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#include "qdirectfbinput.h"
#include "qdirectfbconvenience.h"
#include <QThread>
#include <QDebug>
#include <QWindowSystemInterface>
#include <QMouseEvent>
#include <QEvent>
#include <QApplication>
#include <directfb.h>
QDirectFbInput::QDirectFbInput(QObject *parent)
: QObject(parent), m_shouldStop(false)
{
m_dfbInterface = QDirectFbConvenience::dfbInterface();
DFBResult ok = m_dfbInterface->CreateEventBuffer(m_dfbInterface,&m_eventBuffer);
if (ok != DFB_OK)
DirectFBError("Failed to initialise eventbuffer", ok);
m_dfbInterface->GetDisplayLayer(m_dfbInterface,DLID_PRIMARY, &m_dfbDisplayLayer);
}
void QDirectFbInput::runInputEventLoop()
{
while (true) {
m_eventBuffer->WaitForEvent(m_eventBuffer);
if (m_shouldStop) {
m_waitStop.release();
break;
}
handleEvents();
}
}
void QDirectFbInput::stopInputEventLoop()
{
m_shouldStop = true;
m_waitStop.acquire();
}
void QDirectFbInput::addWindow(DFBWindowID id, QWidget *tlw)
{
m_tlwMap.insert(id,tlw);
IDirectFBWindow *window;
m_dfbDisplayLayer->GetWindow(m_dfbDisplayLayer,id,&window);
window->AttachEventBuffer(window,m_eventBuffer);
}
void QDirectFbInput::removeWindow(WId wId)
{
IDirectFBWindow *window;
m_dfbDisplayLayer->GetWindow(m_dfbDisplayLayer,wId, &window);
window->DetachEventBuffer(window,m_eventBuffer);
m_tlwMap.remove(wId);
}
void QDirectFbInput::handleEvents()
{
DFBResult hasEvent = m_eventBuffer->HasEvent(m_eventBuffer);
while(hasEvent == DFB_OK){
DFBEvent event;
DFBResult ok = m_eventBuffer->GetEvent(m_eventBuffer,&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);
}
}
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);
IDirectFBDisplayLayer *layer = QDirectFbConvenience::dfbDisplayLayer();
IDirectFBWindow *window;
layer->GetWindow(layer,event.window.window_id,&window);
long timestamp = (event.window.timestamp.tv_sec*1000) + (event.window.timestamp.tv_usec/1000);
if (event.window.type == DWET_BUTTONDOWN) {
window->GrabPointer(window);
} else if (event.window.type == DWET_BUTTONUP) {
window->UngrabPointer(window);
}
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
{
IDirectFBWindow *window;
m_dfbDisplayLayer->GetWindow(m_dfbDisplayLayer,event.window.window_id,&window);
int x,y;
window->GetPosition(window,&x,&y);
return QPoint(event.window.cx +x, event.window.cy + y);
}
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