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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Gamepad module
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 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.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 later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgamepadmanager.h"
#include "qgamepadbackend_p.h"
#include "qgamepadbackendfactory_p.h"
#include <QtCore/QLoggingCategory>
#include <private/qobject_p.h>
QT_BEGIN_NAMESPACE
Q_LOGGING_CATEGORY(gp, "qt.gamepad")
class QGamepadManagerPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QGamepadManager)
public:
QGamepadManagerPrivate()
: gamepadBackend(nullptr)
{
loadBackend();
}
void loadBackend();
QGamepadBackend *gamepadBackend;
QSet<int> connectedGamepads;
//private slots
void _q_forwardGamepadConnected(int deviceId);
void _q_forwardGamepadDisconnected(int deviceId);
void _q_forwardGamepadAxisEvent(int deviceId, QGamepadManager::GamepadAxis axis, double value);
void _q_forwardGamepadButtonPressEvent(int deviceId, QGamepadManager::GamepadButton button, double value);
void _q_forwardGamepadButtonReleaseEvent(int deviceId, QGamepadManager::GamepadButton button);
};
void QGamepadManagerPrivate::_q_forwardGamepadConnected(int deviceId)
{
Q_Q(QGamepadManager);
connectedGamepads.insert(deviceId);
emit q->gamepadConnected(deviceId);
emit q->connectedGamepadsChanged();
}
void QGamepadManagerPrivate::_q_forwardGamepadDisconnected(int deviceId)
{
Q_Q(QGamepadManager);
connectedGamepads.remove(deviceId);
emit q->gamepadDisconnected(deviceId);
emit q->connectedGamepadsChanged();
}
void QGamepadManagerPrivate::_q_forwardGamepadAxisEvent(int deviceId, QGamepadManager::GamepadAxis axis, double value)
{
Q_Q(QGamepadManager);
emit q->gamepadAxisEvent(deviceId, axis, value);
}
void QGamepadManagerPrivate::_q_forwardGamepadButtonPressEvent(int deviceId, QGamepadManager::GamepadButton button, double value)
{
Q_Q(QGamepadManager);
emit q->gamepadButtonPressEvent(deviceId, button, value);
}
void QGamepadManagerPrivate::_q_forwardGamepadButtonReleaseEvent(int deviceId, QGamepadManager::GamepadButton button)
{
Q_Q(QGamepadManager);
emit q->gamepadButtonReleaseEvent(deviceId, button);
}
void QGamepadManagerPrivate::loadBackend()
{
QStringList keys = QGamepadBackendFactory::keys();
qCDebug(gp) << "Available backends:" << keys;
if (!keys.isEmpty()) {
QString requestedKey = QString::fromUtf8(qgetenv("QT_GAMEPAD"));
QString targetKey = keys.first();
if (!requestedKey.isEmpty() && keys.contains(requestedKey))
targetKey = requestedKey;
if (!targetKey.isEmpty()) {
qCDebug(gp) << "Loading backend" << targetKey;
gamepadBackend = QGamepadBackendFactory::create(targetKey, QStringList());
}
}
if (!gamepadBackend) {
//Use dummy backend
gamepadBackend = new QGamepadBackend();
qCDebug(gp) << "Using dummy backend";
}
}
/*!
\class QGamepadManager
\inmodule QtGamepad
\brief Queries attached gamepads and related events.
QGamepadManager provides a high-level interface for querying the attached
gamepads and events related to all of the connected devices.
*/
/*!
* Constructor for QGamepadManager.
*/
QGamepadManager::QGamepadManager() :
QObject(*new QGamepadManagerPrivate(), nullptr)
{
Q_D(QGamepadManager);
qRegisterMetaType<QGamepadManager::GamepadButton>("QGamepadManager::GamepadButton");
qRegisterMetaType<QGamepadManager::GamepadAxis>("QGamepadManager::GamepadAxis");
connect(d->gamepadBackend, SIGNAL(gamepadAdded(int)), this, SLOT(_q_forwardGamepadConnected(int)));
connect(d->gamepadBackend, SIGNAL(gamepadRemoved(int)), this, SLOT(_q_forwardGamepadDisconnected(int)));
connect(d->gamepadBackend, SIGNAL(gamepadAxisMoved(int,QGamepadManager::GamepadAxis,double)), this, SLOT(_q_forwardGamepadAxisEvent(int,QGamepadManager::GamepadAxis,double)));
connect(d->gamepadBackend, SIGNAL(gamepadButtonPressed(int,QGamepadManager::GamepadButton,double)), this, SLOT(_q_forwardGamepadButtonPressEvent(int,QGamepadManager::GamepadButton,double)));
connect(d->gamepadBackend, SIGNAL(gamepadButtonReleased(int,QGamepadManager::GamepadButton)), this, SLOT(_q_forwardGamepadButtonReleaseEvent(int,QGamepadManager::GamepadButton)));
connect(d->gamepadBackend, &QGamepadBackend::buttonConfigured, this, &QGamepadManager::buttonConfigured);
connect(d->gamepadBackend, &QGamepadBackend::axisConfigured, this, &QGamepadManager::axisConfigured);
connect(d->gamepadBackend, &QGamepadBackend::configurationCanceled, this, &QGamepadManager::configurationCanceled);
if (!d->gamepadBackend->start())
qCWarning(gp) << "Failed to start gamepad backend";
}
/*!
* Destructor for QGamepadManager.
*/
QGamepadManager::~QGamepadManager()
{
Q_D(QGamepadManager);
d->gamepadBackend->stop();
d->gamepadBackend->deleteLater();
}
QGamepadManager *QGamepadManager::instance()
{
static QGamepadManager instance;
return &instance;
}
bool QGamepadManager::isGamepadConnected(int deviceId) const
{
Q_D(const QGamepadManager);
return d->connectedGamepads.contains(deviceId);
}
const QList<int> QGamepadManager::connectedGamepads() const
{
Q_D(const QGamepadManager);
return d->connectedGamepads.toList();
}
bool QGamepadManager::isConfigurationNeeded(int deviceId) const
{
Q_D(const QGamepadManager);
return d->gamepadBackend->isConfigurationNeeded(deviceId);
}
bool QGamepadManager::configureButton(int deviceId, QGamepadManager::GamepadButton button)
{
Q_D(QGamepadManager);
return d->gamepadBackend->configureButton(deviceId, button);
}
bool QGamepadManager::configureAxis(int deviceId, QGamepadManager::GamepadAxis axis)
{
Q_D(QGamepadManager);
return d->gamepadBackend->configureAxis(deviceId, axis);
}
bool QGamepadManager::setCancelConfigureButton(int deviceId, QGamepadManager::GamepadButton button)
{
Q_D(QGamepadManager);
return d->gamepadBackend->setCancelConfigureButton(deviceId, button);
}
void QGamepadManager::resetConfiguration(int deviceId)
{
Q_D(QGamepadManager);
d->gamepadBackend->resetConfiguration(deviceId);
}
void QGamepadManager::setSettingsFile(const QString &file)
{
Q_D(QGamepadManager);
d->gamepadBackend->setSettingsFile(file);
}
QT_END_NAMESPACE
#include "moc_qgamepadmanager.cpp"
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