PYQT4: критический ящик сообщений

Question

Хорошо, не уверен, что мне здесь не хватает. Я создал графическое приложение для работы, которое содержит кнопку закрытия. Я могу получить функцию closeEvent, если пользователь использует кнопку закрытия закрытого окна. Однако, когда они нажимают кнопку закрытия в графическом интерфейсе, я не могу произвести такой же эффект. Ниже приведен мой код, ошибка и изображение моего графического интерфейса, демонстрирующие мою проблему. Заранее спасибо за помощь.

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

# Form implementation generated from reading ui file 'icMainWin.ui' 
# 
# Created by: PyQt4 UI code generator 4.11.4 
# 
# WARNING! All changes made in this file will be lost! 

from PyQt4 import QtCore, QtGui 
from PyQt4.QtGui import * 
from PyQt4.QtCore import * 
import icMainWin_rc 
import sys 
import os 
import time 
import os.path as osp 
import ctypes 
from ctypes import wintypes 
import os 


try: 
    _fromUtf8 = QtCore.QString.fromUtf8 
except AttributeError: 
    def _fromUtf8(s): 
     return s 

try: 
    _encoding = QtGui.QApplication.UnicodeUTF8 
    def _translate(context, text, disambig): 
     return QtGui.QApplication.translate(context, text, disambig, _encoding) 
except AttributeError: 
    def _translate(context, text, disambig): 
     return QtGui.QApplication.translate(context, text, disambig) 



#setting the path variable for icon 
path = osp.join(osp.dirname(sys.modules[__name__].__file__), 'I:\\Infection Control System Database\images\Malware-icon.png') 
myappid = 'I:\\Infection Control System Database\images\Malware-icon.png' # arbitrary string 
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid) 
lpBuffer = wintypes.LPWSTR() 
AppUserModelID = ctypes.windll.shell32.GetCurrentProcessExplicitAppUserModelID 
AppUserModelID(ctypes.cast(ctypes.byref(lpBuffer), wintypes.LPWSTR)) 
appid = lpBuffer.value 
ctypes.windll.kernel32.LocalFree(lpBuffer) 
if appid is not None: 
    print(appid) 
class Ui_MainWindow(object): 
    def setupUi(self, MainWindow): 
     MainWindow.setObjectName(_fromUtf8("MainWindow")) 
     MainWindow.resize(905, 675) 
     MainWindow.setMinimumSize(QtCore.QSize(905, 675)) 
     MainWindow.setMaximumSize(QtCore.QSize(905, 680)) 
     font = QtGui.QFont() 
     font.setBold(False) 
     font.setWeight(50) 
     MainWindow.setFont(font) 
     icon = QtGui.QIcon() 
     icon.addPixmap(QtGui.QPixmap(_fromUtf8("I:\Infection Control System Database\Program Files\images\ICDatabaseImage.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off) 
     MainWindow.setWindowIcon(icon) 

Код Усе для проводки

 self.retranslateUi(MainWindow) 
     QtCore.QObject.connect(self.actionExit, QtCore.SIGNAL(_fromUtf8("triggered()")), self.btnExit.click) 
     QtCore.QObject.connect(self.actionWar_Room, QtCore.SIGNAL(_fromUtf8("triggered()")), self.cmdWarRoom.click) 
     QtCore.QObject.connect(self.actionFlu, QtCore.SIGNAL(_fromUtf8("triggered()")), self.btnFlu.click) 
     QtCore.QMetaObject.connectSlotsByName(MainWindow) 
     MainWindow.setTabOrder(self.btnExit, self.btnHelp) 
     MainWindow.setTabOrder(self.btnHelp, self.btnRequest) 
     MainWindow.setTabOrder(self.btnRequest, self.btnSOR_IFMC) 
     MainWindow.setTabOrder(self.btnSOR_IFMC, self.btnSOR_IAH) 
     MainWindow.setTabOrder(self.btnSOR_IAH, self.btnSOR_ILH) 
     MainWindow.setTabOrder(self.btnSOR_ILH, self.btnSOR_IMVH) 
     MainWindow.setTabOrder(self.btnSOR_IMVH, self.btnSOR_IFOH) 
     MainWindow.setTabOrder(self.btnSOR_IFOH, self.cmdEmail) 
     MainWindow.setTabOrder(self.cmdEmail, self.cmdHCSBrpt) 
     MainWindow.setTabOrder(self.cmdHCSBrpt, self.cmdWarRoom) 
     MainWindow.setTabOrder(self.cmdWarRoom, self.cmdReview) 
     MainWindow.setTabOrder(self.cmdReview, self.cmdIC_AccessDB) 
     MainWindow.setTabOrder(self.cmdIC_AccessDB, self.btnCaseCAUTI) 
     MainWindow.setTabOrder(self.btnCaseCAUTI, self.btnCaseCLABSI) 
     MainWindow.setTabOrder(self.btnCaseCLABSI, self.btnCaseSSI) 
     MainWindow.setTabOrder(self.btnCaseSSI, self.btnCaseVAP) 
     MainWindow.setTabOrder(self.btnCaseVAP, self.btnCaseLabID) 
     MainWindow.setTabOrder(self.btnCaseLabID, self.btnCaseMDRO) 
     MainWindow.setTabOrder(self.btnCaseMDRO, self.btnHH) 
     MainWindow.setTabOrder(self.btnHH, self.btnNHSN) 
     MainWindow.setTabOrder(self.btnNHSN, self.btnHAI) 
     MainWindow.setTabOrder(self.btnHAI, self.btnPremier) 
     MainWindow.setTabOrder(self.btnPremier, self.btnFlu) 
     MainWindow.setTabOrder(self.btnFlu, self.btnMicrosoft) 
     MainWindow.setTabOrder(self.btnMicrosoft, self.dateEdit) 
     MainWindow.setTabOrder(self.dateEdit, self.timeEdit) 

