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>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/widgets/graphicsview/qgraphicswidget_p.cpp b/src/widgets/graphicsview/qgraphicswidget_p.cpp
index 0156faf8e4..e6f39d6803 100644
--- a/src/widgets/graphicsview/qgraphicswidget_p.cpp
+++ b/src/widgets/graphicsview/qgraphicswidget_p.cpp
@@ -322,7 +322,7 @@ void QGraphicsWidgetPrivate::initStyleOptionTitleBar(QStyleOptionTitleBar *optio
         option->titleBarState = Qt::WindowNoState;
     }
     QFont windowTitleFont = QApplication::font("QMdiSubWindowTitleBar");
-    QRect textRect = q->style()->subControlRect(QStyle::CC_TitleBar, option, QStyle::SC_TitleBarLabel, 0);
+    QRect textRect = q->style()->subControlRect(QStyle::CC_TitleBar, option, QStyle::SC_TitleBarLabel, nullptr);
     option->text = QFontMetrics(windowTitleFont).elidedText(
         windowData->windowTitle, Qt::ElideRight, textRect.width());
 }
@@ -690,7 +690,7 @@ void QGraphicsWidgetPrivate::windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent
             break;
         case Qt::TitleBarArea:
             windowData->buttonRect = q->style()->subControlRect(
-                QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarCloseButton, 0);
+                QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarCloseButton, nullptr);
             if (windowData->buttonRect.contains(pos.toPoint()))
                 windowData->buttonMouseOver = true;
             event->ignore();
@@ -707,7 +707,7 @@ void QGraphicsWidgetPrivate::windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent
     Q_UNUSED(cursorShape);
 #endif
     // update buttons if we hover over them
-    windowData->hoveredSubControl = q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &bar, pos.toPoint(), 0);
+    windowData->hoveredSubControl = q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &bar, pos.toPoint(), nullptr);
     if (windowData->hoveredSubControl != QStyle::SC_TitleBarCloseButton)
         windowData->hoveredSubControl = QStyle::SC_TitleBarLabel;
 
@@ -781,7 +781,7 @@ void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *new
 
     if (!parent && oldScene && oldScene != newScene && oldScene->d_func()->tabFocusFirst == q) {
         // detach from old scene's top level focus chain.
-        oldScene->d_func()->tabFocusFirst = (focusAfter != q) ? focusAfter : 0;
+        oldScene->d_func()->tabFocusFirst = (focusAfter != q) ? focusAfter : nullptr;
     }
 
     // detach from current focus chain; skip this widget subtree.