--- /dev/null
+/* TTY console functions.
+ Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
+ Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1996 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 2, 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; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: Not in FSF. */
+
+/* Authors: Ben Wing and Chuck Thompson. */
+
+#include <config.h>
+#include "lisp.h"
+
+#include "console-tty.h"
+#include "console-stream.h"
+#include "faces.h"
+#include "frame.h"
+#include "lstream.h"
+#include "glyphs.h"
+#include "sysdep.h"
+#include "sysfile.h"
+#ifdef FILE_CODING
+#include "file-coding.h"
+#endif
+
+DEFINE_CONSOLE_TYPE (tty);
+DECLARE_IMAGE_INSTANTIATOR_FORMAT (nothing);
+DECLARE_IMAGE_INSTANTIATOR_FORMAT (string);
+DECLARE_IMAGE_INSTANTIATOR_FORMAT (formatted_string);
+DECLARE_IMAGE_INSTANTIATOR_FORMAT (inherit);
+
+Lisp_Object Qterminal_type;
+Lisp_Object Qcontrolling_process;
+
+\f
+static void
+allocate_tty_console_struct (struct console *con)
+{
+ /* zero out all slots except the lisp ones ... */
+ CONSOLE_TTY_DATA (con) = xnew_and_zero (struct tty_console);
+ CONSOLE_TTY_DATA (con)->terminal_type = Qnil;
+ CONSOLE_TTY_DATA (con)->instream = Qnil;
+ CONSOLE_TTY_DATA (con)->outstream = Qnil;
+}
+
+static void
+tty_init_console (struct console *con, Lisp_Object props)
+{
+ Lisp_Object tty = CONSOLE_CONNECTION (con);
+ Lisp_Object terminal_type = Qnil;
+ Lisp_Object controlling_process = Qnil;
+ struct tty_console *tty_con;
+ struct gcpro gcpro1, gcpro2;
+
+ GCPRO2 (terminal_type, controlling_process);
+
+ terminal_type = Fplist_get (props, Qterminal_type, Qnil);
+ controlling_process = Fplist_get (props, Qcontrolling_process, Qnil);
+
+ /* Determine the terminal type */
+
+ if (!NILP (terminal_type))
+ CHECK_STRING (terminal_type);
+ else
+ {
+ char *temp_type = getenv ("TERM");
+
+ if (!temp_type)
+ {
+ error ("Cannot determine terminal type");
+ }
+ else
+ terminal_type = build_string (temp_type);
+ }
+
+ /* Determine the controlling process */
+ if (!NILP (controlling_process))
+ CHECK_INT (controlling_process);
+
+ /* Open the specified console */
+
+ allocate_tty_console_struct (con);
+ tty_con = CONSOLE_TTY_DATA (con);
+
+ if (internal_equal (tty, Vstdio_str, 0))
+ {
+ tty_con->infd = fileno (stdin);
+ tty_con->outfd = fileno (stdout);
+ tty_con->is_stdio = 1;
+ }
+ else
+ {
+ tty_con->infd = tty_con->outfd =
+ open ((char *) XSTRING_DATA (tty), O_RDWR);
+ if (tty_con->infd < 0)
+ error ("Unable to open tty %s", XSTRING_DATA (tty));
+ tty_con->is_stdio = 0;
+ }
+
+ tty_con->instream = make_filedesc_input_stream (tty_con->infd, 0, -1, 0);
+ tty_con->outstream = make_filedesc_output_stream (tty_con->outfd, 0, -1, 0);
+#ifdef FILE_CODING
+ tty_con->instream =
+ make_decoding_input_stream (XLSTREAM (tty_con->instream),
+ Fget_coding_system (Qkeyboard));
+ Lstream_set_character_mode (XLSTREAM (tty_con->instream));
+ tty_con->outstream =
+ make_encoding_output_stream (XLSTREAM (tty_con->outstream),
+ Fget_coding_system (Qterminal));
+#endif /* FILE_CODING */
+ tty_con->terminal_type = terminal_type;
+ tty_con->controlling_process = controlling_process;
+
+ if (NILP (CONSOLE_NAME (con)))
+ CONSOLE_NAME (con) = Ffile_name_nondirectory (tty);
+ {
+ pid_t tty_pg;
+ pid_t controlling_tty_pg;
+ int cfd;
+
+ /* OK, the only sure-fire way I can think of to determine
+ whether a particular TTY is our controlling TTY is to check
+ if it has the same foreground process group as our controlling
