svn merge -r764536:HEAD from 4.0 branch: refactor "additional info" actions and provide them in the part

svn path=/trunk/KDE/kdebase/apps/; revision=764550

9 files changed, 171 insertions, 164 deletions

diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp
index 6b15f1c41..7661ce88d 100644
--- a/src/dolphindetailsview.cpp
+++ b/src/dolphindetailsview.cpp
@@ -106,7 +106,7 @@ DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* contr
             this, SLOT(zoomIn()));
     connect(controller, SIGNAL(zoomOut()),
             this, SLOT(zoomOut()));
-    connect(controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
+    connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
             this, SLOT(updateColumnVisibility()));
 
     // apply the details mode settings to the widget
diff --git a/src/dolphiniconsview.cpp b/src/dolphiniconsview.cpp
index 21debe745..8f5992219 100644
--- a/src/dolphiniconsview.cpp
+++ b/src/dolphiniconsview.cpp
@@ -79,8 +79,8 @@ DolphinIconsView::DolphinIconsView(QWidget* parent, DolphinController* controlle
     const DolphinView* view = controller->dolphinView();
     connect(view, SIGNAL(showPreviewChanged()),
             this, SLOT(slotShowPreviewChanged()));
-    connect(view, SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
-            this, SLOT(slotAdditionalInfoChanged(const KFileItemDelegate::InformationList&)));
+    connect(view, SIGNAL(additionalInfoChanged()),
+            this, SLOT(slotAdditionalInfoChanged()));
 
     connect(this, SIGNAL(entered(const QModelIndex&)),
             this, SLOT(slotEntered(const QModelIndex&)));
@@ -321,10 +321,11 @@ void DolphinIconsView::slotShowPreviewChanged()
     updateGridSize(view->showPreview(), additionalInfoCount());
 }
 
-void DolphinIconsView::slotAdditionalInfoChanged(const KFileItemDelegate::InformationList& info)
+void DolphinIconsView::slotAdditionalInfoChanged()
 {
-    const bool showPreview = m_controller->dolphinView()->showPreview();
-    updateGridSize(showPreview, info.count());
+    const DolphinView* view = m_controller->dolphinView();
+    const bool showPreview = view->showPreview();
+    updateGridSize(showPreview, view->additionalInfo().count());
 }
 
 void DolphinIconsView::zoomIn()
diff --git a/src/dolphiniconsview.h b/src/dolphiniconsview.h
index edc2475d4..ade58e156 100644
--- a/src/dolphiniconsview.h
+++ b/src/dolphiniconsview.h
@@ -68,7 +68,7 @@ private slots:
     void triggerItem(const QModelIndex& index);
     void slotEntered(const QModelIndex& index);
     void slotShowPreviewChanged();
-    void slotAdditionalInfoChanged(const KFileItemDelegate::InformationList& info);
+    void slotAdditionalInfoChanged();
     void zoomIn();
     void zoomOut();
 
diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index 2e376bc68..e83a78c87 100644
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -256,58 +256,10 @@ void DolphinMainWindow::slotSortOrderChanged(Qt::SortOrder order)
     descending->setChecked(sortDescending);
 }
 