    def retranslateUi(self, MainWindow): 
     MainWindow.setWindowTitle(_translate("MainWindow", "Infection Control Database - Landing Page", None)) 
     self.lblWelcome.setText(_translate("MainWindow", "Welcome!", None)) 
     self.dateEdit.setDisplayFormat(_translate("MainWindow", "MMMM dd yyyy", None)) 
     self.btnExit.setStatusTip(_translate("MainWindow", "Exit Database", None)) 
     self.btnExit.setText(_translate("MainWindow", "Exit", None)) 
     self.btnExit.setShortcut(_translate("MainWindow", "Ctrl+Shift+Q", None)) 
     self.btnHelp.setText(_translate("MainWindow", "Help", None)) 
     self.btnRequest.setText(_translate("MainWindow", "Request ", None)) 
     self.grpReportsSOR.setStatusTip(_translate("MainWindow", "SOR Reports", None)) 
     self.grpReportsSOR.setTitle(_translate("MainWindow", "SOR Files", None)) 
     self.btnSOR_IFMC.setText(_translate("MainWindow", "IFMC", None)) 
     self.btnSOR_IAH.setText(_translate("MainWindow", "IAH", None)) 
     self.btnSOR_ILH.setText(_translate("MainWindow", "ILH", None)) 
     self.btnSOR_IMVH.setText(_translate("MainWindow", "IMVH", None)) 
     self.btnSOR_IFOH.setText(_translate("MainWindow", "IFOH", None)) 
     self.grp_EnterCaseData.setTitle(_translate("MainWindow", "Case Data Entry", None)) 
     self.btnCaseCAUTI.setStatusTip(_translate("MainWindow", "Enter CAUTI Case", None)) 
     self.btnCaseCAUTI.setText(_translate("MainWindow", "CAUTI Case", None)) 
     self.btnCaseCLABSI.setStatusTip(_translate("MainWindow", "Enter CLABSI Case ", None)) 
     self.btnCaseCLABSI.setText(_translate("MainWindow", "CLABSI Case", None)) 
     self.btnCaseSSI.setStatusTip(_translate("MainWindow", "Enter SSI Case", None)) 
     self.btnCaseSSI.setText(_translate("MainWindow", "SSI Case", None)) 
     self.btnCaseVAP.setStatusTip(_translate("MainWindow", "Enter VAP Case", None)) 
     self.btnCaseVAP.setText(_translate("MainWindow", "VAP Case", None)) 
     self.btnCaseLabID.setStatusTip(_translate("MainWindow", "Enter LabID Case", None)) 
     self.btnCaseLabID.setText(_translate("MainWindow", "LabID Case", None)) 
     self.btnCaseMDRO.setStatusTip(_translate("MainWindow", "Enter MDRO Cases", None)) 
     self.btnCaseMDRO.setText(_translate("MainWindow", "MDRO", None)) 
     self.cmdEmail.setText(_translate("MainWindow", "Email", None)) 
     self.cmdHCSBrpt.setText(_translate("MainWindow", "HCSB Report", None)) 
     self.cmdWarRoom.setText(_translate("MainWindow", "War Room Report", None)) 
     self.cmdReview.setText(_translate("MainWindow", "Review HAI Data", None)) 
     self.cmdIC_AccessDB.setText(_translate("MainWindow", "2011 IC Access Database", None)) 
     self.label.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-weight:600; color:#aa0000;\">Infection Control Database</span></p></body></html>", None)) 
     self.btnHH.setStatusTip(_translate("MainWindow", "Hand Hygiene Application", None)) 
     self.btnNHSN.setStatusTip(_translate("MainWindow", "NHSN Website", None)) 
     self.btnHAI.setStatusTip(_translate("MainWindow", "HAI Folder", None)) 
     self.btnPremier.setStatusTip(_translate("MainWindow", "Navigate to SafetySurveillor: https://ss.premierinc.com/Setnet/user/Login.po ", None)) 
     self.btnFlu.setStatusTip(_translate("MainWindow", "Flu Reports", None)) 
     self.groupBox.setStatusTip(_translate("MainWindow", "Navigate to Location", None)) 
     self.groupBox.setTitle(_translate("MainWindow", "Navigation ", None)) 
     self.menuFile.setTitle(_translate("MainWindow", "File", None)) 
     self.menuEnd_Processes.setTitle(_translate("MainWindow", "End Processes", None)) 
     self.menuView.setTitle(_translate("MainWindow", "View", None)) 
     self.menuReports.setTitle(_translate("MainWindow", "Reports", None)) 
     self.actionExit.setText(_translate("MainWindow", "Exit", None)) 
     self.actionExit.setShortcut(_translate("MainWindow", "Ctrl+Shift+Q", None)) 
     self.actionTerminate_Excel.setText(_translate("MainWindow", "Terminate Excel", None)) 
     self.actionTerminate_Access.setText(_translate("MainWindow", "Terminate Access", None)) 
     self.actionTerminate_Powerpoint.setText(_translate("MainWindow", "Terminate PowerP", None)) 
     self.actionTerminate_Word.setText(_translate("MainWindow", "Terminate Word", None)) 
     self.actionReset_Citrix.setText(_translate("MainWindow", "Reset Citrix", None)) 
     self.actionReset_Citrix.setStatusTip(_translate("MainWindow", "Reset Citrix Server", None)) 
     self.actionTerminate_Outlook.setText(_translate("MainWindow", "Terminate Outlook", None)) 
     self.actionHCSB.setText(_translate("MainWindow", "HCSB", None)) 
     self.actionWar_Room.setText(_translate("MainWindow", "War Room", None)) 
     self.actionFlu.setText(_translate("MainWindow", "Flu", None)) 

