PyQt5 QCalendarWidget - 释放抓取的鼠标输入

在本文中，我们将了解如何取消抓取，即释放 QCalendarWidget 的鼠标输入。通过抓取鼠标，日历不会受到影响，只是它不接收任何鼠标事件。 setFocus像往常一样移动焦点，但新的焦点小部件仅在releaseMouse后才接收鼠标事件。我们可以借助grabMouse方法来抓取鼠标。

In order to do this we will use releaseMouse method with the QCalendarWidget object.

Syntax : calendar.releaseMouse()

Argument : It takes no argument

Return : It return None

编程需要懂一点英语

下面是实现

Python3

# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 650, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for components
    def UiComponents(self):
  
        # creating a QCalendarWidget object
        self.calendar = QCalendarWidget(self)
  
        # setting geometry to the calendar
        self.calendar.setGeometry(50, 10, 400, 250)
  
        # setting cursor
        self.calendar.setCursor(Qt.PointingHandCursor)
  
        # grabbing mouse input
        self.calendar.grabMouse()
  
        # releasing mouse input
        self.calendar.releaseMouse()
  
          
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

输出：
鼠标和键盘输入都在工作