【PyQt4 实例30】改变鼠标形状

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# -*- coding: utf-8 -*-from PyQt4.QtGui import *from PyQt4.QtCore import *import sysQTextCodec.setCodecForTr(QTextCodec.codecForName("utf8"))class EventFilter(QDialog):    def __init__(self,parent=None):        super(EventFilter,self).__init__(parent)        self.setWindowTitle(self.tr("改变鼠标形状"))                self.ArrowButton = QPushButton(self.tr("Arrow"))        self.upArrowButton = QPushButton(self.tr("upArrow"))        self.CrossButton = QPushButton(self.tr("upArrow"))        layout = QGridLayout(self)        layout.addWidget(self.ArrowButton,0,0)        layout.addWidget(self.upArrowButton,0,1)         layout.addWidget(self.CrossButton,0,2)                        self.connect(self.ArrowButton,SIGNAL("clicked()"),self.slotArrow)        self.connect(self.upArrowButton,SIGNAL("clicked()"),self.slotupArrow)        self.connect(self.CrossButton,SIGNAL("clicked()"),self.slotCross)                self.resize(300,200)            def slotArrow(self):        self.setCursor(Qt.ArrowCursor)        def slotupArrow(self):        self.setCursor(Qt.UpArrowCursor)        def slotCross(self):        self.setCursor(Qt.CrossCursor)    app=QApplication(sys.argv)dialog=EventFilter()dialog.show()app.exec_()

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