Get rid of ugly static_cast usages in connect() calls

src/dolphinmainwindow.cpp

@@ -111,7 +111,7 @@ DolphinMainWindow::DolphinMainWindow() :
     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
     undoManager->setUiInterface(new UndoUiInterface());
 
-    connect(undoManager, static_cast<void(KIO::FileUndoManager::*)(bool)>(&KIO::FileUndoManager::undoAvailable),
+    connect(undoManager, QOverload<bool>::of(&KIO::FileUndoManager::undoAvailable),
             this, &DolphinMainWindow::slotUndoAvailable);
     connect(undoManager, &KIO::FileUndoManager::undoTextChanged,
             this, &DolphinMainWindow::slotUndoTextChanged);
@@ -1122,10 +1122,9 @@ void DolphinMainWindow::setupActions()
     newTab->setIcon(QIcon::fromTheme(QStringLiteral("tab-new")));
     newTab->setText(i18nc("@action:inmenu File", "New Tab"));
     actionCollection()->setDefaultShortcuts(newTab, {Qt::CTRL + Qt::Key_T, Qt::CTRL + Qt::SHIFT + Qt::Key_N});
-    connect(newTab, &QAction::triggered, this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::openNewActivatedTab));
+    connect(newTab, &QAction::triggered, this, &DolphinMainWindow::openNewActivatedTab);
 
-    QAction* closeTab = KStandardAction::close(
-            m_tabWidget, static_cast<void(DolphinTabWidget::*)()>(&DolphinTabWidget::closeTab), actionCollection());
+    QAction* closeTab = KStandardAction::close(m_tabWidget, QOverload<>::of(&DolphinTabWidget::closeTab), actionCollection());
     closeTab->setText(i18nc("@action:inmenu File", "Close Tab"));
 
     KStandardAction::quit(this, &DolphinMainWindow::quit, actionCollection());
@@ -1601,9 +1600,9 @@ void DolphinMainWindow::connectViewSignals(DolphinViewContainer* container)
     connect(view, &DolphinView::directoryLoadingCompleted,
             this, &DolphinMainWindow::slotDirectoryLoadingCompleted);
     connect(view, &DolphinView::goBackRequested,
-            this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::goBack));
+            this, &DolphinMainWindow::goBack);
     connect(view, &DolphinView::goForwardRequested,
-            this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::goForward));
+            this, &DolphinMainWindow::goForward);
     connect(view, &DolphinView::urlActivated,
             this, &DolphinMainWindow::handleUrl);
 

src/dolphinpart.cpp

@@ -76,7 +76,7 @@ DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantL
     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::errorMessage,
             this, &DolphinPart::slotErrorMessage);
 
-    connect(m_view, &DolphinView::directoryLoadingCompleted, this, static_cast<void(DolphinPart::*)()>(&DolphinPart::completed));
+    connect(m_view, &DolphinView::directoryLoadingCompleted, this, QOverload<>::of(&KParts::ReadOnlyPart::completed));
     connect(m_view, &DolphinView::directoryLoadingCompleted, this, &DolphinPart::updatePasteAction);
     connect(m_view, &DolphinView::directoryLoadingProgress, this, &DolphinPart::updateProgress);
     connect(m_view, &DolphinView::errorMessage, this, &DolphinPart::slotErrorMessage);
@@ -98,7 +98,7 @@ DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantL
     connect(m_view, &DolphinView::requestContextMenu,
             this, &DolphinPart::slotOpenContextMenu);
     connect(m_view, &DolphinView::selectionChanged,
-            m_extension, static_cast<void(DolphinPartBrowserExtension::*)(const KFileItemList&)>(&DolphinPartBrowserExtension::selectionInfo));
+            m_extension, QOverload<const KFileItemList&>::of(&KParts::BrowserExtension::selectionInfo));
     connect(m_view, &DolphinView::selectionChanged,
             this, &DolphinPart::slotSelectionChanged);
     connect(m_view, &DolphinView::requestItemInfo,

src/dolphintabwidget.cpp

@@ -37,13 +37,13 @@ DolphinTabWidget::DolphinTabWidget(QWidget* parent) :
     m_lastViewedTab(0)
 {
     connect(this, &DolphinTabWidget::tabCloseRequested,
-            this, static_cast<void (DolphinTabWidget::*)(int)>(&DolphinTabWidget::closeTab));
+            this, QOverload<int>::of(&DolphinTabWidget::closeTab));
     connect(this, &DolphinTabWidget::currentChanged,
             this, &DolphinTabWidget::currentTabChanged);
 
