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);

  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::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 (start_col + len > THIS->ncol)
              {
                free (wstr);
                croak ("new_text extends beyond right margin");
              }

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

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 (start_col + len > THIS->ncol)
              croak ("new_rend array extends beyond right margin");

            for (int col = start_col; col < start_col + len; col++)
              {
                rend_t r = SvIV (*av_fetch (av, 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:	1.8
Committed:	Tue Jan 3 00:06:57 2006 UTC (18 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.7:	+132 -0 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			sv_setpv (get_sv ("urxvt::LIBDIR", 1), LIBDIR);
320			}
321
322			void
323			set_should_invoke (int htype, int value)
324			CODE:
325			rxvt_perl.should_invoke [htype] = value;
326
327			void
328			warn (const char *msg)
329			CODE:
330			rxvt_warn ("%s", msg);
331
332			void
333			fatal (const char *msg)
334			CODE:
335			rxvt_fatal ("%s", msg);
336
337	root	1.3	NV
338			NOW ()
339			CODE:
340			RETVAL = NOW;
341			OUTPUT:
342			RETVAL
343
344			MODULE = urxvt PACKAGE = urxvt::term
345
346	root	1.1	int
347	root	1.3	rxvt_term::strwidth (SV *str)
348	root	1.1	CODE:
349			{
350			wchar_t *wstr = sv2wcs (str);
351	root	1.3
352			rxvt_push_locale (THIS->locale);
353	root	1.1	RETVAL = wcswidth (wstr, wcslen (wstr));
354	root	1.3	rxvt_pop_locale ();
355
356	root	1.1	free (wstr);
357			}
358			OUTPUT:
359			RETVAL
360
361	root	1.3	SV *
362			rxvt_term::locale_encode (SV *str)
363	root	1.1	CODE:
364	root	1.3	{
365			wchar_t *wstr = sv2wcs (str);
366
367			rxvt_push_locale (THIS->locale);
368			char *mbstr = rxvt_wcstombs (wstr);
369			rxvt_pop_locale ();
370
371			free (wstr);
372
373			RETVAL = newSVpv (mbstr, 0);
374			free (mbstr);
375			}
376			OUTPUT:
377	root	1.1	RETVAL
378
379	root	1.3	SV *
380			rxvt_term::locale_decode (SV *octets)
381			CODE:
382			{
383			STRLEN len;
384			char *data = SvPVbyte (octets, len);
385
386			rxvt_push_locale (THIS->locale);
387			wchar_t *wstr = rxvt_mbstowcs (data, len);
388			rxvt_pop_locale ();
389
390			char *str = rxvt_wcstoutf8 (wstr);
391			free (wstr);
392
393			RETVAL = newSVpv (str, 0);
394			SvUTF8_on (RETVAL);
395			free (str);
396			}
397			OUTPUT:
398			RETVAL
399	root	1.1
400	root	1.7	int
401			rxvt_term::nsaved ()
402			CODE:
403			RETVAL = THIS->nsaved;
404			OUTPUT:
405			RETVAL
406
407			int
408			rxvt_term::view_start (int newval = -1)
409			CODE:
410			{
411			RETVAL = THIS->view_start;
412
413			if (newval >= 0)
414			{
415			THIS->view_start = min (newval, THIS->nsaved);
416			THIS->scr_changeview (RETVAL);
417			}
418			}
419			OUTPUT:
420			RETVAL
421
422	root	1.8	int
423			rxvt_term::nrow ()
424			CODE:
425			RETVAL = THIS->nrow;
426			OUTPUT:
427			RETVAL
428
429			int
430			rxvt_term::ncol ()
431			CODE:
432			RETVAL = THIS->ncol;
433			OUTPUT:
434			RETVAL
435
436			void
437			rxvt_term::ROW_t (int row_number, SV *new_text = 0, int start_col = 0)
438			PPCODE:
439			{
440			if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
441			croak ("row_number number of out range");
442
443			line_t &l = ROW(row_number);
444
445			if (GIMME_V != G_VOID)
446			{
447			wchar_t *wstr = new wchar_t [THIS->ncol];
448
449			for (int col = 0; col <THIS->ncol; col++)
450			wstr [col] = l.t [col];
