Modernize: Use nullptr everywhere

21 files changed, 60 insertions, 60 deletions

diff --git a/src/settings/additionalinfodialog.cpp b/src/settings/additionalinfodialog.cpp
index 4589b5d44..3eacd522f 100644
--- a/src/settings/additionalinfodialog.cpp
+++ b/src/settings/additionalinfodialog.cpp
@@ -41,7 +41,7 @@ AdditionalInfoDialog::AdditionalInfoDialog(QWidget* parent,
                                            const QList<QByteArray>& visibleRoles) :
     QDialog(parent),
     m_visibleRoles(visibleRoles),
-    m_listWidget(0)
+    m_listWidget(nullptr)
 {
     setWindowTitle(i18nc("@title:window", "Additional Information"));
     setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
diff --git a/src/settings/applyviewpropsjob.cpp b/src/settings/applyviewpropsjob.cpp
index 591966759..59f8c8eee 100644
--- a/src/settings/applyviewpropsjob.cpp
+++ b/src/settings/applyviewpropsjob.cpp
@@ -26,7 +26,7 @@
 ApplyViewPropsJob::ApplyViewPropsJob(const QUrl& dir,
                                      const ViewProperties& viewProps) :
     KIO::Job(),
-    m_viewProps(0),
+    m_viewProps(nullptr),
     m_progress(0),
     m_dir(dir)
 {
@@ -46,7 +46,7 @@ ApplyViewPropsJob::ApplyViewPropsJob(const QUrl& dir,
 ApplyViewPropsJob::~ApplyViewPropsJob()
 {
     delete m_viewProps;  // the properties are written by the destructor
-    m_viewProps = 0;
+    m_viewProps = nullptr;
 }
 
 void ApplyViewPropsJob::slotEntries(KIO::Job*, const KIO::UDSEntryList& list)
diff --git a/src/settings/dolphinsettingsdialog.h b/src/settings/dolphinsettingsdialog.h
index ca35b0aad..4c8768fde 100644
--- a/src/settings/dolphinsettingsdialog.h
+++ b/src/settings/dolphinsettingsdialog.h
@@ -36,7 +36,7 @@ class DolphinSettingsDialog : public KPageDialog
     Q_OBJECT
 
 public:
-    explicit DolphinSettingsDialog(const QUrl& url, QWidget* parent = 0);
+    explicit DolphinSettingsDialog(const QUrl& url, QWidget* parent = nullptr);
     ~DolphinSettingsDialog() override;
 
 signals:
diff --git a/src/settings/general/confirmationssettingspage.cpp b/src/settings/general/confirmationssettingspage.cpp
index 2419dc0f4..90dd0ad37 100644
--- a/src/settings/general/confirmationssettingspage.cpp
+++ b/src/settings/general/confirmationssettingspage.cpp
@@ -35,9 +35,9 @@ namespace {
 
 ConfirmationsSettingsPage::ConfirmationsSettingsPage(QWidget* parent) :
     SettingsPageBase(parent),
-    m_confirmMoveToTrash(0),
-    m_confirmDelete(0),
-    m_confirmClosingMultipleTabs(0)
+    m_confirmMoveToTrash(nullptr),
+    m_confirmDelete(nullptr),
+    m_confirmClosingMultipleTabs(nullptr)
 {
     QVBoxLayout* topLayout = new QVBoxLayout(this);
 
diff --git a/src/settings/general/generalsettingspage.cpp b/src/settings/general/generalsettingspage.cpp
index d8f61ef90..f9a2c67d0 100644
--- a/src/settings/general/generalsettingspage.cpp
+++ b/src/settings/general/generalsettingspage.cpp
@@ -65,7 +65,7 @@ GeneralSettingsPage::GeneralSettingsPage(const QUrl& url, QWidget* parent) :
     m_pages.append(confirmationsPage);
     m_pages.append(statusBarPage);
 
-    topLayout->addWidget(tabWidget, 0, 0);
+    topLayout->addWidget(tabWidget, 0, nullptr);
 }
 
