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knob.c
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/* Copyright (c) 1997-1999 Miller Puckette.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* g_7_guis.c written by Thomas Musil (c) IEM KUG Graz Austria 2000-2001 */
/* thanks to Miller Puckette, Guenther Geiger and Krzystof Czaja */
/* 'knob' gui object by Frank Barknecht, 'externalised' by Olaf Matthes */
/* changed for devel_0.37 by Christoph Kummerer - hardly tested */
/* I had to out-comment the loadbang stuff because I couldn't find the code
in Pd where it is declared */
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "m_pd.h"
#ifndef PD_MAJOR_VERSION
#include "s_stuff.h"
#else
#include "m_imp.h"
#include "s_stuff.h"
#endif
#include "g_canvas.h"
#include "g_all_guis.h"
#include <math.h>
#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#ifndef M_PI
#define M_PI 3.141592654
#endif
#define IEM_KNOB_DEFAULTSIZE 32
/* ------------ knob gui-vertical slider ----------------------- */
t_widgetbehavior knob_widgetbehavior;
static t_class *knob_class;
t_symbol *iemgui_key_sym=0; /* taken from g_all_guis.c */
typedef struct _knob /* taken from Frank's modyfied g_all_guis.h */
{
t_iemgui x_gui;
int x_prev_h;
int x_pos;
int x_val;
int x_prev_val;
int x_lin0_log1;
int x_steady;
double x_min;
double x_max;
double x_k;
} t_knob;
/* widget helper functions */
static void knob_draw_update(t_knob *x, t_glist *glist)
{
if (glist_isvisible(glist) &&
(x->x_gui.x_h != x->x_prev_h || x->x_val != x->x_prev_val))
{
/* compute dial:*/
x->x_prev_h = x->x_gui.x_h;
x->x_prev_val = x->x_val;
float radius = 0.5*(float)x->x_gui.x_h;
double angle = 7.0/36.0 + 34.0/36.0*2.0*M_PI*( (double)x->x_val*0.01/(double)x->x_gui.x_h );
int start = -80;
int extent = 350 - (int)(360.0*angle/(2.0*M_PI));
/* center point: */
int x1 = text_xpix(&x->x_gui.x_obj, glist) + radius;
int y1 = text_ypix(&x->x_gui.x_obj, glist) + radius;
int x2 = text_xpix(&x->x_gui.x_obj, glist) + radius + radius * sin( -angle);
int y2 = text_ypix(&x->x_gui.x_obj, glist) + radius + radius * cos( angle);
sys_vgui(".x%lx.c coords %xKNOB %d %d %d %d\n",
glist_getcanvas(glist), x,
x1, /* x1 */
y1, /* y1 */
x2, /* x2 */
y2 /* y2 */
);
/* post("knob: (%d, %d) (%d, %d)", x1,y1,x2,y2); */
sys_vgui(".x%lx.c itemconfigure %xBASE -start %d -extent %d \n", glist_getcanvas(glist), x,
start, extent);
}
}
static void knob_draw_new(t_knob *x, t_glist *glist)
{
int xpos=text_xpix(&x->x_gui.x_obj, glist);
int ypos=text_ypix(&x->x_gui.x_obj, glist);
/* int r = ypos + x->x_gui.x_h - (x->x_val + 50)/100; */
t_canvas *canvas=glist_getcanvas(glist);
/* compute dial:*/
float radius = 0.5*(float)x->x_gui.x_h;
/* center point: */
int x1 = xpos + radius;
int y1 = ypos + radius;
/* dial */
double angle = 7.0/36.0 + 34.0/36.0*2.0*M_PI*((float)x->x_val*0.01/(float)(x->x_gui.x_h));
