Cleanup QtWidgets examples

Cleanup QtWidgets examples:
 - use nullptr (clang-tidy)
 - use member-initialization
 - adjust the style
 - fix includes

Change-Id: Ic5448606aacc525ea60b615a69227017aa2b821a
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

1 files changed, 6 insertions, 6 deletions

diff --git a/examples/widgets/dialogs/licensewizard/licensewizard.h b/examples/widgets/dialogs/licensewizard/licensewizard.h
index c7709d88b3..e2890e484f 100644
--- a/examples/widgets/dialogs/licensewizard/licensewizard.h
+++ b/examples/widgets/dialogs/licensewizard/licensewizard.h
@@ -72,7 +72,7 @@ public:
            Page_Conclusion };
 //! [2]
 
-    LicenseWizard(QWidget *parent = 0);
+    LicenseWizard(QWidget *parent = nullptr);
 
 private slots:
     void showHelp();
@@ -86,7 +86,7 @@ class IntroPage : public QWizardPage
     Q_OBJECT
 
 public:
-    IntroPage(QWidget *parent = 0);
+    IntroPage(QWidget *parent = nullptr);
 
     int nextId() const override;
 
@@ -103,7 +103,7 @@ class EvaluatePage : public QWizardPage
     Q_OBJECT
 
 public:
-    EvaluatePage(QWidget *parent = 0);
+    EvaluatePage(QWidget *parent = nullptr);
 
     int nextId() const override;
 
@@ -120,7 +120,7 @@ class RegisterPage : public QWizardPage
     Q_OBJECT
 
 public:
-    RegisterPage(QWidget *parent = 0);
+    RegisterPage(QWidget *parent = nullptr);
 
     int nextId() const override;
 
@@ -136,7 +136,7 @@ class DetailsPage : public QWizardPage
     Q_OBJECT
 
 public:
-    DetailsPage(QWidget *parent = 0);
+    DetailsPage(QWidget *parent = nullptr);
 
     int nextId() const override;
 
@@ -155,7 +155,7 @@ class ConclusionPage : public QWizardPage
     Q_OBJECT
 
 public:
-    ConclusionPage(QWidget *parent = 0);
+    ConclusionPage(QWidget *parent = nullptr);
 
     void initializePage() override;
     int nextId() const override;