| 1 | /* |
|---|---|
| 2 | This file is part of the KDE project |
| 3 | SPDX-FileCopyrightText: 2008 Rafael Fernández López <ereslibre@kde.org> |
| 4 | SPDX-FileCopyrightText: 2008 Kevin Ottens <ervin@kde.org> |
| 5 | |
| 6 | SPDX-License-Identifier: LGPL-2.0-or-later |
| 7 | */ |
| 8 | |
| 9 | #ifndef KWIDGETITEMDELEGATEPOOL_P_H |
| 10 | #define KWIDGETITEMDELEGATEPOOL_P_H |
| 11 | |
| 12 | #include <QHash> |
| 13 | #include <QList> |
| 14 | #include <QPersistentModelIndex> |
| 15 | |
| 16 | class QWidget; |
| 17 | class QStyleOptionViewItem; |
| 18 | class KWidgetItemDelegate; |
| 19 | class KWidgetItemDelegatePoolPrivate; |
| 20 | |
| 21 | /** |
| 22 | * @internal |
| 23 | */ |
| 24 | class KWidgetItemDelegatePool |
| 25 | { |
| 26 | public: |
| 27 | enum UpdateWidgetsEnum { |
| 28 | UpdateWidgets = 0, |
| 29 | NotUpdateWidgets, |
| 30 | }; |
| 31 | |
| 32 | /** |
| 33 | * Creates a new ItemDelegatePool. |
| 34 | * |
| 35 | * @param delegate the ItemDelegate for this pool. |
| 36 | */ |
| 37 | |
| 38 | KWidgetItemDelegatePool(KWidgetItemDelegate *delegate); |
| 39 | |
| 40 | /** |
| 41 | * Destroys an ItemDelegatePool. |
| 42 | */ |
| 43 | ~KWidgetItemDelegatePool(); |
| 44 | |
| 45 | KWidgetItemDelegatePool(const KWidgetItemDelegatePool &) = delete; |
| 46 | KWidgetItemDelegatePool &operator=(const KWidgetItemDelegatePool &) = delete; |
| 47 | |
| 48 | /** |
| 49 | * @brief Returns the widget associated to @p index and @p widget |
| 50 | * @param index The index to search into. |
| 51 | * @param option a QStyleOptionViewItem. |
| 52 | * @return A QList of the pointers to the widgets found. |
| 53 | * @internal |
| 54 | */ |
| 55 | QList<QWidget *> findWidgets(const QPersistentModelIndex &index, const QStyleOptionViewItem &option, UpdateWidgetsEnum updateWidgets = UpdateWidgets) const; |
| 56 | |
| 57 | /** |
| 58 | * @internal |
| 59 | */ |
| 60 | QList<QWidget *> invalidIndexesWidgets() const; |
| 61 | |
| 62 | /** |
| 63 | * @internal |
| 64 | */ |
| 65 | void fullClear(); |
| 66 | |
| 67 | private: |
| 68 | friend class KWidgetItemDelegate; |
| 69 | friend class KWidgetItemDelegatePrivate; |
| 70 | KWidgetItemDelegatePoolPrivate *const d; |
| 71 | }; |
| 72 | |
| 73 | class KWidgetItemDelegateEventListener; |
| 74 | |
| 75 | /** |
| 76 | * @internal |
| 77 | */ |
| 78 | class KWidgetItemDelegatePoolPrivate |
| 79 | { |
| 80 | public: |
| 81 | KWidgetItemDelegatePoolPrivate(KWidgetItemDelegate *d); |
| 82 | |
| 83 | KWidgetItemDelegate *delegate; |
| 84 | KWidgetItemDelegateEventListener *eventListener; |
| 85 | |
| 86 | QList<QList<QWidget *>> allocatedWidgets; |
| 87 | QHash<QPersistentModelIndex, QList<QWidget *>> usedWidgets; |
| 88 | QHash<QWidget *, QPersistentModelIndex> widgetInIndex; |
| 89 | |
| 90 | bool clearing = false; |
| 91 | }; |
| 92 | |
| 93 | #endif |
| 94 |