擅长:python、mysql、java
<p>您应该能够通过重写事件而不执行任何操作来否决该事件。在</p>
<pre><code>from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import pyqtSignal
import os,sys
class HoverButton(QtGui.QToolButton):
def enterEvent(self,event):
print("Enter")
#button.setStyleSheet("opacity:.5;")
def leaveEvent(self,evt):
print "LeaveEvent"
#button.setStyleSheet("opacity:1;")
app = QtGui.QApplication(sys.argv)
button = HoverButton()
button.show()
sys.exit(app.exec_())
</code></pre>