Loading...
Searching...
No Matches
qdeclarativeinputdevicemodel.cpp
/****************************************************************************
**
** Copyright (C) 2015 Jolla.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSystems module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdeclarativeinputdevicemodel_p.h"
#include "qinputinfo.h"
QDeclarativeInputDeviceModel::QDeclarativeInputDeviceModel(QObject *parent) :
QAbstractListModel(parent),
deviceInfo(new QInputDeviceManager),
currentFilter(QInputDevice::Unknown)
{
connect(deviceInfo,SIGNAL(ready()),this,SLOT(updateDeviceList()));
connect(deviceInfo, &QInputDeviceManager::deviceAdded,this,&QDeclarativeInputDeviceModel::addedDevice);
connect(deviceInfo, &QInputDeviceManager::deviceRemoved,this,&QDeclarativeInputDeviceModel::removedDevice);
}
QDeclarativeInputDeviceModel::~QDeclarativeInputDeviceModel()
{
delete deviceInfo;
}
QVariant QDeclarativeInputDeviceModel::data(const QModelIndex &index, int role) const
{
switch (role) {
case ServiceRole:
return QVariant::fromValue(static_cast<QObject *>(inputDevices.value(index.row())));
break;
case NameRole:
return QVariant::fromValue(static_cast<QString>(inputDevices.value(index.row())->name()));
break;
case DevicePathRole:
return QVariant::fromValue(static_cast<QString>(inputDevices.value(index.row())->devicePath()));
break;
case ButtonsRole:
return QVariant::fromValue(static_cast<QList <int> >(inputDevices.value(index.row())->buttons()));
break;
case SwitchesRole:
return QVariant::fromValue(static_cast<QList <int> >(inputDevices.value(index.row())->switches()));
break;
case RelativeAxisRole:
return QVariant::fromValue(static_cast<QList <int> >(inputDevices.value(index.row())->relativeAxis()));
break;
case AbsoluteAxisRole:
return QVariant::fromValue(static_cast<QList <int> >(inputDevices.value(index.row())->absoluteAxis()));
break;
case TypesRole:
return QVariant::fromValue(static_cast<int>(inputDevices.value(index.row())->type()));
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->devicePath() == 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()
{
QVector <QInputDevice *> newDevices = deviceInfo->deviceListOfType(currentFilter);
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();
Q_EMIT countChanged();
} else if (i != j) {
// changed its position -> move it
QInputDevice* device = inputDevices.value(j);
beginMoveRows(QModelIndex(), j, j, QModelIndex(), i);
inputDevices.remove(j);
inputDevices.insert(i, device);
endMoveRows();
Q_EMIT countChanged();
} //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();
Q_EMIT countChanged();
}
}
void QDeclarativeInputDeviceModel::addedDevice(const QString &devicePath)
{
updateDeviceList();
Q_EMIT deviceAdded(devicePath);
}
void QDeclarativeInputDeviceModel::removedDevice(const QString &devicePath)
{
updateDeviceList();
Q_EMIT deviceRemoved(devicePath);
}
QHash<int,QByteArray> QDeclarativeInputDeviceModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[NameRole] = "name";
roles[DevicePathRole] = "devicePath";
roles[ButtonsRole] = "buttons";
roles[SwitchesRole] = "switches";
roles[RelativeAxisRole] = "rAxis";
roles[AbsoluteAxisRole] = "aAxis";
roles[TypesRole] = "types";
return roles;
}
/*
* Returns the currently set device filter.
* */
QInputDevice::InputType QDeclarativeInputDeviceModel::deviceFilter()
{
return currentFilter;
}
/*
* Sets the current input device filter to filter.
* */
void QDeclarativeInputDeviceModel::setDeviceFilter(QInputDevice::InputType filter)
{
if (filter != currentFilter) {
deviceInfo->setDeviceFilter(filter);
currentFilter = filter;
updateDeviceList();
Q_EMIT deviceFilterChanged(filter);
}
}