int x2 = x1 + radius * sin(-angle);
int y2 = y1 + radius * cos(angle);
/* BASE2 */
sys_vgui(".x%lx.c create arc %d %d %d %d -outline #%6.6x -style arc -width 3 -start -80 -extent 340 -tags %xBASE2\n",
canvas,
xpos, ypos, /* upper left */
xpos + x->x_gui.x_h, ypos + x->x_gui.x_h, /* lower right */
x->x_gui.x_fcol, x);
/* BASE */
sys_vgui(".x%lx.c create arc %d %d %d %d -fill #%6.6x -style arc -width 3 -start -80 -extent 340 -tags %xBASE\n",
canvas,
xpos, ypos, /* upper left */
xpos + x->x_gui.x_h, ypos + x->x_gui.x_h, /* lower right */
x->x_gui.x_bcol, x);
/* LINE */
sys_vgui(".x%lx.c create line %d %d %d %d -width 3 -fill #%6.6x -capstyle round -tags %xKNOB\n",
canvas,
x1, /* x1 */
y1, /* y1 */
x2, /* x2 */
y2, /* y2 */
x->x_gui.x_fcol, /* color */
x);
sys_vgui(".x%lx.c create text %d %d -text {%s} -anchor w \
-font {{%s} %d bold} -fill #%6.6x -tags %xLABEL\n",
canvas, xpos+x->x_gui.x_ldx, ypos+x->x_gui.x_ldy,
strcmp(x->x_gui.x_lab->s_name, "empty")?x->x_gui.x_lab->s_name:"",
x->x_gui.x_font, x->x_gui.x_fontsize, x->x_gui.x_lcol, x);
if(!x->x_gui.x_fsf.x_snd_able)
sys_vgui(".x%lx.c create rectangle %d %d %d %d -tags %xOUT%d\n",
canvas,
xpos, ypos + x->x_gui.x_h+2,
xpos+7, ypos + x->x_gui.x_h+3,
x, 0);
if(!x->x_gui.x_fsf.x_rcv_able)
sys_vgui(".x%lx.c create rectangle %d %d %d %d -tags %xIN%d\n",
canvas,
xpos, ypos-2,
xpos+7, ypos-1,
x, 0);
}
static void knob_draw_move(t_knob *x, t_glist *glist)
{
int xpos=text_xpix(&x->x_gui.x_obj, glist);
int ypos=text_ypix(&x->x_gui.x_obj, glist);
/* int r = ypos + x->x_gui.x_h - (x->x_val + 50)/100; */
t_canvas *canvas=glist_getcanvas(glist);
/* compute dial:*/
float radius = 0.5*(float)x->x_gui.x_h;
/* float angle = 7.0/36.0 + 34.0/36.0*2.0*M_PI*((float)x->x_val*0.01/(float)(x->x_gui.x_h)); */
double angle = 7.0/36.0 + 34.0/36.0*2.0*M_PI*( (double)x->x_val*0.01/(double)x->x_gui.x_h );
/* center point: */
int x1 = text_xpix(&x->x_gui.x_obj, glist) + radius;
int y1 = text_ypix(&x->x_gui.x_obj, glist) + radius;
int x2 = text_xpix(&x->x_gui.x_obj, glist) + radius + radius * sin( -angle);
int y2 = text_ypix(&x->x_gui.x_obj, glist) + radius + radius * cos( angle);
sys_vgui(".x%lx.c coords %xKNOB %d %d %d %d\n",
canvas, x,
x1, /* x1 */
y1, /* y1 */
x2, /* x2 */
y2 /* y2 */
);
/* post("knob: (%d, %d) (%d, %d)", x1,y1,x2,y2); */
sys_vgui(".x%lx.c coords %xBASE %d %d %d %d\n",
canvas, x,
xpos, ypos,
xpos + x->x_gui.x_h, ypos + x->x_gui.x_h);
sys_vgui(".x%lx.c coords %xBASE2 %d %d %d %d\n",
canvas, x,
xpos, ypos,
xpos + x->x_gui.x_h, ypos + x->x_gui.x_h);
sys_vgui(".x%lx.c coords %xLABEL %d %d\n",
canvas, x, xpos+x->x_gui.x_ldx, ypos+x->x_gui.x_ldy);
if(!x->x_gui.x_fsf.x_snd_able)
sys_vgui(".x%lx.c coords %xOUT%d %d %d %d %d\n",
canvas, x, 0,
xpos, ypos + x->x_gui.x_h+2,
xpos+7, ypos + x->x_gui.x_h+3);
if(!x->x_gui.x_fsf.x_rcv_able)
sys_vgui(".x%lx.c coords %xIN%d %d %d %d %d\n",
canvas, x, 0,
xpos, ypos-2,
xpos+7, ypos-1);
