g_graph.c 53 KB
Newer Older
Miller Puckette's avatar
Miller Puckette committed
1
2
3
4
5
6
7
8
9
10
/* 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 deals with the behavior of glists as either "text objects" or
"graphs" inside another glist.  LATER move the inlet/outlet code of g_canvas.c 
to this file... */

#include <stdlib.h>
#include "m_pd.h"
11
#include "m_imp.h"
Miller Puckette's avatar
Miller Puckette committed
12
13
#include "t_tk.h"
#include "g_canvas.h"
14
#include "g_all_guis.h" /* for canvas handle freeing */
Miller Puckette's avatar
Miller Puckette committed
15
16
17
18
#include "s_stuff.h"    /* for sys_hostfontsize */
#include <stdio.h>
#include <string.h>

19
20
21
extern int array_joc;
int garray_joc(t_garray *x);

Miller Puckette's avatar
Miller Puckette committed
22
23
24
/* ---------------------- forward definitions ----------------- */

static void graph_vis(t_gobj *gr, t_glist *unused_glist, int vis);
25
void graph_graphrect(t_gobj *z, t_glist *glist,
Miller Puckette's avatar
Miller Puckette committed
26
27
28
    int *xp1, int *yp1, int *xp2, int *yp2);
static void graph_getrect(t_gobj *z, t_glist *glist,
    int *xp1, int *yp1, int *xp2, int *yp2);
29
30
void graph_checkgop_rect(t_gobj *z, t_glist *glist,
    int *xp1, int *yp1, int *xp2, int *yp2);
Miller Puckette's avatar
Miller Puckette committed
31

32
33
extern t_template *template_findbydrawcommand(t_gobj *g);

34
extern int do_not_redraw;
35
int gop_redraw = 0;
36

Miller Puckette's avatar
Miller Puckette committed
37
38
39
40
/* -------------------- maintaining the list -------------------- */

void canvas_drawredrect(t_canvas *x, int doit);

41
int canvas_isgroup(t_canvas *x)
42
43
44
45
46
{
/*    t_binbuf *b = x->gl_obj.te_binbuf;
    if (!b)
    {
        bug("canvas_isgroup");
47
        return 0;
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
    }
    t_atom *argv = binbuf_getvec(x->gl_obj.te_binbuf);
    if (argv[0].a_type == A_SYMBOL &&
        argv[0].a_w.w_symbol == gensym("group"))
        return 1;
    else
        return 0;
*/
    if (x->gl_svg)
        return 1;
    else
        return 0;
}

extern t_template *canvas_findtemplate(t_canvas *c);
extern t_canvas *canvas_templatecanvas_forgroup(t_canvas *c);

Miller Puckette's avatar
Miller Puckette committed
65
66
void glist_add(t_glist *x, t_gobj *y)
{
67
68
    //fprintf(stderr,"glist_add %lx %d\n", (t_int)x, (x->gl_editor ? 1 : 0));    
    t_object *ob;
Miller Puckette's avatar
Miller Puckette committed
69
    y->g_next = 0;
70
    int index = 0;
71

Miller Puckette's avatar
Miller Puckette committed
72
73
74
75
    if (!x->gl_list) x->gl_list = y;
    else
    {
        t_gobj *y2;
76
        for (y2 = x->gl_list; y2->g_next; y2 = y2->g_next)
77
            index++;
Miller Puckette's avatar
Miller Puckette committed
78
79
        y2->g_next = y;
    }
80
81
    if (x->gl_editor && (ob = pd_checkobject(&y->g_pd)))
    {
Miller Puckette's avatar
Miller Puckette committed
82
        rtext_new(x, ob);
83
84
85
86
87
88
        //let's now set up create undo
        //glist_select(x, y);
        //canvas_setundo(x, canvas_undo_create,
        //    canvas_undo_set_create(x, index), "create");
        //glist_noselect(x);
    }
Miller Puckette's avatar
Miller Puckette committed
89
90
91
92
93
94
95
96
97
    if (x->gl_editor && x->gl_isgraph && !x->gl_goprect
        && pd_checkobject(&y->g_pd))
    {
        x->gl_goprect = 1;
        canvas_drawredrect(x, 1);
    }
    if (glist_isvisible(x))
        gobj_vis(y, x, 1);
    if (class_isdrawcommand(y->g_pd)) 
98
99
100
101
    {
        t_template *tmpl = template_findbydrawcommand(y);
        canvas_redrawallfortemplate(tmpl, 0);
    }
102
103
104
105
    if (pd_class(&y->g_pd) == canvas_class &&
        canvas_isgroup((t_canvas *)y))
    {
        t_canvas *templatecanvas =
106
107
108
            canvas_templatecanvas_forgroup((t_canvas *)y);
        t_template *tmpl = canvas_findtemplate(templatecanvas);
        canvas_redrawallfortemplate(tmpl, 0);
109
    }
Miller Puckette's avatar
Miller Puckette committed
110
111
112
113
114
115
116
117
118
119
120
121
}

    /* this is to protect against a hairy problem in which deleting
    a sub-canvas might delete an inlet on a box, after the box had
    been invisible-ized, so that we have to protect against redrawing it! */
int canvas_setdeleting(t_canvas *x, int flag)
{
    int ret = x->gl_isdeleting;
    x->gl_isdeleting = flag;
    return (ret);
}

122
123
    /* check if canvas has an array and return 1, otherwise return 0
    this is used to prevent creation of new objects in an array window */
124
125
int canvas_hasarray(t_canvas *x)
{
126
127
    t_gobj *g = x->gl_list;
    int hasarray = 0;
128
129
    while (g)
    {
130
131
132
133
134
135
        if (pd_class(&g->g_pd) == garray_class) hasarray = 1;
        g = g->g_next;
    }
    return(hasarray);
}

Hans-Christoph Steiner's avatar
Hans-Christoph Steiner committed
136
137
138
/* JMZ: emit a closebang message */
void canvas_closebang(t_canvas *x);

Miller Puckette's avatar
Miller Puckette committed
139
140
141
    /* delete an object from a glist and free it */
void glist_delete(t_glist *x, t_gobj *y)
{
142
    //fprintf(stderr,"glist_delete y=%lx x=%lx glist_getcanvas=%lx\n", y, x, glist_getcanvas(x));
143
144
145
146
147
    if (x->gl_list)
    {
        //fprintf(stderr,"glist_delete YES\n");
        t_gobj *g;
        t_object *ob;
148
        t_template *tmpl = NULL;
149
150
151
152
153
154
155
156
157
158
159
        t_gotfn chkdsp = zgetfn(&y->g_pd, gensym("dsp"));
        t_canvas *canvas = glist_getcanvas(x);
        int drawcommand = class_isdrawcommand(y->g_pd);
        int wasdeleting;
        t_rtext *rt = NULL;
        int late_rtext_free = 0;

        if (pd_class(&y->g_pd) == canvas_class)
        {
          /* JMZ: send a closebang to the canvas */
          canvas_closebang((t_canvas *)y);
160
161
162
163
164
165
166
          /* and this little hack so drawing commands can tell
             if a [group] is deleting them (and thus suppress
             their own redraws) */
          ((t_canvas *)y)->gl_unloading = 1;
          /* if we are a group, let's call ourselves a drawcommand */
          if (((t_canvas *)y)->gl_svg)
              drawcommand = 1;
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
        }
     
        wasdeleting = canvas_setdeleting(canvas, 1);
        if (x->gl_editor)
        {
            if (x->gl_editor->e_grab == y) x->gl_editor->e_grab = 0;
            if (glist_isselected(x, y)) glist_deselect(x, y);

