PyQt5 QSpinBox - Getting Bounding Rectangle from the Children Region

PyQt5 QSpinBox - Getting Bounding Rectangle from the Children Region

To get the bounding rectangle from the children region of a QSpinBox or any other widget in PyQt5, you can utilize the childrenRegion() method. This method returns a QRegion object representing the combined region occupied by the widget's children. From this QRegion, you can obtain the bounding rectangle using the boundingRect() method.

Here's a basic example demonstrating how to get the bounding rectangle from the children region of a QSpinBox:

import sys from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QSpinBox, QLabel app = QApplication(sys.argv) class AppDemo(QWidget): def __init__(self): super().__init__() self.setWindowTitle("Bounding Rectangle Demo") self.setGeometry(100, 100, 300, 200) layout = QVBoxLayout() self.spinBox = QSpinBox(self) layout.addWidget(self.spinBox) self.label = QLabel(self) layout.addWidget(self.label) self.setLayout(layout) # Get the bounding rectangle from the children region of QSpinBox rect = self.spinBox.childrenRegion().boundingRect() self.label.setText(f"Bounding Rectangle: {rect.x()}, {rect.y()}, {rect.width()}, {rect.height()}") demo = AppDemo() demo.show() sys.exit(app.exec_())

In this example, we have a QSpinBox and a QLabel within a QVBoxLayout. The bounding rectangle's details from the children region of the QSpinBox are displayed in the QLabel. Note that if there are no child widgets, the bounding rectangle will have a width and height of 0.

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