Convert some 0 to nullptr

Change-Id: Ib3ca8e2cc0d63fd35582c73b3cf7c915fb64ddfb
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/modelinglib/qmt/diagram_controller/diagramcontroller.cpp

@@ -326,8 +326,8 @@ private:
 
 DiagramController::DiagramController(QObject *parent)
     : QObject(parent),
-      m_modelController(0),
+      m_modelController(nullptr),
-      m_undoController(0)
+      m_undoController(nullptr)
 {
 }
 

src/libs/modelinglib/qmt/diagram_scene/diagramscenemodelitemvisitors.cpp

@@ -54,7 +54,7 @@ namespace qmt {
 
 DiagramSceneModel::CreationVisitor::CreationVisitor(DiagramSceneModel *diagramSceneModel)
     : m_diagramSceneModel(diagramSceneModel),
-      m_graphicsItem(0)
+      m_graphicsItem(nullptr)
 {
 }
 

src/libs/modelinglib/qmt/diagram_scene/latchcontroller.cpp

@@ -41,7 +41,7 @@ namespace qmt {
 
 LatchController::LatchController(QObject *parent)
     : QObject(parent),
-      m_diagramSceneModel(0),
+      m_diagramSceneModel(nullptr),
       m_horizontalAlignLine(new AlignLineItem(AlignLineItem::Horizontal, 0)),
       m_verticalAlignLine(new AlignLineItem(AlignLineItem::Vertical, 0)),
       m_foundHorizontalLatch(false),

src/libs/modelinglib/qmt/diagram_scene/parts/arrowitem.cpp

@@ -248,9 +248,9 @@ ArrowItem::ArrowItem(const ArrowItem &rhs, QGraphicsItem *parent)
       m_arrowSize(rhs.m_arrowSize),
       m_diamondSize(rhs.m_diamondSize),
       m_startHead(rhs.m_startHead),
-      m_startHeadItem(0),
+      m_startHeadItem(nullptr),
       m_endHead(rhs.m_endHead),
-      m_endHeadItem(0)
+      m_endHeadItem(nullptr)
 {
 }
 

src/libs/modelinglib/qmt/diagram_scene/parts/arrowitem.h

@@ -88,13 +88,13 @@ private:
     void updateGeometry();
 
     Shaft m_shaft = ShaftSolid;
-    GraphicsShaftItem *m_shaftItem = 0;
+    GraphicsShaftItem *m_shaftItem = nullptr;
     double m_arrowSize = 10.0;
     double m_diamondSize = 15.0;
     Head m_startHead = HeadNone;
-    GraphicsHeadItem *m_startHeadItem = 0;
+    GraphicsHeadItem *m_startHeadItem = nullptr;
     Head m_endHead = HeadNone;
-    GraphicsHeadItem *m_endHeadItem = 0;
+    GraphicsHeadItem *m_endHeadItem = nullptr;
     QList<QPointF> m_points;
 };
 

src/libs/modelinglib/qmt/diagram_ui/sceneinspector.cpp

@@ -39,7 +39,7 @@ namespace qmt {
 
 SceneInspector::SceneInspector(QObject *parent)
     : QObject(parent),
-      m_diagramsManager(0)
+      m_diagramsManager(nullptr)
 {
 }
 

src/libs/modelinglib/qmt/diagram_widgets_ui/diagramsview.cpp

@@ -38,7 +38,7 @@ namespace qmt {
 
 DiagramsView::DiagramsView(QWidget *parent)
     : QTabWidget(parent),
-      m_diagramsManager(0)
+      m_diagramsManager(nullptr)
 {
     setTabsClosable(true);
     setMovable(true);

