g_editor.c 140 KB
Newer Older
Miller Puckette's avatar
Miller Puckette committed
1
2
3
4
5
6
7
8
9
/* 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.  */

#include <stdlib.h>
#include <stdio.h>
#include "m_pd.h"
#include "m_imp.h"
#include "s_stuff.h"
10
#include "g_magicglass.h"
Miller Puckette's avatar
Miller Puckette committed
11
#include "g_canvas.h"
12
#include "g_undo.h"
Miller Puckette's avatar
Miller Puckette committed
13
14
15
16
17
18
19
20
#include <string.h>

void glist_readfrombinbuf(t_glist *x, t_binbuf *b, char *filename,
    int selectem);

void open_via_helppath(const char *name, const char *dir);
char *class_gethelpdir(t_class *c);

21
22
//static int toggle_moving = 0; //global variable

Miller Puckette's avatar
Miller Puckette committed
23
24
25
26
27
28
29
30
31
/* ------------------ forward declarations --------------- */
static void canvas_doclear(t_canvas *x);
static void glist_setlastxy(t_glist *gl, int xval, int yval);
static void glist_donewloadbangs(t_glist *x);
static t_binbuf *canvas_docopy(t_canvas *x);
static void canvas_dopaste(t_canvas *x, t_binbuf *b);
static void canvas_paste(t_canvas *x);
static void canvas_clearline(t_canvas *x);
static t_binbuf *copy_binbuf;
32
33
//static char *canvas_textcopybuf;
//static int canvas_textcopybufsize;
Miller Puckette's avatar
Miller Puckette committed
34
static t_glist *glist_finddirty(t_glist *x);
35
36
37
static void canvas_reselect(t_canvas *x);
static void canvas_cut(t_canvas *x);
static void canvas_undo(t_canvas *x);
Hans-Christoph Steiner's avatar
Hans-Christoph Steiner committed
38
static int paste_xyoffset = 0; /* a counter of pastes to make x,y offsets */
39
static void canvas_mouseup_gop(t_canvas *x, t_gobj *g);
40
41
static void canvas_done_popup(t_canvas *x, t_float which, t_float xpos, t_float ypos);
static void canvas_doarrange(t_canvas *x, t_float which, t_gobj *oldy, t_gobj *oldy_prev, t_gobj *oldy_next);
42
static void canvas_paste_xyoffset(t_canvas *x);
43
void canvas_setgraph(t_glist *x, int flag, int nogoprect);
44
45
46
47
48
49
static char canvas_cnct_inlet_tag[4096];
static char canvas_cnct_outlet_tag[4096];
static int outlet_issignal = 0;
static int inlet_issignal = 0;
static int last_inlet_filter = 0;
static int last_outlet_filter = 0;
50
static int copyfromexternalbuffer = 0;
51
52
53
54
55
56
57
58
static int screenx1;            /* screen coordinates when doing copyfromexternalbuffer */
static int screeny1;
static int screenx2;
static int screeny2;
static int copiedfont;
static void canvas_dofont(t_canvas *x, t_floatarg font, t_floatarg xresize,
    t_floatarg yresize);
extern void canvas_setbounds(t_canvas *x, int x1, int y1, int x2, int y2);
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
struct _outlet
{
    t_object *o_owner;
    struct _outlet *o_next;
    t_outconnect *o_connections;
    t_symbol *o_sym;
};

/* used for new duplicate behavior where we can "duplicate" into new window */
static t_canvas *c_selection;

/* iemgui uses black inlets and outlets while default objects use gray ones
   add here more as necessary */
int gobj_filter_highlight_behavior(t_rtext *y) {

	char *buf;
	char name[4];
	int bufsize, i;
	rtext_gettext(y, &buf, &bufsize);
	for (i = 0; i < 3; i++) {
		name[i] = buf[i];
	}
	name[3]='\0';
	//fprintf(stderr,"object name = >%s<\n", name);
	if (!strcmp(name, "bng") ||
		!strcmp(name, "nbx") ||
		!strcmp(name, "hdl") ||
		!strcmp(name, "hsl") ||
		!strcmp(name, "tgl") ||
		!strcmp(name, "vdl") ||
		!strcmp(name, "vsl") ||
		!strcmp(name, "vu ") ||
		/* alternative names for hradio and vradio when invoked from the menu */
		!strcmp(name, "hra") ||
		!strcmp(name, "vra")
		)
		return 1;

	return 0;
}
Miller Puckette's avatar
Miller Puckette committed
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114

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

void gobj_getrect(t_gobj *x, t_glist *glist, int *x1, int *y1,
    int *x2, int *y2)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_getrectfn)
        (*x->g_pd->c_wb->w_getrectfn)(x, glist, x1, y1, x2, y2);
}

void gobj_displace(t_gobj *x, t_glist *glist, int dx, int dy)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_displacefn)
        (*x->g_pd->c_wb->w_displacefn)(x, glist, dx, dy);
}

115
116
117
118
119
120
void gobj_displace_withtag(t_gobj *x, t_glist *glist, int dx, int dy)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_displacefnwtag)
        (*x->g_pd->c_wb->w_displacefnwtag)(x, glist, dx, dy);
}

