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xcb: fix touchscreen input with certain capabilities only 

Touch screens without the "Abs MT Position X" but "Abs X" capability
weren't detected correctly so far. This patch fixes the detection and
enables these tochscreens.

Change-Id: I32fdb4d56c106717c90904a6632c2838bd55a255
Task-number: QTBUG-48279
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
bb10
Wolfgang Bremer 2015-09-15 01:52:06 +02:00 committed by Wolfgang Bremer
parent 2d6f9b6148
commit 462f355e4f
1 changed files with 2 additions and 0 deletions
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2
src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
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@ -419,8 +419,10 @@ XInput2TouchDeviceData *QXcbConnection::touchDeviceForId(int id)
hasRelativeCoords = true;
dev->size.setHeight((vci->max - vci->min) * 1000.0 / vci->resolution);
} else if (vci->label == atom(QXcbAtom::AbsX)) {
caps |= QTouchDevice::Position;
dev->size.setHeight((vci->max - vci->min) * 1000.0 / vci->resolution);
} else if (vci->label == atom(QXcbAtom::AbsY)) {
caps |= QTouchDevice::Position;
dev->size.setWidth((vci->max - vci->min) * 1000.0 / vci->resolution);
}
break;