                /* HACK -- we had phantom outlets not getting erased on the
                screen because the canvas_setdeleting() mechanism is too
                crude.  LATER carefully set up rules for when the rtexts
                should exist, so that they stay around until all the
                steps of becoming invisible are done.  In the meantime, just
                zap the inlets and outlets here... */
            if (pd_class(&y->g_pd) == canvas_class)
            {
183
                if (glist_isvisible(x))
184
                {
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
                    t_glist *gl = (t_glist *)y;
                    if (gl->gl_isgraph)
                    {
                        char tag[80];
                        //sprintf(tag, "graph%lx", (t_int)gl);
                        //t_glist *yy = (t_glist *)y;
                        sprintf(tag, "%s",
                            rtext_gettag(glist_findrtext(x, &gl->gl_obj)));
                        glist_eraseiofor(x, &gl->gl_obj, tag);
                        text_eraseborder(&gl->gl_obj, x,
                            rtext_gettag(glist_findrtext(x, &gl->gl_obj)));
                    }
                    else
                    {
                        text_eraseborder(&gl->gl_obj, x,
                            rtext_gettag(glist_findrtext(x, &gl->gl_obj)));
                    }
202
203
204
205
                }
            }
        }
            /* if we're a drawing command, erase all scalars that
206
                       belong to our template, before deleting
207
208
               it; we'll redraw them once it's deleted below. */
        if (drawcommand)
209
210
        {
            tmpl = template_findbydrawcommand(y);
211
            if (!(canvas_isgroup(canvas) && canvas->gl_unloading))
212
213
214
            {
                canvas_redrawallfortemplate(tmpl, 2);
            }
215
        }
216
        if (glist_isvisible(canvas))
217
218
        {
            //fprintf(stderr,"...deleting %lx %lx\n", x, glist_getcanvas(x));
219
            gobj_vis(y, x, 0);
220
        }
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
        if (x->gl_editor && (ob = pd_checkobject(&y->g_pd)))
        {
            //rtext_new(x, ob);
            rt = glist_findrtext(x, ob);
            if (rt)
                late_rtext_free = 1;
        }
        if (x->gl_list == y)
        {
            if (y->g_next)
                x->gl_list = y->g_next;
            else
                x->gl_list = NULL;
        }
        else for (g = x->gl_list; g; g = g->g_next)
        {
            if (g->g_next == y)
            {
                if (y->g_next)
                    g->g_next = y->g_next;
                else g->g_next = NULL;
                break;
            }
        }
        gobj_delete(y, x);
        pd_free(&y->g_pd);
        if (chkdsp) canvas_update_dsp();
        if (drawcommand)
249
        {
250
            if (tmpl != NULL && !(canvas_isgroup(canvas) && canvas->gl_unloading))
251
            {
252
                canvas_redrawallfortemplate(tmpl, 1);
253
            }
254
        }
255
256
257
258
259
260
261
262
        canvas_setdeleting(canvas, wasdeleting);
        x->gl_valid = ++glist_valid;
        if (late_rtext_free)
        {
            //fprintf(stderr,"glist_delete late_rtext_free\n");
            rtext_free(rt);
        }
    }
Miller Puckette's avatar
Miller Puckette committed
263
264
265
266
267
}

    /* remove every object from a glist.  Experimental. */
void glist_clear(t_glist *x)
{
Mathieu L Bouchard's avatar
Mathieu L Bouchard committed
268
    t_gobj *y;
Miller Puckette's avatar
Miller Puckette committed
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
    int dspstate = 0, suspended = 0;
    t_symbol *dspsym = gensym("dsp");
    while (y = x->gl_list)
    {
            /* to avoid unnecessary DSP resorting, we suspend DSP
            only if we hit a patchable object. */
        if (!suspended && pd_checkobject(&y->g_pd) && zgetfn(&y->g_pd, dspsym))
        {
            dspstate = canvas_suspend_dsp();
            suspended = 1;
        }
            /* here's the real deletion. */
        glist_delete(x, y);
    }
    if (suspended)
        canvas_resume_dsp(dspstate);
}

void glist_retext(t_glist *glist, t_text *y)
{
        /* check that we have built rtexts yet.  LATER need a better test. */
    if (glist->gl_editor && glist->gl_editor->e_rtext)
    {
        t_rtext *rt = glist_findrtext(glist, y);
        if (rt)
            rtext_retext(rt);
    }
}

void glist_grab(t_glist *x, t_gobj *y, t_glistmotionfn motionfn,
    t_glistkeyfn keyfn, int xpos, int ypos)
{
301
    //fprintf(stderr,"glist_grab\n");
Miller Puckette's avatar
Miller Puckette committed
302
303
304
305
306
307
308
309
310
311
312
313
314
    t_glist *x2 = glist_getcanvas(x);
    if (motionfn)
        x2->gl_editor->e_onmotion = MA_PASSOUT;
    else x2->gl_editor->e_onmotion = 0;
    x2->gl_editor->e_grab = y;
    x2->gl_editor->e_motionfn = motionfn;
    x2->gl_editor->e_keyfn = keyfn;
    x2->gl_editor->e_xwas = xpos;
    x2->gl_editor->e_ywas = ypos;
}

t_canvas *glist_getcanvas(t_glist *x)
{
315
    //fprintf(stderr,"glist_getcanvas\n");
316
    while (x->gl_owner && !x->gl_havewindow && x->gl_isgraph &&
317
318
        gobj_shouldvis(&x->gl_gobj, x->gl_owner))
    {
319
320
321
            //fprintf(stderr,"x=%lx x->gl_owner=%d x->gl_havewindow=%d x->gl_isgraph=%d gobj_shouldvis=%d\n", 
            //    x, (x->gl_owner ? 1:0), x->gl_havewindow, x->gl_isgraph, 
            //    gobj_shouldvis(&x->gl_gobj, x->gl_owner));
322
            x = x->gl_owner;
323
324
            //fprintf(stderr,"+\n");
    }
Miller Puckette's avatar
Miller Puckette committed
325
326
327
    return((t_canvas *)x);
}

328
static t_float gobj_getxforsort(t_gobj *g)
Miller Puckette's avatar
Miller Puckette committed
329
330
331
{
    if (pd_class(&g->g_pd) == scalar_class)
    {
332
        t_float x1, y1;
Miller Puckette's avatar
Miller Puckette committed
333
334
335
336
337
338
339
340
341
        scalar_getbasexy((t_scalar *)g, &x1, &y1);
        return(x1);
    }
    else return (0);
}

static t_gobj *glist_merge(t_glist *x, t_gobj *g1, t_gobj *g2)
{
    t_gobj *g = 0, *g9 = 0;
342
    t_float f1 = 0, f2 = 0;
Miller Puckette's avatar
Miller Puckette committed
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
    if (g1)
        f1 = gobj_getxforsort(g1);
    if (g2)
        f2 = gobj_getxforsort(g2);
    while (1)
    {
        if (g1)
        {
            if (g2)
            {
                if (f1 <= f2)
                    goto put1;
                else goto put2;
            }
            else goto put1;     
        }
        else if (g2)
            goto put2;
        else break;
    put1:
        if (g9)
            g9->g_next = g1, g9 = g1;
        else g9 = g = g1;
        if (g1 = g1->g_next)
            f1 = gobj_getxforsort(g1);
        g9->g_next = 0;
        continue;
    put2:
        if (g9)
            g9->g_next = g2, g9 = g2;
        else g9 = g = g2;
        if (g2 = g2->g_next)
            f2 = gobj_getxforsort(g2);
        g9->g_next = 0;
        continue;
    }
    return (g);
}

static t_gobj *glist_dosort(t_glist *x,
    t_gobj *g, int nitems)
{
    if (nitems < 2)
        return (g);
    else
    {
        int n1 = nitems/2, n2 = nitems - n1, i;
        t_gobj *g2, *g3;
        for (g2 = g, i = n1-1; i--; g2 = g2->g_next)
            ;
        g3 = g2->g_next;
        g2->g_next = 0;
        g = glist_dosort(x, g, n1);
        g3 = glist_dosort(x, g3, n2);
        return (glist_merge(x, g, g3));
    }
}

void glist_sort(t_glist *x)
{
    int nitems = 0, foo = 0;
404
    t_float lastx = -1e37;
Miller Puckette's avatar
Miller Puckette committed
405
406
407
    t_gobj *g;
    for (g = x->gl_list; g; g = g->g_next)
    {
408
        t_float x1 = gobj_getxforsort(g);
Miller Puckette's avatar
Miller Puckette committed
409
410
411
412
413
414
415
416
417
418
419
420
421
422
        if (x1 < lastx)
            foo = 1;
        lastx = x1;
        nitems++;
    }
    if (foo)
        x->gl_list = glist_dosort(x, x->gl_list, nitems);
}

