1 files changed, 0 insertions, 1475 deletions
diff --git a/apps/plugins/pdbox/PDa/src/g_canvas.c b/apps/plugins/pdbox/PDa/src/g_canvas.c
index f4ef8b14aa..f8b8dda0cf 100644
--- a/apps/plugins/pdbox/PDa/src/g_canvas.c
+++ b/apps/plugins/pdbox/PDa/src/g_canvas.c
@@ -1474,1479 +1474,4 @@ void g_canvas_setup(void)
    g_editor_setup();
    g_readwrite_setup();
 }
-/* Copyright (c) 1997-2001 Miller Puckette and others.
-* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
-/* this file defines the "glist" class, also known as "canvas" (the two used
-to be different but are now unified except for some fossilized names.) */
-/* changes by Thomas Musil IEM KUG Graz Austria 2001 */
-/* bug-fix: canvas_menuclose(): by Krzysztof Czaja */
-/* bug-fix: table_new(): I reversed the y-bounds  */
-/* IOhannes :
- * changed the canvas_restore, so that it might accept $args as well
- * (like "pd $0_test")
- * so you can make multiple & distinguishable templates
- * 1511:forum::für::umläute:2001
- * changes marked with    IOhannes
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include "m_pd.h"
-#include "m_imp.h"
-#include "s_stuff.h"
-#include "g_canvas.h"
-#include <string.h>
-#include "g_all_guis.h"
-struct _canvasenvironment
-{
-    t_symbol *ce_dir;   /* directory patch lives in */
-    int ce_argc;        /* number of "$" arguments */
-    t_atom *ce_argv;    /* array of "$" arguments */
-    int ce_dollarzero;  /* value of "$0" */
-};
-#define GLIST_DEFCANVASWIDTH 240
-#define GLIST_DEFCANVASHEIGHT 300
-#ifdef MACOSX
-#define GLIST_DEFCANVASYLOC 22
-#else
-#define GLIST_DEFCANVASYLOC 0
-#endif
-/* ---------------------- variables --------------------------- */
-extern t_pd *newest;
-t_class *canvas_class;
-static int canvas_dspstate;         /* whether DSP is on or off */  
-t_canvas *canvas_editing;           /* last canvas to start text edting */ 
-t_canvas *canvas_whichfind;         /* last canvas we did a find in */ 
-t_canvas *canvas_list;              /* list of all root canvases */
-/* ------------------ forward function declarations --------------- */
-static void canvas_start_dsp(void);
-static void canvas_stop_dsp(void);
-static void canvas_drawlines(t_canvas *x);
-static void canvas_setbounds(t_canvas *x, int x1, int y1, int x2, int y2);
-static void canvas_reflecttitle(t_canvas *x);
-static void canvas_addtolist(t_canvas *x);
-static void canvas_takeofflist(t_canvas *x);
-static void canvas_pop(t_canvas *x, t_floatarg fvis);
-void canvas_create_editor(t_glist *x, int createit);
-/* --------- functions to handle the canvas environment ----------- */
-static t_symbol *canvas_newfilename = &s_;
-static t_symbol *canvas_newdirectory = &s_;
-static int canvas_newargc;
-static t_atom *canvas_newargv;
-static void glist_doupdatewindowlist(t_glist *gl, char *sbuf)
-{
-    t_gobj *g;
-    if (!gl->gl_owner)
-    {
-        /* this is a canvas; if we have a window, put on "windows" list */
-        t_canvas *canvas = (t_canvas *)gl;
-        if (canvas->gl_havewindow)
-        {
-            if (strlen(sbuf) + strlen(gl->gl_name->s_name) + 100 <= 1024)
-            {
-                char tbuf[1024];
-                sprintf(tbuf, "{%s .x%x} ", gl->gl_name->s_name, (t_int)canvas);
-                strcat(sbuf, tbuf);
-            }
-        }
-    }
-    for (g = gl->gl_list; g; g = g->g_next)
-    {
-        if (pd_class(&g->g_pd) == canvas_class)
-            glist_doupdatewindowlist((t_glist *)g, sbuf);
-    }
-    return;
-}
-    /* maintain the list of visible toplevels for the GUI's "windows" menu */
-void canvas_updatewindowlist( void)
-{
-    t_canvas *x;
-    char sbuf[1024];
-    strcpy(sbuf, "set menu_windowlist {");
-        /* find all root canvases */
-    for (x = canvas_list; x; x = x->gl_next)
-        glist_doupdatewindowlist(x, sbuf);
-    /* next line updates the window menu state before -postcommand tries it */
-    strcat(sbuf, "}\npdtk_fixwindowmenu\n");
-    sys_gui(sbuf);
-}
-    /* add a glist the list of "root" canvases (toplevels without parents.) */
-static void canvas_addtolist(t_canvas *x)
-{
-    x->gl_next = canvas_list;
-    canvas_list = x;
-}
-static void canvas_takeofflist(t_canvas *x)
-{
-        /* take it off the window list */
-    if (x == canvas_list) canvas_list = x->gl_next;
-    else
-    {
-        t_canvas *z;
-        for (z = canvas_list; z->gl_next != x; z = z->gl_next)
-            ;
-        z->gl_next = x->gl_next;
-    }
-}
-void canvas_setargs(int argc, t_atom *argv)
-{
-        /* if there's an old one lying around free it here.  This
-        happens if an abstraction is loaded but never gets as far
-        as calling canvas_new(). */
-    if (canvas_newargv)
-        freebytes(canvas_newargv, canvas_newargc * sizeof(t_atom));
-    canvas_newargc = argc;
-    canvas_newargv = copybytes(argv, argc * sizeof(t_atom));
-}
-void glob_setfilename(void *dummy, t_symbol *filesym, t_symbol *dirsym)
-{
-    canvas_newfilename = filesym;
-    canvas_newdirectory = dirsym;
-}
-t_canvas *canvas_getcurrent(void)
-{
-    return ((t_canvas *)pd_findbyclass(&s__X, canvas_class));
