diff options
Diffstat (limited to 'src/platformsupport/input/evdevtouch/qevdevtouch.cpp')
-rw-r--r-- | src/platformsupport/input/evdevtouch/qevdevtouch.cpp | 693 |
1 files changed, 0 insertions, 693 deletions
diff --git a/src/platformsupport/input/evdevtouch/qevdevtouch.cpp b/src/platformsupport/input/evdevtouch/qevdevtouch.cpp deleted file mode 100644 index d0d8b783a4..0000000000 --- a/src/platformsupport/input/evdevtouch/qevdevtouch.cpp +++ /dev/null @@ -1,693 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the plugins module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL21$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. -** -** 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 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qevdevtouch_p.h" -#include <QStringList> -#include <QHash> -#include <QSocketNotifier> -#include <QGuiApplication> -#include <QDebug> -#include <QtCore/private/qcore_unix_p.h> -#include <QtPlatformSupport/private/qdevicediscovery_p.h> -#include <linux/input.h> - -#if !defined(QT_NO_MTDEV) -extern "C" { -#include <mtdev.h> -} -#endif - -QT_BEGIN_NAMESPACE - -/* android (and perhaps some other linux-derived stuff) don't define everything - * in linux/input.h, so we'll need to do that ourselves. - */ -#ifndef ABS_MT_TOUCH_MAJOR -#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ -#endif -#ifndef ABS_MT_POSITION_X -#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ -#endif -#ifndef ABS_MT_POSITION_Y -#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ -#endif -#ifndef ABS_MT_SLOT -#define ABS_MT_SLOT 0x2f -#endif -#ifndef ABS_CNT -#define ABS_CNT (ABS_MAX+1) -#endif -#ifndef ABS_MT_TRACKING_ID -#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */ -#endif -#ifndef SYN_MT_REPORT -#define SYN_MT_REPORT 2 -#endif - -class QEvdevTouchScreenData -{ -public: - QEvdevTouchScreenData(QEvdevTouchScreenHandler *q_ptr, const QStringList &args); - - void processInputEvent(input_event *data); - void assignIds(); - - QEvdevTouchScreenHandler *q; - int m_lastEventType; - QList<QWindowSystemInterface::TouchPoint> m_touchPoints; - - struct Contact { - int trackingId; - int x; - int y; - int maj; - int pressure; - Qt::TouchPointState state; - QTouchEvent::TouchPoint::InfoFlags flags; - Contact() : trackingId(-1), - x(0), y(0), maj(-1), pressure(0), - state(Qt::TouchPointPressed), flags(0) { } - }; - QHash<int, Contact> m_contacts; // The key is a tracking id for type A, slot number for type B. - QHash<int, Contact> m_lastContacts; - Contact m_currentData; - int m_currentSlot; - - int findClosestContact(const QHash<int, Contact> &contacts, int x, int y, int *dist); - void reportPoints(); - void registerDevice(); - void addTouchPoint(const Contact &contact, Qt::TouchPointStates *combinedStates); - - int hw_range_x_min; - int hw_range_x_max; - int hw_range_y_min; - int hw_range_y_max; - int hw_pressure_min; - int hw_pressure_max; - QString hw_name; - bool m_forceToActiveWindow; - QTouchDevice *m_device; - bool m_typeB; - QTransform m_rotate; - bool m_singleTouch; -}; - -QEvdevTouchScreenData::QEvdevTouchScreenData(QEvdevTouchScreenHandler *q_ptr, const QStringList &args) - : q(q_ptr), - m_lastEventType(-1), - m_currentSlot(0), - hw_range_x_min(0), hw_range_x_max(0), - hw_range_y_min(0), hw_range_y_max(0), - hw_pressure_min(0), hw_pressure_max(0), - m_device(0), m_typeB(false), m_singleTouch(false) -{ - m_forceToActiveWindow = args.contains(QLatin1String("force_window")); -} - -void QEvdevTouchScreenData::registerDevice() -{ - m_device = new QTouchDevice; - m_device->setName(hw_name); - m_device->setType(QTouchDevice::TouchScreen); - m_device->setCapabilities(QTouchDevice::Position | QTouchDevice::Area); - if (hw_pressure_max > hw_pressure_min) - m_device->setCapabilities(m_device->capabilities() | QTouchDevice::Pressure); - - QWindowSystemInterface::registerTouchDevice(m_device); -} - -#define LONG_BITS (sizeof(long) << 3) -#define NUM_LONGS(bits) (((bits) + LONG_BITS - 1) / LONG_BITS) - -#if defined(QT_NO_MTDEV) -static inline bool testBit(long bit, const long *array) -{ - return (array[bit / LONG_BITS] >> bit % LONG_BITS) & 1; -} -#endif - -QEvdevTouchScreenHandler::QEvdevTouchScreenHandler(const QString &specification, QObject *parent) - : QObject(parent), m_notify(0), m_fd(-1), d(0) -#if !defined(QT_NO_MTDEV) - , m_mtdev(0) -#endif -{ - setObjectName(QLatin1String("Evdev Touch Handler")); - - bool printDeviceInfo = qgetenv("QT_QPA_EVDEV_DEBUG").toInt(); - - // only the first device argument is used for now - QString spec = QString::fromLocal8Bit(qgetenv("QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS")); - - if (spec.isEmpty()) - spec = specification; - - QStringList args = spec.split(QLatin1Char(':')); - - QString dev; - int rotationAngle = 0; - bool invertx = false; - bool inverty = false; - for (int i = 0; i < args.count(); ++i) { - if (args.at(i).startsWith(QLatin1String("/dev/")) && dev.isEmpty()) { - dev = args.at(i); - } else if (args.at(i).startsWith(QLatin1String("rotate"))) { - QString rotateArg = args.at(i).section(QLatin1Char('='), 1, 1); - bool ok; - uint argValue = rotateArg.toUInt(&ok); - if (ok) { - switch (argValue) { - case 90: - case 180: - case 270: - rotationAngle = argValue; - default: - break; - } - } - } else if (args.at(i) == QLatin1String("invertx")) { - invertx = true; - } else if (args.at(i) == QLatin1String("inverty")) { - inverty = true; - } - } - - if (dev.isEmpty()) { - // try to let udev scan for already connected devices - QScopedPointer<QDeviceDiscovery> deviceDiscovery(QDeviceDiscovery::create(QDeviceDiscovery::Device_Touchpad | QDeviceDiscovery::Device_Touchscreen, this)); - if (deviceDiscovery) { - QStringList devices = deviceDiscovery->scanConnectedDevices(); - - // only the first device found is used for now - if (devices.size() > 0) - dev = devices[0]; - } - } - - if (dev.isEmpty()) { - if (printDeviceInfo) - qDebug("evdevtouch: No touch devices found"); - return; - } - - if (printDeviceInfo) - qDebug("evdevtouch: Using device %s", qPrintable(dev)); - - 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(readData())); - } else { - qErrnoWarning(errno, "evdevtouch: Cannot open input device %s", qPrintable(dev)); - return; - } - -#if !defined(QT_NO_MTDEV) - m_mtdev = static_cast<mtdev *>(calloc(1, sizeof(mtdev))); - int mtdeverr = mtdev_open(m_mtdev, m_fd); - if (mtdeverr) { - qWarning("evdevtouch: mtdev_open failed: %d", mtdeverr); - QT_CLOSE(m_fd); - return; - } -#endif - - d = new QEvdevTouchScreenData(this, args); - -#if !defined(QT_NO_MTDEV) - const char *mtdevStr = "(mtdev)"; - d->m_typeB = true; -#else - const char *mtdevStr = ""; - long absbits[NUM_LONGS(ABS_CNT)]; - if (ioctl(m_fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits) >= 0) { - d->m_typeB = testBit(ABS_MT_SLOT, absbits); - d->m_singleTouch = !testBit(ABS_MT_POSITION_X, absbits); - } -#endif - - if (printDeviceInfo) - qDebug("evdevtouch: Protocol type %c %s (%s)", d->m_typeB ? 