/* --------------- inlets and outlets  ----------- */


t_inlet *canvas_addinlet(t_canvas *x, t_pd *who, t_symbol *s)
{
423
    //fprintf(stderr,"canvas_addinlet %d %lx %d\n", x->gl_loading, x->gl_owner, glist_isvisible(x->gl_owner));
Miller Puckette's avatar
Miller Puckette committed
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
    t_inlet *ip = inlet_new(&x->gl_obj, who, s, 0);
    if (!x->gl_loading && x->gl_owner && glist_isvisible(x->gl_owner))
    {
        gobj_vis(&x->gl_gobj, x->gl_owner, 0);
        gobj_vis(&x->gl_gobj, x->gl_owner, 1);
        canvas_fixlinesfor(x->gl_owner, &x->gl_obj);
    }
    if (!x->gl_loading) canvas_resortinlets(x);
    return (ip);
}

void canvas_rminlet(t_canvas *x, t_inlet *ip)
{
    t_canvas *owner = x->gl_owner;
    int redraw = (owner && glist_isvisible(owner) && (!owner->gl_isdeleting)
        && glist_istoplevel(owner));
    
    if (owner) canvas_deletelinesforio(owner, &x->gl_obj, ip, 0);
    if (redraw)
        gobj_vis(&x->gl_gobj, x->gl_owner, 0);
    inlet_free(ip);
    if (redraw)
    {
        gobj_vis(&x->gl_gobj, x->gl_owner, 1);
        canvas_fixlinesfor(x->gl_owner, &x->gl_obj);
    }
}

extern t_inlet *vinlet_getit(t_pd *x);
extern void obj_moveinletfirst(t_object *x, t_inlet *i);

void canvas_resortinlets(t_canvas *x)
{
    int ninlets = 0, i, j, xmax;
    t_gobj *y, **vec, **vp, **maxp;
    
    for (ninlets = 0, y = x->gl_list; y; y = y->g_next)
        if (pd_class(&y->g_pd) == vinlet_class) ninlets++;

463
    if (ninlets < 2  && !(canvas_isgroup(x))) return;
Miller Puckette's avatar
Miller Puckette committed
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
    vec = (t_gobj **)getbytes(ninlets * sizeof(*vec));
    
    for (y = x->gl_list, vp = vec; y; y = y->g_next)
        if (pd_class(&y->g_pd) == vinlet_class) *vp++ = y;
    
    for (i = ninlets; i--;)
    {
        t_inlet *ip;
        for (vp = vec, xmax = -0x7fffffff, maxp = 0, j = ninlets;
            j--; vp++)
        {
            int x1, y1, x2, y2;
            t_gobj *g = *vp;
            if (!g) continue;
            gobj_getrect(g, x, &x1, &y1, &x2, &y2);
            if (x1 > xmax) xmax = x1, maxp = vp;
        }
        if (!maxp) break;
        y = *maxp;
        *maxp = 0;
        ip = vinlet_getit(&y->g_pd);
        
        obj_moveinletfirst(&x->gl_obj, ip);
    }
    freebytes(vec, ninlets * sizeof(*vec));
489
490
491
492
    if (x->gl_owner &&
        glist_isvisible(x->gl_owner) && glist_isvisible(x) &&
        !x->gl_owner->gl_loading && !x->gl_loading)
    {
Miller Puckette's avatar
Miller Puckette committed
493
        canvas_fixlinesfor(x->gl_owner, &x->gl_obj);
494
495
496
497
498
499
500
501
502
        //fprintf(stderr,"good place to fix redrawing of inlets "
        //               ".x%lx owner=.x%lx %d (parent)%d\n",
        //    x, x->gl_owner, x->gl_loading, x->gl_owner->gl_loading);

        /*
        t_object *ob = pd_checkobject(&y->g_pd);
        t_rtext *rt = glist_findrtext(x->gl_owner, (t_text *)&ob->ob_g);
        for (i = 0; i < ninlets; i++)
        {
503
            sys_vgui(".x%x.c itemconfigure %si%d -fill %s -width 1\n",
504
505
506
507
508
509
510
511
512
513
                x, rtext_gettag(rt), i, 
                (obj_issignalinlet(ob, i) ?
                    "$signal_nlet" : "$pd_colors_control_nlet)"));
        }
        */

        //glist_redraw(x);
        graph_vis(&x->gl_gobj, x->gl_owner, 0); 
        graph_vis(&x->gl_gobj, x->gl_owner, 1);
    }
Miller Puckette's avatar
Miller Puckette committed
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
}

t_outlet *canvas_addoutlet(t_canvas *x, t_pd *who, t_symbol *s)
{
    t_outlet *op = outlet_new(&x->gl_obj, s);
    if (!x->gl_loading && x->gl_owner && glist_isvisible(x->gl_owner))
    {
        gobj_vis(&x->gl_gobj, x->gl_owner, 0);
        gobj_vis(&x->gl_gobj, x->gl_owner, 1);
        canvas_fixlinesfor(x->gl_owner, &x->gl_obj);
    }
    if (!x->gl_loading) canvas_resortoutlets(x);
    return (op);
}

void canvas_rmoutlet(t_canvas *x, t_outlet *op)
{
    t_canvas *owner = x->gl_owner;
    int redraw = (owner && glist_isvisible(owner) && (!owner->gl_isdeleting)
        && glist_istoplevel(owner));
    
    if (owner) canvas_deletelinesforio(owner, &x->gl_obj, 0, op);
    if (redraw)
        gobj_vis(&x->gl_gobj, x->gl_owner, 0);

    outlet_free(op);
    if (redraw)
    {
        gobj_vis(&x->gl_gobj, x->gl_owner, 1);
        canvas_fixlinesfor(x->gl_owner, &x->gl_obj);
    }
}

extern t_outlet *voutlet_getit(t_pd *x);
extern void obj_moveoutletfirst(t_object *x, t_outlet *i);

void canvas_resortoutlets(t_canvas *x)
{
    int noutlets = 0, i, j, xmax;
    t_gobj *y, **vec, **vp, **maxp;
    
    for (noutlets = 0, y = x->gl_list; y; y = y->g_next)
        if (pd_class(&y->g_pd) == voutlet_class) noutlets++;

    if (noutlets < 2) return;
    
    vec = (t_gobj **)getbytes(noutlets * sizeof(*vec));
    
    for (y = x->gl_list, vp = vec; y; y = y->g_next)
        if (pd_class(&y->g_pd) == voutlet_class) *vp++ = y;
    
    for (i = noutlets; i--;)
    {
        t_outlet *ip;
        for (vp = vec, xmax = -0x7fffffff, maxp = 0, j = noutlets;
            j--; vp++)
        {
            int x1, y1, x2, y2;
            t_gobj *g = *vp;
            if (!g) continue;
            gobj_getrect(g, x, &x1, &y1, &x2, &y2);
            if (x1 > xmax) xmax = x1, maxp = vp;
        }
        if (!maxp) break;
        y = *maxp;
        *maxp = 0;
        ip = voutlet_getit(&y->g_pd);
        
        obj_moveoutletfirst(&x->gl_obj, ip);
    }
    freebytes(vec, noutlets * sizeof(*vec));
585
586
587
588
    if (x->gl_owner &&
        glist_isvisible(x->gl_owner) && glist_isvisible(x) &&
        !x->gl_owner->gl_loading && !x->gl_loading)
    {
Miller Puckette's avatar
Miller Puckette committed
589
        canvas_fixlinesfor(x->gl_owner, &x->gl_obj);
590
591
592
        //fprintf(stderr,"good place to fix redrawing of outlets\n");
        //fprintf(stderr,"found it\n");
        //glist_redraw(x);
593
594
        graph_vis(&x->gl_gobj, x->gl_owner, 0); 
        graph_vis(&x->gl_gobj, x->gl_owner, 1);
595
    }
Miller Puckette's avatar
Miller Puckette committed
596
597
598
599
600
601
602
603
}