-}
-void canvas_setcurrent(t_canvas *x)
-{
-    pd_pushsym(&x->gl_pd);
-}
-void canvas_unsetcurrent(t_canvas *x)
-{
-    pd_popsym(&x->gl_pd);
-}
-t_canvasenvironment *canvas_getenv(t_canvas *x)
-{
-    if (!x) bug("canvas_getenv");
-    while (!x->gl_env)
-        if (!(x = x->gl_owner))
-            bug("t_canvasenvironment", x);
-    return (x->gl_env);
-}
-int canvas_getdollarzero( void)
-{
-    t_canvas *x = canvas_getcurrent();
-    t_canvasenvironment *env = (x ? canvas_getenv(x) : 0);
-    if (env)
-        return (env->ce_dollarzero);
-    else return (0);
-}
-void canvas_getargs(int *argcp, t_atom **argvp)
-{
-    t_canvasenvironment *e = canvas_getenv(canvas_getcurrent());
-    *argcp = e->ce_argc;
-    *argvp = e->ce_argv;
-}
-t_symbol *canvas_realizedollar(t_canvas *x, t_symbol *s)
-{
-    t_symbol *ret;
-    char *name = s->s_name;
-    if (*name == '$' && name[1] >= '0' && name[1] <= '9')
-    {
-        t_canvasenvironment *env = canvas_getenv(x);
-        canvas_setcurrent(x);
-        ret = binbuf_realizedollsym(gensym(name+1),
-            env->ce_argc, env->ce_argv, 1);
-        canvas_unsetcurrent(x);
-    }
-    else ret = s;
-    return (ret);
-}
-t_symbol *canvas_getcurrentdir(void)
-{
-    t_canvasenvironment *e = canvas_getenv(canvas_getcurrent());
-    return (e->ce_dir);
-}
-t_symbol *canvas_getdir(t_canvas *x)
-{
-    t_canvasenvironment *e = canvas_getenv(x);
-    return (e->ce_dir);
-}
-void canvas_makefilename(t_canvas *x, char *file, char *result, int resultsize)
-{
-    char *dir = canvas_getenv(x)->ce_dir->s_name;
-    if (file[0] == '/' || (file[0] && file[1] == ':') || !*dir)
-    {
-        strncpy(result, file, resultsize);
-        result[resultsize-1] = 0;
-    }
-    else
-    {
-        int nleft;
-        strncpy(result, dir, resultsize);
-        result[resultsize-1] = 0;
-        nleft = resultsize - strlen(result) - 1;
-        if (nleft <= 0) return;
-        strcat(result, "/");
-        strncat(result, file, nleft);
-        result[resultsize-1] = 0;
-    }           
-}
-void canvas_rename(t_canvas *x, t_symbol *s, t_symbol *dir)
-{
-    if (strcmp(x->gl_name->s_name, "Pd"))
-        pd_unbind(&x->gl_pd, canvas_makebindsym(x->gl_name));
-    x->gl_name = s;
-    if (strcmp(x->gl_name->s_name, "Pd"))
-        pd_bind(&x->gl_pd, canvas_makebindsym(x->gl_name));
-    if (glist_isvisible(x))
-        canvas_reflecttitle(x);
-    if (dir && dir != &s_)
-    {
-        t_canvasenvironment *e = canvas_getenv(x);
-        e->ce_dir = dir;
-    }
-}
-/* --------------- traversing the set of lines in a canvas ----------- */
-int canvas_getindex(t_canvas *x, t_gobj *y)
-{
-    t_gobj *y2;
-    int indexno;
-    for (indexno = 0, y2 = x->gl_list; y2 && y2 != y; y2 = y2->g_next)
-        indexno++;
-    return (indexno);
-}
-void linetraverser_start(t_linetraverser *t, t_canvas *x)
-{
-    t->tr_ob = 0;
-    t->tr_x = x;
-    t->tr_nextoc = 0;
-    t->tr_nextoutno = t->tr_nout = 0;
-}
-t_outconnect *linetraverser_next(t_linetraverser *t)
-{
-    t_outconnect *rval = t->tr_nextoc;
-    int outno;
-    while (!rval)
-    {
-        outno = t->tr_nextoutno;
-        while (outno == t->tr_nout)
-        {
-            t_gobj *y;
-            t_object *ob = 0;
-            if (!t->tr_ob) y = t->tr_x->gl_list;
-            else y = t->tr_ob->ob_g.g_next;
-            for (; y; y = y->g_next)
-                if (ob = pd_checkobject(&y->g_pd)) break;
-            if (!ob) return (0);
-            t->tr_ob = ob;
-            t->tr_nout = obj_noutlets(ob);
-            outno = 0;
-            if (glist_isvisible(t->tr_x))
-                gobj_getrect(y, t->tr_x,
-                    &t->tr_x11, &t->tr_y11, &t->tr_x12, &t->tr_y12);
-            else t->tr_x11 = t->tr_y11 = t->tr_x12 = t->tr_y12 = 0;
-        }
-        t->tr_nextoutno = outno + 1;
-        rval = obj_starttraverseoutlet(t->tr_ob, &t->tr_outlet, outno);
-        t->tr_outno = outno;
-    }
-    t->tr_nextoc = obj_nexttraverseoutlet(rval, &t->tr_ob2,
-        &t->tr_inlet, &t->tr_inno);
-    t->tr_nin = obj_ninlets(t->tr_ob2);
-    if (!t->tr_nin) bug("drawline");
-    if (glist_isvisible(t->tr_x))
-    {
-        int inplus = (t->tr_nin == 1 ? 1 : t->tr_nin - 1);
-        int outplus = (t->tr_nout == 1 ? 1 : t->tr_nout - 1);
-        gobj_getrect(&t->tr_ob2->ob_g, t->tr_x,
-            &t->tr_x21, &t->tr_y21, &t->tr_x22, &t->tr_y22);
-        t->tr_lx1 = t->tr_x11 +
-            ((t->tr_x12 - t->tr_x11 - IOWIDTH) * t->tr_outno) /
-                outplus + IOMIDDLE;
-        t->tr_ly1 = t->tr_y12;
-        t->tr_lx2 = t->tr_x21 +
-            ((t->tr_x22 - t->tr_x21 - IOWIDTH) * t->tr_inno)/inplus +
-                IOMIDDLE;
-        t->tr_ly2 = t->tr_y21;
-    }
-    else
-    {
-        t->tr_x21 = t->tr_y21 = t->tr_x22 = t->tr_y22 = 0;
-        t->tr_lx1 = t->tr_ly1 = t->tr_lx2 = t->tr_ly2 = 0;
-    }
-    
-    return (rval);
-}
-void linetraverser_skipobject(t_linetraverser *t)
-{
-    t->tr_nextoc = 0;
-    t->tr_nextoutno = t->tr_nout;
-}
-/* -------------------- the canvas object -------------------------- */
-int glist_valid = 10000;
-void glist_init(t_glist *x)
-{
-        /* zero out everyone except "pd" field */
-    memset(((char *)x) + sizeof(x->gl_pd), 0, sizeof(*x) - sizeof(x->gl_pd));
-    x->gl_stub = gstub_new(x, 0);
-    x->gl_valid = ++glist_valid;
-    x->gl_xlabel = (t_symbol **)t_getbytes(0);
-    x->gl_ylabel = (t_symbol **)t_getbytes(0);
-}
-    /* make a new glist.  It will either be a "root" canvas or else
-    its parent will be a "text" object in another window... we don't
-    know which yet. */
-t_canvas *canvas_new(void *dummy, t_symbol *sel, int argc, t_atom *argv)
-{
-    t_canvas *x = (t_canvas *)pd_new(canvas_class);
-    t_canvas *owner = canvas_getcurrent();
-    t_symbol *s = &s_;
-    int vis = 0, width = GLIST_DEFCANVASWIDTH, height = GLIST_DEFCANVASHEIGHT;
-    int xloc = 0, yloc = GLIST_DEFCANVASYLOC;
-    int font = (owner ? owner->gl_font : sys_defaultfont);
-    glist_init(x);
-    x->gl_obj.te_type = T_OBJECT;
-    if (!owner)
-        canvas_addtolist(x);
-    /* post("canvas %x, owner %x", x, owner); */
-    if (argc == 5)  /* toplevel: x, y, w, h, font */
-    {
-        xloc = atom_getintarg(0, argc, argv);
-        yloc = atom_getintarg(1, argc, argv);
-        width = atom_getintarg(2, argc, argv);
-        height = atom_getintarg(3, argc, argv);
-        font = atom_getintarg(4, argc, argv);
-    }
-    else if (argc == 6)  /* subwindow: x, y, w, h, name, vis */
-    {
-        xloc = atom_getintarg(0, argc, argv);
-        yloc = atom_getintarg(1, argc, argv);
-        width = atom_getintarg(2, argc, argv);
-        height = atom_getintarg(3, argc, argv);
-        s = atom_getsymbolarg(4, argc, argv);
-        vis = atom_getintarg(5, argc, argv);
-    }
-        /* (otherwise assume we're being created from the menu.) */
-    if (canvas_newdirectory->s_name[0])
-    {
-        static int dollarzero = 1000;
-        t_canvasenvironment *env = x->gl_env =
-            (t_canvasenvironment *)getbytes(sizeof(*x->gl_env));
-        env->ce_dir = canvas_newdirectory;
-        env->ce_argc = canvas_newargc;
-        env->ce_argv = canvas_newargv;
-        env->ce_dollarzero = dollarzero++;
-        canvas_newdirectory = &s_;
-        canvas_newargc = 0;
-        canvas_newargv = 0;
-    }
-    else x->gl_env = 0;
-    if (yloc < GLIST_DEFCANVASYLOC)
-        yloc = GLIST_DEFCANVASYLOC;
-    if (xloc < 0)
-        xloc = 0;
-    x->gl_x1 = 0;
-    x->gl_y1 = 0;
-    x->gl_x2 = 1;
-    x->gl_y2 = 1;
-    canvas_setbounds(x, xloc, yloc, xloc + width, yloc + height);
-    x->gl_owner = owner;
-    x->gl_name = (*s->s_name ? s : 
-        (canvas_newfilename ? canvas_newfilename : gensym("Pd")));
-    if (strcmp(x->gl_name->s_name, "Pd"))
-        pd_bind(&x->gl_pd, canvas_makebindsym(x->gl_name));
-    x->gl_loading = 1;
-    x->gl_willvis = vis;
-    x->gl_edit = !strncmp(x->gl_name->s_name, "Untitled", 8);
-    x->gl_font = sys_nearestfontsize(font);
-    pd_pushsym(&x->gl_pd);
-    return(x);
-}
-void canvas_setgraph(t_glist *x, int flag);
-static void canvas_coords(t_glist *x, t_symbol *s, int argc, t_atom *argv)
-{
-    x->gl_x1 = atom_getfloatarg(0, argc, argv);
-    x->gl_y1 = atom_getfloatarg(1, argc, argv);
-    x->gl_x2 = atom_getfloatarg(2, argc, argv);
-    x->gl_y2 = atom_getfloatarg(3, argc, argv);
-    x->gl_pixwidth = atom_getintarg(4, argc, argv);
-    x->gl_pixheight = atom_getintarg(5, argc, argv);
-    canvas_setgraph(x, atom_getintarg(6, argc, argv));
-}
-    /* make a new glist and add it to this glist.  It will appear as
-    a "graph", not a text object.  */
-t_glist *glist_addglist(t_glist *g, t_symbol *sym,
-    float x1, float y1, float x2, float y2,
-    float px1, float py1, float px2, float py2)
-{
-    static int gcount = 0;
-    int zz;
-    int menu = 0;
-    char *str;
-    t_glist *x = (t_glist *)pd_new(canvas_class);
-    glist_init(x);
-    x->gl_obj.te_type = T_OBJECT;
-    if (!*sym->s_name)
-    {
-        char buf[40];
-        sprintf(buf, "graph%d", ++gcount);
-        sym = gensym(buf);
-        menu = 1;
-    }
-    else if (!strncmp((str = sym->s_name), "graph", 5)
-        && (zz = atoi(str + 5)) > gcount)
-            gcount = zz;
-        /* in 0.34 and earlier, the pixel rectangle and the y bounds were
-        reversed; this would behave the same, except that the dialog window
-        would be confusing.  The "correct" way is to have "py1" be the value
-        that is higher on the screen. */
-    if (py2 < py1)
-    {
-        float zz;
-        zz = y2;
-        y2 = y1;
-        y1 = zz;
-        zz = py2;
-        py2 = py1;
-        py1 = zz;
-    }
-    if (x1 == x2 || y1 == y2)
-        x1 = 0, x2 = 100, y1 = 1, y2 = -1;
-    if (px1 >= px2 || py1 >= py2)
-        px1 = 100, py1 = 20, px2 = 100 + GLIST_DEFGRAPHWIDTH,
-            py2 = 20 + GLIST_DEFGRAPHHEIGHT;
-    x->gl_name = sym;
-    x->gl_x1 = x1;
-    x->gl_x2 = x2;
-    x->gl_y1 = y1;
-    x->gl_y2 = y2;
-    x->gl_obj.te_xpix = px1;
-    x->gl_obj.te_ypix = py1;
-    x->gl_pixwidth = px2 - px1;
-    x->gl_pixheight = py2 - py1;
-    x->gl_font =  (canvas_getcurrent() ?
