창띄우기 20240908

## Ex 3-1. 창 띄우기.

import sys

from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon, QPixmap
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QVBoxLayout, QLabel, QMessageBox


# importing random stuff, esp if there's a red line you can just click n import


class MyApp(QWidget):

    def __init__(self):         # constructor
        super().__init__()
        self.initUI()

    def initUI(self):           # insert everything here
        # this (in java) = self (in python)
        self.setWindowTitle('hazelnut')
        self.move(300, 300)     # from left top corner
        self.resize(400, 200)   # horizontal, vertical
        self.show()

        self.setWindowTitle('Icon')
        self.setWindowIcon(QIcon('./iconic.jpg'))
        self.setGeometry(300, 300, 300, 200)
        self.show()

        btn1 = QPushButton('Hazel')
        btn1.clicked.connect(self.clickOnThis)

        btn2 = QPushButton('Bella')
        btn2.clicked.connect(self.clickyClick)

        pixmap = QPixmap('./iconic.jpg')

        lbl_img = QLabel()
        lbl_img.setPixmap(pixmap)
        lbl_size = QLabel('Width: ' + str(pixmap.width()) + ', Height: ' + str(pixmap.height()))
        lbl_size.setAlignment(Qt.AlignCenter)

        vbox = QVBoxLayout()
        vbox.addWidget(lbl_img)
        vbox.addWidget(lbl_size)
        self.setLayout(vbox)

        self.setWindowTitle('QPixmap')
        self.move(300, 300)
        self.show()

        vbox = QVBoxLayout()
        vbox.addWidget(btn1)
        vbox.addWidget(btn2)

        self.setLayout(vbox)

    def clickOnThis(self, event):
        reply = QMessageBox.question(self, 'Message', 'Is Hazel da GOAT?',
                                     QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
        if reply == QMessageBox.Yes:
            print('Hazel da GOAT')

        else:
            print("NOT TRUE!!!!")

    def clickyClick(self, event):
        reply = QMessageBox.question(self, 'Message', 'Is Bella da NOOB?',
                                     QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
        if reply == QMessageBox.Yes:
            print("Bella da NOOB")


        else:
            print("NOT TRUE!!!!")

# just leave this be
if __name__ == '__main__':
   app = QApplication(sys.argv)
   ex = MyApp()
   sys.exit(app.exec_())