/* ----------calculating coordinates and controlling appearance --------- */


static void graph_bounds(t_glist *x, t_floatarg x1, t_floatarg y1,
    t_floatarg x2, t_floatarg y2)
{
604
    if (x1==x2 || y1==y2) {
Miller Puckette's avatar
Miller Puckette committed
605
606
607
608
        error("graph: empty bounds rectangle");
        x1 = y1 = 0;
        x2 = y2 = 1;
    }
609
    if (x->gl_x1!=x1 || x->gl_y1!=y1 || x->gl_x2!=x2 || x->gl_y2!=y2) {
610
        //printf("%f %f %f %f %f %f %f %f\n",x->gl_x1,x1,x->gl_y1,y1,x->gl_x2,x2,x->gl_y2,y2);
611
612
613
614
        x->gl_x1 = x1;
        x->gl_x2 = x2;
        x->gl_y1 = y1;
        x->gl_y2 = y2;
615
616
        if (!do_not_redraw)
            glist_redraw(x);
617
    }
Miller Puckette's avatar
Miller Puckette committed
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
}

static void graph_xticks(t_glist *x,
    t_floatarg point, t_floatarg inc, t_floatarg f)
{
    x->gl_xtick.k_point = point;
    x->gl_xtick.k_inc = inc;
    x->gl_xtick.k_lperb = f;
    glist_redraw(x);
}

static void graph_yticks(t_glist *x,
    t_floatarg point, t_floatarg inc, t_floatarg f)
{
    x->gl_ytick.k_point = point;
    x->gl_ytick.k_inc = inc;
    x->gl_ytick.k_lperb = f;
    glist_redraw(x);
}

static void graph_xlabel(t_glist *x, t_symbol *s, int argc, t_atom *argv)
{
    int i;
    if (argc < 1) error("graph_xlabel: no y value given");
    else
    {
        x->gl_xlabely = atom_getfloat(argv);
        argv++; argc--;
        x->gl_xlabel = (t_symbol **)t_resizebytes(x->gl_xlabel, 
            x->gl_nxlabels * sizeof (t_symbol *), argc * sizeof (t_symbol *));
        x->gl_nxlabels = argc;
        for (i = 0; i < argc; i++) x->gl_xlabel[i] = atom_gensym(&argv[i]);
    }
    glist_redraw(x);
}
    
static void graph_ylabel(t_glist *x, t_symbol *s, int argc, t_atom *argv)
{
    int i;
    if (argc < 1) error("graph_ylabel: no x value given");
    else
    {
        x->gl_ylabelx = atom_getfloat(argv);
        argv++; argc--;
        x->gl_ylabel = (t_symbol **)t_resizebytes(x->gl_ylabel, 
            x->gl_nylabels * sizeof (t_symbol *), argc * sizeof (t_symbol *));
        x->gl_nylabels = argc;
        for (i = 0; i < argc; i++) x->gl_ylabel[i] = atom_gensym(&argv[i]);
    }
    glist_redraw(x);
}

/****** routines to convert pixels to X or Y value and vice versa ******/

    /* convert an x pixel value to an x coordinate value */
673
t_float glist_pixelstox(t_glist *x, t_float xpix)
Miller Puckette's avatar
Miller Puckette committed
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
{
        /* if we appear as a text box on parent, our range in our
        coordinates (x1, etc.) specifies the coordinate range
        of a one-pixel square at top left of the window. */
    if (!x->gl_isgraph)
        return (x->gl_x1 + (x->gl_x2 - x->gl_x1) * xpix);

        /* if we're a graph when shown on parent, but own our own
        window right now, our range in our coordinates (x1, etc.) is spread
        over the visible window size, given by screenx1, etc. */  
    else if (x->gl_isgraph && x->gl_havewindow)
        return (x->gl_x1 + (x->gl_x2 - x->gl_x1) * 
            (xpix) / (x->gl_screenx2 - x->gl_screenx1));

        /* otherwise, we appear in a graph within a parent glist,
         so get our screen rectangle on parent and transform. */
    else 
    {
        int x1, y1, x2, y2;
        if (!x->gl_owner)
            bug("glist_pixelstox");         
        graph_graphrect(&x->gl_gobj, x->gl_owner, &x1, &y1, &x2, &y2);
        return (x->gl_x1 + (x->gl_x2 - x->gl_x1) * 
            (xpix - x1) / (x2 - x1));
    }
}

701
t_float glist_pixelstoy(t_glist *x, t_float ypix)
Miller Puckette's avatar
Miller Puckette committed
702
703
704
705
706
707
708
709
710
711
{
    if (!x->gl_isgraph)
        return (x->gl_y1 + (x->gl_y2 - x->gl_y1) * ypix);
    else if (x->gl_isgraph && x->gl_havewindow)
        return (x->gl_y1 + (x->gl_y2 - x->gl_y1) * 
                (ypix) / (x->gl_screeny2 - x->gl_screeny1));
    else 
    {
        int x1, y1, x2, y2;
        if (!x->gl_owner)
712
            bug("glist_pixelstoy");
Miller Puckette's avatar
Miller Puckette committed
713
714
715
716
717
718
719
        graph_graphrect(&x->gl_gobj, x->gl_owner, &x1, &y1, &x2, &y2);
        return (x->gl_y1 + (x->gl_y2 - x->gl_y1) * 
            (ypix - y1) / (y2 - y1));
    }
}

    /* convert an x coordinate value to an x pixel location in window */
720
t_float glist_xtopixels(t_glist *x, t_float xval)
Miller Puckette's avatar
Miller Puckette committed
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
{
    if (!x->gl_isgraph)
        return ((xval - x->gl_x1) / (x->gl_x2 - x->gl_x1));
    else if (x->gl_isgraph && x->gl_havewindow)
        return (x->gl_screenx2 - x->gl_screenx1) * 
            (xval - x->gl_x1) / (x->gl_x2 - x->gl_x1);
    else
    {
        int x1, y1, x2, y2;
        if (!x->gl_owner)
            bug("glist_pixelstox");
        graph_graphrect(&x->gl_gobj, x->gl_owner, &x1, &y1, &x2, &y2);
        return (x1 + (x2 - x1) * (xval - x->gl_x1) / (x->gl_x2 - x->gl_x1));
    }
}

737
t_float glist_ytopixels(t_glist *x, t_float yval)
Miller Puckette's avatar
Miller Puckette committed
738
739
740
741
742
743
744
745
746
747
{
    if (!x->gl_isgraph)
        return ((yval - x->gl_y1) / (x->gl_y2 - x->gl_y1));
    else if (x->gl_isgraph && x->gl_havewindow)
        return (x->gl_screeny2 - x->gl_screeny1) * 
                (yval - x->gl_y1) / (x->gl_y2 - x->gl_y1);
    else 
    {
        int x1, y1, x2, y2;
        if (!x->gl_owner)
748
            bug("glist_pixelstoy");
Miller Puckette's avatar
Miller Puckette committed
749
750
751
752
753
754
755
756
        graph_graphrect(&x->gl_gobj, x->gl_owner, &x1, &y1, &x2, &y2);
        return (y1 + (y2 - y1) * (yval - x->gl_y1) / (x->gl_y2 - x->gl_y1));
    }
}

    /* convert an X screen distance to an X coordinate increment.
      This is terribly inefficient;
      but probably not a big enough CPU hog to warrant optimizing. */
757
t_float glist_dpixtodx(t_glist *x, t_float dxpix)
Miller Puckette's avatar
Miller Puckette committed
758
759
760
761
{ 
    return (dxpix * (glist_pixelstox(x, 1) - glist_pixelstox(x, 0)));
}

762
t_float glist_dpixtody(t_glist *x, t_float dypix)
Miller Puckette's avatar
Miller Puckette committed
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
{
    return (dypix * (glist_pixelstoy(x, 1) - glist_pixelstoy(x, 0)));
}

    /* get the window location in pixels of a "text" object.  The
    object's x and y positions are in pixels when the glist they're
    in is toplevel.  Otherwise, if it's a new-style graph-on-parent
    (so gl_goprect is set) we use the offset into the framing subrectangle
    as an offset into the parent rectangle.  Finally, it might be an old,
    proportional-style GOP.  In this case we do a coordinate transformation. */
int text_xpix(t_text *x, t_glist *glist)
{
    if (glist->gl_havewindow || !glist->gl_isgraph)
        return (x->te_xpix);
    else if (glist->gl_goprect)
        return (glist_xtopixels(glist, glist->gl_x1) +
            x->te_xpix - glist->gl_xmargin);
    else return (glist_xtopixels(glist, 
            glist->gl_x1 + (glist->gl_x2 - glist->gl_x1) * 
                x->te_xpix / (glist->gl_screenx2 - glist->gl_screenx1)));
}

int text_ypix(t_text *x, t_glist *glist)
{
    if (glist->gl_havewindow || !glist->gl_isgraph)
        return (x->te_ypix);
    else if (glist->gl_goprect)
        return (glist_ytopixels(glist, glist->gl_y1) +
            x->te_ypix - glist->gl_ymargin);
    else return (glist_ytopixels(glist, 
            glist->gl_y1 + (glist->gl_y2 - glist->gl_y1) * 
                x->te_ypix / (glist->gl_screeny2 - glist->gl_screeny1)));
}

797
798
extern void canvas_updateconnection(t_canvas *x, int lx1, int ly1, int lx2, int ly2, t_int tag);

