osdag_gui.py 文件源码

def check_range(self, widget, lblwidget, minVal, maxVal):

        '''(QlineEdit,QLable,Number,Number)---> NoneType
        Validating F_u(ultimate Strength) and F_y (Yeild Strength) textfields
        '''
        textStr = widget.text()
        val = int(textStr) 
        if(val < minVal or val > maxVal):
            QtGui.QMessageBox.about(self, 'Error', 'Please Enter a value between %s-%s' % (minVal, maxVal))
            widget.clear()
            widget.setFocus()
            palette = QtGui.QPalette()
            palette.setColor(QtGui.QPalette.Foreground, QtCore.Qt.red)
            lblwidget.setPalette(palette)
        else:
            palette = QtGui.QPalette()
            lblwidget.setPalette(palette)