sp-use-reference.h

Go to the documentation of this file.

// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_SP_USE_REFERENCE_H
#define SEEN_SP_USE_REFERENCE_H
 
/*
 * The reference corresponding to href of <use> element.
 *
 * Copyright (C) 2004 Bulia Byak
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#include <sigc++/sigc++.h>
#include <2geom/pathvector.h>
 
#include "sp-item.h"
#include "uri-references.h"
 
#include <memory>
 
namespace Inkscape {
namespace XML {
class Node;
}
}
 
 
class SPUseReference : public Inkscape::URIReference {
public:
    SPUseReference(SPObject *owner) : URIReference(owner) {}
 
    SPItem *getObject() const {
        return static_cast<SPItem *>(URIReference::getObject());
    }
 
protected:
    bool _acceptObject(SPObject * const obj) const override;
 
};
 
 
class SPUsePath : public SPUseReference {
public:
    std::optional<Geom::PathVector> originalPath;
    bool sourceDirty{false};
 
    SPObject            *owner;
    char                *sourceHref{nullptr};
    Inkscape::XML::Node *sourceRepr{nullptr};
    SPObject            *sourceObject{nullptr};
 
    sigc::connection _modified_connection;
    sigc::connection _delete_connection;
    sigc::connection _changed_connection;
    sigc::connection _transformed_connection;
 
    SPUsePath(SPObject* i_owner);
    ~SPUsePath() override;
 
    void link(char* to);
    void unlink();
    void start_listening(SPItem* to);
    void quit_listening();
    void refresh_source();
 
    void (*user_unlink) (SPObject *user);
};
 
#endif /* !SEEN_SP_USE_REFERENCE_H */
 
/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :