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 (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 - 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 (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 - 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:	1.9
Committed:	Tue Jan 3 01:15:00 2006 UTC (18 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.8:	+11 -2 lines
Log Message:	* empty log message *
#	Content
1	/----------------------------------------------------------------------
2	* File: rxvtperl.xs
3	----------------------------------------------------------------------
4	*
5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2005 Marc Lehmann <pcg@goof.com>
7	*
8	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or
11	* (at your option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	----------------------------------------------------------------------/
22
23	#define line_t perl_line_t
24	#include <EXTERN.h>
25	#include <perl.h>
26	#include <XSUB.h>
27	#undef line_t
28
29	#include "../config.h"
30
31	#include <cstdarg>
32
33	#include "rxvt.h"
34	#include "iom.h"
35	#include "rxvtutil.h"
36	#include "rxvtperl.h"
37
38	#include "perlxsi.c"
39
40	#undef LINENO
41	#define LINENO(n) MOD (THIS->term_start + int(n), THIS->total_rows)
42	#undef ROW
43	#define ROW(n) THIS->row_buf [LINENO (n)]
44
45	/////////////////////////////////////////////////////////////////////////////
46
47	static wchar_t *
48	sv2wcs (SV *sv)
49	{
50	STRLEN len;
51	char *str = SvPVutf8 (sv, len);
52	return rxvt_utf8towcs (str, len);
53	}
54
55	static SV *
56	new_ref (HV hv, const char klass)
57	{
58	return sv_bless (newRV ((SV *)hv), gv_stashpv (klass, 1));
59	}
60
61	//TODO: use magic
62	static SV *
63	newSVptr (void ptr, const char klass)
64	{
65	HV *hv = newHV ();
66	hv_store (hv, "_ptr", 4, newSViv ((long)ptr), 0);
67	return sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
68	}
69
70	static long
71	SvPTR (SV sv, const char klass)
72	{
73	if (!sv_derived_from (sv, klass))
74	croak ("object of type %s expected", klass);
75
76	IV iv = SvIV (hv_fetch ((HV )SvRV (sv), "_ptr", 4, 1));
77
78	if (!iv)
79	croak ("perl code used %s object, but C++ object is already destroyed, caught", klass);
80
81	return (long)iv;
82	}
83
84	#define newSVterm(term) SvREFCNT_inc ((SV *)term->self)
85	#define SvTERM(sv) (rxvt_term *)SvPTR (sv, "urxvt::term")
86
87	/////////////////////////////////////////////////////////////////////////////
88
89	struct perl_watcher
90	{
91	SV *cbsv;
92	HV *self;
93
94	perl_watcher ()
95	: cbsv (newSV (0))
96	{
97	}
98
99	~perl_watcher ()
100	{
101	SvREFCNT_dec (cbsv);
102	}
103
104	void cb (SV *cb)
105	{
106	sv_setsv (cbsv, cb);
107	}
108
109	void invoke (const char type, SV self, int arg = -1);
110	};
111
112	void
113	perl_watcher::invoke (const char type, SV self, int arg)
114	{
115	dSP;
116
117	ENTER;
118	SAVETMPS;
119
120	PUSHMARK (SP);
121
122	XPUSHs (sv_2mortal (self));
123
124	if (arg >= 0)
125	XPUSHs (sv_2mortal (newSViv (arg)));
126
127	PUTBACK;
128	call_sv (cbsv, G_VOID \| G_EVAL \| G_DISCARD);
129	SPAGAIN;
130
131	PUTBACK;
132	FREETMPS;
133	LEAVE;
134
135	if (SvTRUE (ERRSV))
136	rxvt_warn ("%s callback evaluation error: %s", type, SvPV_nolen (ERRSV));
137	}
138
139	#define newSVtimer(timer) new_ref (timer->self, "urxvt::timer")
140	#define SvTIMER(sv) (timer *)SvPTR (sv, "urxvt::timer")
141
142	struct timer : time_watcher, perl_watcher
143	{
144	timer ()
145	: time_watcher (this, &timer::execute)
146	{
147	}
148
149	void execute (time_watcher &w)
150	{
151	invoke ("urxvt::timer", newSVtimer (this));
152	}
153	};
154
155	#define newSViow(iow) new_ref (iow->self, "urxvt::iow")
156	#define SvIOW(sv) (iow *)SvPTR (sv, "urxvt::iow")
157
158	struct iow : io_watcher, perl_watcher
159	{
160	iow ()
161	: io_watcher (this, &iow::execute)
162	{
163	}
164
165	void execute (io_watcher &w, short revents)
166	{
167	invoke ("urxvt::iow", newSViow (this), revents);
168	}
169	};
170
171	/////////////////////////////////////////////////////////////////////////////
172
173	struct rxvt_perl_interp rxvt_perl;
174
175	static PerlInterpreter *perl;
176
177	rxvt_perl_interp::rxvt_perl_interp ()
178	{
179	}
180
181	rxvt_perl_interp::~rxvt_perl_interp ()
182	{
183	if (perl)
184	{
185	perl_destruct (perl);
186	perl_free (perl);
187	}
188	}
189
190	void
191	rxvt_perl_interp::init ()
192	{
193	if (!perl)
194	{
195	char *argv[] = {
196	"",
197	"-edo '" LIBDIR "/urxvt.pm' or ($@ and die $@) or exit 1",
198	};
199
200	perl = perl_alloc ();
201	perl_construct (perl);
202
203	if (perl_parse (perl, xs_init, 2, argv, (char **)NULL)
204	\|\| perl_run (perl))
205	{
206	rxvt_warn ("unable to initialize perl-interpreter, continuing without.\n");
207
208	perl_destruct (perl);
209	perl_free (perl);
210	perl = 0;
211	}
212	}
213	}
214
215	bool
216	rxvt_perl_interp::invoke (rxvt_term *term, hook_type htype, ...)
217	{
218	if (!perl
219	\|\| (!should_invoke [htype] && htype != HOOK_INIT && htype != HOOK_DESTROY))
220	return false;
221
222	if (htype == HOOK_INIT) // first hook ever called
223	term->self = (void )newSVptr ((void )term, "urxvt::term");
224
225	dSP;
226	va_list ap;
227
228	va_start (ap, htype);
229
230	ENTER;
231	SAVETMPS;
232
233	PUSHMARK (SP);
234
235	XPUSHs (sv_2mortal (newSVterm (term)));
236	XPUSHs (sv_2mortal (newSViv (htype)));
237
238	for (;;) {
239	data_type dt = (data_type)va_arg (ap, int);
240
241	switch (dt)
242	{
243	case DT_INT:
244	XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
245	break;
246
247	case DT_LONG:
248	XPUSHs (sv_2mortal (newSViv (va_arg (ap, long))));
249	break;
250
251	case DT_STRING:
252	XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
253	break;
254
255	case DT_END:
256	{
257	va_end (ap);
258
259	PUTBACK;
260	int count = call_pv ("urxvt::invoke", G_ARRAY \| G_EVAL);
261	SPAGAIN;
262
263	if (count)
264	{
265	SV *status = POPs;
266	count = SvTRUE (status);
267	}
268
269	PUTBACK;
270	FREETMPS;
271	LEAVE;
272
273	if (SvTRUE (ERRSV))
274	rxvt_warn ("perl hook %d evaluation error: %s", htype, SvPV_nolen (ERRSV));
275
276	if (htype == HOOK_DESTROY)
277	{
278	// TODO: clear magic
279	hv_clear ((HV )SvRV ((SV )term->self));
280	SvREFCNT_dec ((SV *)term->self);
281	}
282
283	return count;
284	}
285
286	default:
287	rxvt_fatal ("FATAL: unable to pass data type %d\n", dt);
288	}
289	}
290	}
291
292	/////////////////////////////////////////////////////////////////////////////
293
294	MODULE = urxvt PACKAGE = urxvt
295
296	PROTOTYPES: ENABLE
297
298	BOOT:
299	{
300	# define set_hookname(sym) av_store (hookname, PP_CONCAT(HOOK_, sym), newSVpv (PP_STRINGIFY(sym), 0))
301	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	set_hookname (KEYBOARD_COMMAND);
318
319	newCONSTSUB (gv_stashpv ("urxvt", 1), "DEFAULT_RSTYLE", newSViv (DEFAULT_RSTYLE));
320
321	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	NV
340	NOW ()
341	CODE:
342	RETVAL = NOW;
343	OUTPUT:
344	RETVAL
345
346	MODULE = urxvt PACKAGE = urxvt::term
347
348	int
349	rxvt_term::strwidth (SV *str)
350	CODE:
351	{
352	wchar_t *wstr = sv2wcs (str);
353
354	rxvt_push_locale (THIS->locale);
355	RETVAL = wcswidth (wstr, wcslen (wstr));
356	rxvt_pop_locale ();
357
358	free (wstr);
359	}
360	OUTPUT:
361	RETVAL
362
363	SV *
364	rxvt_term::locale_encode (SV *str)
365	CODE:
366	{
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	RETVAL
380
381	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
402	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	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	rxvt_term::want_refresh ()
440	CODE:
441	THIS->want_refresh = 1;
442
443	void
444	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	if (start_col + len > THIS->ncol)
477	{
478	free (wstr);
479	croak ("new_text extends beyond right margin");
480	}
481
482	for (int col = start_col; col < start_col + len; col++)
483	{
484	l.t [col] = wstr [col - start_col];
485	l.r [col] = SET_FONT (l.r [col], THIS->fontset [GET_STYLE (l.r [col])]->find_font (l.t [col]));
486	}
487
488	free (wstr);
489	}
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	if (start_col + len > THIS->ncol)
521	croak ("new_rend array extends beyond right margin");
522
523	for (int col = start_col; col < start_col + len; col++)
524	{
525	rend_t r = SvIV (*av_fetch (av, col - start_col, 1)) & ~RS_fontMask;
526
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	void
559	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	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	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	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