Miller Puckette's avatar
Miller Puckette committed
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
void gobj_select(t_gobj *x, t_glist *glist, int state)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_selectfn)
        (*x->g_pd->c_wb->w_selectfn)(x, glist, state);
}

void gobj_activate(t_gobj *x, t_glist *glist, int state)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_activatefn)
        (*x->g_pd->c_wb->w_activatefn)(x, glist, state);
}

void gobj_delete(t_gobj *x, t_glist *glist)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_deletefn)
        (*x->g_pd->c_wb->w_deletefn)(x, glist);
}

139
140
141
int gobj_shouldvis(t_gobj *x, struct _glist *glist)
{
    t_object *ob;
142
	//fprintf(stderr,"shouldvis\n");
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
    if (!glist->gl_havewindow && glist->gl_isgraph && glist->gl_goprect &&
        glist->gl_owner && (pd_class(&glist->gl_pd) != garray_class))
    {
        /* if we're graphing-on-parent and the object falls outside the
        graph rectangle, don't draw it. */
        int x1, y1, x2, y2, gx1, gy1, gx2, gy2, m;
        gobj_getrect(&glist->gl_gobj, glist->gl_owner, &x1, &y1, &x2, &y2);
        if (x1 > x2)
            m = x1, x1 = x2, x2 = m;
        if (y1 > y2)
            m = y1, y1 = y2, y2 = m;
        gobj_getrect(x, glist, &gx1, &gy1, &gx2, &gy2);
        if (gx1 < x1 || gx1 > x2 || gx2 < x1 || gx2 > x2 ||
            gy1 < y1 || gy1 > y2 || gy2 < y1 || gy2 > y2)
                return (0);
158
159
		if (glist==glist_getcanvas(glist))
        	sys_vgui(".x%lx.c raise all_cords\n", glist_getcanvas(glist));
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
    }
    if (ob = pd_checkobject(&x->g_pd))
    {
        /* return true if the text box should be drawn.  We don't show text
        boxes inside graphs---except comments, if we're doing the new
        (goprect) style. */
        return (glist->gl_havewindow ||
            (ob->te_pd != canvas_class &&
                ob->te_pd->c_wb != &text_widgetbehavior) ||
            (ob->te_pd == canvas_class && (((t_glist *)ob)->gl_isgraph)) ||
            (glist->gl_goprect && (ob->te_type == T_TEXT)));
    }
    else return (1);
}

Miller Puckette's avatar
Miller Puckette committed
175
176
void gobj_vis(t_gobj *x, struct _glist *glist, int flag)
{
177
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_visfn && gobj_shouldvis(x, glist))
Miller Puckette's avatar
Miller Puckette committed
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
        (*x->g_pd->c_wb->w_visfn)(x, glist, flag);
}

int gobj_click(t_gobj *x, struct _glist *glist,
    int xpix, int ypix, int shift, int alt, int dbl, int doit)
{
    if (x->g_pd->c_wb && x->g_pd->c_wb->w_clickfn)
        return ((*x->g_pd->c_wb->w_clickfn)(x,
            glist, xpix, ypix, shift, alt, dbl, doit));
    else return (0);
}

/* ------------------------ managing the selection ----------------- */

void glist_selectline(t_glist *x, t_outconnect *oc, int index1,
    int outno, int index2, int inno)
{
    if (x->gl_editor)
    {
        glist_noselect(x);
        x->gl_editor->e_selectedline = 1;
        x->gl_editor->e_selectline_index1 = index1;
        x->gl_editor->e_selectline_outno = outno;
        x->gl_editor->e_selectline_index2 = index2;
        x->gl_editor->e_selectline_inno = inno;
        x->gl_editor->e_selectline_tag = oc;
Hans-Christoph Steiner's avatar
Hans-Christoph Steiner committed
204
205
        sys_vgui(".x%lx.c itemconfigure l%lx -fill $select_color\n",
            x, x->gl_editor->e_selectline_tag);
206
207
208
        sys_vgui(".x%lx.c addtag selected withtag l%lx\n",
            glist_getcanvas(x), x->gl_editor->e_selectline_tag);
		c_selection = x;
209
    }
Miller Puckette's avatar
Miller Puckette committed
210
211
212
213
214
215
}

void glist_deselectline(t_glist *x)
{
    if (x->gl_editor)
    {
Hans-Christoph Steiner's avatar
Hans-Christoph Steiner committed
216
217
        t_linetraverser t;
        t_outconnect *oc;
Miller Puckette's avatar
Miller Puckette committed
218
        x->gl_editor->e_selectedline = 0;
Hans-Christoph Steiner's avatar
Hans-Christoph Steiner committed
219
220
221
222
223
224
225
226
227
228
229
230
        linetraverser_start(&t, glist_getcanvas(x));
        do {
            oc = linetraverser_next(&t);
        } while (oc && oc != x->gl_editor->e_selectline_tag);
        int issignal;
        if(outlet_getsymbol(t.tr_outlet) == &s_signal)
            issignal = 1;
        else
            issignal = 0;
        sys_vgui(".x%lx.c itemconfigure l%lx -fill %s\n",
            x, x->gl_editor->e_selectline_tag,
            (issignal ? "$signal_cord" : "$msg_cord"));
231
232
        sys_vgui(".x%lx.c dtag l%lx selected\n",
            glist_getcanvas(x), glist_getcanvas(x)->gl_editor->e_selectline_tag);
Miller Puckette's avatar
Miller Puckette committed
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
    }    
}

int glist_isselected(t_glist *x, t_gobj *y)
{
    if (x->gl_editor)
    {
        t_selection *sel;
        for (sel = x->gl_editor->e_selection; sel; sel = sel->sel_next)
            if (sel->sel_what == y) return (1);
    }
    return (0);
}

