import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *

class MyWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.setWindowTitle('SWH Academy Window.')
        self.setGeometry(200, 100, 600, 550)

        self.label = QLabel("", self)
        self.label.move(10, 20)
        self.label.resize(580, 460)
        
        self.catImg1 = QPixmap("cat1.jpeg")
        self.catImg2 = QPixmap("cat2.jpg")
        self.catImg3 = QPixmap("cat3.jpg")

        self.comboBox = QComboBox(self)
        self.comboBox.addItem('코야')
        self.comboBox.addItems(["레종", "유키"])
        self.comboBox.insertSeparator(2)
        self.comboBox.setCurrentIndex(0)
        self.comboBox.move(130, 500)
        self.comboBox.currentTextChanged.connect(self.comboBoxChanged)
        
        self.comboBoxChanged('코야')
        
    def comboBoxChanged(self, text):
        if text == '코야':
            self.label.setPixmap(self.catImg1)
        elif text == '레종':
            self.label.setPixmap(self.catImg2)
        else:
            self.label.setPixmap(self.catImg3)
    
'''
        self.comboBoxChanged()
    def comboBoxChanged(self):
        if self.comboBox.currentText() == '코야':
            self.label.setPixmap(self.catImg1)
        elif self.comboBox.currentText() == '레종':
            self.label.setPixmap(self.catImg2)
        else:
            self.label.setPixmap(self.catImg3)
'''
        
if __name__ == "__main__":
    app = QApplication(sys.argv)
    mywindow = MyWindow()
    mywindow.show()
    app.exec_()