Merge remote-tracking branch 'origin/5.14' into 5.15

Change-Id: I46ec05ade1c84e61f7f45562a218aa9ff55e2975

7 files changed, 53 insertions, 18 deletions

diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index 616cca1422..d41e3e5e3c 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -931,6 +931,30 @@ QWheelEvent::~QWheelEvent()
     \endlist
 */
 
+/*!
+    \fn QPoint QWheelEvent::position() const
+
+    Returns the position of the mouse cursor relative to the widget
+    that received the event.
+
+    If you move your widgets around in response to mouse events,
+    use globalPosition() instead of this function.
+
+    \sa globalPosition()
+*/
+
+/*!
+    \fn QPoint QWheelEvent::globalPosition() const
+
+    Returns the global position of the mouse pointer \e{at the time
+    of the event}. This is important on asynchronous window systems
+    such as X11; whenever you move your widgets around in response to
+    mouse events, globalPosition() can differ a lot from the current
+    cursor position returned by QCursor::pos().
+
+    \sa position()
+*/
+
 #if QT_DEPRECATED_SINCE(5, 15)
 /*!
     \fn int QWheelEvent::delta() const
diff --git a/src/gui/kernel/qevent.h b/src/gui/kernel/qevent.h
index b73d90529a..bf00d4a9a3 100644
--- a/src/gui/kernel/qevent.h
+++ b/src/gui/kernel/qevent.h
@@ -959,6 +959,7 @@ public:
         friend class QGuiApplicationPrivate;
         friend class QApplication;
         friend class QApplicationPrivate;
+        friend class QQuickPointerTouchEvent;
     };
 
 #if QT_DEPRECATED_SINCE(5, 0)
diff --git a/src/gui/kernel/qevent_p.h b/src/gui/kernel/qevent_p.h
index c2d8bd72b9..b7645496f8 100644
--- a/src/gui/kernel/qevent_p.h
+++ b/src/gui/kernel/qevent_p.h
@@ -67,7 +67,8 @@ public:
           state(Qt::TouchPointReleased),
           pressure(-1),
           rotation(0),
-          ellipseDiameters(0, 0)
+          ellipseDiameters(0, 0),
+          stationaryWithModifiedProperty(false)
     { }
 
     inline QTouchEventTouchPointPrivate *detach()
@@ -91,6 +92,7 @@ public:
     QSizeF ellipseDiameters;
     QVector2D velocity;
     QTouchEvent::TouchPoint::InfoFlags flags;
+    bool stationaryWithModifiedProperty : 1;
     QVector<QPointF> rawScreenPositions;
 };
 
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index c21bc90d39..c5d8cf9bf9 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -2845,10 +2845,12 @@ void QGuiApplicationPrivate::processTouchEvent(QWindowSystemInterfacePrivate::To
             if (touchPoint.state() == Qt::TouchPointStationary) {
                 if (touchInfo.touchPoint.velocity() != touchPoint.velocity()) {
                     touchInfo.touchPoint.setVelocity(touchPoint.velocity());
+                    touchPoint.d->stationaryWithModifiedProperty = true;
                     stationaryTouchPointChangedProperty = true;
                 }
                 if (!qFuzzyCompare(touchInfo.touchPoint.pressure(), touchPoint.pressure())) {
                     touchInfo.touchPoint.setPressure(touchPoint.pressure());
+                    touchPoint.d->stationaryWithModifiedProperty = true;
                     stationaryTouchPointChangedProperty = true;
                 }
             } else {
diff --git a/src/gui/rhi/qshaderdescription.cpp b/src/gui/rhi/qshaderdescription.cpp
index c38a83c497..179d5f3a07 100644
--- a/src/gui/rhi/qshaderdescription.cpp
+++ b/src/gui/rhi/qshaderdescription.cpp
@@ -1022,7 +1022,7 @@ void QShaderDescriptionPrivate::loadDoc(const QJsonDocument &doc)
         return;
     }
 
-    Q_ASSERT(ref.load() == 1); // must be detached
+    Q_ASSERT(ref.loadRelaxed() == 1); // must be detached
 
     inVars.clear();
     outVars.clear();
diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp
index 3652a180a8..22c249d604 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -1970,9 +1970,12 @@ void QTextDocument::print(QPagedPaintDevice *printer) const
     QRectF body = QRectF(QPointF(0, 0), d->pageSize);
     QPointF pageNumberPos;
 
