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Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection_xi2.cpp')
-rw-r--r--src/plugins/platforms/xcb/qxcbconnection_xi2.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
index 198e323873..9b6d234375 100644
--- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
@@ -432,6 +432,22 @@ void QXcbConnection::xi2HandleEvent(xcb_ge_event_t *event)
qDebug() << " touchpoint " << touchPoint.id << " state " << touchPoint.state << " pos norm " << touchPoint.normalPosition <<
" area " << touchPoint.area << " pressure " << touchPoint.pressure;
QWindowSystemInterface::handleTouchEvent(platformWindow->window(), xiEvent->time, dev->qtTouchDevice, m_touchPoints.values());
+ if (has_touch_without_mouse_emulation) {
+ // We need to grab the touch event to prevent mouse emulation.
+ if (xiEvent->evtype == XI_TouchBegin) {
+ XIEventMask xieventmask;
+ unsigned int bitMask = 0;
+ unsigned char *xiBitMask = reinterpret_cast<unsigned char *>(&bitMask);
+ xieventmask.deviceid = xiEvent->deviceid;
+ xieventmask.mask = xiBitMask;
+ xieventmask.mask_len = sizeof(bitMask);
+ bitMask |= XI_TouchBeginMask;
+ bitMask |= XI_TouchUpdateMask;
+ bitMask |= XI_TouchEndMask;
+ XIGrabDevice(static_cast<Display *>(m_xlib_display), xiEvent->deviceid, platformWindow->winId(), xiEvent->time, None, GrabModeAsync, GrabModeAsync, true, &xieventmask);
+ } else if (xiEvent->evtype == XI_TouchEnd)
+ XIUngrabDevice(static_cast<Display *>(m_xlib_display), xiEvent->deviceid, xiEvent->time);
+ }
if (touchPoint.state == Qt::TouchPointReleased)
// If a touchpoint was released, we can forget it, because the ID won't be reused.
m_touchPoints.remove(touchPoint.id);