+ TTY. This is OK because a process group can never simultaneously
+ be the foreground process group of two TTY's (in that case it
+ would have two controlling TTY's, which is not allowed). */
+
+ EMACS_GET_TTY_PROCESS_GROUP (tty_con->infd, &tty_pg);
+ cfd = open ("/dev/tty", O_RDWR, 0);
+ EMACS_GET_TTY_PROCESS_GROUP (cfd, &controlling_tty_pg);
+ close (cfd);
+ if (tty_pg == controlling_tty_pg)
+ {
+ tty_con->controlling_terminal = 1;
+ XSETCONSOLE (Vcontrolling_terminal, con);
+ munge_tty_process_group ();
+ }
+ else
+ tty_con->controlling_terminal = 0;
+ }
+
+ UNGCPRO;
+}
+
+static void
+tty_mark_console (struct console *con)
+{
+ struct tty_console *tty_con = CONSOLE_TTY_DATA (con);
+ mark_object (tty_con->terminal_type);
+ mark_object (tty_con->instream);
+ mark_object (tty_con->outstream);
+}
+
+static int
+tty_initially_selected_for_input (struct console *con)
+{
+ return 1;
+}
+
+static void
+free_tty_console_struct (struct console *con)
+{
+ struct tty_console *tty_con = CONSOLE_TTY_DATA (con);
+ if (tty_con)
+ {
+ if (tty_con->term_entry_buffer) /* allocated in term_init () */
+ {
+ xfree (tty_con->term_entry_buffer);
+ tty_con->term_entry_buffer = NULL;
+ }
+ xfree (tty_con);
+ CONSOLE_TTY_DATA (con) = NULL;
+ }
+}
+
+static void
+tty_delete_console (struct console *con)
+{
+ Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->instream));
+ Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream));
+ if (!CONSOLE_TTY_DATA (con)->is_stdio)
+ close (CONSOLE_TTY_DATA (con)->infd);
+ if (CONSOLE_TTY_DATA (con)->controlling_terminal)
+ {
+ Vcontrolling_terminal = Qnil;
+ unmunge_tty_process_group ();
+ }
+ free_tty_console_struct (con);
+}
+
+\f
+static struct console *
+decode_tty_console (Lisp_Object console)
+{
+ XSETCONSOLE (console, decode_console (console));
+ CHECK_TTY_CONSOLE (console);
+ return XCONSOLE (console);
+}
+
+DEFUN ("console-tty-terminal-type", Fconsole_tty_terminal_type,
+ 0, 1, 0, /*
+Return the terminal type of TTY console CONSOLE.
+*/
+ (console))
+{
+ return CONSOLE_TTY_DATA (decode_tty_console (console))->terminal_type;
+}
+
+DEFUN ("console-tty-controlling-process", Fconsole_tty_controlling_process,
+ 0, 1, 0, /*
+Return the controlling process of tty console CONSOLE.
+*/
+ (console))
+{
+ return CONSOLE_TTY_DATA (decode_tty_console (console))->controlling_process;
+}
+
+#ifdef FILE_CODING
+\f
+DEFUN ("console-tty-input-coding-system", Fconsole_tty_input_coding_system,
+ 0, 1, 0, /*
+Return the input coding system of tty console CONSOLE.
+*/
+ (console))
+{
+ return decoding_stream_coding_system
+ (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream));
+}
+
+DEFUN ("set-console-tty-input-coding-system", Fset_console_tty_input_coding_system,
+ 0, 2, 0, /*
+Set the input coding system of tty console CONSOLE to CODESYS.
+CONSOLE defaults to the selected console.
+CODESYS defaults to the value of `keyboard-coding-system'.
+*/
+ (console, codesys))
+{
+ set_decoding_stream_coding_system
+ (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream),
+ Fget_coding_system (NILP (codesys) ? Qkeyboard : codesys));
+ return Qnil;
+}
+
+DEFUN ("console-tty-output-coding-system", Fconsole_tty_output_coding_system,
+ 0, 1, 0, /*
+Return TTY CONSOLE's output coding system.
+*/
+ (console))
+{
+ return encoding_stream_coding_system
+ (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream));
+}
+
+DEFUN ("set-console-tty-output-coding-system", Fset_console_tty_output_coding_system,
+ 0, 2, 0, /*
+Set the coding system of tty output of console CONSOLE to CODESYS.
