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// ----------------------------------------------------------------------------
//
// Copyright (C) 2003-2013 Fons Adriaensen <fons@linuxaudio.org>
//
// This program 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.
//
// 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 General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
#ifndef __FUNCTIONWIN_H
#define __FUNCTIONWIN_H
#include <clxclient.h>
class Functionwin : public X_window
{
public:
Functionwin (X_window *parent, X_callback *callb, int xp, int yp,
unsigned long bgnd, unsigned long grid, unsigned long mark);
~Functionwin (void);
void set_xparam (int n, int x0, int dx);
void set_yparam (int k, X_scale_style *scale, unsigned long color);
void show (void);
void reset (int k);
void set_point (int k, int i, float v);
void upd_point (int k, int i, float v);
void clr_point (int k, int i);
int get_ind (void) const { return _ic; }
int get_fun (void) const { return _fc; }
float get_val (void) const { return _vc; }
void set_mark (int i);
void redraw (void);
int xs (void) const { return _xs; }
int ys (void) const { return _ys; }
private:
enum { NFUNC = 2 };
virtual void handle_event (XEvent *xe);
void expose (XExposeEvent *E);
void bpress (XButtonEvent *E);
void motion (XPointerMovedEvent *E);
void brelse (XButtonEvent *E);
void plot_grid (void);
void plot_mark (void);
void plot_line (int);
void move_point (int);
void move_curve (int);
void find_sect (int *);
void move_sect (int *);
X_callback *_callb;
unsigned long _bgnd;
unsigned long _grid;
unsigned long _mark;
int _xs;
int _ys;
int _x0;
int _dx;
int _ymin;
int _ymax;
int _n;
unsigned long _co [NFUNC];
X_scale_style *_sc [NFUNC];
int *_yc [NFUNC];
char *_st [NFUNC];
int _fc;
int _ic;
int _im;
float _vc;
};
#endif
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