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| author | Hyunkook Khang <hyunkook.khang@qt.io> | 2020-04-29 11:13:55 +0900 |
|---|---|---|
| committer | Hyunkook Khang <hyunkook.khang@qt.io> | 2021-04-14 23:46:14 +0900 |
| commit | 5eddb747e8bb5f452e247ea388ef1f6fa37783e7 (patch) | |
| tree | 37484b0cb882d0d04060b11c7865db646a2ad8e5 | |
| parent | 34b066db62d807655f2f39d5eb173a771cbe5b10 (diff) | |
| download | qtwayland-5eddb747e8bb5f452e247ea388ef1f6fa37783e7.tar.gz | |
Fix touch being ignored when down and up are in the same frame
The Wayland protocol gives no guarantees about which events are part of
a frame, so handle the case where we receive wl_touch.down and
wl_touch.up within the same frame.
Fixes: QTBUG-89680
Change-Id: Ie0b9d2fb950fb0d9a6af8dd8ad2fa55a5efa71e6
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
(cherry picked from commit da31aa6544f38c063de93326f958e8cbb02004af)
Reviewed-by: Hyunkook Khang <hyunkook.khang@qt.io>
| -rw-r--r-- | src/client/qwaylandinputdevice.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/client/qwaylandinputdevice.cpp b/src/client/qwaylandinputdevice.cpp index 3a61ced4..9490a66d 100644 --- a/src/client/qwaylandinputdevice.cpp +++ b/src/client/qwaylandinputdevice.cpp @@ -1407,6 +1407,14 @@ void QWaylandInputDevice::handleTouchPoint(int id, Qt::TouchPointState state, co it = mTouch->mPendingTouchPoints.insert(end, QWindowSystemInterface::TouchPoint()); it->id = id; } + // If the touch points were up and down in same frame, send out frame right away + else if ((it->state == Qt::TouchPointPressed && state == Qt::TouchPointReleased) + || (it->state == Qt::TouchPointReleased && state == Qt::TouchPointPressed)) { + mTouch->touch_frame(); + it = mTouch->mPendingTouchPoints.insert(mTouch->mPendingTouchPoints.end(), QWindowSystemInterface::TouchPoint()); + it->id = id; + } + QWindowSystemInterface::TouchPoint &tp = *it; // Only moved and pressed needs to update/set position |