}
static void knob_draw_erase(t_knob* x,t_glist* glist)
{
t_canvas *canvas=glist_getcanvas(glist);
sys_vgui(".x%lx.c delete %xBASE\n", canvas, x);
sys_vgui(".x%lx.c delete %xBASE2\n", canvas, x);
sys_vgui(".x%lx.c delete %xKNOB\n", canvas, x);
sys_vgui(".x%lx.c delete %xLABEL\n", canvas, x);
if(!x->x_gui.x_fsf.x_snd_able)
sys_vgui(".x%lx.c delete %xOUT%d\n", canvas, x, 0);
if(!x->x_gui.x_fsf.x_rcv_able)
sys_vgui(".x%lx.c delete %xIN%d\n", canvas, x, 0);
}
static void knob_draw_config(t_knob* x,t_glist* glist)
{
t_canvas *canvas=glist_getcanvas(glist);
sys_vgui(".x%lx.c itemconfigure %xLABEL -font {{%s} %d bold} -fill #%6.6x -text {%s} \n",
canvas, x, x->x_gui.x_font, x->x_gui.x_fontsize,
x->x_gui.x_fsf.x_selected?IEM_GUI_COLOR_SELECTED:x->x_gui.x_lcol,
strcmp(x->x_gui.x_lab->s_name, "empty")?x->x_gui.x_lab->s_name:"");
sys_vgui(".x%lx.c itemconfigure %xKNOB -fill #%6.6x\n", canvas,
x, x->x_gui.x_fcol);
sys_vgui(".x%lx.c itemconfigure %xBASE2 -outline #%6.6x\n", canvas,
x, x->x_gui.x_fcol);
sys_vgui(".x%lx.c itemconfigure %xBASE -fill #%6.6x\n", canvas,
x, x->x_gui.x_bcol);
}
static void knob_draw_io(t_knob* x,t_glist* glist, int old_snd_rcv_flags)
{
int xpos=text_xpix(&x->x_gui.x_obj, glist);
int ypos=text_ypix(&x->x_gui.x_obj, glist);
t_canvas *canvas=glist_getcanvas(glist);
if((old_snd_rcv_flags & IEM_GUI_OLD_SND_FLAG) && !x->x_gui.x_fsf.x_snd_able)
sys_vgui(".x%lx.c create rectangle %d %d %d %d -tags %xOUT%d\n",
canvas,
xpos, ypos + x->x_gui.x_h+2,
xpos+7, ypos + x->x_gui.x_h+3,
x, 0);
if(!(old_snd_rcv_flags & IEM_GUI_OLD_SND_FLAG) && x->x_gui.x_fsf.x_snd_able)
sys_vgui(".x%lx.c delete %xOUT%d\n", canvas, x, 0);
if((old_snd_rcv_flags & IEM_GUI_OLD_RCV_FLAG) && !x->x_gui.x_fsf.x_rcv_able)
sys_vgui(".x%lx.c create rectangle %d %d %d %d -tags %xIN%d\n",
canvas,
xpos, ypos-2,
xpos+7, ypos-1,
x, 0);
if(!(old_snd_rcv_flags & IEM_GUI_OLD_RCV_FLAG) && x->x_gui.x_fsf.x_rcv_able)
sys_vgui(".x%lx.c delete %xIN%d\n", canvas, x, 0);
}
static void knob_draw_select(t_knob *x, t_glist *glist)
{
t_canvas *canvas=glist_getcanvas(glist);
if(x->x_gui.x_fsf.x_selected)
{
pd_bind(&x->x_gui.x_obj.ob_pd, iemgui_key_sym);
sys_vgui(".x%lx.c itemconfigure %xBASE2 -outline #%6.6x\n", canvas, x, IEM_GUI_COLOR_SELECTED);
sys_vgui(".x%lx.c itemconfigure %xBASE -fill #%6.6x\n", canvas, x, IEM_GUI_COLOR_SELECTED);
sys_vgui(".x%lx.c itemconfigure %xLABEL -fill #%6.6x\n", canvas, x, IEM_GUI_COLOR_SELECTED);
}
else
{
pd_unbind(&x->x_gui.x_obj.ob_pd, iemgui_key_sym);
sys_vgui(".x%lx.c itemconfigure %xBASE -fill #%6.6x\n", canvas, x, IEM_GUI_COLOR_NORMAL);
sys_vgui(".x%lx.c itemconfigure %xBASE2 -outline #%6.6x\n", canvas, x, x->x_gui.x_fcol);
sys_vgui(".x%lx.c itemconfigure %xLABEL -fill #%6.6x\n", canvas, x, x->x_gui.x_lcol);
}
}
void knob_draw(t_knob *x, t_glist *glist, int mode)
{
if(mode == IEM_GUI_DRAW_MODE_UPDATE)
knob_draw_update(x, glist);
else if(mode == IEM_GUI_DRAW_MODE_MOVE)
knob_draw_move(x, glist);
else if(mode == IEM_GUI_DRAW_MODE_NEW)
knob_draw_new(x, glist);
else if(mode == IEM_GUI_DRAW_MODE_SELECT)
knob_draw_select(x, glist);
else if(mode == IEM_GUI_DRAW_MODE_ERASE)
knob_draw_erase(x, glist);
else if(mode == IEM_GUI_DRAW_MODE_CONFIG)
knob_draw_config(x, glist);
else if(mode >= IEM_GUI_DRAW_MODE_IO)
knob_draw_io(x, glist, mode - IEM_GUI_DRAW_MODE_IO);
}
/* ------------------------ knob widgetbehaviour----------------------------- */
static void knob_getrect(t_gobj *z, t_glist *glist,
int *xp1, int *yp1, int *xp2, int *yp2)
{
t_knob* x = (t_knob*)z;
*xp1 = text_xpix(&x->x_gui.x_obj, glist);
*yp1 = text_ypix(&x->x_gui.x_obj, glist) - 2;
*xp2 = *xp1 + x->x_gui.x_h;
*yp2 = *yp1 + x->x_gui.x_h + 5;
}
static void knob_save(t_gobj *z, t_binbuf *b)
{
t_knob *x = (t_knob *)z;
int bflcol[3];
t_symbol *srl[3];
iemgui_save(&x->x_gui, srl, bflcol);
binbuf_addv(b, "ssiisiiffiisssiiiiiiiii", gensym("#X"),gensym("obj"),
(t_int)x->x_gui.x_obj.te_xpix, (t_int)x->x_gui.x_obj.te_ypix,
atom_getsymbol(binbuf_getvec(x->x_gui.x_obj.te_binbuf)),
x->x_gui.x_h, x->x_gui.x_h,
(float)x->x_min, (float)x->x_max,
x->x_lin0_log1, iem_symargstoint(&x->x_gui.x_isa),
srl[0], srl[1], srl[2],
x->x_gui.x_ldx, x->x_gui.x_ldy,
iem_fstyletoint(&x->x_gui.x_fsf), x->x_gui.x_fontsize,
bflcol[0], bflcol[1], bflcol[2],
x->x_val, x->x_steady);
binbuf_addv(b, ";");
}
void knob_check_height(t_knob *x, int h)
{
if(h < IEM_SL_MINSIZE)
h = IEM_SL_MINSIZE;
x->x_gui.x_h = h;
if(x->x_val > (x->x_gui.x_h*100 - 100))
{
x->x_pos = x->x_gui.x_h*100 - 100;
x->x_val = x->x_pos;
}
if(x->x_lin0_log1)
x->x_k = log(x->x_max/x->x_min)/(double)(x->x_gui.x_h - 1);
else
x->x_k = (x->x_max - x->x_min)/(double)(x->x_gui.x_h - 1);
}
void knob_check_minmax(t_knob *x, double min, double max)
{
if(x->x_lin0_log1)
{
if((min == 0.0)&&(max == 0.0))
max = 1.0;
if(max > 0.0)
{
if(min <= 0.0)
min = 0.01*max;
}
else
{
if(min > 0.0)
max = 0.01*min;
}
}
x->x_min = min;
x->x_max = max;
if(x->x_lin0_log1)
x->x_k = log(x->x_max/x->x_min)/(double)(x->x_gui.x_h - 1);
else
x->x_k = (x->x_max - x->x_min)/(double)(x->x_gui.x_h - 1);
}
static void knob_properties(t_gobj *z, t_glist *owner)
{
t_knob *x = (t_knob *)z;
char buf[800];
t_symbol *srl[3];
iemgui_properties(&x->x_gui, srl);
sprintf(buf, "pdtk_iemgui_dialog %%s KNOB \
--------dimensions(pix)(pix):-------- %d %d NONE: %d %d height: \
-----------output-range:----------- %g left: %g right: %g \
%d lin log %d %d empty %d \
%s %s \
%s %d %d \
%d %d \
%d %d %d\n",
x->x_gui.x_w, IEM_SL_MINSIZE, x->x_gui.x_h, IEM_GUI_MINSIZE,
x->x_min, x->x_max, 0.0,/*no_schedule*/
x->x_lin0_log1, x->x_gui.x_isa.x_loadinit, x->x_steady, -1,/*no multi, but iem-characteristic*/
srl[0]->s_name, srl[1]->s_name,
srl[2]->s_name, x->x_gui.x_ldx, x->x_gui.x_ldy,
x->x_gui.x_fsf.x_font_style, x->x_gui.x_fontsize,
0xffffff & x->x_gui.x_bcol, 0xffffff & x->x_gui.x_fcol, 0xffffff & x->x_gui.x_lcol);
gfxstub_new(&x->x_gui.x_obj.ob_pd, x, buf);
}
static void knob_bang(t_knob *x)
{
double out;
if(x->x_lin0_log1)
out = x->x_min*exp(x->x_k*(double)(x->x_val)*0.01);
else
out = (double)(x->x_val)*0.01*x->x_k + x->x_min;
if((out < 1.0e-10)&&(out > -1.0e-10))
out = 0.0;
//post("knob_bang -- x_k: %f", x->x_k);
outlet_float(x->x_gui.x_obj.ob_outlet, out);
if(x->x_gui.x_fsf.x_snd_able && x->x_gui.x_snd->s_thing)
pd_float(x->x_gui.x_snd->s_thing, out);
}
static void knob_dialog(t_knob *x, t_symbol *s, int argc, t_atom *argv)
{
t_symbol *srl[3];
int w = (int)atom_getintarg(0, argc, argv);
int h = (int)atom_getintarg(1, argc, argv);
double min = (double)atom_getfloatarg(2, argc, argv);
double max = (double)atom_getfloatarg(3, argc, argv);
int lilo = (int)atom_getintarg(4, argc, argv);
int steady = (int)atom_getintarg(17, argc, argv);
int sr_flags;
if(lilo != 0) lilo = 1;
x->x_lin0_log1 = lilo;
if(steady)
x->x_steady = 1;
else
x->x_steady = 0;
sr_flags = iemgui_dialog(&x->x_gui, srl, argc, argv);
x->x_gui.x_h = iemgui_clip_size(w);
knob_check_height(x, h);
knob_check_minmax(x, min, max);
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_CONFIG);
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_IO + sr_flags);
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_MOVE);
canvas_fixlinesfor(x->x_gui.x_glist, (t_text*)x);
}
static void knob_motion(t_knob *x, t_floatarg dx, t_floatarg dy)
{
int old = x->x_val;
if(x->x_gui.x_fsf.x_finemoved)
x->x_pos -= (int)dy;
else
x->x_pos -= 100*(int)dy;
x->x_val = x->x_pos;
if(x->x_val > (100*x->x_gui.x_h - 100))
{
x->x_val = 100*x->x_gui.x_h - 100;
x->x_pos += 50;
x->x_pos -= x->x_pos%100;
}
if(x->x_val < 0)
{
x->x_val = 0;
x->x_pos -= 50;
x->x_pos -= x->x_pos%100;
}
if(old != x->x_val)
{
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
knob_bang(x);
}
}
static void knob_click(t_knob *x, t_floatarg xpos, t_floatarg ypos,
t_floatarg shift, t_floatarg ctrl, t_floatarg alt)
{
if(!x->x_steady)
x->x_val = (int)(100.0 * (x->x_gui.x_h + text_ypix(&x->x_gui.x_obj, x->x_gui.x_glist) - ypos));
if(x->x_val > (100*x->x_gui.x_h - 100))
x->x_val = 100*x->x_gui.x_h - 100;
if(x->x_val < 0)
x->x_val = 0;
x->x_pos = x->x_val;
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
knob_bang(x);
glist_grab(x->x_gui.x_glist, &x->x_gui.x_obj.te_g, (t_glistmotionfn)knob_motion,
0, xpos, ypos);
}
static int knob_newclick(t_gobj *z, struct _glist *glist,
int xpix, int ypix, int shift, int alt, int dbl, int doit)
{
t_knob* x = (t_knob *)z;
if(doit)
{
knob_click( x, (t_floatarg)xpix, (t_floatarg)ypix, (t_floatarg)shift,
0, (t_floatarg)alt);
if(shift)
x->x_gui.x_fsf.x_finemoved = 1;
else
x->x_gui.x_fsf.x_finemoved = 0;
}
return (1);
}
static void knob_set(t_knob *x, t_floatarg f)
{
double g;
if(f > x->x_max)
f = x->x_max;
if(f < x->x_min)
f = x->x_min;
