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428
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1 /* TTY console functions.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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800
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4 Copyright (C) 1996, 2001, 2002 Ben Wing.
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428
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Authors: Ben Wing and Chuck Thompson. */
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26
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27 #include <config.h>
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28 #include "lisp.h"
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29
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872
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30 #include "console-tty-impl.h"
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428
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31 #include "console-stream.h"
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872
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32
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428
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33 #include "faces.h"
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872
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34 #include "file-coding.h"
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428
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35 #include "frame.h"
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872
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36 #include "glyphs.h"
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428
|
37 #include "lstream.h"
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872
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38 #include "process.h"
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39
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428
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40 #include "sysdep.h"
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41 #include "sysfile.h"
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42
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43 DEFINE_CONSOLE_TYPE (tty);
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44 DECLARE_IMAGE_INSTANTIATOR_FORMAT (nothing);
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45 DECLARE_IMAGE_INSTANTIATOR_FORMAT (string);
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46 DECLARE_IMAGE_INSTANTIATOR_FORMAT (formatted_string);
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47 DECLARE_IMAGE_INSTANTIATOR_FORMAT (inherit);
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48
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49 Lisp_Object Qterminal_type;
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50 Lisp_Object Qcontrolling_process;
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51
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52
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53 static void
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54 allocate_tty_console_struct (struct console *con)
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55 {
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56 /* zero out all slots except the lisp ones ... */
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57 CONSOLE_TTY_DATA (con) = xnew_and_zero (struct tty_console);
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58 CONSOLE_TTY_DATA (con)->terminal_type = Qnil;
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59 CONSOLE_TTY_DATA (con)->instream = Qnil;
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60 CONSOLE_TTY_DATA (con)->outstream = Qnil;
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61 }
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62
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63 static void
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64 tty_init_console (struct console *con, Lisp_Object props)
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65 {
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66 Lisp_Object tty = CONSOLE_CONNECTION (con);
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67 Lisp_Object terminal_type = Qnil;
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68 Lisp_Object controlling_process = Qnil;
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69 struct tty_console *tty_con;
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70 struct gcpro gcpro1, gcpro2;
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71
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72 GCPRO2 (terminal_type, controlling_process);
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73
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74 terminal_type = Fplist_get (props, Qterminal_type, Qnil);
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75 controlling_process = Fplist_get (props, Qcontrolling_process, Qnil);
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76
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77 /* Determine the terminal type */
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78
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79 if (!NILP (terminal_type))
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80 CHECK_STRING (terminal_type);
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81 else
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82 {
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867
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83 Ibyte *temp_type = egetenv ("TERM");
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428
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84
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85 if (!temp_type)
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86 {
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563
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87 invalid_state ("Cannot determine terminal type", Qunbound);
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428
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88 }
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89 else
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771
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90 terminal_type = build_intstring (temp_type);
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428
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91 }
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92
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93 /* Determine the controlling process */
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94 if (!NILP (controlling_process))
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95 CHECK_INT (controlling_process);
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96
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97 /* Open the specified console */
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98
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99 allocate_tty_console_struct (con);
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100 tty_con = CONSOLE_TTY_DATA (con);
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101
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102 if (internal_equal (tty, Vstdio_str, 0))
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103 {
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104 tty_con->infd = fileno (stdin);
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105 tty_con->outfd = fileno (stdout);
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106 tty_con->is_stdio = 1;
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107 }
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108 else
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109 {
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110 tty_con->infd = tty_con->outfd =
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771
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111 qxe_open (XSTRING_DATA (tty), O_RDWR);
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428
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112 if (tty_con->infd < 0)
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563
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113 signal_error (Qio_error, "Unable to open tty", tty);
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428
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114 tty_con->is_stdio = 0;
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115 }
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116
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802
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117 /* set_descriptor_non_blocking (tty_con->infd); */
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428
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118 tty_con->instream = make_filedesc_input_stream (tty_con->infd, 0, -1, 0);
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771
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119 Lstream_set_buffering (XLSTREAM (tty_con->instream), LSTREAM_UNBUFFERED, 0);
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428
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120 tty_con->instream =
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771
