| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2015 The Qt Company Ltd and/or its subsidiary(-ies). | 
| 4 | ** Contact: http://www.qt-project.org/legal | 
| 5 | ** | 
| 6 | ** This file is part of the QtSystems module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL21$ | 
| 9 | ** Commercial License Usage | 
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| 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 2.1 or version 3 as published by the Free | 
| 20 | ** Software Foundation and appearing in the file LICENSE.LGPLv21 and | 
| 21 | ** LICENSE.LGPLv3 included in the packaging of this file. Please review the | 
| 22 | ** following information to ensure the GNU Lesser General Public License | 
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| 24 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | 
| 25 | ** | 
| 26 | ** As a special exception, The Qt Company gives you certain additional | 
| 27 | ** rights. These rights are described in The Qt Company LGPL Exception | 
| 28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | 
| 29 | ** | 
| 30 | ** $QT_END_LICENSE$ | 
| 31 | ** | 
| 32 | ****************************************************************************/ | 
| 33 |  | 
| 34 | #include "qscreensaver_linux_p.h" | 
| 35 |  | 
| 36 | #if !defined(QT_NO_X11) | 
| 37 | #include <X11/Xlib.h> | 
| 38 | #endif // QT_NO_X11 | 
| 39 |  | 
| 40 | QT_BEGIN_NAMESPACE | 
| 41 |  | 
| 42 | QScreenSaverPrivate::QScreenSaverPrivate(QScreenSaver *parent) | 
| 43 |     : q_ptr(parent) | 
| 44 | { | 
| 45 | } | 
| 46 |  | 
| 47 | bool QScreenSaverPrivate::screenSaverEnabled() | 
| 48 | { | 
| 49 | #if !defined(QT_NO_X11) | 
| 50 |     int timeout = 0; | 
| 51 |     int interval = 0; | 
| 52 |     int preferBlanking = 0; | 
| 53 |     int allowExposures = 0; | 
| 54 |     Display *display = XOpenDisplay(0); | 
| 55 |     XGetScreenSaver(display, &timeout, &interval, &preferBlanking, &allowExposures); | 
| 56 |     XCloseDisplay(display); | 
| 57 |     return (timeout > 0); | 
| 58 | #else | 
| 59 |     return false; | 
| 60 | #endif | 
| 61 | } | 
| 62 |  | 
| 63 | void QScreenSaverPrivate::setScreenSaverEnabled(bool enabled) | 
| 64 | { | 
| 65 | #if !defined(QT_NO_X11) | 
| 66 |     int timeout = 0; | 
| 67 |     int interval = 0; | 
| 68 |     int preferBlanking = 0; | 
| 69 |     int allowExposures = 0; | 
| 70 |     Display *display = XOpenDisplay(0); | 
| 71 |     XGetScreenSaver(display, &timeout, &interval, &preferBlanking, &allowExposures); | 
| 72 |  | 
| 73 |     if (enabled && timeout > 0) | 
| 74 |         XSetScreenSaver(display, -1, interval, preferBlanking, allowExposures); | 
| 75 |     else if (!enabled && timeout != 0) | 
| 76 |         XSetScreenSaver(display, 0, interval, preferBlanking, allowExposures); | 
| 77 |  | 
| 78 |     XCloseDisplay(display); | 
| 79 | #else | 
| 80 |     Q_UNUSED(enabled) | 
| 81 | #endif | 
| 82 | } | 
| 83 |  | 
| 84 | QT_END_NAMESPACE | 
| 85 |  |