File indexing completed on 2024-11-10 06:40:27
0001 /* 0002 This file is part of the KDE project 0003 SPDX-FileCopyrightText: 2008 Rafael Fernández López <ereslibre@kde.org> 0004 SPDX-FileCopyrightText: 2008 Kevin Ottens <ervin@kde.org> 0005 0006 SPDX-License-Identifier: LGPL-2.0-or-later 0007 */ 0008 0009 #ifndef KWIDGETITEMDELEGATEPOOL_P_H 0010 #define KWIDGETITEMDELEGATEPOOL_P_H 0011 0012 #include <QHash> 0013 #include <QList> 0014 #include <QPersistentModelIndex> 0015 0016 class QWidget; 0017 class QStyleOptionViewItem; 0018 class KWidgetItemDelegate; 0019 class KWidgetItemDelegatePoolPrivate; 0020 0021 /** 0022 * @internal 0023 */ 0024 class KWidgetItemDelegatePool 0025 { 0026 public: 0027 enum UpdateWidgetsEnum { 0028 UpdateWidgets = 0, 0029 NotUpdateWidgets, 0030 }; 0031 0032 /** 0033 * Creates a new ItemDelegatePool. 0034 * 0035 * @param delegate the ItemDelegate for this pool. 0036 */ 0037 0038 KWidgetItemDelegatePool(KWidgetItemDelegate *delegate); 0039 0040 /** 0041 * Destroys an ItemDelegatePool. 0042 */ 0043 ~KWidgetItemDelegatePool(); 0044 0045 KWidgetItemDelegatePool(const KWidgetItemDelegatePool &) = delete; 0046 KWidgetItemDelegatePool &operator=(const KWidgetItemDelegatePool &) = delete; 0047 0048 /** 0049 * @brief Returns the widget associated to @p index and @p widget 0050 * @param index The index to search into. 0051 * @param option a QStyleOptionViewItem. 0052 * @return A QList of the pointers to the widgets found. 0053 * @internal 0054 */ 0055 QList<QWidget *> findWidgets(const QPersistentModelIndex &index, const QStyleOptionViewItem &option, UpdateWidgetsEnum updateWidgets = UpdateWidgets) const; 0056 0057 /** 0058 * @internal 0059 */ 0060 QList<QWidget *> invalidIndexesWidgets() const; 0061 0062 /** 0063 * @internal 0064 */ 0065 void fullClear(); 0066 0067 private: 0068 friend class KWidgetItemDelegate; 0069 friend class KWidgetItemDelegatePrivate; 0070 KWidgetItemDelegatePoolPrivate *const d; 0071 }; 0072 0073 class KWidgetItemDelegateEventListener; 0074 0075 /** 0076 * @internal 0077 */ 0078 class KWidgetItemDelegatePoolPrivate 0079 { 0080 public: 0081 KWidgetItemDelegatePoolPrivate(KWidgetItemDelegate *d); 0082 0083 KWidgetItemDelegate *delegate; 0084 KWidgetItemDelegateEventListener *eventListener; 0085 0086 QList<QList<QWidget *>> allocatedWidgets; 0087 QHash<QPersistentModelIndex, QList<QWidget *>> usedWidgets; 0088 QHash<QWidget *, QPersistentModelIndex> widgetInIndex; 0089 0090 bool clearing = false; 0091 }; 0092 0093 #endif