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/****************************************************************************
**
** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mousedevice_p.h"
#include <Qt3DInput/qmousedevice.h>
#include <Qt3DCore/qentity.h>
#include <Qt3DCore/qnode.h>
#include <Qt3DInput/private/inputmanagers_p.h>
#include <Qt3DInput/private/inputhandler_p.h>
#include <Qt3DInput/private/qmousedevice_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DInput {
namespace Input {
MouseDevice::MouseDevice()
: QAbstractPhysicalDeviceBackendNode(ReadOnly)
, m_inputHandler(nullptr)
, m_wasPressed(false)
, m_sensitivity(0.1f)
, m_updateAxesContinuously(false)
{
}
MouseDevice::~MouseDevice()
{
}
void MouseDevice::setInputHandler(InputHandler *handler)
{
m_inputHandler = handler;
}
InputHandler *MouseDevice::inputHandler() const
{
return m_inputHandler;
}
float MouseDevice::axisValue(int axisIdentifier) const
{
switch (axisIdentifier) {
case QMouseDevice::X:
return m_mouseState.xAxis;
case QMouseDevice::Y:
return m_mouseState.yAxis;
case QMouseDevice::WheelX:
return m_mouseState.wXAxis;
case QMouseDevice::WheelY:
return m_mouseState.wYAxis;
default:
break;
}
return 0.0f;
}
bool MouseDevice::isButtonPressed(int buttonIdentifier) const
{
switch (buttonIdentifier) {
case QMouseEvent::LeftButton:
return m_mouseState.leftPressed;
case QMouseEvent::MiddleButton:
return m_mouseState.centerPressed;
case QMouseEvent::RightButton:
return m_mouseState.rightPressed;
default:
break;
}
return false;
}
MouseDevice::MouseState MouseDevice::mouseState() const
{
return m_mouseState;
}
QPointF MouseDevice::previousPos() const
{
return m_previousPos;
}
bool MouseDevice::wasPressed() const
{
return m_wasPressed;
}
float MouseDevice::sensitivity() const
{
return m_sensitivity;
}
bool MouseDevice::updateAxesContinuously() const
{
return m_updateAxesContinuously;
}
#if QT_CONFIG(wheelevent)
void MouseDevice::updateWheelEvents(const QList<QT_PREPEND_NAMESPACE (QWheelEvent)> &events)
{
// Reset axis values before we accumulate new values for this frame
m_mouseState.wXAxis = 0.0f;
m_mouseState.wYAxis = 0.0f;
if (!events.isEmpty()) {
for (const QT_PREPEND_NAMESPACE(QWheelEvent) &e : events) {
m_mouseState.wXAxis += m_sensitivity * e.angleDelta().x();
m_mouseState.wYAxis += m_sensitivity * e.angleDelta().y();
}
}
}
#endif
// Main Thread
void MouseDevice::updateMouseEvents(const QList<QT_PREPEND_NAMESPACE(QMouseEvent)> &events)
{
// Reset axis values before we accumulate new values for this frame
m_mouseState.xAxis = 0.0f;
m_mouseState.yAxis = 0.0f;
if (!events.isEmpty()) {
for (const QT_PREPEND_NAMESPACE(QMouseEvent) &e : events) {
m_mouseState.leftPressed = e.buttons() & (Qt::LeftButton);
m_mouseState.centerPressed = e.buttons() & (Qt::MiddleButton);
m_mouseState.rightPressed = e.buttons() & (Qt::RightButton);
const bool pressed = m_mouseState.leftPressed || m_mouseState.centerPressed || m_mouseState.rightPressed;
if (m_updateAxesContinuously || (m_wasPressed && pressed)) {
m_mouseState.xAxis += m_sensitivity * (e.screenPos().x() - m_previousPos.x());
m_mouseState.yAxis += m_sensitivity * (m_previousPos.y() - e.screenPos().y());
}
m_wasPressed = pressed;
m_previousPos = e.screenPos();
}
}
}
void MouseDevice::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)
{
QAbstractPhysicalDeviceBackendNode::syncFromFrontEnd(frontEnd, firstTime);
const Qt3DInput::QMouseDevice *node = qobject_cast<const Qt3DInput::QMouseDevice *>(frontEnd);
if (!node)
return;
m_sensitivity = node->sensitivity();
m_updateAxesContinuously = node->updateAxesContinuously();
}
MouseDeviceFunctor::MouseDeviceFunctor(QInputAspect *inputAspect, InputHandler *handler)
: m_inputAspect(inputAspect)
, m_handler(handler)
{
}
Qt3DCore::QBackendNode *MouseDeviceFunctor::create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const
{
MouseDevice *controller = m_handler->mouseDeviceManager()->getOrCreateResource(change->subjectId());
controller->setInputAspect(m_inputAspect);
controller->setInputHandler(m_handler);
m_handler->appendMouseDevice(m_handler->mouseDeviceManager()->lookupHandle(change->subjectId()));
return controller;
}
Qt3DCore::QBackendNode *MouseDeviceFunctor::get(Qt3DCore::QNodeId id) const
{
return m_handler->mouseDeviceManager()->lookupResource(id);
}
void MouseDeviceFunctor::destroy(Qt3DCore::QNodeId id) const
{
m_handler->removeMouseDevice(m_handler->mouseDeviceManager()->lookupHandle(id));
m_handler->mouseDeviceManager()->releaseResource(id);
}
} // namespace Input
} // namespace Qt3DInput
QT_END_NAMESPACE
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