plasma: new Plasma::CalendarWidget class

to be used by the clock and calendar applets

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

includes/CMakeLists.txt

@@ -539,6 +539,7 @@ install(
     Plasma/ToolTipContent
     Plasma/ToolTipManager
     Plasma/TreeView
+    Plasma/CalendarWidget
     Plasma/Version
     Plasma/View
     Plasma/Wallpaper

includes/Plasma/CalendarWidget

@@ -0,0 +1 @@
+#include "../../plasma/widgets/calendarwidget.h"

plasma/CMakeLists.txt

@@ -138,6 +138,7 @@ set(plasma_LIB_SRCS
     widgets/textbrowser.cpp
     widgets/treeview.cpp
     widgets/textedit.cpp
+    widgets/calendarwidget.cpp
 )
 
 set_source_files_properties(
@@ -256,6 +257,7 @@ install(
     widgets/textbrowser.h
     widgets/treeview.h
     widgets/textedit.h
+    widgets/calendarwidget.h
     DESTINATION ${KDE4_INCLUDE_INSTALL_DIR}/plasma/widgets
 )
 

plasma/widgets/calendarwidget.cpp

@@ -0,0 +1,83 @@
+/*
+ *   Copyright 2023 Ivailo Monev <xakepa10@gmail.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include "calendarwidget.h"
+#include "private/style_p.h"
+#include "kcalendarwidget.h"
+
+namespace Plasma
+{
+
+class CalendarWidgetPrivate
+{
+public:
+    Plasma::Style::Ptr style;
+};
+
+CalendarWidget::CalendarWidget(QGraphicsWidget *parent)
+    : QGraphicsProxyWidget(parent),
+      d(new CalendarWidgetPrivate())
+{
+    KCalendarWidget *native = new KCalendarWidget();
+    setWidget(native);
+    native->setWindowIcon(QIcon());
+    native->setAttribute(Qt::WA_NoSystemBackground);
+    // the popup of the navigation bar does not inherit the WA_NoSystemBackground attribute
+    native->setNavigationBarVisible(false);
+    connect(native, SIGNAL(clicked(QDate)), this, SIGNAL(clicked(QDate)));
+    connect(native, SIGNAL(activated(QDate)), this, SIGNAL(activated(QDate)));
+
+    d->style = Plasma::Style::sharedStyle();
+    native->setStyle(d->style.data());
+}
+
+CalendarWidget::~CalendarWidget()
+{
+    delete d;
+    Plasma::Style::doneWithSharedStyle();
+}
+
+void CalendarWidget::setSelectedDate(const QDate &date)
+{
+    nativeWidget()->setSelectedDate(date);
+}
+
+QDate CalendarWidget::selectedDate() const
+{
+    return nativeWidget()->selectedDate();
+}
+
+void CalendarWidget::setStyleSheet(const QString &stylesheet)
+{
+    widget()->setStyleSheet(stylesheet);
+}
+
+QString CalendarWidget::styleSheet()
+{
+    return widget()->styleSheet();
+}
+
+KCalendarWidget *CalendarWidget::nativeWidget() const
+{
+    return static_cast<KCalendarWidget*>(widget());
+}
+
+}
+
+#include "moc_calendarwidget.cpp"

plasma/widgets/calendarwidget.h

@@ -0,0 +1,90 @@
+/*
+ *   Copyright 2023 Ivailo Monev <xakepa10@gmail.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef PLASMA_CALENDARWIDGET_H
+#define PLASMA_CALENDARWIDGET_H
+
+#include <QtGui/QGraphicsProxyWidget>
+
+#include <plasma/plasma_export.h>
+
+class KCalendarWidget;
+
+namespace Plasma
+{
+
+class CalendarWidgetPrivate;
+
+/**
+ * @class CalendarWidget plasma/widgets/calendarwidget.h <Plasma/Widgets/CalendarWidget>
+ *
+ * @short Provides a plasma-themed KCalendarWidget.
+ */
+class PLASMA_EXPORT CalendarWidget : public QGraphicsProxyWidget
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QDate selectedDate READ selectedDate WRITE setSelectedDate)
+    Q_PROPERTY(QGraphicsWidget *parentWidget READ parentWidget)
+    Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
+    Q_PROPERTY(KCalendarWidget *nativeWidget READ nativeWidget)
+
+public:
+    explicit CalendarWidget(QGraphicsWidget *parent = 0);
+    ~CalendarWidget();
+
+    /**
+     * @return the date selected
+     */
+    QDate selectedDate() const;
+
+    /**
+     * Sets the selected data
+     *
+     * @param model the model to display
+     */
+    void setSelectedDate(const QDate &date);
+
+    /**
+     * Sets the stylesheet used to control the visual display of this CalendarWidget
+     *
+     * @param stylesheet a CSS string
+     */
+    void setStyleSheet(const QString &stylesheet);
+
+    /**
+     * @return the stylesheet currently used with this widget
+     */
+    QString styleSheet();
+
+    /**
+     * @return the native widget wrapped by this CalendarWidget
+     */
+    KCalendarWidget *nativeWidget() const;
+
+Q_SIGNALS:
+    void clicked(QDate);
+    void activated(QDate);
+
+private:
+    CalendarWidgetPrivate *const d;
+};
+
+}
+#endif // multiple inclusion guard