Article Outline
Python pyqt (gui) example 'calendarwidget'
calendarwidget
Python pyqt example: calendarwidget
#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2015 Riverbank Computing Limited
## Copyright (C) 2010 Hans-Peter Jansen <[email protected]>.
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
## the names of its contributors may be used to endorse or promote
## products derived from this software without specific prior written
## permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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## $QT_END_LICENSE$
##
###########################################################################
from PyQt5.QtCore import QDate, QLocale, Qt
from PyQt5.QtGui import QFont, QTextCharFormat
from PyQt5.QtWidgets import (QApplication, QCalendarWidget, QCheckBox,
QComboBox, QDateEdit, QGridLayout, QGroupBox, QHBoxLayout, QLabel,
QLayout, QWidget)
class Window(QWidget):
def __init__(self):
super(Window, self).__init__()
self.createPreviewGroupBox()
self.createGeneralOptionsGroupBox()
self.createDatesGroupBox()
self.createTextFormatsGroupBox()
layout = QGridLayout()
layout.addWidget(self.previewGroupBox, 0, 0)
layout.addWidget(self.generalOptionsGroupBox, 0, 1)
layout.addWidget(self.datesGroupBox, 1, 0)
layout.addWidget(self.textFormatsGroupBox, 1, 1)
layout.setSizeConstraint(QLayout.SetFixedSize)
self.setLayout(layout)
self.previewLayout.setRowMinimumHeight(0,
self.calendar.sizeHint().height())
self.previewLayout.setColumnMinimumWidth(0,
self.calendar.sizeHint().width())
self.setWindowTitle("Calendar Widget")
def localeChanged(self, index):
self.calendar.setLocale(self.localeCombo.itemData(index))
def firstDayChanged(self, index):
self.calendar.setFirstDayOfWeek(
Qt.DayOfWeek(self.firstDayCombo.itemData(index)))
def selectionModeChanged(self, index):
self.calendar.setSelectionMode(
QCalendarWidget.SelectionMode(
self.selectionModeCombo.itemData(index)))
def horizontalHeaderChanged(self, index):
self.calendar.setHorizontalHeaderFormat(
QCalendarWidget.HorizontalHeaderFormat(
self.horizontalHeaderCombo.itemData(index)))
def verticalHeaderChanged(self, index):
self.calendar.setVerticalHeaderFormat(
QCalendarWidget.VerticalHeaderFormat(
self.verticalHeaderCombo.itemData(index)))
def selectedDateChanged(self):
self.currentDateEdit.setDate(self.calendar.selectedDate())
def minimumDateChanged(self, date):
self.calendar.setMinimumDate(date)
self.maximumDateEdit.setDate(self.calendar.maximumDate())
def maximumDateChanged(self, date):
self.calendar.setMaximumDate(date)
self.minimumDateEdit.setDate(self.calendar.minimumDate())
def weekdayFormatChanged(self):
format = QTextCharFormat()
format.setForeground(
Qt.GlobalColor(
self.weekdayColorCombo.itemData(
self.weekdayColorCombo.currentIndex())))
self.calendar.setWeekdayTextFormat(Qt.Monday, format)
self.calendar.setWeekdayTextFormat(Qt.Tuesday, format)
self.calendar.setWeekdayTextFormat(Qt.Wednesday, format)
self.calendar.setWeekdayTextFormat(Qt.Thursday, format)
self.calendar.setWeekdayTextFormat(Qt.Friday, format)
def weekendFormatChanged(self):
format = QTextCharFormat()
format.setForeground(
Qt.GlobalColor(
self.weekendColorCombo.itemData(
self.weekendColorCombo.currentIndex())))
self.calendar.setWeekdayTextFormat(Qt.Saturday, format)
self.calendar.setWeekdayTextFormat(Qt.Sunday, format)
def reformatHeaders(self):
text = self.headerTextFormatCombo.currentText()
format = QTextCharFormat()
if text == "Bold":
format.setFontWeight(QFont.Bold)
elif text == "Italic":
format.setFontItalic(True)
elif text == "Green":
format.setForeground(Qt.green)
self.calendar.setHeaderTextFormat(format)
def reformatCalendarPage(self):
if self.firstFridayCheckBox.isChecked():
firstFriday = QDate(self.calendar.yearShown(),
self.calendar.monthShown(), 1)
while firstFriday.dayOfWeek() != Qt.Friday:
firstFriday = firstFriday.addDays(1)
firstFridayFormat = QTextCharFormat()
firstFridayFormat.setForeground(Qt.blue)
self.calendar.setDateTextFormat(firstFriday, firstFridayFormat)
