diff options
Diffstat (limited to 'src/plugins/platforms/integrity/qintegrityhidmanager.cpp')
-rw-r--r-- | src/plugins/platforms/integrity/qintegrityhidmanager.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/plugins/platforms/integrity/qintegrityhidmanager.cpp b/src/plugins/platforms/integrity/qintegrityhidmanager.cpp new file mode 100644 index 0000000000..64eda98e2a --- /dev/null +++ b/src/plugins/platforms/integrity/qintegrityhidmanager.cpp @@ -0,0 +1,252 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Green Hills Software +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtGui 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 The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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 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. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qintegrityhidmanager.h" +#include <QList> +#include <QPoint> +#include <QGuiApplication> +#include <qpa/qwindowsysteminterface.h> +#include <device/hiddriver.h> + +QT_BEGIN_NAMESPACE + +class IntNotifier +{ + static const Value ActivityPriority = 2; +protected: + Activity act; +public: + IntNotifier() + { + CheckSuccess(CreateActivity(CurrentTask(), ActivityPriority, false, (Value)this, &act)); + }; + ~IntNotifier() + { + CheckSuccess(CloseActivity(act)); + }; + virtual void process_event() = 0; + virtual void async_wait() = 0; +}; + +class HIDDeviceHandler : IntNotifier +{ +public: + HIDDeviceHandler(HIDDriver *hidd, HIDHandle hidh) + : driver(hidd), handle(hidh), currentPos(0, 0) { } + ~HIDDeviceHandler() + { + CheckSuccess(gh_hid_close(handle)); + }; + void process_event(void) Q_DECL_OVERRIDE; + void async_wait(void) Q_DECL_OVERRIDE; + HIDDriver *get_driver(void) { return driver; }; + HIDHandle get_handle(void) { return handle; }; +private: + HIDDriver *driver; + HIDHandle handle; + QPoint currentPos; + Qt::MouseButtons buttons; +}; + +class HIDDriverHandler : IntNotifier +{ +public: + HIDDriverHandler(HIDDriver *hidd) : IntNotifier(), driver(hidd) { } + ~HIDDriverHandler() + { + qDeleteAll(devices); + }; + void process_event(void) Q_DECL_OVERRIDE; + void async_wait(void) Q_DECL_OVERRIDE; + void find_devices(void); +private: + QHash<Value, HIDDeviceHandler *> devices; + HIDDriver *driver; +}; + +void HIDDriverHandler::process_event() +{ + find_devices(); +} + +void HIDDriverHandler::async_wait() +{ + gh_hid_wait_for_new_device(driver, act); +} + +void HIDDriverHandler::find_devices() +{ + Error err; + uintptr_t devicecontext; + uint32_t device_id; + HIDHandle handle; + HIDDeviceHandler *hidnot; + + devicecontext = 0; + forever { + err = gh_hid_enum_devices(driver, &device_id, &devicecontext); + if (err == OperationNotImplemented) + break; + else if (err == Failure) + break; + if (!devices.contains(device_id)) { + err = gh_hid_init_device(driver, device_id, &handle); + if (err == Success) { + hidnot = new HIDDeviceHandler(driver, handle); + devices.insert(device_id, hidnot); + hidnot->async_wait(); + } + } + } + if (err == OperationNotImplemented) { + /* fallback on legacy enumeration where we assume 0-based + * contiguous indexes */ + device_id = 0; + err = Success; + do { + if (!devices.contains(device_id)) { + err = gh_hid_init_device(driver, device_id, &handle); + if (err != Success) + break; + hidnot = new HIDDeviceHandler(driver, handle); + devices.insert(device_id, hidnot); + hidnot->async_wait(); + } + device_id++; + } while (err == Success); + } + + async_wait(); +} + + +void HIDDeviceHandler::process_event() +{ + HIDEvent event; + uint32_t num_events = 1; + + while (gh_hid_get_event(handle, &event, &num_events) == Success) { + if (event.type == HID_TYPE_AXIS) { + switch (event.index) { + case HID_AXIS_ABSX: + currentPos.setX(event.value); + break; + case HID_AXIS_ABSY: + currentPos.setY(event.value); + break; + case HID_AXIS_RELX: + currentPos.setX(currentPos.x() + event.value); + break; + case HID_AXIS_RELY: + currentPos.setY(currentPos.y() + event.value); + break; + default: + /* ignore the rest for now */ + break; + } + } else if (event.type == HID_TYPE_KEY) { + switch (event.index) { + case HID_BUTTON_LEFT: + if (event.value) + buttons |= Qt::LeftButton; + else + buttons &= ~Qt::LeftButton; + break; + case HID_BUTTON_MIDDLE: + if (event.value) + buttons |= Qt::MiddleButton; + else + buttons &= ~Qt::MiddleButton; + break; + case HID_BUTTON_RIGHT: + if (event.value) + buttons |= Qt::RightButton; + else + buttons &= ~Qt::RightButton; + break; + default: + /* ignore the rest for now */ + break; + } + } else if (event.type == HID_TYPE_SYNC) { + QWindowSystemInterface::handleMouseEvent(0, currentPos, currentPos, buttons, + QGuiApplication::keyboardModifiers()); + } else if (event.type == HID_TYPE_DISCONNECT) { + /* FIXME */ + } + } + async_wait(); +} + +void HIDDeviceHandler::async_wait() +{ + CheckSuccess(gh_hid_async_wait_for_event(handle, act)); +} + +void QIntegrityHIDManager::open_devices() +{ + HIDDriver *hidd; + uintptr_t context = 0; + HIDDriverHandler *hidnot; + + while (gh_hid_enum_drivers(&hidd, &context) == Success) { + hidnot = new HIDDriverHandler(hidd); + m_drivers.append(hidnot); + hidnot->find_devices(); + } +} + +void QIntegrityHIDManager::run() +{ + IntNotifier *notifier; + open_devices(); + /* main loop */ + forever { + WaitForActivity((Value *)¬ifier); + notifier->process_event(); + } +} + +QIntegrityHIDManager::QIntegrityHIDManager(const QString &key, const QString &spec, QObject *parent) + : QThread(parent) +{ + start(); +} + +QIntegrityHIDManager::~QIntegrityHIDManager() +{ + terminate(); + qDeleteAll(m_drivers); +} + +QT_END_NAMESPACE |