    /* call this for unselected objects only */
void glist_select(t_glist *x, t_gobj *y)
{
    if (x->gl_editor)
    {
252
253
		if (c_selection && c_selection != x)
			glist_noselect(c_selection);
Miller Puckette's avatar
Miller Puckette committed
254
255
256
257
258
259
260
261
262
        t_selection *sel = (t_selection *)getbytes(sizeof(*sel));
        if (x->gl_editor->e_selectedline)
            glist_deselectline(x);
            /* LATER #ifdef out the following check */
        if (glist_isselected(x, y)) bug("glist_select");
        sel->sel_next = x->gl_editor->e_selection;
        sel->sel_what = y;
        x->gl_editor->e_selection = sel;
        gobj_select(y, x, 1);
263
		c_selection = x;
264
265

		sys_vgui("pdtk_canvas_update_edit_menu .x%lx 1\n", x);
Miller Puckette's avatar
Miller Puckette committed
266
267
268
    }
}

Miller Puckette's avatar
Miller Puckette committed
269
270
271
272
273
274
275
276
277
278
279
280
281
282
    /* recursively deselect everything in a gobj "g", if it happens to be
    a glist, in preparation for deselecting g itself in glist_dselect() */
static void glist_checkanddeselectall(t_glist *gl, t_gobj *g)
{
    t_glist *gl2;
    t_gobj *g2;
    if (pd_class(&g->g_pd) != canvas_class)
        return;
    gl2 = (t_glist *)g;
    for (g2 = gl2->gl_list; g2; g2 = g2->g_next)
        glist_checkanddeselectall(gl2, g2);
    glist_noselect(gl2);
}

Miller Puckette's avatar
Miller Puckette committed
283
284
285
    /* call this for selected objects only */
void glist_deselect(t_glist *x, t_gobj *y)
{
286
	//fprintf(stderr, "deselect\n");
Miller Puckette's avatar
Miller Puckette committed
287
288
    int fixdsp = 0;
    static int reenter = 0;
Miller Puckette's avatar
Miller Puckette committed
289
    /* if (reenter) return; */
Miller Puckette's avatar
Miller Puckette committed
290
291
292
293
294
295
296
297
    reenter = 1;
    if (x->gl_editor)
    {
        t_selection *sel, *sel2;
        t_rtext *z = 0;
        if (!glist_isselected(x, y)) bug("glist_deselect");
        if (x->gl_editor->e_textedfor)
        {
298
			//fprintf(stderr, "e_textedfor\n");
Miller Puckette's avatar
Miller Puckette committed
299
300
301
            t_rtext *fuddy = glist_findrtext(x, (t_text *)y);
            if (x->gl_editor->e_textedfor == fuddy)
            {
302
				//fprintf(stderr, "e_textedfor == fuddy\n");
Miller Puckette's avatar
Miller Puckette committed
303
304
                if (x->gl_editor->e_textdirty)
                {
305
					//fprintf(stderr, "textdirty yes\n");
Miller Puckette's avatar
Miller Puckette committed
306
307
                    z = fuddy;
                    canvas_stowconnections(glist_getcanvas(x));
Miller Puckette's avatar
Miller Puckette committed
308
                    glist_checkanddeselectall(x, y);
Miller Puckette's avatar
Miller Puckette committed
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
                }
                gobj_activate(y, x, 0);
            }
            if (zgetfn(&y->g_pd, gensym("dsp")))
                fixdsp = canvas_suspend_dsp();
        }
        if ((sel = x->gl_editor->e_selection)->sel_what == y)
        {
            x->gl_editor->e_selection = x->gl_editor->e_selection->sel_next;
            gobj_select(sel->sel_what, x, 0);
            freebytes(sel, sizeof(*sel));
        }
        else
        {
            for (sel = x->gl_editor->e_selection; sel2 = sel->sel_next;
                sel = sel2)
            {
                if (sel2->sel_what == y)
                {
                    sel->sel_next = sel2->sel_next;
                    gobj_select(sel2->sel_what, x, 0);
                    freebytes(sel2, sizeof(*sel2));
                    break;
                }
            }
        }
        if (z)
        {
337
			//fprintf(stderr, "setto\n");
Miller Puckette's avatar
Miller Puckette committed
338
339
340
341
342
343
344
345
346
347
            char *buf;
            int bufsize;

            rtext_gettext(z, &buf, &bufsize);
            text_setto((t_text *)y, x, buf, bufsize);
            canvas_fixlinesfor(glist_getcanvas(x), (t_text *)y);
            x->gl_editor->e_textedfor = 0;
        }
        if (fixdsp)
            canvas_resume_dsp(1);
348
349
		if (!x->gl_editor->e_selection)
			sys_vgui("pdtk_canvas_update_edit_menu .x%lx 0\n", x);
Miller Puckette's avatar
Miller Puckette committed
350
351
352
353
354
355
356
357
    }
    reenter = 0;
}

