From ece0c0a5e7e0b18beb58ccd868bde54c7be64f78 Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@qt.io>
Date: Fri, 22 Nov 2019 14:46:58 +0100
Subject: Tidy nullptr usage

Move away from using 0 as pointer literal.

Done using clang-tidy. This is not complete as
run-clang-tidy can't handle all of qtbase in one go.

Change-Id: I1076a21f32aac0dab078af6f175f7508145eece0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
---
 src/widgets/widgets/qdialogbuttonbox.cpp | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

(limited to 'src/widgets/widgets/qdialogbuttonbox.cpp')

diff --git a/src/widgets/widgets/qdialogbuttonbox.cpp b/src/widgets/widgets/qdialogbuttonbox.cpp
index 9096ee82f6..9867cb5540 100644
--- a/src/widgets/widgets/qdialogbuttonbox.cpp
+++ b/src/widgets/widgets/qdialogbuttonbox.cpp
@@ -178,15 +178,15 @@ public:
 };
 
 QDialogButtonBoxPrivate::QDialogButtonBoxPrivate(Qt::Orientation orient)
-    : orientation(orient), buttonLayout(0), internalRemove(false), center(false)
+    : orientation(orient), buttonLayout(nullptr), internalRemove(false), center(false)
 {
 }
 
 void QDialogButtonBoxPrivate::initLayout()
 {
     Q_Q(QDialogButtonBox);
-    layoutPolicy = QDialogButtonBox::ButtonLayout(q->style()->styleHint(QStyle::SH_DialogButtonLayout, 0, q));
-    bool createNewLayout = buttonLayout == 0
+    layoutPolicy = QDialogButtonBox::ButtonLayout(q->style()->styleHint(QStyle::SH_DialogButtonLayout, nullptr, q));
+    bool createNewLayout = buttonLayout == nullptr
         || (orientation == Qt::Horizontal && qobject_cast<QVBoxLayout *>(buttonLayout) != 0)
         || (orientation == Qt::Vertical && qobject_cast<QHBoxLayout *>(buttonLayout) != 0);
     if (createNewLayout) {
@@ -329,8 +329,8 @@ void QDialogButtonBoxPrivate::layoutButtons()
         ++currentLayout;
     }
 
-    QWidget *lastWidget = 0;
-    q->setFocusProxy(0);
+    QWidget *lastWidget = nullptr;
+    q->setFocusProxy(nullptr);
     for (int i = 0; i < buttonLayout->count(); ++i) {
         QLayoutItem *item = buttonLayout->itemAt(i);
         if (QWidget *widget = item->widget()) {
@@ -408,13 +408,13 @@ QPushButton *QDialogButtonBoxPrivate::createButton(QDialogButtonBox::StandardBut
         icon = QStyle::SP_RestoreDefaultsButton;
         break;
     case QDialogButtonBox::NoButton:
-        return 0;
+        return nullptr;
         ;
     }
     QPushButton *button = new QPushButton(QGuiApplicationPrivate::platformTheme()->standardButtonText(sbutton), q);
     QStyle *style = q->style();
-    if (style->styleHint(QStyle::SH_DialogButtonBox_ButtonsHaveIcons, 0, q) && icon != 0)
-        button->setIcon(style->standardIcon(QStyle::StandardPixmap(icon), 0, q));
+    if (style->styleHint(QStyle::SH_DialogButtonBox_ButtonsHaveIcons, nullptr, q) && icon != 0)
+        button->setIcon(style->standardIcon(QStyle::StandardPixmap(icon), nullptr, q));
     if (style != QApplication::style()) // Propagate style
         button->setStyle(style);
     standardButtonHash.insert(button, sbutton);
@@ -743,7 +743,7 @@ void QDialogButtonBox::removeButton(QAbstractButton *button)
         }
     }
     if (!d->internalRemove)
-        button->setParent(0);
+        button->setParent(nullptr);
 }
 
 /*!
@@ -781,7 +781,7 @@ QPushButton *QDialogButtonBox::addButton(const QString &text, ButtonRole role)
     Q_D(QDialogButtonBox);
     if (Q_UNLIKELY(role <= InvalidRole || role >= NRoles)) {
         qWarning("QDialogButtonBox::addButton: Invalid ButtonRole, button not added");
-        return 0;
+        return nullptr;
     }
     QPushButton *button = new QPushButton(text, this);
     d->addButton(button, role);
@@ -963,7 +963,7 @@ bool QDialogButtonBox::event(QEvent *event)
         QList<QAbstractButton *> acceptRoleList = d->buttonLists[AcceptRole];
         QPushButton *firstAcceptButton = acceptRoleList.isEmpty() ? 0 : qobject_cast<QPushButton *>(acceptRoleList.at(0));
         bool hasDefault = false;
-        QWidget *dialog = 0;
+        QWidget *dialog = nullptr;
         QWidget *p = this;
         while (p && !p->isWindow()) {
             p = p->parentWidget();
-- 
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