/usr/include/Nux-4.0/Nux/InputAreaProximity.h is in libnux-4.0-dev 4.0.8+17.10.20170922-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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* Copyright 2012 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Brandon Schaefer <brandon.schaefer@canonical.com>
*
*/
#ifndef NUX_INPUTAREA_PROXIMITY_H
#define NUX_INPUTAREA_PROXIMITY_H
#include "InputArea.h"
namespace nux
{
class InputAreaProximity
{
public:
InputAreaProximity(InputArea* area, unsigned int proximity);
virtual ~InputAreaProximity();
virtual void CheckMousePosition(Point const& mouse);
//! Signal emitted when the Mouse is near the input area.
/*!
@param Point mouse is the current Mouse position.
*/
sigc::signal<void, Point const&> mouse_near;
//! Signal emitted while the mouse is moving, near, and not yet inside the input area.
/*!
@param Point mouse is the current Mouse position.
@param Point offset is the offset between the mouse and the input area.
*/
sigc::signal<void, Point const&, Point const&> mouse_approaching;
//! Signal emitted when the Mouse is moves beyond the input area + proximity.
/*!
@param Point mouse is the current Mouse position.
*/
sigc::signal<void, Point const&> mouse_beyond;
protected:
ObjectWeakPtr<InputArea> area_;
unsigned int proximity_;
bool is_mouse_near_;
};
}
#endif
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