# May 1st in Red takes precedence.
if self.mayFirstCheckBox.isChecked():
mayFirst = QDate(self.calendar.yearShown(), 5, 1)
mayFirstFormat = QTextCharFormat()
mayFirstFormat.setForeground(Qt.red)
self.calendar.setDateTextFormat(mayFirst, mayFirstFormat)
def createPreviewGroupBox(self):
self.previewGroupBox = QGroupBox("Preview")
self.calendar = QCalendarWidget()
self.calendar.setMinimumDate(QDate(1900, 1, 1))
self.calendar.setMaximumDate(QDate(3000, 1, 1))
self.calendar.setGridVisible(True)
self.calendar.currentPageChanged.connect(self.reformatCalendarPage)
self.previewLayout = QGridLayout()
self.previewLayout.addWidget(self.calendar, 0, 0, Qt.AlignCenter)
self.previewGroupBox.setLayout(self.previewLayout)
def createGeneralOptionsGroupBox(self):
self.generalOptionsGroupBox = QGroupBox("General Options")
self.localeCombo = QComboBox()
curLocaleIndex = -1
index = 0
this_language = self.locale().nativeLanguageName()
this_country = self.locale().nativeCountryName()
for locale in QLocale.matchingLocales(QLocale.AnyLanguage, QLocale.AnyScript, QLocale.AnyCountry):
language = locale.nativeLanguageName()
country = locale.nativeCountryName()
if language == this_language and country == this_country:
curLocaleIndex = index
self.localeCombo.addItem('%s/%s' % (language, country), locale)
index += 1
if curLocaleIndex != -1:
self.localeCombo.setCurrentIndex(curLocaleIndex)
self.localeLabel = QLabel("&Locale")
self.localeLabel.setBuddy(self.localeCombo)
self.firstDayCombo = QComboBox()
self.firstDayCombo.addItem("Sunday", Qt.Sunday)
self.firstDayCombo.addItem("Monday", Qt.Monday)
self.firstDayCombo.addItem("Tuesday", Qt.Tuesday)
self.firstDayCombo.addItem("Wednesday", Qt.Wednesday)
self.firstDayCombo.addItem("Thursday", Qt.Thursday)
self.firstDayCombo.addItem("Friday", Qt.Friday)
self.firstDayCombo.addItem("Saturday", Qt.Saturday)
self.firstDayLabel = QLabel("Wee&k starts on:")
self.firstDayLabel.setBuddy(self.firstDayCombo)
self.selectionModeCombo = QComboBox()
self.selectionModeCombo.addItem("Single selection",
QCalendarWidget.SingleSelection)
self.selectionModeCombo.addItem("None",
QCalendarWidget.NoSelection)
self.selectionModeLabel = QLabel("&Selection mode:")
self.selectionModeLabel.setBuddy(self.selectionModeCombo)
self.gridCheckBox = QCheckBox("&Grid")
self.gridCheckBox.setChecked(self.calendar.isGridVisible())
self.navigationCheckBox = QCheckBox("&Navigation bar")
self.navigationCheckBox.setChecked(True)
self.horizontalHeaderCombo = QComboBox()
self.horizontalHeaderCombo.addItem("Single letter day names",
QCalendarWidget.SingleLetterDayNames)
self.horizontalHeaderCombo.addItem("Short day names",
QCalendarWidget.ShortDayNames)
self.horizontalHeaderCombo.addItem("Long day names",
QCalendarWidget.LongDayNames)
self.horizontalHeaderCombo.addItem("None",
QCalendarWidget.NoHorizontalHeader)
self.horizontalHeaderCombo.setCurrentIndex(1)
self.horizontalHeaderLabel = QLabel("&Horizontal header:")
self.horizontalHeaderLabel.setBuddy(self.horizontalHeaderCombo)
self.verticalHeaderCombo = QComboBox()
