();
scribbling = true;
}
}
// ! [6]
protected void mousePressEvent(QMouseEvent event) {
if (event.button().equals(Qt.MouseButton.LeftButton)) dragStartPosition = event.pos();
}
@Override
protected void mouseMoveEvent(QMouseEvent event) {
if ((event.buttons().isSet(Qt.MouseButton.LeftButton)) && scribbling) drawLineTo(event.pos());
}