rxvt-unicode/src/rxvtperl.xs

/*----------------------------------------------------------------------*
 * File:        rxvtperl.xs
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 2005-2005 Marc Lehmann <pcg@goof.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#define line_t perl_line_t
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#undef line_t

#include "../config.h"

#include <cstdarg>

#include "rxvt.h"
#include "iom.h"
#include "rxvtutil.h"
#include "rxvtperl.h"

#include "perlxsi.c"

#undef LINENO
#define LINENO(n) MOD (THIS->term_start + int(n), THIS->total_rows)
#undef ROW
#define ROW(n) THIS->row_buf [LINENO (n)]

/////////////////////////////////////////////////////////////////////////////

static wchar_t *
sv2wcs (SV *sv)
{
  STRLEN len;
  char *str = SvPVutf8 (sv, len);
  return rxvt_utf8towcs (str, len);
}

static SV *
new_ref (HV *hv, const char *klass)
{
  return sv_bless (newRV ((SV *)hv), gv_stashpv (klass, 1));
}

//TODO: use magic
static SV *
newSVptr (void *ptr, const char *klass)
{
  HV *hv = newHV ();
  hv_store (hv, "_ptr", 4, newSViv ((long)ptr), 0);
  return sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
}

static long
SvPTR (SV *sv, const char *klass)
{
  if (!sv_derived_from (sv, klass))
    croak ("object of type %s expected", klass);

  IV iv = SvIV (*hv_fetch ((HV *)SvRV (sv), "_ptr", 4, 1));

  if (!iv)
    croak ("perl code used %s object, but C++ object is already destroyed, caught", klass);

  return (long)iv;
}

#define newSVterm(term) SvREFCNT_inc ((SV *)term->self)
#define SvTERM(sv) (rxvt_term *)SvPTR (sv, "urxvt::term")

/////////////////////////////////////////////////////////////////////////////

struct perl_watcher
{
  SV *cbsv;
  HV *self;

  perl_watcher ()
  : cbsv (newSV (0))
  {
  }

  ~perl_watcher ()
  {
    SvREFCNT_dec (cbsv);
  }

  void cb (SV *cb)
  {
    sv_setsv (cbsv, cb);
  }

  void invoke (const char *type, SV *self, int arg = -1);
};

void
perl_watcher::invoke (const char *type, SV *self, int arg)
{
  dSP;

  ENTER;
  SAVETMPS;

  PUSHMARK (SP);

  XPUSHs (sv_2mortal (self));

  if (arg >= 0)
    XPUSHs (sv_2mortal (newSViv (arg)));

  PUTBACK;
  call_sv (cbsv, G_VOID | G_EVAL | G_DISCARD);
  SPAGAIN;

  PUTBACK;
  FREETMPS;
  LEAVE;

  if (SvTRUE (ERRSV))
    rxvt_warn ("%s callback evaluation error: %s", type, SvPV_nolen (ERRSV));
}

#define newSVtimer(timer) new_ref (timer->self, "urxvt::timer")
#define SvTIMER(sv) (timer *)SvPTR (sv, "urxvt::timer")

struct timer : time_watcher, perl_watcher
{
  timer ()
  : time_watcher (this, &timer::execute)
  {
  }

  void execute (time_watcher &w)
  {
    invoke ("urxvt::timer", newSVtimer (this));
  }
};

#define newSViow(iow) new_ref (iow->self, "urxvt::iow")
#define SvIOW(sv) (iow *)SvPTR (sv, "urxvt::iow")

struct iow : io_watcher, perl_watcher
{
  iow ()
  : io_watcher (this, &iow::execute)
  {
  }

  void execute (io_watcher &w, short revents)
  {
    invoke ("urxvt::iow", newSViow (this), revents);
  }
};

/////////////////////////////////////////////////////////////////////////////

struct rxvt_perl_interp rxvt_perl;

static PerlInterpreter *perl;

rxvt_perl_interp::rxvt_perl_interp ()
{
}

rxvt_perl_interp::~rxvt_perl_interp ()
{
  if (perl)
    {
      perl_destruct (perl);
      perl_free (perl);
    }
}

void
rxvt_perl_interp::init ()
{
  if (!perl)
    {
      char *argv[] = {
        "",
        "-edo '" LIBDIR "/urxvt.pm' or ($@ and die $@) or exit 1",
      };

      perl = perl_alloc ();
      perl_construct (perl);

      if (perl_parse (perl, xs_init, 2, argv, (char **)NULL)
          || perl_run (perl))
        {
          rxvt_warn ("unable to initialize perl-interpreter, continuing without.\n");

          perl_destruct (perl);
          perl_free (perl);
          perl = 0;
        }
    }
}

bool
rxvt_perl_interp::invoke (rxvt_term *term, hook_type htype, ...)
{
  if (!perl
      || (!should_invoke [htype] && htype != HOOK_INIT && htype != HOOK_DESTROY))
    return false;
  
  if (htype == HOOK_INIT) // first hook ever called
    term->self = (void *)newSVptr ((void *)term, "urxvt::term");

  dSP;
  va_list ap;

  va_start (ap, htype);

  ENTER;
  SAVETMPS;

  PUSHMARK (SP);

  XPUSHs (sv_2mortal (newSVterm (term)));
  XPUSHs (sv_2mortal (newSViv (htype)));

  for (;;) {
    data_type dt = (data_type)va_arg (ap, int);

    switch (dt)
      {
        case DT_INT:
          XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
          break;

        case DT_LONG:
          XPUSHs (sv_2mortal (newSViv (va_arg (ap, long))));
          break;

        case DT_STRING:
          XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
          break;

        case DT_END:
          {
            va_end (ap);

            PUTBACK;
            int count = call_pv ("urxvt::invoke", G_ARRAY | G_EVAL);
            SPAGAIN;

            if (count)
              {
                SV *status = POPs;
                count = SvTRUE (status);
              }

            PUTBACK;
            FREETMPS;
            LEAVE;

            if (SvTRUE (ERRSV))
              rxvt_warn ("perl hook %d evaluation error: %s", htype, SvPV_nolen (ERRSV));

            if (htype == HOOK_DESTROY)
              {
                // TODO: clear magic
                hv_clear ((HV *)SvRV ((SV *)term->self));
                SvREFCNT_dec ((SV *)term->self);
              }

            return count;
          }

        default:
          rxvt_fatal ("FATAL: unable to pass data type %d\n", dt);
      }
  }
}

/////////////////////////////////////////////////////////////////////////////

MODULE = urxvt             PACKAGE = urxvt

PROTOTYPES: ENABLE

BOOT:
{
# define set_hookname(sym) av_store (hookname, PP_CONCAT(HOOK_, sym), newSVpv (PP_STRINGIFY(sym), 0))
# define export_const(name) newCONSTSUB (gv_stashpv ("urxvt", 1), #name, newSViv (name));
  AV *hookname = get_av ("urxvt::HOOKNAME", 1);
  set_hookname (INIT);
  set_hookname (RESET);
  set_hookname (START);
  set_hookname (DESTROY);
  set_hookname (SEL_BEGIN);
  set_hookname (SEL_EXTEND);
  set_hookname (SEL_MAKE);
  set_hookname (SEL_GRAB);
  set_hookname (FOCUS_IN);
  set_hookname (FOCUS_OUT);
  set_hookname (VIEW_CHANGE);
  set_hookname (SCROLL_BACK);
  set_hookname (TTY_ACTIVITY);
  set_hookname (REFRESH_BEGIN);
  set_hookname (REFRESH_END);
  set_hookname (KEYBOARD_COMMAND);

  export_const (DEFAULT_RSTYLE);
  export_const (OVERLAY_RSTYLE);
  export_const (RS_Bold);
  export_const (RS_Italic);
  export_const (RS_Blink);
  export_const (RS_RVid);
  export_const (RS_Uline);

  sv_setpv (get_sv ("urxvt::LIBDIR", 1), LIBDIR);
}

void
set_should_invoke (int htype, int value)
        CODE:
        rxvt_perl.should_invoke [htype] = value;

void
warn (const char *msg)
        CODE:
        rxvt_warn ("%s", msg);

void
fatal (const char *msg)
        CODE:
        rxvt_fatal ("%s", msg);

NV
NOW ()
        CODE:
        RETVAL = NOW;
        OUTPUT:
        RETVAL

int
GET_BASEFG (int rend)
        CODE:
        RETVAL = GET_BASEFG (rend);
        OUTPUT:
        RETVAL

int
GET_BASEBG (int rend)
        CODE:
        RETVAL = GET_BASEBG (rend);
        OUTPUT:
        RETVAL

int
SET_FGCOLOR (int rend, int new_color)
        CODE:
        RETVAL = SET_FGCOLOR (rend, new_color);
        OUTPUT:
        RETVAL

int
SET_BGCOLOR (int rend, int new_color)
        CODE:
        RETVAL = SET_BGCOLOR (rend, new_color);
        OUTPUT:
        RETVAL

int
GET_CUSTOM (int rend)
        CODE:
        RETVAL = (rend && RS_customMask) >> RS_customShift;
        OUTPUT:
        RETVAL

int
SET_CUSTOM (int rend, int new_value)
        CODE:
{
        if (!IN_RANGE_EXC (new_value, 0, RS_customCount))
          croak ("custom value out of range, must be 0..%d", RS_customCount - 1);

        RETVAL = (rend & ~RS_customMask)
               | ((new_value << RS_customShift) & RS_customMask);
}
        OUTPUT:
        RETVAL

MODULE = urxvt             PACKAGE = urxvt::term

int
rxvt_term::strwidth (SV *str)
        CODE:
{
        wchar_t *wstr = sv2wcs (str);

        rxvt_push_locale (THIS->locale);
        RETVAL = wcswidth (wstr, wcslen (wstr));
        rxvt_pop_locale ();

        free (wstr);
}
        OUTPUT:
        RETVAL

SV *
rxvt_term::locale_encode (SV *str)
        CODE:
{
        wchar_t *wstr = sv2wcs (str);

        rxvt_push_locale (THIS->locale);
        char *mbstr = rxvt_wcstombs (wstr);
        rxvt_pop_locale ();

        free (wstr);

        RETVAL = newSVpv (mbstr, 0);
        free (mbstr);
}
        OUTPUT:
        RETVAL

SV *
rxvt_term::locale_decode (SV *octets)
        CODE:
{
        STRLEN len;
        char *data = SvPVbyte (octets, len);

        rxvt_push_locale (THIS->locale);
        wchar_t *wstr = rxvt_mbstowcs (data, len);
        rxvt_pop_locale ();

        char *str = rxvt_wcstoutf8 (wstr);
        free (wstr);