self.verticalHeaderCombo.addItem("ISO week numbers",
QCalendarWidget.ISOWeekNumbers)
self.verticalHeaderCombo.addItem("None",
QCalendarWidget.NoVerticalHeader)
self.verticalHeaderLabel = QLabel("&Vertical header:")
self.verticalHeaderLabel.setBuddy(self.verticalHeaderCombo)
self.localeCombo.currentIndexChanged.connect(self.localeChanged)
self.firstDayCombo.currentIndexChanged.connect(self.firstDayChanged)
self.selectionModeCombo.currentIndexChanged.connect(
self.selectionModeChanged)
self.gridCheckBox.toggled.connect(self.calendar.setGridVisible)
self.navigationCheckBox.toggled.connect(
self.calendar.setNavigationBarVisible)
self.horizontalHeaderCombo.currentIndexChanged.connect(
self.horizontalHeaderChanged)
self.verticalHeaderCombo.currentIndexChanged.connect(
self.verticalHeaderChanged)
checkBoxLayout = QHBoxLayout()
checkBoxLayout.addWidget(self.gridCheckBox)
checkBoxLayout.addStretch()
checkBoxLayout.addWidget(self.navigationCheckBox)
outerLayout = QGridLayout()
outerLayout.addWidget(self.localeLabel, 0, 0)
outerLayout.addWidget(self.localeCombo, 0, 1)
outerLayout.addWidget(self.firstDayLabel, 1, 0)
outerLayout.addWidget(self.firstDayCombo, 1, 1)
outerLayout.addWidget(self.selectionModeLabel, 2, 0)
outerLayout.addWidget(self.selectionModeCombo, 2, 1)
outerLayout.addLayout(checkBoxLayout, 3, 0, 1, 2)
outerLayout.addWidget(self.horizontalHeaderLabel, 4, 0)
outerLayout.addWidget(self.horizontalHeaderCombo, 4, 1)
outerLayout.addWidget(self.verticalHeaderLabel, 5, 0)
outerLayout.addWidget(self.verticalHeaderCombo, 5, 1)
self.generalOptionsGroupBox.setLayout(outerLayout)
self.firstDayChanged(self.firstDayCombo.currentIndex())
self.selectionModeChanged(self.selectionModeCombo.currentIndex())
self.horizontalHeaderChanged(self.horizontalHeaderCombo.currentIndex())
self.verticalHeaderChanged(self.verticalHeaderCombo.currentIndex())
def createDatesGroupBox(self):
self.datesGroupBox = QGroupBox(self.tr("Dates"))
self.minimumDateEdit = QDateEdit()
self.minimumDateEdit.setDisplayFormat('MMM d yyyy')
self.minimumDateEdit.setDateRange(self.calendar.minimumDate(),
self.calendar.maximumDate())
self.minimumDateEdit.setDate(self.calendar.minimumDate())
self.minimumDateLabel = QLabel("&Minimum Date:")
self.minimumDateLabel.setBuddy(self.minimumDateEdit)
self.currentDateEdit = QDateEdit()
self.currentDateEdit.setDisplayFormat('MMM d yyyy')
self.currentDateEdit.setDate(self.calendar.selectedDate())
self.currentDateEdit.setDateRange(self.calendar.minimumDate(),
self.calendar.maximumDate())
self.currentDateLabel = QLabel("&Current Date:")
self.currentDateLabel.setBuddy(self.currentDateEdit)
self.maximumDateEdit = QDateEdit()
self.maximumDateEdit.setDisplayFormat('MMM d yyyy')
self.maximumDateEdit.setDateRange(self.calendar.minimumDate(),
self.calendar.maximumDate())
self.maximumDateEdit.setDate(self.calendar.maximumDate())
self.maximumDateLabel = QLabel("Ma&ximum Date:")
self.maximumDateLabel.setBuddy(self.maximumDateEdit)
self.currentDateEdit.dateChanged.connect(self.calendar.setSelectedDate)
