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/* Copyright (c) 2005 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* This is a prototype of an active comment. It might be replaced with
a new core object type, T_LINK (te_type bitfield would have to be
extended then). */
#include <stdio.h>
#include <string.h>
#include "m_pd.h"
#include "m_imp.h" /* FIXME need access to c_externdir... */
#include "g_canvas.h"
typedef struct _pddplink
{
t_object x_ob;
t_glist *x_glist;
int x_isboxed;
char *x_vistext;
int x_vissize;
int x_vislength;
int x_rtextactive;
t_symbol *x_dirsym;
t_symbol *x_ulink;
t_atom x_openargs[2];
int x_linktype;
int x_ishit;
} t_pddplink;
static t_class *pddplink_class;
static t_class *pddplinkbox_class;
/* Code that might be merged back to g_text.c starts here: */
static void pddplink_getrect(t_gobj *z, t_glist *glist,
int *xp1, int *yp1, int *xp2, int *yp2)
{
t_pddplink *x = (t_pddplink *)z;
int width, height;
float x1, y1, x2, y2;
if (glist->gl_editor && glist->gl_editor->e_rtext)
{
if (x->x_rtextactive)
{
t_rtext *y = glist_findrtext(glist, (t_text *)x);
width = rtext_width(y);
height = rtext_height(y) - 2;
}
else
{
int font = glist_getfont(glist);
width = x->x_vislength * sys_fontwidth(font) + 2;
height = sys_fontheight(font) + 2;
}
}
else width = height = 10;
x1 = text_xpix((t_text *)x, glist);
y1 = text_ypix((t_text *)x, glist);
x2 = x1 + width;
y2 = y1 + height;
y1 += 1;
*xp1 = x1;
*yp1 = y1;
*xp2 = x2;
*yp2 = y2;
}
static void pddplink_displace(t_gobj *z, t_glist *glist, int dx, int dy)
{
t_text *t = (t_text *)z;
t->te_xpix += dx;
t->te_ypix += dy;
if (glist_isvisible(glist))
{
t_rtext *y = glist_findrtext(glist, t);
rtext_displace(y, dx, dy);
}
}
static void pddplink_select(t_gobj *z, t_glist *glist, int state)
{
t_pddplink *x = (t_pddplink *)z;
t_rtext *y = glist_findrtext(glist, (t_text *)x);
rtext_select(y, state);
if (state)
sys_vgui(".x%lx.c itemconfigure %s -fill blue\n",
glist, rtext_gettag(y));
else
sys_vgui(".x%lx.c itemconfigure %s -text {%s} -fill #0000dd -activefill #e70000\n",
glist, rtext_gettag(y), x->x_vistext);
}
static void pddplink_activate(t_gobj *z, t_glist *glist, int state)
{
t_pddplink *x = (t_pddplink *)z;
t_rtext *y = glist_findrtext(glist, (t_text *)x);
rtext_activate(y, state);
x->x_rtextactive = state;
}
static void pddplink_vis(t_gobj *z, t_glist *glist, int vis)
{
t_pddplink *x = (t_pddplink *)z;
t_rtext *y = glist_findrtext(glist, (t_text *)x);
if (vis)
{
rtext_draw(y);
sys_vgui(".x%lx.c itemconfigure %s -text {%s} -fill #0000dd -activefill #e70000\n",
glist_getcanvas(glist), rtext_gettag(y), x->x_vistext);
}
else
rtext_erase(y);
}
static int pddplink_wbclick(t_gobj *z, t_glist *glist, int xpix, int ypix,
int shift, int alt, int dbl, int doit);
static t_widgetbehavior pddplink_widgetbehavior =
{
pddplink_getrect,
pddplink_displace,
pddplink_select,
pddplink_activate,
0,
pddplink_vis,
pddplink_wbclick,
};
/* Code that might be merged back to g_text.c ends here. */
/* FIXME need access to glob_pdobject... */
static t_pd *pddplink_pdtarget(t_pddplink *x)
{
t_pd *pdtarget = gensym("pd")->s_thing;
if (pdtarget && !strcmp(class_getname(*pdtarget), "pd"))
return (pdtarget);
else
return ((t_pd *)x); /* internal error */
}
static void pddplink_anything(t_pddplink *x, t_symbol *s, int ac, t_atom *av)
{
if (x->x_ishit)
{
startpost("pddplink: internal error (%s", (s ? s->s_name : ""));
postatom(ac, av);
post(")");
}
}
static void pddplink_click(t_pddplink *x, t_floatarg xpos, t_floatarg ypos,
t_floatarg shift, t_floatarg ctrl, t_floatarg alt)
{
x->x_ishit = 1;
sys_vgui("pddplink_open {%s} {%s}\n", \
x->x_ulink->s_name, x->x_dirsym->s_name);
x->x_ishit = 0;
}
static void pddplink_bang(t_pddplink *x)
{
pddplink_click(x, 0, 0, 0, 0, 0);
}
static int pddplink_wbclick(t_gobj *z, t_glist *glist, int xpix, int ypix,
int shift, int alt, int dbl, int doit)
{