void glist_noselect(t_glist *x)
{
    if (x->gl_editor)
    {
358
359
360
361
		if (x->gl_editor->e_selection) {
		    while (x->gl_editor->e_selection)
		        glist_deselect(x, x->gl_editor->e_selection->sel_what);
		}
Miller Puckette's avatar
Miller Puckette committed
362
363
        if (x->gl_editor->e_selectedline)
            glist_deselectline(x);
364
365
		if (c_selection == x)
			c_selection = NULL;
Miller Puckette's avatar
Miller Puckette committed
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
    }
}

void glist_selectall(t_glist *x)
{
    if (x->gl_editor)
    {
        glist_noselect(x);
        if (x->gl_list)
        {
            t_selection *sel = (t_selection *)getbytes(sizeof(*sel));
            t_gobj *y = x->gl_list;
            x->gl_editor->e_selection = sel;
            sel->sel_what = y;
            gobj_select(y, x, 1);
            while (y = y->g_next)
            {
                t_selection *sel2 = (t_selection *)getbytes(sizeof(*sel2));
                sel->sel_next = sel2;
                sel = sel2;
                sel->sel_what = y;
                gobj_select(y, x, 1);
            }
            sel->sel_next = 0;
390
			c_selection = x;
Miller Puckette's avatar
Miller Puckette committed
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
        }
    }
}

    /* get the index of a gobj in a glist.  If y is zero, return the
    total number of objects. */
int glist_getindex(t_glist *x, t_gobj *y)
{
    t_gobj *y2;
    int indx;

    for (y2 = x->gl_list, indx = 0; y2 && y2 != y; y2 = y2->g_next)
        indx++;
    return (indx);
}

    /* get the index of the object, among selected items, if "selected"
    is set; otherwise, among unselected ones.  If y is zero, just
    counts the selected or unselected objects. */
int glist_selectionindex(t_glist *x, t_gobj *y, int selected)
{
    t_gobj *y2;
    int indx;

    for (y2 = x->gl_list, indx = 0; y2 && y2 != y; y2 = y2->g_next)
        if (selected == glist_isselected(x, y2))
            indx++;
    return (indx);
}

static t_gobj *glist_nth(t_glist *x, int n)
{
    t_gobj *y;
    int indx;
    for (y = x->gl_list, indx = 0; y; y = y->g_next, indx++)
        if (indx == n)
            return (y);
    return (0);
}

/* ------------------- support for undo/redo  -------------------------- */

static t_undofn canvas_undo_fn;         /* current undo function if any */
static int canvas_undo_whatnext;        /* whether we can now UNDO or REDO */
static void *canvas_undo_buf;           /* data private to the undo function */
static t_canvas *canvas_undo_canvas;    /* which canvas we can undo on */
static const char *canvas_undo_name;

void canvas_setundo(t_canvas *x, t_undofn undofn, void *buf,
    const char *name)
{
442
	//fprintf(stderr,"canvas_setundo %s\n", name);
443

Miller Puckette's avatar
Miller Puckette committed
444
445
446
447
448
    int hadone = 0;
        /* blow away the old undo information.  In one special case the
        old undo info is re-used; if so we shouldn't free it here. */
    if (canvas_undo_fn && canvas_undo_buf && (buf != canvas_undo_buf))
    {
449
		//fprintf(stderr,"hadone canvas_setundo\n");
Miller Puckette's avatar
Miller Puckette committed
450
451
452
453
454
455
456
457
        (*canvas_undo_fn)(canvas_undo_canvas, canvas_undo_buf, UNDO_FREE);
        hadone = 1;
    }
    canvas_undo_canvas = x;
    canvas_undo_fn = undofn;
    canvas_undo_buf = buf;
    canvas_undo_whatnext = UNDO_UNDO;
    canvas_undo_name = name;
458
459
460
    //if (x && glist_isvisible(x) && glist_istoplevel(x))
	if (x)
    	// enable undo in menu
Miller Puckette's avatar
Miller Puckette committed
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
        sys_vgui("pdtk_undomenu .x%lx %s no\n", x, name);
    else if (hadone)
        sys_vgui("pdtk_undomenu nobody no no\n");
}

    /* clear undo if it happens to be for the canvas x.
     (but if x is 0, clear it regardless of who owns it.) */
void canvas_noundo(t_canvas *x)
{
    if (!x || (x == canvas_undo_canvas))
        canvas_setundo(0, 0, 0, "foo");
}

static void canvas_undo(t_canvas *x)
{
476
	//fprintf(stderr,"canvas_undo\n");
Miller Puckette's avatar
Miller Puckette committed
477
478
479
480
481
482
    if (x != canvas_undo_canvas)
        bug("canvas_undo 1");
    else if (canvas_undo_whatnext != UNDO_UNDO)
        bug("canvas_undo 2");
    else
    {
483
        //fprintf(stderr,"undo\n");
Miller Puckette's avatar
Miller Puckette committed
484
485
486
487
488
        (*canvas_undo_fn)(canvas_undo_canvas, canvas_undo_buf, UNDO_UNDO);
            /* enable redo in menu */
        if (glist_isvisible(x) && glist_istoplevel(x))
            sys_vgui("pdtk_undomenu .x%lx no %s\n", x, canvas_undo_name);
        canvas_undo_whatnext = UNDO_REDO;
489
		sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", x);
Miller Puckette's avatar
Miller Puckette committed
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
    }
}

static void canvas_redo(t_canvas *x)
{
    if (x != canvas_undo_canvas)
        bug("canvas_undo 1");
    else if (canvas_undo_whatnext != UNDO_REDO)
        bug("canvas_undo 2");
    else
    {
        /* post("redo"); */
        (*canvas_undo_fn)(canvas_undo_canvas, canvas_undo_buf, UNDO_REDO);
            /* enable undo in menu */
        if (glist_isvisible(x) && glist_istoplevel(x))
            sys_vgui("pdtk_undomenu .x%lx %s no\n", x, canvas_undo_name);
        canvas_undo_whatnext = UNDO_UNDO;
507
		sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", x);
Miller Puckette's avatar
Miller Puckette committed
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
    }
}

