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Add qt.qpa.input.events logging to evdevtouch

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The xcb platform plugin uses this category for detailed input event
logging, so we might as well be consistent in evdevtouch.  When hardware
supports pressure sensing, it's likely to need extra debugging.

Task-number: QTBUG-77142
Change-Id: I7682bb5d49e669054523f9cf556715e511bcd572
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
This commit is contained in:
Shawn Rutledge 2019-10-03 08:58:06 +02:00
parent d6734e8ab7
commit 18aa8390ce
1 changed files with 7 additions and 0 deletions
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7
src/platformsupport/input/evdevtouch/qevdevtouchhandler.cpp
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@ -69,6 +69,7 @@ extern "C" {
QT_BEGIN_NAMESPACE
Q_LOGGING_CATEGORY(qLcEvdevTouch, "qt.qpa.input")
Q_LOGGING_CATEGORY(qLcEvents, "qt.qpa.input.events")
/* android (and perhaps some other linux-derived stuff) don't define everything
* in linux/input.h, so we'll need to do that ourselves.
@ -539,6 +540,9 @@ void QEvdevTouchScreenData::processInputEvent(input_event *data)
if (m_typeB)
m_contacts[m_currentSlot].maj = m_currentData.maj;
} else if (data->code == ABS_PRESSURE || data->code == ABS_MT_PRESSURE) {
if (Q_UNLIKELY(qLcEvents().isDebugEnabled()))
qCDebug(qLcEvents, "EV_ABS code 0x%x: pressure %d; bounding to [%d,%d]",
data->code, data->value, hw_pressure_min, hw_pressure_max);
m_currentData.pressure = qBound(hw_pressure_min, data->value, hw_pressure_max);
if (m_typeB || m_singleTouch)
m_contacts[m_currentSlot].pressure = m_currentData.pressure;
@ -781,6 +785,9 @@ void QEvdevTouchScreenData::reportPoints()
tp.pressure = tp.state == Qt::TouchPointReleased ? 0 : 1;
else
tp.pressure = (tp.pressure - hw_pressure_min) / qreal(hw_pressure_max - hw_pressure_min);
if (Q_UNLIKELY(qLcEvents().isDebugEnabled()))
qCDebug(qLcEvents) << "reporting" << tp;
}
// Let qguiapp pick the target window.