File indexing completed on 2024-05-05 10:08:00

 /*
  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef DOLPHINVIEW_H
 #define DOLPHINVIEW_H
 
 #include "dolphin_export.h"
 #include "dolphintabwidget.h"
 #include "tooltips/tooltipmanager.h"
 
 #include "config-dolphin.h"
 #include <KFileItem>
 #include <KIO/StatJob>
 #include <kio/fileundomanager.h>
 #include <kparts/part.h>
 
 #include <QMimeData>
 #include <QPointer>
 #include <QUrl>
 #include <QWidget>
 
 #include <memory>
 
 typedef KIO::FileUndoManager::CommandType CommandType;
 class QVBoxLayout;
 class DolphinItemListView;
 class KFileItemModel;
 class KItemListContainer;
 class KItemModelBase;
 class KItemSet;
 class ToolTipManager;
 class VersionControlObserver;
 class ViewProperties;
 class QLabel;
 class QGraphicsSceneDragDropEvent;
 class QHelpEvent;
 class QProxyStyle;
 class QRegularExpression;
 
 /**
  * @short Represents a view for the directory content.
  *
  * View modes for icons, compact and details are supported. It's
  * possible to adjust:
  * - sort order
  * - sort type
  * - show hidden files
  * - show previews
  * - enable grouping
  */
 class DOLPHIN_EXPORT DolphinView : public QWidget
 {
     Q_OBJECT
 
 public:
     /**
      * Defines the view mode for a directory. The
      * view mode is automatically updated if the directory itself
      * defines a view mode (see class ViewProperties for details).
      */
     enum Mode {
         /**
          * The items are shown as icons with a name-label below.
          */
         IconsView = 0,
 
         /**
          * The icon, the name and the size of the items are
          * shown per default as a table.
          */
         DetailsView,
 
         /**
          * The items are shown as icons with the name-label aligned
          * to the right side.
          */
         CompactView
     };
 
     /**
      * @param url              Specifies the content which should be shown.
      * @param parent           Parent widget of the view.
      */
     DolphinView(const QUrl &url, QWidget *parent);
 
     ~DolphinView() override;
 
     /**
      * Returns the current active URL, where all actions are applied.
      * The URL navigator is synchronized with this URL.
      */
     QUrl url() const;
 
     /**
      * If \a active is true, the view will marked as active. The active
      * view is defined as view where all actions are applied to.
      */
     void setActive(bool active);
     bool isActive() const;
 
     /**
      * Changes the view mode for the current directory to \a mode.
      * If the view properties should be remembered for each directory
      * (GeneralSettings::globalViewProps() returns false), then the
      * changed view mode will be stored automatically.
      */
     void setViewMode(Mode mode);
     Mode viewMode() const;
 
     /**
      * Enables or disables a mode for quick and easy selection of items.
      */
     void setSelectionModeEnabled(bool enabled);
     bool selectionMode() const;
 
     /**
      * Turns on the file preview for the all files of the current directory,
      * if \a show is true.
      * If the view properties should be remembered for each directory
      * (GeneralSettings::globalViewProps() returns false), then the
      * preview setting will be stored automatically.
      */
     void setPreviewsShown(bool show);
     bool previewsShown() const;
 
     /**
      * Shows all hidden files of the current directory,
      * if \a show is true.
      * If the view properties should be remembered for each directory
      * (GeneralSettings::globalViewProps() returns false), then the
      * show hidden file setting will be stored automatically.
      */
     void setHiddenFilesShown(bool show);
     bool hiddenFilesShown() const;
 
     /**
      * Turns on sorting by groups if \a enable is true.
      */
     void setGroupedSorting(bool grouped);
     bool groupedSorting() const;
 
     /**
      * Returns the items of the view.
      */
     KFileItemList items() const;
 
     /**
      * @return The number of items. itemsCount() is faster in comparison
      *         to items().count().
      */
     int itemsCount() const;
 
     /**
      * Returns the selected items. The list is empty if no item has been
      * selected.
      */
     KFileItemList selectedItems() const;
 
     /**
      * Returns the number of selected items (this is faster than
      * invoking selectedItems().count()).
      */
     int selectedItemsCount() const;
 
     /**
      * Marks the items indicated by \p urls to get selected after the
      * directory DolphinView::url() has been loaded. Note that nothing
      * gets selected if no loading of a directory has been triggered
      * by DolphinView::setUrl() or DolphinView::reload().
      */
     void markUrlsAsSelected(const QList<QUrl> &urls);
 
     /**
      * Marks the item indicated by \p url to be scrolled to and as the
      * current item after directory DolphinView::url() has been loaded.
      */
     void markUrlAsCurrent(const QUrl &url);
 
     /**
      * All items that match the regular expression \a regexp will get selected
      * if \a enabled is true and deselected if \a enabled is false.
      *
      * Note that to match the whole string the pattern should be anchored:
      * - you can anchor the pattern with QRegularExpression::anchoredPattern()
      * - if you use QRegularExpresssion::wildcardToRegularExpression(), don't use
      *   QRegularExpression::anchoredPattern() as the former already returns an
      *   anchored pattern
      */
     void selectItems(const QRegularExpression &regexp, bool enabled);
 
     /**
      * Sets the zoom level to \a level. It is assured that the used
      * level is adjusted to be inside the range ZoomLevelInfo::minimumLevel() and
      * ZoomLevelInfo::maximumLevel().
      */
     void setZoomLevel(int level);
     int zoomLevel() const;
 
     /**
      * Resets the view's icon size to the default value
      */
     void resetZoomLevel();
 
     void setSortRole(const QByteArray &role);
     QByteArray sortRole() const;
 
     void setSortOrder(Qt::SortOrder order);
     Qt::SortOrder sortOrder() const;
 
     /** Sets a separate sorting with folders first (true) or a mixed sorting of files and folders (false). */
     void setSortFoldersFirst(bool foldersFirst);
     bool sortFoldersFirst() const;
 
     /** Sets a separate sorting with hidden files and folders last (true) or not (false). */
     void setSortHiddenLast(bool hiddenLast);
     bool sortHiddenLast() const;
 
     /** Sets the additional information which should be shown for the items. */
     void setVisibleRoles(const QList<QByteArray> &roles);
 
     /** Returns the additional information which should be shown for the items. */
     QList<QByteArray> visibleRoles() const;
 
     /**
      * Refreshes the view to get synchronized with the settings (e.g. icons size,
      * font, ...).
      */
     void readSettings();
 
     /**
      * Saves the current settings (e.g. icons size, font, ..).
      */
     void writeSettings();
 
     /**
      * Filters the currently shown items by \a nameFilter. All items
      * which contain the given filter string will be shown.
      */
     void setNameFilter(const QString &nameFilter);
     QString nameFilter() const;
 
     /**
      * Filters the currently shown items by \a filters. All items
      * whose content-type matches those given by the list of filters
      * will be shown.
      */
     void setMimeTypeFilters(const QStringList &filters);
     QStringList mimeTypeFilters() const;
 
     /**
      * Tells the view to generate an updated status bar text. The result
      * is returned through the statusBarTextChanged(QString statusBarText) signal.
      * It will carry a textual representation of the state of the current
      * folder or selected items, suitable for use in the status bar.
      * Any pending requests of status bar text are killed.
      */
     void requestStatusBarText();
 
     /**
      * Returns the version control actions that are provided for the items \p items.
      * Usually the actions are presented in the context menu.
      */
     QList<QAction *> versionControlActions(const KFileItemList &items) const;
 
     /**
      * Returns the state of the paste action:
      * first is whether the action should be enabled
      * second is the text for the action
      */
     QPair<bool, QString> pasteInfo() const;
 
     /**
      * If \a tabsForFiles is true, the signal tabRequested() will also
      * emitted also for files. Per default tabs for files is disabled
      * and hence the signal tabRequested() will only be emitted for
      * directories.
      */
     void setTabsForFilesEnabled(bool tabsForFiles);
     bool isTabsForFilesEnabled() const;
 
     /**
      * Returns true if the current view allows folders to be expanded,
      * i.e. presents a hierarchical view to the user.
      */
     bool itemsExpandable() const;
 
     /**
      * @returns true if the @p item is one of the items() of this view and
      * is currently expanded. false otherwise.
      * Only directories in view modes that allow expanding can ever be expanded.
      */
     bool isExpanded(const KFileItem &item) const;
 
     /**
      * Restores the view state (current item, contents position, details view expansion state)
      */
     void restoreState(QDataStream &stream);
 
     /**
      * Saves the view state (current item, contents position, details view expansion state)
      */
     void saveState(QDataStream &stream);
 
     /**
      * Returns the root item which represents the current URL.
      */
     KFileItem rootItem() const;
 
     /**
      * Sets a context that is used for remembering the view-properties.
      * Per default the context is empty and the path of the currently set URL
      * is used for remembering the view-properties. Setting a custom context
      * makes sense if specific types of URLs (e.g. search-URLs) should
      * share common view-properties.
      */
     void setViewPropertiesContext(const QString &context);
     QString viewPropertiesContext() const;
 
     /**
      * Checks if the given \a item can be opened as folder (e.g. archives).
      * This function will also adjust the \a url (e.g. change the protocol).
      * @return a valid and adjusted url if the item can be opened as folder,
      * otherwise return an empty url.
      */
     static QUrl openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives = true);
 
     /**
      * Hides tooltip displayed over element.
      */
     void hideToolTip(const ToolTipManager::HideBehavior behavior = ToolTipManager::HideBehavior::Later);
 
     /**
      * Check if the space key should be handled as a normal key, even if it's
      * used as a keyboard shortcut.
      *
      * See BUG 465489
      */
     bool handleSpaceAsNormalKey() const;
 
     /** Activates the view if the item list container gets focus. */
     bool eventFilter(QObject *watched, QEvent *event) override;
 
     /**
      * Returns whether the folder represented by the current URL is writable.
      */
     bool isFolderWritable() const;
 
 public Q_SLOTS:
 
     void reload();
 
     /**
      * Changes the directory to \a url. If the current directory is equal to
      * \a url, nothing will be done (use DolphinView::reload() instead).
      */
     void setUrl(const QUrl &url);
 
     /**
      * Selects all items.
      * @see DolphinView::selectedItems()
      */
     void selectAll();
 
     /**
      * Inverts the current selection: selected items get unselected,
      * unselected items get selected.
      * @see DolphinView::selectedItems()
      */
     void invertSelection();
 
     void clearSelection();
 
     /**
      * Triggers the renaming of the currently selected items, where
      * the user must input a new name for the items.
      */
     void renameSelectedItems();
 
     /**
      * Moves all selected items to the trash.
      */
     void trashSelectedItems();
 
     /**
      * Deletes all selected items.
      */
     void deleteSelectedItems();
 
     /**
      * Copies all selected items to the clipboard and marks
      * the items as cut.
      */
     void cutSelectedItemsToClipboard();
 
     /** Copies all selected items to the clipboard. */
     void copySelectedItemsToClipboard();
 
     /**
      * Copies all selected items to @p destinationUrl.
      */
     void copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl);
 
     /**
      * Moves all selected items to @p destinationUrl.
      */
     void moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl);
 
     /** Pastes the clipboard data to this view. */
     void paste();
 
     /**
      * Pastes the clipboard data into the currently selected
      * folder. If the current selection is not exactly one folder, no
      * paste operation is done.
      */
     void pasteIntoFolder();
 
     /**
      * Copies the path of the first selected KFileItem into Clipboard.
      */
     void copyPathToClipboard();
 
     /**
      * Creates duplicates of selected items, appending "copy"
      * to the end.
      */
     void duplicateSelectedItems();
 
     /**
      * Handles a drop of @p dropEvent onto widget @p dropWidget and destination @p destUrl
      */
     void dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget);
 
     void stopLoading();
 
     /**
      * Applies the state that has been restored by restoreViewState()
      * to the view.
      */
     void updateViewState();
 
 Q_SIGNALS:
     /**
      * Is emitted if the view has been activated by e. g. a mouse click.
      */
     void activated();
 
