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QNX: Add some more properties to a touch point 

Change-Id: Ic1c889557148f112e357c3ee34199ff6d19b4a6e
Reviewed-by: Bernd Weimer <bweimer@blackberry.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
bb10
Fabian Bumberger 2013-10-30 15:27:06 +01:00 committed by The Qt Project
parent dcbb16a452
commit 592d79fc83
1 changed files with 24 additions and 2 deletions
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26
src/plugins/platforms/qnx/qqnxscreeneventhandler.cpp
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@ -428,6 +428,19 @@ void QQnxScreenEventHandler::handleTouchEvent(screen_event_t event, int qnxType)
if (result)
qFatal("QQNX: failed to query event window, errno=%d", errno);
errno = 0;
int touchArea[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_SIZE, touchArea);
if (result)
qFatal("QQNX: failed to query event touch area, errno=%d", errno);
errno = 0;
int touchPressure;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_TOUCH_PRESSURE, &touchPressure);
if (result)
qFatal("QQNX: failed to query event touch pressure, errno=%d", errno);
screen_window_t qnxWindow = static_cast<screen_window_t>(handle);
// check if finger is valid
@ -462,14 +475,23 @@ void QQnxScreenEventHandler::handleTouchEvent(screen_event_t event, int qnxType)
QPointF(static_cast<qreal>(pos[0]) / screenSize.width(),
static_cast<qreal>(pos[1]) / screenSize.height());
m_touchPoints[touchId].area = QRectF(w->geometry().left() + windowPos[0],
w->geometry().top() + windowPos[1], 0.0, 0.0);
m_touchPoints[touchId].area = QRectF(w->geometry().left() + windowPos[0] - (touchArea[0]>>1),
w->geometry().top() + windowPos[1] - (touchArea[1]>>1),
0.0, 0.0);
QWindow *parent = w->parent();
while (parent) {
m_touchPoints[touchId].area.translate(parent->geometry().topLeft());
parent = parent->parent();
}
//Qt expects the pressure between 0 and 1. There is however no definit upper limit for
//the integer value of touch event pressure. The 200 was determined by experiment, it
//usually does not get higher than that.
m_touchPoints[touchId].pressure = static_cast<qreal>(touchPressure)/200.0;
// Can happen, because there is no upper limit for pressure
if (m_touchPoints[touchId].pressure > 1)
m_touchPoints[touchId].pressure = 1;
// determine event type and update state of current touch point
QEvent::Type type = QEvent::None;
switch (qnxType) {