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xcb: fix touchscreen input with certain capabilities only

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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>
This commit is contained in:
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; hasRelativeCoords = true;
dev->size.setHeight((vci->max - vci->min) * 1000.0 / vci->resolution); dev->size.setHeight((vci->max - vci->min) * 1000.0 / vci->resolution);
} else if (vci->label == atom(QXcbAtom::AbsX)) { } else if (vci->label == atom(QXcbAtom::AbsX)) {
caps |= QTouchDevice::Position;
dev->size.setHeight((vci->max - vci->min) * 1000.0 / vci->resolution); dev->size.setHeight((vci->max - vci->min) * 1000.0 / vci->resolution);
} else if (vci->label == atom(QXcbAtom::AbsY)) { } else if (vci->label == atom(QXcbAtom::AbsY)) {
caps |= QTouchDevice::Position;
dev->size.setWidth((vci->max - vci->min) * 1000.0 / vci->resolution); dev->size.setWidth((vci->max - vci->min) * 1000.0 / vci->resolution);
} }
break; break;