451
452			char *str = rxvt_wcstoutf8 (wstr, THIS->ncol);
453			free (wstr);
454
455			SV *sv = newSVpv (str, 0);
456			SvUTF8_on (sv);
457			XPUSHs (sv_2mortal (sv));
458			free (str);
459			}
460
461			if (new_text)
462			{
463			STRLEN slen;
464			char *str = SvPVutf8 (new_text, slen);
465			wchar_t *wstr = rxvt_utf8towcs (str, slen);
466
467			int len = wcslen (wstr);
468
469			if (start_col + len > THIS->ncol)
470			{
471			free (wstr);
472			croak ("new_text extends beyond right margin");
473			}
474
475			for (int col = start_col; col < start_col + len; col++)
476			{
477			l.t [col] = wstr [col];
478			l.r [col] = SET_FONT (l.r [col], THIS->fontset [GET_STYLE (l.r [col])]->find_font (l.t [col]));
479			}
480			}
481			}
482
483			void
484			rxvt_term::ROW_r (int row_number, SV *new_rend = 0, int start_col = 0)
485			PPCODE:
486			{
487			if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
488			croak ("row_number number of out range");
489
490			line_t &l = ROW(row_number);
491
492			if (GIMME_V != G_VOID)
493			{
494			AV *av = newAV ();
495
496			av_extend (av, THIS->ncol - 1);
497			for (int col = 0; col < THIS->ncol; col++)
498			av_store (av, col, newSViv (l.r [col]));
499
500			XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
501			}
502
503			if (new_rend)
504			{
505			if (!SvROK (new_rend) \|\| SvTYPE (SvRV (new_rend)) != SVt_PVAV)
506			croak ("new_rend must be arrayref");
507
508			AV av = (AV )SvRV (new_rend);
509			int len = av_len (av) + 1;
510
511			if (start_col + len > THIS->ncol)
512			croak ("new_rend array extends beyond right margin");
513
514			for (int col = start_col; col < start_col + len; col++)
515			{
516			rend_t r = SvIV (*av_fetch (av, col, 1)) & ~RS_fontMask;
517
518			l.r [col] = SET_FONT (r, THIS->fontset [GET_STYLE (r)]->find_font (l.t [col]));
519			}
520			}
521			}
522
523			int
524			rxvt_term::ROW_l (int row_number, int new_length = -2)
525			CODE:
526			{
527			if (!IN_RANGE_EXC (row_number, -THIS->nsaved, THIS->nrow))
528			croak ("row_number number of out range");
529
530			line_t &l = ROW(row_number);
531			RETVAL = l.l;
532
533			if (new_length >= -1)
534			l.l = new_length;
535			}
536			OUTPUT:
537			RETVAL
538
539			SV *
540			rxvt_term::special_encode (SV *str)
541			CODE:
542			abort ();//TODO
543
544			SV *
545			rxvt_term::special_decode (SV *str)
546			CODE:
547			abort ();//TODO
548
549	root	1.1	void
550	root	1.2	rxvt_term::_resource (char name, int index, SV newval = 0)
551			PPCODE:
552			{
553			struct resval { const char *name; int value; } rslist [] = {
554			# define Rs_def(name) { # name, Rs_ ## name },
555			# define Rs_reserve(name,count)
556			# include "rsinc.h"
557			# undef Rs_def
558			# undef Rs_reserve
559			};
560
561			struct resval *rs = rslist + sizeof (rslist) / sizeof (rslist [0]);
562
563			do {
564			if (rs-- == rslist)
565			croak ("no such resource '%s', requested", name);
566			} while (strcmp (name, rs->name));
567
568			index += rs->value;
569
570			if (!IN_RANGE_EXC (index, 0, NUM_RESOURCES))
571			croak ("requested out-of-bound resource %s+%d,", name, index - rs->value);
572
573			if (GIMME_V != G_VOID)
574			XPUSHs (THIS->rs [index] ? sv_2mortal (newSVpv (THIS->rs [index], 0)) : &PL_sv_undef);
575
576			if (newval)
577			{
578			if (SvOK (newval))
579			{
580			char *str = strdup (SvPVbyte_nolen (newval));
581			THIS->rs [index] = str;
582			THIS->allocated.push_back (str);
583			}
584			else
585			THIS->rs [index] = 0;
586			}
587			}
588
589			void
590	root	1.1	rxvt_term::selection_mark (...)