-        canvas_getcurrent()->gl_font : sys_defaultfont);
-    x->gl_screenx1 = x->gl_screeny1 = 0;
-    x->gl_screenx2 = 240;
-    x->gl_screeny2 = 300;
-    if (strcmp(x->gl_name->s_name, "Pd"))
-        pd_bind(&x->gl_pd, canvas_makebindsym(x->gl_name));
-    x->gl_owner = g;
-    x->gl_stretch = 1;
-    x->gl_isgraph = 1;
-    x->gl_obj.te_binbuf = binbuf_new();
-    binbuf_addv(x->gl_obj.te_binbuf, "s", gensym("graph"));
-    if (!menu)
-        pd_pushsym(&x->gl_pd);
-    glist_add(g, &x->gl_gobj);
-    if (glist_isvisible(g))
-        canvas_create_editor(x, 1);
-    return (x);
-}
-    /* call glist_addglist from a Pd message */
-void glist_glist(t_glist *g, t_symbol *s, int argc, t_atom *argv)
-{
-    t_symbol *sym = atom_getsymbolarg(0, argc, argv);   
-    float x1 = atom_getfloatarg(1, argc, argv);  
-    float y1 = atom_getfloatarg(2, argc, argv);  
-    float x2 = atom_getfloatarg(3, argc, argv);  
-    float y2 = atom_getfloatarg(4, argc, argv);  
-    float px1 = atom_getfloatarg(5, argc, argv);  
-    float py1 = atom_getfloatarg(6, argc, argv);  
-    float px2 = atom_getfloatarg(7, argc, argv);  
-    float py2 = atom_getfloatarg(8, argc, argv);
-    glist_addglist(g, sym, x1, y1, x2, y2, px1, py1, px2, py2);
-}
-    /* return true if the glist should appear as a graph on parent;
-    otherwise it appears as a text box. */
-int glist_isgraph(t_glist *x)
-{
-    return (x->gl_isgraph);
-}
-    /* This is sent from the GUI to inform a toplevel that its window has been
-    moved or resized. */
-static void canvas_setbounds(t_canvas *x, int x1, int y1, int x2, int y2)
-{
-    int heightwas = y2 - y1;
-    int heightchange = y2 - y1 - (x->gl_screeny2 - x->gl_screeny1);
-    x->gl_screenx1 = x1;
-    x->gl_screeny1 = y1;
-    x->gl_screenx2 = x2;
-    x->gl_screeny2 = y2;
-    /* post("set bounds %d %d %d %d", x1, y1, x2, y2); */
-    if (!glist_isgraph(x) && (x->gl_y2 < x->gl_y1)) 
-    {
-            /* if it's flipped so that y grows upward,
-            fix so that zero is bottom edge and redraw.  This is
-            only appropriate if we're a regular "text" object on the
-            parent. */
-        float diff = x->gl_y1 - x->gl_y2;
-        t_gobj *y;
-        x->gl_y1 = heightwas * diff;
-        x->gl_y2 = x->gl_y1 - diff;
-            /* and move text objects accordingly; they should stick
-            to the bottom, not the top. */
-        for (y = x->gl_list; y; y = y->g_next)
-            if (pd_checkobject(&y->g_pd))
-                gobj_displace(y, x, 0, heightchange);
-        canvas_redraw(x);
-    }
-}
-t_symbol *canvas_makebindsym(t_symbol *s)
-{
-    char buf[MAXPDSTRING];
-    strcpy(buf, "pd-");
-    strcat(buf, s->s_name);
-    return (gensym(buf));
-}
-void canvas_reflecttitle(t_canvas *x)
-{
-    char namebuf[MAXPDSTRING];
-    t_canvasenvironment *env = canvas_getenv(x);
-    if (env->ce_argc)
-    {
-        int i;
-        strcpy(namebuf, " (");
-        for (i = 0; i < env->ce_argc; i++)
-        {
-            if (strlen(namebuf) > MAXPDSTRING/2 - 5)
-                break;
-            if (i != 0)
-                strcat(namebuf, " ");
-            atom_string(&env->ce_argv[i], namebuf + strlen(namebuf), 
-                MAXPDSTRING/2);
-        }
-        strcat(namebuf, ")");
-    }
-    else namebuf[0] = 0;
-    sys_vgui("wm title .x%x {%s%c%s - %s}\n", 
-        x, x->gl_name->s_name, (x->gl_dirty? '*' : ' '), namebuf,
-            canvas_getdir(x)->s_name);
-}
-void canvas_dirty(t_canvas *x, t_int n)
-{
-    t_canvas *x2 = canvas_getrootfor(x);
-    if ((unsigned)n != x2->gl_dirty)
-    {
-        x2->gl_dirty = n;
-        canvas_reflecttitle(x2);
-    }
-}
-    /* the window becomes "mapped" (visible and not miniaturized) or
-    "unmapped" (either miniaturized or just plain gone.)  This should be
-    called from the GUI after the fact to "notify" us that we're mapped. */
-void canvas_map(t_canvas *x, t_floatarg f)
-{
-    int flag = (f != 0);
-    t_gobj *y;
-    if (flag)
-    {
-        if (!glist_isvisible(x))
-        {
-            t_selection *sel;
-            if (!x->gl_havewindow)
-            {
-                bug("canvas_map");
-                canvas_vis(x, 1);
-            }
-            for (y = x->gl_list; y; y = y->g_next)
-                gobj_vis(y, x, 1);
-            for (sel = x->gl_editor->e_selection; sel; sel = sel->sel_next)
-                gobj_select(sel->sel_what, x, 1);
-            x->gl_mapped = 1;
-            canvas_drawlines(x);
-                /* simulate a mouse up so u_main will calculate scrollbars...
-                    ugly! */
-            sys_vgui("pdtk_canvas_mouseup .x%x.c 0 0 0\n", x);
-        }
-    }
-    else
-    {
-        if (glist_isvisible(x))
-        {
-                /* just clear out the whole canvas... */
-            sys_vgui(".x%x.c delete all\n", x);
-                /* alternatively, we could have erased them one by one...
-            for (y = x->gl_list; y; y = y->g_next)
-                gobj_vis(y, x, 0);
-                    ... but we should go through and erase the lines as well
-                    if we do it that way. */
-            x->gl_mapped = 0;
-        }
-    }
-}
-void canvas_redraw(t_canvas *x)
-{
-    if (glist_isvisible(x))
-    {
-        canvas_map(x, 0);
-        canvas_map(x, 1);
-    }
-}
-/* ----  editors -- perhaps this and "vis" should go to g_editor.c ------- */
-static t_editor *editor_new(t_glist *owner)
-{
-    char buf[40];
-    t_editor *x = (t_editor *)getbytes(sizeof(*x));
-    x->e_connectbuf = binbuf_new();
-    x->e_deleted = binbuf_new();