сигнала события (E-mail)

 self.cmdEmail.clicked.connect(self.EmailClicked) 

сигнала события (Выход)

 self.btnExit.clicked.connect(self.ExitClicked) 

Действие события (электронная почта)

def EmailClicked(self):os.startfile('C:\\Program Files\Microsoft Office\Office14\OUTLOOK.EXE') 

Действие Событие (Выход)

def ExitClicked(self): 
     ret = QMessageBox.critical(self, "Critical", 
       'Are you sure you want to exit?', QMessageBox.Ok, QMessageBox.Cancel) 
     ret = msgBox.exec_() 

     if ret == msgBox.Yes: 
      QtCore.QCoreApplication.instance().quit() 

class ControlMainWindow(QtGui.QMainWindow): 
    def __init__(self, parent=None): 
     super(ControlMainWindow, self).__init__(parent) 
     self.ui = Ui_MainWindow() 
     self.ui.setupUi(self) 



     self.ui.dateEdit.setDisplayFormat("MMM dd yyyy") 
     self.ui.timeEdit.setDisplayFormat("hh:mm:ss AP") 
     self.updateTime() 
     self.timer = QtCore.QTimer(self) 
     self.timer.timeout.connect(self.updateTime) 
     self.timer.start(1000) 

    def updateTime(self): 
     current = QtCore.QDateTime.currentDateTime() 
     self.ui.dateEdit.setDate(current.date()) 
     self.ui.timeEdit.setTime(current.time()) 


    def closeEvent(self, event): 
     result = QtGui.QMessageBox.critical(self, 
              "Confirm Exit...", 
              "Are you sure you want to exit?", 
              QtGui.QMessageBox.Yes | QtGui.QMessageBox.No) 
     event.ignore() 

     if result == QtGui.QMessageBox.Yes: 
      event.accept() 

if __name__ == '__main__': 
    app = QtGui.QApplication(sys.argv) 
    #app.setStyle("Classic") 
    mySW = ControlMainWindow() 
    mySW.show() 
    sys.exit(app.exec_()) 

Answer 1

код, который вы генерирует ошибку, потому что QMessageBox.critical потребности передать QObject объект и Ui_MainWindow нет.

class Ui_MainWindow(object): 
    .... 
    def ExitClicked(self): 
     ret = QMessageBox.critical(self, "Critical", 
       'Are you sure you want to exit?', QMessageBox.Ok, QMessageBox.Cancel) 
     ret = msgBox.exec_() 

     if ret == msgBox.Yes: 
      QtCore.QCoreApplication.instance().quit() 

Кроме того, вы хотите, чтобы нажать на кнопку, чтобы закрыть по умолчанию, и ваша новая кнопка закрытия имеет такое же поведение, вы должны подключить сигнал, который излучает новую кнопку с непосредственной функцией, так как рядом вызовы функции closeEvent ,

class Ui_MainWindow(object): 
    .... 


class ControlMainWindow(QtGui.QMainWindow): 
    def __init__(self, parent=None): 
     super(ControlMainWindow, self).__init__(parent) 
     self.ui = Ui_MainWindow() 
     self.ui.setupUi(self) 
     self.ui.btnExit.clicked.connect(self.close) 
     .... 

    def closeEvent(self, event): 
     result = QtGui.QMessageBox.critical(self, 
             "Confirm Exit...", 
             "Are you sure you want to exit?", 
             QtGui.QMessageBox.Yes | QtGui.QMessageBox.No) 
     event.ignore() 

     if result == QtGui.QMessageBox.Yes: 
      event.accept() 

Удалить подключение: self.btnExit.clicked.connect(self.ExitClicked) и функции def ExitClicked(self): ...