591			PROTOTYPE: $;$$
592			ALIAS:
593			selection_beg = 1
594			selection_end = 2
595			PPCODE:
596			{
597			row_col_t &sel = ix == 1 ? THIS->selection.beg
598			: ix == 2 ? THIS->selection.end
599			: THIS->selection.mark;
600
601			if (GIMME_V != G_VOID)
602			{
603			EXTEND (SP, 2);
604			PUSHs (sv_2mortal (newSViv (sel.row)));
605			PUSHs (sv_2mortal (newSViv (sel.col)));
606			}
607
608			if (items == 3)
609			{
610			sel.row = clamp (SvIV (ST (1)), -THIS->nsaved, THIS->nrow - 1);
611			sel.col = clamp (SvIV (ST (2)), 0, THIS->ncol - 1);
612
613			if (ix)
614			THIS->want_refresh = 1;
615			}
616			}
617
618			int
619			rxvt_term::selection_grab (int eventtime)
620
621			void
622			rxvt_term::selection (SV *newtext = 0)
623			PPCODE:
624			{
625			if (GIMME_V != G_VOID)
626			{
627			char *sel = rxvt_wcstoutf8 (THIS->selection.text, THIS->selection.len);
628			SV *sv = newSVpv (sel, 0);
629			SvUTF8_on (sv);
630			free (sel);
631			XPUSHs (sv_2mortal (sv));
632			}
633
634			if (newtext)
635			{
636			free (THIS->selection.text);
637
638			THIS->selection.text = sv2wcs (newtext);
639			THIS->selection.len = wcslen (THIS->selection.text);
640			}
641			}
642
643			void
644			rxvt_term::scr_overlay_new (int x, int y, int w, int h)
645
646			void
647			rxvt_term::scr_overlay_off ()
648
649			void
650			rxvt_term::scr_overlay_set_char (int x, int y, U32 text, U32 rend = OVERLAY_RSTYLE)
651			CODE:
652			THIS->scr_overlay_set (x, y, text, rend);
653
654			void
655			rxvt_term::scr_overlay_set (int x, int y, SV *text)
656			CODE:
657			{
658			wchar_t *wtext = sv2wcs (text);
659			THIS->scr_overlay_set (x, y, wtext);
660			free (wtext);
661			}
662
663	root	1.3	void
664			rxvt_term::tt_write (SV *octets)
665			INIT:
666			STRLEN len;
667			char *str = SvPVbyte (octets, len);
668			C_ARGS:
669			(unsigned char *)str, len
670
671	root	1.1	MODULE = urxvt PACKAGE = urxvt::timer
672
673			SV *
674			timer::new ()
675			CODE:
676			timer *w = new timer;
677			RETVAL = newSVptr ((void *)w, "urxvt::timer");
678			w->self = (HV *)SvRV (RETVAL);
679			OUTPUT:
680			RETVAL
681
682			timer *
683			timer::cb (SV *cb)
684			CODE:
685			THIS->cb (cb);
686			RETVAL = THIS;
687			OUTPUT:
688			RETVAL
689
690			NV
691			timer::at ()
692			CODE:
693			RETVAL = THIS->at;
694			OUTPUT:
695			RETVAL
696
697			timer *
698			timer::set (NV tstamp)
699			CODE:
700			THIS->set (tstamp);
701			RETVAL = THIS;
702			OUTPUT:
703			RETVAL
704
705			timer *
706			timer::start (NV tstamp = THIS->at)
707			CODE:
708			THIS->start (tstamp);
709			RETVAL = THIS;
710			OUTPUT:
711			RETVAL
712
713			timer *
714			timer::stop ()
715			CODE:
716			THIS->stop ();
717			RETVAL = THIS;
718			OUTPUT:
719			RETVAL
720
721			void
722			timer::DESTROY ()
723
724			MODULE = urxvt PACKAGE = urxvt::iow
725
726			SV *
727			iow::new ()
728			CODE:
729			iow *w = new iow;
730			RETVAL = newSVptr ((void *)w, "urxvt::iow");
731			w->self = (HV *)SvRV (RETVAL);
732			OUTPUT:
733			RETVAL
734
735			iow *
736			iow::cb (SV *cb)
737			CODE:
738			THIS->cb (cb);
739			RETVAL = THIS;
740			OUTPUT:
741			RETVAL
742
743			iow *
744			iow::fd (int fd)
745			CODE:
746			THIS->fd = fd;
747			RETVAL = THIS;
748			OUTPUT:
749			RETVAL
750
751			iow *
752			iow::events (short events)
753			CODE:
754			THIS->events = events;
755			RETVAL = THIS;
756			OUTPUT:
757			RETVAL
758
759			iow *
760			iow::start ()
761			CODE:
762			THIS->start ();
763			RETVAL = THIS;
764			OUTPUT:
765			RETVAL
766
767			iow *
768			iow::stop ()
769			CODE:
770			THIS->stop ();
771			RETVAL = THIS;
772			OUTPUT:
773			RETVAL
774
775			void
776			iow::DESTROY ()
777
778