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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 "inputhandler_p.h"
#include "inputmanagers_p.h"
#include "keyboardeventfilter_p.h"
#include "mouseeventfilter.h"
#include "assignkeyboardfocusjob_p.h"
#include "keyeventdispatcherjob_p.h"
#include "mouseeventdispatcherjob_p.h"
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DInput {
namespace Input {
InputHandler::InputHandler()
: m_keyboardControllerManager(new KeyboardControllerManager())
, m_keyboardInputManager(new KeyboardInputManager())
, m_mouseControllerManager(new MouseControllerManager())
, m_mouseInputManager(new MouseInputManager())
, m_eventSource(Q_NULLPTR)
, m_keyboardEventFilter(new KeyboardEventFilter())
, m_mouseEventFilter(new MouseEventFilter())
{
m_keyboardEventFilter->setInputHandler(this);
m_mouseEventFilter->setInputHandler(this);
}
// Called in MainThread
void InputHandler::setEventSource(QObject *object)
{
if (object != m_eventSource) {
if (m_eventSource) {
m_eventSource->removeEventFilter(m_keyboardEventFilter);
m_eventSource->removeEventFilter(m_mouseEventFilter);
}
clearPendingKeyEvents();
clearPendingMouseEvents();
m_eventSource = object;
if (m_eventSource) {
m_eventSource->installEventFilter(m_keyboardEventFilter);
m_eventSource->installEventFilter(m_mouseEventFilter);
}
}
}
// Called by the keyboardEventFilter in the main thread
void InputHandler::appendKeyEvent(const QKeyEvent &event)
{
QMutexLocker lock(&m_mutex);
m_pendingEvents.append(event);
}
// Called by QInputASpect::jobsToExecute (aspectThread)
QList<QKeyEvent> InputHandler::pendingKeyEvents()
{
QMutexLocker lock(&m_mutex);
QList<QKeyEvent> pendingEvents = m_pendingEvents;
m_pendingEvents.clear();
return pendingEvents;
}
// Called by QInputASpect::jobsToExecute (aspectThread)
void InputHandler::clearPendingKeyEvents()
{
QMutexLocker lock(&m_mutex);
m_pendingEvents.clear();
}
void InputHandler::appendMouseEvent(const QMouseEvent &event)
{
QMutexLocker lock(&m_mutex);
m_pendingMouseEvents.append(event);
}
QList<QMouseEvent> InputHandler::pendingMouseEvents()
{
QMutexLocker lock(&m_mutex);
QList<QMouseEvent> pendingEvents = m_pendingMouseEvents;
m_pendingMouseEvents.clear();
return pendingEvents;
}
void InputHandler::clearPendingMouseEvents()
{
QMutexLocker lock(&m_mutex);
m_pendingMouseEvents.clear();
}
void InputHandler::appendKeyboardController(HKeyboardController controller)
{
m_activeKeyboardControllers.append(controller);
}
void InputHandler::removeKeyboardController(HKeyboardController controller)
{
m_activeKeyboardControllers.removeAll(controller);
}
void InputHandler::appendMouseController(HMouseController controller)
{
m_activeMouseControllers.append(controller);
}
void InputHandler::removeMouseController(HMouseController controller)
{
m_activeMouseControllers.removeAll(controller);
}
// Return a vector of jobs to be performed for keyboard events
// Handles all dependencies between jobs
QVector<Qt3DCore::QAspectJobPtr> InputHandler::keyboardJobs()
{
// One job for Keyboard focus change event per Keyboard Controller
QVector<QAspectJobPtr> jobs;
const QList<QKeyEvent> events = pendingKeyEvents();
Q_FOREACH (const HKeyboardController cHandle, m_activeKeyboardControllers) {
KeyboardController *controller = m_keyboardControllerManager->data(cHandle);
if (controller) {
QAspectJobPtr focusChangeJob;
if (controller->lastKeyboardInputRequester() != controller->currentFocusItem()) {
AssignKeyboardFocusJob *job = new AssignKeyboardFocusJob(controller->peerUuid());
job->setInputHandler(this);
focusChangeJob.reset(job);
jobs.append(focusChangeJob);
// One job for Keyboard events (depends on the focus change job if there was one)
}
// Event dispacthing job
if (!events.isEmpty()) {
KeyEventDispatcherJob *job = new KeyEventDispatcherJob(controller->currentFocusItem(), events);
job->setInputHandler(this);
if (focusChangeJob)
job->addDependency(focusChangeJob);
jobs.append(QAspectJobPtr(job));
}
}
}
return jobs;
}
QVector<Qt3DCore::QAspectJobPtr> InputHandler::mouseJobs()
{
QVector<QAspectJobPtr> jobs;
const QList<QMouseEvent> events = pendingMouseEvents();
Q_FOREACH (const HMouseController cHandle, m_activeMouseControllers) {
MouseController *controller = m_mouseControllerManager->data(cHandle);
// Event dispacthing job
if (!events.isEmpty()) {
Q_FOREACH (const QNodeId &input, controller->mouseInputs()) {
MouseEventDispatcherJob *job = new MouseEventDispatcherJob(input, events);
job->setInputHandler(this);
jobs.append(QAspectJobPtr(job));
}
}
}
return jobs;
}
} // namespace Input
} // namespace Qt3DInput
QT_END_NAMESPACE
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