     /** Is emitted if the URL of the view has been changed to \a url. */
     void urlChanged(const QUrl &url);
 
     /**
      * Is emitted when clicking on an item with the left mouse button.
      */
     void itemActivated(const KFileItem &item);
 
     /**
      * Is emitted when clicking on a file with the middle mouse button.
      * @note: This will not be emitted for folders or file archives that will/can be opened like folders.
      */
     void fileMiddleClickActivated(const KFileItem &item);
 
     /**
      * Is emitted when multiple items have been activated by e. g.
      * context menu open with.
      */
     void itemsActivated(const KFileItemList &items);
 
     /**
      * Is emitted if items have been added or deleted.
      */
     void itemCountChanged();
 
     /**
      * Is emitted if a new tab should be opened for the URL \a url.
      */
     void tabRequested(const QUrl &url);
 
     /**
      * Is emitted if a new tab should be opened for the URL \a url and set as active.
      */
     void activeTabRequested(const QUrl &url);
 
     /**
      * Is emitted if a new window should be opened for the URL \a url.
      */
     void windowRequested(const QUrl &url);
 
     /**
      * Is emitted if the view mode (IconsView, DetailsView,
      * PreviewsView) has been changed.
      */
     void modeChanged(DolphinView::Mode current, DolphinView::Mode previous);
 
     /** Is emitted if the 'show preview' property has been changed. */
     void previewsShownChanged(bool shown);
 
     /** Is emitted if the 'show hidden files' property has been changed. */
     void hiddenFilesShownChanged(bool shown);
 
     /** Is emitted if the 'grouped sorting' property has been changed. */
     void groupedSortingChanged(bool groupedSorting);
 
     /** Is emitted in reaction to a requestStatusBarText() call.
      * @see requestStatusBarText() */
     void statusBarTextChanged(QString statusBarText);
 
     /** Is emitted if the sorting by name, size or date has been changed. */
     void sortRoleChanged(const QByteArray &role);
 
     /** Is emitted if the sort order (ascending or descending) has been changed. */
     void sortOrderChanged(Qt::SortOrder order);
 
     /**
      * Is emitted if the sorting of files and folders (separate with folders
      * first or mixed) has been changed.
      */
     void sortFoldersFirstChanged(bool foldersFirst);
 
     /**
      * Is emitted if the sorting of hidden files has been changed.
      */
     void sortHiddenLastChanged(bool hiddenLast);
 
     /** Is emitted if the additional information shown for this view has been changed. */
     void visibleRolesChanged(const QList<QByteArray> &current, const QList<QByteArray> &previous);
 
     /** Is emitted if the zoom level has been changed by zooming in or out. */
     void zoomLevelChanged(int current, int previous);
 
     /**
      * Is emitted if information of an item is requested to be shown e. g. in the panel.
      * If item is null, no item information request is pending.
      */
     void requestItemInfo(const KFileItem &item);
 
     /**
      * Is emitted whenever the selection has been changed.
      */
     void selectionChanged(const KFileItemList &selection);
 
     /**
      * Is emitted if a context menu is requested for the item \a item,
      * which is part of \a url. If the item is null, the context menu
      * for the URL should be shown.
      */
     void requestContextMenu(const QPoint &pos, const KFileItem &item, const KFileItemList &selectedItems, const QUrl &url);
 
     /**
      * Is emitted if an information message with the content \a msg
      * should be shown.
      */
     void infoMessage(const QString &msg);
 
     /**
      * Is emitted if an error message with the content \a msg
      * should be shown.
      */
     void errorMessage(const QString &msg);
 
     /**
      * Is emitted if an "operation completed" message with the content \a msg
      * should be shown.
      */
     void operationCompletedMessage(const QString &msg);
 
     /**
      * Is emitted after DolphinView::setUrl() has been invoked and
      * the current directory is loaded. If this signal is emitted,
      * it is assured that the view contains already the correct root
      * URL and property settings.
      */
     void directoryLoadingStarted();
 
     /**
      * Is emitted after the directory triggered by DolphinView::setUrl()
      * has been loaded.
      */
     void directoryLoadingCompleted();
 
