[2] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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[2] | 6 | **
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| 7 | ** This file is part of the tools applications of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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[2] | 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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[561] | 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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[2] | 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "qvfbprotocol.h"
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| 43 | #include "qvfbhdr.h"
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| 44 |
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| 45 | #include <QDebug>
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| 46 | #include <QTimer>
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| 47 |
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| 48 | #include <sys/types.h>
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| 49 | #include <sys/stat.h>
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| 50 | #include <math.h>
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| 51 | #include <fcntl.h>
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| 52 | #include <stdlib.h>
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| 53 | #include <stdio.h>
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| 54 |
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| 55 | #ifdef Q_OS_UNIX
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| 56 | #include <unistd.h>
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| 57 | #endif
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| 58 |
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[561] | 59 | #include "qvfbshmem.h"
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| 60 |
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[2] | 61 | QT_BEGIN_NAMESPACE
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| 62 |
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| 63 | QVFbViewProtocol::QVFbViewProtocol(int display_id, QObject *parent) :
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| 64 | QObject(parent), mDisplayId(display_id) { }
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| 65 |
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| 66 | QVFbViewProtocol::~QVFbViewProtocol() {}
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| 67 |
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| 68 | void QVFbViewProtocol::flushChanges() {}
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| 69 |
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| 70 | void QVFbViewProtocol::sendKeyboardData(QString unicode, int keycode,
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| 71 | int modifiers, bool press, bool repeat)
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| 72 | {
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| 73 | if (keyHandler())
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| 74 | keyHandler()->sendKeyboardData(unicode, keycode, modifiers, press, repeat);
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| 75 | }
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| 76 |
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| 77 | void QVFbViewProtocol::sendMouseData(const QPoint &pos, int buttons, int wheel)
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| 78 | {
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| 79 | if (mouseHandler())
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| 80 | mouseHandler()->sendMouseData(pos, buttons, wheel);
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| 81 | }
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| 82 |
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| 83 | static int openPipe(const char *fileName)
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| 84 | {
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| 85 | unlink(fileName);
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| 86 |
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| 87 | mkfifo(fileName, 0666);
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| 88 | int fd = ::open(fileName, O_RDWR | O_NDELAY);
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| 89 | return fd;
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| 90 | }
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| 91 |
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| 92 | QVFbKeyPipeProtocol::QVFbKeyPipeProtocol(int display_id)
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| 93 | : QVFbKeyProtocol(display_id)
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| 94 | {
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[561] | 95 | fileName = QT_VFB_KEYBOARD_PIPE(display_id);
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[2] | 96 | fd = openPipe(fileName.toLocal8Bit().constData());
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| 97 |
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| 98 | if (fd == -1)
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| 99 | qFatal("Cannot open keyboard pipe %s", fileName.toLocal8Bit().data());
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| 100 | }
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| 101 |
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| 102 | QVFbKeyPipeProtocol::~QVFbKeyPipeProtocol()
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| 103 | {
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| 104 | sendKeyboardData(0, 0, 0, true, false); // magic die key
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| 105 | ::close(fd);
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| 106 | unlink(fileName.toLocal8Bit().constData());
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| 107 | }
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| 108 |
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| 109 | void QVFbKeyPipeProtocol::sendKeyboardData(QString unicode, int keycode,
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| 110 | int modifiers, bool press, bool repeat)
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| 111 | {
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| 112 | QVFbKeyData kd;
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| 113 | kd.unicode = unicode[0].unicode();
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| 114 | kd.keycode = keycode;
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| 115 | kd.modifiers = static_cast<Qt::KeyboardModifier>(modifiers);
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| 116 | kd.press = press;
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| 117 | kd.repeat = repeat;
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| 118 | write(fd, &kd, sizeof(QVFbKeyData));
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| 119 | }
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| 120 |
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| 121 | QVFbMousePipe::QVFbMousePipe(int display_id)
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| 122 | : QVFbMouseProtocol(display_id)
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| 123 | {
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[561] | 124 | fileName = QT_VFB_MOUSE_PIPE(display_id);
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[2] | 125 | fd = openPipe(fileName.toLocal8Bit().constData());
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| 126 |
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| 127 | if (fd == -1)
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| 128 | qFatal("Cannot open mouse pipe %s", fileName.toLocal8Bit().data());
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| 129 | }
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| 130 |
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| 131 | QVFbMousePipe::~QVFbMousePipe()
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| 132 | {
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| 133 | ::close(fd);
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| 134 | unlink(fileName.toLocal8Bit().constData());
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| 135 | }
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| 136 |
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| 137 |
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| 138 | void QVFbMousePipe::sendMouseData(const QPoint &pos, int buttons, int wheel)
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| 139 | {
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| 140 | write(fd, &pos, sizeof(QPoint));
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| 141 | write(fd, &buttons, sizeof(int));
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| 142 | write(fd, &wheel, sizeof(int));
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| 143 | }
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| 144 |
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| 145 | QVFbMouseLinuxTP::QVFbMouseLinuxTP(int display_id)
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| 146 | : QObject(), QVFbMousePipe(display_id), lastPos(-1,-1)
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| 147 | {
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| 148 | /* the timer is needed because a real touch screen send data as long as
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| 149 | there is pressure. And the linux tp driver will filter, requiring
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| 150 | a minimum of 5 samples before it even registers a press.
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| 151 | */
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| 152 | repeater = new QTimer(this);
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| 153 | connect(repeater, SIGNAL(timeout()), this, SLOT(repeatLastPress()));
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| 154 | }
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| 155 |
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| 156 | QVFbMouseLinuxTP::~QVFbMouseLinuxTP()
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| 157 | {
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| 158 | }
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| 159 |
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| 160 |
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| 161 | void QVFbMouseLinuxTP::sendMouseData(const QPoint &pos, int buttons, int)
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| 162 | {
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| 163 | if (buttons & Qt::LeftButton) {
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| 164 | // press
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| 165 | repeater->start(5);
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| 166 | writeToPipe(pos, 1);
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| 167 | lastPos = pos;
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| 168 | } else {
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| 169 | // release
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| 170 | if (lastPos == QPoint(-1,-1))
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| 171 | return; /* only send one release */
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| 172 | repeater->stop();
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| 173 | writeToPipe(pos, 0);
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| 174 | lastPos = QPoint(-1,-1);
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| 175 | }
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| 176 | }
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| 177 |
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| 178 | void QVFbMouseLinuxTP::writeToPipe(const QPoint &pos, ushort pressure)
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| 179 | {
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| 180 | ushort v;
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| 181 | write(fd, &pressure, sizeof(ushort));
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| 182 | v = pos.x();
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| 183 | write(fd, &v, sizeof(ushort));
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| 184 | v = pos.y();
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| 185 | write(fd, &v, sizeof(ushort));
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| 186 | v = 1; // pad
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| 187 | write(fd, &v, sizeof(ushort));
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| 188 | }
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| 189 |
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| 190 | void QVFbMouseLinuxTP::repeatLastPress()
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| 191 | {
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| 192 | writeToPipe(lastPos, 1);
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| 193 | }
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| 194 |
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| 195 | QT_END_NAMESPACE
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