坛里的各位高手，请教PyQt两个窗口间控件相互访问的
问题，如上图，
form1里有两个
按钮，Btn1和Btn2，当点击form1中Btn2的时候，会跳出form2面板，form2中有个按钮Btn3
我的想法是：当form2中Btn3被点击的时候，form1中的Btn1按钮设置使能设为False
困难点：当弹出form2时，点击Btn3，如何把这个消息告知Form1类，换句话说，Btn3如何访问Form1类，子类如何访问父类
怎么写，谢谢大家了
form1的
界面函数如下：
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'UI1.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 testui2 import ui2 #导入界面2的类
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)
class ui1(QtGui.QWidget):
def __init__(self, ):
super(ui1, self).__init__()
def setupUi(self, Form):
Form.setObjectName(_fromUtf8("Form"))
Form.resize(794, 591)
self.pushButton = QtGui.QPushButton(Form)
self.pushButton.setGeometry(QtCore.QRect(100, 180, 181, 111))
self.pushButton.setObjectName(_fromUtf8("pushButton"))
self.pushButton.setStyleSheet(_fromUtf8("background-color: rgb(85, 255, 0);"))
self.pushButton_2 = QtGui.QPushButton(Form)
self.pushButton_2.setGeometry(QtCore.QRect(360, 180, 181, 111))
self.pushButton_2.setObjectName(_fromUtf8("pushButton_2"))
self.pushButton_2.setStyleSheet(_fromUtf8("background-color: rgb(85, 255, 0);"))
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
QtCore.QObject.connect(self.pushButton_2, QtCore.SIGNAL(_fromUtf8("clicked()")), self.showUI2)
def showUI2(self):
self.showui2 = ui2()
self.showui2.show()
def retranslateUi(self, Form):
Form.setWindowTitle(_translate("Form", "Form1", None))
self.pushButton.setText(_translate("Form", "Btn1", None))
self.pushButton_2.setText(_translate("Form", "Btn2", None))
def main():
import sys
app = QtGui.QApplication(sys.argv)
widget = QtGui.QWidget()
ui = ui1()
ui.setupUi(
widget)
widget.show()
sys.exit(app.exec_())
pass
if __name__ == '__main__':
main()
form2的界面类函数(QT 设计师生成的代码):
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'UI2.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
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)
class ui2(QtGui.QWidget):
def __init__(self):
super(ui2, self).__init__()
self.setupUi(self)
self.retranslateUi(self)
# self.new = Main_GUI()
# self.setupUi(self)
self.flag=False
def setupUi(self, Form):
Form.setObjectName(_fromUtf8("Form"))
Form.resize(794, 591)
self.form = Form
self.pushButton = QtGui.QPushButton(Form)
self.pushButton.setGeometry(QtCore.QRect(100, 180, 181, 111))
self.pushButton.setObjectName(_fromUtf8("pushButton"))
self.pushButton.setStyleSheet(_fromUtf8("background-color: rgb(85, 255, 0);"))
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self, Form):
Form.setWindowTitle(_translate("Form", "Form2", None))
self.pushButton.setText(_translate("Form", "Btn3", None))
