diff options
Diffstat (limited to 'doc/src/snippets/code/src_gui_embedded_qwindowsystem_qws.cpp')
-rw-r--r-- | doc/src/snippets/code/src_gui_embedded_qwindowsystem_qws.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_gui_embedded_qwindowsystem_qws.cpp b/doc/src/snippets/code/src_gui_embedded_qwindowsystem_qws.cpp new file mode 100644 index 0000000000..defa56a9e2 --- /dev/null +++ b/doc/src/snippets/code/src_gui_embedded_qwindowsystem_qws.cpp @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +bool MyScreenSaver::save( int level ) +{ + switch ( level ) { + case 0: + if ( dim_enabled ) { + // dim the screen + } + return true; + case 1: + if ( screenoff_enabled ) { + // turn off the screen + } + return true; + case 2: + if ( suspend_enabled ) { + // suspend + } + return true; + default: + return false; + } +} + +... + +int timings[4]; +timings[0] = 5000; // dim after 5 seconds +timings[1] = 10000; // light off after 15 seconds +timings[2] = 45000; // suspend after 60 seconds +timings[3] = 0; +QWSServer::setScreenSaverIntervals( timings ); + +// ignore the key/mouse event that turns on the screen +int blocklevel = 1; +if ( !screenoff_enabled ) { + // screenoff is disabled, ignore the key/mouse event that wakes from suspend + blocklevel = 2; + if ( !suspend_enabled ) { + // suspend is disabled, never ignore events + blocklevel = -1; + } +} +QWSServer::setScreenSaverBlockLevel( blocklevel ); +//! [0] |