이벤트 내용 잠시 저장

import sys

import numpy as np

from PyQt5.QtWidgets import *

class Main(QDialog):

    def __init__(self):

        super().__init__()

        self.init_ui()

    def init_ui(self):

        main_layout =QVBoxLayout()

        ## #레이아웃 틀 잡기 ###

        layout_operation_solution = QFormLayout()

        layout_funct1 = QGridLayout()

        layout_number = QGridLayout()

        layout_funct2 =QGridLayout()

        ### layout_number 과 layout_funct2를 담을 layout_part ###

        layout_part = QHBoxLayout()

        ### 수식 입력 & 결과 가 나타나는 operation_solution 창 구현 ###

        self.operation_solution = QLineEdit()

        layout_operation_solution.addRow("", self.operation_solution)

        self.operation_solution.setSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding)

        ### 기능 funct1 버튼 구현 ###

        ###나머지

        button_remainder = QPushButton("%")

        ##CE

        button_clear_entry = QPushButton("CE")

        ## C

        button_clear = QPushButton("C")

        button_backspace = QPushButton("지우기")

        ### 1/x

        button_reciprocal =QPushButton("1/x")

        ### 제곱

        button_square = QPushButton("제곱")

        ### 제곱근

        button_square_root=QPushButton("제곱근")

        ### 나누기

        button_division = QPushButton("÷")

        #이벤트 추가하기

        button_remainder.clicked.connect(self.button_remainder_clicked)

        button_clear_entry.clicked.connect(self.button_clear_entry_clicked)

        button_clear.clicked.connect(self.button_clear_clicked)

        button_backspace.clicked.connect(self.button_backspace_clicked)

        button_reciprocal.clicked.connect(self.button_reciprocal_clicked)

        button_square.clicked.connect(self.button_square_clicked)

        button_square_root.clicked.connect(self.button_square_root_clicked)

        button_division.clicked.connect(self.button_division_clicked)

        layout_funct1.addWidget(button_remainder,0 , 0)

        layout_funct1.addWidget(button_clear_entry,0 , 1)

        layout_funct1.addWidget(button_clear,0 ,2)

        layout_funct1.addWidget(button_backspace,0 ,3)

        layout_funct1.addWidget(button_reciprocal,1 , 0)

        layout_funct1.addWidget(button_square,1,1)

        layout_funct1.addWidget(button_square_root,1 ,2)

        layout_funct1.addWidget(button_division,1 , 3)

        ### layout_funct2 구성하기 ###

        button_product = QPushButton("x")

        button_minus =QPushButton("-")

        button_plus = QPushButton("+")

        button_result = QPushButton("=")

        button_plus_minus = QPushButton("+/-")

        button_add_dot = QPushButton(".")

       

        ### 사칙연산 이벤트 추가하기 ###

        button_plus.clicked.connect(self.button_plus_clicked)

        layout_funct2.addWidget(button_product,0,3)

        layout_funct2.addWidget(button_minus,1,3)

        layout_funct2.addWidget(button_plus,2,3)

        layout_funct2.addWidget(button_result,3,3)

        layout_funct2.addWidget(button_plus_minus,3,0)

        layout_funct2.addWidget(button_add_dot,3,2)

        np = {}

        for number in range(0, 10):

            np[number] = QPushButton(str(number))

            np[number].clicked.connect(lambda state, num = number:

                                                       self.number_button_clicked(num))

            if number > 0:

                x, y = divmod(number - 1, 3)

                # 3으로 나눴을 때 몫과 나머지에 따라 배치를 하면 된다.

                if x==0:

                    layout_number.addWidget(np[number], 2, y)

                elif x==2:

                    layout_number.addWidget(np[number], 0, y)

                else:

                    layout_number.addWidget(np[number], x, y)

            elif number == 0:

                layout_number.addWidget(np[number], 3, 1)

        layout_part.addLayout(layout_number)

        layout_number.addLayout(layout_funct2)

        ###main_layout에 추가 ###

        main_layout.addLayout(layout_operation_solution)

        main_layout.addLayout(layout_funct1)

        main_layout.addLayout(layout_part)

        self.setLayout(main_layout)

        self.resize(400, 400)

        self.show()

    def button_remainder_clicked(self):

        operation_solution = self.operation_solution.text()

        operation_solution += "%"

        self.operation_solution.setText(operation_solution)

    def button_clear_entry_clicked(self):

        operation_solution = self.operation_solution

        operation_solution.setText("0")

    def button_clear_clicked(self):

        operation_solution = self.operation_solution

        operation_solution.setText("0")

    def button_backspace_clicked(self):

        print(2)

    def button_reciprocal_clicked(self):

        operation_solution = self.operation_solution

        operation_solution.setText(np.reciprocal(operation_solution))

    def button_square_clicked(self):

        print(4)

    def button_square_root_clicked(self):

        print(5)

    def button_division_clicked(self):

        operation_solution = self.operation_solution.text()

        operation_solution += "÷"

        self.operation_solution.setText(operation_solution)

    def button_plus_clicked(self):

        operation_solution = self.operation_solution.text()

        operation_solution += "+"

        self.operation_solution.setText(operation_solution)

    def button_minus_clicked(self):

        operation_solution = self.operation_solution.text()

        operation_solution += "-"

        self.operation_solution.setText(operation_solution)

    def button_production_clicked(self):

        operation_solution = self.operation_solution.text()

        operation_solution += "x"

        self.operation_solution.setText(operation_solution)

    def number_button_clicked(self,num):

        operation_solution = self.operation_solution.text()

        operation_solution += str(num)

        self.operation_solution.setText(operation_solution)

if __name__ =='__main__':

    app = QApplication(sys.argv)

    main = Main()

    sys.exit(app.exec_())