Modernize: Use nullptr everywhere

15 files changed, 46 insertions, 46 deletions

diff --git a/src/views/dolphinitemlistview.h b/src/views/dolphinitemlistview.h
index 7b3f1f8d0..ff14fbe7c 100644
--- a/src/views/dolphinitemlistview.h
+++ b/src/views/dolphinitemlistview.h
@@ -39,7 +39,7 @@ class DOLPHIN_EXPORT DolphinItemListView : public KFileItemListView
     Q_OBJECT
 
 public:
-    explicit DolphinItemListView(QGraphicsWidget* parent = 0);
+    explicit DolphinItemListView(QGraphicsWidget* parent = nullptr);
     ~DolphinItemListView() override;
 
     void setZoomLevel(int level);
diff --git a/src/views/dolphinnewfilemenuobserver.cpp b/src/views/dolphinnewfilemenuobserver.cpp
index 275e1c4fb..6379adb31 100644
--- a/src/views/dolphinnewfilemenuobserver.cpp
+++ b/src/views/dolphinnewfilemenuobserver.cpp
@@ -54,7 +54,7 @@ void DolphinNewFileMenuObserver::detach(const DolphinNewFileMenu* menu)
 }
 
 DolphinNewFileMenuObserver::DolphinNewFileMenuObserver() :
-    QObject(0)
+    QObject(nullptr)
 {
 }
 
diff --git a/src/views/dolphinview.cpp b/src/views/dolphinview.cpp
index cd802eec1..10382c57d 100644
--- a/src/views/dolphinview.cpp
+++ b/src/views/dolphinview.cpp
@@ -87,19 +87,19 @@ DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
     m_viewPropertiesContext(),
     m_mode(DolphinView::IconsView),
     m_visibleRoles(),
-    m_topLayout(0),
-    m_model(0),
-    m_view(0),
-    m_container(0),
-    m_toolTipManager(0),
-    m_selectionChangedTimer(0),
+    m_topLayout(nullptr),
+    m_model(nullptr),
+    m_view(nullptr),
+    m_container(nullptr),
+    m_toolTipManager(nullptr),
+    m_selectionChangedTimer(nullptr),
     m_currentItemUrl(),
     m_scrollToCurrentItem(false),
     m_restoredContentsPosition(),
     m_selectedUrls(),
     m_clearSelectionBeforeSelectingNewItems(false),
     m_markFirstNewlySelectedItemAsCurrent(false),
-    m_versionControlObserver(0),
+    m_versionControlObserver(nullptr),
     m_twoClicksRenamingTimer(nullptr)
 {
     m_topLayout = new QVBoxLayout(this);
@@ -912,7 +912,7 @@ void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 #endif
 
     QString groupName;
-    QMenu* groupMenu = 0;
+    QMenu* groupMenu = nullptr;
 
     // Add all roles to the menu that can be shown or hidden by the user
     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
@@ -923,7 +923,7 @@ void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
         }
 
         const QString text = m_model->roleDescription(info.role);
-        QAction* action = 0;
+        QAction* action = nullptr;
         if (info.group.isEmpty()) {
             action = menu->addAction(text);
         } else {
@@ -1094,11 +1094,11 @@ void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *
 
 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
 {
-    if (previous != 0) {
+    if (previous != nullptr) {
         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
-        m_versionControlObserver->setModel(0);
+        m_versionControlObserver->setModel(nullptr);
     }
 
     if (current) {
diff --git a/src/views/dolphinviewactionhandler.cpp b/src/views/dolphinviewactionhandler.cpp
index 10aae11ce..9debd5173 100644
--- a/src/views/dolphinviewactionhandler.cpp
+++ b/src/views/dolphinviewactionhandler.cpp
@@ -49,7 +49,7 @@
 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent) :
     QObject(parent),
     m_actionCollection(collection),
-    m_currentView(0),
+    m_currentView(nullptr),
     m_sortByActions(),
     m_visibleRoles()
 {
@@ -62,7 +62,7 @@ void DolphinViewActionHandler::setCurrentView(DolphinView* view)
     Q_ASSERT(view);
 
     if (m_currentView) {
-        disconnect(m_currentView, 0, this, 0);
+        disconnect(m_currentView, nullptr, this, nullptr);
     }
 
     m_currentView = view;
@@ -233,8 +233,8 @@ QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QSt
     }
 
     QString groupName;
-    KActionMenu* groupMenu = 0;
-    QActionGroup* groupMenuGroup = 0;
+    KActionMenu* groupMenu = nullptr;
+    QActionGroup* groupMenuGroup = nullptr;
 
     bool indexingEnabled = false;
 #ifdef HAVE_BALOO
@@ -249,7 +249,7 @@ QActionGroup* DolphinViewActionHandler::createFileItemRolesActionGroup(const QSt
             continue;
         }
 
