Deprecate constructing QFlags from a pointer

This was used to support QFlags f = 0 initialization, but with 0 used
as a pointer literal now considered bad form, it had been changed many
places to QFlags f = nullptr, which is meaningless and confusing.

Change-Id: I4bc592151c255dc5cab1a232615caecc520f02e8
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

5 files changed, 5 insertions, 5 deletions

diff --git a/examples/widgets/dialogs/standarddialogs/dialog.cpp b/examples/widgets/dialogs/standarddialogs/dialog.cpp
index df77d03567..77549e60f8 100644
--- a/examples/widgets/dialogs/standarddialogs/dialog.cpp
+++ b/examples/widgets/dialogs/standarddialogs/dialog.cpp
@@ -492,7 +492,7 @@ void Dialog::questionMessage()
 void Dialog::warningMessage()
 {
     QMessageBox msgBox(QMessageBox::Warning, tr("QMessageBox::warning()"),
-                       MESSAGE, nullptr, this);
+                       MESSAGE, { }, this);
     msgBox.setDetailedText(MESSAGE_DETAILS);
     msgBox.addButton(tr("Save &Again"), QMessageBox::AcceptRole);
     msgBox.addButton(tr("&Continue"), QMessageBox::RejectRole);
diff --git a/examples/widgets/graphicsview/embeddeddialogs/customproxy.h b/examples/widgets/graphicsview/embeddeddialogs/customproxy.h
index d7df2b7b4b..5aa0250a29 100644
--- a/examples/widgets/graphicsview/embeddeddialogs/customproxy.h
+++ b/examples/widgets/graphicsview/embeddeddialogs/customproxy.h
@@ -59,7 +59,7 @@ class CustomProxy : public QGraphicsProxyWidget
     Q_OBJECT
 
 public:
-    explicit CustomProxy(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = nullptr);
+    explicit CustomProxy(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = { });
 
     QRectF boundingRect() const override;
     void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
diff --git a/examples/widgets/layouts/flowlayout/flowlayout.cpp b/examples/widgets/layouts/flowlayout/flowlayout.cpp
index 5c59ae025c..9a488557cf 100644
--- a/examples/widgets/layouts/flowlayout/flowlayout.cpp
+++ b/examples/widgets/layouts/flowlayout/flowlayout.cpp
@@ -123,7 +123,7 @@ QLayoutItem *FlowLayout::takeAt(int index)
 //! [6]
 Qt::Orientations FlowLayout::expandingDirections() const
 {
-    return 0;
+    return { };
 }
 //! [6]
 
diff --git a/examples/widgets/mainwindows/mainwindow/colorswatch.h b/examples/widgets/mainwindows/mainwindow/colorswatch.h
index 7f73e46f31..2bd9fd2891 100644
--- a/examples/widgets/mainwindows/mainwindow/colorswatch.h
+++ b/examples/widgets/mainwindows/mainwindow/colorswatch.h
@@ -62,7 +62,7 @@ class ColorSwatch : public QDockWidget
     Q_OBJECT
 
 public:
-    explicit ColorSwatch(const QString &colorName, QMainWindow *parent = nullptr, Qt::WindowFlags flags = 0);
+    explicit ColorSwatch(const QString &colorName, QMainWindow *parent = nullptr, Qt::WindowFlags flags = { });
 
     void setCustomSizeHint(const QSize &size);
     QMenu *colorSwatchMenu() const { return menu; }
diff --git a/examples/widgets/mainwindows/mainwindow/mainwindow.h b/examples/widgets/mainwindows/mainwindow/mainwindow.h
index a2c9d30ded..3ce9732763 100644
--- a/examples/widgets/mainwindows/mainwindow/mainwindow.h
+++ b/examples/widgets/mainwindows/mainwindow/mainwindow.h
@@ -65,7 +65,7 @@ public:
 
     explicit MainWindow(const CustomSizeHintMap &customSizeHints,
                         QWidget *parent = nullptr,
-                        Qt::WindowFlags flags = 0);
+                        Qt::WindowFlags flags = { });
 
 public slots:
     void actionTriggered(QAction *action);