1 files changed, 73 insertions, 0 deletions
diff --git a/examples/widgets/tutorials/cannon/t7.py b/examples/widgets/tutorials/cannon/t7.py
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index 000000000..1175107b8
--- /dev/null
+++ b/examples/widgets/tutorials/cannon/t7.py
@@ -0,0 +1,73 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+# PySide6 tutorial 7
+
+
+import sys
+
+from PySide6.QtCore import Signal, Slot, Qt
+from PySide6.QtGui import QFont
+from PySide6.QtWidgets import (QApplication, QGridLayout, QLCDNumber,
+                               QPushButton, QSlider, QVBoxLayout, QWidget)
+
+
+class LCDRange(QWidget):
+
+    value_changed = Signal(int)
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        lcd = QLCDNumber(2)
+
+        self.slider = QSlider(Qt.Horizontal)
+        self.slider.setRange(0, 99)
+        self.slider.setValue(0)
+
+        self.slider.valueChanged.connect(lcd.display)
+        self.slider.valueChanged.connect(self.value_changed)
+
+        layout = QVBoxLayout(self)
+        layout.addWidget(lcd)
+        layout.addWidget(self.slider)
+
+    def value(self):
+        return self.slider.value()
+
+    @Slot(int)
+    def set_value(self, value):
+        self.slider.setValue(value)
+
+
+class MyWidget(QWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        quit = QPushButton("Quit")
+        quit.setFont(QFont("Times", 18, QFont.Bold))
+        quit.clicked.connect(qApp.quit)  # noqa: F821
+
+        previous_range = None
+
+        layout = QVBoxLayout(self)
+        layout.addWidget(quit)
+        grid = QGridLayout()
+        layout.addLayout(grid)
+
+        for row in range(3):
+            for column in range(3):
+                lcd_range = LCDRange()
+                grid.addWidget(lcd_range, row, column)
+
+                if previous_range:
+                    lcd_range.value_changed.connect(previous_range.set_value)
+
+                previous_range = lcd_range
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    widget = MyWidget()
+    widget.show()
+    sys.exit(app.exec())