        RETVAL = newSVpv (str, 0);
        SvUTF8_on (RETVAL);
        free (str);
}
        OUTPUT:
        RETVAL

int
rxvt_term::nsaved ()
        CODE:
        RETVAL = THIS->nsaved;
        OUTPUT:
        RETVAL

int
rxvt_term::view_start (int newval = -1)
        CODE:
{
        RETVAL = THIS->view_start;

        if (newval >= 0)
          {
            THIS->view_start = min (newval, THIS->nsaved);
            THIS->scr_changeview (RETVAL);
          }
}
        OUTPUT:
        RETVAL

int
rxvt_term::nrow ()
        CODE:
        RETVAL = THIS->nrow;
        OUTPUT:
        RETVAL

int
rxvt_term::ncol ()
        CODE:
        RETVAL = THIS->ncol;
        OUTPUT:
        RETVAL

void
rxvt_term::want_refresh ()
        CODE:
        THIS->want_refresh = 1;

void
rxvt_term::ROW_t (int row_number, SV *new_text = 0, int start_col = 0)
        PPCODE:
{
        if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
          croak ("row_number number of out range");

        line_t &l = ROW(row_number);

        if (GIMME_V != G_VOID)
          {
            wchar_t *wstr = new wchar_t [THIS->ncol];

            for (int col = 0; col <THIS->ncol; col++)
              wstr [col] = l.t [col];

            char *str = rxvt_wcstoutf8 (wstr, THIS->ncol);
            free (wstr);

            SV *sv = newSVpv (str, 0);
            SvUTF8_on (sv);
            XPUSHs (sv_2mortal (sv));
            free (str);
          }

        if (new_text)
          {
            STRLEN slen;
            char *str = SvPVutf8 (new_text, slen);
            wchar_t *wstr = rxvt_utf8towcs (str, slen);

            int len = wcslen (wstr);

            if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
              {
                free (wstr);
                croak ("new_text extends beyond horizontal margins");
              }

            for (int col = start_col; col < start_col + len; col++)
              {
                l.t [col] = wstr [col - start_col];
                l.r [col] = SET_FONT (l.r [col], THIS->fontset [GET_STYLE (l.r [col])]->find_font (l.t [col]));
              }

            free (wstr);
          }
}

void
rxvt_term::ROW_r (int row_number, SV *new_rend = 0, int start_col = 0)
        PPCODE:
{
        if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
          croak ("row_number number of out range");

        line_t &l = ROW(row_number);

        if (GIMME_V != G_VOID)
          {
            AV *av = newAV ();

            av_extend (av, THIS->ncol - 1);
            for (int col = 0; col < THIS->ncol; col++)
              av_store (av, col, newSViv (l.r [col]));

            XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
          }

        if (new_rend)
          {
            if (!SvROK (new_rend) || SvTYPE (SvRV (new_rend)) != SVt_PVAV)
              croak ("new_rend must be arrayref");

            AV *av = (AV *)SvRV (new_rend);
            int len = av_len (av) + 1;

            if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
              croak ("new_rend array extends beyond horizontal margins");

            for (int col = start_col; col < start_col + len; col++)
              {
                rend_t r = SvIV (*av_fetch (av, col - start_col, 1)) & ~RS_fontMask;

                l.r [col] = SET_FONT (r, THIS->fontset [GET_STYLE (r)]->find_font (l.t [col]));
              }
          }
}

int
rxvt_term::ROW_l (int row_number, int new_length = -2)
        CODE:
{
        if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
          croak ("row_number number of out range");

        line_t &l = ROW(row_number);
        RETVAL = l.l;

        if (new_length >= -1)
          l.l = new_length;
}
        OUTPUT:
        RETVAL

SV *
rxvt_term::special_encode (SV *str)
        CODE:
        abort ();//TODO

SV *
rxvt_term::special_decode (SV *str)
        CODE:
        abort ();//TODO

void
rxvt_term::_resource (char *name, int index, SV *newval = 0)
        PPCODE:
{
        struct resval { const char *name; int value; } rslist [] = {
#         define Rs_def(name) { # name, Rs_ ## name },
#         define Rs_reserve(name,count)
#         include "rsinc.h"
#         undef Rs_def
#         undef Rs_reserve
        };

        struct resval *rs = rslist + sizeof (rslist) / sizeof (rslist [0]);

        do {
          if (rs-- == rslist)
            croak ("no such resource '%s', requested", name);
        } while (strcmp (name, rs->name));

        index += rs->value;

        if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
          croak ("requested out-of-bound resource %s+%d,", name, index - rs->value);

        if (GIMME_V != G_VOID)
          XPUSHs (THIS->rs [index] ? sv_2mortal (newSVpv (THIS->rs [index], 0)) : &PL_sv_undef);

        if (newval)
          {
            if (SvOK (newval))
              {
                char *str = strdup (SvPVbyte_nolen (newval));
                THIS->rs [index] = str;
                THIS->allocated.push_back (str);
              }
            else
              THIS->rs [index] = 0;
          }
}

void
rxvt_term::selection_mark (...)
        PROTOTYPE: $;$$
        ALIAS:
           selection_beg = 1
           selection_end = 2
        PPCODE:
{
        row_col_t &sel = ix == 1 ? THIS->selection.beg
                       : ix == 2 ? THIS->selection.end
                       :           THIS->selection.mark;

