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Diffstat (limited to 'examples/widgets/state-machine/factstates/factstates.py')
-rw-r--r-- | examples/widgets/state-machine/factstates/factstates.py | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/examples/widgets/state-machine/factstates/factstates.py b/examples/widgets/state-machine/factstates/factstates.py deleted file mode 100644 index e8ca0ef43..000000000 --- a/examples/widgets/state-machine/factstates/factstates.py +++ /dev/null @@ -1,127 +0,0 @@ - -############################################################################# -## -## 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 (QFinalState, QSignalTransition, QState, - QStateMachine) - - -class Factorial(QObject): - x_changed = Signal(int) - - def __init__(self): - super().__init__() - self.xval = -1 - self.facval = 1 - - def get_x(self): - return self.xval - - def set_x(self, x): - if self.xval == x: - return - self.xval = x - self.x_changed.emit(x) - x = Property(int, get_x, set_x) - - def get_fact(self): - return self.facval - - def set_fact(self, fac): - self.facval = fac - - fac = Property(int, get_fact, set_fact) - - -class FactorialLoopTransition(QSignalTransition): - def __init__(self, fact): - super().__init__(fact, SIGNAL('x_changed(int)')) - self.fact = fact - - def eventTest(self, e): - if not super(FactorialLoopTransition, self).eventTest(e): - return False - return e.arguments()[0] > 1 - - def onTransition(self, e): - x = e.arguments()[0] - fac = self.fact.fac - self.fact.fac = x * fac - self.fact.x = x - 1 - - -class FactorialDoneTransition(QSignalTransition): - def __init__(self, fact): - super().__init__(fact, SIGNAL('x_changed(int)')) - self.fact = fact - - def eventTest(self, e): - if not super(FactorialDoneTransition, self).eventTest(e): - return False - return e.arguments()[0] <= 1 - - def onTransition(self, e): - print(self.fact.fac) - - -if __name__ == '__main__': - import sys - app = QCoreApplication(sys.argv) - factorial = Factorial() - machine = QStateMachine() - - compute = QState(machine) - compute.assignProperty(factorial, 'fac', 1) - compute.assignProperty(factorial, 'x', 6) - compute.addTransition(FactorialLoopTransition(factorial)) - - done = QFinalState(machine) - done_transition = FactorialDoneTransition(factorial) - done_transition.setTargetState(done) - compute.addTransition(done_transition) - - machine.setInitialState(compute) - machine.finished.connect(app.quit) - machine.start() - - sys.exit(app.exec()) |