'B' : 'A', - mtdevStr, d->m_singleTouch ? "single" : "multi"); - - input_absinfo absInfo; - memset(&absInfo, 0, sizeof(input_absinfo)); - bool has_x_range = false, has_y_range = false; - - if (ioctl(m_fd, EVIOCGABS((d->m_singleTouch ? ABS_X : ABS_MT_POSITION_X)), &absInfo) >= 0) { - if (printDeviceInfo) - qDebug("evdevtouch: min X: %d max X: %d", absInfo.minimum, absInfo.maximum); - d->hw_range_x_min = absInfo.minimum; - d->hw_range_x_max = absInfo.maximum; - has_x_range = true; - } - - if (ioctl(m_fd, EVIOCGABS((d->m_singleTouch ? ABS_Y : ABS_MT_POSITION_Y)), &absInfo) >= 0) { - if (printDeviceInfo) - qDebug("evdevtouch: min Y: %d max Y: %d", absInfo.minimum, absInfo.maximum); - d->hw_range_y_min = absInfo.minimum; - d->hw_range_y_max = absInfo.maximum; - has_y_range = true; - } - - if (!has_x_range || !has_y_range) - qWarning("evdevtouch: Invalid ABS limits, behavior unspecified"); - - if (ioctl(m_fd, EVIOCGABS(ABS_PRESSURE), &absInfo) >= 0) { - if (printDeviceInfo) - qDebug("evdevtouch: min pressure: %d max pressure: %d", absInfo.minimum, absInfo.maximum); - if (absInfo.maximum > absInfo.minimum) { - d->hw_pressure_min = absInfo.minimum; - d->hw_pressure_max = absInfo.maximum; - } - } - - char name[1024]; - if (ioctl(m_fd, EVIOCGNAME(sizeof(name) - 1), name) >= 0) { - d->hw_name = QString::fromLocal8Bit(name); - if (printDeviceInfo) - qDebug("evdevtouch: device name: %s", name); - } - - // Fix up the coordinate ranges for am335x in case the kernel driver does not have them fixed. - if (d->hw_name == QLatin1String("ti-tsc")) { - if (d->hw_range_x_min == 0 && d->hw_range_x_max == 4095) { - d->hw_range_x_min = 165; - d->hw_range_x_max = 4016; - } - if (d->hw_range_y_min == 0 && d->hw_range_y_max == 4095) { - d->hw_range_y_min = 220; - d->hw_range_y_max = 3907; - } - if (printDeviceInfo) - qDebug("evdevtouch: found ti-tsc, overriding: min X: %d max X: %d min Y: %d max Y: %d", - d->hw_range_x_min, d->hw_range_x_max, d->hw_range_y_min, d->hw_range_y_max); - } - - bool grabSuccess = !ioctl(m_fd, EVIOCGRAB, (void *) 1); - if (grabSuccess) - ioctl(m_fd, EVIOCGRAB, (void *) 0); - else - qWarning("evdevtouch: The device is grabbed by another process. No events will be read."); - - if (rotationAngle) - d->m_rotate = QTransform::fromTranslate(0.5, 0.5).rotate(rotationAngle).translate(-0.5, -0.5); - - if (invertx) - d->m_rotate *= QTransform::fromTranslate(0.5, 0.5).scale(-1.0, 1.0).translate(-0.5, -0.5); - - if (inverty) - d->m_rotate *= QTransform::fromTranslate(0.5, 0.5).scale(1.0, -1.0).translate(-0.5, -0.5); - - d->registerDevice(); -} - -QEvdevTouchScreenHandler::~QEvdevTouchScreenHandler() -{ -#if !defined(QT_NO_MTDEV) - if (m_mtdev) { - mtdev_close(m_mtdev); - free(m_mtdev); - } -#endif - - if (m_fd >= 0) - QT_CLOSE(m_fd); - - delete d; -} - -void QEvdevTouchScreenHandler::readData() -{ - ::input_event buffer[32]; - int events = 0; - -#if !defined(QT_NO_MTDEV) - forever { - do { - events = mtdev_get(m_mtdev, m_fd, buffer, sizeof(buffer) / sizeof(::input_event)); - // keep trying mtdev_get if we get interrupted. note that we do not - // (and