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106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/**
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* This file is part of the KDE project
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* Copyright (C) 2008 Rafael Fernández López <ereslibre@kde.org>
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* Copyright (C) 2008 Kevin Ottens <ervin@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KWIDGETITEMDELEGATEPOOL_P_H
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#define KWIDGETITEMDELEGATEPOOL_P_H
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#include <QtCore/QModelIndex>
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#include <QtCore/QHash>
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#include <QtCore/QList>
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class QWidget;
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class QStyleOptionViewItem;
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class KWidgetItemDelegate;
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class KWidgetItemDelegatePoolPrivate;
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/**
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* @internal
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*/
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class KWidgetItemDelegatePool
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{
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public:
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enum UpdateWidgetsEnum {
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UpdateWidgets = 0,
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NotUpdateWidgets
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};
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/**
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* Creates a new ItemDelegatePool.
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*
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* @param delegate the ItemDelegate for this pool.
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*/
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KWidgetItemDelegatePool(KWidgetItemDelegate *delegate);
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/**
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* Destroys an ItemDelegatePool.
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*/
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~KWidgetItemDelegatePool();
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/**
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* @brief Returns the widget associated to @p index and @p widget
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* @param index The index to search into.
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* @param option a QStyleOptionViewItem.
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* @return A QList of the pointers to the widgets found.
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* @internal
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*/
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QList<QWidget*> findWidgets(const QPersistentModelIndex &index, const QStyleOptionViewItem &option,
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UpdateWidgetsEnum updateWidgets = UpdateWidgets) const;
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/**
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* @internal
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*/
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QList<QWidget*> invalidIndexesWidgets() const;
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/**
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* @internal
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*/
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void fullClear();
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private:
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friend class KWidgetItemDelegate;
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friend class KWidgetItemDelegatePrivate;
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KWidgetItemDelegatePoolPrivate *const d;
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};
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class KWidgetItemDelegateEventListener;
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/**
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* @internal
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*/
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class KWidgetItemDelegatePoolPrivate
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{
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public:
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KWidgetItemDelegatePoolPrivate(KWidgetItemDelegate *d);
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KWidgetItemDelegate *delegate;
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KWidgetItemDelegateEventListener *eventListener;
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QList<QList<QWidget*> > allocatedWidgets;
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QHash<QPersistentModelIndex, QList<QWidget*> > usedWidgets;
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QHash<QWidget*, QPersistentModelIndex> widgetInIndex;
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bool clearing;
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};
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#endif
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