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-rw-r--r--src/plugins/generic/evdevmouse/qevdevmousehandler.cpp233
1 files changed, 0 insertions, 233 deletions
diff --git a/src/plugins/generic/evdevmouse/qevdevmousehandler.cpp b/src/plugins/generic/evdevmouse/qevdevmousehandler.cpp
deleted file mode 100644
index 439d2c095a..0000000000
--- a/src/plugins/generic/evdevmouse/qevdevmousehandler.cpp
+++ /dev/null
@@ -1,233 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qevdevmousehandler.h"
-
-#include <QSocketNotifier>
-#include <QStringList>
-#include <QPoint>
-#include <QGuiApplication>
-#include <QScreen>
-#include <QWindowSystemInterface>
-
-#include <qplatformdefs.h>
-#include <private/qcore_unix_p.h> // overrides QT_OPEN
-
-#include <errno.h>
-
-#include <linux/kd.h>
-#include <linux/input.h>
-
-#include <qdebug.h>
-
-//#define QT_QPA_MOUSE_HANDLER_DEBUG
-
-QT_BEGIN_NAMESPACE
-
-QEvdevMouseHandler *QEvdevMouseHandler::create(const QString &device, const QString &specification)
-{
-#ifdef QT_QPA_MOUSE_HANDLER_DEBUG
- qWarning() << "Try to create mouse handler for" << device << specification;
-#endif
-
- bool compression = true;
- int jitterLimit = 0;
-
- QStringList args = specification.split(QLatin1Char(':'));
- foreach (const QString &arg, args) {
- if (arg == "nocompress")
- compression = false;
- else if (arg.startsWith("dejitter="))
- jitterLimit = arg.mid(9).toInt();
- }
-
- int fd;
- fd = qt_safe_open(device.toLocal8Bit().constData(), O_RDONLY | O_NDELAY, 0);
- if (fd >= 0) {
- return new QEvdevMouseHandler(device, fd, compression, jitterLimit);
- } else {
- qWarning("Cannot open mouse input device '%s': %s", qPrintable(device), strerror(errno));
- return 0;
- }
-}
-
-QEvdevMouseHandler::QEvdevMouseHandler(const QString &device, int fd, bool compression, int jitterLimit)
- : m_device(device), m_fd(fd), m_notify(0), m_x(0), m_y(0), m_prevx(0), m_prevy(0),
- m_compression(compression), m_buttons(0)
-{
- setObjectName(QLatin1String("Evdev Mouse Handler"));
-
- m_jitterLimitSquared = jitterLimit * jitterLimit;
-
- // socket notifier for events on the mouse device
- QSocketNotifier *notifier;
- notifier = new QSocketNotifier(m_fd, QSocketNotifier::Read, this);
- connect(notifier, SIGNAL(activated(int)), this, SLOT(readMouseData()));
-}
-
-QEvdevMouseHandler::~QEvdevMouseHandler()
-{
- if (m_fd >= 0)
- qt_safe_close(m_fd);
-}
-
-void QEvdevMouseHandler::sendMouseEvent()
-{
- emit handleMouseEvent(m_x - m_prevx, m_y - m_prevy, m_buttons);
-
- m_prevx = m_x;
- m_prevy = m_y;
-}
-
-void QEvdevMouseHandler::readMouseData()
-{
- struct ::input_event buffer[32];
- int n = 0;
- bool posChanged = false;
- bool pendingMouseEvent = false;
- int eventCompressCount = 0;
- forever {
- int result = QT_READ(m_fd, reinterpret_cast<char *>(buffer) + n, sizeof(buffer) - n);
-
- if (result == 0) {
- qWarning("Got EOF from the input device.");
- return;
- } else if (result < 0) {
- if (errno != EINTR && errno != EAGAIN) {
- qWarning("Could not read from input device: %s", strerror(errno));
- return;
- }
- } else {
- n += result;
- if (n % sizeof(buffer[0]) == 0)
- break;
- }
- }
-
- n /= sizeof(buffer[0]);