        if (GIMME_V != G_VOID)
          {
            EXTEND (SP, 2);
            PUSHs (sv_2mortal (newSViv (sel.row)));
            PUSHs (sv_2mortal (newSViv (sel.col)));
          }

        if (items == 3)
          {
            sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
            sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);

            if (ix)
              THIS->want_refresh = 1;
          }
}

int
rxvt_term::selection_grab (int eventtime)

void
rxvt_term::selection (SV *newtext = 0)
        PPCODE:
{
        if (GIMME_V != G_VOID)
          {
            char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
            SV *sv = newSVpv (sel, 0);
            SvUTF8_on (sv);
            free (sel);
            XPUSHs (sv_2mortal (sv));
          }

        if (newtext)
          {
            free (THIS->selection.text);

            THIS->selection.text = sv2wcs (newtext);
            THIS->selection.len = wcslen (THIS->selection.text);
          }
}
        
void
rxvt_term::scr_overlay_new (int x, int y, int w, int h)

void
rxvt_term::scr_overlay_off ()

void
rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
        CODE:
        THIS->scr_overlay_set (x, y, text, rend);

void
rxvt_term::scr_overlay_set (int x, int y, SV *text)
        CODE:
{
        wchar_t *wtext = sv2wcs (text);
        THIS->scr_overlay_set (x, y, wtext);
        free (wtext);
}

void
rxvt_term::tt_write (SV *octets)
        INIT:
          STRLEN len;
          char *str = SvPVbyte (octets, len);
        C_ARGS:
          (unsigned char *)str, len

MODULE = urxvt             PACKAGE = urxvt::timer

SV *
timer::new ()
        CODE:
        timer *w =  new timer;
        RETVAL = newSVptr ((void *)w, "urxvt::timer");
        w->self = (HV *)SvRV (RETVAL);
        OUTPUT:
        RETVAL

timer *
timer::cb (SV *cb)
        CODE:
        THIS->cb (cb);
        RETVAL = THIS;
        OUTPUT:
        RETVAL

NV
timer::at ()
        CODE:
        RETVAL = THIS->at;
        OUTPUT:
        RETVAL

timer *
timer::set (NV tstamp)
        CODE:
        THIS->set (tstamp);
        RETVAL = THIS;
        OUTPUT:
        RETVAL

timer *
timer::start (NV tstamp = THIS->at)
        CODE:
        THIS->start (tstamp);
        RETVAL = THIS;
        OUTPUT:
        RETVAL

timer *
timer::stop ()
        CODE:
        THIS->stop ();
        RETVAL = THIS;
        OUTPUT:
        RETVAL

void
timer::DESTROY ()

MODULE = urxvt             PACKAGE = urxvt::iow

SV *
iow::new ()
        CODE:
        iow *w =  new iow;
        RETVAL = newSVptr ((void *)w, "urxvt::iow");
        w->self = (HV *)SvRV (RETVAL);
        OUTPUT:
        RETVAL

iow *
iow::cb (SV *cb)
        CODE:
        THIS->cb (cb);
        RETVAL = THIS;
        OUTPUT:
        RETVAL

iow *
iow::fd (int fd)
        CODE:
        THIS->fd = fd;
        RETVAL = THIS;
        OUTPUT:
        RETVAL

iow *
iow::events (short events)
        CODE:
        THIS->events = events;
        RETVAL = THIS;
        OUTPUT:
        RETVAL

iow *
iow::start ()
        CODE:
        THIS->start ();
        RETVAL = THIS;
        OUTPUT:
        RETVAL

iow *
iow::stop ()
        CODE:
        THIS->stop ();
        RETVAL = THIS;
        OUTPUT:
        RETVAL

void
iow::DESTROY ()


