Uploaded July 2024 | Updated September 2026, 1 week ago

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#pythontutorial #python #pythonprogramming

# PyQt5 Layout Managers
import sys
from PyQt5.QtWidgets import (QApplication, QMainWindow, QLabel, QWidget, QVBoxLayout, QHBoxLayout, QGridLayout)

class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.setGeometry(700, 300, 500, 500)
self.initUI()

def initUI(self):
central_widget = QWidget()
self.setCentralWidget(central_widget)

label1 = QLabel("#1")
label2 = QLabel("#2")
label3 = QLabel("#3")
label4 = QLabel("#4")
label5 = QLabel("#5")

label1.setStyleSheet("background-color: red;")
label2.setStyleSheet("background-color: yellow;")
label3.setStyleSheet("background-color: green;")
label4.setStyleSheet("background-color: blue;")
label5.setStyleSheet("background-color: purple;")

# VERTICAL LAYOUT
# -----------------
# vbox = QVBoxLayout()

# vbox.addWidget(label1)
# vbox.addWidget(label2)
# vbox.addWidget(label3)
# vbox.addWidget(label4)
# vbox.addWidget(label5)

# central_widget.setLayout(vbox)

# HORIZONTAL LAYOUT
# -----------------
# hbox = QHBoxLayout()

# hbox.addWidget(label1)
# hbox.addWidget(label2)
# hbox.addWidget(label3)
# hbox.addWidget(label4)
# hbox.addWidget(label5)

# central_widget.setLayout(hbox)

# GRID LAYOUT
# -----------------
grid = QGridLayout()

grid.addWidget(label1, 0, 0)
grid.addWidget(label2, 0, 1)
grid.addWidget(label3, 1, 0)
grid.addWidget(label4, 1, 1)
grid.addWidget(label5, 1, 2)

central_widget.setLayout(grid)

def main():
app = QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec_())

if ___name___ == "__main__":
main()