-        KToggleAction* action = 0;
+        KToggleAction* action = nullptr;
         const QString name = groupPrefix + info.role;
         if (info.group.isEmpty()) {
             action = m_actionCollection->add<KToggleAction>(name);
@@ -590,7 +590,7 @@ void DolphinViewActionHandler::slotAdjustViewProperties()
 
 void DolphinViewActionHandler::slotProperties()
 {
-    KPropertiesDialog* dialog = 0;
+    KPropertiesDialog* dialog = nullptr;
     const KFileItemList list = m_currentView->selectedItems();
     if (list.isEmpty()) {
         const QUrl url = m_currentView->url();
diff --git a/src/views/draganddrophelper.cpp b/src/views/draganddrophelper.cpp
index 831a9d43e..e944227df 100644
--- a/src/views/draganddrophelper.cpp
+++ b/src/views/draganddrophelper.cpp
@@ -60,6 +60,6 @@ KIO::DropJob* DragAndDropHelper::dropUrls(const QUrl& destUrl, QDropEvent* event
         return job;
     }
 
-    return 0;
+    return nullptr;
 }
 
diff --git a/src/views/renamedialog.cpp b/src/views/renamedialog.cpp
index 6309bfbdf..79421a5ef 100644
--- a/src/views/renamedialog.cpp
+++ b/src/views/renamedialog.cpp
@@ -39,10 +39,10 @@ RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
     QDialog(parent),
     m_renameOneItem(false),
     m_newName(),
-    m_lineEdit(0),
+    m_lineEdit(nullptr),
     m_items(items),
     m_allExtensionsDifferent(true),
-    m_spinBox(0)
+    m_spinBox(nullptr)
 {
     const QSize minSize = minimumSize();
     setMinimumSize(QSize(320, minSize.height()));
@@ -72,7 +72,7 @@ RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
 
     QVBoxLayout* topLayout = new QVBoxLayout(page);
 
-    QLabel* editLabel = 0;
+    QLabel* editLabel = nullptr;
     if (m_renameOneItem) {
         m_newName = items.first().name();
         editLabel = new QLabel(xi18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
diff --git a/src/views/tooltips/dolphinfilemetadatawidget.cpp b/src/views/tooltips/dolphinfilemetadatawidget.cpp
index 52eeb3b71..cabfc0617 100644
--- a/src/views/tooltips/dolphinfilemetadatawidget.cpp
+++ b/src/views/tooltips/dolphinfilemetadatawidget.cpp
@@ -41,9 +41,9 @@
 
 DolphinFileMetaDataWidget::DolphinFileMetaDataWidget(QWidget* parent) :
     QWidget(parent),
-    m_preview(0),
-    m_name(0),
-    m_fileMetaDataWidget(0)
+    m_preview(nullptr),
+    m_name(nullptr),
+    m_fileMetaDataWidget(nullptr)
 {
     // Create widget for file preview
     m_preview = new QLabel(this);
diff --git a/src/views/tooltips/dolphinfilemetadatawidget.h b/src/views/tooltips/dolphinfilemetadatawidget.h
index 0b9add581..6dcc5237c 100644
--- a/src/views/tooltips/dolphinfilemetadatawidget.h
+++ b/src/views/tooltips/dolphinfilemetadatawidget.h
@@ -45,7 +45,7 @@ class DolphinFileMetaDataWidget : public QWidget
     Q_OBJECT
 
 public:
-    DolphinFileMetaDataWidget(QWidget* parent = 0);
+    DolphinFileMetaDataWidget(QWidget* parent = nullptr);
     ~DolphinFileMetaDataWidget() override;
 
     void setPreview(const QPixmap& pixmap);
diff --git a/src/views/tooltips/tooltipmanager.cpp b/src/views/tooltips/tooltipmanager.cpp
index 9375172eb..3d3598ff5 100644
--- a/src/views/tooltips/tooltipmanager.cpp
+++ b/src/views/tooltips/tooltipmanager.cpp
@@ -35,10 +35,10 @@
 
 ToolTipManager::ToolTipManager(QWidget* parent) :
     QObject(parent),
-    m_showToolTipTimer(0),
-    m_contentRetrievalTimer(0),
-    m_transientParent(0),
-    m_fileMetaDataWidget(0),
+    m_showToolTipTimer(nullptr),
+    m_contentRetrievalTimer(nullptr),
+    m_transientParent(nullptr),
+    m_fileMetaDataWidget(nullptr),
     m_toolTipRequested(false),
     m_metaDataRequested(false),
     m_appliedWaitCursor(false),
diff --git a/src/views/versioncontrol/kversioncontrolplugin.h b/src/views/versioncontrol/kversioncontrolplugin.h
index b9b1f0b5b..a3be381f3 100644
--- a/src/views/versioncontrol/kversioncontrolplugin.h
+++ b/src/views/versioncontrol/kversioncontrolplugin.h
@@ -144,7 +144,7 @@ public:
         MissingVersion
     };
 
-    KVersionControlPlugin(QObject* parent = 0);
+    KVersionControlPlugin(QObject* parent = nullptr);
     ~KVersionControlPlugin() override;
 
