/usr/include/qgis/qgsmaplayermodel.h is in libqgis-dev 2.18.17+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsmaplayermodel.h
--------------------------------------
Date : 01.04.2014
Copyright : (C) 2014 Denis Rouzaud
Email : denis.rouzaud@gmail.com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSMAPLAYERMODEL_H
#define QGSMAPLAYERMODEL_H
#include <QAbstractItemModel>
#include <QSortFilterProxyModel>
#include <QStringList>
class QgsMapLayer;
/** \ingroup gui
* @brief The QgsMapLayerModel class is a model to display layers in widgets.
* @see QgsMapLayerProxyModel to sort and/filter the layers
* @see QgsFieldModel to combine in with a field selector.
* @note added in 2.3
*/
// TODO QGIS3: move to core
class GUI_EXPORT QgsMapLayerModel : public QAbstractItemModel
{
Q_OBJECT
public:
//! Item data roles
enum ItemDataRole
{
LayerIdRole = Qt::UserRole + 1, /*!< Stores the map layer ID */
LayerRole, /*!< Stores pointer to the map layer itself */
};
/**
* @brief QgsMapLayerModel creates a model to display layers in widgets.
*/
explicit QgsMapLayerModel( QObject *parent = nullptr );
/**
* @brief QgsMapLayerModel creates a model to display a specific list of layers in a widget.
*/
explicit QgsMapLayerModel( const QList<QgsMapLayer*>& layers, QObject *parent = nullptr );
/**
* @brief setItemsCheckable defines if layers should be selectable in the widget
*/
void setItemsCheckable( bool checkable );
/**
* @brief checkAll changes the checkstate for all the layers
*/
void checkAll( Qt::CheckState checkState );
/**
* @brief layersChecked returns the list of layers which are checked (or unchecked)
*/
QList<QgsMapLayer*> layersChecked( Qt::CheckState checkState = Qt::Checked );
//! returns if the items can be checked or not
bool itemsCheckable() const { return mItemCheckable; }
/**
* @brief indexFromLayer returns the model index for a given layer
*/
QModelIndex indexFromLayer( QgsMapLayer* layer ) const;
protected slots:
void removeLayers( const QStringList& layerIds );
void addLayers( const QList<QgsMapLayer*>& layers );
protected:
QList<QgsMapLayer*> mLayers;
QMap<QString, Qt::CheckState> mLayersChecked;
bool mItemCheckable;
// QAbstractItemModel interface
public:
QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const override;
QModelIndex parent( const QModelIndex &child ) const override;
int rowCount( const QModelIndex &parent ) const override;
int columnCount( const QModelIndex &parent ) const override;
QVariant data( const QModelIndex &index, int role ) const override;
#if QT_VERSION >= 0x050000
/**
* Returns strings for all roles supported by this model.
*
* @note Available only with Qt5 (python and c++)
*/
QHash<int, QByteArray> roleNames() const override;
#endif
bool setData( const QModelIndex &index, const QVariant &value, int role ) override;
Qt::ItemFlags flags( const QModelIndex &index ) const override;
};
#endif // QGSMAPLAYERMODEL_H
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