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

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import sys
from PyQt6.QtWidgets import (
    QApplication,
    QWidget,
    QLabel,
    QLineEdit,
    QPushButton,
    QVBoxLayout,
)
from PyQt6.QtCore import Qt, pyqtSlot


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

    def inisialisasi_interface(self) -> None:
        self.setWindowTitle("program kita")
        self.setGeometry(300, 300, 400, 250)

        self.label_instruksi: QLabel = QLabel("masukkan nama kamu: ", self)
        self.label_instruksi.setAlignment(Qt.AlignmentFlag.AlignLeft)

        self.input_teks: QLineEdit = QLineEdit(self)
        self.input_teks.setPlaceholderText("masukkan nama kamu disni ... :)")
        self.input_teks.setStyleSheet(
            """
            font-size: 16px;
            padding: 8px;
            border: 2px solid #bdc3c7;
            border-radius: 8px;
            """
        )

        self.tombol_proses: QPushButton = QPushButton("proses", self)
        self.tombol_proses.setStyleSheet(
            """
            font-weight: bold;
            padding: 10px;
            """
        )
        self.tombol_proses.clicked.connect(self.saat_tombol_ditekan)

        self.label_hasil: QLabel = QLabel("nama kamu disini...", self)
        self.label_hasil.setAlignment(Qt.AlignmentFlag.AlignCenter)
        self.label_hasil.setStyleSheet(
            """
            font-size: 18px;
            padding: 15px;
            margin-top: 10px;
            """
        )

        self.layout_utama: QVBoxLayout = QVBoxLayout()
        self.layout_utama.addWidget(self.label_instruksi)
        self.layout_utama.addWidget(self.input_teks)
        self.layout_utama.addWidget(self.tombol_proses)
        self.layout_utama.addWidget(self.label_hasil)

        self.setLayout(self.layout_utama)

    @pyqtSlot()
    def saat_tombol_ditekan(self) -> None:
        teks_dari_input: str = self.input_teks.text().strip()

        if teks_dari_input == "":
            self.label_hasil.setText("kamu tidak ketik apa-apa")
            self.label_hasil.setStyleSheet(
                """
                font-size: 18px;
                color: #e74c3c;
                font-weight: bold;
                padding: 15px;
                margin-top: 10px;
                """
            )
        else:
            self.label_hasil.setText(f"wello {teks_dari_input}, apa kabar?")
            self.label_hasil.setStyleSheet(
                """
                font-size: 18px;
                color: #27ae60;
                font-weight: bold;
                padding: 15px;
                margin-top: 10px;
                """
            )

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

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

    sys.exit(aplikasi.exec())