13. PyQt6 信号和插槽
2023-10-17 python 364
import sys from PyQt6.QtWidgets import QApplication, QMainWindow, QLCDNumber, QSlider, QVBoxLayout, QWidget from PyQt6.QtGui import QGuiApplication from PyQt6.QtCore import Qt class App(QMainWindow): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setWindowTitle("PyQt6 信号和插槽") lcd = QLCDNumber(self) sld = QSlider(Qt.Orientation.Horizontal, self) vbox = QVBoxLayout() vbox.addWidget(lcd) vbox.addWidget(sld) w = QWidget() w.setLayout(vbox) self.setCentralWidget(w) sld.valueChanged.connect(lcd.display) self.setGeometry(100, 100, 400, 300) self.center() def center(self): qr = self.frameGeometry() cp = QGuiApplication.primaryScreen().availableGeometry().center() qr.moveCenter(cp) self.move(qr.topLeft()) if __name__ == "__main__": app = QApplication(sys.argv) cls_app = App() cls_app.show() sys.exit(app.exec())
很赞哦! (0)
相关文章
文章评论
-
-
-
0条评论