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121 make_coding_input_stream (XLSTREAM (tty_con->instream),
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122 get_coding_system_for_text_file (Qkeyboard, 0),
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814
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123 CODING_DECODE,
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124 LSTREAM_FL_READ_ONE_BYTE_AT_A_TIME);
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771
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125 Lstream_set_buffering (XLSTREAM (tty_con->instream), LSTREAM_UNBUFFERED, 0);
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126 tty_con->outstream = make_filedesc_output_stream (tty_con->outfd, 0, -1, 0);
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428
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127 tty_con->outstream =
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771
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128 make_coding_output_stream (XLSTREAM (tty_con->outstream),
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129 get_coding_system_for_text_file (Qterminal, 0),
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800
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130 CODING_ENCODE, 0);
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428
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131 tty_con->terminal_type = terminal_type;
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132 tty_con->controlling_process = controlling_process;
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133
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134 if (NILP (CONSOLE_NAME (con)))
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135 CONSOLE_NAME (con) = Ffile_name_nondirectory (tty);
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136 {
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442
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137 pid_t tty_pg;
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138 pid_t controlling_tty_pg;
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428
|
139 int cfd;
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140
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141 /* OK, the only sure-fire way I can think of to determine
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142 whether a particular TTY is our controlling TTY is to check
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143 if it has the same foreground process group as our controlling
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144 TTY. This is OK because a process group can never simultaneously
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145 be the foreground process group of two TTY's (in that case it
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146 would have two controlling TTY's, which is not allowed). */
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147
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148 EMACS_GET_TTY_PROCESS_GROUP (tty_con->infd, &tty_pg);
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867
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149 cfd = qxe_open ((Ibyte *) "/dev/tty", O_RDWR, 0);
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428
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150 EMACS_GET_TTY_PROCESS_GROUP (cfd, &controlling_tty_pg);
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771
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151 retry_close (cfd);
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428
|
152 if (tty_pg == controlling_tty_pg)
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153 {
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154 tty_con->controlling_terminal = 1;
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|
793
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155 Vcontrolling_terminal = wrap_console (con);
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428
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156 munge_tty_process_group ();
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157 }
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158 else
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159 tty_con->controlling_terminal = 0;
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160 }
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161
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162 UNGCPRO;
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163 }
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164
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165 static void
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166 tty_mark_console (struct console *con)
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167 {
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168 struct tty_console *tty_con = CONSOLE_TTY_DATA (con);
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169 mark_object (tty_con->terminal_type);
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170 mark_object (tty_con->instream);
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171 mark_object (tty_con->outstream);
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172 }
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173
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174 static int
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175 tty_initially_selected_for_input (struct console *con)
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176 {
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177 return 1;
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178 }
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179
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180 static void
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181 free_tty_console_struct (struct console *con)
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182 {
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183 struct tty_console *tty_con = CONSOLE_TTY_DATA (con);
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184 if (tty_con)
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185 {
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186 if (tty_con->term_entry_buffer) /* allocated in term_init () */
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187 {
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188 xfree (tty_con->term_entry_buffer);
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189 tty_con->term_entry_buffer = NULL;
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190 }
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191 xfree (tty_con);
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192 CONSOLE_TTY_DATA (con) = NULL;
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193 }
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194 }
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195
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196 static void
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197 tty_delete_console (struct console *con)
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198 {
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199 Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->instream));
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200 Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream));
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201 if (!CONSOLE_TTY_DATA (con)->is_stdio)
|
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771
|
202 retry_close (CONSOLE_TTY_DATA (con)->infd);
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428
|
203 if (CONSOLE_TTY_DATA (con)->controlling_terminal)
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|
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204 {
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205 Vcontrolling_terminal = Qnil;
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206 unmunge_tty_process_group ();
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|
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207 }
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|
|
208 free_tty_console_struct (con);
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|
|
209 }
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|
|
210
|
|
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211
|
|
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212 static struct console *
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|
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213 decode_tty_console (Lisp_Object console)
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|
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214 {
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|
793
|
215 console = wrap_console (decode_console (console));
|
|
428
|
216 CHECK_TTY_CONSOLE (console);
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|
|
217 return XCONSOLE (console);
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|
|
218 }
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|
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219
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|
|
220 DEFUN ("console-tty-terminal-type", Fconsole_tty_terminal_type,
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221 0, 1, 0, /*
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222 Return the terminal type of TTY console CONSOLE.
