diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection_xi2.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection_xi2.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp index 8b6d2fa3d3..e2bf6e8eb4 100644 --- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp @@ -873,6 +873,8 @@ void QXcbConnection::xi2HandleScrollEvent(void *event, ScrollingDevice &scrollin // We do not set "pixel" delta if it is only measured in ticks. if (scrollingDevice.verticalIncrement > 1) rawDelta.setY(delta); + else if (scrollingDevice.verticalIncrement < -1) + rawDelta.setY(-delta); } } if (scrollingDevice.orientations & Qt::Horizontal) { @@ -883,6 +885,8 @@ void QXcbConnection::xi2HandleScrollEvent(void *event, ScrollingDevice &scrollin // We do not set "pixel" delta if it is only measured in ticks. if (scrollingDevice.horizontalIncrement > 1) rawDelta.setX(delta); + else if (scrollingDevice.horizontalIncrement < -1) + rawDelta.setX(-delta); } } if (!angleDelta.isNull()) { |