Pyqt6 Widgets _hot_ Guide

def update_combo_label(self, text): self.combo_label.setText(f"Selected: text") app = QApplication(sys.argv) window = DemoWindow() window.show() sys.exit(app.exec()) | Use Case | Recommended Widget | |--------------|------------------------| | Simple text input | QLineEdit | | Multi-line text | QTextEdit | | Numeric bounded input | QSpinBox | | Yes/No option | QCheckBox | | Exclusive choice (2-5 options) | QRadioButton + QButtonGroup | | Exclusive choice (many options) | QComboBox | | List of strings | QListWidget | | Table of editable data | QTableWidget | | Hierarchical data | QTreeWidget | | Progress indication | QProgressBar | | Form layout | QFormLayout + QLineEdit / QComboBox | | Image display | QLabel with QPixmap |

button = QPushButton("Click Me") label = QLabel("Not clicked") button.clicked.connect(lambda: label.setText("Clicked!")) pyqt6 widgets

from PyQt6.QtWidgets import * from PyQt6.QtCore import Qt layout = QHBoxLayout() layout.addWidget(QLabel("Name:")) layout.addWidget(QLineEdit()) layout.setStretchFactor(layout.itemAt(1).widget(), 1) # Text field expands Every widget emits signals (events) that connect to other widget methods or custom functions: def update_combo_label(self, text): self