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Multitouch on hwcomposer

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REVIEW: 123796
This commit is contained in:
David Edmundson 2015-05-15 00:00:59 +01:00
parent cea4b7faeb
commit 5115d54926
1 changed files with 31 additions and 19 deletions
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46
backends/hwcomposer/hwcomposer_backend.cpp
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@ -60,10 +60,17 @@ HwcomposerBackend::~HwcomposerBackend()
}
}
static QPointF eventPosition(Event *event)
static uint eventTouchId(Event *event, uint index)
{
return QPointF(event->details.motion.pointer_coordinates[0].x,
event->details.motion.pointer_coordinates[0].y);
Q_ASSERT(index < event->details.motion.pointer_count);
return event->details.motion.pointer_coordinates[index].id;
}
static QPointF eventTouchPosition(Event *event, uint index)
{
Q_ASSERT(index < event->details.motion.pointer_count);
return QPointF(event->details.motion.pointer_coordinates[index].x,
event->details.motion.pointer_coordinates[index].y);
}
static qint32 translateKey(qint32 key)
@ -336,28 +343,33 @@ void HwcomposerBackend::inputEvent(Event *event, void *context)
case ISCL_MOTION_EVENT_ACTION_DOWN:
case ISCL_MOTION_EVENT_ACTION_POINTER_DOWN:
QMetaObject::invokeMethod(backend, "touchDown", Qt::QueuedConnection,
Q_ARG(qint32, buttonIndex),
Q_ARG(QPointF, eventPosition(event)),
Q_ARG(quint32, event->details.motion.event_time));
break;
case ISCL_MOTION_EVENT_ACTION_UP:
case ISCL_MOTION_EVENT_ACTION_POINTER_UP:
// first update position - up events can contain additional motion events
QMetaObject::invokeMethod(backend, "touchMotion", Qt::QueuedConnection,
Q_ARG(qint32, buttonIndex),
Q_ARG(QPointF, eventPosition(event)),
Q_ARG(qint32, eventTouchId(event, buttonIndex)),
Q_ARG(QPointF, eventTouchPosition(event, buttonIndex)),
Q_ARG(quint32, event->details.motion.event_time));
QMetaObject::invokeMethod(backend, "touchFrame", Qt::QueuedConnection);
break;
case ISCL_MOTION_EVENT_ACTION_UP:
case ISCL_MOTION_EVENT_ACTION_POINTER_UP: {
// first update position - up events can contain additional motion events
QMetaObject::invokeMethod(backend, "touchMotion", Qt::QueuedConnection,
Q_ARG(qint32, eventTouchId(event, buttonIndex)),
Q_ARG(QPointF, eventTouchPosition(event, buttonIndex)),
Q_ARG(quint32, event->details.motion.event_time));
QMetaObject::invokeMethod(backend, "touchFrame", Qt::QueuedConnection);
QMetaObject::invokeMethod(backend, "touchUp", Qt::QueuedConnection,
Q_ARG(qint32, buttonIndex),
Q_ARG(qint32, eventTouchId(event, buttonIndex)),
Q_ARG(quint32, event->details.motion.event_time));
break;
}
case ISCL_MOTION_EVENT_ACTION_MOVE:
// it's always for the first index, other touch points seem not to be provided
//move events affect all pointers
for (uint i = 0 ; i < event->details.motion.pointer_count ; i++) {
QMetaObject::invokeMethod(backend, "touchMotion", Qt::QueuedConnection,
Q_ARG(qint32, 0),
Q_ARG(QPointF, eventPosition(event)),
Q_ARG(qint32, eventTouchId(event, i)),
Q_ARG(QPointF, eventTouchPosition(event, i)),
Q_ARG(quint32, event->details.motion.event_time));
}
QMetaObject::invokeMethod(backend, "touchFrame", Qt::QueuedConnection);
break;
case ISCL_MOTION_EVENT_ACTION_CANCEL: