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 *
#	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	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	NV
338	NOW ()
339	CODE:
340	RETVAL = NOW;
341	OUTPUT:
342	RETVAL
343
344	MODULE = urxvt PACKAGE = urxvt::term
345
346	int
347	rxvt_term::strwidth (SV *str)
348	CODE:
349	{
350	wchar_t *wstr = sv2wcs (str);
351
352	rxvt_push_locale (THIS->locale);
353	RETVAL = wcswidth (wstr, wcslen (wstr));
354	rxvt_pop_locale ();
355
356	free (wstr);
357	}
358	OUTPUT:
359	RETVAL
360
361	SV *
362	rxvt_term::locale_encode (SV *str)
363	CODE:
364	{
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	RETVAL
378
379	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
400	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	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	void
550	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	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	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	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