Revision:	1.12
Committed:	Tue Jan 3 02:42:17 2006 UTC (18 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.11:	+24 -4 lines
Log Message:	* empty log message *
#	Content
1	/----------------------------------------------------------------------
2	* File: rxvtperl.xs
3	----------------------------------------------------------------------
4	*
5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2005 Marc Lehmann <pcg@goof.com>
7	*
8	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or
11	* (at your option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	----------------------------------------------------------------------/
22
23	#define line_t perl_line_t
24	#include <EXTERN.h>
25	#include <perl.h>
26	#include <XSUB.h>
27	#undef line_t
28
29	#include "../config.h"
30
31	#include <cstdarg>
32
33	#include "rxvt.h"
34	#include "iom.h"
35	#include "rxvtutil.h"
36	#include "rxvtperl.h"
37
38	#include "perlxsi.c"
39
40	#undef LINENO
41	#define LINENO(n) MOD (THIS->term_start + int(n), THIS->total_rows)
42	#undef ROW
43	#define ROW(n) THIS->row_buf [LINENO (n)]
44
45	/////////////////////////////////////////////////////////////////////////////
46
47	static wchar_t *
48	sv2wcs (SV *sv)
49	{
50	STRLEN len;
51	char *str = SvPVutf8 (sv, len);
52	return rxvt_utf8towcs (str, len);
53	}
54
55	static SV *
56	new_ref (HV hv, const char klass)
57	{
58	return sv_bless (newRV ((SV *)hv), gv_stashpv (klass, 1));
59	}
60
61	//TODO: use magic
62	static SV *
63	newSVptr (void ptr, const char klass)
64	{
65	HV *hv = newHV ();
66	hv_store (hv, "_ptr", 4, newSViv ((long)ptr), 0);
67	return sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
68	}
69
70	static long
71	SvPTR (SV sv, const char klass)
72	{
73	if (!sv_derived_from (sv, klass))
74	croak ("object of type %s expected", klass);
75
76	IV iv = SvIV (hv_fetch ((HV )SvRV (sv), "_ptr", 4, 1));
77
78	if (!iv)
79	croak ("perl code used %s object, but C++ object is already destroyed, caught", klass);
80
81	return (long)iv;
82	}
83
84	#define newSVterm(term) SvREFCNT_inc ((SV *)term->self)
85	#define SvTERM(sv) (rxvt_term *)SvPTR (sv, "urxvt::term")
86
87	/////////////////////////////////////////////////////////////////////////////
88
89	struct perl_watcher
90	{
91	SV *cbsv;
92	HV *self;
93
94	perl_watcher ()
95	: cbsv (newSV (0))
96	{
97	}
98
99	~perl_watcher ()
100	{
101	SvREFCNT_dec (cbsv);
102	}
103
104	void cb (SV *cb)
105	{
106	sv_setsv (cbsv, cb);
107	}
108
109	void invoke (const char type, SV self, int arg = -1);
110	};
111
112	void
113	perl_watcher::invoke (const char type, SV self, int arg)
114	{
115	dSP;
116
117	ENTER;
118	SAVETMPS;
119
120	PUSHMARK (SP);
121
122	XPUSHs (sv_2mortal (self));
123
124	if (arg >= 0)
125	XPUSHs (sv_2mortal (newSViv (arg)));
126
127	PUTBACK;
128	call_sv (cbsv, G_VOID \| G_EVAL \| G_DISCARD);
129	SPAGAIN;
130
131	PUTBACK;
132	FREETMPS;
133	LEAVE;
134
135	if (SvTRUE (ERRSV))
136	rxvt_warn ("%s callback evaluation error: %s", type, SvPV_nolen (ERRSV));
137	}
138
139	#define newSVtimer(timer) new_ref (timer->self, "urxvt::timer")
140	#define SvTIMER(sv) (timer *)SvPTR (sv, "urxvt::timer")
141
142	struct timer : time_watcher, perl_watcher
143	{
144	timer ()
145	: time_watcher (this, &timer::execute)
146	{
147	}
148
149	void execute (time_watcher &w)
150	{
151	invoke ("urxvt::timer", newSVtimer (this));
152	}
153	};
154
155	#define newSViow(iow) new_ref (iow->self, "urxvt::iow")
156	#define SvIOW(sv) (iow *)SvPTR (sv, "urxvt::iow")
157
158	struct iow : io_watcher, perl_watcher
159	{
160	iow ()
161	: io_watcher (this, &iow::execute)
162	{
163	}
164
165	void execute (io_watcher &w, short revents)
166	{
167	invoke ("urxvt::iow", newSViow (this), revents);
168	}
169	};
170
171	/////////////////////////////////////////////////////////////////////////////
172
173	struct rxvt_perl_interp rxvt_perl;
174
175	static PerlInterpreter *perl;
176
177	rxvt_perl_interp::rxvt_perl_interp ()
178	{
179	}
180
181	rxvt_perl_interp::~rxvt_perl_interp ()
182	{
183	if (perl)
184	{
185	perl_destruct (perl);
186	perl_free (perl);
187	}
188	}
189
190	void
191	rxvt_perl_interp::init ()
192	{
193	if (!perl)
194	{
195	char *argv[] = {
196	"",
197	"-edo '" LIBDIR "/urxvt.pm' or ($@ and die $@) or exit 1",
198	};
199
200	perl = perl_alloc ();
201	perl_construct (perl);
202
