diff options
author | Cristián Maureira-Fredes <Cristian.Maureira-Fredes@qt.io> | 2021-09-24 23:58:47 +0200 |
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committer | Cristián Maureira-Fredes <Cristian.Maureira-Fredes@qt.io> | 2021-09-27 08:42:25 +0200 |
commit | 7ecfbeea84f529dbd11029ab35fbca771d34516a (patch) | |
tree | 2f3693240653d1bbb0c4bef0645a2b2c978b8377 /examples/widgets/state-machine/ping_pong/ping_pong.py | |
parent | 653d8b9bb1297d05357d07767792ad46703c467e (diff) |
doc: fix warnings from rst files
Change-Id: I97166f7e89c0365f425d1f8b0b840b7ef066d0d7
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Diffstat (limited to 'examples/widgets/state-machine/ping_pong/ping_pong.py')
-rw-r--r-- | examples/widgets/state-machine/ping_pong/ping_pong.py | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/examples/widgets/state-machine/ping_pong/ping_pong.py b/examples/widgets/state-machine/ping_pong/ping_pong.py new file mode 100644 index 000000000..cd047a29d --- /dev/null +++ b/examples/widgets/state-machine/ping_pong/ping_pong.py @@ -0,0 +1,108 @@ + +############################################################################# +## +## Copyright (C) 2010 velociraptor Genjix <aphidia@hotmail.com> +## Copyright (C) 2021 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide6.QtWidgets import * +from PySide6.QtCore import * +from PySide6.QtStateMachine import QAbstractTransition, QState, QStateMachine + + +class PingEvent(QEvent): + def __init__(self): + super().__init__(QEvent.Type(QEvent.User + 2)) + + +class PongEvent(QEvent): + def __init__(self): + super().__init__(QEvent.Type(QEvent.User + 3)) + + +class Pinger(QState): + def __init__(self, parent): + super().__init__(parent) + + def onEntry(self, e): + self.p = PingEvent() + self.machine().postEvent(self.p) + print('ping?') + + +class PongTransition(QAbstractTransition): + def eventTest(self, e): + return e.type() == QEvent.User + 3 + + def onTransition(self, e): + self.p = PingEvent() + machine.postDelayedEvent(self.p, 500) + print('ping?') + + +class PingTransition(QAbstractTransition): + def eventTest(self, e): + return e.type() == QEvent.User + 2 + + def onTransition(self, e): + self.p = PongEvent() + machine.postDelayedEvent(self.p, 500) + print('pong!') + + +if __name__ == '__main__': + import sys + app = QCoreApplication(sys.argv) + + machine = QStateMachine() + group = QState(QState.ParallelStates) + group.setObjectName('group') + + pinger = Pinger(group) + pinger.setObjectName('pinger') + pinger.addTransition(PongTransition()) + + ponger = QState(group) + ponger.setObjectName('ponger') + ponger.addTransition(PingTransition()) + + machine.addState(group) + machine.setInitialState(group) + machine.start() + + sys.exit(app.exec()) |