should not) handle EAGAIN; EAGAIN means that reading would - // block and we'll get back here later to try again anyway. - } while (events == -1 && errno == EINTR); - - // 0 events is EOF, -1 means error, handle both in the same place - if (events <= 0) - goto err; - - // process our shiny new events - for (int i = 0; i < events; ++i) - d->processInputEvent(&buffer[i]); - - // and try to get more - } -#else - int n = 0; - for (; ;) { - events = QT_READ(m_fd, reinterpret_cast<char*>(buffer) + n, sizeof(buffer) - n); - if (events <= 0) - goto err; - n += events; - if (n % sizeof(::input_event) == 0) - break; - } - - n /= sizeof(::input_event); - - for (int i = 0; i < n; ++i) - d->processInputEvent(&buffer[i]); -#endif - return; - -err: - if (!events) { - qWarning("evdevtouch: Got EOF from input device"); - return; - } else if (events < 0) { - if (errno != EINTR && errno != EAGAIN) { - qErrnoWarning(errno, "evdevtouch: Could not read from input device"); - if (errno == ENODEV) { // device got disconnected -> stop reading - delete m_notify; - m_notify = 0; - QT_CLOSE(m_fd); - m_fd = -1; - } - return; - } - } -} - -void QEvdevTouchScreenData::addTouchPoint(const Contact &contact, Qt::TouchPointStates *combinedStates) -{ - QWindowSystemInterface::TouchPoint tp; - tp.id = contact.trackingId; - tp.flags = contact.flags; - tp.state = contact.state; - *combinedStates |= tp.state; - - // Store the HW coordinates for now, will be updated later. - tp.area = QRectF(0, 0, contact.maj, contact.maj); - tp.area.moveCenter(QPoint(contact.x, contact.y)); - tp.pressure = contact.pressure; - - // Get a normalized position in range 0..1. - tp.normalPosition = QPointF((contact.x - hw_range_x_min) / qreal(hw_range_x_max - hw_range_x_min), - (contact.y - hw_range_y_min) / qreal(hw_range_y_max - hw_range_y_min)); - - if (!m_rotate.isIdentity()) - tp.normalPosition = m_rotate.map(tp.normalPosition); - - tp.rawPositions.append(QPointF(contact.x, contact.y)); - - m_touchPoints.append(tp); -} - -void QEvdevTouchScreenData::processInputEvent(input_event *data) -{ - if (data->type == EV_ABS) { - - if (data->code == ABS_MT_POSITION_X || (m_singleTouch && data->code == ABS_X)) { - m_currentData.x = qBound(hw_range_x_min, data->value, hw_range_x_max); - if (m_singleTouch) - m_contacts[m_currentSlot].x = m_currentData.x; - if (m_typeB) { - m_contacts[m_currentSlot].x = m_currentData.x; - if (m_contacts[m_currentSlot].state == Qt::TouchPointStationary) - m_contacts[m_currentSlot].state = Qt::TouchPointMoved; - } - } else if (data->code == ABS_MT_POSITION_Y || (m_singleTouch && data->code == ABS_Y)) { - m_currentData.y = qBound(hw_range_y_min, data->value, hw_range_y_max); - if (m_singleTouch) - m_contacts[m_currentSlot].y = m_currentData.y; - if (m_typeB) { - m_contacts[m_currentSlot].y = m_currentData.y; - if (m_contacts[m_currentSlot].state == Qt::TouchPointStationary) - m_contacts[m_currentSlot].state = Qt::TouchPointMoved; - } - } else if (data->code == ABS_MT_TRACKING_ID) { - m_currentData.trackingId = data->value; - if (m_typeB) { - if (m_currentData.trackingId == -1) { - m_contacts[m_currentSlot].state = Qt::TouchPointReleased; - } else { - m_contacts[m_currentSlot].state = Qt::TouchPointPressed; - m_contacts[m_currentSlot].trackingId = m_currentData.trackingId; - } - } - } else if (data->code == ABS_MT_TOUCH_MAJOR) { - m_currentData.maj = data->value; - if (data->value == 0) - m_currentData.state = Qt::TouchPointReleased; - if (m_typeB) - m_contacts[m_currentSlot].maj = m_currentData.maj; - } else if (data->code == ABS_PRESSURE) { - m_currentData.pressure = qBound(hw_pressure_min, data->value, hw_pressure_max); - if (m_typeB || m_singleTouch) - m_contacts[m_currentSlot].pressure = m_currentData.pressure; - } else if (data->code == ABS_MT_SLOT) { - m_currentSlot = data->value; - } - - } else if (data->type == EV_KEY && !m_typeB) { - if (data->code == BTN_TOUCH && data->value == 0) - m_contacts[m_currentSlot].state = Qt::TouchPointReleased; - } else if (data->type == EV_SYN && data->code == SYN_MT_REPORT && m_lastEventType != EV_SYN) { - - // If there is no tracking id, one will be generated later. - // Until that use a temporary key. - int key = m_currentData.trackingId; - if (key == -1) - key = m_contacts.count(); - - m_contacts.insert(key, m_currentData); - m_currentData = Contact(); - - } else if (data->type == EV_SYN && data->code == SYN_REPORT) { - - // Ensure valid IDs even when the driver does not report ABS_MT_TRACKING_ID. - if (!m_contacts.isEmpty() && m_contacts.constBegin().value().trackingId == -1) - assignIds(); - - m_touchPoints.clear(); - Qt::TouchPointStates combinedStates; - - QMutableHashIterator<int, Contact> it(m_contacts); - while (it.hasNext()) { - it.next(); - Contact &contact(it.value()); - - if (!contact.state) - continue; - - int key = m_typeB ? it.key() : contact.trackingId; - if (!m_typeB && m_lastContacts.contains(key)) { - const Contact &prev(m_lastContacts.value(key)); - if (contact.state == Qt::TouchPointReleased) { - // Copy over the previous values for released points, just in case. - contact.x = prev.x; - contact.y = prev.y; - contact.maj = prev.maj; - } else { - contact.state = (prev.x == contact.x && prev.y == contact.y) - ? Qt::TouchPointStationary : Qt::TouchPointMoved; - } - } - - // Avoid reporting a contact in released state more than once. - if (!m_typeB && contact.state == Qt::TouchPointReleased - && !m_lastContacts.contains(key)) { - it.remove(); - continue; - } - - addTouchPoint(contact, &combinedStates); - } - - // Now look for contacts that have disappeared since the last sync. - it = m_lastContacts; - while (it.hasNext()) { - it.next(); - Contact &contact(it.value()); - int key = m_typeB ? it.key() : contact.trackingId; - if (!m_contacts.contains(key)) { - contact.state = Qt::TouchPointReleased; - addTouchPoint(contact, &combinedStates); - } - } - - // Remove contacts that have just been reported as released. - it = m_contacts; - while (it.hasNext()) { - it.next(); - Contact &contact(it.value()); - if (contact.state == Qt::TouchPointReleased) { - if (m_typeB) - contact.state = static_cast<Qt::TouchPointState>(0); - else - it.remove(); - } else { - contact.state = Qt::TouchPointStationary; - } - } - - m_lastContacts = m_contacts; - if (!m_typeB && !m_singleTouch) - m_contacts.clear(); - - if (!m_touchPoints.isEmpty() && combinedStates != Qt::TouchPointStationary) - reportPoints(); - } - - m_lastEventType = data->type; -} - -int QEvdevTouchScreenData::findClosestContact(const QHash<int, Contact> &contacts, int x, int y, int *dist) -{ - int minDist = -1, id = -1; - for (QHash<int, Contact>::const_iterator it = contacts.constBegin(), ite = contacts.constEnd(); - it != ite; ++it) { - const Contact &contact(it.value()); - int dx = x - contact.x; - int dy = y - contact.y; - int dist = dx * dx + dy * dy; - if (minDist == -1 || dist < minDist) { - minDist = dist; - id = contact.trackingId; - } - } - if (dist) - *dist = minDist; - return id; -} - -void QEvdevTouchScreenData::assignIds() -{ - QHash<int, Contact> candidates = m_lastContacts, pending = m_contacts, newContacts; - int maxId = -1; - QHash<int, Contact>::iterator it, ite, bestMatch; - while (!pending.isEmpty() && !candidates.isEmpty()) { - int bestDist = -1, bestId = 0; - for (it = pending.begin(), ite = pending.end(); it != ite; ++it) { - int dist; - int id = findClosestContact(candidates, it->x, it->y, &dist); - if (id >= 0 && (bestDist == -1 || dist < bestDist)) { - bestDist = dist; - bestId = id; - bestMatch = it; - } - } - if (bestDist >= 0) { - bestMatch->trackingId = bestId; - newContacts.insert(bestId, *bestMatch); - candidates.remove(bestId); - pending.erase(bestMatch); - if (bestId > maxId) - maxId = bestId; - } - } - if (candidates.isEmpty()) { - for (it = pending.begin(), ite = pending.end(); it != ite; ++it) { - it->trackingId = ++maxId; - newContacts.insert(it->trackingId, *it); - } - } - m_contacts = newContacts; -} - -void QEvdevTouchScreenData::reportPoints() -{ - QRect winRect; - if (m_forceToActiveWindow) { - QWindow *win = QGuiApplication::focusWindow(); - if (!win) - return; - winRect = win->geometry(); - } else { - winRect = QGuiApplication::primaryScreen()->geometry(); - } - - const int hw_w = hw_range_x_max - hw_range_x_min; - const int hw_h = hw_range_y_max - hw_range_y_min; - - // Map the coordinates based on the normalized position. QPA expects 'area' - // to be in screen coordinates. - const int pointCount = m_touchPoints.count(); - for (int i = 0; i < pointCount; ++i) { - QWindowSystemInterface::TouchPoint &tp(m_touchPoints[i]); - - // Generate a screen position that is always inside the active window - // or the primary screen. Even though we report this as a QRectF, internally - // Qt uses QRect/QPoint so we need to bound the size to winRect.size() - QSize(1, 1) - const qreal wx = winRect.left() + tp.normalPosition.x() * (winRect.width() - 1); - const qreal wy = winRect.top() + tp.normalPosition.y() * (winRect.height() - 1); - const qreal sizeRatio = (winRect.width() + winRect.height()) / qreal(hw_w + hw_h); - if (tp.area.width() == -1) // touch major was not provided - tp.area = QRectF(0, 0, 8, 8); - else - tp.area = QRectF(0, 0, tp.area.width() * sizeRatio, tp.area.height() * sizeRatio); - tp.area.moveCenter(QPointF(wx, wy)); - - // Calculate normalized pressure. - if (!hw_pressure_min && !hw_pressure_max) - tp.pressure = tp.state == Qt::TouchPointReleased ? 0 : 1; - else - tp.pressure = (tp.pressure - hw_pressure_min) / qreal(hw_pressure_max - hw_pressure_min); - } - - QWindowSystemInterface::handleTouchEvent(0, m_device, m_touchPoints); -} - - -QEvdevTouchScreenHandlerThread::QEvdevTouchScreenHandlerThread(const QString &spec, QObject *parent) - : QThread(parent), m_spec(spec), m_handler(0) -{ - start(); -} - -QEvdevTouchScreenHandlerThread::~QEvdevTouchScreenHandlerThread() -{ - quit(); - wait(); -} - -void QEvdevTouchScreenHandlerThread::run() -{ - m_handler = new QEvdevTouchScreenHandler(m_spec); - exec(); - delete m_handler; - m_handler = 0; -} - - -QT_END_NAMESPACE |