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/****************************************************************************
**
** Copyright (C) 2016 Canonical Limited and/or its subsidiary(-ies).
** Copyright (C) 2015 Jolla.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSystems 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 "qdeclarativeinputdevicemodel_p.h"
#include "qinputinfo.h"
QT_BEGIN_NAMESPACE
QDeclarativeInputDeviceModel::QDeclarativeInputDeviceModel(QObject *parent) :
QAbstractListModel(parent),
deviceInfoManager(new QInputInfoManager),
currentFilter(QInputDevice::UnknownType)
{
connect(deviceInfoManager,SIGNAL(ready()),this,SLOT(updateDeviceList()));
connect(deviceInfoManager,SIGNAL(filterChanged(QInputDevice::InputTypeFlags)),
this,SLOT(updateDeviceList()));
connect(deviceInfoManager, &QInputInfoManager::deviceAdded,
this,&QDeclarativeInputDeviceModel::addedDevice);
connect(deviceInfoManager, &QInputInfoManager::deviceRemoved,
this,&QDeclarativeInputDeviceModel::removedDevice);
connect(deviceInfoManager, &QInputInfoManager::countChanged,
this,&QDeclarativeInputDeviceModel::countChanged);
}
QDeclarativeInputDeviceModel::~QDeclarativeInputDeviceModel()
{
delete deviceInfoManager;
}
QVariant QDeclarativeInputDeviceModel::data(const QModelIndex &index, int role) const
{
QInputDevice *device = inputDevices.value(index.row());
if (!device)
return QVariant();
switch (role) {
case ServiceRole:
return QVariant::fromValue(static_cast<QObject *>(device));
break;
case NameRole:
return QVariant::fromValue(static_cast<QString>(device->name()));
break;
case IdentifierRole:
return QVariant::fromValue(static_cast<QString>(device->identifier()));
break;
case ButtonsRole:
return QVariant::fromValue(static_cast<QList <int> >(device->buttons()));
break;
case SwitchesRole:
return QVariant::fromValue(static_cast<QList <int> >(device->switches()));
break;
case RelativeAxesRole:
return QVariant::fromValue(static_cast<QList <int> >(device->relativeAxes()));
break;
case AbsoluteAxesRole:
return QVariant::fromValue(static_cast<QList <int> >(device->absoluteAxes()));
break;
case TypesRole:
return QVariant::fromValue(static_cast<int>(device->types()));
break;
};
return QVariant();
}
int QDeclarativeInputDeviceModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return inputDevices.count();
}
int QDeclarativeInputDeviceModel::indexOf(const QString &devicePath) const
{
int idx(-1);
Q_FOREACH (QInputDevice *device, inputDevices) {
idx++;
if (device->identifier() == devicePath) return idx;
}
return -1;
}
QInputDevice *QDeclarativeInputDeviceModel::get(int index) const
{
if (index < 0 || index > inputDevices.count())
return 0;
return inputDevices.value(index);
}
void QDeclarativeInputDeviceModel::updateDeviceList()
{
QList <QInputDevice *> newDevices = deviceInfoManager->deviceMap().values();
int numNew = newDevices.count();
for (int i = 0; i < numNew; i++) {
int j = inputDevices.indexOf(newDevices.value(i));
if (j == -1) {
beginInsertRows(QModelIndex(), i, i);
inputDevices.insert(i, newDevices.value(i));
endInsertRows();
} else if (i != j) {
// changed its position -> move it
QInputDevice* device = inputDevices.value(j);
beginMoveRows(QModelIndex(), j, j, QModelIndex(), i);
inputDevices.remove(j);
if (i >= inputDevices.size())
inputDevices.resize(i + 1);
inputDevices.insert(i, device);
endMoveRows();
} //else {
QModelIndex changedIndex(this->index(j, 0, QModelIndex()));
Q_EMIT dataChanged(changedIndex, changedIndex);
}
int numOld = inputDevices.count();
if (numOld > numNew) {
beginRemoveRows(QModelIndex(), numNew, numOld - 1);
inputDevices.remove(numNew, numOld - numNew);
endRemoveRows();
}
}
void QDeclarativeInputDeviceModel::addedDevice(QInputDevice *device)
{
updateDeviceList();
setFilter(currentFilter);
Q_EMIT added(device);
}
void QDeclarativeInputDeviceModel::removedDevice(const QString &devicePath)
{
updateDeviceList();
setFilter(currentFilter);
Q_EMIT removed(devicePath);
}
QHash<int,QByteArray> QDeclarativeInputDeviceModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[NameRole] = "name";
roles[IdentifierRole] = "identifier";
roles[ButtonsRole] = "buttons";
roles[SwitchesRole] = "switches";
roles[RelativeAxesRole] = "rAxis";
roles[AbsoluteAxesRole] = "aAxis";
roles[TypesRole] = "types";
return roles;
}
/*
* Returns the currently set device filter.
* */
QInputDevice::InputTypeFlags QDeclarativeInputDeviceModel::filter()
{
return currentFilter;
}
/*
* Sets the current input device filter to filter.
* */
void QDeclarativeInputDeviceModel::setFilter(QInputDevice::InputTypeFlags filter)
{
if (filter != currentFilter) {
deviceInfoManager->setFilter(filter);
currentFilter = filter;
Q_EMIT filterChanged(filter);
}
}
QT_END_NAMESPACE
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