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 *
#	User	Rev	Content
1	root	1.1	/----------------------------------------------------------------------
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	root	1.8	#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	root	1.1	/////////////////////////////////////////////////////////////////////////////
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	root	1.5	if (!perl
219			\|\| (!should_invoke [htype] && htype != HOOK_INIT && htype != HOOK_DESTROY))
220	root	1.1	return false;
221	root	1.4
222	root	1.1	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	root	1.6	case DT_STRING:
252			XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
253			break;
254
255	root	1.1	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	root	1.4	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	root	1.1	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	root	1.11	# define export_const(name) newCONSTSUB (gv_stashpv ("urxvt", 1), #name, newSViv (name));
302	root	1.1	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	root	1.6	set_hookname (KEYBOARD_COMMAND);
319	root	1.1
320	root	1.11	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	root	1.9
328	root	1.1	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	root	1.3	NV
347			NOW ()
348			CODE:
349			RETVAL = NOW;
350			OUTPUT:
351			RETVAL
352
353	root	1.11	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	root	1.12	SET_FGCOLOR (int rend, int new_color)
369	root	1.11	CODE:
370	root	1.12	RETVAL = SET_FGCOLOR (rend, new_color);
371	root	1.11	OUTPUT:
372			RETVAL
373
374			int
375	root	1.12	SET_BGCOLOR (int rend, int new_color)
376	root	1.11	CODE:
377	root	1.12	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	root	1.11	OUTPUT:
399			RETVAL
400
401	root	1.3	MODULE = urxvt PACKAGE = urxvt::term
402
403	root	1.1	int
404	root	1.3	rxvt_term::strwidth (SV *str)
405	root	1.1	CODE:
406			{
407			wchar_t *wstr = sv2wcs (str);
408	root	1.3
409			rxvt_push_locale (THIS->locale);
410	root	1.1	RETVAL = wcswidth (wstr, wcslen (wstr));
411	root	1.3	rxvt_pop_locale ();
412
413	root	1.1	free (wstr);
414			}
415			OUTPUT:
416			RETVAL
417
418	root	1.3	SV *
419			rxvt_term::locale_encode (SV *str)
420	root	1.1	CODE:
421	root	1.3	{
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	root	1.1	RETVAL
435
436	root	1.3	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	root	1.1
457	root	1.7	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	root	1.8	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	root	1.9	rxvt_term::want_refresh ()
495			CODE:
496			THIS->want_refresh = 1;
497
498			void
499	root	1.8	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	root	1.10	if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
532	root	1.8	{
533			free (wstr);
534	root	1.10	croak ("new_text extends beyond horizontal margins");
535	root	1.8	}
536
537			for (int col = start_col; col < start_col + len; col++)
538			{
539	root	1.9	l.t [col] = wstr [col - start_col];
540	root	1.8	l.r [col] = SET_FONT (l.r [col], THIS->fontset [GET_STYLE (l.r [col])]->find_font (l.t [col]));
541			}
542	root	1.9
543			free (wstr);
544	root	1.8	}
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	root	1.10	if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
576			croak ("new_rend array extends beyond horizontal margins");
577	root	1.8
578			for (int col = start_col; col < start_col + len; col++)
579			{
580	root	1.9	rend_t r = SvIV (*av_fetch (av, col - start_col, 1)) & ~RS_fontMask;
581	root	1.8
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	root	1.1	void
614	root	1.2	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	root	1.1	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	root	1.3	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	root	1.1	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