-    x->e_glist = owner;
-    sprintf(buf, ".x%x", (t_int)owner);
-    x->e_guiconnect = guiconnect_new(&owner->gl_pd, gensym(buf));
-    return (x);
-}
-static void editor_free(t_editor *x, t_glist *y)
-{
-    glist_noselect(y);
-    guiconnect_notarget(x->e_guiconnect, 1000);
-    binbuf_free(x->e_connectbuf);
-    binbuf_free(x->e_deleted);
-    freebytes((void *)x, sizeof(*x));
-}
-    /* recursively create or destroy all editors of a glist and its 
-    sub-glists, as long as they aren't toplevels. */
-void canvas_create_editor(t_glist *x, int createit)
-{
-    t_gobj *y;
-    t_object *ob;
-    if (createit)
-    {
-        if (x->gl_editor)
-            bug("canvas_create_editor");
-        else
-        {
-            x->gl_editor = editor_new(x);
-            for (y = x->gl_list; y; y = y->g_next)
-                if (ob = pd_checkobject(&y->g_pd))
-                    rtext_new(x, ob);
-        }
-    }
-    else
-    {
-        if (!x->gl_editor)
-            bug("canvas_create_editor");
-        else
-        {
-            for (y = x->gl_list; y; y = y->g_next)
-                if (ob = pd_checkobject(&y->g_pd))
-                    rtext_free(glist_findrtext(x, ob));
-            editor_free(x->gl_editor, x);
-            x->gl_editor = 0;
-        }
-    }
-    for (y = x->gl_list; y; y = y->g_next)
-        if (pd_class(&y->g_pd) == canvas_class &&
-            ((t_canvas *)y)->gl_isgraph)
-                canvas_create_editor((t_canvas *)y, createit);
-}
-    /* we call this when we want the window to become visible, mapped, and
-    in front of all windows; or with "f" zero, when we want to get rid of
-    the window. */
-void canvas_vis(t_canvas *x, t_floatarg f)
-{
-    char buf[30];
-    int flag = (f != 0);
-    if (flag)
-    {
-            /* test if we're already visible and toplevel */
-        if (glist_isvisible(x) && !x->gl_isgraph)
-        {           /* just put us in front */
-#ifdef MSW
-            canvas_vis(x, 0);
-            canvas_vis(x, 1);
-#else
-            sys_vgui("raise .x%x\n", x);
-            sys_vgui("focus .x%x.c\n", x);
-            sys_vgui("wm deiconify .x%x\n", x);  
-#endif
-        }
-        else
-        {
-            canvas_create_editor(x, 1);
-            sys_vgui("pdtk_canvas_new .x%x %d %d +%d+%d %d\n", x,
-                (int)(x->gl_screenx2 - x->gl_screenx1),
-                (int)(x->gl_screeny2 - x->gl_screeny1),
-                (int)(x->gl_screenx1), (int)(x->gl_screeny1),
-                x->gl_edit);
-            canvas_reflecttitle(x);
-            x->gl_havewindow = 1;
-            canvas_updatewindowlist();
-        }
-    }
-    else    /* make invisible */
-    {
-        int i;
-        t_canvas *x2;
-        if (!x->gl_havewindow)
-        {
-                /* bug workaround -- a graph in a visible patch gets "invised"
-                when the patch is closed, and must lose the editor here.  It's
-                probably not the natural place to do this.  Other cases like
-                subpatches fall here too but don'd need the editor freed, so
-                we check if it exists. */
-            if (x->gl_editor)
-                canvas_create_editor(x, 0);
-            return;
-        }
-        glist_noselect(x);
-        if (glist_isvisible(x))
-            canvas_map(x, 0);
-        canvas_create_editor(x, 0);
-        sys_vgui("destroy .x%x\n", x);
-        for (i = 1, x2 = x; x2; x2 = x2->gl_next, i++)
-            ;
-        sys_vgui(".mbar.find delete %d\n", i);
-            /* if we're a graph on our parent, and if the parent exists
-               and is visible, show ourselves on parent. */
-        if (glist_isgraph(x) && x->gl_owner)
-        {
-            t_glist *gl2 = x->gl_owner;
-            canvas_create_editor(x, 1);
-            if (glist_isvisible(gl2))
-                gobj_vis(&x->gl_gobj, gl2, 0);
-            x->gl_havewindow = 0;
-            if (glist_isvisible(gl2))
-                gobj_vis(&x->gl_gobj, gl2, 1);
-        }
-        else x->gl_havewindow = 0;
-        canvas_updatewindowlist();
-    }
-}
-    /* we call this on a non-toplevel glist to "open" it into its
-    own window. */
-void glist_menu_open(t_glist *x)
-{
-    if (glist_isvisible(x) && !glist_istoplevel(x))
-    {
-        t_glist *gl2 = x->gl_owner;
-        if (!gl2) 
-            bug("canvas_vis");  /* shouldn't happen but don't get too upset. */
-        else
-        {
-                /* erase ourself in parent window */
-            gobj_vis(&x->gl_gobj, gl2, 0);
-                    /* get rid of our editor (and subeditors) */
-            canvas_create_editor(x, 0);
-            x->gl_havewindow = 1;
-                    /* redraw ourself in parent window (blanked out this time) */
-            gobj_vis(&x->gl_gobj, gl2, 1);
-        }
-    }
-    canvas_vis(x, 1);
-}
-int glist_isvisible(t_glist *x)
-{
-    return ((!x->gl_loading) && glist_getcanvas(x)->gl_mapped);
-}
-int glist_istoplevel(t_glist *x)
-{
-        /* we consider a graph "toplevel" if it has its own window
-        or if it appears as a box in its parent window so that we
-        don't draw the actual contents there. */
-    return (x->gl_havewindow || !x->gl_isgraph);
-}
-int glist_getfont(t_glist *x)
-{
-    return (glist_getcanvas(x)->gl_font);
-}
-void canvas_free(t_canvas *x)
-{
-    t_gobj *y;
-    int dspstate = canvas_suspend_dsp();
-    canvas_noundo(x);
-    if (canvas_editing == x)
-        canvas_editing = 0;
-    if (canvas_whichfind == x)
-        canvas_whichfind = 0;
-    glist_noselect(x);
-    while (y = x->gl_list)
-        glist_delete(x, y);
