def _make_select_more(self):
select_more = QState(self.run)
begin = QState(select_more)
simulate = QState(select_more)
finalize = QFinalState(select_more)
begin.assignProperty(self.parent().ui.dockWidget_object_tree,
"visible", True)
sticky = self.parent().qsettings.value("appSettings/stickySelection",
defaultValue="false")
note = " (by holding down the <b>Ctrl</b> key)" if sticky == "false" else ""
text = f"""
<html>
<p>Selecting multiple items{note} makes things more interesting.</p>
<p>Press <b>Show</b> to see it in action.</p>
</html>
"""
begin.assignProperty(self.label_msg, "text", text)
begin.assignProperty(self.button_right, "text", "Show")
begin.assignProperty(self.button_right, "enabled", True)
simulate.assignProperty(self.parent().ui.dockWidget_object_tree,
"visible", True)
simulate.assignProperty(self.button_right, "enabled", False)
select_more.setInitialState(begin)
transition = begin.addTransition(self.button_right.clicked, simulate)
animation = SelectionAnimation(self.parent(),
command=QItemSelectionModel.Select)
transition.addAnimation(animation)
simulate.addTransition(animation.finished, finalize)
return select_more
def _make_select_one(self):
select_one = QState(self.run)
begin = QState(select_one)
simulate = QState(select_one)
finalize = QFinalState(select_one)
begin.assignProperty(self.parent().ui.dockWidget_object_tree,
"visible", True)
text = """
<html>
<p>Selecting items in the object tree automatically triggers
graph generation.</b><br />
<p>Press <b>Show</b> to see it in action.</p>
</html>
"""
begin.assignProperty(self.label_msg, "text", text)
begin.assignProperty(self.button_right, "text", "Show")
begin.assignProperty(self.button_right, "enabled", True)
simulate.assignProperty(self.parent().ui.dockWidget_object_tree,
"visible", True)
simulate.assignProperty(self.button_right, "enabled", False)
select_one.setInitialState(begin)
transition = begin.addTransition(self.button_right.clicked, simulate)
animation = SelectionAnimation(
self.parent(), command=QItemSelectionModel.ClearAndSelect)
transition.addAnimation(animation)
simulate.addTransition(animation.finished, finalize)
return select_one
def set_up_machine(self):
self.machine = QStateMachine(self)
self.welcome = self._make_welcome()
self.machine.setInitialState(self.welcome)
dead = QFinalState(self.machine)
death = QEventTransition(self, QEvent.Close)
death.setTargetState(dead)
self.machine.addTransition(death)
def _make_welcome(self):
welcome = QState(self.run)
begin = QState(welcome)
finalize = QFinalState(welcome)
welcome.setInitialState(begin)
begin.assignProperty(self.label_msg, "text", "Welcome!")
begin.assignProperty(self.button_right, "text", "Start")
begin.assignProperty(self.button_right, "visible", True)
begin.assignProperty(self.button_left, "visible", False)
begin.addTransition(self.button_right.clicked, finalize)
return welcome
def _make_good_bye(self):
good_bye = QState(self.run)
begin = QState(good_bye)
finalize = QFinalState(good_bye)
good_bye.assignProperty(
self.label_msg, "text",
"<html>That's all for now. Hope you liked it.</html>")
good_bye.assignProperty(self.button_left, "visible", False)
good_bye.assignProperty(self.button_right, "enabled", True)
good_bye.assignProperty(self.button_right, "text", "Close")
good_bye.setInitialState(begin)
begin.addTransition(self.button_right.clicked, finalize)
return good_bye
def testBasic(self):
self.machine = QStateMachine()
s1 = QState()
s2 = QState()
s3 = QFinalState()
QObject.connect(self.machine, SIGNAL("started()"), self.cb)
self.anim = QParallelAnimationGroup()
self.machine.addState(s1)
self.machine.addState(s2)
self.machine.addState(s3)
self.machine.setInitialState(s1)
self.machine.addDefaultAnimation(self.anim)
self.machine.start()
QTimer.singleShot(100, self.app.quit)
self.app.exec_()
def _make_abort(self):
abort = QState(self.run)
dead = QFinalState(self.machine)
abort.addTransition(dead)
return abort
def __init__(self, parent):
super(HumanMatchingStateMachine, self).__init__()
self._parent = parent
self._test_timer = QTimer()
self._prediction_timer = QTimer()
self._initial_state = QState()
self._first_person_state = QState()
self._tracking_state = QState()
self._prediction_state = QState(self._tracking_state)
self._data_association_state = QState(self._tracking_state)
self._data_update_state = QState(self._tracking_state)
self._final_state = QFinalState()
self._tracking_state.setInitialState(self._prediction_state)
self.addState(self._initial_state)
self.addState(self._first_person_state)
self.addState(self._tracking_state)
# self.addState(self._prediction_state)
# self.addState(self._data_association_state)
# self.addState(self._data_update_state)
self.setInitialState(self._initial_state)
self._initial_state.addTransition(self.initial_to_first_person,
self._first_person_state)
self._first_person_state.addTransition(self.first_person_to_tracking,
self._tracking_state)
self._prediction_state.addTransition(self._test_timer.timeout,
self._prediction_state)
self._prediction_state.addTransition(
self.prediction_to_data_association, self._data_association_state)
self._data_association_state.addTransition(
self.data_association_to_data_update, self._data_update_state)
self._data_update_state.addTransition(self.data_update_to_prediction,
self._prediction_state)
self._initial_state.entered.connect(self._parent.initial_state_entered)
self._first_person_state.entered.connect(
self._parent.first_person_state_entered)
self._prediction_state.entered.connect(
self._parent.prediction_state_entered)
self._data_association_state.entered.connect(
self._parent.data_association_state_entered)
self._data_update_state.entered.connect(
self._parent.data_update_state_entered)
# self._initial_state.addTransition(self, SIGNAL('new_humans_signal()'), self._first_person_state)
# self._first_person_state.addTransition(self, SIGNAL('first_humans_updated_signal()'), self._tracking_state)
# self._prediction_state.addTransition(self._prediction_timer, SIGNAL('timeout()'), self._prediction_state)
# self._prediction_state.addTransition(self, SIGNAL('new_humans_signal()'), self._data_association_state)
# self._data_association_state.addTransition(self._test_timer, SIGNAL('timeout()'), self._data_update_state)
# self._data_association_state.addTransition(self._test_timer, SIGNAL('timeout()'), self._data_update_state)
# self._data_update_state.addTransition(self._test_timer, SIGNAL('timeout()'), self._prediction_state)
# self._initial_state.entered.connect(self._initial_state_method)
# self._first_person_state.entered.connect(self._first_person_state_method)
# self._prediction_state.entered.connect(self._prediction_state_method)
# self._data_association_state.entered.connect(self._data_association_state_method)
# self._data_update_state.entered.connect(self._data_update_state_method)
self._test_timer.start(1000 / 30)