Source code for pyqtgraph.widgets.BusyCursor

from ..Qt import QtGui, QtCore

__all__ = ['BusyCursor']

[docs]class BusyCursor(object): """Class for displaying a busy mouse cursor during long operations. Usage:: with pyqtgraph.BusyCursor(): doLongOperation() May be nested. """ active = [] def __enter__(self): QtGui.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor)) BusyCursor.active.append(self) def __exit__(self, *args): BusyCursor.active.pop(-1) if len(BusyCursor.active) == 0: QtGui.QApplication.restoreOverrideCursor()