4 files changed, 26 insertions, 8 deletions

diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index 62e188160a..619f2e7364 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -2135,7 +2135,10 @@ QWidget *QApplicationPrivate::focusNextPrevChild_helper(QWidget *toplevel, bool
         // \a next). This is to ensure that we can tab in and out of compound widgets
         // without getting stuck in a tab-loop between parent and child.
         QWidget *focusProxy = test->d_func()->deepestFocusProxy();
-        const bool canTakeFocus = ((focusProxy ? focusProxy->focusPolicy() : test->focusPolicy())
+        auto effectiveFocusPolicy = [](QWidget *widget) {
+            return widget->isEnabled() ? widget->focusPolicy() : Qt::NoFocus;
+        };
+        const bool canTakeFocus = (effectiveFocusPolicy(focusProxy ? focusProxy : test)
                                   & focus_flag) == focus_flag;
         const bool composites = focusProxy ? (next ? focusProxy->isAncestorOf(test)
                                                    : test->isAncestorOf(focusProxy))
diff --git a/src/widgets/kernel/qsizepolicy.h b/src/widgets/kernel/qsizepolicy.h
index f26923eeb0..f275add923 100644
--- a/src/widgets/kernel/qsizepolicy.h
+++ b/src/widgets/kernel/qsizepolicy.h
@@ -133,9 +133,10 @@ public:
     Q_DECL_RELAXED_CONSTEXPR void setVerticalPolicy(Policy d) noexcept { bits.verPolicy = d; }
     void setControlType(ControlType type) noexcept;
 
+    // ### Qt 7: consider making Policy a QFlags and removing these casts
     QT_SIZEPOLICY_CONSTEXPR Qt::Orientations expandingDirections() const noexcept {
-        return ( (verticalPolicy()   & ExpandFlag) ? Qt::Vertical   : Qt::Orientations() )
-             | ( (horizontalPolicy() & ExpandFlag) ? Qt::Horizontal : Qt::Orientations() ) ;
+        return ( (verticalPolicy()   & static_cast<Policy>(ExpandFlag)) ? Qt::Vertical   : Qt::Orientations() )
+             | ( (horizontalPolicy() & static_cast<Policy>(ExpandFlag)) ? Qt::Horizontal : Qt::Orientations() ) ;
     }
 
     Q_DECL_RELAXED_CONSTEXPR void setHeightForWidth(bool b) noexcept { bits.hfw = b;  }
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 41b22676f8..9eba1e001e 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -5296,10 +5296,11 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
         QWidgetEffectSourcePrivate *sourced = static_cast<QWidgetEffectSourcePrivate *>
                                                          (source->d_func());
         if (!sourced->context) {
-            QWidgetPaintContext context(pdev, rgn, offset, flags, sharedPainter, repaintManager);
+            const QRegion effectRgn(rgn.boundingRect());
+            QWidgetPaintContext context(pdev, effectRgn, offset, flags, sharedPainter, repaintManager);
             sourced->context = &context;
             if (!sharedPainter) {
-                setSystemClip(pdev->paintEngine(), pdev->devicePixelRatioF(), rgn.translated(offset));
+                setSystemClip(pdev->paintEngine(), pdev->devicePixelRatioF(), effectRgn.translated(offset));
                 QPainter p(pdev);
                 p.translate(offset);
                 context.painter = &p;
@@ -5313,7 +5314,7 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
                 }
                 sharedPainter->save();
                 sharedPainter->translate(offset);
-                setSystemClip(sharedPainter->paintEngine(), sharedPainter->device()->devicePixelRatioF(), rgn.translated(offset));
+                setSystemClip(sharedPainter->paintEngine(), sharedPainter->device()->devicePixelRatioF(), effectRgn.translated(offset));
                 graphicsEffect->draw(sharedPainter);
                 setSystemClip(sharedPainter->paintEngine(), 1, QRegion());
                 sharedPainter->restore();
@@ -5321,7 +5322,7 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
             sourced->context = nullptr;
 
             if (repaintManager)
-                repaintManager->markNeedsFlush(q, rgn, offset);
+                repaintManager->markNeedsFlush(q, effectRgn, offset);
 
             return;
         }
diff --git a/src/widgets/kernel/qwidgetrepaintmanager.cpp b/src/widgets/kernel/qwidgetrepaintmanager.cpp
index e7e85c39e7..02880b34da 100644
--- a/src/widgets/kernel/qwidgetrepaintmanager.cpp
+++ b/src/widgets/kernel/qwidgetrepaintmanager.cpp
@@ -801,6 +801,18 @@ bool QWidgetRepaintManager::syncAllowed()
     return true;
 }
 
+static bool isDrawnInEffect(const QWidget *w)
+{
+#if QT_CONFIG(graphicseffect)
+    do {
+        if (w->graphicsEffect())
+            return true;
+        w = w->parentWidget();
+    } while (w);
+#endif
+    return false;
+}
+
 void QWidgetRepaintManager::paintAndFlush()
 {
     qCInfo(lcWidgetPainting) << "Painting and flushing dirty"
@@ -888,7 +900,8 @@ void QWidgetRepaintManager::paintAndFlush()
         }
 #endif
 
-        if (!hasDirtySiblingsAbove && wd->isOpaque && !dirty.intersects(widgetDirty.boundingRect())) {
+        if (!isDrawnInEffect(w) && !hasDirtySiblingsAbove && wd->isOpaque
+                && !dirty.intersects(widgetDirty.boundingRect())) {
             opaqueNonOverlappedWidgets.append(w);
         } else {
             resetWidget(w);