/* Stream device functions.
Copyright (C) 1995 Free Software Foundation, Inc.
Copyright (C) 1996, 2001, 2002, 2003 Ben Wing.
This file is part of XEmacs.
XEmacs 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 3 of the License, or (at your
option) any later version.
XEmacs 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 XEmacs. If not, see . */
/* Synched up with: Not in FSF. */
/* This file has been Mule-ized. */
/* Written by Ben Wing. */
#include
#include "lisp.h"
#include "device-impl.h"
#include "events.h"
#include "frame-impl.h"
#include "redisplay.h"
#include "sysdep.h"
#include "window.h"
#include "console-stream-impl.h"
#include "console-tty.h"
#include "sysfile.h"
DEFINE_CONSOLE_TYPE (stream);
Lisp_Object Vterminal_console;
Lisp_Object Vterminal_device;
Lisp_Object Vterminal_frame;
Lisp_Object Vstdio_str;
static const struct memory_description stream_console_data_description_1 [] = {
{ XD_LISP_OBJECT, offsetof (struct stream_console, instream) },
{ XD_END }
};
#ifdef NEW_GC
DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("stream-console", stream_console,
0, stream_console_data_description_1,
Lisp_Stream_Console);
#else /* not NEW_GC */
const struct sized_memory_description stream_console_data_description = {
sizeof (struct stream_console), stream_console_data_description_1
};
#endif /* not NEW_GC */
static void
stream_init_console (struct console *con, Lisp_Object UNUSED (params))
{
Lisp_Object tty = CONSOLE_CONNECTION (con);
struct stream_console *stream_con;
#ifdef NEW_GC
if (CONSOLE_STREAM_DATA (con) == NULL)
CONSOLE_STREAM_DATA (con) =
XSTREAM_CONSOLE (ALLOC_NORMAL_LISP_OBJECT (stream_console));
#else /* not NEW_GC */
if (CONSOLE_STREAM_DATA (con) == NULL)
CONSOLE_STREAM_DATA (con) = xnew_and_zero (struct stream_console);
#endif /* not NEW_GC */
stream_con = CONSOLE_STREAM_DATA (con);
stream_con->instream = Qnil;
/* Open the specified console */
if (NILP (tty) || internal_equal (tty, Vstdio_str, 0))
{
stream_con->in = stdin;
stream_con->out = stdout;
stream_con->err = stderr;
}
else
{
CHECK_STRING (tty);
stream_con->in = stream_con->out = stream_con->err =
/* #### We don't currently do coding-system translation on
this descriptor. */
qxe_fopen (XSTRING_DATA (tty), READ_PLUS_TEXT);
if (!stream_con->in)
signal_error (Qio_error, "Unable to open tty", tty);
}
}
static void
stream_init_device (struct device *d, Lisp_Object UNUSED (params))
{
struct console *con = XCONSOLE (DEVICE_CONSOLE (d));
DEVICE_INFD (d) = fileno (CONSOLE_STREAM_DATA (con)->in);
DEVICE_OUTFD (d) = fileno (CONSOLE_STREAM_DATA (con)->out);
init_baud_rate (d);
init_one_device (d);
}
static int
stream_initially_selected_for_input (struct console *UNUSED (con))
{
return noninteractive && initialized;
}
extern int stdout_needs_newline;
static void
stream_delete_console (struct console *con)
{
struct stream_console *stream_con = CONSOLE_STREAM_DATA (con);
if (stream_con)
{
if (/* stream_con->needs_newline */
stdout_needs_newline) /* #### clean this up */
{
fputc ('\n', stream_con->out);
fflush (stream_con->out);
}
if (stream_con->in != stdin)
retry_fclose (stream_con->in);
#ifndef NEW_GC
xfree (stream_con);
#endif /* not NEW_GC */
CONSOLE_STREAM_DATA (con) = NULL;
}
}
Lisp_Object
stream_semi_canonicalize_console_connection (Lisp_Object connection,
Error_Behavior UNUSED (errb))
{
return NILP (connection) ? Vstdio_str : connection;
}
Lisp_Object
stream_canonicalize_console_connection (Lisp_Object connection,
Error_Behavior errb)
{
if (NILP (connection) || internal_equal (connection, Vstdio_str, 0))
return Vstdio_str;
if (!ERRB_EQ (errb, ERROR_ME))
{
if (!STRINGP (connection))
return Qunbound;
}
else
CHECK_STRING (connection);
return Ffile_truename (connection, Qnil);
}
Lisp_Object
stream_semi_canonicalize_device_connection (Lisp_Object connection,
Error_Behavior errb)
{
return stream_semi_canonicalize_console_connection (connection, errb);
}
Lisp_Object
stream_canonicalize_device_connection (Lisp_Object connection,
Error_Behavior errb)
{
return stream_canonicalize_console_connection (connection, errb);
}
static void
stream_init_frame_1 (struct frame *f, Lisp_Object UNUSED (props),
int frame_name_is_defaulted)
{
#if 0
struct device *d = XDEVICE (FRAME_DEVICE (f));
if (!NILP (DEVICE_FRAME_LIST (d)))
invalid_operation ("Only one frame allowed on stream devices", Qunbound);
#endif
if (frame_name_is_defaulted)
f->name = build_ascstring ("stream");
f->height = 80;
f->width = 24;
f->visible = 0; /* so redisplay doesn't try to do anything */
}
static int
stream_text_width (struct frame *UNUSED (f),
struct face_cachel *UNUSED (cachel),
const Ichar *UNUSED (str), Charcount len)
{
return len;
}
static int
stream_left_margin_width (struct window *UNUSED (w))
{
return 0;
}
static int
stream_right_margin_width (struct window *UNUSED (w))
{
return 0;
}
static int
stream_divider_height (void)
{
return 1;
}
static int
stream_eol_cursor_width (void)
{
return 1;
}
