FlowCanvas's successor is hereby dubbed Ganv.

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@3820 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 90 insertions, 0 deletions

diff --git a/ganv/Item.hpp b/ganv/Item.hpp
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+++ b/ganv/Item.hpp
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+/* This file is part of Ganv.
+ * Copyright 2007-2011 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 (at your option)
+ * 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_ITEM_HPP
+#define GANV_ITEM_HPP
+
+#include <assert.h>
+
+#include <glib.h>
+#include <libgnomecanvas/gnome-canvas.h>
+
+#include <sigc++/signal.h>
+#include <sigc++/trackable.h>
+
+#include "ganv/wrap.hpp"
+#include "ganv/Canvas.hpp"
+
+namespace Ganv {
+
+class Canvas;
+
+/** An item on the canvas.
+ */
+class Item : public sigc::trackable {
+public:
+	Item(GnomeCanvasItem* gobj)
+		: _gobj(gobj)
+	{
+		GQuark wrapper_key = g_quark_from_string("ganvmm");
+		if (gobj && gobj->parent) {
+			g_object_set_qdata(G_OBJECT(_gobj), wrapper_key, this);
+			g_signal_connect(G_OBJECT(_gobj),
+			                 "event", G_CALLBACK(on_item_event), this);
+		}
+	}
+
+	virtual ~Item() {}
+	RW_PROPERTY(double, x)
+	RW_PROPERTY(double, y)
+
+	METHOD0(gnome_canvas_item, show);
+	METHOD0(gnome_canvas_item, hide);
+	METHOD0(gnome_canvas_item, raise_to_top);
+	METHOD2(gnome_canvas_item, move, double, dx, double, dy);
+
+	GnomeCanvasItem* property_parent() const {
+		GnomeCanvasItem* parent;
+		g_object_get(G_OBJECT(_gobj), "parent", &parent, NULL);
+		return parent;
+	}
+
+	Canvas* canvas() const {
+		return Glib::wrap(GANV_CANVAS(_gobj->canvas));
+	}
+
+	GnomeCanvasItem* gobj() const { return _gobj; }
+
+	SIGNAL(event, GdkEvent*)
+	SIGNAL(click, GdkEventButton*)
+
+protected:
+	GnomeCanvasItem* const _gobj;
+
+private:
+	static gboolean
+	on_item_event(GnomeCanvasItem* canvasitem,
+	              GdkEvent*        ev,
+	              void*            item)
+	{
+		return ((Item*)item)->on_event(ev);
+	}
+};
+
+} // namespace Ganv
+
+#endif // GANV_ITEM_HPP