self.calendar.selectionChanged.connect(self.selectedDateChanged)
self.minimumDateEdit.dateChanged.connect(self.minimumDateChanged)
self.maximumDateEdit.dateChanged.connect(self.maximumDateChanged)
dateBoxLayout = QGridLayout()
dateBoxLayout.addWidget(self.currentDateLabel, 1, 0)
dateBoxLayout.addWidget(self.currentDateEdit, 1, 1)
dateBoxLayout.addWidget(self.minimumDateLabel, 0, 0)
dateBoxLayout.addWidget(self.minimumDateEdit, 0, 1)
dateBoxLayout.addWidget(self.maximumDateLabel, 2, 0)
dateBoxLayout.addWidget(self.maximumDateEdit, 2, 1)
dateBoxLayout.setRowStretch(3, 1)
self.datesGroupBox.setLayout(dateBoxLayout)
def createTextFormatsGroupBox(self):
self.textFormatsGroupBox = QGroupBox("Text Formats")
self.weekdayColorCombo = self.createColorComboBox()
self.weekdayColorCombo.setCurrentIndex(
self.weekdayColorCombo.findText("Black"))
self.weekdayColorLabel = QLabel("&Weekday color:")
self.weekdayColorLabel.setBuddy(self.weekdayColorCombo)
self.weekendColorCombo = self.createColorComboBox()
self.weekendColorCombo.setCurrentIndex(
self.weekendColorCombo.findText("Red"))
self.weekendColorLabel = QLabel("Week&end color:")
self.weekendColorLabel.setBuddy(self.weekendColorCombo)
self.headerTextFormatCombo = QComboBox()
self.headerTextFormatCombo.addItem("Bold")
self.headerTextFormatCombo.addItem("Italic")
self.headerTextFormatCombo.addItem("Plain")
self.headerTextFormatLabel = QLabel("&Header text:")
self.headerTextFormatLabel.setBuddy(self.headerTextFormatCombo)
self.firstFridayCheckBox = QCheckBox("&First Friday in blue")
self.mayFirstCheckBox = QCheckBox("May &1 in red")
self.weekdayColorCombo.currentIndexChanged.connect(
self.weekdayFormatChanged)
self.weekendColorCombo.currentIndexChanged.connect(
self.weekendFormatChanged)
self.headerTextFormatCombo.currentIndexChanged.connect(
self.reformatHeaders)
self.firstFridayCheckBox.toggled.connect(self.reformatCalendarPage)
self.mayFirstCheckBox.toggled.connect(self.reformatCalendarPage)
checkBoxLayout = QHBoxLayout()
checkBoxLayout.addWidget(self.firstFridayCheckBox)
checkBoxLayout.addStretch()
checkBoxLayout.addWidget(self.mayFirstCheckBox)
outerLayout = QGridLayout()
outerLayout.addWidget(self.weekdayColorLabel, 0, 0)
outerLayout.addWidget(self.weekdayColorCombo, 0, 1)
outerLayout.addWidget(self.weekendColorLabel, 1, 0)
outerLayout.addWidget(self.weekendColorCombo, 1, 1)
outerLayout.addWidget(self.headerTextFormatLabel, 2, 0)
outerLayout.addWidget(self.headerTextFormatCombo, 2, 1)
outerLayout.addLayout(checkBoxLayout, 3, 0, 1, 2)
self.textFormatsGroupBox.setLayout(outerLayout)
self.weekdayFormatChanged()
self.weekendFormatChanged()
self.reformatHeaders()
self.reformatCalendarPage()
def createColorComboBox(self):
comboBox = QComboBox()
comboBox.addItem("Red", Qt.red)
comboBox.addItem("Blue", Qt.blue)
comboBox.addItem("Black", Qt.black)
comboBox.addItem("Magenta", Qt.magenta)
return comboBox
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
Useful links
- Learn PyQt: https://pythonbasics.org/pyqt-hello-world/
- Install PyQt: https://pythonbasics.org/install-pyqt/