src/libs/modelinglib/qmt/diagram_widgets_ui/stackeddiagramsview.cpp

@@ -38,7 +38,7 @@ namespace qmt {
 
 StackedDiagramsView::StackedDiagramsView(QWidget *parent)
     : QStackedWidget(parent),
-      m_diagramsManager(0)
+      m_diagramsManager(nullptr)
 {
     connect(this, &QStackedWidget::currentChanged, this, &StackedDiagramsView::onCurrentChanged);
 }

src/libs/modelinglib/qmt/model_ui/treemodelmanager.cpp

@@ -39,8 +39,8 @@ namespace qmt {
 
 TreeModelManager::TreeModelManager(QObject *parent) :
     QObject(parent),
-    m_treeModel(0),
+    m_treeModel(nullptr),
-    m_modelTreeView(0)
+    m_modelTreeView(nullptr)
 {
 }
 

src/libs/modelinglib/qmt/model_widgets_ui/modeltreeview.cpp

@@ -49,8 +49,8 @@ namespace qmt {
 
 ModelTreeView::ModelTreeView(QWidget *parent)
     : QTreeView(parent),
-      m_sortedTreeModel(0),
+      m_sortedTreeModel(nullptr),
-      m_elementTasks(0)
+      m_elementTasks(nullptr)
 {
     setHeaderHidden(true);
     setSortingEnabled(false);

src/libs/modelinglib/qmt/tasks/finddiagramvisitor.cpp

@@ -32,7 +32,7 @@ namespace qmt {
 
 FindDiagramVisitor::FindDiagramVisitor()
     : MVoidConstVisitor(),
-      m_diagram(0)
+      m_diagram(nullptr)
 {
 }
 

src/libs/modelinglib/qmt/tasks/findrootdiagramvisitor.cpp

@@ -31,7 +31,7 @@ namespace qmt {
 
 FindRootDiagramVisitor::FindRootDiagramVisitor()
     : MVoidVisitor(),
-      m_diagram(0)
+      m_diagram(nullptr)
 {
 }
 

src/libs/qmleditorwidgets/contextpanewidgetimage.cpp

@@ -67,7 +67,7 @@ bool WheelFilter::eventFilter(QObject *obj, QEvent *event)
 
 ContextPaneWidgetImage::ContextPaneWidgetImage(QWidget *parent, bool borderImage) :
     QWidget(parent),
-    ui(0), uiBorderImage(0), previewWasVisible(false)
+    ui(nullptr), uiBorderImage(nullptr), previewWasVisible(false)
 {
     LabelFilter *labelFilter = new LabelFilter(this);
 

src/libs/utils/changeset.cpp

@@ -30,12 +30,12 @@
 namespace Utils {
 
 ChangeSet::ChangeSet()
-    : m_string(0), m_cursor(0), m_error(false)
+    : m_string(nullptr), m_cursor(nullptr), m_error(false)
 {
 }
 
 ChangeSet::ChangeSet(const QList<EditOp> &operations)
-    : m_string(0), m_cursor(0), m_operationList(operations), m_error(false)
+    : m_string(nullptr), m_cursor(nullptr), m_operationList(operations), m_error(false)
 {
 }
 

src/libs/utils/detailswidget.cpp

@@ -94,8 +94,8 @@ DetailsWidgetPrivate::DetailsWidgetPrivate(QWidget *parent) :
         m_summaryLabel(new QLabel(parent)),
         m_summaryCheckBox(new QCheckBox(parent)),
         m_additionalSummaryLabel(new QLabel(parent)),
-        m_toolWidget(0),
+        m_toolWidget(nullptr),
-        m_widget(0),
+        m_widget(nullptr),
         m_state(DetailsWidget::Collapsed),
         m_hovered(false),
         m_useCheckBox(false)

src/libs/utils/mimetypes/mimedatabase.cpp

@@ -76,14 +76,14 @@ MimeDatabasePrivate *MimeDatabasePrivate::instance()
 }
 
 MimeDatabasePrivate::MimeDatabasePrivate()
-    : m_provider(0), m_defaultMimeType(QLatin1String("application/octet-stream"))
+    : m_provider(nullptr), m_defaultMimeType(QLatin1String("application/octet-stream"))
 {
 }
 
