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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_CONN_AVOID_REF
+#define SEEN_CONN_AVOID_REF
+
+/** \file
+ * A class for handling shape interaction with libavoid.
+ */
+/*
+ * Authors:
+ * Michael Wybrow <mjwybrow@users.sourceforge.net>
+ *
+ * Copyright (C) 2005 Michael Wybrow
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <2geom/point.h>
+#include <cstddef>
+#include <sigc++/connection.h>
+
+class SPDesktop;
+class SPObject;
+class SPItem;
+namespace Avoid { class ShapeRef; }
+
+class SPAvoidRef {
+public:
+ SPAvoidRef(SPItem *spitem);
+ virtual ~SPAvoidRef();
+
+ // libavoid's internal representation of the item.
+ Avoid::ShapeRef *shapeRef;
+
+ void setAvoid(char const *value);
+ void handleSettingChange();
+
+ Geom::Point getConnectionPointPos();
+
+ // Returns a list of SPItems of all connectors/shapes attached to
+ // this object. Pass one of the following for 'type':
+ // Avoid::runningTo
+ // Avoid::runningFrom
+ // Avoid::runningToAndFrom
+ std::vector<SPItem *> getAttachedShapes(const unsigned int type);
+ std::vector<SPItem *> getAttachedConnectors(const unsigned int type);
+
+private:
+ SPItem *item;
+
+ // true if avoiding, false if not.
+ bool setting;
+ bool new_setting;
+
+ // A sigc connection for transformed signal.
+ sigc::connection _transformed_connection;
+};
+
+extern std::vector<SPItem *> get_avoided_items(std::vector<SPItem *> &list, SPObject *from,
+ SPDesktop *desktop, bool initialised = true);
+extern void avoid_item_move(Geom::Affine const *mp, SPItem *moved_item);
+extern void init_avoided_shape_geometry(SPDesktop *desktop);
+
+static const double defaultConnSpacing = 3.0;
+static const double defaultConnCurvature = 3.0;
+
+#endif /* !SEEN_CONN_AVOID_REF */
+
+/*
+ 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 :