     DolphinTabBar* tabBar = new DolphinTabBar(this);
     connect(tabBar, &DolphinTabBar::openNewActivatedTab,
-            this,  static_cast<void (DolphinTabWidget::*)(int)>(&DolphinTabWidget::openNewActivatedTab));
+            this, QOverload<int>::of(&DolphinTabWidget::openNewActivatedTab));
     connect(tabBar, &DolphinTabBar::tabDropEvent,
             this, &DolphinTabWidget::tabDropEvent);
     connect(tabBar, &DolphinTabBar::tabDetachRequested,

src/kitemviews/kfileitemmodel.cpp

@@ -68,16 +68,16 @@ KFileItemModel::KFileItemModel(QObject* parent) :
     }
 
     connect(m_dirLister, &KFileItemModelDirLister::started, this, &KFileItemModel::directoryLoadingStarted);
-    connect(m_dirLister, static_cast<void(KFileItemModelDirLister::*)()>(&KFileItemModelDirLister::canceled), this, &KFileItemModel::slotCanceled);
-    connect(m_dirLister, static_cast<void(KFileItemModelDirLister::*)(const QUrl&)>(&KFileItemModelDirLister::completed), this, &KFileItemModel::slotCompleted);
+    connect(m_dirLister, QOverload<>::of(&KCoreDirLister::canceled), this, &KFileItemModel::slotCanceled);
+    connect(m_dirLister, QOverload<const QUrl&>::of(&KCoreDirLister::completed), this, &KFileItemModel::slotCompleted);
     connect(m_dirLister, &KFileItemModelDirLister::itemsAdded, this, &KFileItemModel::slotItemsAdded);
     connect(m_dirLister, &KFileItemModelDirLister::itemsDeleted, this, &KFileItemModel::slotItemsDeleted);
     connect(m_dirLister, &KFileItemModelDirLister::refreshItems, this, &KFileItemModel::slotRefreshItems);
-    connect(m_dirLister, static_cast<void(KFileItemModelDirLister::*)()>(&KFileItemModelDirLister::clear), this, &KFileItemModel::slotClear);
+    connect(m_dirLister, QOverload<>::of(&KCoreDirLister::clear), this, &KFileItemModel::slotClear);
     connect(m_dirLister, &KFileItemModelDirLister::infoMessage, this, &KFileItemModel::infoMessage);
     connect(m_dirLister, &KFileItemModelDirLister::errorMessage, this, &KFileItemModel::errorMessage);
     connect(m_dirLister, &KFileItemModelDirLister::percent, this, &KFileItemModel::directoryLoadingProgress);
-    connect(m_dirLister, static_cast<void(KFileItemModelDirLister::*)(const QUrl&, const QUrl&)>(&KFileItemModelDirLister::redirection), this, &KFileItemModel::directoryRedirection);
+    connect(m_dirLister, QOverload<const QUrl&, const QUrl&>::of(&KCoreDirLister::redirection), this, &KFileItemModel::directoryRedirection);
     connect(m_dirLister, &KFileItemModelDirLister::urlIsFileError, this, &KFileItemModel::urlIsFileError);
 
     // Apply default roles that should be determined

src/panels/information/pixmapviewer.cpp

@@ -37,7 +37,7 @@ PixmapViewer::PixmapViewer(QWidget* parent, Transition transition) :
     m_animation.setCurveShape(QTimeLine::LinearCurve);
 
     if (m_transition != NoTransition) {
-        connect(&m_animation, &QTimeLine::valueChanged, this, static_cast<void(PixmapViewer::*)()>(&PixmapViewer::update));
+        connect(&m_animation, &QTimeLine::valueChanged, this, QOverload<>::of(&PixmapViewer::update));
         connect(&m_animation, &QTimeLine::finished, this, &PixmapViewer::checkPendingPixmaps);
     }
 }

src/settings/general/previewssettingspage.cpp

@@ -85,7 +85,7 @@ PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
     loadSettings();
 
     connect(m_listView, &QListView::clicked, this, &PreviewsSettingsPage::changed);
-    connect(m_remoteFileSizeBox, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
+    connect(m_remoteFileSizeBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
 }
 
 PreviewsSettingsPage::~PreviewsSettingsPage()

src/settings/kcm/kcmdolphingeneral.cpp

@@ -48,17 +48,17 @@ DolphinGeneralConfigModule::DolphinGeneralConfigModule(QWidget* parent, const QV
     // initialize 'Behavior' tab
     BehaviorSettingsPage* behaviorPage = new BehaviorSettingsPage(QUrl::fromLocalFile(QDir::homePath()), tabWidget);
     tabWidget->addTab(behaviorPage, i18nc("@title:tab Behavior settings", "Behavior"));
-    connect(behaviorPage, &BehaviorSettingsPage::changed, this, static_cast<void(DolphinGeneralConfigModule::*)()>(&DolphinGeneralConfigModule::changed));
+    connect(behaviorPage, &BehaviorSettingsPage::changed, this, QOverload<>::of(&DolphinGeneralConfigModule::changed));
 
     // initialize 'Previews' tab
     PreviewsSettingsPage* previewsPage = new PreviewsSettingsPage(tabWidget);
     tabWidget->addTab(previewsPage, i18nc("@title:tab Previews settings", "Previews"));
-    connect(previewsPage, &PreviewsSettingsPage::changed, this, static_cast<void(DolphinGeneralConfigModule::*)()>(&DolphinGeneralConfigModule::changed));
+    connect(previewsPage, &PreviewsSettingsPage::changed, this, QOverload<>::of(&DolphinGeneralConfigModule::changed));
 
     // initialize 'Confirmations' tab
     ConfirmationsSettingsPage* confirmationsPage = new ConfirmationsSettingsPage(tabWidget);
     tabWidget->addTab(confirmationsPage,  i18nc("@title:tab Confirmations settings", "Confirmations"));
-    connect(confirmationsPage, &ConfirmationsSettingsPage::changed, this, static_cast<void(DolphinGeneralConfigModule::*)()>(&DolphinGeneralConfigModule::changed));
+    connect(confirmationsPage, &ConfirmationsSettingsPage::changed, this, QOverload<>::of(&DolphinGeneralConfigModule::changed));
 
     m_pages.append(behaviorPage);
     m_pages.append(previewsPage);

src/settings/kcm/kcmdolphinnavigation.cpp

@@ -40,7 +40,7 @@ DolphinNavigationConfigModule::DolphinNavigationConfigModule(QWidget* parent, co
     topLayout->setContentsMargins(0, 0, 0, 0);
 
     m_navigation = new NavigationSettingsPage(this);
-    connect(m_navigation, &NavigationSettingsPage::changed, this, static_cast<void(DolphinNavigationConfigModule::*)()>(&DolphinNavigationConfigModule::changed));
+    connect(m_navigation, &NavigationSettingsPage::changed, this, QOverload<>::of(&DolphinNavigationConfigModule::changed));
     topLayout->addWidget(m_navigation, 0, nullptr);
 }
 

src/settings/kcm/kcmdolphinservices.cpp

@@ -40,7 +40,7 @@ DolphinServicesConfigModule::DolphinServicesConfigModule(QWidget* parent, const
     topLayout->setContentsMargins(0, 0, 0, 0);
 
     m_services = new ServicesSettingsPage(this);
-    connect(m_services, &ServicesSettingsPage::changed, this, static_cast<void(DolphinServicesConfigModule::*)()>(&DolphinServicesConfigModule::changed));
+    connect(m_services, &ServicesSettingsPage::changed, this, QOverload<>::of(&DolphinServicesConfigModule::changed));
     topLayout->addWidget(m_services, 0, nullptr);
 }
 

src/settings/trash/trashsettingspage.cpp

@@ -33,7 +33,7 @@ TrashSettingsPage::TrashSettingsPage(QWidget* parent) :
 
     loadSettings();
 
-    connect(m_proxy, static_cast<void(KCModuleProxy::*)(bool)>(&KCModuleProxy::changed), this, &TrashSettingsPage::changed);
+    connect(m_proxy, QOverload<bool>::of(&KCModuleProxy::changed), this, &TrashSettingsPage::changed);
 }
 