+    qreal sourceDpiX = qt_defaultDpiX();
+    qreal sourceDpiY = qt_defaultDpiY();
+    const qreal dpiScaleX = qreal(printer->logicalDpiX()) / sourceDpiX;
+    const qreal dpiScaleY = qreal(printer->logicalDpiY()) / sourceDpiY;
+
     if (documentPaginated) {
-        qreal sourceDpiX = qt_defaultDpi();
-        qreal sourceDpiY = sourceDpiX;
 
         QPaintDevice *dev = doc->documentLayout()->paintDevice();
         if (dev) {
@@ -1980,9 +1983,6 @@ void QTextDocument::print(QPagedPaintDevice *printer) const
             sourceDpiY = dev->logicalDpiY();
         }
 
-        const qreal dpiScaleX = qreal(printer->logicalDpiX()) / sourceDpiX;
-        const qreal dpiScaleY = qreal(printer->logicalDpiY()) / sourceDpiY;
-
         // scale to dpi
         p.scale(dpiScaleX, dpiScaleY);
 
@@ -2011,15 +2011,21 @@ void QTextDocument::print(QPagedPaintDevice *printer) const
         // copy the custom object handlers
         layout->d_func()->handlers = documentLayout()->d_func()->handlers;
 
-        int dpiy = p.device()->logicalDpiY();
-        int margin = (int) ((2/2.54)*dpiy); // 2 cm margins
+        // 2 cm margins, scaled to device in QTextDocumentLayoutPrivate::layoutFrame
+        const int horizontalMargin = int((2/2.54)*sourceDpiX);
+        const int verticalMargin = int((2/2.54)*sourceDpiY);
         QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
-        fmt.setMargin(margin);
+        fmt.setLeftMargin(horizontalMargin);
+        fmt.setRightMargin(horizontalMargin);
+        fmt.setTopMargin(verticalMargin);
+        fmt.setBottomMargin(verticalMargin);
         doc->rootFrame()->setFrameFormat(fmt);
 
+        // pageNumberPos must be in device coordinates, so scale to device here
+        const int dpiy = p.device()->logicalDpiY();
         body = QRectF(0, 0, printer->width(), printer->height());
-        pageNumberPos = QPointF(body.width() - margin,
-                                body.height() - margin
+        pageNumberPos = QPointF(body.width() - horizontalMargin * dpiScaleX,
+                                body.height() - verticalMargin * dpiScaleY
                                 + QFontMetrics(doc->defaultFont(), p.device()).ascent()
                                 + 5 * dpiy / 72.0);
         clonedDoc->setPageSize(body.size());
diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp
index b02723c047..a9a177da8b 100644
--- a/src/gui/text/qtextdocumentlayout.cpp
+++ b/src/gui/text/qtextdocumentlayout.cpp
@@ -2915,24 +2915,24 @@ QRectF QTextDocumentLayoutPrivate::layoutFrame(QTextFrame *f, int layoutFrom, in
     {
         QTextFrameFormat fformat = f->frameFormat();
         // set sizes of this frame from the format
-        QFixed tm = QFixed::fromReal(fformat.topMargin());
+        QFixed tm = QFixed::fromReal(scaleToDevice(fformat.topMargin())).round();
         if (tm != fd->topMargin) {
             fd->topMargin = tm;
             fullLayout = true;
         }
-        QFixed bm = QFixed::fromReal(fformat.bottomMargin());
+        QFixed bm = QFixed::fromReal(scaleToDevice(fformat.bottomMargin())).round();
         if (bm != fd->bottomMargin) {
             fd->bottomMargin = bm;
             fullLayout = true;
         }
-        fd->leftMargin = QFixed::fromReal(fformat.leftMargin());
-        fd->rightMargin = QFixed::fromReal(fformat.rightMargin());
-        QFixed b = QFixed::fromReal(fformat.border());
+        fd->leftMargin = QFixed::fromReal(scaleToDevice(fformat.leftMargin())).round();
+        fd->rightMargin = QFixed::fromReal(scaleToDevice(fformat.rightMargin())).round();
+        QFixed b = QFixed::fromReal(scaleToDevice(fformat.border())).round();
         if (b != fd->border) {
             fd->border = b;
             fullLayout = true;
         }
-        QFixed p = QFixed::fromReal(fformat.padding());
+        QFixed p = QFixed::fromReal(scaleToDevice(fformat.padding())).round();
         if (p != fd->padding) {
             fd->padding = p;
             fullLayout = true;