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- /****************************************************************************
- **
- ** Copyright (C) 2016 The Qt Company Ltd.
- ** Contact: https://www.qt.io/licensing/
- **
- ** This file is part of the QtWidgets module of the Qt Toolkit.
- **
- ** $QT_BEGIN_LICENSE:LGPL$
- ** Commercial License Usage
- ** Licensees holding valid commercial Qt licenses may use this file in
- ** accordance with the commercial license agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and The Qt Company. For licensing terms
- ** and conditions see https://www.qt.io/terms-conditions. For further
- ** information use the contact form at https://www.qt.io/contact-us.
- **
- ** GNU Lesser General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU Lesser
- ** General Public License version 3 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.LGPL3 included in the
- ** packaging of this file. Please review the following information to
- ** ensure the GNU Lesser General Public License version 3 requirements
- ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License version 2.0 or (at your option) the GNU General
- ** Public license version 3 or any later version approved by the KDE Free
- ** Qt Foundation. The licenses are as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
- ** included in the packaging of this file. Please review the following
- ** information to ensure the GNU General Public License requirements will
- ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
- ** https://www.gnu.org/licenses/gpl-3.0.html.
- **
- ** $QT_END_LICENSE$
- **
- ****************************************************************************/
- #ifndef QDESKTOPWIDGET_H
- #define QDESKTOPWIDGET_H
- #include <QtWidgets/qwidget.h>
- QT_BEGIN_NAMESPACE
- class QApplication;
- class QDesktopWidgetPrivate;
- class Q_WIDGETS_EXPORT QDesktopWidget : public QWidget
- {
- Q_OBJECT
- Q_PROPERTY(bool virtualDesktop READ isVirtualDesktop)
- Q_PROPERTY(int screenCount READ screenCount NOTIFY screenCountChanged)
- Q_PROPERTY(int primaryScreen READ primaryScreen NOTIFY primaryScreenChanged)
- public:
- QDesktopWidget();
- ~QDesktopWidget();
- bool isVirtualDesktop() const;
- int numScreens() const;
- int screenCount() const;
- int primaryScreen() const;
- int screenNumber(const QWidget *widget = Q_NULLPTR) const;
- int screenNumber(const QPoint &) const;
- QWidget *screen(int screen = -1);
- const QRect screenGeometry(int screen = -1) const;
- const QRect screenGeometry(const QWidget *widget) const;
- const QRect screenGeometry(const QPoint &point) const
- { return screenGeometry(screenNumber(point)); }
- const QRect availableGeometry(int screen = -1) const;
- const QRect availableGeometry(const QWidget *widget) const;
- const QRect availableGeometry(const QPoint &point) const
- { return availableGeometry(screenNumber(point)); }
- Q_SIGNALS:
- void resized(int);
- void workAreaResized(int);
- void screenCountChanged(int);
- void primaryScreenChanged();
- protected:
- void resizeEvent(QResizeEvent *e) Q_DECL_OVERRIDE;
- private:
- Q_DISABLE_COPY(QDesktopWidget)
- Q_DECLARE_PRIVATE(QDesktopWidget)
- Q_PRIVATE_SLOT(d_func(), void _q_updateScreens())
- Q_PRIVATE_SLOT(d_func(), void _q_availableGeometryChanged())
- friend class QApplication;
- friend class QApplicationPrivate;
- };
- inline int QDesktopWidget::screenCount() const
- { return numScreens(); }
- QT_END_NAMESPACE
- #endif // QDESKTOPWIDGET_H
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