/* 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 */


#include <string.h>
#include <stdio.h>
#include "m_pd.h"

#include "g_all_guis.h"

#define HMARGIN 1
#define VMARGIN 2
#define PEAKHEIGHT 10

/* ----- vu  gui-peak- & rms- vu-meter-display ---------- */

t_widgetbehavior vu_widgetbehavior;
static t_class *vu_class;

/* widget helper functions */

static void vu_update_rms(t_vu *x, t_glist *glist)
{
    if(glist_isvisible(glist))
    {
        const int zoom = IEMGUI_ZOOM(x);
        int w4 = x->x_gui.x_w / 4, off = text_ypix(&x->x_gui.x_obj, glist) - zoom;
        int xpos = text_xpix(&x->x_gui.x_obj, glist);
        int quad1 = xpos + w4 - zoom, quad3 = xpos + x->x_gui.x_w - w4 + zoom;
        char tag[128];

        sprintf(tag, "%pRCOVER", x);
        pdgui_vmess(0, "crs iiii", glist_getcanvas(glist), "coords", tag,
             quad1, off, quad3,
             off + (x->x_led_size+1)*zoom*(IEM_VU_STEPS-x->x_rms));
    }
}

static void vu_update_peak(t_vu *x, t_glist *glist)
{
    t_canvas *canvas = glist_getcanvas(glist);

    if(glist_isvisible(glist))
    {
        const int zoom = IEMGUI_ZOOM(x);
        int xpos = text_xpix(&x->x_gui.x_obj, glist);
        int ypos = text_ypix(&x->x_gui.x_obj, glist);
        char tag[128];
        sprintf(tag, "%pPLED", x);

        if(x->x_peak)
        {
            int i = iemgui_vu_col[x->x_peak];
            int j = ypos +
                   (x->x_led_size+1)*zoom*(IEM_VU_STEPS+1-x->x_peak) -
                   (x->x_led_size+1)*zoom/2;

            pdgui_vmess(0, "crs iiii", canvas, "coords", tag,
                xpos, j, xpos + x->x_gui.x_w + zoom, j);
            pdgui_vmess(0, "crs rk", canvas, "itemconfigure", tag, "-fill",
                iemgui_color_hex[i]);
        }
        else
        {
            int mid = xpos + x->x_gui.x_w/2;
            int pkh = PEAKHEIGHT * zoom;

            pdgui_vmess(0, "crs rk", canvas, "itemconfigure", tag, "-fill",
                x->x_gui.x_bcol);
            pdgui_vmess(0, "crs iiii", canvas, "coords", tag,
                mid, ypos + pkh, mid, ypos + pkh);
        }
    }
}

static void vu_draw_update(t_gobj *client, t_glist *glist);

static void vu_draw_io(t_vu* x, t_glist* glist, int old_snd_rcv_flags)
{
    const int zoom = IEMGUI_ZOOM(x);
    t_canvas *canvas = glist_getcanvas(glist);
    int xpos = text_xpix(&x->x_gui.x_obj, glist);
    int ypos = text_ypix(&x->x_gui.x_obj, glist);
    int hmargin = HMARGIN * zoom, vmargin = VMARGIN * zoom;
    int iow = IOWIDTH * zoom, ioh = IEM_GUI_IOHEIGHT * zoom;
    int snd_able = x->x_gui.x_fsf.x_snd_able || x->x_gui.x_fsf.x_rcv_able;
    char tag_object[128], tag_label[128], tag[128], tag_n[128];
    char *tags[] = {tag_object, tag_n, tag};

    (void)old_snd_rcv_flags;

    sprintf(tag_object, "%pOBJ", x);
    sprintf(tag_label, "%pLABEL", x);

    /* re-create outlets */
    sprintf(tag, "%pOUT", x);
    pdgui_vmess(0, "crs", canvas, "delete", tag);
    if(!snd_able)
    {
        sprintf(tag_n, "%pOUT%d", x, 0);
        pdgui_vmess(0, "crr iiii rs rS", canvas, "create", "rectangle",
            xpos - hmargin, ypos + x->x_gui.x_h + vmargin + zoom - ioh,
            xpos - hmargin + iow, ypos + x->x_gui.x_h + vmargin,
            "-fill", "black",
            "-tags", 3, tags);

        sprintf(tag_n, "%pOUT%d", x, 1);
        pdgui_vmess(0, "crr iiii rs rS", canvas, "create", "rectangle",
            xpos + x->x_gui.x_w + hmargin - iow, ypos + x->x_gui.x_h + vmargin + zoom - ioh,
            xpos + x->x_gui.x_w + hmargin, ypos + x->x_gui.x_h + vmargin,
            "-fill", "black",
            "-tags", 3, tags);
            /* keep label above outlets */
        pdgui_vmess(0, "crss", canvas, "lower", tag, tag_label);
    }

    sprintf(tag, "%pIN", x);
    pdgui_vmess(0, "crs", canvas, "delete", tag);
    if(!x->x_gui.x_fsf.x_rcv_able)
    {
        sprintf(tag_n, "%pIN%d", x, 0);
        pdgui_vmess(0, "crr iiii rs rS", canvas, "create", "rectangle",
            xpos - hmargin, ypos - vmargin,
            xpos - hmargin + iow, ypos - vmargin - zoom + ioh,
            "-fill", "black",
            "-tags", 3, tags);

        sprintf(tag_n, "%pIN%d", x, 1);
        pdgui_vmess(0, "crr iiii rs rS", canvas, "create", "rectangle",
            xpos + x->x_gui.x_w + hmargin - iow, ypos - vmargin,
            xpos + x->x_gui.x_w + hmargin, ypos - vmargin - zoom + ioh,
            "-fill", "black",
            "-tags", 3, tags);
            /* keep label above inlets */
        pdgui_vmess(0, "crss", canvas, "lower", tag, tag_label);
    }
}

static void vu_draw_config(t_vu* x, t_glist* glist)
{
    const int zoom = IEMGUI_ZOOM(x);
    t_iemgui *iemgui = &x->x_gui;
    t_canvas *canvas = glist_getcanvas(glist);
    int xpos = text_xpix(&x->x_gui.x_obj, glist);
    int ypos = text_ypix(&x->x_gui.x_obj, glist);
    int hmargin = HMARGIN * zoom, vmargin = VMARGIN * zoom;
    int iow = IOWIDTH * zoom, ioh = IEM_GUI_IOHEIGHT * zoom;
    int ledw = x->x_led_size * zoom;
    int fs = x->x_gui.x_fontsize * zoom;
    int w4 = x->x_gui.x_w/4, mid = xpos + x->x_gui.x_w/2,
        quad1 = xpos + w4 + zoom;
    int quad3 = xpos + x->x_gui.x_w - w4,
        end = xpos + x->x_gui.x_w + 4*zoom;
    int k1 = (x->x_led_size+1)*zoom, k2 = IEM_VU_STEPS+1, k3 = k1/2;
    int led_col, yyy, k4 = ypos - k3;
    int i;
    char tag[128];
    t_atom fontatoms[3];
    SETSYMBOL(fontatoms+0, gensym(iemgui->x_font));
    SETFLOAT (fontatoms+1, -iemgui->x_fontsize*zoom);
    SETSYMBOL(fontatoms+2, gensym(sys_fontweight));

    sprintf(tag, "%pBASE", x);
    pdgui_vmess(0, "crs iiii", canvas, "coords", tag,
        xpos - hmargin, ypos - vmargin,
        xpos+x->x_gui.x_w + hmargin, ypos+x->x_gui.x_h + vmargin);
    pdgui_vmess(0, "crs ri rk", canvas, "itemconfigure", tag,
        "-width", zoom,
        "-fill", x->x_gui.x_bcol);

