Question

我想问两个关于我的代码的问题。首先，如何将我的单选按钮的位置移动到我想要的位置（我在代码中写了它）？取消选中后如何反转我的LCD屏幕？现在，它显示了＆＃39; 02＆＃39;如果选中，但我想在取消选中时反转该过程。任何解决方案？

class MyRadioButton(QtGui.QRadioButton):
    def __init__(self):
        super(MyRadioButton, self).__init__()
        self.value = None

    def SetValue(self, val):
        self.value = val

def GetValue(self):
    return self.value

class UserTool(QtGui.QDialog):
    def __init__(self, parent = None):
        super(UserTool, self).__init__()
        self.layout = QtGui.QVBoxLayout(self)
        self.setup(self)        

    def setup(self, Dialog):
        Dialog.setObjectName(_fromUtf8("Dialog"))
        self.resize(688, 677)
        self.lcdNumber = QtGui.QLCDNumber(Dialog)
        self.lcdNumber.setGeometry(QtCore.QRect(590, 10, 71, 23))
        self.lcdNumber.setFrameShadow(QtGui.QFrame.Raised)
        self.lcdNumber.setObjectName(_fromUtf8("lcdNumber"))
        self.lcdNumber.setStyleSheet("* {background-color: black; color: white;}")
        self.lcdNumber.display("00")
        self.radioButton_8 = MyRadioButton()
        self.radioButton_8.setText("A1")
        self.radioButton_8.SetValue("02")
        self.radioButton_8.toggled.connect(self.showValueFromRadioButtonToLCDNumber)
        self.layout.addWidget(self.radioButton_8)
       #self.radioButton_8 = QtGui.QRadioButton(Dialog)
        self.radioButton_8.setGeometry(QtCore.QRect(460, 10, 82, 17))
        self.radioButton_8.setChecked(False)
        self.radioButton_8.setAutoExclusive(False)
        self.radioButton_8.setObjectName(_fromUtf8("radioButton_8")) 

    def retranslateUi(self, Dialog):
        self.radioButton_8.setText(_translate("Dialog", "A1", None))


def showValueFromRadioButtonToLCDNumber(self):
    value = self.radioButton_8.GetValue()
    if self.radioButton_8.isChecked():
        self.lcdNumber.display(value)

Answer 1

这是一个有效的例子。为了显示以前的值，您需要在更改之前兑现该值的机制。要转移radioButton我使用addSpacing（）

# -*- coding: utf-8 -*-
import sys
from PyQt4 import QtCore, QtGui
from PyQt4.QtCore import Qt

class MyRadioButton(QtGui.QRadioButton):
    def __init__(self):
        super(MyRadioButton, self).__init__()
        self.value = None

    def SetValue(self, val):
        self.value = val

    def GetValue(self):
        return self.value

class Widget(QtGui.QWidget):
    def __init__(self):
        super(Widget, self).__init__()
        self.layout = QtGui.QVBoxLayout(self)

        self.radioButton = MyRadioButton()
        self.radioButton.setText("some text")
        self.radioButton.SetValue("02")
        self.radioButton.toggled.connect(self.showValueFromRadioButtonToLCDNumber)

        self.lcdNumber = QtGui.QLCDNumber()
        self.lcdNumber.display("-2")# previous value

        self.layoutHorizontal = QtGui.QHBoxLayout(self)
        self.layoutHorizontal.addSpacing(20)# add space before radioButton
        self.layoutHorizontal.addWidget(self.radioButton)

        self.layout.addLayout(self.layoutHorizontal)
        self.layout.addWidget(self.lcdNumber)

        self.previousValue = ""

    def showValueFromRadioButtonToLCDNumber(self):
        value = self.radioButton.GetValue()
        if self.radioButton.isChecked():
            self.previousValue = self.lcdNumber.value()# save previous value before it is changed
            self.lcdNumber.display(value)
        else:
            self.lcdNumber.display(self.previousValue)

取消选中时如何切换单选按钮的位置和反向单选按钮功能？

1 个答案: