Warning, file /pim/mailcommon/src/folder/foldertreewidget.h was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
 
   SPDX-FileCopyrightText: 2009-2024 Laurent Montel <montel@kde.org>
 
   SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "foldertreewidgetproxymodel.h"
 #include "mailcommon_export.h"
 
 #include <Akonadi/Collection>
 
 #include <QAbstractItemView>
 #include <QWidget>
 #include <memory>
 namespace Akonadi
 {
 class StatisticsProxyModel;
 }
 
 class QLineEdit;
 class KXMLGUIClient;
 
 class QItemSelectionModel;
 
 namespace MailCommon
 {
 class EntityCollectionOrderProxyModel;
 class FolderTreeView;
 
 /**
  * This is the widget that shows the main folder tree.
  *
  * It consists of the view (FolderTreeView) and a search line.
  * Internally, several proxy models are used on top of a entity tree model.
  */
 class MAILCOMMON_EXPORT FolderTreeWidget : public QWidget
 {
     Q_OBJECT
 
 public:
     enum TreeViewOption {
         None = 0,
         ShowUnreadCount = 1,
         UseLineEditForFiltering = 2,
         UseDistinctSelectionModel = 4,
         ShowCollectionStatisticAnimation = 8,
         DontKeyFilter = 16,
         HideStatistics = 32,
         HideHeaderViewMenu = 64
     };
     Q_DECLARE_FLAGS(TreeViewOptions, TreeViewOption)
 
     explicit FolderTreeWidget(QWidget *parent = nullptr,
                               KXMLGUIClient *xmlGuiClient = nullptr,
                               TreeViewOptions options = (TreeViewOptions)(ShowUnreadCount | ShowCollectionStatisticAnimation),
                               FolderTreeWidgetProxyModel::FolderTreeWidgetProxyModelOptions optReadableProxy = FolderTreeWidgetProxyModel::None);
     ~FolderTreeWidget() override;
 
     /**
      * The possible tooltip display policies.
      */
     enum ToolTipDisplayPolicy {
         DisplayAlways, ///< Always display a tooltip when hovering over an item
         DisplayWhenTextElided, ///< Display the tooltip if the item text is actually elided
         DisplayNever ///< Nevery display tooltips
     };
 
     /**
      * The available sorting policies.
      */
     enum SortingPolicy {
         SortByCurrentColumn, ///< Columns are clickable, sorting is by the current column
         SortByDragAndDropKey ///< Columns are NOT clickable, sorting is done by drag and drop
     };
 
     void selectCollectionFolder(const Akonadi::Collection &col, bool expand = true);
 
     void setSelectionMode(QAbstractItemView::SelectionMode mode);
 
     [[nodiscard]] QAbstractItemView::SelectionMode selectionMode() const;
 
     [[nodiscard]] QItemSelectionModel *selectionModel() const;
 
     [[nodiscard]] QModelIndex currentIndex() const;
 
     [[nodiscard]] Akonadi::Collection selectedCollection() const;
 
     [[nodiscard]] Akonadi::Collection::List selectedCollections() const;
 
     [[nodiscard]] FolderTreeView *folderTreeView() const;
 
     [[nodiscard]] Akonadi::StatisticsProxyModel *statisticsProxyModel() const;
 
     [[nodiscard]] FolderTreeWidgetProxyModel *folderTreeWidgetProxyModel() const;
 
     [[nodiscard]] EntityCollectionOrderProxyModel *entityOrderProxy() const;
 
     [[nodiscard]] QLineEdit *filterFolderLineEdit() const;
     void applyFilter(const QString &);
     void clearFilter();
 
     void disableContextMenuAndExtraColumn();
 
     void readConfig();
 
     void restoreHeaderState(const QByteArray &data);
 
 protected:
     void changeToolTipsPolicyConfig(ToolTipDisplayPolicy);
 
     [[nodiscard]] bool event(QEvent *e) override;
 
 protected Q_SLOTS:
     void slotChangeTooltipsPolicy(FolderTreeWidget::ToolTipDisplayPolicy);
     void slotManualSortingChanged(bool);
     void slotFilterFixedString(const QString &);
     void slotGeneralFontChanged();
     void slotGeneralPaletteChanged();
 
 private:
     bool eventFilter(QObject *o, QEvent *e) override;
     class FolderTreeWidgetPrivate;
     std::unique_ptr<FolderTreeWidgetPrivate> const d;
 };
 }