if(x->x_lin0_log1)
g = log(f/x->x_min)/x->x_k;
else
g = (f - x->x_min) / x->x_k;
//post("knob_set f: %f", f );
//post("knob_set g: %f", g );
x->x_val = (int)(100.0*g + 0.49999);
// x->x_val = (int)(100.0*g);
x->x_pos = x->x_val;
//post("knob_set x_val: %f", x->x_val );
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
}
static void knob_float(t_knob *x, t_floatarg f)
{
/* post("knob_set infloat f: %f", f ); */
knob_set(x, f);
if(x->x_gui.x_fsf.x_put_in2out)
knob_bang(x);
}
static void knob_size(t_knob *x, t_symbol *s, int ac, t_atom *av)
{
x->x_gui.x_h = iemgui_clip_size((int)atom_getintarg(0, ac, av));
if(ac > 1)
knob_check_height(x, (int)atom_getintarg(1, ac, av));
iemgui_size((void *)x, &x->x_gui);
}
static void knob_delta(t_knob *x, t_symbol *s, int ac, t_atom *av)
{iemgui_delta((void *)x, &x->x_gui, s, ac, av);}
static void knob_pos(t_knob *x, t_symbol *s, int ac, t_atom *av)
{iemgui_pos((void *)x, &x->x_gui, s, ac, av);}
static void knob_range(t_knob *x, t_symbol *s, int ac, t_atom *av)
{
knob_check_minmax(x, (double)atom_getfloatarg(0, ac, av),
(double)atom_getfloatarg(1, ac, av));
}
static void knob_color(t_knob *x, t_symbol *s, int ac, t_atom *av)
{iemgui_color((void *)x, &x->x_gui, s, ac, av);}
static void knob_send(t_knob *x, t_symbol *s)
{iemgui_send(x, &x->x_gui, s);}
static void knob_receive(t_knob *x, t_symbol *s)
{iemgui_receive(x, &x->x_gui, s);}
static void knob_label(t_knob *x, t_symbol *s)
{iemgui_label((void *)x, &x->x_gui, s);}
static void knob_label_pos(t_knob *x, t_symbol *s, int ac, t_atom *av)
{iemgui_label_pos((void *)x, &x->x_gui, s, ac, av);}
static void knob_label_font(t_knob *x, t_symbol *s, int ac, t_atom *av)
{iemgui_label_font((void *)x, &x->x_gui, s, ac, av);}
static void knob_log(t_knob *x)
{
x->x_lin0_log1 = 1;
knob_check_minmax(x, x->x_min, x->x_max);
}
static void knob_lin(t_knob *x)
{
x->x_lin0_log1 = 0;
x->x_k = (x->x_max - x->x_min)/(double)(x->x_gui.x_h - 1);
}
static void knob_init(t_knob *x, t_floatarg f)
{
x->x_gui.x_isa.x_loadinit = (f==0.0)?0:1;
}
static void knob_steady(t_knob *x, t_floatarg f)
{
x->x_steady = (f==0.0)?0:1;
}
static void knob_loadbang(t_knob *x)
{
/* WARNING: this is a kludge to get this object building on
Windows. Currently, the linker fails on the symbol
"sys_noloadbang". <[email protected]>
*/
#ifdef _WIN32
if(x->x_gui.x_isa.x_loadinit)
#else
if(!sys_noloadbang && x->x_gui.x_isa.x_loadinit)
#endif
{
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_UPDATE);
knob_bang(x);
}
}
/*
static void knob_list(t_knob *x, t_symbol *s, int ac, t_atom *av)
{
int l=iemgui_list((void *)x, &x->x_gui, s, ac, av);
if(l < 0)
{
if(IS_A_FLOAT(av,0))
knob_float(x, atom_getfloatarg(0, ac, av));
}
else if(l > 0)
{
(*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_MOVE);
canvas_fixlinesfor(x->x_gui.x_glist, (t_text*)x);
}
}
*/
static void *knob_new(t_symbol *s, int argc, t_atom *argv)
