4 files changed, 36 insertions, 0 deletions
diff --git a/src/widgets/dialogs/qwizard.cpp b/src/widgets/dialogs/qwizard.cpp
index 88b187cd7f..c692a0f8db 100644
--- a/src/widgets/dialogs/qwizard.cpp
+++ b/src/widgets/dialogs/qwizard.cpp
@@ -3257,7 +3257,11 @@ 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);
diff --git a/src/widgets/dialogs/qwizard.h b/src/widgets/dialogs/qwizard.h
index 0dd837b197..ef71efa0cb 100644
--- a/src/widgets/dialogs/qwizard.h
+++ b/src/widgets/dialogs/qwizard.h
@@ -188,7 +188,11 @@ protected:
     void resizeEvent(QResizeEvent *event) override;
     void paintEvent(QPaintEvent *event) override;
 #if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
+#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    bool nativeEvent(const QByteArray &eventType, void *message, qintptr *result) override;
+#  else
     bool nativeEvent(const QByteArray &eventType, void *message, long *result) override;
+#  endif
 #endif
     void done(int result) override;
     virtual void initializePage(int id);
diff --git a/src/widgets/dialogs/qwizard_win.cpp b/src/widgets/dialogs/qwizard_win.cpp
index aa9ad7f290..62738f732c 100644
--- a/src/widgets/dialogs/qwizard_win.cpp
+++ b/src/widgets/dialogs/qwizard_win.cpp
@@ -339,7 +339,11 @@ void QVistaHelper::setTitleBarIconAndCaptionVisible(bool visible)
         SetWindowThemeAttribute(handle, WTA_NONCLIENT, &opt, sizeof(WTA_OPTIONS));
 }
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+bool QVistaHelper::winEvent(MSG* msg, qintptr *result)
+#else
 bool QVistaHelper::winEvent(MSG* msg, long* result)
+#endif
 {
     switch (msg->message) {
     case WM_NCHITTEST: {
@@ -401,7 +405,11 @@ void QVistaHelper::mouseEvent(QEvent *event)
     }
 }
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+bool QVistaHelper::handleWinEvent(MSG *message, qintptr *result)
+#else
 bool QVistaHelper::handleWinEvent(MSG *message, long *result)
+#endif
 {
     if (message->message == WM_THEMECHANGED || message->message == WM_DWMCOMPOSITIONCHANGED)
         cachedVistaState = Dirty;
@@ -509,7 +517,11 @@ bool QVistaHelper::eventFilter(QObject *obj, QEvent *event)
 
     if (event->type() == QEvent::MouseMove) {
         QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        qintptr result;
+#else
         long result;
+#endif
         MSG msg;
         msg.message = WM_NCHITTEST;
         msg.wParam  = 0;
@@ -523,7 +535,11 @@ bool QVistaHelper::eventFilter(QObject *obj, QEvent *event)
         QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
 
         if (mouseEvent->button() == Qt::LeftButton) {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            qintptr result;
+#else
             long result;
+#endif
             MSG msg;
             msg.message = WM_NCHITTEST;
             msg.wParam  = 0;
@@ -538,7 +554,11 @@ bool QVistaHelper::eventFilter(QObject *obj, QEvent *event)
         QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
 
         if (mouseEvent->button() == Qt::LeftButton) {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            qintptr result;
+#else
             long result;
+#endif
             MSG msg;
             msg.message = WM_NCHITTEST;
             msg.wParam  = 0;
diff --git a/src/widgets/dialogs/qwizard_win_p.h b/src/widgets/dialogs/qwizard_win_p.h
index 02c5e52c2c..b3796e3f48 100644
--- a/src/widgets/dialogs/qwizard_win_p.h
+++ b/src/widgets/dialogs/qwizard_win_p.h
@@ -93,7 +93,11 @@ public:
     bool setDWMTitleBar(TitleBarChangeType type);
     void setTitleBarIconAndCaptionVisible(bool visible);
     void mouseEvent(QEvent *event);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    bool handleWinEvent(MSG *message, qintptr *result);
+#else
     bool handleWinEvent(MSG *message, long *result);
+#endif
     void resizeEvent(QResizeEvent *event);
     void paintEvent(QPaintEvent *event);
     QVistaBackButton *backButton() const { return backButton_; }
@@ -130,7 +134,11 @@ private:
     void drawTitleBar(QPainter *painter);
     void setMouseCursor(QPoint pos);
     void collapseTopFrameStrut();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    bool winEvent(MSG *message, qintptr *result);
+#else
     bool winEvent(MSG *message, long *result);
+#endif
     void mouseMoveEvent(QMouseEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent *event);