 GeneralSettingsPage::~GeneralSettingsPage()
diff --git a/src/settings/general/previewssettingspage.cpp b/src/settings/general/previewssettingspage.cpp
index b88977af5..e579a572d 100644
--- a/src/settings/general/previewssettingspage.cpp
+++ b/src/settings/general/previewssettingspage.cpp
@@ -52,9 +52,9 @@ namespace {
 PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
     SettingsPageBase(parent),
     m_initialized(false),
-    m_listView(0),
+    m_listView(nullptr),
     m_enabledPreviewPlugins(),
-    m_remoteFileSizeBox(0)
+    m_remoteFileSizeBox(nullptr)
 {
     QVBoxLayout* topLayout = new QVBoxLayout(this);
 
diff --git a/src/settings/kcm/kcmdolphingeneral.cpp b/src/settings/kcm/kcmdolphingeneral.cpp
index f5ac4cd55..3aedf5075 100644
--- a/src/settings/kcm/kcmdolphingeneral.cpp
+++ b/src/settings/kcm/kcmdolphingeneral.cpp
@@ -65,7 +65,7 @@ DolphinGeneralConfigModule::DolphinGeneralConfigModule(QWidget* parent, const QV
     m_pages.append(previewsPage);
     m_pages.append(confirmationsPage);
 
-    topLayout->addWidget(tabWidget, 0, 0);
+    topLayout->addWidget(tabWidget, 0, nullptr);
 }
 
 DolphinGeneralConfigModule::~DolphinGeneralConfigModule()
diff --git a/src/settings/kcm/kcmdolphinnavigation.cpp b/src/settings/kcm/kcmdolphinnavigation.cpp
index 9ec6ca166..54cf7ed3c 100644
--- a/src/settings/kcm/kcmdolphinnavigation.cpp
+++ b/src/settings/kcm/kcmdolphinnavigation.cpp
@@ -30,7 +30,7 @@ K_PLUGIN_FACTORY(KCMDolphinNavigationConfigFactory, registerPlugin<DolphinNaviga
 
 DolphinNavigationConfigModule::DolphinNavigationConfigModule(QWidget* parent, const QVariantList& args) :
     KCModule(parent),
-    m_navigation(0)
+    m_navigation(nullptr)
 {
     Q_UNUSED(args);
 
@@ -41,7 +41,7 @@ DolphinNavigationConfigModule::DolphinNavigationConfigModule(QWidget* parent, co
 
     m_navigation = new NavigationSettingsPage(this);
     connect(m_navigation, &NavigationSettingsPage::changed, this, static_cast<void(DolphinNavigationConfigModule::*)()>(&DolphinNavigationConfigModule::changed));
-    topLayout->addWidget(m_navigation, 0, 0);
+    topLayout->addWidget(m_navigation, 0, nullptr);
 }
 
 DolphinNavigationConfigModule::~DolphinNavigationConfigModule()
diff --git a/src/settings/kcm/kcmdolphinservices.cpp b/src/settings/kcm/kcmdolphinservices.cpp
index 39136724e..5d011c627 100644
--- a/src/settings/kcm/kcmdolphinservices.cpp
+++ b/src/settings/kcm/kcmdolphinservices.cpp
@@ -30,7 +30,7 @@ K_PLUGIN_FACTORY(KCMDolphinServicesConfigFactory, registerPlugin<DolphinServices
 
 DolphinServicesConfigModule::DolphinServicesConfigModule(QWidget* parent, const QVariantList& args) :
     KCModule(parent),
-    m_services(0)
+    m_services(nullptr)
 {
     Q_UNUSED(args);
 
@@ -41,7 +41,7 @@ DolphinServicesConfigModule::DolphinServicesConfigModule(QWidget* parent, const
 
     m_services = new ServicesSettingsPage(this);
     connect(m_services, &ServicesSettingsPage::changed, this, static_cast<void(DolphinServicesConfigModule::*)()>(&DolphinServicesConfigModule::changed));
-    topLayout->addWidget(m_services, 0, 0);
+    topLayout->addWidget(m_services, 0, nullptr);
 }
 