Miller Puckette's avatar
Miller Puckette committed
799
800
801
802
803
    /* redraw all the items in a glist.  We construe this to mean
    redrawing in its own window and on parent, as needed in each case.
    This is too conservative -- for instance, when you draw an "open"
    rectangle on the parent, you shouldn't have to redraw the window!  */
void glist_redraw(t_glist *x)
804
{
Miller Puckette's avatar
Miller Puckette committed
805
806
807
    if (glist_isvisible(x))
    {
            /* LATER fix the graph_vis() code to handle both cases */
808
        if (glist_istoplevel(x) && x->gl_havewindow)
Miller Puckette's avatar
Miller Puckette committed
809
810
811
812
813
814
815
816
817
818
819
820
        {
            t_gobj *g;
            t_linetraverser t;
            t_outconnect *oc;
            for (g = x->gl_list; g; g = g->g_next)
            {
                gobj_vis(g, x, 0);
                gobj_vis(g, x, 1);
            }
                /* redraw all the lines */
            linetraverser_start(&t, x);
            while (oc = linetraverser_next(&t))
821
822
823
824
                canvas_updateconnection(glist_getcanvas(x), t.tr_lx1, t.tr_ly1, t.tr_lx2, t.tr_ly2, (t_int)oc);
                //sys_vgui(".x%lx.c coords l%lx %d %d %d %d\n",
                //    glist_getcanvas(x), oc,
                //        t.tr_lx1, t.tr_ly1, t.tr_lx2, t.tr_ly2);
Miller Puckette's avatar
Miller Puckette committed
825
826
827
            canvas_drawredrect(x, 0);
            if (x->gl_goprect)
            {
828
                //post("draw it");
829
830
831
832
833
834
835
836
                /* update gop rect size on toplevel in case font has
                changed and we are showing text */
                /*if (!x->gl_hidetext) {
                    int x1, y1, x2, y2;
                    graph_getrect((t_gobj *)x, x, &x1, &y1, &x2, &y2);
                    if (x2-x1 > x->gl_pixwidth) x->gl_pixwidth = x2-x1;
                    if (y2-y1 > x->gl_pixheight) x->gl_pixheight = y2-y1;
                }*/
Miller Puckette's avatar
Miller Puckette committed
837
838
839
                canvas_drawredrect(x, 1);
            }
        }
840
841
842
843
844
    }
    if (x->gl_owner && glist_isvisible(x->gl_owner))
    {
        graph_vis(&x->gl_gobj, x->gl_owner, 0); 
        graph_vis(&x->gl_gobj, x->gl_owner, 1);
Miller Puckette's avatar
Miller Puckette committed
845
846
847
848
849
850
851
852
853
854
855
856
857
    }
}

/* --------------------------- widget behavior  ------------------- */

int garray_getname(t_garray *x, t_symbol **namep);


    /* Note that some code in here would also be useful for drawing
    graph decorations in toplevels... */
static void graph_vis(t_gobj *gr, t_glist *parent_glist, int vis)
{
    t_glist *x = (t_glist *)gr;
858
859
860
861
862
863
864
    //fprintf(stderr,"graph vis canvas=%lx gobj=%lx %d\n",
    //    (t_int)parent_glist, (t_int)gr, vis);
    //fprintf(stderr, "graph_vis gr=.x%lx parent_glist=.x%lx "
    //                "glist_getcanvas(x->gl_owner)=.x%lx vis=%d\n",
    //    (t_int)gr, (t_int)parent_glist,
    //    (t_int)glist_getcanvas(x->gl_owner), vis);  
    char tag[50];
Miller Puckette's avatar
Miller Puckette committed
865
866
867
868
869
870
871
872
873
    t_gobj *g;
    int x1, y1, x2, y2;
        /* ordinary subpatches: just act like a text object */
    if (!x->gl_isgraph)
    {
        text_widgetbehavior.w_visfn(gr, parent_glist, vis);
        return;
    }

874
875
876
877
878
879
880
881
882
883
884
885
    // weird exception
    //int exception = 0;
    //t_canvas* tgt = glist_getcanvas(x->gl_owner);
    //if (parent_glist->gl_owner && !parent_glist->gl_mapped &&
    //        parent_glist->gl_owner->gl_mapped) {
    //    tgt = parent_glist;
    //    exception = 1;
    //}
    //fprintf(stderr,"tgt=.x%lx %d\n", (t_int)tgt, exception);

    if (vis && canvas_showtext(x) && gobj_shouldvis(gr, parent_glist))
        rtext_draw(glist_findrtext(parent_glist, &x->gl_obj));
Miller Puckette's avatar
Miller Puckette committed
886
    graph_getrect(gr, parent_glist, &x1, &y1, &x2, &y2);
887
    //fprintf(stderr,"%d %d %d %d\n", x1, y1, x2, y2);
Miller Puckette's avatar
Miller Puckette committed
888
889
890
    if (!vis)
        rtext_erase(glist_findrtext(parent_glist, &x->gl_obj));

891
892
    sprintf(tag, "%s", rtext_gettag(glist_findrtext(parent_glist, &x->gl_obj)));
    //sprintf(tag, "graph%lx", (t_int)x);
893
894
895
896
    //fprintf(stderr, "gettag=%s, tag=graph%lx\n",
    //    rtext_gettag(glist_findrtext(parent_glist, &x->gl_obj)),(t_int)x);
    /* if we look like a graph but have been moved to a toplevel,
       just show the bounding rectangle */
Miller Puckette's avatar
Miller Puckette committed
897
898
    if (x->gl_havewindow)
    {
899
900
901
902
903
904
905
906
        if (vis && gobj_shouldvis(gr, parent_glist))
        {
            sys_vgui(".x%lx.c create ppolygon %d %d %d %d %d %d %d %d %d %d "
                     "-tags {%sfill graph} -fill $pd_colors(graph_border) "
                     "-stroke $pd_colors(graph_border)\n",
                glist_getcanvas(x->gl_owner),
                //parent_glist,
                x1, y1, x1, y2, x2, y2, x2, y1, x1, y1, tag);
907
            glist_noselect(x->gl_owner);
908
909
910
911
912
913
914
        }
        else if (gobj_shouldvis(gr, parent_glist))
        {
            sys_vgui(".x%lx.c delete %sfill\n",
                glist_getcanvas(x->gl_owner), tag);
                //parent_glist, tag);
        }
Miller Puckette's avatar
Miller Puckette committed
915
916
917
918
919
920
        return;
    }
        /* otherwise draw (or erase) us as a graph inside another glist. */
    if (vis)
    {
        int i;
921
        t_float f;
Miller Puckette's avatar
Miller Puckette committed
922
923
924
        t_gobj *g;
        t_symbol *arrayname;
            /* draw a rectangle around the graph */
925
926
        /*sys_vgui(".x%lx.c create polyline %d %d %d %d %d %d %d %d %d %d "
                   "-stroke $pd_colors(graph_border) -tags {%sR %s graph}\n",
Miller Puckette's avatar
Miller Puckette committed
927
            glist_getcanvas(x->gl_owner),
928
            x1, y1, x1, y2, x2, y2, x2, y1, x1, y1, tag, tag);*/
929
930
931
        sys_vgui(".x%lx.c create prect %d %d %d %d "
                 "-stroke $pd_colors(graph_border) -tags {%sR graph}\n",
                 //REMOVED: -fill $pd_colors(graph) 
932
            glist_getcanvas(x->gl_owner),
933
            x1, y1, x2, y2, tag); // -fill $pd_colors(graph)
934
935

