PyQt5 QCalendarWidget – 从全局映射坐标系

在本文中，我们将了解如何将坐标系从全局映射到 QCalendarWidget。为了做到这一点，我们使用 mapFromGlobal 方法，它将全局屏幕坐标位置转换为日历坐标。

In order to do this we will use mapFromGlobal method with the QCalendarWidget object.
Syntax : calendar.mapFromGlobal(point)
Argument : It takes QPoint object as argument
Return : It return QPoint object

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
 
# QCalendarWidget Class
class Calendar(QCalendarWidget):
 
    # constructor
    def __init__(self, parent = None):
        super(Calendar, self).__init__(parent)
 
 
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
        # as Calendar class inherits QCalendarWidget
        self.calendar = Calendar(self)
 
        # setting geometry to the calendar
        self.calendar.setGeometry(50, 10, 400, 250)
 
        # setting cursor
        self.calendar.setCursor(Qt.PointingHandCursor)
 
        # creating label to show the properties
        self.label = QLabel(self)
 
        # setting geometry to the label
        self.label.setGeometry(100, 280, 250, 60)
 
        # making label multi line
        self.label.setWordWrap(True)
 
        # mapping to widget co-ordinate system from global
        value = self.calendar.mapFromGlobal(QPoint(50, 10))
 
        # setting text to the label
        self.label.setText("Mapped Point from Global : " + str(value))
 
 
 
# create pyqt5 app
App = QApplication(sys.argv)
 
# create the instance of our Window
window = Window()
 
# start the app
sys.exit(App.exec())

输出：