 DolphinServicesConfigModule::~DolphinServicesConfigModule()
diff --git a/src/settings/kcm/kcmdolphinviewmodes.cpp b/src/settings/kcm/kcmdolphinviewmodes.cpp
index 710ebc70b..af9b49026 100644
--- a/src/settings/kcm/kcmdolphinviewmodes.cpp
+++ b/src/settings/kcm/kcmdolphinviewmodes.cpp
@@ -66,7 +66,7 @@ DolphinViewModesConfigModule::DolphinViewModesConfigModule(QWidget* parent, cons
     m_tabs.append(compactTab);
     m_tabs.append(detailsTab);
 
-    topLayout->addWidget(tabWidget, 0, 0);
+    topLayout->addWidget(tabWidget, 0, nullptr);
 }
 
 DolphinViewModesConfigModule::~DolphinViewModesConfigModule()
diff --git a/src/settings/navigation/navigationsettingspage.cpp b/src/settings/navigation/navigationsettingspage.cpp
index e37a35d8e..82015480a 100644
--- a/src/settings/navigation/navigationsettingspage.cpp
+++ b/src/settings/navigation/navigationsettingspage.cpp
@@ -28,8 +28,8 @@
 
 NavigationSettingsPage::NavigationSettingsPage(QWidget* parent) :
     SettingsPageBase(parent),
-    m_openArchivesAsFolder(0),
-    m_autoExpandFolders(0)
+    m_openArchivesAsFolder(nullptr),
+    m_autoExpandFolders(nullptr)
 {
     QVBoxLayout* topLayout = new QVBoxLayout(this);
     QWidget* vBox = new QWidget(this);
diff --git a/src/settings/serviceitemdelegate.h b/src/settings/serviceitemdelegate.h
index 27fb15c20..7b0d216db 100644
--- a/src/settings/serviceitemdelegate.h
+++ b/src/settings/serviceitemdelegate.h
@@ -33,7 +33,7 @@ class ServiceItemDelegate : public KWidgetItemDelegate
     Q_OBJECT
 
 public:
-    explicit ServiceItemDelegate(QAbstractItemView* itemView, QObject* parent = 0);
+    explicit ServiceItemDelegate(QAbstractItemView* itemView, QObject* parent = nullptr);
     ~ServiceItemDelegate() override;
 
     QSize sizeHint(const QStyleOptionViewItem &option,
diff --git a/src/settings/servicemodel.h b/src/settings/servicemodel.h
index 47fe54d6a..a08844b82 100644
--- a/src/settings/servicemodel.h
+++ b/src/settings/servicemodel.h
@@ -44,7 +44,7 @@ public:
         ConfigurableRole
     };
 
-    explicit ServiceModel(QObject* parent = 0);
+    explicit ServiceModel(QObject* parent = nullptr);
     ~ServiceModel() override;
 
     bool insertRows(int row, int count, const QModelIndex & parent = QModelIndex()) override;
diff --git a/src/settings/services/servicessettingspage.cpp b/src/settings/services/servicessettingspage.cpp
index 2b9b8f46f..a0d9effc8 100644
--- a/src/settings/services/servicessettingspage.cpp
+++ b/src/settings/services/servicessettingspage.cpp
@@ -58,9 +58,9 @@ namespace
 ServicesSettingsPage::ServicesSettingsPage(QWidget* parent) :
     SettingsPageBase(parent),
     m_initialized(false),
-    m_serviceModel(0),
-    m_sortModel(0),
-    m_listView(0),
+    m_serviceModel(nullptr),
+    m_sortModel(nullptr),
+    m_listView(nullptr),
     m_enabledVcsPlugins()
 {
     QVBoxLayout* topLayout = new QVBoxLayout(this);
diff --git a/src/settings/settingspagebase.h b/src/settings/settingspagebase.h
index 5e50a8df0..2bc1dfaaa 100644
--- a/src/settings/settingspagebase.h
+++ b/src/settings/settingspagebase.h
@@ -31,7 +31,7 @@ class SettingsPageBase : public QWidget
     Q_OBJECT
 
 public:
-    explicit SettingsPageBase(QWidget* parent = 0);
+    explicit SettingsPageBase(QWidget* parent = nullptr);
     ~SettingsPageBase() override;
 