203	if (perl_parse (perl, xs_init, 2, argv, (char **)NULL)
204	\|\| perl_run (perl))
205	{
206	rxvt_warn ("unable to initialize perl-interpreter, continuing without.\n");
207
208	perl_destruct (perl);
209	perl_free (perl);
210	perl = 0;
211	}
212	}
213	}
214
215	bool
216	rxvt_perl_interp::invoke (rxvt_term *term, hook_type htype, ...)
217	{
218	if (!perl
219	\|\| (!should_invoke [htype] && htype != HOOK_INIT && htype != HOOK_DESTROY))
220	return false;
221
222	if (htype == HOOK_INIT) // first hook ever called
223	term->self = (void )newSVptr ((void )term, "urxvt::term");
224
225	dSP;
226	va_list ap;
227
228	va_start (ap, htype);
229
230	ENTER;
231	SAVETMPS;
232
233	PUSHMARK (SP);
234
235	XPUSHs (sv_2mortal (newSVterm (term)));
236	XPUSHs (sv_2mortal (newSViv (htype)));
237
238	for (;;) {
239	data_type dt = (data_type)va_arg (ap, int);
240
241	switch (dt)
242	{
243	case DT_INT:
244	XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
245	break;
246
247	case DT_LONG:
248	XPUSHs (sv_2mortal (newSViv (va_arg (ap, long))));
249	break;
250
251	case DT_STRING:
252	XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
253	break;
254
255	case DT_END:
256	{
257	va_end (ap);
258
259	PUTBACK;
260	int count = call_pv ("urxvt::invoke", G_ARRAY \| G_EVAL);
261	SPAGAIN;
262
263	if (count)
264	{
265	SV *status = POPs;
266	count = SvTRUE (status);
267	}
268
269	PUTBACK;
270	FREETMPS;
271	LEAVE;
272
273	if (SvTRUE (ERRSV))
274	rxvt_warn ("perl hook %d evaluation error: %s", htype, SvPV_nolen (ERRSV));
275
276	if (htype == HOOK_DESTROY)
277	{
278	// TODO: clear magic
279	hv_clear ((HV )SvRV ((SV )term->self));
280	SvREFCNT_dec ((SV *)term->self);
281	}
282
283	return count;
284	}
285
286	default:
287	rxvt_fatal ("FATAL: unable to pass data type %d\n", dt);
288	}
289	}
290	}
291
292	/////////////////////////////////////////////////////////////////////////////
293
294	MODULE = urxvt PACKAGE = urxvt
295
296	PROTOTYPES: ENABLE
297
298	BOOT:
299	{
300	# define set_hookname(sym) av_store (hookname, PP_CONCAT(HOOK_, sym), newSVpv (PP_STRINGIFY(sym), 0))
301	# define export_const(name) newCONSTSUB (gv_stashpv ("urxvt", 1), #name, newSViv (name));
302	AV *hookname = get_av ("urxvt::HOOKNAME", 1);
303	set_hookname (INIT);
304	set_hookname (RESET);
305	set_hookname (START);
306	set_hookname (DESTROY);
307	set_hookname (SEL_BEGIN);
308	set_hookname (SEL_EXTEND);
309	set_hookname (SEL_MAKE);
310	set_hookname (SEL_GRAB);
311	set_hookname (FOCUS_IN);
312	set_hookname (FOCUS_OUT);
313	set_hookname (VIEW_CHANGE);
314	set_hookname (SCROLL_BACK);
315	set_hookname (TTY_ACTIVITY);
316	set_hookname (REFRESH_BEGIN);
317	set_hookname (REFRESH_END);
318	set_hookname (KEYBOARD_COMMAND);
319
320	export_const (DEFAULT_RSTYLE);
321	export_const (OVERLAY_RSTYLE);
322	export_const (RS_Bold);
323	export_const (RS_Italic);
324	export_const (RS_Blink);
325	export_const (RS_RVid);
326	export_const (RS_Uline);
327
328	sv_setpv (get_sv ("urxvt::LIBDIR", 1), LIBDIR);
329	}
330
331	void
332	set_should_invoke (int htype, int value)
333	CODE:
334	rxvt_perl.should_invoke [htype] = value;
335
336	void
337	warn (const char *msg)
338	CODE:
339	rxvt_warn ("%s", msg);
340
341	void
342	fatal (const char *msg)
343	CODE:
344	rxvt_fatal ("%s", msg);
345
346	NV
347	NOW ()
348	CODE:
349	RETVAL = NOW;
350	OUTPUT:
351	RETVAL
352
353	int
354	GET_BASEFG (int rend)
355	CODE:
356	RETVAL = GET_BASEFG (rend);
357	OUTPUT:
358	RETVAL
359
360	int
361	GET_BASEBG (int rend)
362	CODE:
363	RETVAL = GET_BASEBG (rend);
364	OUTPUT:
365	RETVAL
366
367	int
368	SET_FGCOLOR (int rend, int new_color)
369	CODE:
370	RETVAL = SET_FGCOLOR (rend, new_color);
371	OUTPUT:
372	RETVAL
373
374	int
375	SET_BGCOLOR (int rend, int new_color)
376	CODE:
377	RETVAL = SET_BGCOLOR (rend, new_color);
378	OUTPUT:
379	RETVAL
380
381	int
382	GET_CUSTOM (int rend)
383	CODE:
384	RETVAL = (rend && RS_customMask) >> RS_customShift;
385	OUTPUT:
386	RETVAL
387
388	int
389	SET_CUSTOM (int rend, int new_value)
390	CODE:
391	{
392	if (!IN_RANGE_EXC (new_value, 0, RS_customCount))
393	croak ("custom value out of range, must be 0..%d", RS_customCount - 1);
394
395	RETVAL = (rend & ~RS_customMask)
396	\| ((new_value << RS_customShift) & RS_customMask);
397	}
398	OUTPUT:
399	RETVAL
400
401	MODULE = urxvt PACKAGE = urxvt::term
402
403	int
404	rxvt_term::strwidth (SV *str)
405	CODE:
406	{
