5 files changed, 22 insertions, 2 deletions

diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index f5f144fe6b..8b91545c9b 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -837,7 +837,6 @@ Q_CORE_EXPORT void qFreeAligned(void *ptr);
 #    pragma warning(disable: 4097) /* typedef-name 'identifier1' used as synonym for class-name 'identifier2' */
 #    pragma warning(disable: 4706) /* assignment within conditional expression */
 #    pragma warning(disable: 4786) /* truncating debug info after 255 characters */
-#    pragma warning(disable: 4660) /* template-class specialization 'identifier' is already instantiated */
 #    pragma warning(disable: 4355) /* 'this' : used in base member initializer list */
 #    pragma warning(disable: 4231) /* nonstandard extension used : 'extern' before template explicit instantiation */
 #    pragma warning(disable: 4710) /* function not inlined */
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index 3027b77161..751ac9b182 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -496,6 +496,9 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt
         n = SO_RCVBUF;
         break;
     case QNativeSocketEngine::SendBufferSocketOption:
+        // see QTBUG-30478 SO_SNDBUF should not be used on Vista or later
+        if (QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA)
+            return false;
         n = SO_SNDBUF;
         break;
     case QNativeSocketEngine::BroadcastSocketOption:
diff --git a/src/platformsupport/input/evdevtouch/evdevtouch.pri b/src/platformsupport/input/evdevtouch/evdevtouch.pri
index 402c276d4d..ffbb05d61d 100644
--- a/src/platformsupport/input/evdevtouch/evdevtouch.pri
+++ b/src/platformsupport/input/evdevtouch/evdevtouch.pri
@@ -8,7 +8,7 @@ contains(QT_CONFIG, libudev) {
     LIBS_PRIVATE += $$QMAKE_LIBS_LIBUDEV
 }
 
-contains(CONFIG, mtdev) {
+contains(QT_CONFIG, mtdev) {
     CONFIG += link_pkgconfig
     PKGCONFIG_PRIVATE += mtdev
 }
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);
diff --git a/src/plugins/platforms/xcb/qxcbcursor.cpp b/src/plugins/platforms/xcb/qxcbcursor.cpp
index 11848d503b..15e5bf27f1 100644
--- a/src/plugins/platforms/xcb/qxcbcursor.cpp
+++ b/src/plugins/platforms/xcb/qxcbcursor.cpp
@@ -483,6 +483,8 @@ xcb_cursor_t QXcbCursor::createNonStandardCursor(int cshape)
             xcb_pixmap_t pmm = qt_xcb_XPixmapFromBitmap(m_screen, image.createAlphaMask());
             cursor = xcb_generate_id(conn);
             xcb_create_cursor(conn, cursor, pm, pmm, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, 8, 8);
+            xcb_free_pixmap(conn, pm);
+            xcb_free_pixmap(conn, pmm);
         }
     }