            /* write garrays' names along the top */
Miller Puckette's avatar
Miller Puckette committed
936
        for (i = (y1 < y2 ? y1 : y2)-1, g = x->gl_list; g; g = g->g_next)
937
938
939
940
        {
            //fprintf(stderr,".\n");
            //if (g->g_pd == garray_class)
            //    fprintf(stderr,"garray_getname=%d\n",garray_getname((t_garray *)g, &arrayname));
Miller Puckette's avatar
Miller Puckette committed
941
942
            if (g->g_pd == garray_class &&
                !garray_getname((t_garray *)g, &arrayname))
943
944
945
946
947
948
949
950
951
952
953
            {
                //i++;
                sys_vgui(".x%lx.c create text %d %d -text {%s} -anchor nw "
                         "-font {{%s} -%d %s} -tags {%s label graph} -fill %s\n",
                    (long)glist_getcanvas(x),  x1+2, i, arrayname->s_name,
                    sys_font, sys_hostfontsize(glist_getfont(x)), sys_fontweight,
                    tag,
                    (glist_isselected(x, gr) ?
                        "$pd_colors(selection)" : "$pd_colors(graph_border)"));
                i += sys_fontheight(glist_getfont(x));
            }
Miller Puckette's avatar
Miller Puckette committed
954
955
956
957
958
        }
            /* draw ticks on horizontal borders.  If lperb field is
            zero, this is disabled. */
        if (x->gl_xtick.k_lperb)
        {
959
            t_float upix, lpix;
Miller Puckette's avatar
Miller Puckette committed
960
961
962
963
964
965
966
967
            if (y2 < y1)
                upix = y1, lpix = y2;
            else upix = y2, lpix = y1;
            for (i = 0, f = x->gl_xtick.k_point;
                f < 0.99 * x->gl_x2 + 0.01*x->gl_x1; i++,
                    f += x->gl_xtick.k_inc)
            {
                int tickpix = (i % x->gl_xtick.k_lperb ? 2 : 4);
968
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
969
970
971
                    glist_getcanvas(x->gl_owner),
                    (int)glist_xtopixels(x, f), (int)upix,
                    (int)glist_xtopixels(x, f), (int)upix - tickpix, tag);
972
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
973
974
975
976
977
978
979
980
981
                    glist_getcanvas(x->gl_owner),
                    (int)glist_xtopixels(x, f), (int)lpix,
                    (int)glist_xtopixels(x, f), (int)lpix + tickpix, tag);
            }
            for (i = 1, f = x->gl_xtick.k_point - x->gl_xtick.k_inc;
                f > 0.99 * x->gl_x1 + 0.01*x->gl_x2;
                    i++, f -= x->gl_xtick.k_inc)
            {
                int tickpix = (i % x->gl_xtick.k_lperb ? 2 : 4);
982
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
983
984
985
                    glist_getcanvas(x->gl_owner),
                    (int)glist_xtopixels(x, f), (int)upix,
                    (int)glist_xtopixels(x, f), (int)upix - tickpix, tag);
986
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
987
988
989
990
991
992
993
994
995
                    glist_getcanvas(x->gl_owner),
                    (int)glist_xtopixels(x, f), (int)lpix,
                    (int)glist_xtopixels(x, f), (int)lpix + tickpix, tag);
            }
        }

            /* draw ticks in vertical borders*/
        if (x->gl_ytick.k_lperb)
        {
996
            t_float ubound, lbound;
Miller Puckette's avatar
Miller Puckette committed
997
998
999
1000
1001
1002
1003
1004
            if (x->gl_y2 < x->gl_y1)
                ubound = x->gl_y1, lbound = x->gl_y2;
            else ubound = x->gl_y2, lbound = x->gl_y1;
            for (i = 0, f = x->gl_ytick.k_point;
                f < 0.99 * ubound + 0.01 * lbound;
                    i++, f += x->gl_ytick.k_inc)
            {
                int tickpix = (i % x->gl_ytick.k_lperb ? 2 : 4);
1005
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
1006
1007
1008
                    glist_getcanvas(x->gl_owner),
                    x1, (int)glist_ytopixels(x, f), 
                    x1 + tickpix, (int)glist_ytopixels(x, f), tag);
1009
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
1010
1011
1012
1013
1014
1015
1016
1017
1018
                    glist_getcanvas(x->gl_owner),
                    x2, (int)glist_ytopixels(x, f), 
                    x2 - tickpix, (int)glist_ytopixels(x, f), tag);
            }
            for (i = 1, f = x->gl_ytick.k_point - x->gl_ytick.k_inc;
                f > 0.99 * lbound + 0.01 * ubound;
                    i++, f -= x->gl_ytick.k_inc)
            {
                int tickpix = (i % x->gl_ytick.k_lperb ? 2 : 4);
1019
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
1020
1021
1022
                    glist_getcanvas(x->gl_owner),
                    x1, (int)glist_ytopixels(x, f), 
                    x1 + tickpix, (int)glist_ytopixels(x, f), tag);
1023
                sys_vgui(".x%lx.c create polyline %d %d %d %d -tags %s\n",
Miller Puckette's avatar
Miller Puckette committed
1024
1025
1026
1027
1028
1029
1030
1031
                    glist_getcanvas(x->gl_owner),
                    x2, (int)glist_ytopixels(x, f), 
                    x2 - tickpix, (int)glist_ytopixels(x, f), tag);
            }
        }
            /* draw x labels */
        for (i = 0; i < x->gl_nxlabels; i++)
            sys_vgui(".x%lx.c create text\
1032
        %d %d -text {%s} -font {{%s} %d %s} -tags {%s}\n",
Miller Puckette's avatar
Miller Puckette committed
1033
1034
                glist_getcanvas(x),
                (int)glist_xtopixels(x, atof(x->gl_xlabel[i]->s_name)),
Miller Puckette's avatar
Miller Puckette committed
1035
1036
                (int)glist_ytopixels(x, x->gl_xlabely),
                x->gl_xlabel[i]->s_name, sys_font, 
Miller Puckette's avatar
Miller Puckette committed
1037
                     glist_getfont(x), sys_fontweight, tag);
Miller Puckette's avatar
Miller Puckette committed
1038
1039
1040
1041

            /* draw y labels */
        for (i = 0; i < x->gl_nylabels; i++)
            sys_vgui(".x%lx.c create text\
1042
        %d %d -text {%s} -font {{%s} %d %s} -tags {%s}\n",
Miller Puckette's avatar
Miller Puckette committed
1043
1044
1045
                glist_getcanvas(x),
                (int)glist_xtopixels(x, x->gl_ylabelx),
                (int)glist_ytopixels(x, atof(x->gl_ylabel[i]->s_name)),
Miller Puckette's avatar
Miller Puckette committed
1046
1047
                x->gl_ylabel[i]->s_name, sys_font,
                glist_getfont(x), sys_fontweight, tag);
Miller Puckette's avatar
Miller Puckette committed
1048
1049

            /* draw contents of graph as glist */
1050
1051
1052
1053
        for (g = x->gl_list; g; g = g->g_next)
        {
            gop_redraw = 1;
            //fprintf(stderr,"drawing gop objects\n");
Miller Puckette's avatar
Miller Puckette committed
1054
            gobj_vis(g, x, 1);
1055
1056
1057
1058
            //fprintf(stderr,"done\n");
            gop_redraw = 0;
        }
        /* reselect it upon redrawing if it was selected before */
1059
1060
        glist_drawiofor(parent_glist, &x->gl_obj, 1,
            tag, x1, y1, x2, y2);
1061
1062
        if (glist_isselected(parent_glist, gr))
            gobj_select(gr, parent_glist, 1);
1063
1064
1065
        // here we check for changes in scrollbar because of legacy
        // objects that can fall outside gop window, e.g. scalars
        canvas_getscroll(glist_getcanvas(x->gl_owner));
1066
        //fprintf(stderr,"******************graph_vis SELECT\n");
Miller Puckette's avatar
Miller Puckette committed
1067
1068
1069
1070
1071
    }
    else
    {
        sys_vgui(".x%lx.c delete %s\n",
            glist_getcanvas(x->gl_owner), tag);
1072
1073
        sys_vgui(".x%lx.c delete %sR\n",
            glist_getcanvas(x->gl_owner), tag);
1074
        glist_eraseiofor(parent_glist, &x->gl_obj, tag);
Miller Puckette's avatar
Miller Puckette committed
1075
1076
        for (g = x->gl_list; g; g = g->g_next)
            gobj_vis(g, x, 0);
1077
1078
1079
        // here we check for changes in scrollbar because of legacy
        // objects that can fall outside gop window, e.g. scalars
        canvas_getscroll(glist_getcanvas(x->gl_owner));
Miller Puckette's avatar
Miller Puckette committed
1080
1081
1082
1083
1084
1085
    }
}

    /* get the graph's rectangle, not counting extra swelling for controls
    to keep them inside the graph.  This is the "logical" pixel size. */

1086
void graph_graphrect(t_gobj *z, t_glist *glist,
Miller Puckette's avatar
Miller Puckette committed
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
    int *xp1, int *yp1, int *xp2, int *yp2)
{
    t_glist *x = (t_glist *)z;
    int x1 = text_xpix(&x->gl_obj, glist);
    int y1 = text_ypix(&x->gl_obj, glist);
    int x2, y2;
    x2 = x1 + x->gl_pixwidth;
    y2 = y1 + x->gl_pixheight;

    *xp1 = x1;
    *yp1 = y1;
    *xp2 = x2;
    *yp2 = y2;
}

1102
1103
    /* check if the gop size needs to change due to gop's text
    in case hidetext is not enabled */
1104
void graph_checkgop_rect(t_gobj *z, t_glist *glist,
1105
1106
    int *xp1, int *yp1, int *xp2, int *yp2)
{
1107