-void DolphinMainWindow::slotAdditionalInfoChanged(KFileItemDelegate::InformationList list)
+void DolphinMainWindow::slotAdditionalInfoChanged()
 {
-    QAction* showSizeInfo = actionCollection()->action("show_size_info");
-    QAction* showDateInfo = actionCollection()->action("show_date_info");
-    QAction* showPermissionsInfo = actionCollection()->action("show_permissions_info");
-    QAction* showOwnerInfo = actionCollection()->action("show_owner_info");
-    QAction* showGroupInfo = actionCollection()->action("show_group_info");
-    QAction* showMimeInfo = actionCollection()->action("show_mime_info");
-
-    showSizeInfo->setChecked(false);
-    showDateInfo->setChecked(false);
-    showPermissionsInfo->setChecked(false);
-    showOwnerInfo->setChecked(false);
-    showGroupInfo->setChecked(false);
-    showMimeInfo->setChecked(false);
-
-    const DolphinView* view = m_activeViewContainer->view();
-
-    const bool enable = (view->mode() == DolphinView::DetailsView) ||
-                        (view->mode() == DolphinView::IconsView);
-
-    showSizeInfo->setEnabled(enable);
-    showDateInfo->setEnabled(enable);
-    showPermissionsInfo->setEnabled(enable);
-    showOwnerInfo->setEnabled(enable);
-    showGroupInfo->setEnabled(enable);
-    showMimeInfo->setEnabled(enable);
-
-    foreach (KFileItemDelegate::Information info, list) {
-        switch (info) {
-        case KFileItemDelegate::Size:
-            showSizeInfo->setChecked(true);
-            break;
-        case KFileItemDelegate::ModificationTime:
-            showDateInfo->setChecked(true);
-            break;
-        case KFileItemDelegate::Permissions:
-            showPermissionsInfo->setChecked(true);
-            break;
-        case KFileItemDelegate::Owner:
-            showOwnerInfo->setChecked(true);
-            break;
-        case KFileItemDelegate::OwnerAndGroup:
-            showGroupInfo->setChecked(true);
-            break;
-        case KFileItemDelegate::FriendlyMimeType:
-            showMimeInfo->setChecked(true);
-            break;
-        default:
-            break;
-        }
-    }
+    DolphinView* view = m_activeViewContainer->view();
+    view->updateAdditionalInfoActions(actionCollection());
 }
 
 void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
@@ -660,36 +612,6 @@ void DolphinMainWindow::toggleSortCategorization()
     view->setCategorizedSorting(!categorizedSorting);
 }
 
-void DolphinMainWindow::toggleSizeInfo()
-{
-    toggleAdditionalInfo("show_size_info", KFileItemDelegate::Size);
-}
-
-void DolphinMainWindow::toggleDateInfo()
-{
-    toggleAdditionalInfo("show_date_info", KFileItemDelegate::ModificationTime);
-}
-
-void DolphinMainWindow::togglePermissionsInfo()
-{
-    toggleAdditionalInfo("show_permissions_info", KFileItemDelegate::Permissions);
-}
-
-void DolphinMainWindow::toggleOwnerInfo()
-{
-    toggleAdditionalInfo("show_owner_info", KFileItemDelegate::Owner);
-}
-
-void DolphinMainWindow::toggleGroupInfo()
-{
-    toggleAdditionalInfo("show_group_info", KFileItemDelegate::OwnerAndGroup);
-}
-
-void DolphinMainWindow::toggleMimeInfo()
-{
-    toggleAdditionalInfo("show_mime_info", KFileItemDelegate::FriendlyMimeType);
-}
-
 void DolphinMainWindow::toggleSplitView()
 {
     if (m_viewContainer[SecondaryView] == 0) {
@@ -1128,29 +1050,8 @@ void DolphinMainWindow::setupActions()
     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
     connect(showInGroups, SIGNAL(triggered()), this, SLOT(toggleSortCategorization()));
 
-    KToggleAction* showSizeInfo = actionCollection()->add<KToggleAction>("show_size_info");
-    showSizeInfo->setText(i18nc("@action:inmenu Additional information", "Size"));
-    connect(showSizeInfo, SIGNAL(triggered()), this, SLOT(toggleSizeInfo()));
-
-    KToggleAction* showDateInfo = actionCollection()->add<KToggleAction>("show_date_info");
-    showDateInfo->setText(i18nc("@action:inmenu Additional information", "Date"));
-    connect(showDateInfo, SIGNAL(triggered()), this, SLOT(toggleDateInfo()));
-
-    KToggleAction* showPermissionsInfo = actionCollection()->add<KToggleAction>("show_permissions_info");
-    showPermissionsInfo->setText(i18nc("@action:inmenu Additional information", "Permissions"));
-    connect(showPermissionsInfo, SIGNAL(triggered()), this, SLOT(togglePermissionsInfo()));
-
-    KToggleAction* showOwnerInfo = actionCollection()->add<KToggleAction>("show_owner_info");
-    showOwnerInfo->setText(i18nc("@action:inmenu Additional information", "Owner"));
-    connect(showOwnerInfo, SIGNAL(triggered()), this, SLOT(toggleOwnerInfo()));
-
-    KToggleAction* showGroupInfo = actionCollection()->add<KToggleAction>("show_group_info");
-    showGroupInfo->setText(i18nc("@action:inmenu Additional information", "Group"));
-    connect(showGroupInfo, SIGNAL(triggered()), this, SLOT(toggleGroupInfo()));
-
-    KToggleAction* showMimeInfo = actionCollection()->add<KToggleAction>("show_mime_info");
-    showMimeInfo->setText(i18nc("@action:inmenu Additional information", "Type"));
-    connect(showMimeInfo, SIGNAL(triggered()), this, SLOT(toggleMimeInfo()));
+    QActionGroup* showInformationActionGroup = DolphinView::createAdditionalInformationActionGroup(actionCollection());
+    connect(showInformationActionGroup, SIGNAL(triggered(QAction*)), this, SLOT(toggleAdditionalInfo(QAction*)));
 
