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))
  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);

  newCONSTSUB (gv_stashpv ("urxvt", 1), "DEFAULT_RSTYLE", newSViv (DEFAULT_RSTYLE));

  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

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:	1.10
Committed:	Tue Jan 3 01:29:55 2006 UTC (18 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.9:	+4 -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			AV *hookname = get_av ("urxvt::HOOKNAME", 1);
302			set_hookname (INIT);
303			set_hookname (RESET);
304			set_hookname (START);
305			set_hookname (DESTROY);
306			set_hookname (SEL_BEGIN);
307			set_hookname (SEL_EXTEND);
308			set_hookname (SEL_MAKE);
309			set_hookname (SEL_GRAB);
310			set_hookname (FOCUS_IN);
311			set_hookname (FOCUS_OUT);
312			set_hookname (VIEW_CHANGE);
313			set_hookname (SCROLL_BACK);
314			set_hookname (TTY_ACTIVITY);
315			set_hookname (REFRESH_BEGIN);
316			set_hookname (REFRESH_END);
317	root	1.6	set_hookname (KEYBOARD_COMMAND);
318	root	1.1
319	root	1.9	newCONSTSUB (gv_stashpv ("urxvt", 1), "DEFAULT_RSTYLE", newSViv (DEFAULT_RSTYLE));
320
321	root	1.1	sv_setpv (get_sv ("urxvt::LIBDIR", 1), LIBDIR);
322			}
323
324			void
325			set_should_invoke (int htype, int value)
326			CODE:
327			rxvt_perl.should_invoke [htype] = value;
328
329			void
330			warn (const char *msg)
331			CODE:
332			rxvt_warn ("%s", msg);
333
334			void
335			fatal (const char *msg)
336			CODE:
337			rxvt_fatal ("%s", msg);
338
339	root	1.3	NV
340			NOW ()
341			CODE:
342			RETVAL = NOW;
343			OUTPUT:
344			RETVAL
345
346			MODULE = urxvt PACKAGE = urxvt::term
347
348	root	1.1	int
349	root	1.3	rxvt_term::strwidth (SV *str)
350	root	1.1	CODE:
351			{
352			wchar_t *wstr = sv2wcs (str);
353	root	1.3
354			rxvt_push_locale (THIS->locale);
355	root	1.1	RETVAL = wcswidth (wstr, wcslen (wstr));
356	root	1.3	rxvt_pop_locale ();
357
358	root	1.1	free (wstr);
359			}
360			OUTPUT:
361			RETVAL
362
363	root	1.3	SV *
364			rxvt_term::locale_encode (SV *str)
365	root	1.1	CODE:
366	root	1.3	{
367			wchar_t *wstr = sv2wcs (str);
368
369			rxvt_push_locale (THIS->locale);
370			char *mbstr = rxvt_wcstombs (wstr);
371			rxvt_pop_locale ();
372
373			free (wstr);
374
375			RETVAL = newSVpv (mbstr, 0);
376			free (mbstr);
377			}
378			OUTPUT:
379	root	1.1	RETVAL
380
381	root	1.3	SV *
382			rxvt_term::locale_decode (SV *octets)
383			CODE:
384			{
385			STRLEN len;
386			char *data = SvPVbyte (octets, len);
387
388			rxvt_push_locale (THIS->locale);
389			wchar_t *wstr = rxvt_mbstowcs (data, len);
390			rxvt_pop_locale ();
391
392			char *str = rxvt_wcstoutf8 (wstr);
393			free (wstr);
394
395			RETVAL = newSVpv (str, 0);
396			SvUTF8_on (RETVAL);
397			free (str);
398			}
399			OUTPUT:
400			RETVAL
401	root	1.1
402	root	1.7	int
403			rxvt_term::nsaved ()
404			CODE:
405			RETVAL = THIS->nsaved;
406			OUTPUT:
407			RETVAL
408
409			int
410			rxvt_term::view_start (int newval = -1)
411			CODE:
412			{
413			RETVAL = THIS->view_start;
414
415			if (newval >= 0)
416			{
417			THIS->view_start = min (newval, THIS->nsaved);
418			THIS->scr_changeview (RETVAL);
419			}
420			}
421			OUTPUT:
422			RETVAL
423
424	root	1.8	int
425			rxvt_term::nrow ()
426			CODE:
427			RETVAL = THIS->nrow;
428			OUTPUT:
429			RETVAL
430
431			int
432			rxvt_term::ncol ()
433			CODE:
434			RETVAL = THIS->ncol;
435			OUTPUT:
436			RETVAL
437
438			void
439	root	1.9	rxvt_term::want_refresh ()
440			CODE:
441			THIS->want_refresh = 1;
442
443			void
444	root	1.8	rxvt_term::ROW_t (int row_number, SV *new_text = 0, int start_col = 0)
445			PPCODE:
446			{
447			if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
448			croak ("row_number number of out range");
449
450			line_t &l = ROW(row_number);
451
452			if (GIMME_V != G_VOID)
453			{
454			wchar_t *wstr = new wchar_t [THIS->ncol];
