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79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#ifndef ABSTRACTITEMVIEW_H
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#define ABSTRACTITEMVIEW_H
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#include <QAbstractItemModel>
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#include <QGraphicsSceneResizeEvent>
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#include <QPersistentModelIndex>
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#include <QItemSelection>
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#include "listitemcontainer.h"
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#include "abstractscrollarea.h"
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#include "scroller.h"
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class QItemSelectionModel;
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class AbstractItemView : public AbstractScrollArea
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{
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Q_OBJECT
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public:
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AbstractItemView(QGraphicsWidget *parent = nullptr);
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virtual ~AbstractItemView();
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virtual void setContainer(AbstractItemContainer *container);
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virtual void setModel(QAbstractItemModel *model, AbstractViewItem *prototype);
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virtual QAbstractItemModel* model() const;
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virtual void setItemPrototype(AbstractViewItem* prototype);
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void setSelectionModel(QItemSelectionModel *smodel);
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virtual QModelIndex nextIndex(const QModelIndex &index) const;
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virtual QModelIndex previousIndex(const QModelIndex &index) const;
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virtual int indexCount() const;
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void refreshContainerGeometry(); // TODO Can this be moved to scroll area?
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void updateViewContent();
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virtual void scrollContentsBy(qreal dx, qreal dy);
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virtual bool listItemCaching() const = 0;
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virtual void setListItemCaching(bool enabled) = 0;
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protected:
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virtual bool event(QEvent *e);
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void changeTheme();
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public slots:
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virtual void setRootIndex(const QModelIndex &index);
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void setCurrentIndex(const QModelIndex &index,
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QItemSelectionModel::SelectionFlags selectionFlag = QItemSelectionModel::NoUpdate);
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protected slots:
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virtual void currentIndexChanged(const QModelIndex ¤t, const QModelIndex &previous);
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virtual void currentSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
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virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
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virtual void rowsAboutToBeInserted(const QModelIndex &index, int start, int end);
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virtual void rowsInserted(const QModelIndex &parent, int start, int end);
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virtual void rowsAboutToBeRemoved(const QModelIndex &index,int start, int end);
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virtual void rowsRemoved(const QModelIndex &parent,int start, int end);
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virtual void modelDestroyed();
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virtual void layoutChanged();
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virtual void reset();
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protected:
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QAbstractItemModel *m_model;
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QPersistentModelIndex m_rootIndex;
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AbstractItemContainer *m_container;
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QItemSelectionModel *m_selectionModel;
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QPersistentModelIndex m_currentIndex;
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private:
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Q_DISABLE_COPY(AbstractItemView)
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Scroller m_scroller;
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};
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#endif // ABSTRACTITEMVIEW_H
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