1108
1109
    //fprintf(stderr,"graph_checkgop_rect\n");
    t_glist *x = (t_glist *)z;
1110
1111
1112
1113
    t_gobj *g;
    int fw = sys_fontwidth(x->gl_font);
    int fh = sys_fontheight(x->gl_font);

1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
    if (!x->gl_hidetext)
    {
        int x21, y21, x22, y22;
        text_widgetbehavior.w_getrectfn(z, glist, &x21, &y21, &x22, &y22);
        if (x22 > *xp2)
            *xp2 = x22;
        if (y22 > *yp2) 
            *yp2 = y22;
        // WARNING: ugly hack trying to replicate rtext_senditup
        // if we have no parent. Later consider fixing hardwired values
        int tcols = strlen(x->gl_name->s_name) - 3;
        int th = fh + fh * (tcols/60) + 4;
        if (tcols > 60) tcols = 60;
        int tw = fw * tcols + 4;
        if (tw + *xp1 > *xp2)
            *xp2 = tw + *xp1;
        if (th + *yp1 > *yp2)
            *yp2 = th + *yp1;
    }

    // check if the gop has array members and if so,
    // make its minimum size based on array names size
1136
1137
1138
1139
    t_symbol *arrayname;
    int cols_tmp = 0;
    int arrayname_cols = 0;
    int arrayname_rows = 0;
1140
1141
1142
1143
1144
    for (g = x->gl_list; g; g = g->g_next)
    {
        if (pd_class(&g->g_pd) == garray_class &&
            !garray_getname((t_garray *)g, &arrayname))
        {
1145
1146
1147
1148
1149
            arrayname_rows += 1;
            cols_tmp = strlen(arrayname->s_name);
            if(cols_tmp > arrayname_cols) arrayname_cols = cols_tmp;
        }
    }
1150
1151
    if (arrayname_rows)
    {
1152
1153
        int fontwidth = sys_fontwidth(x->gl_font);
        int fontheight = sys_fontheight(x->gl_font);
1154
1155
1156
1157
        if ((arrayname_rows * fontheight - 1) > (*yp2 - *yp1))
            *yp2 = *yp1 + (arrayname_rows * fontheight - 1);
        if ((arrayname_cols * fontwidth + 2) > (*xp2 - *xp1))
            *xp2 = *xp1 + (arrayname_cols * fontwidth + 2);
1158
1159
    }

1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
    // failsafe where we cannot have a gop that is smaller than 1x1 pixels
    // regardless whether the text is hidden
    int in = obj_ninlets(pd_checkobject(&z->g_pd)) * IOWIDTH;
    int out = obj_noutlets(pd_checkobject(&z->g_pd)) * IOWIDTH;
    int minhsize = (in >= out ? in : out) + SCALE_GOP_MINWIDTH;
    int minvsize = ((in > 0 ? 1 : 0) + (out > 0 ? 1 : 0)) * 2 +
        SCALE_GOP_MINHEIGHT;
    if (*xp2 < *xp1+minhsize) *xp2 = *xp1+minhsize;
    if (*yp2 < *yp1+minvsize) *yp2 = *yp1+minvsize;
    
1170
1171
}

Miller Puckette's avatar
Miller Puckette committed
1172
1173
1174
1175
1176
1177
1178
    /* get the rectangle, enlarged to contain all the "contents" --
    meaning their formal bounds rectangles. */
static void graph_getrect(t_gobj *z, t_glist *glist,
    int *xp1, int *yp1, int *xp2, int *yp2)
{
    int x1 = 0x7fffffff, y1 = 0x7fffffff, x2 = -0x7fffffff, y2 = -0x7fffffff;
    t_glist *x = (t_glist *)z;
1179
    //fprintf(stderr,"graph_getrect %d\n", x->gl_isgraph);
Miller Puckette's avatar
Miller Puckette committed
1180
1181
1182
1183
1184
1185
1186
    if (x->gl_isgraph)
    {
        int hadwindow;
        t_gobj *g;
        int x21, y21, x22, y22;

        graph_graphrect(z, glist, &x1, &y1, &x2, &y2);
1187
        //fprintf(stderr,"%d %d %d %d\n", x1, y1, x2, y2);
1188

Miller Puckette's avatar
Miller Puckette committed
1189
1190
1191
1192
1193
1194
1195
        if (canvas_showtext(x))
        {
            text_widgetbehavior.w_getrectfn(z, glist, &x21, &y21, &x22, &y22);
            if (x22 > x2) 
                x2 = x22;
            if (y22 > y2) 
                y2 = y22;
1196
            //fprintf(stderr,"canvas_showtext %d %d %d %d\n", x1, y1, x2, y2);
Miller Puckette's avatar
Miller Puckette committed
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
        }
        if (!x->gl_goprect)
        {
            /* expand the rectangle to fit in text objects; this applies only
            to the old (0.37) graph-on-parent behavior. */
            /* lie about whether we have our own window to affect gobj_getrect
            calls below.  */
            hadwindow = x->gl_havewindow;
            x->gl_havewindow = 0;
            for (g = x->gl_list; g; g = g->g_next)
1207
                if (gobj_shouldvis(g, x))
Miller Puckette's avatar
Miller Puckette committed
1208
1209
1210
            {
                    /* don't do this for arrays, just let them hang outside the
                    box. */
1211
1212
                if (pd_class(&g->g_pd) == garray_class ||
                    pd_class(&g->g_pd) == scalar_class)
Miller Puckette's avatar
Miller Puckette committed
1213
1214
1215
1216
1217
1218
1219
1220
1221
                    continue;
                gobj_getrect(g, x, &x21, &y21, &x22, &y22);
                if (x22 > x2) 
                    x2 = x22;
                if (y22 > y2) 
                    y2 = y22;
            }
            x->gl_havewindow = hadwindow;
        }
1222

1223
1224
1225
        //fprintf(stderr,"%d %d %d %d\n", x1, y1, x2, y2);

        // check if the text is not hidden and if so use that as the
1226
1227
        // limit of the gop's size (we check for hidden flag inside
        // the function we point to)
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
        graph_checkgop_rect(z, glist, &x1, &y1, &x2, &y2);

        /* fix visibility of edge items for garrays */
        int has_garray = 0;
        for (g = x->gl_list; g; g = g->g_next)
        {
            if (pd_class(&g->g_pd) == garray_class)
            {
                has_garray = 1;
            }
        }
        /*if (has_garray) {
            x1 -= 1;
            y1 -= 2;
            //x2 += 1;
            y2 += 1;
        }*/
Miller Puckette's avatar
Miller Puckette committed
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
    }
    else text_widgetbehavior.w_getrectfn(z, glist, &x1, &y1, &x2, &y2);
    *xp1 = x1;
    *yp1 = y1;
    *xp2 = x2;
    *yp2 = y2;
}

static void graph_displace(t_gobj *z, t_glist *glist, int dx, int dy)
{
1255
    //fprintf(stderr,"graph_displace %d %d\n", dx, dy);
Miller Puckette's avatar
Miller Puckette committed
1256
1257
1258
1259
1260
1261
1262
    t_glist *x = (t_glist *)z;
    if (!x->gl_isgraph)
        text_widgetbehavior.w_displacefn(z, glist, dx, dy);
    else
    {
        x->gl_obj.te_xpix += dx;
        x->gl_obj.te_ypix += dy;
1263
1264
1265
1266
        /*char tag[80];
        sprintf(tag, "%s",
            rtext_gettag(
                glist_findrtext((x->gl_owner ? x->gl_owner: x), &x->gl_obj)));
1267
1268
1269
1270
        sys_vgui(".x%lx.c move %s %d %d\n",
            glist_getcanvas(x->gl_owner), tag, dx, dy);
        sys_vgui(".x%lx.c move %sR %d %d\n",
            glist_getcanvas(x->gl_owner), tag, dx, dy);*/
1271
1272
1273
1274
1275
1276
1277
        if (!do_not_redraw)
        {
            //fprintf(stderr,"graph_displace redraw\n");
            glist_redraw(glist_getcanvas(glist));
            //gobj_select(z, glist, 1);
            canvas_fixlinesfor(glist_getcanvas(glist), &x->gl_obj);
        }
1278
1279
1280
    }
}

