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-rw-r--r--src/plugins/generic/linuxinput/qlinuxinput.cpp365
1 files changed, 0 insertions, 365 deletions
diff --git a/src/plugins/generic/linuxinput/qlinuxinput.cpp b/src/plugins/generic/linuxinput/qlinuxinput.cpp
deleted file mode 100644
index 04633845cb..0000000000
--- a/src/plugins/generic/linuxinput/qlinuxinput.cpp
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@@ -1,365 +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 "qlinuxinput.h"
-
-
-#include <QSocketNotifier>
-#include <QStringList>
-#include <QPoint>
-#include <QWindowSystemInterface>
-
-#include <qplatformdefs.h>
-#include <private/qcore_unix_p.h> // overrides QT_OPEN
-
-#include <errno.h>
-#include <termios.h>
-
-#include <linux/kd.h>
-#include <linux/input.h>
-
-#include <qdebug.h>
-
-QT_BEGIN_NAMESPACE
-
-
-//#define QT_QPA_EXPERIMENTAL_TOUCHEVENT
-
-#ifdef QT_QPA_EXPERIMENTAL_TOUCHEVENT
-class QLinuxInputMouseHandlerData
-{
-public:
- QLinuxInputMouseHandlerData() :seenMT(false), state(QEvent::TouchBegin), currentIdx(0) {}
-
- void ensureCurrentPoint() {
- if (currentIdx >= touchPoints.size()) {
- Q_ASSERT(currentIdx == touchPoints.size());
- QWindowSystemInterface::TouchPoint tp;
- tp.id = currentIdx;
- tp.isPrimary = (currentIdx == 0);
- tp.pressure = 1;
- tp.area = QRectF(0,0,1,1);
- tp.state = Qt::TouchPointReleased; // init in neutral state
- touchPoints.append(tp);
- }
- }
- void setCurrentPoint(int i) {
- currentIdx = i;
- if (currentIdx < touchPoints.size()) {
- currentX = int(touchPoints[currentIdx].area.left());
- currentY = int(touchPoints[currentIdx].area.top());
- } else {
- currentY = currentX = -999;
- }
- }
- void advanceCurrentPoint() {
- setCurrentPoint(currentIdx + 1);
- }
- int currentPoint() { return currentIdx; }
- void setCurrentX(int value) {
- ensureCurrentPoint();
- touchPoints[currentIdx].area.moveLeft(value);
- }
- bool currentMoved() {
- return currentX != touchPoints[currentIdx].area.left() || currentY != touchPoints[currentIdx].area.top();
- }
- void updateCurrentPos() {
- ensureCurrentPoint();
- touchPoints[currentIdx].area.moveTopLeft(QPointF(currentX, currentY));
- }
- void setCurrentState(Qt::TouchPointState state) {
- ensureCurrentPoint();
- touchPoints[currentIdx].state = state;
- }
- Qt::TouchPointState currentState() const {
- if (currentIdx < touchPoints.size())
- return touchPoints[currentIdx].state;
- return Qt::TouchPointReleased;
- }
- QList<QWindowSystemInterface::TouchPoint> touchPoints;
- int currentX;
- int currentY;
- bool seenMT;
- QEvent::Type state;
-private:
- int currentIdx;
-};
-#endif
-
-
-QLinuxInputMouseHandler::QLinuxInputMouseHandler(const QString &key,
- const QString &specification)
- : m_notify(0), m_x(0), m_y(0), m_prevx(0), m_prevy(0), m_xoffset(0), m_yoffset(0), m_buttons(0), d(0)
-{
- qDebug() << "QLinuxInputMouseHandler" << key << specification;
-
-
- setObjectName(QLatin1String("LinuxInputSubsystem Mouse Handler"));
-
- QString dev = QLatin1String("/dev/input/event0");
- m_compression = true;
- m_smooth = false;
- int jitterLimit = 0;
-
- QStringList args = specification.split(QLatin1Char(':'));
- foreach (const QString &arg, args) {
- if (arg == "nocompress")
- m_compression = false;
- else if (arg.startsWith("dejitter="))
- jitterLimit = arg.mid(9).toInt();
- else if (arg.startsWith("xoffset="))
- m_xoffset = arg.mid(8).toInt();
- else if (arg.startsWith("yoffset="))
- m_yoffset = arg.mid(8).toInt();
- else if (arg.startsWith(QLatin1String("/dev/")))
- dev = arg;
- }
- m_jitterLimitSquared = jitterLimit*jitterLimit;
-
- m_fd = QT_OPEN(dev.toLocal8Bit().constData(), O_RDONLY | O_NDELAY, 0);
- if (m_fd >= 0) {
- m_notify = new QSocketNotifier(m_fd, QSocketNotifier::Read, this);
- connect(m_notify, SIGNAL(activated(int)), this, SLOT(readMouseData()));
- } else {
- qWarning("Cannot open mouse input device '%s': %s", qPrintable(dev), strerror(errno));
- return;
- }
-#ifdef QT_QPA_EXPERIMENTAL_TOUCHEVENT
- d = new QLinuxInputMouseHandlerData;
-#endif
-}
-
-
-QLinuxInputMouseHandler::~QLinuxInputMouseHandler()
-{
- if (m_fd >= 0)
- QT_CLOSE(m_fd);
-#ifdef QT_QPA_EXPERIMENTAL_TOUCHEVENT
- delete d;
-#endif
-}
-
-void QLinuxInputMouseHandler::sendMouseEvent(int x, int y, Qt::MouseButtons buttons)
-{
- QPoint pos(x+m_xoffset, y+m_yoffset);
- QWindowSystemInterface::handleMouseEvent(0, pos, pos, m_buttons);
- m_prevx = x;
- m_prevy = y;
-}
-
-void QLinuxInputMouseHandler::readMouseData()
-{
- struct ::input_event buffer[32];
- int n = 0;
- bool posChanged = false;
- bool pendingMouseEvent = false;
- int eventCompressCount = 0;
- forever {
- n = QT_READ(m_fd, reinterpret_cast<char *>(buffer) + n, sizeof(buffer) - n);
-
- if (n == 0) {
- qWarning("Got EOF from the input device.");
- return;
- } else if (n < 0 && (errno != EINTR && errno != EAGAIN)) {
- qWarning("Could not read from input device: %s", strerror(errno));
- return;
- } else 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;
- bool unknown = false;
- 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->code == ABS_PRESSURE) {
- //ignore for now...