 TrashSettingsPage::~TrashSettingsPage()

src/settings/viewmodes/dolphinfontrequester.cpp

@@ -40,7 +40,7 @@ DolphinFontRequester::DolphinFontRequester(QWidget* parent) :
     m_modeCombo = new QComboBox(this);
     m_modeCombo->addItem(i18nc("@item:inlistbox Font", "System Font"));
     m_modeCombo->addItem(i18nc("@item:inlistbox Font", "Custom Font"));
-    connect(m_modeCombo, static_cast<void(QComboBox::*)(int)>(&QComboBox::activated),
+    connect(m_modeCombo, QOverload<int>::of(&QComboBox::activated),
             this, &DolphinFontRequester::changeMode);
 
     m_chooseFontButton = new QPushButton(i18nc("@action:button Choose font", "Choose..."), this);

src/settings/viewmodes/viewsettingstab.cpp

@@ -120,11 +120,11 @@ ViewSettingsTab::ViewSettingsTab(Mode mode, QWidget* parent) :
 
     switch (m_mode) {
     case IconsMode:
-        connect(m_widthBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &ViewSettingsTab::changed);
-        connect(m_maxLinesBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &ViewSettingsTab::changed);
+        connect(m_widthBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ViewSettingsTab::changed);
+        connect(m_maxLinesBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ViewSettingsTab::changed);
         break;
     case CompactMode:
-        connect(m_widthBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &ViewSettingsTab::changed);
+        connect(m_widthBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ViewSettingsTab::changed);
         break;
     case DetailsMode:
         connect(m_expandableFolders, &QCheckBox::toggled, this, &ViewSettingsTab::changed);

src/settings/viewpropertiesdialog.cpp

@@ -163,11 +163,11 @@ ViewPropertiesDialog::ViewPropertiesDialog(DolphinView* dolphinView) :
     layout->addRow(QString(), m_showInGroups);
     layout->addRow(QString(), m_showHiddenFiles);
 
-    connect(m_viewMode, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_viewMode, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &ViewPropertiesDialog::slotViewModeChanged);
-    connect(m_sorting, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_sorting, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &ViewPropertiesDialog::slotSortingChanged);
-    connect(m_sortOrder, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_sortOrder, QOverload<int>::of(&QComboBox::currentIndexChanged),
             this, &ViewPropertiesDialog::slotSortOrderChanged);
     connect(m_sortFoldersFirst, &QCheckBox::clicked,
             this, &ViewPropertiesDialog::slotSortFoldersFirstChanged);

src/trash/dolphintrash.cpp

@@ -40,7 +40,7 @@ Trash::Trash()
         bool isTrashEmpty = m_trashDirLister->items().isEmpty();
         emit emptinessChanged(isTrashEmpty);
     };
-    connect(m_trashDirLister, static_cast<void(KDirLister::*)()>(&KDirLister::completed), this, trashDirContentChanged);
+    connect(m_trashDirLister, QOverload<>::of(&KCoreDirLister::completed), this, trashDirContentChanged);
     connect(m_trashDirLister, &KDirLister::itemsDeleted, this, trashDirContentChanged);
     m_trashDirLister->openUrl(QUrl(QStringLiteral("trash:/")));
 }

src/views/dolphinviewactionhandler.cpp

@@ -144,7 +144,7 @@ void DolphinViewActionHandler::createActions()
     viewModeActions->addAction(compactAction);
     viewModeActions->addAction(detailsAction);
     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
-    connect(viewModeActions, static_cast<void(KSelectAction::*)(QAction*)>(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
+    connect(viewModeActions, QOverload<QAction*>::of(&KSelectAction::triggered), this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 
     KStandardAction::zoomIn(this,
                             &DolphinViewActionHandler::zoomIn,

src/views/tooltips/tooltipmanager.cpp

@@ -64,7 +64,7 @@ ToolTipManager::ToolTipManager(QWidget* parent) :
     m_showToolTipTimer = new QTimer(this);
     m_showToolTipTimer->setSingleShot(true);
     m_showToolTipTimer->setInterval(500);
-    connect(m_showToolTipTimer, &QTimer::timeout, this, static_cast<void(ToolTipManager::*)()>(&ToolTipManager::showToolTip));
+    connect(m_showToolTipTimer, &QTimer::timeout, this, QOverload<>::of(&ToolTipManager::showToolTip));
 
     m_contentRetrievalTimer = new QTimer(this);
     m_contentRetrievalTimer->setSingleShot(true);