    sprintf(tag, "%pSCALE", x);
    pdgui_vmess(0, "crs rA rk", canvas, "itemconfigure", tag,
        "-font", 3, fontatoms,
        "-fill", x->x_gui.x_fsf.x_selected ? IEM_GUI_COLOR_SELECTED : x->x_gui.x_lcol);
    sprintf(tag, "%pRLED", x);
    pdgui_vmess(0, "crs ri", canvas, "itemconfigure", tag, "-width", ledw);

    for(i = 1; i <= IEM_VU_STEPS + 1; i++)
    {
        sprintf(tag, "%pRLED%d", x, i);
        led_col = iemgui_vu_col[i];
        yyy = k4 + k1*(k2-i);
        pdgui_vmess(0, "crs iiii", canvas, "coords", tag,
            quad1, yyy, quad3, yyy);
        pdgui_vmess(0, "crs rk", canvas, "itemconfigure", tag,
            "-fill", iemgui_color_hex[led_col]);

        sprintf(tag, "%pSCALE%d", x, i);
        pdgui_vmess(0, "crs ii", canvas, "coords", tag,
            end, yyy + k3);
        if((i+2) & 3)
            pdgui_vmess(0, "crs rs", canvas, "itemconfigure", tag,
            "-text", (x->x_scale)?iemgui_vu_scale_str[i]:"");
    }

    i = IEM_VU_STEPS + 1;
    yyy = k4 + k1 * (k2 - i);

        /* this was already set in the loop above, overwritten here */
    sprintf(tag, "%pSCALE%d", x, i);
    pdgui_vmess(0, "crs ii", canvas, "coords", tag,
        end, yyy + k3);

    pdgui_vmess(0, "crs rs", canvas, "itemconfigure", tag,
        "-text", (x->x_scale)?iemgui_vu_scale_str[i]:"");

    sprintf(tag, "%pRCOVER", x);
    pdgui_vmess(0, "crs iiii", canvas, "coords", tag,
        quad1 - zoom, ypos - zoom,
        quad3 + zoom, ypos - zoom + k1*IEM_VU_STEPS);
    pdgui_vmess(0, "crs rk rk", canvas, "itemconfigure", tag,
        "-fill", x->x_gui.x_bcol, "-outline", x->x_gui.x_bcol);

    sprintf(tag, "%pPLED", x);
    pdgui_vmess(0, "crs iiii", canvas, "coords", tag,
        mid, ypos + PEAKHEIGHT * zoom,
        mid, ypos + PEAKHEIGHT * zoom);
    pdgui_vmess(0, "crs ri rk", canvas, "itemconfigure", tag,
        "-width", ledw+zoom, /* peak LED is slightly fatter */
        "-fill", x->x_gui.x_bcol);

    sprintf(tag, "%pLABEL", x);
    pdgui_vmess(0, "crs ii", canvas, "coords", tag,
        xpos+x->x_gui.x_ldx * zoom, ypos+x->x_gui.x_ldy * zoom);
    pdgui_vmess(0, "crs rA rk", canvas, "itemconfigure", tag,
        "-font", 3, fontatoms,
        "-fill", x->x_gui.x_fsf.x_selected ? IEM_GUI_COLOR_SELECTED : x->x_gui.x_lcol);
    iemgui_dolabel(x, &x->x_gui, x->x_gui.x_lab, 1);

    x->x_updaterms = x->x_updatepeak = 1;
}

static void vu_draw_new(t_vu *x, t_glist *glist)
{
    t_canvas *canvas = glist_getcanvas(glist);
    char tag_object[128], tag[128], tag_n[128];
    char *tags[] = {tag_object, tag, tag_n, "text"};
    int i;

    sprintf(tag_object, "%pOBJ", x);

    sprintf(tag, "%pBASE", x);
    pdgui_vmess(0, "crr iiii rS", canvas, "create", "rectangle",
        0, 0, 0, 0, "-tags", 2, tags);

    for(i = 1; i < IEM_VU_STEPS+1; i++)
    {
        sprintf(tag, "%pRLED", x);
        sprintf(tag_n, "%pRLED%d", x, i);
        pdgui_vmess(0, "crr iiii rS", canvas, "create", "line",
            0, 0, 0, 0, "-tags", 3, tags);

        sprintf(tag, "%pSCALE", x);
        sprintf(tag_n, "%pSCALE%d", x, i);
        pdgui_vmess(0, "crr ii rs rS", canvas, "create", "text",
            0, 0, "-anchor", "w", "-tags", 3, tags);
    }
    /* and a final scale item */
    sprintf(tag, "%pSCALE", x);
    sprintf(tag_n, "%pSCALE%d", x, i);
    pdgui_vmess(0, "crr ii rs rS", canvas, "create", "text",
        0, 0, "-anchor", "w", "-tags", 3, tags);

    sprintf(tag, "%pRCOVER", x);
    pdgui_vmess(0, "crr iiii rS", canvas, "create", "rectangle",
        0, 0, 0, 0, "-tags", 2, tags);

    sprintf(tag, "%pPLED", x);
    pdgui_vmess(0, "crr iiii rS", canvas, "create", "line",
        0, 0, 0, 0, "-tags", 2, tags);

    sprintf(tag, "%pLABEL", x);
    sprintf(tag_n, "label");
    pdgui_vmess(0, "crr ii rs rS", canvas, "create", "text",
        0, 0, "-anchor", "w", "-tags", 4, tags);

    vu_draw_config(x, glist);
    vu_draw_io(x, glist, 0);
    sys_queuegui(x, x->x_gui.x_glist, vu_draw_update);
}

static void vu_draw_select(t_vu* x,t_glist* glist)
{
    t_canvas *canvas = glist_getcanvas(glist);
    int col = IEM_GUI_COLOR_NORMAL;
    int lcol = x->x_gui.x_lcol;
    char tag[128];
    if(x->x_gui.x_fsf.x_selected)
        col = lcol = IEM_GUI_COLOR_SELECTED;

    sprintf(tag, "%pBASE", x);
    pdgui_vmess(0, "crs rk", canvas, "itemconfigure", tag, "-outline", col);
    sprintf(tag, "%pSCALE", x);
    pdgui_vmess(0, "crs rk", canvas, "itemconfigure", tag, "-fill", lcol);
    sprintf(tag, "%pLABEL", x);
    pdgui_vmess(0, "crs rk", canvas, "itemconfigure", tag, "-fill", lcol);
}

static void vu_draw_update(t_gobj *client, t_glist *glist)
{
    t_vu *x = (t_vu *)client;
    if (x->x_updaterms)
    {
        vu_update_rms(x, glist);
        x->x_updaterms = 0;
    }
    if (x->x_updatepeak)
    {
        vu_update_peak(x, glist);
        x->x_updatepeak = 0;
    }
}

/* ------------------------ vu widgetbehaviour----------------------------- */

static void vu_getrect(t_gobj *z, t_glist *glist,
                       int *xp1, int *yp1, int *xp2, int *yp2)
{
    t_vu* x = (t_vu*)z;
    int hmargin = HMARGIN * IEMGUI_ZOOM(x), vmargin = VMARGIN * IEMGUI_ZOOM(x);

    *xp1 = text_xpix(&x->x_gui.x_obj, glist) - hmargin;
    *yp1 = text_ypix(&x->x_gui.x_obj, glist) - vmargin;
    *xp2 = *xp1 + x->x_gui.x_w + hmargin*2;
    *yp2 = *yp1 + x->x_gui.x_h + vmargin*2;
}

static void vu_save(t_gobj *z, t_binbuf *b)
{
    t_vu *x = (t_vu *)z;
    t_symbol *bflcol[3];
    t_symbol *srl[3];

    iemgui_save(&x->x_gui, srl, bflcol);
    binbuf_addv(b, "ssiisiissiiiissii", gensym("#X"), gensym("obj"),
                (int)x->x_gui.x_obj.te_xpix, (int)x->x_gui.x_obj.te_ypix,
                gensym("vu"), x->x_gui.x_w/IEMGUI_ZOOM(x), x->x_gui.x_h/IEMGUI_ZOOM(x),
                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[2], x->x_scale,
                iem_symargstoint(&x->x_gui.x_isa));
    binbuf_addv(b, ";");
}

void vu_check_height(t_vu *x, int h)
{
    int n;

    n = h / IEM_VU_STEPS;
    if(n < IEM_VU_MINSIZE)
        n = IEM_VU_MINSIZE;
    x->x_led_size = n - 1;
    x->x_gui.x_h = (IEM_VU_STEPS * n) * IEMGUI_ZOOM(x);
}

static void vu_scale(t_vu *x, t_floatarg fscale)
{
    x->x_scale = !!(int)fscale;
    if(glist_isvisible(x->x_gui.x_glist))
        vu_draw_config(x, x->x_gui.x_glist);
}

static void vu_properties(t_gobj *z, t_glist *owner)
{
    t_vu *x = (t_vu *)z;

    iemgui_new_dialog(x, &x->x_gui, "vu",
                      x->x_gui.x_w/IEMGUI_ZOOM(x), IEM_SL_MINSIZE,
                      x->x_gui.x_h/IEMGUI_ZOOM(x), IEM_GUI_MINSIZE,
                      0, 0,
                      0,
                      x->x_scale, "no scale", "scale",
                      0, -1, -1);
}

static void vu_dialog(t_vu *x, t_symbol *s, int argc, t_atom *argv)
{
    t_symbol *srl[3];
    int w = (int)atom_getfloatarg(0, argc, argv);
    int h = (int)atom_getfloatarg(1, argc, argv);
    int scale = (int)atom_getfloatarg(4, argc, argv);
    int sr_flags;
    t_atom undo[18];
    iemgui_setdialogatoms(&x->x_gui, 18, undo);
    SETFLOAT(undo+2, 0.01);
    SETFLOAT(undo+3, 1);
    SETFLOAT(undo+4, x->x_scale);
    SETFLOAT(undo+5, -1);
    SETSYMBOL(undo+15, gensym("none"));
    pd_undo_set_objectstate(x->x_gui.x_glist, (t_pd*)x, gensym("dialog"),
                            18, undo,
                            argc, argv);

    sr_flags = iemgui_dialog(&x->x_gui, srl, argc, argv);
    x->x_gui.x_fsf.x_snd_able = 0;
    x->x_gui.x_isa.x_loadinit = 0;
    x->x_gui.x_w = iemgui_clip_size(w) * IEMGUI_ZOOM(x);
    vu_check_height(x, h);
    if(scale != 0)
        scale = 1;
    vu_scale(x, (t_float)scale);
    iemgui_size(x, &x->x_gui);
}

static void vu_size(t_vu *x, t_symbol *s, int ac, t_atom *av)
{
    x->x_gui.x_w = iemgui_clip_size((int)atom_getfloatarg(0, ac, av)) * IEMGUI_ZOOM(x);
    if(ac > 1)
        vu_check_height(x, (int)atom_getfloatarg(1, ac, av));
    iemgui_size((void *)x, &x->x_gui);
}

static void vu_delta(t_vu *x, t_symbol *s, int ac, t_atom *av)
{iemgui_delta((void *)x, &x->x_gui, s, ac, av);}

static void vu_pos(t_vu *x, t_symbol *s, int ac, t_atom *av)
{iemgui_pos((void *)x, &x->x_gui, s, ac, av);}

static void vu_color(t_vu *x, t_symbol *s, int ac, t_atom *av)
{iemgui_color((void *)x, &x->x_gui, s, ac, av);}

static void vu_receive(t_vu *x, t_symbol *s)
{iemgui_receive(x, &x->x_gui, s);}

static void vu_label(t_vu *x, t_symbol *s)
{iemgui_label((void *)x, &x->x_gui, s);}

static void vu_label_pos(t_vu *x, t_symbol *s, int ac, t_atom *av)
{iemgui_label_pos((void *)x, &x->x_gui, s, ac, av);}