1281
extern int old_displace; //from g_editor.c for legacy drawing
1282

1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
static void graph_displace_scalars(t_glist *x, t_glist *glist, int dx, int dy)
{
    t_gobj *g;
    for (g = x->gl_list; g; g = g->g_next)
    {
        if (pd_class((t_pd *)g) == scalar_class &&
            g->g_pd->c_wb->w_displacefnwtag != NULL)
        {
            (*(g->g_pd->c_wb->w_displacefnwtag))(g, glist, dx, dy);
        }
        else if (pd_class(&g->g_pd) == canvas_class &&
                 ((t_glist *)g)->gl_isgraph)
        {
            graph_displace_scalars((t_glist *)g, glist, dx, dy); 
        }
    }
}

1301
1302
static void graph_displace_withtag(t_gobj *z, t_glist *glist, int dx, int dy)
{
1303
    //fprintf(stderr,"graph_displace_withtag %d %d\n", dx, dy);
1304
1305
1306
1307
1308
    t_glist *x = (t_glist *)z;
    if (!x->gl_isgraph)
        text_widgetbehavior.w_displacefnwtag(z, glist, dx, dy);
    else
    {
1309
1310
1311
        // first check for legacy objects that don't offer displacefnwtag
        // and fallback on the old way of doing things
        t_gobj *g;
1312
1313
        /* special case for scalars, which have a group for
           the transform matrix */
1314
        graph_displace_scalars(x, glist, dx, dy); 
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
        for (g = x->gl_list; g; g = g->g_next)
        {
            //fprintf(stderr,"shouldvis %d %d\n",
            //    gobj_shouldvis(g, glist), gobj_shouldvis(g, x));
            if (g && gobj_shouldvis(g, x) &&
                g->g_pd->c_wb->w_displacefnwtag == NULL &&
                pd_class((t_pd *)g) != garray_class)
            {
                //fprintf(stderr,"old way\n");
                old_displace = 1;
                graph_displace(z, glist, dx, dy);
                return;
1327
1328
            }
        }
1329
1330
        // else we do things the new and more elegant way
        //fprintf(stderr,"new way\n");
1331

1332
        
1333
1334
1335
        x->gl_obj.te_xpix += dx;
        x->gl_obj.te_ypix += dy;
        canvas_fixlinesfor(glist_getcanvas(glist), &x->gl_obj);
Miller Puckette's avatar
Miller Puckette committed
1336
1337
1338
1339
1340
    }
}

static void graph_select(t_gobj *z, t_glist *glist, int state)
{
1341
1342
    //fprintf(stderr,"graph_select .x%lx .x%lx %d...\n",
    //    (t_int)z, (t_int)glist, state);
Miller Puckette's avatar
Miller Puckette committed
1343
1344
1345
    t_glist *x = (t_glist *)z;
    if (!x->gl_isgraph)
        text_widgetbehavior.w_selectfn(z, glist, state);
1346
    else //if(glist_istoplevel(glist))
Miller Puckette's avatar
Miller Puckette committed
1347
    {
1348
1349
        //fprintf(stderr,"...yes\n");
        //fprintf(stderr,"%lx %lx %lx\n", glist_getcanvas(glist), glist, x);
Miller Puckette's avatar
Miller Puckette committed
1350
1351
        t_rtext *y = glist_findrtext(glist, &x->gl_obj);
        if (canvas_showtext(x))
1352
        {
Miller Puckette's avatar
Miller Puckette committed
1353
            rtext_select(y, state);
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
        }

        t_glist *canvas;
        if (!glist_istoplevel(glist))
        {
            canvas = glist_getcanvas(glist);
        }
        else
        {
            canvas = glist;
        }
        if(glist_istoplevel(glist))
        {
            sys_vgui(".x%lx.c itemconfigure %sR -stroke %s\n", canvas, 
                 rtext_gettag(y),
                 (state? "$pd_colors(selection)" : "$pd_colors(graph_border)"));
            /*
            sys_vgui(".x%lx.c itemconfigure graph%lx -fill %s\n",
Hans-Christoph Steiner's avatar
Hans-Christoph Steiner committed
1372
                 glist_getcanvas(glist), z, 
1373
                 (state? "$pd_colors(selection)" : "$pd_colors(graph_border)"));
1374
1375
            */
            sys_vgui(".x%lx.c itemconfigure %sT -fill %s\n",
1376
                 canvas, rtext_gettag(y), 
1377
                 (state? "$pd_colors(selection)" : "$pd_colors(graph_border)"));
1378

1379
            sys_vgui(".x%lx.c itemconfigure %sfill -stroke %s -fill %s\n",
1380
                 canvas, rtext_gettag(y), 
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
                 (state? "$pd_colors(selection)" : "$pd_colors(graph_border)"),
                 (state? "$pd_colors(selection)" : "$pd_colors(graph_border)"));
        }

        t_gobj *g;
        //fprintf(stderr,"graph_select\n");
        if (x->gl_list && !glist_istoplevel(x))
        {
            for (g = x->gl_list; g; g = g->g_next)
            {
                //fprintf(stderr,"shouldvis %d\n",gobj_shouldvis(g, x));
                if ((g && gobj_shouldvis(g, x) &&
                    (g->g_pd->c_wb->w_displacefnwtag != NULL) ||
                    (g && pd_class((t_pd *)g) == garray_class)))
                {
                    gobj_select(g, x, state);
                }
            }
        }
        sys_vgui("pdtk_select_all_gop_widgets .x%lx %s %d\n",
            canvas, rtext_gettag(glist_findrtext(glist, &x->gl_obj)), state);
Miller Puckette's avatar
Miller Puckette committed
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
    }
}

static void graph_activate(t_gobj *z, t_glist *glist, int state)
{
    t_glist *x = (t_glist *)z;
    if (canvas_showtext(x))
        text_widgetbehavior.w_activatefn(z, glist, state);
}

#if 0
static void graph_delete(t_gobj *z, t_glist *glist)
{
    t_glist *x = (t_glist *)z;
    if (!x->gl_isgraph)
        text_widgetbehavior.w_deletefn(z, glist);
    else
    {
        t_gobj *y;
        while (y = x->gl_list) glist_delete(x, y);
#if 0       /* I think this was just wrong. */
        if (glist_isvisible(x))
            sys_vgui(".x%lx.c delete graph%lx\n", glist_getcanvas(glist), x);
#endif
    }
}
#endif

static void graph_delete(t_gobj *z, t_glist *glist)
{
1432
    //fprintf(stderr,"graph_delete\n");
Miller Puckette's avatar
Miller Puckette committed
1433
1434
1435
    t_glist *x = (t_glist *)z;
    t_gobj *y;
    text_widgetbehavior.w_deletefn(z, glist);
1436
1437
    while (y = x->gl_list)
    {
Miller Puckette's avatar
Miller Puckette committed
1438
        glist_delete(x, y);
1439
1440
    }
    if (glist_istoplevel(glist) && glist_isvisible(glist))
1441
        canvas_getscroll(glist);
Miller Puckette's avatar
Miller Puckette committed
1442
1443
}

1444
static t_float graph_lastxpix, graph_lastypix;
Miller Puckette's avatar
Miller Puckette committed
1445
1446
1447
1448

static void graph_motion(void *z, t_floatarg dx, t_floatarg dy)
{
    t_glist *x = (t_glist *)z;
1449
    t_float newxpix = graph_lastxpix + dx, newypix = graph_lastypix + dy;
Miller Puckette's avatar
Miller Puckette committed
1450
1451
1452
1453
1454
    t_garray *a = (t_garray *)(x->gl_list);
    int oldx = 0.5 + glist_pixelstox(x, graph_lastxpix);
    int newx = 0.5 + glist_pixelstox(x, newxpix);
    t_word *vec;
    int nelem, i;
1455
1456
    t_float oldy = glist_pixelstoy(x, graph_lastypix);
    t_float newy = glist_pixelstoy(x, newypix);
Miller Puckette's avatar
Miller Puckette committed
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
    graph_lastxpix = newxpix;
    graph_lastypix = newypix;
        /* verify that the array is OK */
    if (!a || pd_class((t_pd *)a) != garray_class)
        return;
    if (!garray_getfloatwords(a, &nelem, &vec))
        return;
    if (oldx < 0) oldx = 0;
    if (oldx >= nelem)
        oldx = nelem - 1;
    if (newx < 0) newx = 0;
    if (newx >= nelem)
        newx = nelem - 1;
    if (oldx < newx - 1)
    {
        for (i = oldx + 1; i <= newx; i++)
            vec[i].w_float = newy + (oldy - newy) *
1474
                ((t_float)(newx - i))/(t_float)(newx - oldx);
Miller Puckette's avatar