/* ------- specific undo methods: 1. connect and disconnect -------- */

typedef struct _undo_connect    
{
    int u_index1;
    int u_outletno;
    int u_index2;
    int u_inletno;
} t_undo_connect;

static void *canvas_undo_set_disconnect(t_canvas *x,
    int index1, int outno, int index2, int inno)
{
    t_undo_connect *buf = (t_undo_connect *)getbytes(sizeof(*buf));
    buf->u_index1 = index1;
    buf->u_outletno = outno;
    buf->u_index2 = index2;
    buf->u_inletno = inno;
    return (buf);
}

void canvas_disconnect(t_canvas *x,
533
    t_float index1, t_float outno, t_float index2, t_float inno)
Miller Puckette's avatar
Miller Puckette committed
534
535
536
537
538
539
540
541
542
543
544
545
{
    t_linetraverser t;
    t_outconnect *oc;
    linetraverser_start(&t, x);
    while (oc = linetraverser_next(&t))
    {
        int srcno = canvas_getindex(x, &t.tr_ob->ob_g);
        int sinkno = canvas_getindex(x, &t.tr_ob2->ob_g);
        if (srcno == index1 && t.tr_outno == outno &&
            sinkno == index2 && t.tr_inno == inno)
        {
            sys_vgui(".x%lx.c delete l%lx\n", x, oc);
546
547
548
549
550
551
            // jsarlo
			if(x->gl_magic_glass) {
            	magicGlass_unbind(x->gl_magic_glass);
            	magicGlass_hide(x->gl_magic_glass);
			}
            // end jsarlo
Miller Puckette's avatar
Miller Puckette committed
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
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
            obj_disconnect(t.tr_ob, t.tr_outno, t.tr_ob2, t.tr_inno);
            break;
        }
    }
}

static void canvas_undo_disconnect(t_canvas *x, void *z, int action)
{
    t_undo_connect *buf = z;
    if (action == UNDO_UNDO)
    {
        canvas_connect(x, buf->u_index1, buf->u_outletno,
            buf->u_index2, buf->u_inletno);
    }
    else if (action == UNDO_REDO)
    {
        canvas_disconnect(x, buf->u_index1, buf->u_outletno,
            buf->u_index2, buf->u_inletno);
    }
    else if (action == UNDO_FREE)
        t_freebytes(buf, sizeof(*buf));
}

    /* connect just calls disconnect actions backward... */
static void *canvas_undo_set_connect(t_canvas *x,
    int index1, int outno, int index2, int inno)
{
    return (canvas_undo_set_disconnect(x, index1, outno, index2, inno));
}

static void canvas_undo_connect(t_canvas *x, void *z, int action)
{
    int myaction;
    if (action == UNDO_UNDO)
        myaction = UNDO_REDO;
    else if (action == UNDO_REDO)
        myaction = UNDO_UNDO;
    else myaction = action;
    canvas_undo_disconnect(x, z, myaction);
}

/* ---------- ... 2. cut, clear, and typing into objects: -------- */

#define UCUT_CUT 1          /* operation was a cut */
#define UCUT_CLEAR 2        /* .. a clear */
#define UCUT_TEXT 3         /* text typed into a box */

typedef struct _undo_cut        
{
    t_binbuf *u_objectbuf;      /* the object cleared or typed into */
    t_binbuf *u_reconnectbuf;   /* connections into and out of object */
    t_binbuf *u_redotextbuf;    /* buffer to paste back for redo if TEXT */
    int u_mode;                 /* from flags above */
605
606
607
	int n_obj;					/* number of selected objects to be cut */
	int p_a[1];					/* array of original glist positions of selected objects */
								/* at least one object is selected, we dynamically resize it later */
Miller Puckette's avatar
Miller Puckette committed
608
609
610
611
612
613
614
615
616
} t_undo_cut;

static void *canvas_undo_set_cut(t_canvas *x, int mode)
{
    t_undo_cut *buf;
    t_gobj *y;
    t_linetraverser t;
    t_outconnect *oc;
    int nnotsel= glist_selectionindex(x, 0, 0);
617
618
619
	int nsel = glist_selectionindex(x, 0, 1);
    buf = (t_undo_cut *)getbytes(sizeof(*buf) + sizeof(buf->p_a[0]) * (nsel - 1));
	buf->n_obj = nsel;
Miller Puckette's avatar
Miller Puckette committed
620
621
622
623
624
625
    buf->u_mode = mode;
    buf->u_redotextbuf = 0;