     /**
      * Is emitted after the directory loading triggered by DolphinView::setUrl()
      * has been canceled.
      */
     void directoryLoadingCanceled();
 
     /**
      * Is emitted after DolphinView::setUrl() has been invoked and provides
      * the information how much percent of the current directory have been loaded.
      */
     void directoryLoadingProgress(int percent);
 
     /**
      * Is emitted if the sorting is done asynchronously and provides the
      * progress information of the sorting.
      */
     void directorySortingProgress(int percent);
 
     /**
      * Emitted when the file-item-model emits redirection.
      * Testcase: fish://localhost
      */
     void redirection(const QUrl &oldUrl, const QUrl &newUrl);
 
     /**
      * Is emitted when the URL set by DolphinView::setUrl() represents a file.
      * In this case no signal errorMessage() will be emitted.
      */
     void urlIsFileError(const QUrl &url);
 
     /**
      * Is emitted when the write state of the folder has been changed. The application
      * should disable all actions like "Create New..." that depend on the write
      * state.
      */
     void writeStateChanged(bool isFolderWritable);
 
     /**
      * Is emitted if the URL should be changed to the previous URL of the
      * history (e.g. because the "back"-mousebutton has been pressed).
      */
     void goBackRequested();
 
     /**
      * Is emitted if the URL should be changed to the next URL of the
      * history (e.g. because the "next"-mousebutton has been pressed).
      */
     void goForwardRequested();
 
     /**
      * Used to request either entering or leaving of selection mode
      * Entering is typically requested on press and hold.
      * Leaving by pressing Escape when no item is selected.
      */
     void selectionModeChangeRequested(bool enabled);
 
     /**
      * Is emitted when the user wants to move the focus to another view.
      */
     void toggleActiveViewRequested();
 
     /**
      * Is emitted when the user clicks a tag or a link
      * in the metadata widget of a tooltip.
      */
     void urlActivated(const QUrl &url);
 
     void goUpRequested();
 
     void fileItemsChanged(const KFileItemList &changedFileItems);
 
     /**
      * Emitted when the current directory of the model was removed.
      */
     void currentDirectoryRemoved();
 
 protected:
     /** Changes the zoom level if Control is pressed during a wheel event. */
     void wheelEvent(QWheelEvent *event) override;
 
     void hideEvent(QHideEvent *event) override;
     bool event(QEvent *event) override;
 
 private Q_SLOTS:
     /**
      * Marks the view as active (DolphinView:isActive() will return true)
      * and emits the 'activated' signal if it is not already active.
      */
     void activate();
 
     void slotItemActivated(int index);
     void slotItemsActivated(const KItemSet &indexes);
     void slotItemMiddleClicked(int index);
     void slotItemContextMenuRequested(int index, const QPointF &pos);
     void slotViewContextMenuRequested(const QPointF &pos);
     void slotHeaderContextMenuRequested(const QPointF &pos);
     void slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current);
     void slotSidePaddingWidthChanged(qreal width);
     void slotItemHovered(int index);
     void slotItemUnhovered(int index);
     void slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event);
     void slotModelChanged(KItemModelBase *current, KItemModelBase *previous);
     void slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons);
     void slotRenameDialogRenamingFinished(const QList<QUrl> &urls);
     void slotSelectedItemTextPressed(int index);
     void slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to);
     void slotIncreaseZoom();
     void slotDecreaseZoom();
     void slotSwipeUp();
 
     /*
      * Is called when new items get pasted or dropped.
      */
     void slotItemCreated(const QUrl &url);
     /*
      * Is called after all pasted or dropped items have been copied to destination.
      */
     void slotJobResult(KJob *job);
 
     /**
      * Emits the signal \a selectionChanged() with a small delay. This is
      * because getting all file items for the selection can be an expensive
      * operation. Fast selection changes are collected in this case and
      * the signal is emitted only after no selection change has been done
      * within a small delay.
      */
     void slotSelectionChanged(const KItemSet &current, const KItemSet &previous);
 
     /**
      * Is called by emitDelayedSelectionChangedSignal() and emits the
      * signal \a selectionChanged() with all selected file items as parameter.
      */
     void emitSelectionChangedSignal();
 
     /**
      * Helper method for DolphinView::requestStatusBarText().
      * Calculates the amount of folders and files and their total size in
      * response to a KStatJob::result(), then calls emitStatusBarText().
      * @see requestStatusBarText()
      * @see emitStatusBarText()
      */
     void slotStatJobResult(KJob *job);
 
     /**
      * Updates the view properties of the current URL to the
      * sorting given by \a role.
      */
     void updateSortRole(const QByteArray &role);
 
     /**
      * Updates the view properties of the current URL to the
      * sort order given by \a order.
      */
     void updateSortOrder(Qt::SortOrder order);
 
     /**
      * Updates the view properties of the current URL to the
      * sorting of files and folders (separate with folders first or mixed) given by \a foldersFirst.
      */
     void updateSortFoldersFirst(bool foldersFirst);
 
     /**
      * Updates the view properties of the current URL to the
      * sorting of hidden files given by \a hiddenLast.
      */
     void updateSortHiddenLast(bool hiddenLast);
 
     /**
      * Indicates in the status bar that the delete operation
      * of the job \a job has been finished.
      */
     void slotDeleteFileFinished(KJob *job);
 
     /**
      * Indicates in the status bar that the trash operation
      * of the job \a job has been finished.
      */
     void slotTrashFileFinished(KJob *job);
 
     /**
      * Invoked when the rename job is done, for error handling.
      */
     void slotRenamingResult(KJob *job);
 
     /**
      * Invoked when the file item model has started the loading
      * of the directory specified by DolphinView::url().
      */
     void slotDirectoryLoadingStarted();
 
     /**
      * Invoked when the file item model indicates that the loading of a directory has
      * been completed. Assures that pasted items and renamed items get selected.
      */
     void slotDirectoryLoadingCompleted();
 
     /**
      * Invoked when the file item model indicates that the loading of a directory has
      * been canceled.
      */
     void slotDirectoryLoadingCanceled();
 
     /**
      * Is invoked when items of KFileItemModel have been changed.
      */
     void slotItemsChanged();
 
     /**
      * Is invoked when the sort order has been changed by the user by clicking
      * on a header item. The view properties of the directory will get updated.
      */
     void slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous);
 
     /**
      * Is invoked when the sort role has been changed by the user by clicking
      * on a header item. The view properties of the directory will get updated.
      */
     void slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous);
 
     /**
      * Is invoked when the visible roles have been changed by the user by dragging
      * a header item. The view properties of the directory will get updated.
      */
     void slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous);
 
     void slotRoleEditingCanceled();
     void slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value);
 
     /**
      * Observes the item with the URL \a url. As soon as the directory
      * model indicates that the item is available, the item will
      * get selected and it is assured that the item stays visible.
      */
     void observeCreatedItem(const QUrl &url);
 
     /**
      * Selects the next item after prev selection deleted/trashed
      */
     void selectNextItem();
 
     /**
      * Called when a redirection happens.
      * Testcase: fish://localhost
      */
     void slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl);
 
     void slotTwoClicksRenamingTimerTimeout();
 
     void onDirectoryLoadingCompletedAfterJob();
 
 private:
     void loadDirectory(const QUrl &url, bool reload = false);
 
     /**
      * Applies the view properties which are defined by the current URL
      * to the DolphinView properties. The view properties are read from a
      * .directory file either in the current directory, or in the
      * share/apps/dolphin/view_properties/ subfolder of the user's .kde folder.
      */
     void applyViewProperties();
 
     /**
      * Applies the given view properties to the DolphinView.
      */
     void applyViewProperties(const ViewProperties &props);
 
     /**
      * Applies the m_mode property to the corresponding
      * itemlayout-property of the KItemListView.
      */
     void applyModeToView();
 
     enum Selection { HasSelection, NoSelection };
     /**
      * Helper method for DolphinView::requestStatusBarText().
      * Generates the status bar text from the parameters and
      * then emits statusBarTextChanged().
      * @param totalFileSize the sum of the sizes of the files
      * @param selection     if HasSelection is passed, the emitted status bar text will say
      *                      that the folders and files which are counted here are selected.
      */
     void emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection);
 