static void vu_label_font(t_vu *x, t_symbol *s, int ac, t_atom *av)
{
    iemgui_label_font((void *)x, &x->x_gui, s, ac, av);
    (*x->x_gui.x_draw)(x, x->x_gui.x_glist, IEM_GUI_DRAW_MODE_CONFIG);
}

static void vu_float(t_vu *x, t_floatarg rms)
{
    int i;
    int old = x->x_rms;
    if(rms <= IEM_VU_MINDB)
        x->x_rms = 0;
    else if(rms >= IEM_VU_MAXDB)
        x->x_rms = IEM_VU_STEPS;
    else
    {
        int i = (int)(2.0*(rms + IEM_VU_OFFSET));
        x->x_rms = iemgui_vu_db2i[i];
    }
    i = (int)(100.0*rms + 10000.5);
    rms = 0.01*(t_float)(i - 10000);
    x->x_fr = rms;
    outlet_float(x->x_out_rms, rms);
    x->x_updaterms = 1;
    if(x->x_rms != old)
        sys_queuegui(x, x->x_gui.x_glist, vu_draw_update);
}

static void vu_ft1(t_vu *x, t_floatarg peak)
{
    int i;
    int old = x->x_peak;
    if(peak <= IEM_VU_MINDB)
        x->x_peak = 0;
    else if(peak >= IEM_VU_MAXDB)
        x->x_peak = IEM_VU_STEPS;
    else
    {
        int i = (int)(2.0*(peak + IEM_VU_OFFSET));
        x->x_peak = iemgui_vu_db2i[i];
    }
    i = (int)(100.0*peak + 10000.5);
    peak = 0.01*(t_float)(i - 10000);
    x->x_fp = peak;
    x->x_updatepeak = 1;
    if(x->x_peak != old)
        sys_queuegui(x, x->x_gui.x_glist, vu_draw_update);
    outlet_float(x->x_out_peak, peak);
}

static void vu_bang(t_vu *x)
{
    outlet_float(x->x_out_peak, x->x_fp);
    outlet_float(x->x_out_rms, x->x_fr);
    x->x_updaterms = x->x_updatepeak = 1;
    sys_queuegui(x, x->x_gui.x_glist, vu_draw_update);
}

static void *vu_new(t_symbol *s, int argc, t_atom *argv)
{
    t_vu *x = (t_vu *)iemgui_new(vu_class);
    int w = IEM_GUI_DEFAULTSIZE, h = IEM_VU_STEPS*IEM_VU_DEFAULTSIZE * IEM_GUI_DEFAULTSIZE_SCALE;
    int ldx = -1, ldy = -8 * IEM_GUI_DEFAULTSIZE_SCALE, f = 0, scale = 1;
    int fs = x->x_gui.x_fontsize;
    int ftbreak = IEM_BNG_DEFAULTBREAKFLASHTIME, fthold = IEM_BNG_DEFAULTHOLDFLASHTIME;
    char str[144];

    IEMGUI_SETDRAWFUNCTIONS(x, vu);

    x->x_gui.x_bcol = 0x404040;

    if((argc >= 11)&&IS_A_FLOAT(argv,0)&&IS_A_FLOAT(argv,1)
       &&(IS_A_SYMBOL(argv,2)||IS_A_FLOAT(argv,2))
       &&(IS_A_SYMBOL(argv,3)||IS_A_FLOAT(argv,3))
       &&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,5)
       &&IS_A_FLOAT(argv,6)&&IS_A_FLOAT(argv,7)
       &&IS_A_FLOAT(argv,10))
    {
        w = (int)atom_getfloatarg(0, argc, argv);
        h = (int)atom_getfloatarg(1, argc, argv);
        iemgui_new_getnames(&x->x_gui, 1, argv);
        x->x_gui.x_snd_unexpanded = x->x_gui.x_snd = gensym("nosndno"); /*no send*/
        ldx = (int)atom_getfloatarg(4, argc, argv);
        ldy = (int)atom_getfloatarg(5, argc, argv);
        iem_inttofstyle(&x->x_gui.x_fsf, atom_getfloatarg(6, argc, argv));
        fs = (int)atom_getfloatarg(7, argc, argv);
        iemgui_all_loadcolors(&x->x_gui, argv+8, NULL, argv+9);
        scale = (int)atom_getfloatarg(10, argc, argv);
    }
    else iemgui_new_getnames(&x->x_gui, 1, 0);
    if((argc == 12)&&IS_A_FLOAT(argv,11))
        iem_inttosymargs(&x->x_gui.x_isa, atom_getfloatarg(11, argc, argv));