        /* store connections into/out of the selection */
    buf->u_reconnectbuf = binbuf_new();
    linetraverser_start(&t, x);
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
	//if (linetraverser_next(&t)) {
	while (oc = linetraverser_next(&t))
	{
	    int issel1 = glist_isselected(x, &t.tr_ob->ob_g);
	    int issel2 = glist_isselected(x, &t.tr_ob2->ob_g);
	    if (issel1 != issel2)
	    {
	        binbuf_addv(buf->u_reconnectbuf, "ssiiii;",
	            gensym("#X"), gensym("connect"),
	            (issel1 ? nnotsel : 0)
	                + glist_selectionindex(x, &t.tr_ob->ob_g, issel1),
	            t.tr_outno,
	            (issel2 ? nnotsel : 0) +
	                glist_selectionindex(x, &t.tr_ob2->ob_g, issel2),
	            t.tr_inno);
	    }
642
	}
643
	//}
Miller Puckette's avatar
Miller Puckette committed
644
645
646
647
648
649
650
651
652
653
654
655
    if (mode == UCUT_TEXT)
    {
        buf->u_objectbuf = canvas_docopy(x);
    }
    else if (mode == UCUT_CUT)
    {
        buf->u_objectbuf = 0;
    }
    else if (mode == UCUT_CLEAR)
    {
        buf->u_objectbuf = canvas_docopy(x);
    }
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674

	//instantiate num_obj and fill array of positions of selected objects
	if (mode == UCUT_CUT || mode == UCUT_CLEAR)
	{
		int i = 0, j = 0;
		if (x->gl_list) {
			for (y = x->gl_list; y; y = y->g_next)
			{
				if (glist_isselected(x, y)) {
					buf->p_a[i] = j;
					i++; 
				}
				j++;
			}
		}
		//for (i = 0; i < buf->n_obj; i++)
		//	fprintf(stderr,"%d position = %d\n", i, buf->p_a[i]);
	}

Miller Puckette's avatar
Miller Puckette committed
675
676
677
678
679
    return (buf);
}

static void canvas_undo_cut(t_canvas *x, void *z, int action)
{
680
	//fprintf(stderr, "canvas_undo_cut canvas=%d buf=%d action=%d\n", (int)x, (int)z, action);
Miller Puckette's avatar
Miller Puckette committed
681
682
683
684
    t_undo_cut *buf = z;
    int mode = buf->u_mode;
    if (action == UNDO_UNDO)
    {
685
		//fprintf(stderr,"UNDO_UNDO\n");
686
687
        if (mode == UCUT_CUT) {
			//fprintf(stderr, "UCUT_CUT\n");
Miller Puckette's avatar
Miller Puckette committed
688
            canvas_dopaste(x, copy_binbuf);
689
690
691
		}
        else if (mode == UCUT_CLEAR) {
			//fprintf(stderr, "UCUT_CLEAR\n");
Miller Puckette's avatar
Miller Puckette committed
692
            canvas_dopaste(x, buf->u_objectbuf);
693
		}
Miller Puckette's avatar
Miller Puckette committed
694
695
        else if (mode == UCUT_TEXT)
        {
696
			//fprintf(stderr, "UCUT_TEXT\n");
Miller Puckette's avatar
Miller Puckette committed
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
            t_gobj *y1, *y2;
            glist_noselect(x);
            for (y1 = x->gl_list; y2 = y1->g_next; y1 = y2)
                ;
            if (y1)
            {
                if (!buf->u_redotextbuf)
                {
                    glist_noselect(x);
                    glist_select(x, y1);
                    buf->u_redotextbuf = canvas_docopy(x);
                    glist_noselect(x);
                }
                glist_delete(x, y1);
            }
            canvas_dopaste(x, buf->u_objectbuf);
        }
        pd_bind(&x->gl_pd, gensym("#X"));
        binbuf_eval(buf->u_reconnectbuf, 0, 0, 0);
        pd_unbind(&x->gl_pd, gensym("#X"));
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766

		//now reposition objects to their original locations
		if (mode == UCUT_CUT || mode == UCUT_CLEAR) {
			//fprintf(stderr,"reordering\n");
			int i = 0;
			int paste_pos = glist_getindex(x,0) - buf->n_obj; //location of the first newly pasted object
			//fprintf(stderr,"paste_pos %d\n", paste_pos);
			t_gobj *y_prev, *y, *y_next;
			for (i = 0; i < buf->n_obj; i++) {
				//first check if we are in the same position already
				if (paste_pos+i != buf->p_a[i]) {
					//fprintf(stderr,"not in the right place\n");
					y_prev = glist_nth(x, paste_pos-1+i);
					y = glist_nth(x, paste_pos+i);
					y_next = glist_nth(x, paste_pos+1+i);
					//if the object is supposed to be first in of gl_list
					if (buf->p_a[i] == 0) {
						if (y_prev && y_next) {
							y_prev->g_next = y_next;
						}
						else if (y_prev && !y_next)
							y_prev->g_next = NULL;
						//now put the moved object at the beginning of the cue
						y->g_next = glist_nth(x, 0);
						x->gl_list = y;
					}
					//if the object is supposed to be at the current end of gl_list	
					//can this ever happen???
					/*else if (!glist_nth(x,buf->p_a[i])) {

