/usr/include/simgear/canvas/CanvasEventVisitor.hxx is in libsimgear-dev 3.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | // Visitor for traversing a canvas element hierarchy similar to the traversal
// of the DOM Level 3 Event Model
//
// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#ifndef CANVAS_EVENT_VISITOR_HXX_
#define CANVAS_EVENT_VISITOR_HXX_
#include "canvas_fwd.hxx"
#include "CanvasEventManager.hxx"
namespace simgear
{
namespace canvas
{
class EventVisitor
{
public:
enum TraverseMode
{
TRAVERSE_UP,
TRAVERSE_DOWN
};
/**
*
* @param mode
* @param pos Mouse position
* @param delta Mouse movement since last mouse move event
* @param root Element to dispatch events to if no element is hit
*/
EventVisitor( TraverseMode mode,
const osg::Vec2f& pos,
const osg::Vec2f& delta,
const ElementPtr& root = ElementPtr() );
virtual ~EventVisitor();
virtual bool traverse(Element& el);
virtual bool apply(Element& el);
const EventPropagationPath& getPropagationPath() const;
protected:
TraverseMode _traverse_mode;
EventPropagationPath _target_path;
ElementPtr _root;
};
} // namespace canvas
} // namespace simgear
#endif /* CANVAS_EVENTVISITOR_HXX_ */
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