from PyQt4.QtGui import * from PyQt4.QtCore import * class ZoomWidget(QSpinBox): def __init__(self, value=100): super(ZoomWidget, self).__init__() self.setButtonSymbols(QAbstractSpinBox.PlusMinus) self.setRange(1, 500) self.setSuffix(' %') self.setValue(value) self.setToolTip(u'Image zoom') self.setStatusTip(self.toolTip())