1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 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 QDESKTOPWIDGET_H 41 #define QDESKTOPWIDGET_H 42 43 #include <QtWidgets/qtwidgetsglobal.h> 44 #include <QtWidgets/qwidget.h> 45 46 QT_BEGIN_NAMESPACE 47 48 49 class QApplication; 50 class QDesktopWidgetPrivate; 51 52 class Q_WIDGETS_EXPORT QDesktopWidget : public QWidget 53 { 54 Q_OBJECT 55 #if QT_DEPRECATED_SINCE(5, 11) 56 Q_PROPERTY(bool virtualDesktop READ isVirtualDesktop) 57 Q_PROPERTY(int screenCount READ screenCount NOTIFY screenCountChanged) 58 Q_PROPERTY(int primaryScreen READ primaryScreen NOTIFY primaryScreenChanged) 59 #endif 60 public: 61 QDesktopWidget(); 62 ~QDesktopWidget(); 63 64 int screenNumber(const QWidget *widget = nullptr) const; 65 const QRect screenGeometry(const QWidget *widget) const; 66 const QRect availableGeometry(const QWidget *widget) const; 67 68 #if QT_DEPRECATED_SINCE(5, 11) 69 QT_DEPRECATED_X("Use QScreen::virtualSiblings() of primary screen") bool isVirtualDesktop() const; 70 71 QT_DEPRECATED_X("Use QGuiApplication::screens()") int numScreens() const; 72 QT_DEPRECATED_X("Use QGuiApplication::screens()") int screenCount() const; 73 QT_DEPRECATED_X("Use QGuiApplication::primaryScreen()") int primaryScreen() const; 74 75 QT_DEPRECATED_X("Use QGuiApplication::screenAt()") int screenNumber(const QPoint &) const; 76 77 QT_DEPRECATED_X("Use QScreen") QWidget *screen(int screen = -1); 78 79 QT_DEPRECATED_X("Use QGuiApplication::screens()") const QRect screenGeometry(int screen = -1) const; screenGeometry(const QPoint & point)80 QT_DEPRECATED_X("Use QGuiApplication::screenAt()") const QRect screenGeometry(const QPoint &point) const 81 { 82 QT_WARNING_PUSH 83 QT_WARNING_DISABLE_DEPRECATED 84 return screenGeometry(screenNumber(point)); 85 QT_WARNING_POP 86 } 87 88 QT_DEPRECATED_X("Use QGuiApplication::screens()") const QRect availableGeometry(int screen = -1) const; availableGeometry(const QPoint & point)89 QT_DEPRECATED_X("Use QGuiApplication::screenAt()") const QRect availableGeometry(const QPoint &point) const 90 { 91 QT_WARNING_PUSH 92 QT_WARNING_DISABLE_DEPRECATED 93 return availableGeometry(screenNumber(point)); 94 QT_WARNING_POP 95 } 96 97 Q_SIGNALS: 98 QT_DEPRECATED_X("Use QScreen::geometryChanged()") void resized(int); 99 QT_DEPRECATED_X("Use QScreen::availableGeometryChanged()") void workAreaResized(int); 100 QT_DEPRECATED_X("Use QGuiApplication::screenAdded/Removed()") void screenCountChanged(int); 101 QT_DEPRECATED_X("Use QGuiApplication::primaryScreenChanged()") void primaryScreenChanged(); 102 #endif 103 104 protected: 105 void resizeEvent(QResizeEvent *e) override; 106 107 private: 108 Q_DISABLE_COPY(QDesktopWidget) 109 Q_DECLARE_PRIVATE(QDesktopWidget) 110 Q_PRIVATE_SLOT(d_func(), void _q_updateScreens()) 111 Q_PRIVATE_SLOT(d_func(), void _q_availableGeometryChanged()) 112 113 friend class QApplication; 114 friend class QApplicationPrivate; 115 }; 116 117 #if QT_DEPRECATED_SINCE(5, 11) screenCount()118inline int QDesktopWidget::screenCount() const 119 { 120 QT_WARNING_PUSH 121 QT_WARNING_DISABLE_DEPRECATED 122 return numScreens(); 123 QT_WARNING_POP 124 } 125 #endif 126 127 QT_END_NAMESPACE 128 129 #endif // QDESKTOPWIDGET_H 130