如果你想跟踪事件并且你不能覆盖类,解决方案是安装一个事件过滤器,在你的情况下,只是事件,我们MouseButtonRelease
必须过滤viewport()
:QTextBrowser
import sys
from PyQt5.QtCore import QEvent
from PyQt5.QtWidgets import QMainWindow, QApplication
import TeamInsight
class MainWindow(QMainWindow, TeamInsight.Ui_MainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setupUi(self)
self.browserInput.viewport().installEventFilter(self)
self.browserInput.setText("some text")
def eventFilter(self, obj, event):
if obj is self.browserInput.viewport():
if event.type() == QEvent.MouseButtonRelease:
if self.browserInput.textCursor().hasSelection():
start = self.browserInput.textCursor().selectionStart()
end = self.browserInput.textCursor().selectionEnd()
print(start, end)
elif event.type() == QEvent.MouseButtonPress:
print("event mousePressEvent")
return QMainWindow.eventFilter(self, obj, event)
if __name__ == '__main__':
app = QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())