 MimeDatabasePrivate::~MimeDatabasePrivate()
 {
     delete m_provider;
-    m_provider = 0;
+    m_provider = nullptr;
 }
 
 MimeProviderBase *MimeDatabasePrivate::provider()

src/plugins/coreplugin/dialogs/newdialog.cpp

@@ -191,7 +191,7 @@ QWidget *NewDialog::m_currentDialog = nullptr;
 NewDialog::NewDialog(QWidget *parent) :
     QDialog(parent),
     m_ui(new Ui::NewDialog),
-    m_okButton(0)
+    m_okButton(nullptr)
 {
     QTC_CHECK(m_currentDialog == nullptr);
 

src/plugins/coreplugin/locator/directoryfilter.cpp

@@ -35,7 +35,7 @@ using namespace Core;
 using namespace Core::Internal;
 
 DirectoryFilter::DirectoryFilter(Id id)
-    : m_dialog(0)
+    : m_dialog(nullptr)
 {
     setId(id);
     setIncludedByDefault(true);

src/plugins/coreplugin/progressmanager/progressview.cpp

@@ -32,7 +32,7 @@ using namespace Core;
 using namespace Core::Internal;
 
 ProgressView::ProgressView(QWidget *parent)
-    : QWidget(parent), m_referenceWidget(0), m_hovered(false)
+    : QWidget(parent), m_referenceWidget(nullptr), m_hovered(false)
 {
     m_layout = new QVBoxLayout;
     setLayout(m_layout);

src/plugins/coreplugin/systemsettings.cpp

@@ -49,7 +49,7 @@ namespace Core {
 namespace Internal {
 
 SystemSettings::SystemSettings()
-    : m_page(0), m_dialog(0)
+    : m_page(nullptr), m_dialog(0)
 {
     setId(Constants::SETTINGS_ID_SYSTEM);
     setDisplayName(tr("System"));

src/plugins/debugger/sourceagent.cpp

@@ -69,7 +69,7 @@ public:
 
 SourceAgentPrivate::SourceAgentPrivate()
   : editor(0)
-  , locationMark(0)
+  , locationMark(nullptr)
   , producer(QLatin1String("remote"))
 {
 }
@@ -91,7 +91,7 @@ SourceAgent::SourceAgent(DebuggerEngine *engine)
 SourceAgent::~SourceAgent()
 {
     delete d;
-    d = 0;
+    d = nullptr;
 }
 
 void SourceAgent::setSourceProducerName(const QString &name)

src/plugins/projectexplorer/processparameters.cpp

@@ -47,7 +47,7 @@
 using namespace ProjectExplorer;
 
 ProcessParameters::ProcessParameters() :
-    m_macroExpander(0),
+    m_macroExpander(nullptr),
     m_commandMissing(false)
 {
 }

src/plugins/texteditor/fontsettingspage.cpp

@@ -172,7 +172,7 @@ FontSettingsPagePrivate::FontSettingsPagePrivate(const FormatDescriptions &fd,
     m_displayName(displayName),
     m_settingsGroup(Utils::settingsKey(category)),
     m_descriptions(fd),
-    m_ui(0),
+    m_ui(nullptr),
     m_schemeListModel(new SchemeListModel),
     m_refreshingSchemeList(false)
 {

src/plugins/texteditor/generichighlighter/highlightersettingspage.cpp

@@ -59,7 +59,7 @@ HighlighterSettingsPagePrivate(Core::Id id) :
     m_id(id),
     m_displayName(tr("Generic Highlighter")),
     m_settingsPrefix(QLatin1String("Text")),
-    m_page(0)
+    m_page(nullptr)
 {}
 
 void HighlighterSettingsPage::HighlighterSettingsPagePrivate::ensureInitialized()