     /**
      * Helper method for DolphinView::paste() and DolphinView::pasteIntoFolder().
      * Pastes the clipboard data into the URL \a url.
      */
     void pasteToUrl(const QUrl &url);
 
     /**
      * Returns a list of URLs for all selected items. The list is
      * simplified, so that when the URLs are part of different tree
      * levels, only the parent is returned.
      */
     QList<QUrl> simplifiedSelectedUrls() const;
 
     /**
      * Returns the MIME data for all selected items.
      */
     QMimeData *selectionMimeData() const;
 
     /**
      * Updates m_isFolderWritable dependent on whether the folder represented by
      * the current URL is writable. If the state has changed, the signal
      * writeStateChanged() will be emitted.
      */
     void updateWritableState();
 
     /**
      * @return The current URL if no viewproperties-context is given (see
      *         DolphinView::viewPropertiesContext(), otherwise the context
      *         is returned.
      */
     QUrl viewPropertiesUrl() const;
 
     /**
      * Clears the selection and updates current item and selection according to the parameters
      *
      * @param current URL to be set as current
      * @param selected list of selected items
      */
     void forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected);
 
     void abortTwoClicksRenaming();
 
     void updatePlaceholderLabel();
 
     bool tryShowNameToolTip(QHelpEvent *event);
 
 private:
     void updatePalette();
     void showLoadingPlaceholder();
 
     bool m_active;
     bool m_tabsForFiles;
     bool m_assureVisibleCurrentIndex;
     bool m_isFolderWritable;
     bool m_dragging; // True if a dragging is done. Required to be able to decide whether a
                      // tooltip may be shown when hovering an item.
     bool m_selectNextItem;
 
     enum class LoadingState { Idle, Loading, Canceled, Completed };
     LoadingState m_loadingState = LoadingState::Idle;
 
     QUrl m_url;
     QString m_viewPropertiesContext;
     Mode m_mode;
     QList<QByteArray> m_visibleRoles;
 
     QPointer<KIO::StatJob> m_statJobForStatusBarText;
 
     QVBoxLayout *m_topLayout;
 
     KFileItemModel *m_model;
     DolphinItemListView *m_view;
     KItemListContainer *m_container;
 
     ToolTipManager *m_toolTipManager;
 
     QTimer *m_selectionChangedTimer;
 
     QUrl m_currentItemUrl; // Used for making the view to remember the current URL after F5
     bool m_scrollToCurrentItem; // Used for marking we need to scroll to current item or not
     QPoint m_restoredContentsPosition;
 
     // Used for tracking the accumulated scroll amount (for zooming with high
     // resolution scroll wheels)
     int m_controlWheelAccumulatedDelta;
 
     QList<QUrl> m_selectedUrls; // Used for making the view to remember selections after F5 and file operations
     bool m_clearSelectionBeforeSelectingNewItems;
     bool m_markFirstNewlySelectedItemAsCurrent;
     /// Decides whether items created by jobs should automatically be selected.
     bool m_selectJobCreatedItems;
 
     VersionControlObserver *m_versionControlObserver;
 
     QTimer *m_twoClicksRenamingTimer;
     QUrl m_twoClicksRenamingItemUrl;
     QLabel *m_placeholderLabel;
     QTimer *m_showLoadingPlaceholderTimer;
 
     /// The information roleIndex of the list column header currently hovered
     std::optional<int> m_hoveredColumnHeaderIndex;
 
     /// Used for selection mode. @see setSelectionMode()
     std::unique_ptr<QProxyStyle> m_proxyStyle;
 
     // For unit tests
     friend class TestBase;
     friend class DolphinDetailsViewTest;
     friend class DolphinMainWindowTest;
     friend class DolphinPart; // Accesses m_model
     void updateSelectionState();
 };
 
 /// Allow using DolphinView::Mode in QVariant
 Q_DECLARE_METATYPE(DolphinView::Mode)
 
 #endif // DOLPHINVIEW_H