Merge remote-tracking branch 'origin/5.12' into 5.12.1

 Conflicts:
	src/widgets/kernel/qtooltip.cpp

Change-Id: Ic2f9a425359050eb56b3a4e5162cf5e3447058c8

18 files changed, 227 insertions, 83 deletions

diff --git a/src/widgets/dialogs/qdialog.cpp b/src/widgets/dialogs/qdialog.cpp
index 06f0393b4c..1fb5e61301 100644
--- a/src/widgets/dialogs/qdialog.cpp
+++ b/src/widgets/dialogs/qdialog.cpp
@@ -145,10 +145,48 @@ bool QDialogPrivate::canBeNativeDialog() const
     return false;
 }
 
-QWindow *QDialogPrivate::parentWindow() const
+/*!
+    \internal
+
+    Properly hides dialog and sets the \p resultCode
+ */
+void QDialogPrivate::hide(int resultCode)
 {
-    if (const QWidget *parent = q_func()->nativeParentWidget())
+    Q_Q(QDialog);
+
+    q->setResult(resultCode);
+    q->hide();
+
+    close_helper(QWidgetPrivate::CloseNoEvent);
+    resetModalitySetByOpen();
+}
+
+/*!
+    \internal
+
+    Emits finished() signal with \p resultCode. If the \p dialogCode
+    is equal to 0 emits rejected(), if the \p dialogCode is equal to
+    1 emits accepted().
+ */
+void QDialogPrivate::finalize(int resultCode, int dialogCode)
+{
+    Q_Q(QDialog);
+
+    if (dialogCode == QDialog::Accepted)
+        emit q->accepted();
+    else if (dialogCode == QDialog::Rejected)
+        emit q->rejected();
+
+    emit q->finished(resultCode);
+}
+
+QWindow *QDialogPrivate::transientParentWindow() const
+{
+    Q_Q(const QDialog);
+    if (const QWidget *parent = q->nativeParentWidget())
         return parent->windowHandle();
+    else if (q->windowHandle())
+        return q->windowHandle()->transientParent();
     return 0;
 }
 
@@ -158,7 +196,7 @@ bool QDialogPrivate::setNativeDialogVisible(bool visible)
         if (visible) {
             Q_Q(QDialog);
             helperPrepareShow(helper);
-            nativeDialogInUse = helper->show(q->windowFlags(), q->windowModality(), parentWindow());
+            nativeDialogInUse = helper->show(q->windowFlags(), q->windowModality(), transientParentWindow());
         } else if (nativeDialogInUse) {
             helper->hide();
         }
@@ -590,17 +628,8 @@ int QDialog::exec()
 void QDialog::done(int r)
 {
     Q_D(QDialog);
-    setResult(r);
-    hide();
-
-    d->close_helper(QWidgetPrivate::CloseNoEvent);
-    d->resetModalitySetByOpen();
-
-    emit finished(r);
-    if (r == Accepted)
-        emit accepted();
-    else if (r == Rejected)
-        emit rejected();
+    d->hide(r);
+    d->finalize(r, r);
 }
 
 /*!
diff --git a/src/widgets/dialogs/qdialog_p.h b/src/widgets/dialogs/qdialog_p.h
index 99fff08e65..92634f6793 100644
--- a/src/widgets/dialogs/qdialog_p.h
+++ b/src/widgets/dialogs/qdialog_p.h
@@ -87,7 +87,7 @@ public:
         {}
     ~QDialogPrivate();
 
-    QWindow *parentWindow() const;
+    QWindow *transientParentWindow() const;
     bool setNativeDialogVisible(bool visible);
     QVariant styleHint(QPlatformDialogHelper::StyleHint hint) const;
     void deletePlatformHelper();
@@ -122,6 +122,9 @@ public:
     QPlatformDialogHelper *platformHelper() const;
     virtual bool canBeNativeDialog() const;
 
+    void hide(int resultCode);
+    void finalize(int resultCode, int dialogCode);
+
 private:
     virtual void initHelper(QPlatformDialogHelper *) {}
     virtual void helperPrepareShow(QPlatformDialogHelper *) {}
diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index 69496dbd29..eb3479b3e0 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -2866,7 +2866,11 @@ void QFileDialogPrivate::init(const QUrl &directory, const QString &nameFilter,
     q->setFileMode(QFileDialog::AnyFile);
     if (!nameFilter.isEmpty())
         q->setNameFilter(nameFilter);
+    // QTBUG-70798, prevent the default blocking the restore logic.
+    const bool dontStoreDir = !directory.isValid() && !lastVisitedDir()->isValid();
     q->setDirectoryUrl(workingDirectory(directory));
+    if (dontStoreDir)
+        lastVisitedDir()->clear();
     if (directory.isLocalFile())
         q->selectFile(initialSelection(directory));
     else
diff --git a/src/widgets/dialogs/qfilesystemmodel.cpp b/src/widgets/dialogs/qfilesystemmodel.cpp
index 8b3549c3f5..d29f74e93d 100644
--- a/src/widgets/dialogs/qfilesystemmodel.cpp
+++ b/src/widgets/dialogs/qfilesystemmodel.cpp
@@ -2032,8 +2032,7 @@ bool QFileSystemModelPrivate::passNameFilters(const QFileSystemNode *node) const
                                             : QRegularExpression::CaseInsensitiveOption;
 
         for (const auto &nameFilter : nameFilters) {
-            const QString wildcard = QRegularExpression::wildcardToRegularExpression(nameFilter);
-            QRegularExpression rx(QRegularExpression::anchoredPattern(wildcard), options);
+            QRegularExpression rx(QRegularExpression::wildcardToRegularExpression(nameFilter), options);
             QRegularExpressionMatch match = rx.match(node->fileName);
             if (match.hasMatch())
                 return true;
diff --git a/src/widgets/dialogs/qmessagebox.cpp b/src/widgets/dialogs/qmessagebox.cpp
index e8f34ec946..ac1952a642 100644
--- a/src/widgets/dialogs/qmessagebox.cpp
+++ b/src/widgets/dialogs/qmessagebox.cpp
@@ -209,6 +209,7 @@ public:
     void setupLayout();
     void _q_buttonClicked(QAbstractButton *);
     void _q_clicked(QPlatformDialogHelper::StandardButton button, QPlatformDialogHelper::ButtonRole role);
+    void setClickedButton(QAbstractButton *button);
 
     QAbstractButton *findButton(int button0, int button1, int button2, int flags);
     void addOldButtons(int button0, int button1, int button2);
@@ -216,6 +217,8 @@ public:
     QAbstractButton *abstractButtonForId(int id) const;
     int execReturnCode(QAbstractButton *button);
 
+    int dialogCodeForButton(QAbstractButton *button) const;
+
     void detectEscapeButton();
     void updateSize();
     int layoutMinimumWidth();
@@ -466,6 +469,27 @@ int QMessageBoxPrivate::execReturnCode(QAbstractButton *button)
     return ret;
 }
 
+/*!
+    \internal
+
+    Returns 0 for RejectedRole and NoRole, 1 for AcceptedRole and YesRole, -1 otherwise
+ */
+int QMessageBoxPrivate::dialogCodeForButton(QAbstractButton *button) const
+{
+    Q_Q(const QMessageBox);
+
+    switch (q->buttonRole(button)) {
+    case QMessageBox::AcceptRole:
+    case QMessageBox::YesRole:
+        return QDialog::Accepted;
+    case QMessageBox::RejectRole:
+    case QMessageBox::NoRole:
+        return QDialog::Rejected;
+    default:
+        return -1;
+    }
+}
+
 void QMessageBoxPrivate::_q_buttonClicked(QAbstractButton *button)
 {
     Q_Q(QMessageBox);
@@ -477,20 +501,30 @@ void QMessageBoxPrivate::_q_buttonClicked(QAbstractButton *button)
     } else
 #endif
     {
-        clickedButton = button;
-        q->done(execReturnCode(button)); // does not trigger closeEvent
-        emit q->buttonClicked(button);
+        setClickedButton(button);
 
         if (receiverToDisconnectOnClose) {
             QObject::disconnect(q, signalToDisconnectOnClose, receiverToDisconnectOnClose,
                                 memberToDisconnectOnClose);
-            receiverToDisconnectOnClose = 0;
+            receiverToDisconnectOnClose = nullptr;
         }
         signalToDisconnectOnClose.clear();
         memberToDisconnectOnClose.clear();
     }
 }
 
+void QMessageBoxPrivate::setClickedButton(QAbstractButton *button)
+{
+    Q_Q(QMessageBox);
+
+    clickedButton = button;
+    emit q->buttonClicked(clickedButton);
+
+    auto resultCode = execReturnCode(button);
+    hide(resultCode);
+    finalize(resultCode, dialogCodeForButton(button));
+}
+
 void QMessageBoxPrivate::_q_clicked(QPlatformDialogHelper::StandardButton button, QPlatformDialogHelper::ButtonRole role)
 {
     Q_Q(QMessageBox);
diff --git a/src/widgets/itemviews/qtableview.cpp b/src/widgets/itemviews/qtableview.cpp
index 9725a768de..9c509583e6 100644
--- a/src/widgets/itemviews/qtableview.cpp
+++ b/src/widgets/itemviews/qtableview.cpp
@@ -766,6 +766,66 @@ bool QTableViewPrivate::spanContainsSection(const QHeaderView *header, int logic
 
 /*!
   \internal
+  Searches for the next cell which is available for e.g. keyboard navigation
+  The search is done by row
+*/
+int QTableViewPrivate::nextActiveVisualRow(int rowToStart, int column, int limit,
+                                           SearchDirection searchDirection) const
+{
+    const int lc = logicalColumn(column);
+    int visualRow = rowToStart;
+    const auto isCellActive = [this](int vr, int lc)
+    {
+        const int lr = logicalRow(vr);
+        return !isRowHidden(lr) && isCellEnabled(lr, lc);
+    };
+    switch (searchDirection) {
+    case SearchDirection::Increasing:
+        if (visualRow < limit) {
+            while (!isCellActive(visualRow, lc)) {
+                if (++visualRow == limit)
+                    return rowToStart;
+            }
+        }
+        break;
+    case SearchDirection::Decreasing:
+        while (visualRow > limit && !isCellActive(visualRow, lc))
+            --visualRow;
+        break;
+    }
+    return visualRow;
+}
+
+/*!
+  \internal
+  Searches for the next cell which is available for e.g. keyboard navigation
+  The search is done by column
+*/
+int QTableViewPrivate::nextActiveVisualColumn(int row, int columnToStart, int limit,
+                                              SearchDirection searchDirection) const
+{
+    const int lr = logicalRow(row);
+    int visualColumn = columnToStart;
+    const auto isCellActive = [this](int lr, int vc)
+    {
+        const int lc = logicalColumn(vc);
+        return !isColumnHidden(lc) && isCellEnabled(lr, lc);
+    };
+    switch (searchDirection) {
+    case SearchDirection::Increasing:
+        while (visualColumn < limit && !isCellActive(lr, visualColumn))
+            ++visualColumn;
+        break;
+    case SearchDirection::Decreasing:
+        while (visualColumn > limit && !isCellActive(lr, visualColumn))
+            --visualColumn;
+        break;
+    }
+    return visualColumn;
+}
+
+/*!
+  \internal
   Returns the visual rect for the given \a span.
 */
 QRect QTableViewPrivate::visualSpanRect(const QSpanCollection::Span &span) const
@@ -1800,35 +1860,34 @@ QModelIndex QTableView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifi
         break;
     }
     case MoveHome:
-        visualColumn = 0;
-        while (visualColumn < right && d->isVisualColumnHiddenOrDisabled(visualRow, visualColumn))
-            ++visualColumn;
-        if (modifiers & Qt::ControlModifier) {
-            visualRow = 0;
-            while (visualRow < bottom && d->isVisualRowHiddenOrDisabled(visualRow, visualColumn))
-                ++visualRow;
-        }
+        visualColumn = d->nextActiveVisualColumn(visualRow, 0, right,
+                                                 QTableViewPrivate::SearchDirection::Increasing);
+        if (modifiers & Qt::ControlModifier)
+            visualRow = d->nextActiveVisualRow(0, visualColumn, bottom,
+                                               QTableViewPrivate::SearchDirection::Increasing);
         break;
     case MoveEnd:
-        visualColumn = right;
+        visualColumn = d->nextActiveVisualColumn(visualRow, right, -1,
+                                                 QTableViewPrivate::SearchDirection::Decreasing);
         if (modifiers & Qt::ControlModifier)
-            visualRow = bottom;
+            visualRow = d->nextActiveVisualRow(bottom, current.column(), -1,
+                                               QTableViewPrivate::SearchDirection::Decreasing);
         break;
     case MovePageUp: {
-        int newRow = rowAt(visualRect(current).bottom() - d->viewport->height());
-        if (newRow == -1) {
-            int visualRow = 0;
-            while (visualRow < bottom && isRowHidden(d->logicalRow(visualRow)))
-                ++visualRow;
-            newRow = d->logicalRow(visualRow);
-        }
-        return d->model->index(newRow, current.column(), d->root);
+        int newLogicalRow = rowAt(visualRect(current).bottom() - d->viewport->height());
+        int visualRow = (newLogicalRow == -1 ? 0 : d->visualRow(newLogicalRow));
+        visualRow = d->nextActiveVisualRow(visualRow, current.column(), bottom,
+                                           QTableViewPrivate::SearchDirection::Increasing);
+        newLogicalRow = d->logicalRow(visualRow);
+        return d->model->index(newLogicalRow, current.column(), d->root);
     }
     case MovePageDown: {
-        int newRow = rowAt(visualRect(current).top() + d->viewport->height());
-        if (newRow == -1)
-            newRow = d->logicalRow(bottom);
-        return d->model->index(newRow, current.column(), d->root);
+        int newLogicalRow = rowAt(visualRect(current).top() + d->viewport->height());
+        int visualRow = (newLogicalRow == -1 ? bottom : d->visualRow(newLogicalRow));
+        visualRow = d->nextActiveVisualRow(visualRow, current.column(), -1,
+                                           QTableViewPrivate::SearchDirection::Decreasing);
+        newLogicalRow = d->logicalRow(visualRow);
+        return d->model->index(newLogicalRow, current.column(), d->root);
     }}
 
     d->visualCursor = QPoint(visualColumn, visualRow);
diff --git a/src/widgets/itemviews/qtableview_p.h b/src/widgets/itemviews/qtableview_p.h
index 805787597c..a50e6b6410 100644
--- a/src/widgets/itemviews/qtableview_p.h
+++ b/src/widgets/itemviews/qtableview_p.h
@@ -234,16 +234,16 @@ public:
     inline bool isCellEnabled(int row, int column) const {
         return isIndexEnabled(model->index(row, column, root));
     }
-    inline bool isVisualRowHiddenOrDisabled(int row, int column) const {
-        int r = logicalRow(row);
-        int c = logicalColumn(column);
-        return isRowHidden(r) || !isCellEnabled(r, c);
-    }
-    inline bool isVisualColumnHiddenOrDisabled(int row, int column) const {
-        int r = logicalRow(row);
-        int c = logicalColumn(column);
-        return isColumnHidden(c) || !isCellEnabled(r, c);
-    }
+
+    enum class SearchDirection
+    {
+        Increasing,
+        Decreasing
+    };
+    int nextActiveVisualRow(int rowToStart, int column, int limit,
+                            SearchDirection searchDirection) const;
+    int nextActiveVisualColumn(int row, int columnToStart, int limit,
+                               SearchDirection searchDirection) const;
 
     QRect visualSpanRect(const QSpanCollection::Span &span) const;
 
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index 2410daf047..f9db6155af 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -1064,8 +1064,10 @@ QStyle *QApplication::style()
         if (!QApplicationPrivate::styleOverride.isEmpty()) {
             const QString style = QApplicationPrivate::styleOverride.toLower();
             app_style = QStyleFactory::create(style);
-            if (!app_style)
-                qWarning("QApplication: invalid style override passed, ignoring it.");
+            if (Q_UNLIKELY(!app_style)) {
+                qWarning("QApplication: invalid style override passed, ignoring it.\n"
+                "    Available styles: %s", qPrintable(QStyleFactory::keys().join(QLatin1String(", "))));
+            }
         }
         if (!app_style)
             app_style = QStyleFactory::create(QApplicationPrivate::desktopStyleKey());
diff --git a/src/widgets/kernel/qtooltip.cpp b/src/widgets/kernel/qtooltip.cpp
index b9d8758fe0..cf0f3f153b 100644
--- a/src/widgets/kernel/qtooltip.cpp
+++ b/src/widgets/kernel/qtooltip.cpp
@@ -41,6 +41,7 @@
 #endif
 
 #include <QtWidgets/private/qtwidgetsglobal_p.h>
+#include <QtWidgets/private/qlabel_p.h>
 
 #include <qapplication.h>
 #include <qdesktopwidget.h>
@@ -127,6 +128,7 @@ public:
     ~QTipLabel();
     static QTipLabel *instance;
 
+    void adjustTooltipScreen(const QPoint &pos);
     void updateSize(const QPoint &pos);
 
     bool eventFilter(QObject *, QEvent *) override;
@@ -221,6 +223,12 @@ void QTipLabel::reuseTip(const QString &text, int msecDisplayTime, const QPoint
 
 void  QTipLabel::updateSize(const QPoint &pos)
 {
+#ifndef Q_OS_WINRT
+    // ### The code below does not always work well on WinRT
+    // (e.g COIN fails an auto test - tst_QToolTip::qtbug64550_stylesheet - QTBUG-72652)
+    d_func()->setScreenForPoint(pos);
+#endif
+    // Ensure that we get correct sizeHints by placing this window on the right screen.
     QFontMetrics fm(font());
     QSize extra(1, 0);
     // Make it look good with the default ToolTip font on Mac, which has a small descent.
@@ -228,6 +236,7 @@ void  QTipLabel::updateSize(const QPoint &pos)
         ++extra.rheight();
     setWordWrap(Qt::mightBeRichText(text()));
     QSize sh = sizeHint();
+    // ### When the above WinRT code is fixed, windowhandle should be used to find the screen.
     QScreen *screen = QGuiApplication::screenAt(pos);
     if (!screen)
         screen = QGuiApplication::primaryScreen();
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 9a07c55e10..fef07cfe0d 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -2571,6 +2571,27 @@ void QWidgetPrivate::createWinId()
     }
 }
 
+/*!
+\internal
+Ensures that the widget is set on the screen point is on. This is handy getting a correct
+size hint before a resize in e.g QMenu and QToolTip
+*/
+
+void QWidgetPrivate::setScreenForPoint(const QPoint &pos)
+{
+    Q_Q(QWidget);
+    if (!q->isWindow())
+        return;
+    // Find the screen for pos and make the widget undertand it is on that screen.
+    const QScreen *currentScreen = windowHandle() ? windowHandle()->screen() : nullptr;
+    QScreen *actualScreen = QGuiApplication::screenAt(pos);
+    if (actualScreen && currentScreen != actualScreen) {
+        if (!windowHandle()) // Try to create a window handle if not created.
+            createWinId();
+        if (windowHandle())
+            windowHandle()->setScreen(actualScreen);
+    }
+}
 
 /*!
 \internal
diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index be45c4c868..6f1ce67c4c 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -355,6 +355,8 @@ public:
     void createRecursively();
     void createWinId();
 
+    void setScreenForPoint(const QPoint &pos);
+
     void createTLExtra();
     void createExtra();
     void deleteExtra();
diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 10dfad2754..9fbbe1893a 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -1675,7 +1675,8 @@ void QCommonStyle::drawControl(ControlElement element, const QStyleOption *opt,
                         alignment |= Qt::AlignLeft | Qt::AlignVCenter;
                     }
                     tr.translate(shiftX, shiftY);
-                    const QString text = toolbutton->fontMetrics.elidedText(toolbutton->text, Qt::ElideMiddle, tr.width());
+                    const QString text = toolbutton->fontMetrics.elidedText(toolbutton->text, Qt::ElideMiddle,
+                                                                            tr.width(), alignment);
                     proxy()->drawItemText(p, QStyle::visualRect(opt->direction, rect, tr), alignment, toolbutton->palette,
                                  toolbutton->state & State_Enabled, text,
                                  QPalette::ButtonText);
diff --git a/src/widgets/styles/qfusionstyle.cpp b/src/widgets/styles/qfusionstyle.cpp
index df151067df..c565932889 100644
--- a/src/widgets/styles/qfusionstyle.cpp
+++ b/src/widgets/styles/qfusionstyle.cpp
@@ -725,7 +725,6 @@ void QFusionStyle::drawPrimitive(PrimitiveElement elem,
 
         // Draw Outline
         painter->setPen( QPen(hasFocus ? highlightedOutline : outline));
-        painter->setBrush(option->palette.base());
         painter->drawRoundedRect(r.adjusted(0, 0, -1, -1), 2, 2);
 
         if (hasFocus) {
diff --git a/src/widgets/styles/qstyle.cpp b/src/widgets/styles/qstyle.cpp
index 8006be8c27..ac4fb7fbd1 100644
--- a/src/widgets/styles/qstyle.cpp
+++ b/src/widgets/styles/qstyle.cpp
@@ -1998,7 +1998,7 @@ void QStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int alignment,
            This enum value has been introduced in Qt 5.10.
 
     \value SH_SpinBox_ButtonsInsideFrame
-           Determnines if the spin box buttons are inside the line edit frame.
+           Determines if the spin box buttons are inside the line edit frame.
            This enum value has been introduced in Qt 5.11.
 
     \value SH_SpinBox_StepModifier
diff --git a/src/widgets/widgets/qabstractslider.cpp b/src/widgets/widgets/qabstractslider.cpp
index 99ee1eccb7..2172ebc99c 100644
--- a/src/widgets/widgets/qabstractslider.cpp
+++ b/src/widgets/widgets/qabstractslider.cpp
@@ -829,7 +829,6 @@ void QAbstractSlider::keyPressEvent(QKeyEvent *ev)
             break;
 #endif
 
-        // It seems we need to use invertedAppearance for Left and right, otherwise, things look weird.
         case Qt::Key_Left:
 #ifdef QT_KEYPAD_NAVIGATION
             // In QApplication::KeypadNavigationDirectional, we want to change the slider
@@ -848,9 +847,9 @@ void QAbstractSlider::keyPressEvent(QKeyEvent *ev)
             else
 #endif
             if (isRightToLeft())
-                action = d->invertedAppearance ? SliderSingleStepSub : SliderSingleStepAdd;
+                action = d->invertedControls ? SliderSingleStepSub : SliderSingleStepAdd;
             else
-                action = !d->invertedAppearance ? SliderSingleStepSub : SliderSingleStepAdd;
+                action = !d->invertedControls ? SliderSingleStepSub : SliderSingleStepAdd;
             break;
         case Qt::Key_Right:
 #ifdef QT_KEYPAD_NAVIGATION
@@ -868,9 +867,9 @@ void QAbstractSlider::keyPressEvent(QKeyEvent *ev)
             else
 #endif
             if (isRightToLeft())
-                action = d->invertedAppearance ? SliderSingleStepAdd : SliderSingleStepSub;
+                action = d->invertedControls ? SliderSingleStepAdd : SliderSingleStepSub;
             else
-                action = !d->invertedAppearance ? SliderSingleStepAdd : SliderSingleStepSub;
+                action = !d->invertedControls ? SliderSingleStepAdd : SliderSingleStepSub;
             break;
         case Qt::Key_Up:
 #ifdef QT_KEYPAD_NAVIGATION
diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index 68bfd175ff..c66400f423 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -553,7 +553,7 @@ void QDateTimeEdit::setMaximumTime(const QTime &max)
 {
     Q_D(QDateTimeEdit);
     if (max.isValid()) {
-        const QDateTime m(d->maximum.toDate(), max);
+        const QDateTime m(d->maximum.toDate(), max, d->spec);
         setMaximumDateTime(m);
     }
 }
diff --git a/src/widgets/widgets/qmenu.cpp b/src/widgets/widgets/qmenu.cpp
index c79e88f094..e3c29ff6ee 100644
--- a/src/widgets/widgets/qmenu.cpp
+++ b/src/widgets/widgets/qmenu.cpp
@@ -896,23 +896,6 @@ void QMenuPrivate::_q_overrideMenuActionDestroyed()
     menuAction=defaultMenuAction;
 }
 
-void QMenuPrivate::adjustMenuScreen(const QPoint &p)
-{
-    Q_Q(QMenu);
-    // The windowHandle must point to the screen where the menu will be shown.
-    // The (item) size calculations depend on the menu screen,
-    // so a wrong screen would often cause wrong sizes (on high DPI)
-    const QScreen *currentScreen = q->windowHandle() ? q->windowHandle()->screen() : nullptr;
-    QScreen *actualScreen = QGuiApplication::screenAt(p);
-    if (actualScreen && currentScreen != actualScreen) {
-        if (!q->windowHandle()) // Try to create a window handle if not created.
-            createWinId();
-        if (q->windowHandle())
-            q->windowHandle()->setScreen(actualScreen);
-        itemsDirty = true;
-    }
-}
-
 void QMenuPrivate::updateLayoutDirection()
 {
     Q_Q(QMenu);
@@ -2375,7 +2358,8 @@ void QMenu::popup(const QPoint &p, QAction *atAction)
     d->motions = 0;
     d->doChildEffects = true;
     d->updateLayoutDirection();
-    d->adjustMenuScreen(p);
+    // Ensure that we get correct sizeHints by placing this window on the right screen.
+    d->setScreenForPoint(p);
 
     const bool contextMenu = d->isContextMenu();
     if (d->lastContextMenu != contextMenu) {
diff --git a/src/widgets/widgets/qmenu_p.h b/src/widgets/widgets/qmenu_p.h
index 721a35bf90..f740919dc7 100644
--- a/src/widgets/widgets/qmenu_p.h
+++ b/src/widgets/widgets/qmenu_p.h
@@ -456,7 +456,6 @@ public:
 
     bool hasMouseMoved(const QPoint &globalPos);
 
-    void adjustMenuScreen(const QPoint &p);
     void updateLayoutDirection();
 
     QPointer<QPlatformMenu> platformMenu;