    x->x_gui.x_fsf.x_snd_able = 0;
    x->x_gui.x_fsf.x_rcv_able = (0 != x->x_gui.x_rcv);
    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, sys_font); }
    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;
    x->x_gui.x_fontsize = (fs < 4)?4:fs;
    x->x_gui.x_w = iemgui_clip_size(w);
    vu_check_height(x, h);
    if(scale != 0)
        scale = 1;
    x->x_scale = scale;
    x->x_peak = 0;
    x->x_rms = 0;
    x->x_fp = -101.0;
    x->x_fr = -101.0;
    iemgui_verify_snd_ne_rcv(&x->x_gui);
    inlet_new(&x->x_gui.x_obj, &x->x_gui.x_obj.ob_pd, &s_float, gensym("ft1"));
    x->x_out_rms = outlet_new(&x->x_gui.x_obj, &s_float);
    x->x_out_peak = outlet_new(&x->x_gui.x_obj, &s_float);
    x->x_gui.x_h /= IEMGUI_ZOOM(x); /* unzoom, to prevent double-application in iemgui_newzoom */
    iemgui_newzoom(&x->x_gui);
    return (x);
}

static void vu_free(t_vu *x)
{
    if(x->x_gui.x_fsf.x_rcv_able)
        pd_unbind(&x->x_gui.x_obj.ob_pd, x->x_gui.x_rcv);
    pdgui_stub_deleteforkey(x);
}

void g_vumeter_setup(void)
{
    vu_class = class_new(gensym("vu"), (t_newmethod)vu_new,
        (t_method)vu_free, sizeof(t_vu), 0, A_GIMME, 0);
    class_addbang(vu_class,vu_bang);
    class_addfloat(vu_class,vu_float);
    class_addmethod(vu_class, (t_method)vu_ft1,
        gensym("ft1"), A_FLOAT, 0);
    class_addmethod(vu_class, (t_method)vu_dialog,
        gensym("dialog"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)vu_size,
        gensym("size"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)vu_scale,
        gensym("scale"), A_DEFFLOAT, 0);
    class_addmethod(vu_class, (t_method)vu_delta,
        gensym("delta"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)vu_pos,
        gensym("pos"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)vu_color,
        gensym("color"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)vu_receive,
        gensym("receive"), A_DEFSYM, 0);
    class_addmethod(vu_class, (t_method)vu_label,
        gensym("label"), A_DEFSYM, 0);
    class_addmethod(vu_class, (t_method)vu_label_pos,
        gensym("label_pos"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)vu_label_font,
        gensym("label_font"), A_GIMME, 0);
    class_addmethod(vu_class, (t_method)iemgui_zoom,
        gensym("zoom"), A_CANT, 0);
    vu_widgetbehavior.w_getrectfn =    vu_getrect;
    vu_widgetbehavior.w_displacefn =   iemgui_displace;
    vu_widgetbehavior.w_selectfn =     iemgui_select;
    vu_widgetbehavior.w_activatefn =   NULL;
    vu_widgetbehavior.w_deletefn =     iemgui_delete;
    vu_widgetbehavior.w_visfn =        iemgui_vis;
    vu_widgetbehavior.w_clickfn =      NULL;
    class_setwidget(vu_class,&vu_widgetbehavior);
    class_setsavefn(vu_class, vu_save);
    class_setpropertiesfn(vu_class, vu_properties);
}