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223 */
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224 (console))
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|
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225 {
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226 return CONSOLE_TTY_DATA (decode_tty_console (console))->terminal_type;
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|
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227 }
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228
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|
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229 DEFUN ("console-tty-controlling-process", Fconsole_tty_controlling_process,
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230 0, 1, 0, /*
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231 Return the controlling process of tty console CONSOLE.
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|
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232 */
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233 (console))
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|
|
234 {
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|
|
235 return CONSOLE_TTY_DATA (decode_tty_console (console))->controlling_process;
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|
|
236 }
|
|
|
237
|
|
|
238
|
|
|
239 DEFUN ("console-tty-input-coding-system", Fconsole_tty_input_coding_system,
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|
240 0, 1, 0, /*
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241 Return the input coding system of tty console CONSOLE.
|
|
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242 */
|
|
|
243 (console))
|
|
|
244 {
|
|
771
|
245 return coding_stream_detected_coding_system
|
|
428
|
246 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream));
|
|
|
247 }
|
|
|
248
|
|
|
249 DEFUN ("set-console-tty-input-coding-system", Fset_console_tty_input_coding_system,
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|
|
250 0, 2, 0, /*
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|
|
251 Set the input coding system of tty console CONSOLE to CODESYS.
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|
|
252 CONSOLE defaults to the selected console.
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|
|
253 CODESYS defaults to the value of `keyboard-coding-system'.
|
|
|
254 */
|
|
|
255 (console, codesys))
|
|
|
256 {
|
|
771
|
257 set_coding_stream_coding_system
|
|
428
|
258 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream),
|
|
771
|
259 get_coding_system_for_text_file (NILP (codesys) ? Qkeyboard : codesys,
|
|
|
260 0));
|
|
428
|
261 return Qnil;
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|
|
262 }
|
|
|
263
|
|
|
264 DEFUN ("console-tty-output-coding-system", Fconsole_tty_output_coding_system,
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|
|
265 0, 1, 0, /*
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|
|
266 Return TTY CONSOLE's output coding system.
|
|
|
267 */
|
|
|
268 (console))
|
|
|
269 {
|
|
771
|
270 return coding_stream_coding_system
|
|
428
|
271 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream));
|
|
|
272 }
|
|
|
273
|
|
|
274 DEFUN ("set-console-tty-output-coding-system", Fset_console_tty_output_coding_system,
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|
|
275 0, 2, 0, /*
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|
|
276 Set the coding system of tty output of console CONSOLE to CODESYS.
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|
|
277 CONSOLE defaults to the selected console.
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|
|
278 CODESYS defaults to the value of `terminal-coding-system'.
|
|
|
279 */
|
|
|
280 (console, codesys))
|
|
|
281 {
|
|
771
|
282 set_coding_stream_coding_system
|
|
428
|
283 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream),
|
|
771
|
284 get_coding_system_for_text_file (NILP (codesys) ? Qterminal : codesys,
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|
|
285 0));
|
|
438
|
286 /* Redraw tty */
|
|
|
287 face_property_was_changed (Vdefault_face, Qfont, Qtty);
|
|
428
|
288 return Qnil;
|
|
|
289 }
|
|
|
290
|
|
440
|
291 /* #### Move this function to lisp */
|
|
428
|
292 DEFUN ("set-console-tty-coding-system", Fset_console_tty_coding_system,
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|
|
293 0, 2, 0, /*
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|
|
294 Set the input and output coding systems of tty console CONSOLE to CODESYS.
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|
|
295 CONSOLE defaults to the selected console.
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|
|
296 If CODESYS is nil, the values of `keyboard-coding-system' and
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|
|
297 `terminal-coding-system' will be used for the input and
|
|
|
298 output coding systems of CONSOLE.
