6 files changed, 26 insertions, 13 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.h b/src/plugins/platforms/cocoa/qcocoaintegration.h
index bfc3bfe9de..0e2656e046 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.h
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.h
@@ -124,6 +124,8 @@ public:
 
     void beep() const override;
 
+    void closePopups(QWindow *forWindow = nullptr);
+
 private Q_SLOTS:
     void focusWindowChanged(QWindow *);
 
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index 9a2f19c2f2..67ad0b3492 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -487,6 +487,19 @@ void QCocoaIntegration::beep() const
     NSBeep();
 }
 
+void QCocoaIntegration::closePopups(QWindow *forWindow)
+{
+    for (auto it = m_popupWindowStack.begin(); it != m_popupWindowStack.end();) {
+        auto *popup = *it;
+        if (!forWindow || popup->window()->transientParent() == forWindow) {
+            it = m_popupWindowStack.erase(it);
+            QWindowSystemInterface::handleCloseEvent<QWindowSystemInterface::SynchronousDelivery>(popup->window());
+        } else {
+            ++it;
+        }
+    }
+}
+
 void QCocoaIntegration::focusWindowChanged(QWindow *focusWindow)
 {
     // Don't revert icon just because we lost focus
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.h b/src/plugins/platforms/cocoa/qcocoawindow.h
index fef72bc496..1e46cd2dde 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.h
+++ b/src/plugins/platforms/cocoa/qcocoawindow.h
@@ -151,6 +151,7 @@ public:
     Q_NOTIFICATION_HANDLER(NSWindowDidEndLiveResizeNotification) void windowDidEndLiveResize();
     Q_NOTIFICATION_HANDLER(NSWindowDidBecomeKeyNotification) void windowDidBecomeKey();
     Q_NOTIFICATION_HANDLER(NSWindowDidResignKeyNotification) void windowDidResignKey();
+    Q_NOTIFICATION_HANDLER(NSWindowWillMiniaturizeNotification) void windowWillMiniaturize();
     Q_NOTIFICATION_HANDLER(NSWindowDidMiniaturizeNotification) void windowDidMiniaturize();
     Q_NOTIFICATION_HANDLER(NSWindowDidDeminiaturizeNotification) void windowDidDeminiaturize();
     Q_NOTIFICATION_HANDLER(NSWindowWillEnterFullScreenNotification) void windowWillEnterFullScreen();
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index a744a86695..f212b3e3f0 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -71,14 +71,6 @@ enum {
     defaultWindowHeight = 160
 };
 
-static void qt_closePopups()
-{
-    while (QCocoaWindow *popup = QCocoaIntegration::instance()->popPopupWindow()) {
-        QWindowSystemInterface::handleCloseEvent(popup->window());
-        QWindowSystemInterface::flushWindowSystemEvents();
-    }
-}
-
 Q_LOGGING_CATEGORY(lcCocoaNotifications, "qt.qpa.cocoa.notifications");
 
 static void qRegisterNotificationCallbacks()
@@ -800,6 +792,11 @@ void QCocoaWindow::windowDidExitFullScreen()
     }
 }
 
+void QCocoaWindow::windowWillMiniaturize()
+{
+    QCocoaIntegration::instance()->closePopups(window());
+}
+
 void QCocoaWindow::windowDidMiniaturize()
 {
     if (!isContentView())
@@ -1138,7 +1135,7 @@ void QCocoaWindow::viewDidChangeGlobalFrame()
 void QCocoaWindow::windowWillMove()
 {
     // Close any open popups on window move
-    qt_closePopups();
+    QCocoaIntegration::instance()->closePopups();
 }
 
 void QCocoaWindow::windowDidMove()
@@ -1267,7 +1264,7 @@ void QCocoaWindow::windowWillClose()
 {
     // Close any open popups on window closing.
     if (window() && !windowIsPopupType(window()->type()))
-        qt_closePopups();
+        QCocoaIntegration::instance()->closePopups();
 }
 
 // ----------------------- NSWindowDelegate callbacks -----------------------
diff --git a/src/plugins/platforms/windows/qwindowsglcontext.cpp b/src/plugins/platforms/windows/qwindowsglcontext.cpp
index f2d31d5783..d9521e7e08 100644
--- a/src/plugins/platforms/windows/qwindowsglcontext.cpp
+++ b/src/plugins/platforms/windows/qwindowsglcontext.cpp
@@ -329,7 +329,7 @@ static inline bool
 static void describeFormats(HDC hdc)
 {
     const int pfiMax = QOpenGLStaticContext::opengl32.describePixelFormat(hdc, 0, 0, nullptr);
-    for (int i = 0; i < pfiMax; i++) {
+    for (int i = 1; i <= pfiMax; i++) {
         PIXELFORMATDESCRIPTOR pfd;
         initPixelFormatDescriptor(&pfd);
         QOpenGLStaticContext::opengl32.describePixelFormat(hdc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index a4f4099aa6..5c13bd9650 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -269,7 +269,7 @@ QDebug operator<<(QDebug d, const GUID &guid)
 
 static void formatBriefRectangle(QDebug &d, const QRect &r)
 {
-    d << r.width() << 'x' << r.height() << forcesign << r.x() << r.y() << noforcesign;
+    d << r.width() << 'x' << r.height() << Qt::forcesign << r.x() << r.y() << Qt::noforcesign;
 }
 
 static void formatBriefMargins(QDebug &d, const QMargins &m)
@@ -913,7 +913,7 @@ QMargins QWindowsGeometryHint::frameOnPrimaryScreen(DWORD style, DWORD exStyle)
     const QMargins result(qAbs(rect.left), qAbs(rect.top),
                           qAbs(rect.right), qAbs(rect.bottom));
     qCDebug(lcQpaWindows).nospace() << __FUNCTION__ << " style="
-        << showbase << hex << style << " exStyle=" << exStyle << dec << noshowbase
+        << Qt::showbase << Qt::hex << style << " exStyle=" << exStyle << Qt::dec << Qt::noshowbase
         << ' ' << rect << ' ' << result;
     return result;
 }