If I add a widget to QStackedLayout the count() show me the correct number of stacked layout. However if I use addChildLayout the count() show one less layout. I'm not able to access the layout that is created as a child layout.
"""
Stacked Layout
"""
from PyQt6.QtCore import QSize, Qt
from PyQt6.QtWidgets import (
QApplication,
QMainWindow,
QPushButton,
QLabel,
QStackedLayout,
QVBoxLayout,
QWidget
)
from random import randint
import sys
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.setWindowTitle("Stacked Layout")
self.setStyleSheet("background-color: teal;")
self.setMinimumSize(QSize(300, 300))
self.page_0_lbl = QLabel("Page 0")
self.page_0_lbl.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.page_0_btn = QPushButton("Botton 0")
self.page_1 = QLabel("Page 1")
self.page_1.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.page_2 = QLabel("Page 2")
self.page_2.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.vlayout_0 = QVBoxLayout()
self.vlayout_0.addWidget(self.page_0_lbl)
self.vlayout_0.addWidget(self.page_0_btn)
self.stackedLayout = QStackedLayout()
# <0>
self.stackedLayout.addChildLayout(self.vlayout_0)
# self.stackedLayout.addWidget(self.page_0_lbl)
# <1>
self.stackedLayout.addWidget(self.page_1)
# <2>
self.stackedLayout.addWidget(self.page_2)
self.stackedLayout.setCurrentIndex(0)
print(f"{self.stackedLayout.count() = }")
widget = QWidget()
widget.setLayout(self.stackedLayout)
self.setCentralWidget(widget)
app = QApplication(sys.argv)
w = MainWindow()
w.show()
app.exec()