/usr/include/mgl2/fltk.h is in libmgl-dev 2.3.4-1.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* fltk.h is part of Math Graphic Library
* Copyright (C) 2007-2014 Alexey Balakin <mathgl.abalakin@gmail.ru> *
* *
* This program 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 3 of the *
* License, or (at your option) any later version. *
* *
* This program 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 more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef _MGL_FLTK_H_
#define _MGL_FLTK_H_
#include <mgl2/abstract.h>
//-----------------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
/// Creates FLTK window for plotting
HMGL MGL_EXPORT mgl_create_graph_fltk(int (*draw)(HMGL gr, void *p), const char *title, void *par, void (*load)(void *p));
uintptr_t MGL_EXPORT mgl_create_graph_fltk_(const char *title, int);
/// Run main FLTK loop for event handling.
int MGL_EXPORT mgl_fltk_run();
int MGL_EXPORT mgl_fltk_run_();
/// Run main FLTK loop for event handling in separate thread.
int MGL_EXPORT mgl_fltk_thr();
/// Callback function for asking user.
void MGL_EXPORT mgl_ask_fltk(const wchar_t *quest, wchar_t *res);
#ifdef __cplusplus
}
//-----------------------------------------------------------------------------
#include <mgl2/wnd.h>
//-----------------------------------------------------------------------------
/// Wrapper class for windows displaying graphics
class MGL_EXPORT mglFLTK : public mglWnd
{
mglFLTK(const mglFLTK &t) {} // copying is not allowed
const mglFLTK &operator=(const mglFLTK &t) { return t; }
public:
mglFLTK(const char *title="MathGL") : mglWnd()
{ gr = mgl_create_graph_fltk(0,title,0,0); }
mglFLTK(int (*draw)(HMGL gr, void *p), const char *title="MathGL", void *par=NULL, void (*load)(void *p)=0) : mglWnd()
{ gr = mgl_create_graph_fltk(draw,title,par,load); }
mglFLTK(int (*draw)(mglGraph *gr), const char *title="MathGL") : mglWnd()
{ gr = mgl_create_graph_fltk(draw?mgl_draw_graph:0,title,(void*)draw,0); }
mglFLTK(mglDraw *draw, const char *title="MathGL") : mglWnd()
{ gr = mgl_create_graph_fltk(draw?mgl_draw_class:0,title,draw,mgl_reload_class);
#if MGL_HAVE_PTHR_WIDGET
mgl_wnd_set_mutex(gr, &(draw->mutex));
#endif
mgl_set_click_func(gr, mgl_click_class); }
virtual ~mglFLTK() {}
int Run() { return mgl_fltk_run(); } ///< Run main loop for event handling
int RunThr() { return mgl_fltk_thr(); } ///< Run main loop for event handling in separate thread
};
//-----------------------------------------------------------------------------
#endif
#endif
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