라즈베리파이 본격수업 4일차 (PyQT)

-pyqt 설치

sudo apt-get install python3-pyqt5

sudo apt-get install qttools5-dev-tools 

-ui 사용

1.

1)윈도우에서 C:\Users\w\anaconda3\Library\bin 에 있는 qt design으로 ui 파일 생성

안녕하세요 글 넣어봄 

2)cmd에서 pyuic5 -x hello.ui -o hello.py (ui파일을 py파일로 생성)

 

3)py파일 안의 내용을 복사해서 라즈베리파이에서 실행

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'hello.ui'
#
# Created by: PyQt5 UI code generator 5.9.2
#
# WARNING! All changes made in this file will be lost!

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_Dialog(object):
    def setupUi(self, Dialog):
        Dialog.setObjectName("Dialog")
        Dialog.resize(400, 300)
        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
        self.buttonBox.setGeometry(QtCore.QRect(30, 240, 341, 32))
        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.pushButton = QtWidgets.QPushButton(Dialog)
        self.pushButton.setGeometry(QtCore.QRect(150, 100, 91, 31))
        self.pushButton.setObjectName("pushButton")

        self.retranslateUi(Dialog)
        self.buttonBox.accepted.connect(Dialog.accept)
        self.buttonBox.rejected.connect(Dialog.reject)
        QtCore.QMetaObject.connectSlotsByName(Dialog)

    def retranslateUi(self, Dialog):
        _translate = QtCore.QCoreApplication.translate
        Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
        self.pushButton.setText(_translate("Dialog", "안녕하세요"))


if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    Dialog = QtWidgets.QDialog()
    ui = Ui_Dialog()
    ui.setupUi(Dialog)
    Dialog.show()
    sys.exit(app.exec_())

 

- hello 누르면 welcome창 뜸 

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'hello.ui'
#
# Created by: PyQt5 UI code generator 5.9.2
#
# WARNING! All changes made in this file will be lost!

from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QMessageBox

def button_click():
    print("Button Pressed")
    QMessageBox.information(Dialog, 'Example','Welcome')

class Ui_Dialog(object):
    def setupUi(self, Dialog):
        Dialog.setObjectName("Dialog")
        Dialog.resize(400, 300)
        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
        self.buttonBox.setGeometry(QtCore.QRect(30, 240, 341, 32))
        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
        self.buttonBox.setObjectName("buttonBox")
        self.pushButton1 = QtWidgets.QPushButton(Dialog)
        self.pushButton1.setGeometry(QtCore.QRect(140, 70, 131, 91))
        self.pushButton1.setObjectName("pushButton1")
        

        self.retranslateUi(Dialog)
        self.buttonBox.accepted.connect(Dialog.accept)
        self.buttonBox.rejected.connect(Dialog.reject)
        QtCore.QMetaObject.connectSlotsByName(Dialog)

    def retranslateUi(self, Dialog):
        _translate = QtCore.QCoreApplication.translate
        Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
        self.pushButton1.setText(_translate("Dialog", "hello"))
        self.pushButton1.clicked.connect( button_click )
        
if __name__=="__main__":
    import sys
    app=QtWidgets.QApplication(sys.argv)
    Dialog=QtWidgets.QDialog()
    ui=Ui_Dialog()
    ui.setupUi(Dialog)
    Dialog.show()
    sys.exit(app.exec_())

 

 

 

- 라즈베리 안에 있는 Qt 5 Designer 실행 후 ui 생성 후 저장 (a.ui)

- 파이썬 파일과 ui파일이 같은 폴더에 있어야 함 

 loadUi('a.ui',self) : 파일 이름 적기 

import sys
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QApplication, QDialog
from PyQt5.uic import loadUi

class MyQtProgramming(QDialog):
    def __init__(self):
        super(MyQtProgramming, self).__init__()
        loadUi('a.ui',self)
        self.setWindowTitle("My Hello Program")
        self.pushButton.clicked.connect(self.on_pushButton_clicked)
    
    @pyqtSlot()
    def on_pushButton_clicked(self):
        self.label.setText('Welcome : '+self.lineEdit.text())
        
app=QApplication(sys.argv)
widget=MyQtProgramming()
widget.show()
sys.exit(app.exec_())