					}*/
					//if the object is supposed to be in the middle of gl_list
					else {
						if (y_prev && y_next) {
							y_prev->g_next = y_next;
						}
						else if (y_prev && !y_next) {
							y_prev->g_next = NULL;
						}
						//now put the moved object in its right place
						y_prev = glist_nth(x, buf->p_a[i]-1);
						y_next = glist_nth(x, buf->p_a[i]);

						y_prev->g_next = y;
						y->g_next = y_next;
					}
				}
				canvas_redraw(x);
			}
		}
Miller Puckette's avatar
Miller Puckette committed
767
768
769
    }
    else if (action == UNDO_REDO)
    {
770
		//fprintf(stderr,"UNDO_REDO\n");
771
772
773
774
775
776
777
778
        if (mode == UCUT_CUT || mode == UCUT_CLEAR) {
			//we can't just blindly do clear here when the user may have
			//unselected things between undo and redo, so first let's select
			//the right stuff
			glist_noselect(x);
			int i = 0;
			for (i = 0; i < buf->n_obj; i++)
            	glist_select(x, glist_nth(x, buf->p_a[i]));
Miller Puckette's avatar
Miller Puckette committed
779
            canvas_doclear(x);
780
		}
Miller Puckette's avatar
Miller Puckette committed
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
        else if (mode == UCUT_TEXT)
        {
            t_gobj *y1, *y2;
            for (y1 = x->gl_list; y2 = y1->g_next; y1 = y2)
                ;
            if (y1)
                glist_delete(x, y1);
            canvas_dopaste(x, buf->u_redotextbuf);
            pd_bind(&x->gl_pd, gensym("#X"));
            binbuf_eval(buf->u_reconnectbuf, 0, 0, 0);
            pd_unbind(&x->gl_pd, gensym("#X"));
        }
    }
    else if (action == UNDO_FREE)
    {
796
		//fprintf(stderr,"UNDO_FREE\n");
Miller Puckette's avatar
Miller Puckette committed
797
798
799
800
801
802
        if (buf->u_objectbuf)
            binbuf_free(buf->u_objectbuf);
        if (buf->u_reconnectbuf)
            binbuf_free(buf->u_reconnectbuf);
        if (buf->u_redotextbuf)
            binbuf_free(buf->u_redotextbuf);
803
        if (buf != NULL) t_freebytes(buf, sizeof(*buf) + sizeof(buf->p_a[0]) * (buf->n_obj-1));
Miller Puckette's avatar
Miller Puckette committed
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
    }
}

/* --------- 3. motion, including "tidy up" and stretching ----------- */

typedef struct _undo_move_elem  
{
    int e_index;
    int e_xpix;
    int e_ypix;
} t_undo_move_elem;

typedef struct _undo_move       
{
    t_undo_move_elem *u_vec;
    int u_n;
} t_undo_move;

static int canvas_undo_already_set_move;

static void *canvas_undo_set_move(t_canvas *x, int selected)
{
    int x1, y1, x2, y2, i, indx;
    t_gobj *y;
    t_undo_move *buf =  (t_undo_move *)getbytes(sizeof(*buf));
    buf->u_n = selected ? glist_selectionindex(x, 0, 1) : glist_getindex(x, 0);
    buf->u_vec = (t_undo_move_elem *)getbytes(sizeof(*buf->u_vec) *
        (selected ? glist_selectionindex(x, 0, 1) : glist_getindex(x, 0)));
    if (selected)
    {
        for (y = x->gl_list, i = indx = 0; y; y = y->g_next, indx++)
            if (glist_isselected(x, y))
        {
            gobj_getrect(y, x, &x1, &y1, &x2, &y2);
            buf->u_vec[i].e_index = indx;
            buf->u_vec[i].e_xpix = x1;
            buf->u_vec[i].e_ypix = y1;
            i++;
        }
    }
    else
    {
        for (y = x->gl_list, indx = 0; y; y = y->g_next, indx++)
        {
            gobj_getrect(y, x, &x1, &y1, &x2, &y2);
            buf->u_vec[indx].e_index = indx;
            buf->u_vec[indx].e_xpix = x1;
            buf->u_vec[indx].e_ypix = y1;
        }
    }
    canvas_undo_already_set_move = 1;
    return (buf);
}

static void canvas_undo_move(t_canvas *x, void *z, int action)
{
    t_undo_move *buf = z;
861
862
	t_class *cl;
	int resortin = 0, resortout = 0;
Miller Puckette's avatar
Miller Puckette committed
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
    if (action == UNDO_UNDO || action == UNDO_REDO)
    {
        int i;
        for (i = 0; i < buf->u_n; i++)
        {
            int x1, y1, x2, y2, newx, newy;
            t_gobj *y;
            newx = buf->u_vec[i].e_xpix;
            newy = buf->u_vec[i].e_ypix;
            y = glist_nth(x, buf->u_vec[i].e_index);
            if (y)
            {
                gobj_getrect(y, x, &x1, &y1, &x2, &y2);
                gobj_displace(y, x, newx-x1, newy - y1);
                buf->u_vec[i].e_xpix = x1;
                buf->u_vec[i].e_ypix = y1;
879
880
881
				cl = pd_class(&y->g_pd);
		        if (cl == vinlet_class) resortin = 1;
		        else if (cl == voutlet_class) resortout = 1;
Miller Puckette's avatar
Miller Puckette committed
882
883
            }
        }
884
885
		if (resortin) canvas_resortinlets(x);
		if (resortout) canvas_resortoutlets(x);
Miller Puckette's avatar
Miller Puckette committed
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
    }
    else if (action == UNDO_FREE)
    {
        t_freebytes(buf->u_vec, buf->u_n * sizeof(*buf->u_vec));
        t_freebytes(buf, sizeof(*buf));
    }
}

