1 ///@file Glue for GUI widgets implemented in Nasal space
3 // Copyright (C) 2014 Thomas Geymayer <tomgey@gmail.com>
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Library General Public
7 // License as published by the Free Software Foundation; either
8 // version 2 of the License, or (at your option) any later version.
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Library General Public License for more details.
15 // You should have received a copy of the GNU Library General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef SG_CANVAS_NASAL_WIDGET_HXX_
20 #define SG_CANVAS_NASAL_WIDGET_HXX_
22 #include "LayoutItem.hxx"
24 #include <simgear/nasal/cppbind/from_nasal.hxx>
25 #include <simgear/nasal/cppbind/NasalHash.hxx>
33 * Baseclass/ghost to create widgets with Nasal.
40 typedef boost::function<void (nasal::Me, const SGRecti&)> SetGeometryFunc;
44 * @param impl Initial implementation hash (nasal part of
47 NasalWidget(naRef impl);
49 virtual void setGeometry(const SGRecti& geom);
51 void setSetGeometryFunc(const SetGeometryFunc& func);
53 void setImpl(naRef obj);
54 naRef getImpl() const;
56 void setSizeHint(const SGVec2i& s);
57 void setMinimumSize(const SGVec2i& s);
58 void setMaximumSize(const SGVec2i& s);
60 bool _set(naContext c, const std::string& key, naRef val);
63 * @param ns Namespace to register the class interface
65 static void setupGhost(nasal::Hash& ns);
68 SetGeometryFunc _set_geometry;
69 nasal::ObjectHolder<> _nasal_impl;
71 static naRef getParents(NasalWidget&, naContext);
73 virtual SGVec2i sizeHintImpl() const;
74 virtual SGVec2i minimumSizeImpl() const;
75 virtual SGVec2i maximumSizeImpl() const;
79 typedef SGSharedPtr<NasalWidget> NasalWidgetRef;
82 } // namespace simgear
85 #endif /* SG_CANVAS_NASAL_WIDGET_HXX_ */