-    canvas_vis(x, 0);
-    if (strcmp(x->gl_name->s_name, "Pd"))
-        pd_unbind(&x->gl_pd, canvas_makebindsym(x->gl_name));
-    if (x->gl_env)
-    {
-        freebytes(x->gl_env->ce_argv, x->gl_env->ce_argc * sizeof(t_atom));
-        freebytes(x->gl_env, sizeof(*x->gl_env));
-    }
-    canvas_resume_dsp(dspstate);
-    glist_cleanup(x);
-    gfxstub_deleteforkey(x);        /* probably unnecessary */
-    if (!x->gl_owner)
-        canvas_takeofflist(x);
-}
-/* ----------------- lines ---------- */
-static void canvas_drawlines(t_canvas *x)
-{
-    t_linetraverser t;
-    t_outconnect *oc;
-    {
-        linetraverser_start(&t, x);
-        while (oc = linetraverser_next(&t))
-            sys_vgui(".x%x.c create line %d %d %d %d -width %d -tags l%x\n",
-                    glist_getcanvas(x),
-                        t.tr_lx1, t.tr_ly1, t.tr_lx2, t.tr_ly2, 
-                            (outlet_getsymbol(t.tr_outlet) == &s_signal ? 2:1),
-                                oc);
-    }
-}
-void canvas_fixlinesfor(t_canvas *x, t_text *text)
-{
-    t_linetraverser t;
-    t_outconnect *oc;
-    linetraverser_start(&t, x);
-    while (oc = linetraverser_next(&t))
-    {
-        if (t.tr_ob == text || t.tr_ob2 == text)
-        {
-            sys_vgui(".x%x.c coords l%x %d %d %d %d\n",
-                glist_getcanvas(x), oc,
-                    t.tr_lx1, t.tr_ly1, t.tr_lx2, t.tr_ly2);
-        }
-    }
-}
-    /* kill all lines for the object */
-void canvas_deletelinesfor(t_canvas *x, t_text *text)
-{
-    t_linetraverser t;
-    t_outconnect *oc;
-    linetraverser_start(&t, x);
-    while (oc = linetraverser_next(&t))
-    {
-        if (t.tr_ob == text || t.tr_ob2 == text)
-        {
-            if (x->gl_editor)
-            {
-                sys_vgui(".x%x.c delete l%x\n",
-                    glist_getcanvas(x), oc);
-            }
-            obj_disconnect(t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno);
-        }
-    }
-}
-    /* kill all lines for one inlet or outlet */
-void canvas_deletelinesforio(t_canvas *x, t_text *text,
-    t_inlet *inp, t_outlet *outp)
-{
-    t_linetraverser t;
-    t_outconnect *oc;
-    linetraverser_start(&t, x);
-    while (oc = linetraverser_next(&t))
-    {
-        if ((t.tr_ob == text && t.tr_outlet == outp) ||
-            (t.tr_ob2 == text && t.tr_inlet == inp))
-        {
-            if (x->gl_editor)
-            {
-                sys_vgui(".x%x.c delete l%x\n",
-                    glist_getcanvas(x), oc);
-            }
-            obj_disconnect(t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno);
-        }
-    }
-}
-static void canvas_pop(t_canvas *x, t_floatarg fvis)
-{
-    if (fvis != 0)
-        canvas_vis(x, 1);
-    pd_popsym(&x->gl_pd);
-    canvas_resortinlets(x);
-    canvas_resortoutlets(x);
-    x->gl_loading = 0;
-}
-void canvas_objfor(t_glist *gl, t_text *x, int argc, t_atom *argv);
-void canvas_restore(t_canvas *x, t_symbol *s, int argc, t_atom *argv)
-{ /* IOhannes */
-    t_pd *z;
-        /* this should be unnecessary, but sometimes the canvas's name gets
-        out of sync with the owning box's argument; this fixes that */
-    if (argc > 3)
-    {
-        t_atom *ap=argv+3;
-        if (ap->a_type == A_SYMBOL)
-        {
-            char *buf=ap->a_w.w_symbol->s_name, *bufp;
-            if (*buf == '$' && buf[1] >= '0' && buf[1] <= '9')
-            {
-                for (bufp = buf+2; *bufp; bufp++)
-                    if (*bufp < '0' || *bufp > '9')
-                {
-                    SETDOLLSYM(ap, gensym(buf+1));
-                    goto didit;
-                }
-                SETDOLLAR(ap, atoi(buf+1));
-            didit: ;
-            }
-        }
-        if (ap->a_type == A_DOLLSYM)
-        {
-            t_canvasenvironment *e = canvas_getenv(canvas_getcurrent());
-            canvas_rename(x, binbuf_realizedollsym(ap->a_w.w_symbol,
-                e->ce_argc, e->ce_argv, 1), 0); 
-        }
-        else if (ap->a_type == A_SYMBOL)
-          canvas_rename(x, argv[3].a_w.w_symbol, 0);
-    }
-    canvas_pop(x, x->gl_willvis);
-    if (!(z = gensym("#X")->s_thing)) error("canvas_restore: out of context");
-    else if (*z != canvas_class) error("canvas_restore: wasn't a canvas");
-    else
-    {
-        t_canvas *x2 = (t_canvas *)z;
-        x->gl_owner = x2;
-        canvas_objfor(x2, &x->gl_obj, argc, argv);
-    }
-}
-static void canvas_loadbangabstractions(t_canvas *x)
-{
-    t_gobj *y;
-    t_symbol *s = gensym("loadbang");
-    for (y = x->gl_list; y; y = y->g_next)
-        if (pd_class(&y->g_pd) == canvas_class)
-    {
-        if (canvas_isabstraction((t_canvas *)y))
-            canvas_loadbang((t_canvas *)y);
-        else
-            canvas_loadbangabstractions((t_canvas *)y);
-    }
-}
-void canvas_loadbangsubpatches(t_canvas *x)
-{
-    t_gobj *y;
-    t_symbol *s = gensym("loadbang");
-    for (y = x->gl_list; y; y = y->g_next)
-        if (pd_class(&y->g_pd) == canvas_class)
-    {
-        if (!canvas_isabstraction((t_canvas *)y))
-            canvas_loadbangsubpatches((t_canvas *)y);
-    }
-    for (y = x->gl_list; y; y = y->g_next)
-        if ((pd_class(&y->g_pd) != canvas_class) &&
-            zgetfn(&y->g_pd, s))
-                pd_vmess(&y->g_pd, s, "");
-}
-void canvas_loadbang(t_canvas *x)
-{
-    t_gobj *y;
-    canvas_loadbangabstractions(x);
-    canvas_loadbangsubpatches(x);
-}
-    /* When you ask a canvas its size the result is 2 pixels more than what
-    you gave it to open it; perhaps there's a 1-pixel border all around it