     KToggleAction* showPreview = actionCollection()->add<KToggleAction>("show_preview");
     showPreview->setText(i18nc("@action:intoolbar", "Preview"));
@@ -1383,7 +1284,7 @@ void DolphinMainWindow::updateViewActions()
     slotSortingChanged(view->sorting());
     slotSortOrderChanged(view->sortOrder());
     slotCategorizedSortingChanged();
-    slotAdditionalInfoChanged(view->additionalInfo());
+    slotAdditionalInfoChanged();
 
     KToggleAction* showFilterBarAction =
         static_cast<KToggleAction*>(actionCollection()->action("show_filter_bar"));
@@ -1436,8 +1337,8 @@ void DolphinMainWindow::connectViewSignals(int viewIndex)
             this, SLOT(slotSortingChanged(DolphinView::Sorting)));
     connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder)),
             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
-    connect(view, SIGNAL(additionalInfoChanged(KFileItemDelegate::InformationList)),
-            this, SLOT(slotAdditionalInfoChanged(KFileItemDelegate::InformationList)));
+    connect(view, SIGNAL(additionalInfoChanged()),
+            this, SLOT(slotAdditionalInfoChanged()));
     connect(view, SIGNAL(selectionChanged(KFileItemList)),
             this, SLOT(slotSelectionChanged(KFileItemList)));
     connect(view, SIGNAL(requestItemInfo(KFileItem)),
@@ -1471,26 +1372,10 @@ void DolphinMainWindow::updateSplitAction()
     }
 }
 
-void DolphinMainWindow::toggleAdditionalInfo(const char* actionName,
-                                             KFileItemDelegate::Information info)
+void DolphinMainWindow::toggleAdditionalInfo(QAction* action)
 {
     clearStatusBar();
-
-    DolphinView* view = m_activeViewContainer->view();
-    KFileItemDelegate::InformationList list = view->additionalInfo();
-
-    const bool show = actionCollection()->action(actionName)->isChecked();
-
-    const int index = list.indexOf(info);
-    const bool containsInfo = (index >= 0);
-    if (show && !containsInfo) {
-        list.append(info);
-        view->setAdditionalInfo(list);
-    } else if (!show && containsInfo) {
-        list.removeAt(index);
-        view->setAdditionalInfo(list);
-        Q_ASSERT(list.indexOf(info) < 0);
-    }
+    m_activeViewContainer->view()->toggleAdditionalInfo(action);
 }
 
 DolphinMainWindow::UndoUiInterface::UndoUiInterface(DolphinMainWindow* mainWin) :
diff --git a/src/dolphinmainwindow.h b/src/dolphinmainwindow.h
index e99add896..444a4a946 100644
--- a/src/dolphinmainwindow.h
+++ b/src/dolphinmainwindow.h
@@ -273,23 +273,11 @@ private slots:
     /** Switches between sorting by categories or not. */
     void toggleSortCategorization();
 