{
t_knob *x = (t_knob *)pd_new(knob_class);
int bflcol[]={-262144, -1, -1};
t_symbol *srl[3];
int w=IEM_KNOB_DEFAULTSIZE, h=IEM_KNOB_DEFAULTSIZE;
int lilo=0, ldx=0, ldy=-8;
int fs=8, v=0, steady=1;
double min=0.0, max=(double)(IEM_SL_DEFAULTSIZE-1);
char str[144];
//srl[0] = gensym("empty");
//srl[1] = gensym("empty");
//srl[2] = gensym("empty");
iem_inttosymargs(&x->x_gui.x_isa, 0);
iem_inttofstyle(&x->x_gui.x_fsf, 0);
if(((argc == 17)||(argc == 18))&&IS_A_FLOAT(argv,0)&&IS_A_FLOAT(argv,1)
&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,3)
&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,5)
&&(IS_A_SYMBOL(argv,6)||IS_A_FLOAT(argv,6))
&&(IS_A_SYMBOL(argv,7)||IS_A_FLOAT(argv,7))
&&(IS_A_SYMBOL(argv,8)||IS_A_FLOAT(argv,8))
&&IS_A_FLOAT(argv,9)&&IS_A_FLOAT(argv,10)
&&IS_A_FLOAT(argv,11)&&IS_A_FLOAT(argv,12)&&IS_A_FLOAT(argv,13)
&&IS_A_FLOAT(argv,14)&&IS_A_FLOAT(argv,15)&&IS_A_FLOAT(argv,16))
{
w = (int)atom_getintarg(0, argc, argv);
h = (int)atom_getintarg(1, argc, argv);
min = (double)atom_getfloatarg(2, argc, argv);
max = (double)atom_getfloatarg(3, argc, argv);
lilo = (int)atom_getintarg(4, argc, argv);
iem_inttosymargs(&x->x_gui.x_isa, atom_getintarg(5, argc, argv));
iemgui_new_getnames(&x->x_gui, 6, argv);
ldx = (int)atom_getintarg(9, argc, argv);
ldy = (int)atom_getintarg(10, argc, argv);
iem_inttofstyle(&x->x_gui.x_fsf, atom_getintarg(11, argc, argv));
fs = (int)atom_getintarg(12, argc, argv);
bflcol[0] = (int)atom_getintarg(13, argc, argv);
bflcol[1] = (int)atom_getintarg(14, argc, argv);
bflcol[2] = (int)atom_getintarg(15, argc, argv);
v = (int)atom_getintarg(16, argc, argv);
}
else iemgui_new_getnames(&x->x_gui, 6, 0);
if((argc == 18)&&IS_A_FLOAT(argv,17))
steady = (int)atom_getintarg(17, argc, argv);
x->x_gui.x_draw = (t_iemfunptr)knob_draw;
x->x_gui.x_fsf.x_snd_able = 1;
x->x_gui.x_fsf.x_rcv_able = 1;
x->x_gui.x_glist = (t_glist *)canvas_getcurrent();
if(x->x_gui.x_isa.x_loadinit)
x->x_val = v;
else
x->x_val = 0;
x->x_pos = x->x_val;
if(lilo != 0) lilo = 1;
x->x_lin0_log1 = lilo;
if(steady != 0) steady = 1;
x->x_steady = steady;
if (!strcmp(x->x_gui.x_snd->s_name, "empty"))
x->x_gui.x_fsf.x_snd_able = 0;
if (!strcmp(x->x_gui.x_rcv->s_name, "empty"))
x->x_gui.x_fsf.x_rcv_able = 0;
if(x->x_gui.x_fsf.x_font_style == 1) strcpy(x->x_gui.x_font, "helvetica");
else if(x->x_gui.x_fsf.x_font_style == 2) strcpy(x->x_gui.x_font, "times");
else { x->x_gui.x_fsf.x_font_style = 0;
strcpy(x->x_gui.x_font, "courier"); }
if(x->x_gui.x_fsf.x_rcv_able)
pd_bind(&x->x_gui.x_obj.ob_pd, x->x_gui.x_rcv);
x->x_gui.x_ldx = ldx;
x->x_gui.x_ldy = ldy;
if(fs < 4)
fs = 4;
x->x_gui.x_fontsize = fs;
x->x_gui.x_h = iemgui_clip_size(h);
knob_check_height(x, w);
knob_check_minmax(x, min, max);
iemgui_all_colfromload(&x->x_gui, bflcol);
//x->x_thick = 0;
iemgui_verify_snd_ne_rcv(&x->x_gui);
outlet_new(&x->x_gui.x_obj, &s_float);
