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The keyword "virtual" signalizes that the function is virtual, i.e. the function of the derived class is called, even if the call is on the parent class. It is not necessary to repeat the "virtual" keyword in derived classes. To highlight derived virtual functions, the keyword "override" should be used instead. It results in a hard compile- error, if no function is overridden, thus avoiding subtle bugs. Replace "virtual" by "override" where appropriate. Moreover, replace Q_DECL_OVERRIDE by override, since we require reasonably recent compilers anyway. Likewise, replace /* reimp */ by "override" for consistency and compiler support. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
40 lines
1 KiB
C++
40 lines
1 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef TREEMODEL_H
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#define TREEMODEL_H
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#include <QAbstractItemModel>
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#include <QCoreApplication>
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struct TreeItem {
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Q_DECLARE_TR_FUNCTIONS(TreeItemDT)
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public:
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virtual ~TreeItem();
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TreeItem();
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virtual QVariant data(int column, int role) const;
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virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
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virtual Qt::ItemFlags flags(const QModelIndex &index) const;
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int row() const;
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QList<TreeItem *> children;
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TreeItem *parent;
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};
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class TreeModel : public QAbstractItemModel {
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Q_OBJECT
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public:
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TreeModel(QObject *parent = 0);
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~TreeModel();
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QVariant data(const QModelIndex &index, int role) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex &child) const override;
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protected:
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int columns;
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TreeItem *rootItem;
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};
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#endif
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