Member initialization and default constructor for QProgressDialogPrivate

Change QProgressDialogPrivate to use default member initializers,
allowing its constructor to be explicitly defaulted since it was only
used for its member initializer list. Reduces #ifdefery.

Change-Id: Id3885e6d520cde47de96f3b475f6a6bba1ed001f
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

1 files changed, 15 insertions, 29 deletions

diff --git a/src/widgets/dialogs/qprogressdialog.cpp b/src/widgets/dialogs/qprogressdialog.cpp
index d0645a4e8a..645ca1013a 100644
--- a/src/widgets/dialogs/qprogressdialog.cpp
+++ b/src/widgets/dialogs/qprogressdialog.cpp
@@ -68,21 +68,7 @@ class QProgressDialogPrivate : public QDialogPrivate
     Q_DECLARE_PUBLIC(QProgressDialog)
 
 public:
-    QProgressDialogPrivate() : label(nullptr), cancel(nullptr), bar(nullptr),
-    #ifndef QT_NO_SHORTCUT
-        escapeShortcut(nullptr),
-    #endif
-        showTime(defaultShowTime),
-        processingEvents(false),
-        shownOnce(false),
-        autoClose(true),
-        autoReset(true),
-        forceHide(false),
-        cancellationFlag(false),
-        setValueCalled(false),
-        useDefaultCancelText(false)
-    {
-    }
+    QProgressDialogPrivate() = default;
 
     void init(const QString &labelText, const QString &cancelText, int min, int max);
     void layout();
@@ -92,25 +78,25 @@ public:
     void ensureSizeIsAtLeastSizeHint();
     void _q_disconnectOnClose();
 
-    QLabel *label;
-    QPushButton *cancel;
-    QProgressBar *bar;
-    QTimer *forceTimer;
+    QLabel *label = nullptr;
+    QPushButton *cancel = nullptr;
+    QProgressBar *bar = nullptr;
+    QTimer *forceTimer = nullptr;
 #ifndef QT_NO_SHORTCUT
-    QShortcut *escapeShortcut;
+    QShortcut *escapeShortcut = nullptr;
 #endif
     QPointer<QObject> receiverToDisconnectOnClose;
     QElapsedTimer starttime;
     QByteArray memberToDisconnectOnClose;
-    int showTime;
-    bool processingEvents;
-    bool shownOnce;
-    bool autoClose;
-    bool autoReset;
-    bool forceHide;
-    bool cancellationFlag;
-    bool setValueCalled;
-    bool useDefaultCancelText;
+    int showTime = defaultShowTime;
+    bool processingEvents = false;
+    bool shownOnce = false;
+    bool autoClose = true;
+    bool autoReset = true;
+    bool forceHide = false;
+    bool cancellationFlag = false;
+    bool setValueCalled = false;
+    bool useDefaultCancelText = false;
 };
 
 void QProgressDialogPrivate::init(const QString &labelText, const QString &cancelText,