Avoid initializing QFlags with 0 or nullptr in further cases

Amends 744e77b841878fb017c0f2d60607090008f28180.

Change-Id: I16e37aaf503eb62f67fca0e48be4c92c4a72ae46
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

8 files changed, 7 insertions, 16 deletions

diff --git a/src/quick/items/qquickflickable.cpp b/src/quick/items/qquickflickable.cpp
index d9ec7de611..8ade5b7e37 100644
--- a/src/quick/items/qquickflickable.cpp
+++ b/src/quick/items/qquickflickable.cpp
@@ -316,7 +316,7 @@ void QQuickFlickablePrivate::itemGeometryChanged(QQuickItem *item, QQuickGeometr
 {
     Q_Q(QQuickFlickable);
     if (item == contentItem) {
-        Qt::Orientations orient = nullptr;
+        Qt::Orientations orient;
         if (change.xChange())
             orient |= Qt::Horizontal;
         if (change.yChange())
diff --git a/src/quick/items/qquickgenericshadereffect.cpp b/src/quick/items/qquickgenericshadereffect.cpp
index f42b7e6580..a3d04f5dd3 100644
--- a/src/quick/items/qquickgenericshadereffect.cpp
+++ b/src/quick/items/qquickgenericshadereffect.cpp
@@ -310,7 +310,7 @@ QSGNode *QQuickGenericShaderEffect::handleUpdatePaintNode(QSGNode *oldNode, QQui
         m_dirty &= ~QSGShaderEffectNode::DirtyShaderGeometry;
     }
 
-    m_dirty = nullptr;
+    m_dirty = {};
     for (int i = 0; i < NShader; ++i) {
         m_dirtyConstants[i].clear();
         m_dirtyTextures[i].clear();
diff --git a/src/quick/items/qquickmousearea.cpp b/src/quick/items/qquickmousearea.cpp
index ddf34798d7..24042da2a9 100644
--- a/src/quick/items/qquickmousearea.cpp
+++ b/src/quick/items/qquickmousearea.cpp
@@ -62,7 +62,7 @@ Q_DECLARE_LOGGING_CATEGORY(DBG_HOVER_TRACE)
 QQuickMouseAreaPrivate::QQuickMouseAreaPrivate()
 : enabled(true), scrollGestureEnabled(true), hovered(false), longPress(false),
   moved(false), stealMouse(false), doubleClick(false), preventStealing(false),
-  propagateComposedEvents(false), overThreshold(false), pressed(nullptr),
+  propagateComposedEvents(false), overThreshold(false),
   pressAndHoldInterval(-1)
 #if QT_CONFIG(quick_draganddrop)
   , drag(nullptr)
diff --git a/src/quick/items/qquickpainteditem.cpp b/src/quick/items/qquickpainteditem.cpp
index 57848919f3..386c8d8862 100644
--- a/src/quick/items/qquickpainteditem.cpp
+++ b/src/quick/items/qquickpainteditem.cpp
@@ -133,7 +133,6 @@ QQuickPaintedItemPrivate::QQuickPaintedItemPrivate()
     , contentsScale(1.0)
     , fillColor(Qt::transparent)
     , renderTarget(QQuickPaintedItem::Image)
-    , performanceHints(nullptr)
     , opaquePainting(false)
     , antialiasing(false)
     , mipmap(false)
diff --git a/src/quick/items/qquickscreen.cpp b/src/quick/items/qquickscreen.cpp
index b17e505f4f..ed2d7eda3e 100644
--- a/src/quick/items/qquickscreen.cpp
+++ b/src/quick/items/qquickscreen.cpp
@@ -424,9 +424,6 @@ QScreen *QQuickScreenInfo::wrappedScreen() const
 
 QQuickScreenAttached::QQuickScreenAttached(QObject* attachee)
     : QQuickScreenInfo(attachee)
-    , m_window(nullptr)
-    , m_updateMask(nullptr)
-    , m_updateMaskSet(false)
 {
     m_attachee = qobject_cast<QQuickItem*>(attachee);
 
diff --git a/src/quick/items/qquickscreen_p.h b/src/quick/items/qquickscreen_p.h
index 61cbdf7387..b4266d78c7 100644
--- a/src/quick/items/qquickscreen_p.h
+++ b/src/quick/items/qquickscreen_p.h
@@ -152,10 +152,10 @@ protected Q_SLOTS:
     void screenChanged(QScreen*);
 
 private:
-    QQuickWindow* m_window;
+    QQuickWindow* m_window = nullptr;
     QQuickItem* m_attachee;
     Qt::ScreenOrientations m_updateMask;
-    bool m_updateMaskSet;
+    bool m_updateMaskSet = false;
 };
 
 class Q_QUICK_PRIVATE_EXPORT QQuickScreen : public QObject
diff --git a/src/quick/items/qquickstateoperations.cpp b/src/quick/items/qquickstateoperations.cpp
index 07767d377d..ddaa1979b6 100644
--- a/src/quick/items/qquickstateoperations.cpp
+++ b/src/quick/items/qquickstateoperations.cpp
@@ -600,11 +600,6 @@ class QQuickAnchorSetPrivate : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QQuickAnchorSet)
 public:
-    QQuickAnchorSetPrivate()
-      : usedAnchors(nullptr), resetAnchors(nullptr)
-    {
-    }
-
     QQuickAnchors::Anchors usedAnchors;
     QQuickAnchors::Anchors resetAnchors;
 
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index fec70191ca..40872866df 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -527,7 +527,7 @@ void QQuickWindowPrivate::renderSceneGraph(const QSize &size, const QSize &surfa
             renderer->setDeviceRect(rect);
             renderer->setViewportRect(rect);
             const bool flipY = rhi ? !rhi->isYUpInNDC() : false;
-            QSGAbstractRenderer::MatrixTransformFlags matrixFlags = 0;
+            QSGAbstractRenderer::MatrixTransformFlags matrixFlags;
             if (flipY)
                 matrixFlags |= QSGAbstractRenderer::MatrixTransformFlipY;
             renderer->setProjectionMatrixToRect(QRectF(QPoint(0, 0), logicalSize), matrixFlags);
@@ -4444,7 +4444,7 @@ bool QQuickWindow::clearBeforeRendering() const
 
 QSGTexture *QQuickWindow::createTextureFromImage(const QImage &image) const
 {
-    return createTextureFromImage(image, nullptr);
+    return createTextureFromImage(image, {});
 }