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我試圖將滑塊的值轉換爲函數,並在lineEdit小部件中顯示此函數的值。 這裏是我的代碼:如何將滑塊連接到PyQt4中的函數?
class MyForma1(object):
def AddWidgets1(self, Form):
Form.setObjectName(_fromUtf8("Form"))
Form.resize(579, 542)
self.horizontalSlider = QtGui.QSlider(Form)
self.horizontalSlider.setGeometry(QtCore.QRect(120, 380, 321, 31))
self.horizontalSlider.setOrientation(QtCore.Qt.Horizontal)
self.horizontalSlider.setInvertedAppearance(False)
self.horizontalSlider.setInvertedControls(False)
self.horizontalSlider.setObjectName(_fromUtf8("horizontalSlider"))
self.lineEdit = QtGui.QLineEdit(Form)
self.lineEdit.setGeometry(QtCore.QRect(112, 280, 331, 20))
self.lineEdit.setObjectName(_fromUtf8("lineEdit"))
self.retranslateUi(Form)
QtCore.QObject.connect(self.horizontalSlider, QtCore.SIGNAL('valueChanged(int)'), Form.changeText)
def retranslateUi(self, Form):
Form.setWindowTitle(_translate("Form", "Form", None))
class MyForma2(QtGui.QDialog, MyForma1):
def __init__(self, z11=0):
QtGui.QDialog.__init__(self)
self.AddWidgets1(self)
self.z = z11
def myfunc1(self):
self.z = self.horizontalSlider.value
def changeText(self):
self.myfunc1()
self.lineEdit.setText(str(self.z))
if __name__ == "__main__":
import sys
app = QtGui.QApplication(sys.argv)
Forma = MyForma2()
Forma.show()
sys.exit(app.exec_())
我想要檢索滑塊的值,並將其分配給self.z,在這種情況下,我想知道我應該不是寫這個是什麼: self.z = self.horizontalSlider.value