| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015-2016 Oleksandr Tymoshenko <gonzo@bluezbox.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the plugins of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/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 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qbsdmouse.h" |
| |
| #include <QSocketNotifier> |
| #include <QStringList> |
| #include <QPoint> |
| #include <QGuiApplication> |
| #include <qpa/qwindowsysteminterface.h> |
| #include <private/qguiapplication_p.h> |
| #include <private/qinputdevicemanager_p_p.h> |
| |
| #include <private/qcore_unix_p.h> |
| #include <qdebug.h> |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sys/mouse.h> |
| #include <unistd.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| enum { |
| PsmLevelBasic = 0, |
| PsmLevelExtended = 1, |
| PsmLevelNative = 2 |
| }; |
| |
| QBsdMouseHandler::QBsdMouseHandler(const QString &key, const QString &specification) |
| { |
| Q_UNUSED(key); |
| |
| setObjectName(QLatin1String("BSD Sysmouse Handler")); |
| |
| QByteArray device; |
| if (specification.startsWith("/dev/")) |
| device = QFile::encodeName(specification); |
| |
| if (device.isEmpty()) |
| device = QByteArrayLiteral("/dev/sysmouse"); |
| |
| m_devFd = QT_OPEN(device.constData(), O_RDONLY); |
| if (m_devFd < 0) { |
| qErrnoWarning(errno, "open(%s) failed", device.constData()); |
| return; |
| } |
| |
| int level = 0; |
| if (ioctl(m_devFd, MOUSE_GETLEVEL, &level)) { |
| qErrnoWarning(errno, "ioctl(%s, MOUSE_GETLEVEL) failed", device.constData()); |
| close(m_devFd); |
| m_devFd = -1; |
| return; |
| } |
| |
| switch (level) { |
| case PsmLevelBasic: |
| m_packetSize = 5; |
| break; |
| case PsmLevelExtended: |
| m_packetSize = 8; |
| break; |
| default: |
| qWarning("Unsupported mouse device operation level: %d", level); |
| close(m_devFd); |
| m_devFd = -1; |
| return; |
| } |
| |
| if (fcntl(m_devFd, F_SETFL, O_NONBLOCK)) { |
| qErrnoWarning(errno, "fcntl(%s, F_SETFL, O_NONBLOCK) failed", device.constData()); |
| close(m_devFd); |
| m_devFd = -1; |
| return; |
| } |
| |
| m_notifier.reset(new QSocketNotifier(m_devFd, QSocketNotifier::Read, this)); |
| connect(m_notifier.data(), &QSocketNotifier::activated, this, &QBsdMouseHandler::readMouseData); |
| QInputDeviceManagerPrivate::get(QGuiApplicationPrivate::inputDeviceManager())->setDeviceCount( |
| QInputDeviceManager::DeviceTypePointer, 1); |
| } |
| |
| QBsdMouseHandler::~QBsdMouseHandler() |
| { |
| if (m_devFd != -1) |
| close(m_devFd); |
| } |
| |
| void QBsdMouseHandler::readMouseData() |
| { |
| if (m_devFd < 0) |
| return; |
| |
| if (m_packetSize == 0) |
| return; |
| |
| // packet format described in mouse(4) |
| qint8 packet[MOUSE_SYS_PACKETSIZE]; |
| quint8 status = 0; |
| while (read(m_devFd, packet, m_packetSize) == m_packetSize) { |
| const qint16 relx = packet[1] + packet[3]; |
| const qint16 rely = -(packet[2] + packet[4]); |
| |
| m_x += relx; |
| m_y += rely; |
| |
| status = packet[0] & MOUSE_SYS_STDBUTTONS; |
| } |
| |
| // clamp to screen geometry |
| const QRect g = QGuiApplication::primaryScreen()->virtualGeometry(); |
| if (m_x + m_xOffset < g.left()) |
| m_x = g.left() - m_xOffset; |
| else if (m_x + m_xOffset > g.right()) |
| m_x = g.right() - m_xOffset; |
| |
| if (m_y + m_yOffset < g.top()) |
| m_y = g.top() - m_yOffset; |
| else if (m_y + m_yOffset > g.bottom()) |
| m_y = g.bottom() - m_yOffset; |
| |
| const QPoint pos(m_x + m_xOffset, m_y + m_yOffset); |
| m_buttons = Qt::NoButton; |
| if (!(status & MOUSE_SYS_BUTTON1UP)) |
| m_buttons |= Qt::LeftButton; |
| if (!(status & MOUSE_SYS_BUTTON2UP)) |
| m_buttons |= Qt::MiddleButton; |
| if (!(status & MOUSE_SYS_BUTTON3UP)) |
| m_buttons |= Qt::RightButton; |
| |
| QWindowSystemInterface::handleMouseEvent(0, pos, pos, m_buttons); |
| } |
| |
| QT_END_NAMESPACE |