diff options
Diffstat (limited to 'src/platformsupport/input/libinput/qlibinputtouch.cpp')
| -rw-r--r-- | src/platformsupport/input/libinput/qlibinputtouch.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/platformsupport/input/libinput/qlibinputtouch.cpp b/src/platformsupport/input/libinput/qlibinputtouch.cpp index 7e69f9e370..e3a483dc84 100644 --- a/src/platformsupport/input/libinput/qlibinputtouch.cpp +++ b/src/platformsupport/input/libinput/qlibinputtouch.cpp @@ -61,6 +61,33 @@ QPointF QLibInputTouch::getPos(libinput_event_touch *e) return geom.topLeft() + QPointF(x, y); } +static void setMatrix(libinput_device *dev) +{ + if (libinput_device_config_calibration_has_matrix(dev)) { + QByteArray env = qgetenv("QT_QPA_LIBINPUT_TOUCH_MATRIX"); + env = env.simplified(); + if (env.size()) { + float matrix[6]; + QList<QByteArray> list = env.split(' '); + if (list.length() != 6) { + qCWarning(qLcLibInput, "matrix length %lld wrong, should be 6", list.length()); + return; + } + for (int i = 0; i < 6; i++) { + bool ok = true; + matrix[i] = list[i].toFloat(&ok); + if (!ok) { + qCWarning(qLcLibInput, "Invalid matrix entry %d %s ", i, list[i].constData()); + return; + } + } + if (libinput_device_config_calibration_set_matrix(dev, matrix) != LIBINPUT_CONFIG_STATUS_SUCCESS) + qCWarning(qLcLibInput, "Failed to set libinput calibration matrix "); + } + } else { + qCWarning(qLcLibInput, "Touch device doesn't support matrix"); + } +} void QLibInputTouch::registerDevice(libinput_device *dev) { struct udev_device *udev_device; @@ -92,6 +119,7 @@ void QLibInputTouch::registerDevice(libinput_device *dev) if (!geom.isNull()) devPriv->setAvailableVirtualGeometry(geom); QWindowSystemInterface::registerInputDevice(td); + setMatrix(dev); } void QLibInputTouch::unregisterDevice(libinput_device *dev) |