     /**
diff --git a/src/settings/viewmodes/dolphinfontrequester.cpp b/src/settings/viewmodes/dolphinfontrequester.cpp
index b9c5d97cf..c185fc55d 100644
--- a/src/settings/viewmodes/dolphinfontrequester.cpp
+++ b/src/settings/viewmodes/dolphinfontrequester.cpp
@@ -29,8 +29,8 @@
 
 DolphinFontRequester::DolphinFontRequester(QWidget* parent) :
     QWidget(parent),
-    m_modeCombo(0),
-    m_chooseFontButton(0),
+    m_modeCombo(nullptr),
+    m_chooseFontButton(nullptr),
     m_mode(SystemFont),
     m_customFont()
 {
diff --git a/src/settings/viewmodes/viewsettingspage.cpp b/src/settings/viewmodes/viewsettingspage.cpp
index 3ed57715a..ab87201e2 100644
--- a/src/settings/viewmodes/viewsettingspage.cpp
+++ b/src/settings/viewmodes/viewsettingspage.cpp
@@ -56,7 +56,7 @@ ViewSettingsPage::ViewSettingsPage(QWidget* parent) :
     m_tabs.append(compactTab);
     m_tabs.append(detailsTab);
 
-    topLayout->addWidget(tabWidget, 0, 0);
+    topLayout->addWidget(tabWidget, 0, nullptr);
 }
 
 ViewSettingsPage::~ViewSettingsPage()
diff --git a/src/settings/viewmodes/viewsettingstab.cpp b/src/settings/viewmodes/viewsettingstab.cpp
index a673769ad..bfa3aa16e 100644
--- a/src/settings/viewmodes/viewsettingstab.cpp
+++ b/src/settings/viewmodes/viewsettingstab.cpp
@@ -40,12 +40,12 @@
 ViewSettingsTab::ViewSettingsTab(Mode mode, QWidget* parent) :
     QWidget(parent),
     m_mode(mode),
-    m_defaultSizeSlider(0),
-    m_previewSizeSlider(0),
-    m_fontRequester(0),
-    m_widthBox(0),
-    m_maxLinesBox(0),
-    m_expandableFolders(0)
+    m_defaultSizeSlider(nullptr),
+    m_previewSizeSlider(nullptr),
+    m_fontRequester(nullptr),
+    m_widthBox(nullptr),
+    m_maxLinesBox(nullptr),
+    m_expandableFolders(nullptr)
 {
     QVBoxLayout* topLayout = new QVBoxLayout(this);
 
@@ -202,7 +202,7 @@ void ViewSettingsTab::applySettings()
 
 void ViewSettingsTab::restoreDefaultSettings()
 {
-    KConfigSkeleton* settings = 0;
+    KConfigSkeleton* settings = nullptr;
     switch (m_mode) {
     case IconsMode:   settings = IconsModeSettings::self(); break;
     case CompactMode: settings = CompactModeSettings::self(); break;
diff --git a/src/settings/viewmodes/viewsettingstab.h b/src/settings/viewmodes/viewsettingstab.h
index 4f4071c1a..8b1ffc428 100644
--- a/src/settings/viewmodes/viewsettingstab.h
+++ b/src/settings/viewmodes/viewsettingstab.h
@@ -43,7 +43,7 @@ public:
         DetailsMode
     };
 
-    explicit ViewSettingsTab(Mode mode, QWidget* parent = 0);
+    explicit ViewSettingsTab(Mode mode, QWidget* parent = nullptr);
     ~ViewSettingsTab() override;
 