-    or something.  Anyway, we just add the 2 pixels back here; seems we
-    have to do this for linux but not MSW; not sure about MacOS. */
-#ifdef MSW
-#define HORIZBORDER 0
-#define VERTBORDER 0
-#else
-#define HORIZBORDER 2
-#define VERTBORDER 2
-#endif
-static void canvas_relocate(t_canvas *x, t_symbol *canvasgeom,
-    t_symbol *topgeom)
-{
-    int cxpix, cypix, cw, ch, txpix, typix, tw, th;
-    if (sscanf(canvasgeom->s_name, "%dx%d+%d+%d", &cw, &ch, &cxpix, &cypix)
-        < 4 ||
-        sscanf(topgeom->s_name, "%dx%d+%d+%d", &tw, &th, &txpix, &typix) < 4)
-        bug("canvas_relocate");
-            /* for some reason this is initially called with cw=ch=1 so
-            we just suppress that here. */
-    if (cw > 5 && ch > 5)
-        canvas_setbounds(x, txpix, typix,
-            txpix + cw - HORIZBORDER, typix + ch - VERTBORDER);
-}
-void canvas_popabstraction(t_canvas *x)
-{
-    newest = &x->gl_pd;
-    pd_popsym(&x->gl_pd);
-    x->gl_loading = 0;
-    canvas_resortinlets(x);
-    canvas_resortoutlets(x);
-}
-void canvas_logerror(t_object *y)
-{
-#ifdef LATER
-    canvas_vis(x, 1);
-    if (!glist_isselected(x, &y->ob_g))
-        glist_select(x, &y->ob_g);
-#endif
-}
-/* -------------------------- subcanvases ---------------------- */
-static void *subcanvas_new(t_symbol *s)
-{
-    t_atom a[6];
-    t_canvas *x, *z = canvas_getcurrent();
-    if (!*s->s_name) s = gensym("/SUBPATCH/");
-    SETFLOAT(a, 0);
-    SETFLOAT(a+1, GLIST_DEFCANVASYLOC);
-    SETFLOAT(a+2, GLIST_DEFCANVASWIDTH);
-    SETFLOAT(a+3, GLIST_DEFCANVASHEIGHT);
-    SETSYMBOL(a+4, s);
-    SETFLOAT(a+5, 1);
-    x = canvas_new(0, 0, 6, a);
-    x->gl_owner = z;
-    canvas_pop(x, 1);
-    return (x);
-}
-static void canvas_click(t_canvas *x,
-    t_floatarg xpos, t_floatarg ypos,
-        t_floatarg shift, t_floatarg ctrl, t_floatarg alt)
-{
-    canvas_vis(x, 1);
-}
-    /* find out from subcanvas contents how much to fatten the box */
-void canvas_fattensub(t_canvas *x,
-    int *xp1, int *yp1, int *xp2, int *yp2)
-{
-    t_gobj *y;
-    *xp2 += 50;     /* fake for now */
-    *yp2 += 50;
-}
-static void canvas_rename_method(t_canvas *x, t_symbol *s, int ac, t_atom *av)
-{
-    if (ac && av->a_type == A_SYMBOL)
-        canvas_rename(x, av->a_w.w_symbol, 0);
-    else canvas_rename(x, gensym("Pd"), 0);
-}
-/* ------------------ table ---------------------------*/
-static int tabcount = 0;
-static void *table_new(t_symbol *s, t_floatarg f)
-{
-    t_atom a[9];
-    t_glist *gl;
-    t_canvas *x, *z = canvas_getcurrent();
-    if (s == &s_)
-    {
-         char  tabname[255];
-         t_symbol *t = gensym("table"); 
-         sprintf(tabname, "%s%d", t->s_name, tabcount++);
-         s = gensym(tabname); 
-    }
-    if (f <= 1)
-        f = 100;
-    SETFLOAT(a, 0);
-    SETFLOAT(a+1, GLIST_DEFCANVASYLOC);
-    SETFLOAT(a+2, 600);
-    SETFLOAT(a+3, 400);
-    SETSYMBOL(a+4, s);
-    SETFLOAT(a+5, 0);
-    x = canvas_new(0, 0, 6, a);
-    x->gl_owner = z;
-        /* create a graph for the table */
-    gl = glist_addglist((t_glist*)x, &s_, 0, -1, (f > 1 ? f-1 : 1), 1,
-        50, 350, 550, 50);
-    graph_array(gl, s, &s_float, f, 0);
-    canvas_pop(x, 0); 
-    return (x);
-}
-    /* return true if the "canvas" object is an abstraction (so we don't
-    save its contents, fogr example.)  */
-int canvas_isabstraction(t_canvas *x)
-{
-    return (x->gl_env != 0);
-}
-    /* return true if the "canvas" object is a "table". */
-int canvas_istable(t_canvas *x)
-{
-    t_atom *argv = (x->gl_obj.te_binbuf? binbuf_getvec(x->gl_obj.te_binbuf):0);
-    int argc = (x->gl_obj.te_binbuf? binbuf_getnatom(x->gl_obj.te_binbuf) : 0);
-    int istable = (argc && argv[0].a_type == A_SYMBOL &&
-        argv[0].a_w.w_symbol == gensym("table"));
-    return (istable);
-}
-    /* return true if the "canvas" object should be treated as a text
-    object.  This is true for abstractions but also for "table"s... */
-int canvas_showtext(t_canvas *x)
-{
-    t_atom *argv = (x->gl_obj.te_binbuf? binbuf_getvec(x->gl_obj.te_binbuf):0);
-    int argc = (x->gl_obj.te_binbuf? binbuf_getnatom(x->gl_obj.te_binbuf) : 0);
-    int isarray = (argc && argv[0].a_type == A_SYMBOL &&
-        argv[0].a_w.w_symbol == gensym("graph"));
-    return (!isarray);
-}
-static void canvas_dodsp(t_canvas *x, int toplevel, t_signal **sp);
-static void canvas_dsp(t_canvas *x, t_signal **sp)
-{
-    canvas_dodsp(x, 0, sp);
-}
-    /* get the document containing this canvas */
-t_canvas *canvas_getrootfor(t_canvas *x)
-{
-    if ((!x->gl_owner) || canvas_isabstraction(x))
-        return (x);
-    else return (canvas_getrootfor(x->gl_owner));
-}
-/* ------------------------- DSP chain handling ------------------------- */
-EXTERN_STRUCT _dspcontext;
-#define t_dspcontext struct _dspcontext
-void ugen_start(void);
-void ugen_stop(void);
-t_dspcontext *ugen_start_graph(int toplevel, t_signal **sp,
-    int ninlets, int noutlets);
-void ugen_add(t_dspcontext *dc, t_object *x);
-void ugen_connect(t_dspcontext *dc, t_object *x1, int outno,
-    t_object *x2, int inno);
-void ugen_done_graph(t_dspcontext *dc);
-    /* schedule one canvas for DSP.  This is called below for all "root"
-    canvases, but is also called from the "dsp" method for sub-
-    canvases, which are treated almost like any other tilde object.  */
-static void canvas_dodsp(t_canvas *x, int toplevel, t_signal **sp)
-{
-    t_linetraverser t;
-    t_outconnect *oc;
-    t_gobj *y;
-    t_object *ob;
-    t_symbol *dspsym = gensym("dsp");
-    t_dspcontext *dc;    
-        /* create a new "DSP graph" object to use in sorting this canvas.