455
456			for (int col = 0; col <THIS->ncol; col++)
457			wstr [col] = l.t [col];
458
459			char *str = rxvt_wcstoutf8 (wstr, THIS->ncol);
460			free (wstr);
461
462			SV *sv = newSVpv (str, 0);
463			SvUTF8_on (sv);
464			XPUSHs (sv_2mortal (sv));
465			free (str);
466			}
467
468			if (new_text)
469			{
470			STRLEN slen;
471			char *str = SvPVutf8 (new_text, slen);
472			wchar_t *wstr = rxvt_utf8towcs (str, slen);
473
474			int len = wcslen (wstr);
475
476	root	1.10	if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
477	root	1.8	{
478			free (wstr);
479	root	1.10	croak ("new_text extends beyond horizontal margins");
480	root	1.8	}
481
482			for (int col = start_col; col < start_col + len; col++)
483			{
484	root	1.9	l.t [col] = wstr [col - start_col];
485	root	1.8	l.r [col] = SET_FONT (l.r [col], THIS->fontset [GET_STYLE (l.r [col])]->find_font (l.t [col]));
486			}
487	root	1.9
488			free (wstr);
489	root	1.8	}
490			}
491
492			void
493			rxvt_term::ROW_r (int row_number, SV *new_rend = 0, int start_col = 0)
494			PPCODE:
495			{
496			if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
497			croak ("row_number number of out range");
498
499			line_t &l = ROW(row_number);
500
501			if (GIMME_V != G_VOID)
502			{
503			AV *av = newAV ();
504
505			av_extend (av, THIS->ncol - 1);
506			for (int col = 0; col < THIS->ncol; col++)
507			av_store (av, col, newSViv (l.r [col]));
508
509			XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
510			}
511
512			if (new_rend)
513			{
514			if (!SvROK (new_rend) \|\| SvTYPE (SvRV (new_rend)) != SVt_PVAV)
515			croak ("new_rend must be arrayref");
516
517			AV av = (AV )SvRV (new_rend);
518			int len = av_len (av) + 1;
519
520	root	1.10	if (!IN_RANGE_INC (start_col, 0, THIS->ncol - len))
521			croak ("new_rend array extends beyond horizontal margins");
522	root	1.8
523			for (int col = start_col; col < start_col + len; col++)
524			{
525	root	1.9	rend_t r = SvIV (*av_fetch (av, col - start_col, 1)) & ~RS_fontMask;
526	root	1.8
527			l.r [col] = SET_FONT (r, THIS->fontset [GET_STYLE (r)]->find_font (l.t [col]));
528			}
529			}
530			}
531
532			int
533			rxvt_term::ROW_l (int row_number, int new_length = -2)
534			CODE:
535			{
536			if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
537			croak ("row_number number of out range");
538
539			line_t &l = ROW(row_number);
540			RETVAL = l.l;
541
542			if (new_length >= -1)
543			l.l = new_length;
544			}
545			OUTPUT:
546			RETVAL
547
548			SV *
549			rxvt_term::special_encode (SV *str)
550			CODE:
551			abort ();//TODO
552
553			SV *
554			rxvt_term::special_decode (SV *str)
555			CODE:
556			abort ();//TODO
557
558	root	1.1	void
559	root	1.2	rxvt_term::_resource (char name, int index, SV newval = 0)
560			PPCODE:
561			{
562			struct resval { const char *name; int value; } rslist [] = {
563			# define Rs_def(name) { # name, Rs_ ## name },
564			# define Rs_reserve(name,count)
565			# include "rsinc.h"
566			# undef Rs_def
567			# undef Rs_reserve
568			};
569
570			struct resval *rs = rslist + sizeof (rslist) / sizeof (rslist [0]);
571
572			do {
573			if (rs-- == rslist)
574			croak ("no such resource '%s', requested", name);
575			} while (strcmp (name, rs->name));
576
577			index += rs->value;
578
579			if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
580			croak ("requested out-of-bound resource %s+%d,", name, index - rs->value);
581
582			if (GIMME_V != G_VOID)
583			XPUSHs (THIS->rs [index] ? sv_2mortal (newSVpv (THIS->rs [index], 0)) : &PL_sv_undef);
584
585			if (newval)
586			{
587			if (SvOK (newval))
588			{
589			char *str = strdup (SvPVbyte_nolen (newval));
590			THIS->rs [index] = str;
591			THIS->allocated.push_back (str);
592			}
593			else
594			THIS->rs [index] = 0;
595			}
596			}
597
598			void
599	root	1.1	rxvt_term::selection_mark (...)
