我想在每个标签中添加相同的菜单栏。我已经定义了每个选项卡和菜单栏（当前位置很大）。我该怎么做呢？
使用Python 2.7将代码输入Anaconda的iPython笔记本中。
import sys
import webbrowser
from PyQt4 import QtGui, QtCore
class BeginExplorerWidget(QtGui.QTabWidget):
def __init__(self, parent=None):
super(BeginExplorerWidget, self).__init__(parent)
#tab: documentation refering to source datasets
info1 = QtGui.QLabel(self)
info1.setText ("\n\nProQinase Cancer Cell Lines:\nProQinase offers custom-tailored development of cell-based assays and customized generation of stable cell lines.\nInquire about our custom-tailored services and the 310 cell-lines we have in house for completing:\nCellular Phosphorylation, Cell Proliferation, Soft Agar (Clonogenic), Cell Migration, 3D Tumor Spheroid, and Angiogenesis Assays.\n")
info1.setStyleSheet("font-size: 14px; qproperty-alignment: AlignJustify")
info2 = QtGui.QLabel(self)
info2.setText ("\n\nReference Cancer Cell Lines:\nmRNA data was curated from the Cancer Cell Line Encyclopedia (CCLE) and Cancer Genome Project (CGP).\nRevised R code attained from Inconsistency in Large Pharmacogenomic Studies by Haibe-Kains et al., was used as the foundation of analysis.\nUse this section to view published data.")
info2.setStyleSheet("font-size: 14px; qproperty-alignment: AlignJustify")
info3 = QtGui.QLabel(self)
info3.setText ("\n\nPharmacogenomic Data:\nData collected from the ProQinase cell line database along with CCLE and CGP reveal which drugs have been tested on specific cancer cell lines")
info3.setStyleSheet("font-size: 14px; qproperty-alignment: AlignJustify")
info4 = QtGui.QLabel(self)
info4.setText ("\n\nPathway Analysis:\nThis platform is still under development.")
info4.setStyleSheet("font-size: 14px; qproperty-alignment: AlignJustify")
icon1 = QtGui.QPixmap('C:\Users\stor0616\Desktop\GUI\ProQinase_Logo_Targeting_Cancer.png')
icon1_scaled = icon1.scaled(200,100, QtCore.Qt.IgnoreAspectRatio)
label1 = QtGui.QLabel(self)
label1.setPixmap(icon1_scaled)
icon2 = QtGui.QPixmap('C:\Users\stor0616\Desktop\GUI\CCLE.png')
icon2_scaled = icon2.scaled(200,100, QtCore.Qt.IgnoreAspectRatio)
label2 = QtGui.QLabel(self)
label2.setPixmap(icon2_scaled)
icon3 = QtGui.QPixmap('C:\Users\stor0616\Desktop\GUI\drugs.jpg')
icon3_scaled = icon3.scaled(200,100, QtCore.Qt.IgnoreAspectRatio)
label3 = QtGui.QLabel(self)
label3.setPixmap(icon3_scaled)
icon4 = QtGui.QPixmap('C:\Users\stor0616\Desktop\GUI\drugs.jpg')
icon4_scaled = icon4.scaled(200,100, QtCore.Qt.IgnoreAspectRatio)
label4 = QtGui.QLabel(self)
label4.setPixmap(icon4_scaled)
#tab1: ProQinase Cancer Cell Line Explorer
pushButton1 = QtGui.QPushButton("QPushButton 1")
pushButton2 = QtGui.QPushButton("QPushButton 2")
tab = QtGui.QWidget()
tab1 = QtGui.QWidget()
tab2 = QtGui.QWidget()
tab3 = QtGui.QWidget()
tab4 = QtGui.QWidget()
#layouts for including texts
grid = QtGui.QGridLayout()
grid.addWidget(label1, 0,0)
grid.addWidget(info1, 0,1)
grid.addWidget(label2, 1,0)
grid.addWidget(info2, 1,1)
grid.addWidget(label3, 2,0)
grid.addWidget(info3, 2,1)
grid.addWidget(label4, 3,0)
grid.addWidget(info4, 3,1)
tab.setLayout(grid)
vBoxlayout = QtGui.QVBoxLayout()
vBoxlayout.addWidget(pushButton1)
vBoxlayout.addWidget(pushButton2)
#Set Layout for Third Tab Page
tab3.setLayout(vBoxlayout)
self.addTab(tab, "Documentation")
self.addTab(tab1,"ProQinase Cancer Cell Lines")
self.addTab(tab2,"Reference Cancer Cell Lines")
self.addTab(tab3,"Pharmacogenomic Data")
self.addTab(tab4, "Pathway Analysis")
#Main menu
extractAction = QtGui.QAction("Home", self)
extractAction.setShortcut("Ctrl+H")
extractAction.setStatusTip('Return Home')
extractAction.triggered.connect(self.close_application)
extractAction1 = QtGui.QAction("Explorer", self)
extractAction1.setShortcut("Ctrl+E")
extractAction1.setStatusTip('Enter Explorer')
extractAction1.triggered.connect(self.close_application)
extractAction2 = QtGui.QAction("Saved Data", self)
extractAction2.setShortcut("Ctrl+S")
extractAction2.setStatusTip('View Saved Data')
extractAction2.triggered.connect(self.close_application)
extractAction3 = QtGui.QAction("Export", self)
extractAction3.setShortcut("Ctrl+X")
extractAction3.setStatusTip('Export Data')
extractAction3.triggered.connect(self.close_application)
extractAction4 = QtGui.QAction("Quit", self)
extractAction4.setShortcut("Ctrl+Q")
extractAction4.setStatusTip('Quit PCCLE')
extractAction4.triggered.connect(self.close_application)
extractAction5 = QtGui.QAction("Contact", self)
extractAction5.setShortcut("Ctrl+C")
extractAction5.setStatusTip('Contact ProQinase Representatives')
extractAction5.triggered.connect(self.close_application)
self.mainMenu = QtGui.QMenuBar(self)
fileMenu = self.mainMenu.addMenu('&File')
fileMenu.addAction(extractAction)
fileMenu.addAction(extractAction1)
fileMenu.addSeparator()
fileMenu.addAction(extractAction2)
fileMenu.addAction(extractAction3)
fileMenu.addAction(extractAction4)
fileMenu.addSeparator()
fileMenu.addAction(extractAction5)
self.show()
def close_application(self):
choice = QtGui.QMessageBox.question(self, 'Quit!',
"Are you sure you would like to quit PCCLE?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No)
if choice == QtGui.QMessageBox.Yes:
print("Quitting")
sys.exit()
else:
pass
if __name__ == '__main__':
app = QtGui.QApplication([])
window = BeginExplorerWidget()
window.show()
app.exec_()