return (x);
}
static void knob_free(t_knob *x)
{
if(x->x_gui.x_fsf.x_selected)
pd_unbind(&x->x_gui.x_obj.ob_pd, iemgui_key_sym);
if(x->x_gui.x_fsf.x_rcv_able)
pd_unbind(&x->x_gui.x_obj.ob_pd, x->x_gui.x_rcv);
gfxstub_deleteforkey(x);
}
void knob_setup(void)
{
knob_class = class_new(gensym("knob"), (t_newmethod)knob_new,
(t_method)knob_free, sizeof(t_knob), 0, A_GIMME, 0);
class_addcreator((t_newmethod)knob_new, gensym("knob"), A_GIMME, 0);
class_addbang(knob_class,knob_bang);
class_addfloat(knob_class,knob_float);
/* class_addlist(knob_class, knob_list); */
class_addmethod(knob_class, (t_method)knob_click, gensym("click"),
A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
class_addmethod(knob_class, (t_method)knob_motion, gensym("motion"),
A_FLOAT, A_FLOAT, 0);
class_addmethod(knob_class, (t_method)knob_dialog, gensym("dialog"),
A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_loadbang, gensym("loadbang"), 0);
class_addmethod(knob_class, (t_method)knob_set, gensym("set"), A_FLOAT, 0);
class_addmethod(knob_class, (t_method)knob_size, gensym("size"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_delta, gensym("delta"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_pos, gensym("pos"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_range, gensym("range"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_color, gensym("color"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_send, gensym("send"), A_DEFSYM, 0);
class_addmethod(knob_class, (t_method)knob_receive, gensym("receive"), A_DEFSYM, 0);
class_addmethod(knob_class, (t_method)knob_label, gensym("label"), A_DEFSYM, 0);
class_addmethod(knob_class, (t_method)knob_label_pos, gensym("label_pos"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_label_font, gensym("label_font"), A_GIMME, 0);
class_addmethod(knob_class, (t_method)knob_log, gensym("log"), 0);
class_addmethod(knob_class, (t_method)knob_lin, gensym("lin"), 0);
class_addmethod(knob_class, (t_method)knob_init, gensym("init"), A_FLOAT, 0);
class_addmethod(knob_class, (t_method)knob_steady, gensym("steady"), A_FLOAT, 0);
if(!iemgui_key_sym)
iemgui_key_sym = gensym("#keyname");
knob_widgetbehavior.w_getrectfn = knob_getrect;
knob_widgetbehavior.w_displacefn = iemgui_displace;
knob_widgetbehavior.w_selectfn = iemgui_select;
knob_widgetbehavior.w_activatefn = NULL;
knob_widgetbehavior.w_deletefn = iemgui_delete;
knob_widgetbehavior.w_visfn = iemgui_vis;
knob_widgetbehavior.w_clickfn = knob_newclick;
#if PD_MINOR_VERSION < 37 /* TODO: remove old behaviour in exactly 2 months from now */
knob_widgetbehavior.w_propertiesfn = knob_properties;;
knob_widgetbehavior.w_savefn = knob_save;
#else
class_setpropertiesfn(knob_class, &knob_properties);
class_setsavefn(knob_class, &knob_save);
#endif
class_setwidget(knob_class, &knob_widgetbehavior);
class_sethelpsymbol(knob_class, gensym("knob"));
}