include/QtWidgets/qstackedwidget.h

0001 // Copyright (C) 2016 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003
0004 #ifndef QSTACKEDWIDGET_H
0005 #define QSTACKEDWIDGET_H
0006
0007 #include <QtWidgets/qtwidgetsglobal.h>
0008 #include <QtWidgets/qframe.h>
0009
0010 QT_REQUIRE_CONFIG(stackedwidget);
0011
0012 QT_BEGIN_NAMESPACE
0013
0014 class QStackedWidgetPrivate;
0015
0016 class Q_WIDGETS_EXPORT QStackedWidget : public QFrame
0017 {
0018     Q_OBJECT
0019
0020     Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
0021     Q_PROPERTY(int count READ count)
0022 public:
0023     explicit QStackedWidget(QWidget *parent = nullptr);
0024     ~QStackedWidget();
0025
0026     int addWidget(QWidget *w);
0027     int insertWidget(int index, QWidget *w);
0028     void removeWidget(QWidget *w);
0029
0030     QWidget *currentWidget() const;
0031     int currentIndex() const;
0032
0033     int indexOf(const QWidget *) const;
0034     QWidget *widget(int) const;
0035     int count() const;
0036
0037 public Q_SLOTS:
0038     void setCurrentIndex(int index);
0039     void setCurrentWidget(QWidget *w);
0040
0041 Q_SIGNALS:
0042     void currentChanged(int);
0043     void widgetRemoved(int index);
0044     void widgetAdded(int index);
0045
0046 protected:
0047     bool event(QEvent *e) override;
0048
0049 private:
0050     Q_DISABLE_COPY(QStackedWidget)
0051     Q_DECLARE_PRIVATE(QStackedWidget)
0052 };
0053
0054 QT_END_NAMESPACE
0055
0056 #endif // QSTACKEDWIDGET_H