600			PROTOTYPE: $;$$
601			ALIAS:
602			selection_beg = 1
603			selection_end = 2
604			PPCODE:
605			{
606			row_col_t &sel = ix == 1 ? THIS->selection.beg
607			: ix == 2 ? THIS->selection.end
608			: THIS->selection.mark;
609
610			if (GIMME_V != G_VOID)
611			{
612			EXTEND (SP, 2);
613			PUSHs (sv_2mortal (newSViv (sel.row)));
614			PUSHs (sv_2mortal (newSViv (sel.col)));
615			}
616
617			if (items == 3)
618			{
619			sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
620			sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);
621
622			if (ix)
623			THIS->want_refresh = 1;
624			}
625			}
626
627			int
628			rxvt_term::selection_grab (int eventtime)
629
630			void
631			rxvt_term::selection (SV *newtext = 0)
632			PPCODE:
633			{
634			if (GIMME_V != G_VOID)
635			{
636			char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
637			SV *sv = newSVpv (sel, 0);
638			SvUTF8_on (sv);
639			free (sel);
640			XPUSHs (sv_2mortal (sv));
641			}
642
643			if (newtext)
644			{
645			free (THIS->selection.text);
646
647			THIS->selection.text = sv2wcs (newtext);
648			THIS->selection.len = wcslen (THIS->selection.text);
649			}
650			}
651
652			void
653			rxvt_term::scr_overlay_new (int x, int y, int w, int h)
654
655			void
656			rxvt_term::scr_overlay_off ()
657
658			void
659			rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
660			CODE:
661			THIS->scr_overlay_set (x, y, text, rend);
662
663			void
664			rxvt_term::scr_overlay_set (int x, int y, SV *text)
665			CODE:
666			{
667			wchar_t *wtext = sv2wcs (text);
668			THIS->scr_overlay_set (x, y, wtext);
669			free (wtext);
670			}
671
672	root	1.3	void
673			rxvt_term::tt_write (SV *octets)
674			INIT:
675			STRLEN len;
676			char *str = SvPVbyte (octets, len);
677			C_ARGS:
678			(unsigned char *)str, len
679
680	root	1.1	MODULE = urxvt PACKAGE = urxvt::timer
681
682			SV *
683			timer::new ()
684			CODE:
685			timer *w = new timer;
686			RETVAL = newSVptr ((void *)w, "urxvt::timer");
687			w->self = (HV *)SvRV (RETVAL);
688			OUTPUT:
689			RETVAL
690
691			timer *
692			timer::cb (SV *cb)
693			CODE:
694			THIS->cb (cb);
695			RETVAL = THIS;
696			OUTPUT:
697			RETVAL
698
699			NV
700			timer::at ()
701			CODE:
702			RETVAL = THIS->at;
703			OUTPUT:
704			RETVAL
705
706			timer *
707			timer::set (NV tstamp)
708			CODE:
709			THIS->set (tstamp);
710			RETVAL = THIS;
711			OUTPUT:
712			RETVAL
713
714			timer *
715			timer::start (NV tstamp = THIS->at)
716			CODE:
717			THIS->start (tstamp);
718			RETVAL = THIS;
719			OUTPUT:
720			RETVAL
721
722			timer *
723			timer::stop ()
724			CODE:
725			THIS->stop ();
726			RETVAL = THIS;
727			OUTPUT:
728			RETVAL
729
730			void
731			timer::DESTROY ()
732
733			MODULE = urxvt PACKAGE = urxvt::iow
734
735			SV *
736			iow::new ()
737			CODE:
738			iow *w = new iow;
739			RETVAL = newSVptr ((void *)w, "urxvt::iow");
740			w->self = (HV *)SvRV (RETVAL);
741			OUTPUT:
742			RETVAL
743
744			iow *
745			iow::cb (SV *cb)
746			CODE:
747			THIS->cb (cb);
748			RETVAL = THIS;
749			OUTPUT:
750			RETVAL
751
752			iow *
753			iow::fd (int fd)
754			CODE:
755			THIS->fd = fd;
756			RETVAL = THIS;
757			OUTPUT:
758			RETVAL
759
760			iow *
761			iow::events (short events)
762			CODE:
763			THIS->events = events;
764			RETVAL = THIS;
765			OUTPUT:
766			RETVAL
767
768			iow *
769			iow::start ()
770			CODE:
771			THIS->start ();
772			RETVAL = THIS;
773			OUTPUT:
774			RETVAL
775
776			iow *
777			iow::stop ()
778			CODE:
779			THIS->stop ();
780			RETVAL = THIS;
781			OUTPUT:
782			RETVAL
783
784			void
785			iow::DESTROY ()
786
787