tutorial-pyqt/label_button.py at main · WargaSlowy/tutorial-pyqt · GitHub

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import sys
from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QPushButton, QVBoxLayout
from PyQt6.QtCore import Qt, pyqtSlot
from random import choice


class AplikasiKita(QWidget):
    def __init__(self) -> None:
        super().__init__()
        self.inisialisasi_interface()

    def inisialisasi_interface(self) -> None:
        self.setGeometry(300, 300, 400, 250)

        self.label_utama: QLabel = QLabel("", self)
        self.label_utama.setAlignment(Qt.AlignmentFlag.AlignCenter)
        self.label_utama.setStyleSheet(
            """
        font-size: 18px;
        font-weight: bold;
        color: #2c3e50;
        padding: 20px;
        """
        )

        self.tombol_aksi: QPushButton = QPushButton("klik untuk ganti si label", self)
        self.tombol_aksi.setStyleSheet(
            """
        font-size: 16px;
        background-color: #3498db;
        border-radius: 8px;
        """
        )
        self.tombol_aksi.clicked.connect(self.saat_tombol_ditekan)

        self.layout_utama: QVBoxLayout = QVBoxLayout()
        self.layout_utama.addWidget(self.label_utama)
        self.layout_utama.addWidget(self.tombol_aksi)
        self.setLayout(self.layout_utama)

    @pyqtSlot()
    def saat_tombol_ditekan(self) -> None:
        nama: list[str] = [
            "amba",
            "arief",
            "arfy",
            "nongpal",
            "mamad",
            "mochie",
            "vinz",
            "mas rusdi",
            "mas gatot penjas",
            "xaviera",
            "sandhika galih",
        ]
        self.label_utama.setText(choice(nama))
        print("label diganti!")


if __name__ == "__main__":
    aplikasi: QApplication = QApplication(sys.argv)

    jendela: AplikasiKita = AplikasiKita()
    jendela.show()

    sys.exit(aplikasi.exec())