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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdirectfbinput.h"
#include "qdirectfbconvenience.h"
#include <QThread>
#include <QDebug>
#include <QWindowSystemInterface>
#include <QMouseEvent>
#include <QEvent>
#include <directfb.h>
QT_BEGIN_NAMESPACE
QDirectFbInput::QDirectFbInput(IDirectFB *dfb, IDirectFBDisplayLayer *dfbLayer)
: m_dfbInterface(dfb)
, m_dfbDisplayLayer(dfbLayer)
, m_shouldStop(false)
{
DFBResult ok = m_dfbInterface->CreateEventBuffer(m_dfbInterface, m_eventBuffer.outPtr());
if (ok != DFB_OK)
DirectFBError("Failed to initialise eventbuffer", ok);
}
void QDirectFbInput::run()
{
while (!m_shouldStop) {
if (m_eventBuffer->WaitForEvent(m_eventBuffer.data()) == DFB_OK)
handleEvents();
}
}
void QDirectFbInput::stopInputEventLoop()
{
m_shouldStop = true;
m_eventBuffer->WakeUp(m_eventBuffer.data());
}
void QDirectFbInput::addWindow(IDirectFBWindow *window, QWidget *platformWindow)
{
DFBResult res;
DFBWindowID id;
res = window->GetID(window, &id);
if (res != DFB_OK) {
DirectFBError("QDirectFbInput::addWindow", res);
return;
}
m_tlwMap.insert(id, platformWindow);
window->AttachEventBuffer(window, m_eventBuffer.data());
}
void QDirectFbInput::removeWindow(IDirectFBWindow *window)
{
DFBResult res;
DFBWindowID id;
res = window->GetID(window, &id);
if (res != DFB_OK) {
DirectFBError("QDirectFbInput::removeWindow", res);
return;
}
window->DetachEventBuffer(window, m_eventBuffer.data());
m_tlwMap.remove(id);
}
void QDirectFbInput::handleEvents()
{
DFBResult hasEvent = m_eventBuffer->HasEvent(m_eventBuffer.data());
while(hasEvent == DFB_OK){
DFBEvent event;
DFBResult ok = m_eventBuffer->GetEvent(m_eventBuffer.data(), &event);
if (ok != DFB_OK)
DirectFBError("Failed to get event",ok);
if (event.clazz == DFEC_WINDOW) {
switch (event.window.type) {
case DWET_BUTTONDOWN:
case DWET_BUTTONUP:
case DWET_MOTION:
handleMouseEvents(event);
break;
case DWET_WHEEL:
handleWheelEvent(event);
break;
case DWET_KEYDOWN:
case DWET_KEYUP:
handleKeyEvents(event);
break;
case DWET_ENTER:
case DWET_LEAVE:
handleEnterLeaveEvents(event);
default:
break;
}
}
hasEvent = m_eventBuffer->HasEvent(m_eventBuffer.data());
}
}
void QDirectFbInput::handleMouseEvents(const DFBEvent &event)
{
QPoint p(event.window.x, event.window.y);
QPoint globalPos = globalPoint(event);
Qt::MouseButtons buttons = QDirectFbConvenience::mouseButtons(event.window.buttons);
QDirectFBPointer<IDirectFBDisplayLayer> layer(QDirectFbConvenience::dfbDisplayLayer());
QDirectFBPointer<IDirectFBWindow> window;
layer->GetWindow(layer.data(), event.window.window_id, window.outPtr());
long timestamp = (event.window.timestamp.tv_sec*1000) + (event.window.timestamp.tv_usec/1000);
QWidget *tlw = m_tlwMap.value(event.window.window_id);
QWindowSystemInterface::handleMouseEvent(tlw, timestamp, p, globalPos, buttons);
}
void QDirectFbInput::handleWheelEvent(const DFBEvent &event)
{
QPoint p(event.window.cx, event.window.cy);
QPoint globalPos = globalPoint(event);
long timestamp = (event.window.timestamp.tv_sec*1000) + (event.window.timestamp.tv_usec/1000);
QWidget *tlw = m_tlwMap.value(event.window.window_id);
QWindowSystemInterface::handleWheelEvent(tlw, timestamp, p, globalPos,
event.window.step*120,
Qt::Vertical);
}
void QDirectFbInput::handleKeyEvents(const DFBEvent &event)
{
QEvent::Type type = QDirectFbConvenience::eventType(event.window.type);
Qt::Key key = QDirectFbConvenience::keyMap()->value(event.window.key_symbol);
Qt::KeyboardModifiers modifiers = QDirectFbConvenience::keyboardModifiers(event.window.modifiers);
long timestamp = (event.window.timestamp.tv_sec*1000) + (event.window.timestamp.tv_usec/1000);
QChar character;
if (DFB_KEY_TYPE(event.window.key_symbol) == DIKT_UNICODE)
character = QChar(event.window.key_symbol);
QWidget *tlw = m_tlwMap.value(event.window.window_id);
QWindowSystemInterface::handleKeyEvent(tlw, timestamp, type, key, modifiers, character);
}
void QDirectFbInput::handleEnterLeaveEvents(const DFBEvent &event)
{
QWidget *tlw = m_tlwMap.value(event.window.window_id);
switch (event.window.type) {
case DWET_ENTER:
QWindowSystemInterface::handleEnterEvent(tlw);
break;
case DWET_LEAVE:
QWindowSystemInterface::handleLeaveEvent(tlw);
break;
default:
break;
}
}
inline QPoint QDirectFbInput::globalPoint(const DFBEvent &event) const
{
QDirectFBPointer<IDirectFBWindow> window;
m_dfbDisplayLayer->GetWindow(m_dfbDisplayLayer, event.window.window_id, window.outPtr());
int x,y;
window->GetPosition(window.data(), &x, &y);
return QPoint(event.window.cx +x, event.window.cy + y);
}
QT_END_NAMESPACE
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