如何将文本添加到 PyQt QcalendarWidget

问题描述

如何写入 QCalendarWidget 单元格?在 python 中，我不断收到画家不活跃的消息.有人可以帮我解决这个问题吗?

How does one write into the QCalendarWidget cell? In python, I keep getting painter not active message. Can someone help me out with this?

qp = QtGui.QPainter(self)
qp.setPen(QtGui.QColor(168, 34, 3))
qp.setFont(QtGui.QFont('Decorative', 10))
qp.drawText(rect, QtCore.Qt.AlignCenter, 'hello')

rect = QtCore.QRect()
date = QtCore.QDate.fromString('2020-01-01')
calendar = QtWidgets.QCalendarWidget(self)

calendar.paintCell(qp, rect, date)

谢谢

推荐答案

您必须从 QCalendarWidget 继承并覆盖 paintCell 方法.

You must inherit from QCalendarWidget and overwrite the paintCell method.

import sys
from PyQt5.QtCore    import Qt, QRectF, QDate
from PyQt5.QtGui     import QPainter, QColor, QFont
from PyQt5.QtWidgets import QCalendarWidget, QApplication

class CalendarWidget(QCalendarWidget):

    def paintCell(self, painter, rect, date):
        painter.setRenderHint(QPainter.Antialiasing, True)
        if date == QDate(2020, 1, 1):
            painter.save()
            painter.drawRect(rect)
            painter.setPen(QColor(168, 34, 3))
            painter.setFont(QFont('Decorative', 10))
            painter.drawText(QRectF(rect), Qt.TextSingleLine|Qt.AlignCenter, str(date.day()))
            painter.drawText(rect, Qt.AlignCenter, 'Hello\nWorld')

            painter.restore()
        else:
            QCalendarWidget.paintCell(self, painter, rect, date)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    w = CalendarWidget()
    w.show()
    sys.exit(app.exec_())

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