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author | Warwick Allison <warwick.allison@nokia.com> | 2010-02-24 02:42:00 (GMT) |
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committer | Warwick Allison <warwick.allison@nokia.com> | 2010-02-24 02:42:00 (GMT) |
commit | 7c76abb0dc4204043bec9b6fa315f9753a7986ae (patch) | |
tree | cee303672cfd138790645e731f2d69472564d4b7 /tools/qml/deviceorientation_maemo.cpp | |
parent | 4066e60e859853cfe3240245ba05271e79839506 (diff) | |
download | Qt-7c76abb0dc4204043bec9b6fa315f9753a7986ae.zip Qt-7c76abb0dc4204043bec9b6fa315f9753a7986ae.tar.gz Qt-7c76abb0dc4204043bec9b6fa315f9753a7986ae.tar.bz2 |
Change class prefix to from QmlXXX to QDeclarativeXXX, QmlGraphicsXXX to QDeclarativeXXX.
Diffstat (limited to 'tools/qml/deviceorientation_maemo.cpp')
-rw-r--r-- | tools/qml/deviceorientation_maemo.cpp | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/tools/qml/deviceorientation_maemo.cpp b/tools/qml/deviceorientation_maemo.cpp new file mode 100644 index 0000000..fa2c6e5 --- /dev/null +++ b/tools/qml/deviceorientation_maemo.cpp @@ -0,0 +1,139 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the tools applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "deviceorientation.h" +#include <stdio.h> +#include <stdlib.h> + +class MaemoOrientation : public DeviceOrientation +{ + Q_OBJECT +public: + MaemoOrientation() + : DeviceOrientation(),m_current(Portrait), m_lastSeen(Portrait), m_lastSeenCount(0) + { + startTimer(100); + } + + Orientation orientation() const { + return m_current; + } + + void setOrientation(Orientation orient) { + //XXX maybe better to just ignore + if (orient != m_current) { + m_current = orient; + emit orientationChanged(); + } + } + + +protected: + virtual void timerEvent(QTimerEvent *) + { + Orientation c = get(); + + if (c == m_lastSeen) { + m_lastSeenCount++; + } else { + m_lastSeenCount = 0; + m_lastSeen = c; + } + + if (m_lastSeen != UnknownOrientation && m_lastSeen != m_current && m_lastSeenCount > 4) { + m_current = m_lastSeen; + emit orientationChanged(); + printf("%d\n", m_current); + } + } + +signals: + void changed(); + +private: + Orientation m_current; + Orientation m_lastSeen; + int m_lastSeenCount; + + Orientation get() + { + Orientation o = UnknownOrientation; + + int ax, ay, az; + + read(&ax, &ay, &az); + + if (abs(az) > 850) { + o = UnknownOrientation; + } else if (ax < -750) { + o = Portrait; + } else if (ay < -750) { + o = Landscape; + } + + return o; + } + + int read(int *ax,int *ay,int *az) + { + static const char *accel_filename = "/sys/class/i2c-adapter/i2c-3/3-001d/coord"; + + FILE *fd; + int rs; + fd = fopen(accel_filename, "r"); + if(fd==NULL){ printf("liqaccel, cannot open for reading\n"); return -1;} + rs=fscanf((FILE*) fd,"%i %i %i",ax,ay,az); + fclose(fd); + if(rs != 3){ printf("liqaccel, cannot read information\n"); return -2;} + return 0; + } +}; + + +DeviceOrientation* DeviceOrientation::instance() +{ + static MaemoOrientation *o = 0; + if (!o) + o = new MaemoOrientation; + return o; +} + +#include "deviceorientation_maemo.moc" |