launch_gui.py 文件源码

def process_started(self):
        # Disable everything except for the stop button and the output area
        all_children = [obj for obj in self.ui.findChildren(QWidget)
                        if isinstance(obj, (QCheckBox, QPushButton, QLineEdit))]
        self._previous_state = [(obj, obj.isEnabled()) for obj in all_children]
        for obj in all_children:
            obj.setEnabled(False)
        self.ui.btn_stop.setEnabled(True)
        # If we let the user interact, this messes with the cursor we use to
        # support the progress bar display
        self.ui.edit_stdout.setTextInteractionFlags(Qt.NoTextInteraction)
        self.app.setOverrideCursor(Qt.WaitCursor)