|
|
|
299 */
|
|
|
300 (console, codesys))
|
|
|
301 {
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|
|
302 Fset_console_tty_input_coding_system (console, codesys);
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|
|
303 Fset_console_tty_output_coding_system (console, codesys);
|
|
|
304 return Qnil;
|
|
|
305 }
|
|
|
306
|
|
|
307
|
|
|
308 Lisp_Object
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|
|
309 tty_semi_canonicalize_console_connection (Lisp_Object connection,
|
|
578
|
310 Error_Behavior errb)
|
|
428
|
311 {
|
|
|
312 return stream_semi_canonicalize_console_connection (connection, errb);
|
|
|
313 }
|
|
|
314
|
|
|
315 Lisp_Object
|
|
|
316 tty_canonicalize_console_connection (Lisp_Object connection,
|
|
578
|
317 Error_Behavior errb)
|
|
428
|
318 {
|
|
|
319 return stream_canonicalize_console_connection (connection, errb);
|
|
|
320 }
|
|
|
321
|
|
|
322 Lisp_Object
|
|
|
323 tty_semi_canonicalize_device_connection (Lisp_Object connection,
|
|
578
|
324 Error_Behavior errb)
|
|
428
|
325 {
|
|
|
326 return stream_semi_canonicalize_console_connection (connection, errb);
|
|
|
327 }
|
|
|
328
|
|
|
329 Lisp_Object
|
|
|
330 tty_canonicalize_device_connection (Lisp_Object connection,
|
|
578
|
331 Error_Behavior errb)
|
|
428
|
332 {
|
|
|
333 return stream_canonicalize_console_connection (connection, errb);
|
|
|
334 }
|
|
|
335
|
|
|
336
|
|
|
337 /************************************************************************/
|
|
|
338 /* initialization */
|
|
|
339 /************************************************************************/
|
|
|
340
|
|
|
341 void
|
|
|
342 syms_of_console_tty (void)
|
|
|
343 {
|
|
|
344 DEFSUBR (Fconsole_tty_terminal_type);
|
|
|
345 DEFSUBR (Fconsole_tty_controlling_process);
|
|
563
|
346 DEFSYMBOL (Qterminal_type);
|
|
|
347 DEFSYMBOL (Qcontrolling_process);
|
|
428
|
348 DEFSUBR (Fconsole_tty_output_coding_system);
|
|
|
349 DEFSUBR (Fset_console_tty_output_coding_system);
|
|
|
350 DEFSUBR (Fconsole_tty_input_coding_system);
|
|
|
351 DEFSUBR (Fset_console_tty_input_coding_system);
|
|
|
352 DEFSUBR (Fset_console_tty_coding_system);
|
|
|
353 }
|
|
|
354
|
|
|
355 void
|
|
|
356 console_type_create_tty (void)
|
|
|
357 {
|
|
|
358 INITIALIZE_CONSOLE_TYPE (tty, "tty", "console-tty-p");
|
|
|
359
|
|
|
360 /* console methods */
|
|
|
361 CONSOLE_HAS_METHOD (tty, init_console);
|
|
|
362 CONSOLE_HAS_METHOD (tty, mark_console);
|
|
|
363 CONSOLE_HAS_METHOD (tty, initially_selected_for_input);
|
|
|
364 CONSOLE_HAS_METHOD (tty, delete_console);
|
|
|
365 CONSOLE_HAS_METHOD (tty, canonicalize_console_connection);
|
|
|
366 CONSOLE_HAS_METHOD (tty, canonicalize_device_connection);
|
|
|
367 CONSOLE_HAS_METHOD (tty, semi_canonicalize_console_connection);
|
|
|
368 CONSOLE_HAS_METHOD (tty, semi_canonicalize_device_connection);
|
|
|
369 }
|
|
|
370
|
|
|
371 void
|
|
|
372 reinit_console_type_create_tty (void)
|
|
|
373 {
|
|
|
374 REINITIALIZE_CONSOLE_TYPE (tty);
|
|
|
375 }
|
|
|
376
|
|
|
377 void
|
|
|
378 image_instantiator_format_create_glyphs_tty (void)
|
|
|
379 {
|
|
|
380 IIFORMAT_VALID_CONSOLE (tty, nothing);
|
|
|
381 IIFORMAT_VALID_CONSOLE (tty, string);
|
|
|
382 IIFORMAT_VALID_CONSOLE (tty, formatted_string);
|
|
|
383 IIFORMAT_VALID_CONSOLE (tty, inherit);
|
|
|
384 }
|
|
|
385
|
|
|
386 void
|
|
|
387 vars_of_console_tty (void)
|
|
|
388 {
|
|
|
389 Fprovide (Qtty);
|
|
|
390 }
|