t_pddplink *x = (t_pddplink *)z;
if (doit)
{
pddplink_click(x, (t_floatarg)xpix, (t_floatarg)ypix,
(t_floatarg)shift, 0, (t_floatarg)alt);
return (1);
}
else
return (0);
}
static int pddplink_isoption(char *name)
{
if (*name == '-')
{
char c = name[1];
return ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'));
}
else return (0);
}
static t_symbol *pddplink_nextsymbol(int ac, t_atom *av, int opt, int *skipp)
{
int ndx;
for (ndx = 0; ndx < ac; ndx++, av++)
{
if (av->a_type == A_SYMBOL &&
(!opt || pddplink_isoption(av->a_w.w_symbol->s_name)))
{
*skipp = ++ndx;
return (av->a_w.w_symbol);
}
}
return (0);
}
static int pddplink_dooptext(char *dst, int maxsize, int ac, t_atom *av)
{
int i, sz, sep, len;
char buf[32], *src;
for (i = 0, sz = 0, sep = 0; i < ac; i++, av++)
{
if (sep)
{
sz++;
if (sz >= maxsize)
break;
else if (dst)
{
*dst++ = ' ';
*dst = 0;
}
}
else sep = 1;
if (av->a_type == A_SYMBOL)
src = av->a_w.w_symbol->s_name;
else if (av->a_type == A_FLOAT)
{
src = buf;
sprintf(src, "%g", av->a_w.w_float);
}
else
{
sep = 0;
continue;
}
len = strlen(src);
sz += len;
if (sz >= maxsize)
break;
else if (dst)
{
strcpy(dst, src);
dst += len;
}
}
return (sz);
}
static char *pddplink_optext(int *sizep, int ac, t_atom *av)
{
char *result;
int sz = pddplink_dooptext(0, MAXPDSTRING, ac, av);
*sizep = sz + (sz >= MAXPDSTRING ? 4 : 1);
result = getbytes(*sizep);
pddplink_dooptext(result, sz + 1, ac, av);
if (sz >= MAXPDSTRING)
{
sz = strlen(result);
strcpy(result + sz, "...");
}
return (result);
}
static void pddplink_free(t_pddplink *x)
{
if (x->x_vistext)
freebytes(x->x_vistext, x->x_vissize);
}
static void *pddplink_new(t_symbol *s, int ac, t_atom *av)
{
t_pddplink xgen, *x;
int skip;
xgen.x_isboxed = 0;
xgen.x_vistext = 0;
xgen.x_vissize = 0;
if ((xgen.x_ulink = pddplink_nextsymbol(ac, av, 0, &skip)))
{
t_symbol *opt;
ac -= skip;
av += skip;
while ((opt = pddplink_nextsymbol(ac, av, 1, &skip)))
{
ac -= skip;
av += skip;
if (opt == gensym("-box"))
xgen.x_isboxed = 1;
else if (opt == gensym("-text"))
{
t_symbol *nextsym = pddplink_nextsymbol(ac, av, 1, &skip);
int natoms = (nextsym ? skip - 1 : ac);
if (natoms)
xgen.x_vistext =
pddplink_optext(&xgen.x_vissize, natoms, av);
}
}
}
x = (t_pddplink *)
pd_new(xgen.x_isboxed ? pddplinkbox_class : pddplink_class);
x->x_glist = canvas_getcurrent();
x->x_dirsym = canvas_getdir(x->x_glist); /* FIXME */
x->x_isboxed = xgen.x_isboxed;
x->x_vistext = xgen.x_vistext;
x->x_vissize = xgen.x_vissize;
x->x_vislength = (x->x_vistext ? strlen(x->x_vistext) : 0);
x->x_rtextactive = 0;
if (xgen.x_ulink)
x->x_ulink = xgen.x_ulink;
else
x->x_ulink = gensym("Untitled");
SETSYMBOL(&x->x_openargs[0], x->x_ulink);
SETSYMBOL(&x->x_openargs[1], x->x_dirsym);
x->x_ishit = 0;
if (x->x_isboxed)
outlet_new((t_object *)x, &s_anything);
else
{
/* do we need to set ((t_text *)x)->te_type = T_TEXT; ? */
if (!x->x_vistext)
{
x->x_vislength = strlen(x->x_ulink->s_name);
x->x_vissize = x->x_vislength + 1;
x->x_vistext = getbytes(x->x_vissize);
strcpy(x->x_vistext, x->x_ulink->s_name);
}
}
return (x);
}
void pddplink_setup(void)
{
t_symbol *dirsym;
pddplink_class = class_new(gensym("pddplink"),
(t_newmethod)pddplink_new,
(t_method)pddplink_free,
sizeof(t_pddplink),
CLASS_NOINLET | CLASS_PATCHABLE,
A_GIMME, 0);
class_addanything(pddplink_class, pddplink_anything);
class_setwidget(pddplink_class, &pddplink_widgetbehavior);
pddplinkbox_class = class_new(gensym("pddplink"), 0,
(t_method)pddplink_free,
sizeof(t_pddplink), 0, A_GIMME, 0);
class_addbang(pddplinkbox_class, pddplink_bang);
class_addanything(pddplinkbox_class, pddplink_anything);
class_addmethod(pddplinkbox_class, (t_method)pddplink_click,
gensym("click"),
A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
dirsym = pddplink_class->c_externdir; /* FIXME */
sys_vgui("source {%s/pddplink.tcl}\n", dirsym->s_name);
}
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