-
- for (int i = 0; i < n; ++i) {
- struct ::input_event *data = &buffer[i];
- //qDebug() << ">>" << hex << data->type << data->code << dec << data->value;
- if (data->type == EV_ABS) {
- if (data->code == ABS_X && m_x != data->value) {
- m_x = data->value;
- posChanged = true;
- } else if (data->code == ABS_Y && m_y != data->value) {
- m_y = data->value;
- posChanged = true;
- }
- } else if (data->type == EV_REL) {
- if (data->code == REL_X) {
- m_x += data->value;
- posChanged = true;
- } else if (data->code == REL_Y) {
- m_y += data->value;
- posChanged = true;
- } else if (data->code == ABS_WHEEL) { // vertical scroll
- // data->value: 1 == up, -1 == down
- int delta = 120 * data->value;
- QWindowSystemInterface::handleWheelEvent(0, QPoint(m_x, m_y),
- QPoint(m_x, m_y),
- delta, Qt::Vertical);
- } else if (data->code == ABS_THROTTLE) { // horizontal scroll
- // data->value: 1 == right, -1 == left
- int delta = 120 * -data->value;
- QWindowSystemInterface::handleWheelEvent(0, QPoint(m_x, m_y),
- QPoint(m_x, m_y),
- delta, Qt::Horizontal);
- }
- } else if (data->type == EV_KEY && data->code == BTN_TOUCH) {
- m_buttons = data->value ? Qt::LeftButton : Qt::NoButton;
-
- sendMouseEvent();
- pendingMouseEvent = false;
- } else if (data->type == EV_KEY && data->code >= BTN_LEFT && data->code <= BTN_JOYSTICK) {
- Qt::MouseButton button = Qt::NoButton;
- // BTN_LEFT == 0x110 in kernel's input.h
- // The range of possible mouse buttons ends just before BTN_JOYSTICK, value 0x120.
- switch (data->code) {
- case 0x110: button = Qt::LeftButton; break; // BTN_LEFT
- case 0x111: button = Qt::RightButton; break;
- case 0x112: button = Qt::MiddleButton; break;
- case 0x113: button = Qt::ExtraButton1; break; // AKA Qt::BackButton
- case 0x114: button = Qt::ExtraButton2; break; // AKA Qt::ForwardButton
- case 0x115: button = Qt::ExtraButton3; break; // AKA Qt::TaskButton
- case 0x116: button = Qt::ExtraButton4; break;
- case 0x117: button = Qt::ExtraButton5; break;
- case 0x118: button = Qt::ExtraButton6; break;
- case 0x119: button = Qt::ExtraButton7; break;
- case 0x11a: button = Qt::ExtraButton8; break;
- case 0x11b: button = Qt::ExtraButton9; break;
- case 0x11c: button = Qt::ExtraButton10; break;
- case 0x11d: button = Qt::ExtraButton11; break;
- case 0x11e: button = Qt::ExtraButton12; break;
- case 0x11f: button = Qt::ExtraButton13; break;
- }
- if (data->value)
- m_buttons |= button;
- else
- m_buttons &= ~button;
- sendMouseEvent();
- pendingMouseEvent = false;
- } else if (data->type == EV_SYN && data->code == SYN_REPORT) {
- if (posChanged) {
- posChanged = false;
- if (m_compression) {
- pendingMouseEvent = true;
- eventCompressCount++;
- } else {
- sendMouseEvent();
- }
- }
- } else if (data->type == EV_MSC && data->code == MSC_SCAN) {
- // kernel encountered an unmapped key - just ignore it
- continue;
- }
- }
- if (m_compression && pendingMouseEvent) {
- int distanceSquared = (m_x - m_prevx)*(m_x - m_prevx) + (m_y - m_prevy)*(m_y - m_prevy);
- if (distanceSquared > m_jitterLimitSquared)
- sendMouseEvent();
- }
-}
-
-QT_END_NAMESPACE
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