diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h index a994c51c7d..13a0280baf 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.h +++ b/src/plugins/platforms/xcb/qxcbconnection.h @@ -454,6 +454,10 @@ public: QXcbSystemTrayTracker *systemTrayTracker(); +#ifdef XCB_USE_XINPUT2 + void handleEnterEvent(const xcb_enter_notify_event_t *); +#endif + private slots: void processXcbEvents(); diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp index d80b49ccbb..d7b3c75aee 100644 --- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp @@ -524,6 +524,35 @@ void QXcbConnection::xi2HandleEvent(xcb_ge_event_t *event) } } +void QXcbConnection::handleEnterEvent(const xcb_enter_notify_event_t *) +{ +#ifdef XCB_USE_XINPUT21 + QHash::iterator it = m_scrollingDevices.begin(); + const QHash::iterator end = m_scrollingDevices.end(); + while (it != end) { + ScrollingDevice& scrollingDevice = it.value(); + int nrDevices = 0; + XIDeviceInfo* xiDeviceInfo = XIQueryDevice(static_cast(m_xlib_display), scrollingDevice.deviceId, &nrDevices); + if (nrDevices <= 0) { + it = m_scrollingDevices.erase(it); + continue; + } + for (int c = 0; c < xiDeviceInfo->num_classes; ++c) { + if (xiDeviceInfo->classes[c]->type == XIValuatorClass) { + XIValuatorClassInfo *vci = reinterpret_cast(xiDeviceInfo->classes[c]); + const int valuatorAtom = qatom(vci->label); + if (valuatorAtom == QXcbAtom::RelHorizScroll || valuatorAtom == QXcbAtom::RelHorizWheel) + scrollingDevice.lastScrollPosition.setX(vci->value); + else if (valuatorAtom == QXcbAtom::RelVertScroll || valuatorAtom == QXcbAtom::RelVertWheel) + scrollingDevice.lastScrollPosition.setY(vci->value); + } + } + XIFreeDeviceInfo(xiDeviceInfo); + ++it; + } +#endif +} + void QXcbConnection::xi2HandleScrollEvent(void *event, ScrollingDevice &scrollingDevice) { #ifdef XCB_USE_XINPUT21 diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 5a2002f1d4..ad7e99bd49 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -1778,6 +1778,9 @@ public: void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event) { connection()->setTime(event->time); +#ifdef XCB_USE_XINPUT2 + connection()->handleEnterEvent(event); +#endif if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB) || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL