1 files changed, 24 insertions, 18 deletions

diff --git a/src/widgets/dialogs/qwizard.cpp b/src/widgets/dialogs/qwizard.cpp
index 3876cf16c6..f428114bbe 100644
--- a/src/widgets/dialogs/qwizard.cpp
+++ b/src/widgets/dialogs/qwizard.cpp
@@ -331,7 +331,7 @@ QWizardHeader::QWizardHeader(QWidget *parent)
     titleLabel->setFont(font);
 
     layout = new QGridLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins(QMargins());
     layout->setSpacing(0);
 
     layout->setRowMinimumHeight(3, 1);
@@ -456,7 +456,7 @@ public:
 
     QSize minimumSizeHint() const override {
         if (pixmap() && !pixmap()->isNull())
-            return pixmap()->size();
+            return pixmap()->size() / pixmap()->devicePixelRatio();
         return QFrame::minimumSizeHint();
     }
 
@@ -769,7 +769,7 @@ void QWizardPrivate::reset()
         for (int i = history.count() - 1; i >= 0; --i)
             q->cleanupPage(history.at(i));
         history.clear();
-        for (QWizardPage *page : pageMap)
+        for (QWizardPage *page : qAsConst(pageMap))
             page->d_func()->initialized = false;
 
         current = -1;
@@ -1032,13 +1032,13 @@ void QWizardPrivate::recreateLayout(const QWizardLayoutInfo &info)
     int pageColumn = qMin(1, numColumns - 1);
 
     if (mac) {
-        mainLayout->setMargin(0);
+        mainLayout->setContentsMargins(QMargins());
         mainLayout->setSpacing(0);
         buttonLayout->setContentsMargins(MacLayoutLeftMargin, MacButtonTopMargin, MacLayoutRightMargin, MacLayoutBottomMargin);
-        pageVBoxLayout->setMargin(7);
+        pageVBoxLayout->setContentsMargins(7, 7, 7, 7);
     } else {
         if (modern) {
-            mainLayout->setMargin(0);
+            mainLayout->setContentsMargins(QMargins());
             mainLayout->setSpacing(0);
             pageVBoxLayout->setContentsMargins(deltaMarginLeft, deltaMarginTop,
                                                deltaMarginRight, deltaMarginBottom);
@@ -1595,23 +1595,25 @@ bool QWizardPrivate::handleAeroStyleChange()
     bool vistaMargins = false;
 
     if (isVistaThemeEnabled()) {
+        const int topOffset = vistaHelper->topOffset();
+        const int topPadding = vistaHelper->topPadding();
         if (isVistaThemeEnabled(QVistaHelper::VistaAero)) {
             if (isWindow) {
                 vistaHelper->setDWMTitleBar(QVistaHelper::ExtendedTitleBar);
                 q->installEventFilter(vistaHelper);
             }
             q->setMouseTracking(true);
-            antiFlickerWidget->move(0, vistaHelper->titleBarSize() + vistaHelper->topOffset());
+            antiFlickerWidget->move(0, vistaHelper->titleBarSize() + topOffset);
             vistaHelper->backButton()->move(
-                0, vistaHelper->topOffset() // ### should ideally work without the '+ 1'
-                - qMin(vistaHelper->topOffset(), vistaHelper->topPadding() + 1));
+                0, topOffset // ### should ideally work without the '+ 1'
+                - qMin(topOffset, topPadding + 1));
             vistaMargins = true;
             vistaHelper->backButton()->show();
         } else {
             if (isWindow)
                 vistaHelper->setDWMTitleBar(QVistaHelper::NormalTitleBar);
             q->setMouseTracking(true);
-            antiFlickerWidget->move(0, vistaHelper->topOffset());
+            antiFlickerWidget->move(0, topOffset);
             vistaHelper->backButton()->move(0, -1); // ### should ideally work with (0, 0)
         }
         if (isWindow)
@@ -2374,8 +2376,8 @@ void QWizard::removePage(int id)
 /*!
     \fn QWizardPage *QWizard::page(int id) const
 
-    Returns the page with the given \a id, or 0 if there is no such
-    page.
+    Returns the page with the given \a id, or \nullptr if there is no
+    such page.
 
     \sa addPage(), setPage()
 */
@@ -2462,8 +2464,8 @@ int QWizard::startId() const
 }
 
 /*!
-    Returns a pointer to the current page, or 0 if there is no current
-    page (e.g., before the wizard is shown).
+    Returns a pointer to the current page, or \nullptr if there is no
+    current page (e.g., before the wizard is shown).
 
     This is equivalent to calling page(currentId()).
 
@@ -2954,7 +2956,7 @@ void QWizard::setDefaultProperty(const char *className, const char *property,
 
     Passing 0 shows no side widget.
 
-    When the \a widget is not 0 the wizard reparents it.
+    When the \a widget is not \nullptr the wizard reparents it.
 
     Any previous side widget is hidden.
 
@@ -2963,7 +2965,7 @@ void QWizard::setDefaultProperty(const char *className, const char *property,
 
     All widgets set here will be deleted by the wizard when it is
     destroyed unless you separately reparent the widget after setting
-    some other side widget (or 0).
+    some other side widget (or \nullptr).
 
     By default, no side widget is present.
 */
@@ -2981,7 +2983,7 @@ void QWizard::setSideWidget(QWidget *widget)
 /*!
     \since 4.7
 
-    Returns the widget on the left side of the wizard or 0.
+    Returns the widget on the left side of the wizard or \nullptr.
 
     By default, no side widget is present.
 */
@@ -3257,7 +3259,11 @@ void QWizard::paintEvent(QPaintEvent * event)
 /*!
     \reimp
 */
+#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+bool QWizard::nativeEvent(const QByteArray &eventType, void *message, qintptr *result)
+#  else
 bool QWizard::nativeEvent(const QByteArray &eventType, void *message, long *result)
+#  endif
 {
 #if QT_CONFIG(style_windowsvista)
     Q_D(QWizard);
@@ -3969,7 +3975,7 @@ void QWizardPage::registerField(const QString &name, QWidget *widget, const char
 }
 
 /*!
-    Returns the wizard associated with this page, or 0 if this page
+    Returns the wizard associated with this page, or \nullptr if this page
     hasn't been inserted into a QWizard yet.
 
     \sa QWizard::addPage(), QWizard::setPage()