/* --------- 4. paste (also duplicate) ----------- */

typedef struct _undo_paste      
{
    int u_index;    /* index of first object pasted */  
} t_undo_paste;

static void *canvas_undo_set_paste(t_canvas *x)
{
    t_undo_paste *buf =  (t_undo_paste *)getbytes(sizeof(*buf));
    buf->u_index = glist_getindex(x, 0);
    return (buf);
}

static void canvas_undo_paste(t_canvas *x, void *z, int action)
{
    t_undo_paste *buf = z;
    if (action == UNDO_UNDO)
    {
        t_gobj *y;
        glist_noselect(x);
        for (y = glist_nth(x, buf->u_index); y; y = y->g_next)
            glist_select(x, y);
        canvas_doclear(x);
    }
    else if (action == UNDO_REDO)
    {
        t_selection *sel;
        canvas_dopaste(x, copy_binbuf);
            /* if it was "duplicate" have to re-enact the displacement. */
        if (canvas_undo_name && canvas_undo_name[0] == 'd')
925
926
927
            //for (sel = x->gl_editor->e_selection; sel; sel = sel->sel_next)
            //    gobj_displace(sel->sel_what, x, 10, 10);
			canvas_paste_xyoffset(x);
Miller Puckette's avatar
Miller Puckette committed
928
929
930
931
932
933
934
935
936
937
938
    }
else if (action == UNDO_FREE)
        t_freebytes(buf, sizeof(*buf));
}

    /* recursively check for abstractions to reload as result of a save. 
    Don't reload the one we just saved ("except") though. */
    /*  LATER try to do the same trick for externs. */
static void glist_doreload(t_glist *gl, t_symbol *name, t_symbol *dir,
    t_gobj *except)
{
939
	//fprintf(stderr,"doreload\n");
Miller Puckette's avatar
Miller Puckette committed
940
941
    t_gobj *g;
    int i, nobj = glist_getindex(gl, 0);  /* number of objects */
942
    int hadwindow = gl->gl_havewindow;
Miller Puckette's avatar
Miller Puckette committed
943
944
945
946
947
948
949
950
951
952
953
    for (g = gl->gl_list, i = 0; g && i < nobj; i++)
    {
        if (g != except && pd_class(&g->g_pd) == canvas_class &&
            canvas_isabstraction((t_canvas *)g) &&
                ((t_canvas *)g)->gl_name == name &&
                    canvas_getdir((t_canvas *)g) == dir)
        {
                /* we're going to remake the object, so "g" will go stale.
                Get its index here, and afterward restore g.  Also, the
                replacement will be at the end of the list, so we don't
                do g = g->g_next in this case. */
954
			//fprintf(stderr, "rebuildlicious\n");
Miller Puckette's avatar
Miller Puckette committed
955
            int j = glist_getindex(gl, g);
956
957
            if (!gl->gl_havewindow)
                canvas_vis(glist_getcanvas(gl), 1);
Miller Puckette's avatar
Miller Puckette committed
958
959
960
961
962
963
964
965
966
967
968
969
970
            glist_noselect(gl);
            glist_select(gl, g);
            canvas_setundo(gl, canvas_undo_cut,
                canvas_undo_set_cut(gl, UCUT_CLEAR), "clear");
            canvas_doclear(gl);
            canvas_undo(gl);
            glist_noselect(gl);
            g = glist_nth(gl, j);
        }
        else
        {
            if (g != except && pd_class(&g->g_pd) == canvas_class)
                glist_doreload((t_canvas *)g, name, dir, except);
971
             	g = g->g_next;
Miller Puckette's avatar
Miller Puckette committed
972
973
        }
    }
974
    if (!hadwindow && gl->gl_havewindow)
975
        canvas_vis(glist_getcanvas(gl), 0);
Miller Puckette's avatar
Miller Puckette committed
976
977
}

978
979
980
981
    /* this flag stops canvases from being marked "dirty" if we have to touch
    them to reload an abstraction; also suppress window list update */
int glist_amreloadingabstractions = 0;

Miller Puckette's avatar
Miller Puckette committed
982
983
984
985
    /* call canvas_doreload on everyone */
void canvas_reload(t_symbol *name, t_symbol *dir, t_gobj *except)
{
    t_canvas *x;
Miller Puckette's avatar
Miller Puckette committed
986
    int dspwas = canvas_suspend_dsp();
Miller Puckette's avatar
Miller Puckette committed
987
    glist_amreloadingabstractions = 1;
Miller Puckette's avatar
Miller Puckette committed
988
989
990
        /* find all root canvases */
    for (x = canvas_list; x; x = x->gl_next)
        glist_doreload(x, name, dir, except);
991
    glist_amreloadingabstractions = 0;
Miller Puckette's avatar
Miller Puckette committed
992
    canvas_resume_dsp(dspwas);
Miller Puckette's avatar
Miller Puckette committed
993
994
}

995
996
997
998
999
1000
/* --------- 5. apply  ----------- */

typedef struct _undo_apply        
{
    t_binbuf *u_objectbuf;      /* the object cleared or typed into */
    t_binbuf *u_reconnectbuf;   /* connections into and out of object */