/* * SPDX-FileCopyrightText: 2006-2009 Peter Penz * SPDX-FileCopyrightText: 2006 Gregor Kališnik * * 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 #include #include #include #include #include #include #include #include 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 &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 ®exp, 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(); /** * Updates the view properties of the current URL to the * sorting given by \a role. */ void setSortRole(const QByteArray &role); QByteArray sortRole() const; /** * Updates the view properties of the current URL to the * sort order given by \a order. */ 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 &roles); /** Returns the additional information which should be shown for the items. */ QList 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 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 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 ¤t, const QList &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 &message, const int kioErrorCode); /** * 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(); /** * Emitted when the view's background is double-clicked. * Used to trigger an user configured action. */ void doubleClickViewBackground(Qt::MouseButton button); 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 slotSelectedItemTextPressed(int index); void slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to); void slotItemLinkCreatedFromJob(KIO::Job *, const QUrl &, const QString &, 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 ¤t, 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 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 ¤t, 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 ¤t, const QList &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 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 ¤t, const QList &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 m_visibleRoles; QPointer 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 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 m_hoveredColumnHeaderIndex; /// Used for selection mode. @see setSelectionMode() std::unique_ptr 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