-    /** Switches between showing the size as additional information for the item or not. */
-    void toggleSizeInfo();
-
-    /** Switchtes between showing the date as additional information for the item or not. */
-    void toggleDateInfo();
-
-    /** Switchtes between showing the permissions as additional information for the item or not. */
-    void togglePermissionsInfo();
-
-    /** Switchtes between showing the owner as additional information for the item or not. */
-    void toggleOwnerInfo();
-
-    /** Switchtes between showing the group as additional information for the item or not. */
-    void toggleGroupInfo();
-
-    /** Switches between showing the MIME type as additional information for the item or not. */
-    void toggleMimeInfo();
+    /**
+     * Switches on or off the displaying of additional information
+     * as specified by \a action.
+     */
+    void toggleAdditionalInfo(QAction* action);
 
     /**
      * Switches between one and two views:
@@ -388,7 +376,7 @@ private slots:
     void slotSortOrderChanged(Qt::SortOrder order);
 
     /** Updates the state of the 'Additional Information' actions. */
-    void slotAdditionalInfoChanged(KFileItemDelegate::InformationList info);
+    void slotAdditionalInfoChanged();
 
     /**
      * Updates the state of the 'Edit' menu actions and emits
@@ -453,14 +441,6 @@ private:
      */
     void updateSplitAction();
 
-    /**
-     * Helper method for the slots toggleDateInfo(), toggleSizeInfo()
-     * and toggleMimeInfo(). Applies \a info dependent from the  current
-     * checked state of the action \a actionName to the file item delegate.
-     */
-    void toggleAdditionalInfo(const char* actionName,
-                              KFileItemDelegate::Information info);
-
 private:
     /**
      * DolphinMainWindow supports up to two views beside each other.
diff --git a/src/dolphinpart.cpp b/src/dolphinpart.cpp
index e7c919ad8..f144109cb 100644
--- a/src/dolphinpart.cpp
+++ b/src/dolphinpart.cpp
@@ -95,6 +95,8 @@ DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringLi
             this, SLOT(updateViewActions()));
     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder)),
             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
+    connect(m_view, SIGNAL(additionalInfoChanged()),
+            this, SLOT(slotAdditionalInfoChanged()));
 
     QClipboard* clipboard = QApplication::clipboard();
     connect(clipboard, SIGNAL(dataChanged()),
@@ -153,6 +155,9 @@ void DolphinPart::createActions()
     KAction* sortDescending = DolphinView::createSortDescendingAction(actionCollection());
     connect(sortDescending, SIGNAL(triggered()), m_view, SLOT(toggleSortOrder()));
 
+    QActionGroup* showInformationActionGroup = DolphinView::createAdditionalInformationActionGroup(actionCollection());
+    connect(showInformationActionGroup, SIGNAL(triggered(QAction*)), m_view, SLOT(toggleAdditionalInfo(QAction*)));
+
     // Go menu
 
     KAction* newDirAction = DolphinView::createNewDirAction(actionCollection());
@@ -447,4 +452,9 @@ void DolphinPart::slotSortOrderChanged(Qt::SortOrder order)
     descending->setChecked(sortDescending);
 }
 
+void DolphinPart::slotAdditionalInfoChanged()
+{
+    m_view->updateAdditionalInfoActions(actionCollection());
+}
+
 #include "dolphinpart.moc"
diff --git a/src/dolphinpart.h b/src/dolphinpart.h
index 883cf9456..3d9ec0306 100644
--- a/src/dolphinpart.h
+++ b/src/dolphinpart.h
@@ -139,6 +139,9 @@ private Q_SLOTS:
     /** Updates the state of the 'Sort Ascending/Descending' action. */
     void slotSortOrderChanged(Qt::SortOrder);
 
+    /** Updates the state of the 'Additional Information' actions. */
+    void slotAdditionalInfoChanged();
+
 private:
     void createActions();
     void createGoAction(const char* name, const char* iconName,
diff --git a/src/dolphinview.cpp b/src/dolphinview.cpp
index a1bba6d5c..a2d56f474 100644
--- a/src/dolphinview.cpp
+++ b/src/dolphinview.cpp
@@ -206,7 +206,7 @@ void DolphinView::setMode(Mode mode)
     // additional information manually
     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
     m_fileItemDelegate->setShowInformation(infoList);
-    emit additionalInfoChanged(infoList);
+    emit additionalInfoChanged();
 
