1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/ |
5 | ** |
6 | ** This file is part of the QtGui module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** GNU Lesser General Public License Usage |
10 | ** This file may be used under the terms of the GNU Lesser General Public |
11 | ** License version 2.1 as published by the Free Software Foundation and |
12 | ** appearing in the file LICENSE.LGPL included in the packaging of this |
13 | ** file. Please review the following information to ensure the GNU Lesser |
14 | ** General Public License version 2.1 requirements will be met: |
15 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
16 | ** |
17 | ** In addition, as a special exception, Nokia gives you certain additional |
18 | ** rights. These rights are described in the Nokia Qt LGPL Exception |
19 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
20 | ** |
21 | ** GNU General Public License Usage |
22 | ** Alternatively, this file may be used under the terms of the GNU General |
23 | ** Public License version 3.0 as published by the Free Software Foundation |
24 | ** and appearing in the file LICENSE.GPL included in the packaging of this |
25 | ** file. Please review the following information to ensure the GNU General |
26 | ** Public License version 3.0 requirements will be met: |
27 | ** http://www.gnu.org/copyleft/gpl.html. |
28 | ** |
29 | ** Other Usage |
30 | ** Alternatively, this file may be used in accordance with the terms and |
31 | ** conditions contained in a signed written agreement between you and Nokia. |
32 | ** |
33 | ** |
34 | ** |
35 | ** |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QDESKTOPWIDGET_H |
43 | #define QDESKTOPWIDGET_H |
44 | |
45 | #include <QtGui/qwidget.h> |
46 | |
47 | QT_BEGIN_HEADER |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | QT_MODULE(Gui) |
52 | |
53 | class QApplication; |
54 | class QDesktopWidgetPrivate; |
55 | |
56 | class Q_GUI_EXPORT QDesktopWidget : public QWidget |
57 | { |
58 | Q_OBJECT |
59 | Q_PROPERTY(bool virtualDesktop READ isVirtualDesktop) |
60 | Q_PROPERTY(int screenCount READ screenCount NOTIFY screenCountChanged) |
61 | Q_PROPERTY(int primaryScreen READ primaryScreen) |
62 | public: |
63 | QDesktopWidget(); |
64 | ~QDesktopWidget(); |
65 | |
66 | bool isVirtualDesktop() const; |
67 | |
68 | int numScreens() const; |
69 | int screenCount() const; |
70 | int primaryScreen() const; |
71 | |
72 | int screenNumber(const QWidget *widget = 0) const; |
73 | int screenNumber(const QPoint &) const; |
74 | |
75 | QWidget *screen(int screen = -1); |
76 | |
77 | const QRect screenGeometry(int screen = -1) const; |
78 | const QRect screenGeometry(const QWidget *widget) const; |
79 | const QRect screenGeometry(const QPoint &point) const |
80 | { return screenGeometry(screenNumber(point)); } |
81 | |
82 | const QRect availableGeometry(int screen = -1) const; |
83 | const QRect availableGeometry(const QWidget *widget) const; |
84 | const QRect availableGeometry(const QPoint &point) const |
85 | { return availableGeometry(screenNumber(point)); } |
86 | |
87 | Q_SIGNALS: |
88 | void resized(int); |
89 | void workAreaResized(int); |
90 | void screenCountChanged(int); |
91 | |
92 | protected: |
93 | void resizeEvent(QResizeEvent *e); |
94 | |
95 | private: |
96 | Q_DISABLE_COPY(QDesktopWidget) |
97 | Q_DECLARE_PRIVATE(QDesktopWidget) |
98 | |
99 | friend class QApplication; |
100 | friend class QApplicationPrivate; |
101 | }; |
102 | |
103 | inline int QDesktopWidget::screenCount() const |
104 | { return numScreens(); } |
105 | |
106 | QT_END_NAMESPACE |
107 | |
108 | QT_END_HEADER |
109 | |
110 | #endif // QDESKTOPWIDGET_H |
111 | |