407	wchar_t *wstr = sv2wcs (str);
408
409	rxvt_push_locale (THIS->locale);
410	RETVAL = wcswidth (wstr, wcslen (wstr));
411	rxvt_pop_locale ();
412
413	free (wstr);
414	}
415	OUTPUT:
416	RETVAL
417
418	SV *
419	rxvt_term::locale_encode (SV *str)
420	CODE:
421	{
422	wchar_t *wstr = sv2wcs (str);
423
424	rxvt_push_locale (THIS->locale);
425	char *mbstr = rxvt_wcstombs (wstr);
426	rxvt_pop_locale ();
427
428	free (wstr);
429
430	RETVAL = newSVpv (mbstr, 0);
431	free (mbstr);
432	}
433	OUTPUT:
434	RETVAL
435
436	SV *
437	rxvt_term::locale_decode (SV *octets)
438	CODE:
439	{
440	STRLEN len;
441	char *data = SvPVbyte (octets, len);
442
443	rxvt_push_locale (THIS->locale);
444	wchar_t *wstr = rxvt_mbstowcs (data, len);
445	rxvt_pop_locale ();
446
447	char *str = rxvt_wcstoutf8 (wstr);
448	free (wstr);
449
450	RETVAL = newSVpv (str, 0);
451	SvUTF8_on (RETVAL);
452	free (str);
453	}
454	OUTPUT:
455	RETVAL
456
457	int
458	rxvt_term::nsaved ()
459	CODE:
460	RETVAL = THIS->nsaved;
461	OUTPUT:
462	RETVAL
463
464	int
465	rxvt_term::view_start (int newval = -1)
466	CODE:
467	{
468	RETVAL = THIS->view_start;
469
470	if (newval >= 0)
471	{
472	THIS->view_start = min (newval, THIS->nsaved);
473	THIS->scr_changeview (RETVAL);
474	}
475	}
476	OUTPUT:
477	RETVAL
478
479	int
480	rxvt_term::nrow ()
481	CODE:
482	RETVAL = THIS->nrow;
483	OUTPUT:
484	RETVAL
485
486	int
487	rxvt_term::ncol ()
488	CODE:
489	RETVAL = THIS->ncol;
490	OUTPUT:
491	RETVAL
492
493	void
494	rxvt_term::want_refresh ()
495	CODE:
496	THIS->want_refresh = 1;
497
498	void
499	rxvt_term::ROW_t (int row_number, SV *new_text = 0, int start_col = 0)
500	PPCODE:
501	{
502	if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
503	croak ("row_number number of out range");
504
505	line_t &l = ROW(row_number);
506
507	if (GIMME_V != G_VOID)
508	{
509	wchar_t *wstr = new wchar_t [THIS->ncol];
510
511	for (int col = 0; col <THIS->ncol; col++)
512	wstr [col] = l.t [col];
513
514	char *str = rxvt_wcstoutf8 (wstr, THIS->ncol);
515	free (wstr);
516
517	SV *sv = newSVpv (str, 0);
518	SvUTF8_on (sv);
519	XPUSHs (sv_2mortal (sv));
520	free (str);
521	}
522
523	if (new_text)
524	{
525	STRLEN slen;
526	char *str = SvPVutf8 (new_text, slen);
527	wchar_t *wstr = rxvt_utf8towcs (str, slen);
528
529	int len = wcslen (wstr);
530
531	if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
532	{
533	free (wstr);
534	croak ("new_text extends beyond horizontal margins");
535	}
536
537	for (int col = start_col; col < start_col + len; col++)
538	{
539	l.t [col] = wstr [col - start_col];
540	l.r [col] = SET_FONT (l.r [col], THIS->fontset [GET_STYLE (l.r [col])]->find_font (l.t [col]));
541	}
542
543	free (wstr);
544	}
545	}
546
547	void
548	rxvt_term::ROW_r (int row_number, SV *new_rend = 0, int start_col = 0)
549	PPCODE:
550	{
551	if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
552	croak ("row_number number of out range");
553
554	line_t &l = ROW(row_number);
555
556	if (GIMME_V != G_VOID)
557	{
558	AV *av = newAV ();
559
560	av_extend (av, THIS->ncol - 1);
561	for (int col = 0; col < THIS->ncol; col++)
562	av_store (av, col, newSViv (l.r [col]));
563
564	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
565	}
566
567	if (new_rend)
568	{
569	if (!SvROK (new_rend) \|\| SvTYPE (SvRV (new_rend)) != SVt_PVAV)
570	croak ("new_rend must be arrayref");
571
572	AV av = (AV )SvRV (new_rend);
573	int len = av_len (av) + 1;
574
575	if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
576	croak ("new_rend array extends beyond horizontal margins");
577
578	for (int col = start_col; col < start_col + len; col++)
579	{
580	rend_t r = SvIV (*av_fetch (av, col - start_col, 1)) & ~RS_fontMask;
581
582	l.r [col] = SET_FONT (r, THIS->fontset [GET_STYLE (r)]->find_font (l.t [col]));
583	}
584	}
585	}
586
587	int
588	rxvt_term::ROW_l (int row_number, int new_length = -2)
589	CODE:
590	{
591	if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
592	croak ("row_number number of out range");
593
594	line_t &l = ROW(row_number);
595	RETVAL = l.l;
596
597	if (new_length >= -1)
598	l.l = new_length;
599	}
600	OUTPUT:
601	RETVAL
602
603	SV *
604	rxvt_term::special_encode (SV *str)
605	CODE:
606	abort ();//TODO
607
608	SV *
609	rxvt_term::special_decode (SV *str)
610	CODE:
611	abort ();//TODO
612
613	void
