1 files changed, 90 insertions, 0 deletions
diff --git a/ganv/Edge.hpp b/ganv/Edge.hpp
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+++ b/ganv/Edge.hpp
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+/* This file is part of Ganv.
+ * Copyright 2007-2015 David Robillard <http://drobilla.net>
+ *
+ * Ganv 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 3 of the License, or any later version.
+ *
+ * Ganv is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Ganv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GANV_EDGE_HPP
+#define GANV_EDGE_HPP
+
+#include <stdint.h>
+
+#include <gdk/gdkevents.h>
+
+#include "ganv/Canvas.hpp"
+#include "ganv/Item.hpp"
+#include "ganv/Node.hpp"
+#include "ganv/edge.h"
+
+GANV_GLIB_WRAP(Edge)
+
+namespace Ganv {
+
+class Canvas;
+
+/** A edge (line) between two Node objects.
+ *
+ * @ingroup Ganv
+ */
+class Edge : public Item
+{
+public:
+	Edge(Canvas&  canvas,
+	     Node*    tail,
+	     Node*    head,
+	     uint32_t color = 0,
+	     bool     show_arrowhead = false,
+	     bool     curved = true)
+		: Item(GANV_ITEM(ganv_edge_new(canvas.gobj(),
+		                               tail->gobj(),
+		                               head->gobj(),
+		                               "color", color,
+		                               "curved", (gboolean)curved,
+		                               "arrowhead", (gboolean)show_arrowhead,
+		                               NULL)))
+	{}
+
+	Edge(GanvEdge* gobj)
+		: Item(GANV_ITEM(gobj))
+	{}
+
+	virtual ~Edge() {
+		if (_gobj && ganv_item_get_parent(_gobj)) {
+			g_object_unref(_gobj);
+		}
+	}
+
+	gboolean is_within(double x1, double y1, double x2, double y2) const {
+		return ganv_edge_is_within(gobj(), x1, y1, x2, y2);
+	}
+
+	RW_PROPERTY(gboolean, constraining)
+	RW_PROPERTY(gboolean, curved)
+	RW_PROPERTY(gboolean, selected)
+	RW_PROPERTY(gboolean, highlighted)
+	RW_PROPERTY(guint,    color)
+	RW_PROPERTY(gdouble,  handle_radius)
+
+	METHODRETWRAP0(ganv_edge, Node*, get_tail);
+	METHODRETWRAP0(ganv_edge, Node*, get_head);
+
+	GanvEdge*       gobj()       { return (GanvEdge*)_gobj; }
+	const GanvEdge* gobj() const { return (GanvEdge*)_gobj; }
+
+private:
+	Edge(const Edge& copy);
+	Edge& operator=(const Edge& other);
+};
+
+} // namespace Ganv
+
+#endif // GANV_EDGE_HPP