+CONSOLE defaults to the selected console.
+CODESYS defaults to the value of `terminal-coding-system'.
+*/
+ (console, codesys))
+{
+ set_encoding_stream_coding_system
+ (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream),
+ Fget_coding_system (NILP (codesys) ? Qterminal : codesys));
+ /* Redraw tty */
+ face_property_was_changed (Vdefault_face, Qfont, Qtty);
+ return Qnil;
+}
+
+/* #### Move this function to lisp */
+DEFUN ("set-console-tty-coding-system", Fset_console_tty_coding_system,
+ 0, 2, 0, /*
+Set the input and output coding systems of tty console CONSOLE to CODESYS.
+CONSOLE defaults to the selected console.
+If CODESYS is nil, the values of `keyboard-coding-system' and
+`terminal-coding-system' will be used for the input and
+output coding systems of CONSOLE.
+*/
+ (console, codesys))
+{
+ Fset_console_tty_input_coding_system (console, codesys);
+ Fset_console_tty_output_coding_system (console, codesys);
+ return Qnil;
+}
+#endif /* FILE_CODING */
+\f
+
+Lisp_Object
+tty_semi_canonicalize_console_connection (Lisp_Object connection,
+ Error_behavior errb)
+{
+ return stream_semi_canonicalize_console_connection (connection, errb);
+}
+
+Lisp_Object
+tty_canonicalize_console_connection (Lisp_Object connection,
+ Error_behavior errb)
+{
+ return stream_canonicalize_console_connection (connection, errb);
+}
+
+Lisp_Object
+tty_semi_canonicalize_device_connection (Lisp_Object connection,
+ Error_behavior errb)
+{
+ return stream_semi_canonicalize_console_connection (connection, errb);
+}
+
+Lisp_Object
+tty_canonicalize_device_connection (Lisp_Object connection,
+ Error_behavior errb)
+{
+ return stream_canonicalize_console_connection (connection, errb);
+}
+
+\f
+/************************************************************************/
+/* initialization */
+/************************************************************************/
+
+void
+syms_of_console_tty (void)
+{
+ DEFSUBR (Fconsole_tty_terminal_type);
+ DEFSUBR (Fconsole_tty_controlling_process);
+ defsymbol (&Qterminal_type, "terminal-type");
+ defsymbol (&Qcontrolling_process, "controlling-process");
+#ifdef FILE_CODING
+ DEFSUBR (Fconsole_tty_output_coding_system);
+ DEFSUBR (Fset_console_tty_output_coding_system);
+ DEFSUBR (Fconsole_tty_input_coding_system);
+ DEFSUBR (Fset_console_tty_input_coding_system);
+ DEFSUBR (Fset_console_tty_coding_system);
+#endif /* FILE_CODING */
+}
+
+void
+console_type_create_tty (void)
+{
+ INITIALIZE_CONSOLE_TYPE (tty, "tty", "console-tty-p");
+
+ /* console methods */
+ CONSOLE_HAS_METHOD (tty, init_console);
+ CONSOLE_HAS_METHOD (tty, mark_console);
+ CONSOLE_HAS_METHOD (tty, initially_selected_for_input);
+ CONSOLE_HAS_METHOD (tty, delete_console);
+ CONSOLE_HAS_METHOD (tty, canonicalize_console_connection);
+ CONSOLE_HAS_METHOD (tty, canonicalize_device_connection);
+ CONSOLE_HAS_METHOD (tty, semi_canonicalize_console_connection);
+ CONSOLE_HAS_METHOD (tty, semi_canonicalize_device_connection);
+}
+
+void
+reinit_console_type_create_tty (void)
+{
+ REINITIALIZE_CONSOLE_TYPE (tty);
+}
+
+void
+image_instantiator_format_create_glyphs_tty (void)
+{
+ IIFORMAT_VALID_CONSOLE (tty, nothing);
+ IIFORMAT_VALID_CONSOLE (tty, string);
+ IIFORMAT_VALID_CONSOLE (tty, formatted_string);
+ IIFORMAT_VALID_CONSOLE (tty, inherit);
+}
+
+void
+vars_of_console_tty (void)
+{
+ Fprovide (Qtty);
+}
projects / chise / xemacs-chise.git- / blobdiff