     // Not all view modes support categorized sorting. Adjust the sorting model
     // if changing the view mode results in a change of the categorized sorting
@@ -458,7 +458,7 @@ void DolphinView::setAdditionalInfo(KFileItemDelegate::InformationList info)
     props.setAdditionalInfo(info);
     m_fileItemDelegate->setShowInformation(info);
 
-    emit additionalInfoChanged(info);
+    emit additionalInfoChanged();
 
     if (itemView() != m_detailsView) {
         // the details view requires no reloading of the directory, as it maps
@@ -659,7 +659,7 @@ void DolphinView::applyViewProperties(const KUrl& url)
     KFileItemDelegate::InformationList info = props.additionalInfo();
     if (info != m_fileItemDelegate->showInformation()) {
         m_fileItemDelegate->setShowInformation(info);
-        emit additionalInfoChanged(info);
+        emit additionalInfoChanged();
     }
 
     const bool showPreview = props.showPreview();
@@ -762,8 +762,80 @@ void DolphinView::updateAdditionalInfo(const KFileItemDelegate::InformationList&
 
     m_fileItemDelegate->setShowInformation(info);
 
-    emit additionalInfoChanged(info);
+    emit additionalInfoChanged(); // will call updateAdditionalInfoActions just below
+}
+
+void DolphinView::updateAdditionalInfoActions(KActionCollection* collection)
+{
+    const bool enable = (m_mode == DolphinView::DetailsView) ||
+                        (m_mode == DolphinView::IconsView);
+
+    QAction* showSizeInfo = collection->action("show_size_info");
+    QAction* showDateInfo = collection->action("show_date_info");
+    QAction* showPermissionsInfo = collection->action("show_permissions_info");
+    QAction* showOwnerInfo = collection->action("show_owner_info");
+    QAction* showGroupInfo = collection->action("show_group_info");
+    QAction* showMimeInfo = collection->action("show_mime_info");
 
+    showSizeInfo->setChecked(false);
+    showDateInfo->setChecked(false);
+    showPermissionsInfo->setChecked(false);
+    showOwnerInfo->setChecked(false);
+    showGroupInfo->setChecked(false);
+    showMimeInfo->setChecked(false);
+
+    showSizeInfo->setEnabled(enable);
+    showDateInfo->setEnabled(enable);
+    showPermissionsInfo->setEnabled(enable);
+    showOwnerInfo->setEnabled(enable);
+    showGroupInfo->setEnabled(enable);
+    showMimeInfo->setEnabled(enable);
+
+    foreach (KFileItemDelegate::Information info, m_fileItemDelegate->showInformation()) {
+        switch (info) {
+        case KFileItemDelegate::Size:
+            showSizeInfo->setChecked(true);
+            break;
+        case KFileItemDelegate::ModificationTime:
+            showDateInfo->setChecked(true);
+            break;
+        case KFileItemDelegate::Permissions:
+            showPermissionsInfo->setChecked(true);
+            break;
+        case KFileItemDelegate::Owner:
+            showOwnerInfo->setChecked(true);
+            break;
+        case KFileItemDelegate::OwnerAndGroup:
+            showGroupInfo->setChecked(true);
+            break;
+        case KFileItemDelegate::FriendlyMimeType:
+            showMimeInfo->setChecked(true);
+            break;
+        default:
+            break;
+        }
+    }
+}
+
+void DolphinView::toggleAdditionalInfo(QAction* action)
+{
+    const KFileItemDelegate::Information info =
+        static_cast<KFileItemDelegate::Information>(action->data().toInt());
+
+    KFileItemDelegate::InformationList list = additionalInfo();
+
+    const bool show = action->isChecked();
+
+    const int index = list.indexOf(info);
+    const bool containsInfo = (index >= 0);
+    if (show && !containsInfo) {
+        list.append(info);
+        setAdditionalInfo(list);
+    } else if (!show && containsInfo) {
+        list.removeAt(index);
+        setAdditionalInfo(list);
+        Q_ASSERT(list.indexOf(info) < 0);
+    }
 }
 
 void DolphinView::emitContentsMoved()
@@ -1160,4 +1232,42 @@ KAction* DolphinView::createSortDescendingAction(KActionCollection* collection)
     return sortDescending;
 }
 
