1 /****************************************************************************
2 **
3 ** Copyright (C) 2018 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtWidgets module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 #ifndef QCALENDARWIDGET_H
41 #define QCALENDARWIDGET_H
42 
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtWidgets/qwidget.h>
45 #include <QtCore/qdatetime.h>
46 
47 QT_REQUIRE_CONFIG(calendarwidget);
48 
49 QT_BEGIN_NAMESPACE
50 
51 class QDate;
52 class QTextCharFormat;
53 class QCalendarWidgetPrivate;
54 
55 class Q_WIDGETS_EXPORT QCalendarWidget : public QWidget
56 {
57     Q_OBJECT
58     Q_ENUMS(Qt::DayOfWeek)
59     Q_PROPERTY(QDate selectedDate READ selectedDate WRITE setSelectedDate)
60     Q_PROPERTY(QDate minimumDate READ minimumDate WRITE setMinimumDate)
61     Q_PROPERTY(QDate maximumDate READ maximumDate WRITE setMaximumDate)
62     Q_PROPERTY(Qt::DayOfWeek firstDayOfWeek READ firstDayOfWeek WRITE setFirstDayOfWeek)
63     Q_PROPERTY(bool gridVisible READ isGridVisible WRITE setGridVisible)
64     Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
65     Q_PROPERTY(HorizontalHeaderFormat horizontalHeaderFormat READ horizontalHeaderFormat WRITE setHorizontalHeaderFormat)
66     Q_PROPERTY(VerticalHeaderFormat verticalHeaderFormat READ verticalHeaderFormat WRITE setVerticalHeaderFormat)
67     Q_PROPERTY(bool navigationBarVisible READ isNavigationBarVisible WRITE setNavigationBarVisible)
68     Q_PROPERTY(bool dateEditEnabled READ isDateEditEnabled WRITE setDateEditEnabled)
69     Q_PROPERTY(int dateEditAcceptDelay READ dateEditAcceptDelay WRITE setDateEditAcceptDelay)
70 
71 public:
72     enum HorizontalHeaderFormat {
73         NoHorizontalHeader,
74         SingleLetterDayNames,
75         ShortDayNames,
76         LongDayNames
77     };
78     Q_ENUM(HorizontalHeaderFormat)
79 
80     enum VerticalHeaderFormat {
81         NoVerticalHeader,
82         ISOWeekNumbers
83     };
84     Q_ENUM(VerticalHeaderFormat)
85 
86     enum SelectionMode {
87         NoSelection,
88         SingleSelection
89     };
90     Q_ENUM(SelectionMode)
91 
92     explicit QCalendarWidget(QWidget *parent = nullptr);
93     ~QCalendarWidget();
94 
95     virtual QSize sizeHint() const override;
96     virtual QSize minimumSizeHint() const override;
97 
98     QDate selectedDate() const;
99 
100     int yearShown() const;
101     int monthShown() const;
102 
103     QDate minimumDate() const;
104     void setMinimumDate(const QDate &date);
105 
106     QDate maximumDate() const;
107     void setMaximumDate(const QDate &date);
108 
109     Qt::DayOfWeek firstDayOfWeek() const;
110     void setFirstDayOfWeek(Qt::DayOfWeek dayOfWeek);
111 
112     bool isNavigationBarVisible() const;
113     bool isGridVisible() const;
114 
115     QCalendar calendar() const;
116     void setCalendar(QCalendar calendar);
117 
118     SelectionMode selectionMode() const;
119     void setSelectionMode(SelectionMode mode);
120 
121     HorizontalHeaderFormat horizontalHeaderFormat() const;
122     void setHorizontalHeaderFormat(HorizontalHeaderFormat format);
123 
124     VerticalHeaderFormat verticalHeaderFormat() const;
125     void setVerticalHeaderFormat(VerticalHeaderFormat format);
126 
127     QTextCharFormat headerTextFormat() const;
128     void setHeaderTextFormat(const QTextCharFormat &format);
129 
130     QTextCharFormat weekdayTextFormat(Qt::DayOfWeek dayOfWeek) const;
131     void setWeekdayTextFormat(Qt::DayOfWeek dayOfWeek, const QTextCharFormat &format);
132 
133     QMap<QDate, QTextCharFormat> dateTextFormat() const;
134     QTextCharFormat dateTextFormat(const QDate &date) const;
135     void setDateTextFormat(const QDate &date, const QTextCharFormat &format);
136 
137     bool isDateEditEnabled() const;
138     void setDateEditEnabled(bool enable);
139 
140     int dateEditAcceptDelay() const;
141     void setDateEditAcceptDelay(int delay);
142 
143 protected:
144     bool event(QEvent *event) override;
145     bool eventFilter(QObject *watched, QEvent *event) override;
146     void mousePressEvent(QMouseEvent *event) override;
147     void resizeEvent(QResizeEvent * event) override;
148     void keyPressEvent(QKeyEvent * event) override;
149 
150     virtual void paintCell(QPainter *painter, const QRect &rect, const QDate &date) const;
151     void updateCell(const QDate &date);
152     void updateCells();
153 
154 public Q_SLOTS:
155     void setSelectedDate(const QDate &date);
156     void setDateRange(const QDate &min, const QDate &max);
157     void setCurrentPage(int year, int month);
158     void setGridVisible(bool show);
159     void setNavigationBarVisible(bool visible);
160     void showNextMonth();
161     void showPreviousMonth();
162     void showNextYear();
163     void showPreviousYear();
164     void showSelectedDate();
165     void showToday();
166 
167 Q_SIGNALS:
168     void selectionChanged();
169     void clicked(const QDate &date);
170     void activated(const QDate &date);
171     void currentPageChanged(int year, int month);
172 
173 private:
174     Q_DECLARE_PRIVATE(QCalendarWidget)
175     Q_DISABLE_COPY(QCalendarWidget)
176 
177     Q_PRIVATE_SLOT(d_func(), void _q_slotShowDate(const QDate &date))
178     Q_PRIVATE_SLOT(d_func(), void _q_slotChangeDate(const QDate &date))
179     Q_PRIVATE_SLOT(d_func(), void _q_slotChangeDate(const QDate &date, bool changeMonth))
180     Q_PRIVATE_SLOT(d_func(), void _q_editingFinished())
181     Q_PRIVATE_SLOT(d_func(), void _q_prevMonthClicked())
182     Q_PRIVATE_SLOT(d_func(), void _q_nextMonthClicked())
183     Q_PRIVATE_SLOT(d_func(), void _q_yearEditingFinished())
184     Q_PRIVATE_SLOT(d_func(), void _q_yearClicked())
185     Q_PRIVATE_SLOT(d_func(), void _q_monthChanged(QAction *act))
186 
187 };
188 
189 QT_END_NAMESPACE
190 
191 #endif // QCALENDARWIDGET_H
192