     /**
diff --git a/src/views/versioncontrol/updateitemstatesthread.cpp b/src/views/versioncontrol/updateitemstatesthread.cpp
index e4413fabf..574402dcd 100644
--- a/src/views/versioncontrol/updateitemstatesthread.cpp
+++ b/src/views/versioncontrol/updateitemstatesthread.cpp
@@ -25,7 +25,7 @@
 UpdateItemStatesThread::UpdateItemStatesThread(KVersionControlPlugin* plugin,
                                                const QMap<QString, QVector<VersionControlObserver::ItemState> >& itemStates) :
     QThread(),
-    m_globalPluginMutex(0),
+    m_globalPluginMutex(nullptr),
     m_plugin(plugin),
     m_itemStates(itemStates)
 {
diff --git a/src/views/versioncontrol/versioncontrolobserver.cpp b/src/views/versioncontrol/versioncontrolobserver.cpp
index c79440882..44dffac45 100644
--- a/src/views/versioncontrol/versioncontrolobserver.cpp
+++ b/src/views/versioncontrol/versioncontrolobserver.cpp
@@ -37,10 +37,10 @@ VersionControlObserver::VersionControlObserver(QObject* parent) :
     m_pendingItemStatesUpdate(false),
     m_versionedDirectory(false),
     m_silentUpdate(false),
-    m_model(0),
-    m_dirVerificationTimer(0),
-    m_plugin(0),
-    m_updateItemStatesThread(0)
+    m_model(nullptr),
+    m_dirVerificationTimer(nullptr),
+    m_plugin(nullptr),
+    m_updateItemStatesThread(nullptr)
 {
     // The verification timer specifies the timeout until the shown directory
     // is checked whether it is versioned. Per default it is assumed that users
@@ -58,7 +58,7 @@ VersionControlObserver::~VersionControlObserver()
 {
     if (m_plugin) {
         m_plugin->disconnect(this);
-        m_plugin = 0;
+        m_plugin = nullptr;
     }
 }
 
@@ -163,7 +163,7 @@ void VersionControlObserver::verifyDirectory()
 void VersionControlObserver::slotThreadFinished()
 {
     UpdateItemStatesThread* thread = m_updateItemStatesThread;
-    m_updateItemStatesThread = 0; // The thread deletes itself automatically (see updateItemStates())
+    m_updateItemStatesThread = nullptr; // The thread deletes itself automatically (see updateItemStates())
 
     if (!m_plugin || !thread) {
         return;
@@ -266,7 +266,7 @@ KVersionControlPlugin* VersionControlObserver::searchPlugin(const QUrl& director
     if (!pluginsAvailable) {
         // A searching for plugins has already been done, but no
         // plugins are installed
-        return 0;
+        return nullptr;
     }
 
     if (plugins.isEmpty()) {
@@ -285,13 +285,13 @@ KVersionControlPlugin* VersionControlObserver::searchPlugin(const QUrl& director
         }
         if (plugins.isEmpty()) {
             pluginsAvailable = false;
-            return 0;
+            return nullptr;
         }
     }
 
     // We use the number of upUrl() calls to find the best matching plugin
     // for the given directory. The smaller value, the better it is (0 is best).
-    KVersionControlPlugin* bestPlugin = 0;
+    KVersionControlPlugin* bestPlugin = nullptr;
     int bestScore = INT_MAX;
 
     // Verify whether the current directory contains revision information
diff --git a/src/views/versioncontrol/versioncontrolobserver.h b/src/views/versioncontrol/versioncontrolobserver.h
index 0b702f5f1..2c2fe2940 100644
--- a/src/views/versioncontrol/versioncontrolobserver.h
+++ b/src/views/versioncontrol/versioncontrolobserver.h
@@ -50,7 +50,7 @@ class DOLPHIN_EXPORT VersionControlObserver : public QObject
     Q_OBJECT
 
 public:
-    explicit VersionControlObserver(QObject* parent = 0);
+    explicit VersionControlObserver(QObject* parent = nullptr);
     ~VersionControlObserver() override;
 
     void setModel(KFileItemModel* model);
diff --git a/src/views/viewmodecontroller.h b/src/views/viewmodecontroller.h
index 015fdec85..6fa43c38b 100644
--- a/src/views/viewmodecontroller.h
+++ b/src/views/viewmodecontroller.h
@@ -38,7 +38,7 @@ class DOLPHIN_EXPORT ViewModeController : public QObject
     Q_OBJECT
 
 public:
-    explicit ViewModeController(QObject* parent = 0);
+    explicit ViewModeController(QObject* parent = nullptr);
     ~ViewModeController() override;
 
     /**
diff --git a/src/views/viewproperties.cpp b/src/views/viewproperties.cpp
index ca52be890..e2be18819 100644
--- a/src/views/viewproperties.cpp
+++ b/src/views/viewproperties.cpp
@@ -50,7 +50,7 @@ namespace {
 ViewProperties::ViewProperties(const QUrl& url) :
     m_changedProps(false),
     m_autoSave(true),
-    m_node(0)
+    m_node(nullptr)
 {
     GeneralSettings* settings = GeneralSettings::self();
     const bool useGlobalViewProps = settings->globalViewProps() || url.isEmpty();
@@ -140,7 +140,7 @@ ViewProperties::~ViewProperties()
     }
 
     delete m_node;
-    m_node = 0;
+    m_node = nullptr;
 }
 
 void ViewProperties::setViewMode(DolphinView::Mode mode)