+QActionGroup* DolphinView::createAdditionalInformationActionGroup(KActionCollection* collection)
+{
+    QActionGroup* showInformationGroup = new QActionGroup(collection);
+    showInformationGroup->setExclusive(false);
+
+    KToggleAction* showSizeInfo = collection->add<KToggleAction>("show_size_info");
+    showSizeInfo->setText(i18nc("@action:inmenu Additional information", "Size"));
+    showSizeInfo->setData(KFileItemDelegate::Size);
+    showSizeInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showDateInfo = collection->add<KToggleAction>("show_date_info");
+    showDateInfo->setText(i18nc("@action:inmenu Additional information", "Date"));
+    showDateInfo->setData(KFileItemDelegate::ModificationTime);
+    showDateInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showPermissionsInfo = collection->add<KToggleAction>("show_permissions_info");
+    showPermissionsInfo->setText(i18nc("@action:inmenu Additional information", "Permissions"));
+    showPermissionsInfo->setData(KFileItemDelegate::Permissions);
+    showPermissionsInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showOwnerInfo = collection->add<KToggleAction>("show_owner_info");
+    showOwnerInfo->setText(i18nc("@action:inmenu Additional information", "Owner"));
+    showOwnerInfo->setData(KFileItemDelegate::Owner);
+    showOwnerInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showGroupInfo = collection->add<KToggleAction>("show_group_info");
+    showGroupInfo->setText(i18nc("@action:inmenu Additional information", "Group"));
+    showGroupInfo->setData(KFileItemDelegate::OwnerAndGroup);
+    showGroupInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showMimeInfo = collection->add<KToggleAction>("show_mime_info");
+    showMimeInfo->setText(i18nc("@action:inmenu Additional information", "Type"));
+    showMimeInfo->setData(KFileItemDelegate::FriendlyMimeType);
+    showMimeInfo->setActionGroup(showInformationGroup);
+
+    return showInformationGroup;
+}
+
 #include "dolphinview.moc"
diff --git a/src/dolphinview.h b/src/dolphinview.h
index 5ee535cb4..6f2658569 100644
--- a/src/dolphinview.h
+++ b/src/dolphinview.h
@@ -38,6 +38,7 @@
 #include <QListView>
 #include <QWidget>
 
+class QActionGroup;
 class DolphinController;
 class DolphinColumnView;
 class DolphinDetailsView;
@@ -373,6 +374,17 @@ public:
     static KAction* createSortDescendingAction(KActionCollection* collection);
 
     /**
+     * Creates an action group with all the "show additional information" actions in it.
+     * This code is here to share it between the mainwindow and the part
+     */
+    static QActionGroup* createAdditionalInformationActionGroup(KActionCollection* collection);
+
+    /**
+     * Updates the state of the 'Additional Information' actions in \a collection.
+     */
+    void updateAdditionalInfoActions(KActionCollection* collection);
+
+    /**
      * Returns the action name corresponding to the current view mode
      */
     QString currentViewModeActionName() const;
@@ -430,6 +442,12 @@ public slots:
     /** Switches between an ascending and descending sorting order. */
     void toggleSortOrder();
 
+    /**
+     * Switches on or off the displaying of additional information
+     * as specified by \a action.
+     */
+    void toggleAdditionalInfo(QAction* action);
+
 signals:
     /**
      * Is emitted if the view has been activated by e. g. a mouse click.
@@ -465,8 +483,8 @@ signals:
     /** Is emitted if the sort order (ascending or descending) has been changed. */
     void sortOrderChanged(Qt::SortOrder order);
 
-    /** Is emitted if the additional information for an item has been changed. */
-    void additionalInfoChanged(const KFileItemDelegate::InformationList& info);
+    /** Is emitted if the additional information shown for this view has been changed. */
+    void additionalInfoChanged();
 
     /**
      * Is emitted if information of an item is requested to be shown e. g. in the sidebar.