/* We used to try and check for redisplaying on stream devices (e.g. in
redisplay_device(), and beg out if so. However, we didn't always manage
completely. Now we do manage completely, and to verify this we abort if
we try to display a stream device. This might fix some crashes I've
been getting in pdump -- the only difference between crash and non-crash
is a few changes to the redisplay critical-section handling. */
static void
stream_window_output_begin (struct window *UNUSED (w))
{
ABORT ();
}
static void
stream_window_output_end (struct window *UNUSED (w))
{
ABORT ();
}
static void
stream_frame_output_begin (struct frame *UNUSED (f))
{
ABORT ();
}
static void
stream_frame_output_end (struct frame *UNUSED (f))
{
ABORT ();
}
static void
stream_output_display_block (struct window *UNUSED (w),
struct display_line *UNUSED (dl),
int UNUSED (block), int UNUSED (start),
int UNUSED (end), int UNUSED (start_pixpos),
int UNUSED (cursor_start),
int UNUSED (cursor_width),
int UNUSED (cursor_height))
{
ABORT ();
}
static void
stream_clear_region (Lisp_Object UNUSED (window), struct frame *UNUSED (f),
face_index UNUSED (findex),
int UNUSED (x), int UNUSED (y),
int UNUSED (width), int UNUSED (height),
Lisp_Object UNUSED (fcolor),
Lisp_Object UNUSED (bcolor),
Lisp_Object UNUSED (background_pixmap),
Lisp_Object UNUSED (background_placement))
{
ABORT ();
}
static int
stream_flash (struct device *UNUSED (d))
{
return 0; /* sorry can't do it */
}
static void
stream_ring_bell (struct device *d, int UNUSED (volume), int UNUSED (pitch),
int UNUSED (duration))
{
struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
/* Don't output ^G when not a TTY -- in particular, under MS Windows, ^G
is interpreted as bell by the console, but not when running under
VC++. Probably this would be the same under Unix. */
if (isatty (fileno (CONSOLE_STREAM_DATA (c)->out)))
{
fputc (07, CONSOLE_STREAM_DATA (c)->out);
fflush (CONSOLE_STREAM_DATA (c)->out);
}
}
/************************************************************************/
/* initialization */
/************************************************************************/
void
console_type_create_stream (void)
{
INITIALIZE_CONSOLE_TYPE (stream, "stream", "console-stream-p");
/* console methods */
CONSOLE_HAS_METHOD (stream, init_console);
CONSOLE_HAS_METHOD (stream, initially_selected_for_input);
CONSOLE_HAS_METHOD (stream, delete_console);
CONSOLE_HAS_METHOD (stream, canonicalize_console_connection);
CONSOLE_HAS_METHOD (stream, canonicalize_device_connection);
CONSOLE_HAS_METHOD (stream, semi_canonicalize_console_connection);
CONSOLE_HAS_METHOD (stream, semi_canonicalize_device_connection);
/* device methods */
CONSOLE_HAS_METHOD (stream, init_device);
/* frame methods */
CONSOLE_HAS_METHOD (stream, init_frame_1);
/* redisplay methods */
CONSOLE_HAS_METHOD (stream, text_width);
CONSOLE_HAS_METHOD (stream, left_margin_width);
CONSOLE_HAS_METHOD (stream, right_margin_width);
CONSOLE_HAS_METHOD (stream, divider_height);
CONSOLE_HAS_METHOD (stream, eol_cursor_width);
CONSOLE_HAS_METHOD (stream, window_output_begin);
CONSOLE_HAS_METHOD (stream, window_output_end);
CONSOLE_HAS_METHOD (stream, frame_output_begin);
CONSOLE_HAS_METHOD (stream, frame_output_end);
CONSOLE_HAS_METHOD (stream, output_display_block);
CONSOLE_HAS_METHOD (stream, clear_region);
CONSOLE_HAS_METHOD (stream, flash);
CONSOLE_HAS_METHOD (stream, ring_bell);
}
void
reinit_console_type_create_stream (void)
{
REINITIALIZE_CONSOLE_TYPE (stream);
}
void
vars_of_console_stream (void)
{
DEFVAR_LISP ("terminal-console", &Vterminal_console /*
The initial console object, which represents XEmacs' stdout.
*/ );
Vterminal_console = Qnil;
DEFVAR_LISP ("terminal-device", &Vterminal_device /*
The initial device object, which represents XEmacs' stdout.
*/ );
Vterminal_device = Qnil;
DEFVAR_LISP ("terminal-frame", &Vterminal_frame /*
The initial frame object, which represents XEmacs' stdout.
*/ );
Vterminal_frame = Qnil;
/* Moved from console-tty.c */
Vstdio_str = build_ascstring ("stdio");
staticpro (&Vstdio_str);
}
#ifndef PDUMP
void
init_console_stream (int UNUSED (reinit))
{
/* This function can GC */
if (!initialized)
{
Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
Vterminal_console = Fdevice_console (Vterminal_device);
Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
}
else
{
/* Re-initialize the FILE fields of the console. */
stream_init_console (XCONSOLE (Vterminal_console), Qnil);
if (noninteractive)
event_stream_select_console (XCONSOLE (Vterminal_console));
}
}
#else
void
init_console_stream (int reinit)
{
/* This function can GC */
if (!reinit)
{
Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
Vterminal_console = Fdevice_console (Vterminal_device);
Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
}
if (initialized)
{
stream_init_console (XCONSOLE (Vterminal_console), Qnil);
if (noninteractive)
event_stream_select_console (XCONSOLE (Vterminal_console));
}
}
#endif