- } else if (data->code == ABS_TOOL_WIDTH) {
- //ignore for now...
- } else if (data->code == ABS_HAT0X) {
- //ignore for now...
- } else if (data->code == ABS_HAT0Y) {
- //ignore for now...
-#ifdef QT_QPA_EXPERIMENTAL_TOUCHEVENT
- } else if (data->code == ABS_MT_POSITION_X) {
- d->currentX = data->value;
- d->seenMT = true;
- } else if (data->code == ABS_MT_POSITION_Y) {
- d->currentY = data->value;
- d->seenMT = true;
- } else if (data->code == ABS_MT_TOUCH_MAJOR) {
- if (data->value == 0)
- d->setCurrentState(Qt::TouchPointReleased);
- //otherwise, ignore for now...
- } else if (data->code == ABS_MT_TOUCH_MINOR) {
- //ignore for now...
-#endif
- } else {
- unknown = 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 {
- unknown = true;
- }
- } else if (data->type == EV_KEY && data->code == BTN_TOUCH) {
- m_buttons = data->value ? Qt::LeftButton : Qt::NoButton;
-
- sendMouseEvent(m_x, m_y, m_buttons);
- pendingMouseEvent = false;
- } else if (data->type == EV_KEY && data->code >= BTN_LEFT && data->code <= BTN_MIDDLE) {
- Qt::MouseButton button = Qt::NoButton;
- switch (data->code) {
- case BTN_LEFT: button = Qt::LeftButton; break;
- case BTN_MIDDLE: button = Qt::MidButton; break;
- case BTN_RIGHT: button = Qt::RightButton; break;
- }
- if (data->value)
- m_buttons |= button;
- else
- m_buttons &= ~button;
- sendMouseEvent(m_x, m_y, m_buttons);
- pendingMouseEvent = false;
- } else if (data->type == EV_SYN && data->code == SYN_REPORT) {
- if (posChanged) {
- posChanged = false;
- if (m_compression) {
- pendingMouseEvent = true;
- eventCompressCount++;
- } else {
- sendMouseEvent(m_x, m_y, m_buttons);
- }
- }
-#ifdef QT_QPA_EXPERIMENTAL_TOUCHEVENT
- if (d->state == QEvent::TouchBegin && !d->seenMT) {
- //no multipoint-touch events to send
- } else {
- if (!d->seenMT)
- d->state = QEvent::TouchEnd;
-
- for (int i = d->currentPoint(); i < d->touchPoints.size(); ++i) {
- d->touchPoints[i].pressure = 0;
- d->touchPoints[i].state = Qt::TouchPointReleased;
- }
- //qDebug() << "handleTouchEvent" << d->state << d->touchPoints.size() << d->touchPoints[0].state;
- QWindowSystemInterface::handleTouchEvent(0, d->state, QTouchEvent::TouchScreen, d->touchPoints);
- if (d->seenMT) {
- d->state = QEvent::TouchUpdate;
- } else {
- d->state = QEvent::TouchBegin;
- d->touchPoints.clear();
- }
- d->setCurrentPoint(0);
- d->seenMT = false;
- }
- } else if (data->type == EV_SYN && data->code == SYN_MT_REPORT) {
- //store data for this touch point
-
- if (!d->seenMT) {
- d->setCurrentState(Qt::TouchPointReleased);
- } else if (d->currentState() == Qt::TouchPointReleased) {
- d->updateCurrentPos();
- d->setCurrentState(Qt::TouchPointPressed);
- } else if (d->currentMoved()) {
- d->updateCurrentPos();
- d->setCurrentState(Qt::TouchPointMoved);
- } else {
- d->setCurrentState(Qt::TouchPointStationary);
- }
- //qDebug() << "end of point" << d->currentPoint() << d->currentX << d->currentY << d->currentState();
-
- //advance to next tp:
- d->advanceCurrentPoint();
-#endif
- } else if (data->type == EV_MSC && data->code == MSC_SCAN) {
- // kernel encountered an unmapped key - just ignore it
- continue;
- } else {
- unknown = true;
- }
-#ifdef QLINUXINPUT_EXTRA_DEBUG
- if (unknown) {
- qWarning("unknown mouse event type=%x, code=%x, value=%x", data->type, data->code, data->value);
- }
-#endif
- }
- 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(m_x, m_y, m_buttons);
- }
-}
-
-
-
-
-
-
-
-QT_END_NAMESPACE
-