aboutsummaryrefslogtreecommitdiffstats
path: root/examples/statemachine/eventtrans/eventtrans.py
diff options
context:
space:
mode:
Diffstat (limited to 'examples/statemachine/eventtrans/eventtrans.py')
-rw-r--r--examples/statemachine/eventtrans/eventtrans.py57
1 files changed, 57 insertions, 0 deletions
diff --git a/examples/statemachine/eventtrans/eventtrans.py b/examples/statemachine/eventtrans/eventtrans.py
new file mode 100644
index 000000000..b1c74a21f
--- /dev/null
+++ b/examples/statemachine/eventtrans/eventtrans.py
@@ -0,0 +1,57 @@
+# Copyright (C) 2010 velociraptor Genjix <aphidia@hotmail.com>
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import sys
+
+from PySide6.QtCore import QEvent, QRect, Qt
+from PySide6.QtWidgets import QApplication, QMainWindow, QPushButton
+from PySide6.QtStateMachine import QEventTransition, QState, QStateMachine
+
+
+class MainWindow(QMainWindow):
+ def __init__(self):
+ super().__init__()
+ button = QPushButton(self)
+ button.setGeometry(QRect(100, 100, 100, 100))
+
+ machine = QStateMachine(self)
+ s1 = QState()
+ s1.assignProperty(button, 'text', 'Outside')
+ s2 = QState()
+ s2.assignProperty(button, 'text', 'Inside')
+
+ enter_transition = QEventTransition(button, QEvent.Enter)
+ enter_transition.setTargetState(s2)
+ s1.addTransition(enter_transition)
+
+ leave_transition = QEventTransition(button, QEvent.Leave)
+ leave_transition.setTargetState(s1)
+ s2.addTransition(leave_transition)
+
+ s3 = QState()
+ s3.assignProperty(button, 'text', 'Pressing...')
+
+ press_transition = QEventTransition(button, QEvent.MouseButtonPress)
+ press_transition.setTargetState(s3)
+ s2.addTransition(press_transition)
+
+ release_transition = QEventTransition(button, QEvent.MouseButtonRelease)
+ release_transition.setTargetState(s2)
+ s3.addTransition(release_transition)
+
+ machine.addState(s1)
+ machine.addState(s2)
+ machine.addState(s3)
+
+ machine.setInitialState(s1)
+ machine.start()
+
+ self.setCentralWidget(button)
+ self.show()
+
+
+if __name__ == '__main__':
+ app = QApplication(sys.argv)
+ main_win = MainWindow()
+ sys.exit(app.exec())