     void applySettings();
diff --git a/src/settings/viewpropertiesdialog.cpp b/src/settings/viewpropertiesdialog.cpp
index c317ed052..980ab0bba 100644
--- a/src/settings/viewpropertiesdialog.cpp
+++ b/src/settings/viewpropertiesdialog.cpp
@@ -52,19 +52,19 @@ ViewPropertiesDialog::ViewPropertiesDialog(DolphinView* dolphinView) :
     QDialog(dolphinView),
     m_isDirty(false),
     m_dolphinView(dolphinView),
-    m_viewProps(0),
-    m_viewMode(0),
-    m_sortOrder(0),
-    m_sorting(0),
-    m_sortFoldersFirst(0),
-    m_previewsShown(0),
-    m_showInGroups(0),
-    m_showHiddenFiles(0),
-    m_additionalInfo(0),
-    m_applyToCurrentFolder(0),
-    m_applyToSubFolders(0),
-    m_applyToAllFolders(0),
-    m_useAsDefault(0)
+    m_viewProps(nullptr),
+    m_viewMode(nullptr),
+    m_sortOrder(nullptr),
+    m_sorting(nullptr),
+    m_sortFoldersFirst(nullptr),
+    m_previewsShown(nullptr),
+    m_showInGroups(nullptr),
+    m_showHiddenFiles(nullptr),
+    m_additionalInfo(nullptr),
+    m_applyToCurrentFolder(nullptr),
+    m_applyToSubFolders(nullptr),
+    m_applyToAllFolders(nullptr),
+    m_useAsDefault(nullptr)
 {
     Q_ASSERT(dolphinView);
     const bool useGlobalViewProps = GeneralSettings::globalViewProps();
@@ -217,7 +217,7 @@ ViewPropertiesDialog::~ViewPropertiesDialog()
 {
     m_isDirty = false;
     delete m_viewProps;
-    m_viewProps = 0;
+    m_viewProps = nullptr;
 
     KConfigGroup dialogConfig(KSharedConfig::openConfig(QStringLiteral("dolphinrc")), "ViewPropertiesDialog");
     KWindowConfig::saveWindowSize(windowHandle(), dialogConfig);
diff --git a/src/settings/viewpropsprogressinfo.cpp b/src/settings/viewpropsprogressinfo.cpp
index 56fee8027..1878c8137 100644
--- a/src/settings/viewpropsprogressinfo.cpp
+++ b/src/settings/viewpropsprogressinfo.cpp
@@ -39,12 +39,12 @@ ViewPropsProgressInfo::ViewPropsProgressInfo(QWidget* parent,
                                              const ViewProperties& viewProps) :
     QDialog(parent),
     m_dir(dir),
-    m_viewProps(0),
-    m_label(0),
-    m_progressBar(0),
-    m_dirSizeJob(0),
-    m_applyViewPropsJob(0),
-    m_timer(0)
+    m_viewProps(nullptr),
+    m_label(nullptr),
+    m_progressBar(nullptr),
+    m_dirSizeJob(nullptr),
+    m_applyViewPropsJob(nullptr),
+    m_timer(nullptr)
 {
     const QSize minSize = minimumSize();
     setMinimumSize(QSize(320, minSize.height()));
@@ -96,13 +96,13 @@ ViewPropsProgressInfo::ViewPropsProgressInfo(QWidget* parent,
 ViewPropsProgressInfo::~ViewPropsProgressInfo()
 {
     delete m_viewProps;
-    m_viewProps = 0;
+    m_viewProps = nullptr;
 }
 
 void ViewPropsProgressInfo::closeEvent(QCloseEvent* event)
 {
     m_timer->stop();
-    m_applyViewPropsJob = 0;
+    m_applyViewPropsJob = nullptr;
     QDialog::closeEvent(event);
 }
 
@@ -110,12 +110,12 @@ void ViewPropsProgressInfo::reject()
 {
     if (m_dirSizeJob) {
         m_dirSizeJob->kill();
-        m_dirSizeJob = 0;
+        m_dirSizeJob = nullptr;
     }
 
     if (m_applyViewPropsJob) {
         m_applyViewPropsJob->kill();
-        m_applyViewPropsJob = 0;
+        m_applyViewPropsJob = nullptr;
     }
 
     QDialog::reject();
@@ -144,7 +144,7 @@ void ViewPropsProgressInfo::applyViewProperties()
     m_label->setText(i18nc("@info:progress", "Folders: %1", subdirs));
     m_progressBar->setMaximum(subdirs);
 
-    m_dirSizeJob = 0;
+    m_dirSizeJob = nullptr;
 
     m_applyViewPropsJob = new ApplyViewPropsJob(m_dir, *m_viewProps);
     connect(m_applyViewPropsJob, &ApplyViewPropsJob::result,