-        If we aren't toplevel, there are already other dspcontexts around. */
-    dc = ugen_start_graph(toplevel, sp,
-        obj_nsiginlets(&x->gl_obj),
-        obj_nsigoutlets(&x->gl_obj));
-        /* find all the "dsp" boxes and add them to the graph */
-    
-    for (y = x->gl_list; y; y = y->g_next)
-        if ((ob = pd_checkobject(&y->g_pd)) && zgetfn(&y->g_pd, dspsym))
-            ugen_add(dc, ob);
-        /* ... and all dsp interconnections */
-    linetraverser_start(&t, x);
-    while (oc = linetraverser_next(&t))
-        if (obj_issignaloutlet(t.tr_ob, t.tr_outno))
-            ugen_connect(dc, t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno);
-        /* finally, sort them and add them to the DSP chain */
-    ugen_done_graph(dc);
-}
-    /* this routine starts DSP for all root canvases. */
-static void canvas_start_dsp(void)
-{
-    t_canvas *x;
-    if (canvas_dspstate) ugen_stop();
-    else sys_gui("pdtk_pd_dsp ON\n");
-    ugen_start();
-    
-    for (x = canvas_list; x; x = x->gl_next)
-        canvas_dodsp(x, 1, 0);
-    
-    canvas_dspstate = 1;
-}
-static void canvas_stop_dsp(void)
-{
-    if (canvas_dspstate)
-    {
-        ugen_stop();
-        sys_gui("pdtk_pd_dsp OFF\n");
-        canvas_dspstate = 0;
-    }
-}
-    /* DSP can be suspended before, and resumed after, operations which
-    might affect the DSP chain.  For example, we suspend before loading and
-    resume afterward, so that DSP doesn't get resorted for every DSP object
-    int the patch. */
-int canvas_suspend_dsp(void)
-{
-    int rval = canvas_dspstate;
-    if (rval) canvas_stop_dsp();
-    return (rval);
-}
-void canvas_resume_dsp(int oldstate)
-{
-    if (oldstate) canvas_start_dsp();
-}
-    /* this is equivalent to suspending and resuming in one step. */
-void canvas_update_dsp(void)
-{
-    if (canvas_dspstate) canvas_start_dsp();
-}
-void glob_dsp(void *dummy, t_symbol *s, int argc, t_atom *argv)
-{
-    int newstate;
-    if (argc)
-    {
-        newstate = atom_getintarg(0, argc, argv);
-        if (newstate && !canvas_dspstate)
-        {
-            sys_set_audio_state(1);
-            canvas_start_dsp();
-        }
-        else if (!newstate && canvas_dspstate)
-        {
-            canvas_stop_dsp();
-            sys_set_audio_state(0);
-        }
-    }
-    else post("dsp state %d", canvas_dspstate);
-}
-    /* LATER replace this with a queueing scheme */
-void glist_redrawitem(t_glist *owner, t_gobj *gobj)
-{
-    if (glist_isvisible(owner))
-    {
-        gobj_vis(gobj, owner, 0);
-        gobj_vis(gobj, owner, 1);
-    }
-}
-    /* redraw all "scalars" (do this if a drawing command is changed.) 
-    LATER we'll use the "template" information to select which ones we
-    redraw.  */
-static void glist_redrawall(t_glist *gl)
-{
-    t_gobj *g;
-    int vis = glist_isvisible(gl);
-    for (g = gl->gl_list; g; g = g->g_next)
-    {
-        t_class *cl;
-        if (vis && g->g_pd == scalar_class)
-            glist_redrawitem(gl, g);
-        else if (g->g_pd == canvas_class)
-            glist_redrawall((t_glist *)g);
-    }
-}
-    /* public interface for above */
-void canvas_redrawallfortemplate(t_canvas *templatecanvas)
-{
-    t_canvas *x;
-        /* find all root canvases */
-    for (x = canvas_list; x; x = x->gl_next)
-        glist_redrawall(x);
-}
-/* ------------------------------- setup routine ------------------------ */
-    /* why are some of these "glist" and others "canvas"? */
-extern void glist_text(t_glist *x, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_obj(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_bng(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_toggle(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_vslider(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_hslider(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_vdial(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-    /* old version... */
-extern void canvas_hdial(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_hdial(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-    /* new version: */
-extern void canvas_hradio(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_vradio(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_vumeter(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_mycnv(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_numbox(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_msg(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_floatatom(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void canvas_symbolatom(t_glist *gl, t_symbol *s, int argc, t_atom *argv);
-extern void glist_scalar(t_glist *canvas, t_symbol *s, int argc, t_atom *argv);
-void g_graph_setup(void);
-void g_editor_setup(void);
-void g_readwrite_setup(void);
-extern void graph_properties(t_gobj *z, t_glist *owner);
-void g_canvas_setup(void)
-{
-        /* we prevent the user from typing "canvas" in an object box
-        by sending 0 for a creator function. */
-    canvas_class = class_new(gensym("canvas"), 0,
-        (t_method)canvas_free, sizeof(t_canvas), CLASS_NOINLET, 0);
-            /* here is the real creator function, invoked in patch files
-            by sending the "canvas" message to #N, which is bound
-            to pd_camvasmaker. */
-    class_addmethod(pd_canvasmaker, (t_method)canvas_new, gensym("canvas"),
-        A_GIMME, 0);
-    class_addmethod(canvas_class, (t_method)canvas_restore,
-        gensym("restore"), A_GIMME, 0);
-    class_addmethod(canvas_class, (t_method)canvas_coords,
-        gensym("coords"), A_GIMME, 0);
-/* -------------------------- objects ----------------------------- */
-    class_addmethod(canvas_class, (t_method)canvas_obj,
-        gensym("obj"), A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_msg,
-        gensym("msg"), A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_floatatom,
-        gensym("floatatom"), A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_symbolatom,
-        gensym("symbolatom"), A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)glist_text,
-        gensym("text"), A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)glist_glist, gensym("graph"),
-        A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)glist_scalar,
-        gensym("scalar"), A_GIMME, A_NULL);
-    /* -------------- Thomas Musil's GUI objects ------------ */
-    class_addmethod(canvas_class, (t_method)canvas_bng, gensym("bng"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_toggle, gensym("toggle"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_vslider, gensym("vslider"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_hslider, gensym("hslider"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_hdial, gensym("hdial"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_vdial, gensym("vdial"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_hradio, gensym("hradio"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_vradio, gensym("vradio"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_vumeter, gensym("vumeter"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_mycnv, gensym("mycnv"),
-                    A_GIMME, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_numbox, gensym("numbox"),
-                    A_GIMME, A_NULL);
-/* ------------------------ gui stuff --------------------------- */
-    class_addmethod(canvas_class, (t_method)canvas_pop, gensym("pop"),
-        A_DEFFLOAT, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_loadbang,
-        gensym("loadbang"), A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_relocate,
-        gensym("relocate"), A_SYMBOL, A_SYMBOL, A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_vis,
-        gensym("vis"), A_FLOAT, A_NULL);
-    class_addmethod(canvas_class, (t_method)glist_menu_open,
-        gensym("menu-open"), A_NULL);
-    class_addmethod(canvas_class, (t_method)canvas_map,
-        gensym("map"), A_FLOAT, A_NULL);
-    class_setpropertiesfn(canvas_class, graph_properties);
-/* ---------------------- list handling ------------------------ */
-    class_addmethod(canvas_class, (t_method)glist_clear, gensym("clear"),
-        A_NULL);
-/* ----- subcanvases, which you get by typing "pd" in a box ---- */
-    class_addcreator((t_newmethod)subcanvas_new, gensym("pd"), A_DEFSYMBOL, 0);
-    class_addcreator((t_newmethod)subcanvas_new, gensym("page"),  A_DEFSYMBOL, 0);
-    class_addmethod(canvas_class, (t_method)canvas_click,
-        gensym("click"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
-    class_addmethod(canvas_class, (t_method)canvas_dsp, gensym("dsp"), 0);
-    class_addmethod(canvas_class, (t_method)canvas_rename_method,
-        gensym("rename"), A_GIMME, 0);
-/*---------------------------- tables -- GG ------------------- */
-    class_addcreator((t_newmethod)table_new, gensym("table"),
-        A_DEFSYM, A_DEFFLOAT, 0);
-/* -------------- setups from other files for canvas_class ---------------- */
-    g_graph_setup();
-    g_editor_setup();
-    g_readwrite_setup();
-}