Python PyQt5:QPushButton双击?
我找不到一个好的答案:有没有一种方法可以让双击执行某个函数,然后单击另一个函数??例如:Python PyQt5:QPushButton双击?,python,pyqt,python-3.4,pyqt5,qpushbutton,Python,Pyqt,Python 3.4,Pyqt5,Qpushbutton,我找不到一个好的答案:有没有一种方法可以让双击执行某个函数,然后单击另一个函数??例如: def func1(self): print('First function') def func2(self): print('Second function') self.ui.button.clicked.connect(self.func1) self.ui.button.doubleClicked.connect(self.func2) 我看到可以双击QTreeview,但不能双
def func1(self):
print('First function')
def func2(self):
print('Second function')
self.ui.button.clicked.connect(self.func1)
self.ui.button.doubleClicked.connect(self.func2)
我看到可以双击
QTreeview
,但不能双击QPushButton
。谢谢 通过扩展QPushButton
类,您可以轻松添加功能:
import sys
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
class QDoublePushButton(QPushButton):
doubleClicked = pyqtSignal()
clicked = pyqtSignal()
def __init__(self, *args, **kwargs):
QPushButton.__init__(self, *args, **kwargs)
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.clicked.emit)
super().clicked.connect(self.checkDoubleClick)
@pyqtSlot()
def checkDoubleClick(self):
if self.timer.isActive():
self.doubleClicked.emit()
self.timer.stop()
else:
self.timer.start(250)
class Window(QWidget):
def __init__(self, *args, **kwargs):
QWidget.__init__(self, *args, **kwargs)
self.button = QDoublePushButton("Test", self)
self.button.clicked.connect(self.on_click)
self.button.doubleClicked.connect(self.on_doubleclick)
self.layout = QHBoxLayout()
self.layout.addWidget(self.button)
self.setLayout(self.layout)
self.resize(120, 50)
self.show()
@pyqtSlot()
def on_click(self):
print("Click")
@pyqtSlot()
def on_doubleclick(self):
print("Doubleclick")
app = QApplication(sys.argv)
win = Window()
sys.exit(app.exec_())
不过,我不建议这样做。用户不希望双击按钮。您可以参考Microsoft指南。它有效。。但当我双击过快时,它会忽略第二次单击。真奇怪。