614	rxvt_term::_resource (char name, int index, SV newval = 0)
615	PPCODE:
616	{
617	struct resval { const char *name; int value; } rslist [] = {
618	# define Rs_def(name) { # name, Rs_ ## name },
619	# define Rs_reserve(name,count)
620	# include "rsinc.h"
621	# undef Rs_def
622	# undef Rs_reserve
623	};
624
625	struct resval *rs = rslist + sizeof (rslist) / sizeof (rslist [0]);
626
627	do {
628	if (rs-- == rslist)
629	croak ("no such resource '%s', requested", name);
630	} while (strcmp (name, rs->name));
631
632	index += rs->value;
633
634	if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
635	croak ("requested out-of-bound resource %s+%d,", name, index - rs->value);
636
637	if (GIMME_V != G_VOID)
638	XPUSHs (THIS->rs [index] ? sv_2mortal (newSVpv (THIS->rs [index], 0)) : &PL_sv_undef);
639
640	if (newval)
641	{
642	if (SvOK (newval))
643	{
644	char *str = strdup (SvPVbyte_nolen (newval));
645	THIS->rs [index] = str;
646	THIS->allocated.push_back (str);
647	}
648	else
649	THIS->rs [index] = 0;
650	}
651	}
652
653	void
654	rxvt_term::selection_mark (...)
655	PROTOTYPE: $;$$
656	ALIAS:
657	selection_beg = 1
658	selection_end = 2
659	PPCODE:
660	{
661	row_col_t &sel = ix == 1 ? THIS->selection.beg
662	: ix == 2 ? THIS->selection.end
663	: THIS->selection.mark;
664
665	if (GIMME_V != G_VOID)
666	{
667	EXTEND (SP, 2);
668	PUSHs (sv_2mortal (newSViv (sel.row)));
669	PUSHs (sv_2mortal (newSViv (sel.col)));
670	}
671
672	if (items == 3)
673	{
674	sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
675	sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);
676
677	if (ix)
678	THIS->want_refresh = 1;
679	}
680	}
681
682	int
683	rxvt_term::selection_grab (int eventtime)
684
685	void
686	rxvt_term::selection (SV *newtext = 0)
687	PPCODE:
688	{
689	if (GIMME_V != G_VOID)
690	{
691	char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
692	SV *sv = newSVpv (sel, 0);
693	SvUTF8_on (sv);
694	free (sel);
695	XPUSHs (sv_2mortal (sv));
696	}
697
698	if (newtext)
699	{
700	free (THIS->selection.text);
701
702	THIS->selection.text = sv2wcs (newtext);
703	THIS->selection.len = wcslen (THIS->selection.text);
704	}
705	}
706
707	void
708	rxvt_term::scr_overlay_new (int x, int y, int w, int h)
709
710	void
711	rxvt_term::scr_overlay_off ()
712
713	void
714	rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
715	CODE:
716	THIS->scr_overlay_set (x, y, text, rend);
717
718	void
719	rxvt_term::scr_overlay_set (int x, int y, SV *text)
720	CODE:
721	{
722	wchar_t *wtext = sv2wcs (text);
723	THIS->scr_overlay_set (x, y, wtext);
724	free (wtext);
725	}
726
727	void
728	rxvt_term::tt_write (SV *octets)
729	INIT:
730	STRLEN len;
731	char *str = SvPVbyte (octets, len);
732	C_ARGS:
733	(unsigned char *)str, len
734
735	MODULE = urxvt PACKAGE = urxvt::timer
736
737	SV *
738	timer::new ()
739	CODE:
740	timer *w = new timer;
741	RETVAL = newSVptr ((void *)w, "urxvt::timer");
742	w->self = (HV *)SvRV (RETVAL);
743	OUTPUT:
744	RETVAL
745
746	timer *
747	timer::cb (SV *cb)
748	CODE:
749	THIS->cb (cb);
750	RETVAL = THIS;
751	OUTPUT:
752	RETVAL
753
754	NV
755	timer::at ()
756	CODE:
757	RETVAL = THIS->at;
758	OUTPUT:
759	RETVAL
760
761	timer *
762	timer::set (NV tstamp)
763	CODE:
764	THIS->set (tstamp);
765	RETVAL = THIS;
766	OUTPUT:
767	RETVAL
768
769	timer *
770	timer::start (NV tstamp = THIS->at)
771	CODE:
772	THIS->start (tstamp);
773	RETVAL = THIS;
774	OUTPUT:
775	RETVAL
776
777	timer *
778	timer::stop ()
779	CODE:
780	THIS->stop ();
781	RETVAL = THIS;
782	OUTPUT:
783	RETVAL
784
785	void
786	timer::DESTROY ()
787
788	MODULE = urxvt PACKAGE = urxvt::iow
789
790	SV *
791	iow::new ()
792	CODE:
793	iow *w = new iow;
794	RETVAL = newSVptr ((void *)w, "urxvt::iow");
795	w->self = (HV *)SvRV (RETVAL);
796	OUTPUT:
797	RETVAL
798
799	iow *
800	iow::cb (SV *cb)
801	CODE:
802	THIS->cb (cb);
803	RETVAL = THIS;
804	OUTPUT:
805	RETVAL
806
807	iow *
808	iow::fd (int fd)
809	CODE:
810	THIS->fd = fd;
811	RETVAL = THIS;
812	OUTPUT:
813	RETVAL
814
815	iow *
816	iow::events (short events)
817	CODE:
818	THIS->events = events;
819	RETVAL = THIS;
820	OUTPUT:
821	RETVAL
822
823	iow *
824	iow::start ()
825	CODE:
826	THIS->start ();
827	RETVAL = THIS;
828	OUTPUT:
829	RETVAL
830
831	iow *
832	iow::stop ()
833	CODE:
834	THIS->stop ();
835	RETVAL = THIS;
836	OUTPUT:
837	RETVAL
838
839	void
840	iow::DESTROY ()
841
842