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428
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1 /* Stream device functions.
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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1279
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3 Copyright (C) 1996, 2001, 2002, 2003 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* This file has been Mule-ized. */
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25
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26 /* Written by Ben Wing. */
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30
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872
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31 #include "device-impl.h"
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428
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32 #include "events.h"
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872
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33 #include "frame-impl.h"
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428
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34 #include "redisplay.h"
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35 #include "sysdep.h"
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800
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36 #include "window.h"
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37
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872
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38 #include "console-stream-impl.h"
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800
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39 #include "console-tty.h"
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40
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428
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41 #include "sysfile.h"
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42
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43 DEFINE_CONSOLE_TYPE (stream);
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44
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45 Lisp_Object Vterminal_console;
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46 Lisp_Object Vterminal_device;
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47 Lisp_Object Vterminal_frame;
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48
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49 Lisp_Object Vstdio_str;
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50
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1204
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51 static const struct memory_description stream_console_data_description_1 [] = {
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52 { XD_LISP_OBJECT, offsetof (struct stream_console, instream) },
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53 { XD_END }
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54 };
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55
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56 const struct sized_memory_description stream_console_data_description = {
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57 sizeof (struct stream_console), stream_console_data_description_1
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58 };
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59
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428
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60 static void
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61 stream_init_console (struct console *con, Lisp_Object params)
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62 {
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63 Lisp_Object tty = CONSOLE_CONNECTION (con);
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64 struct stream_console *stream_con;
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65
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66 if (CONSOLE_STREAM_DATA (con) == NULL)
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1204
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67 CONSOLE_STREAM_DATA (con) = xnew_and_zero (struct stream_console);
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428
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68
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69 stream_con = CONSOLE_STREAM_DATA (con);
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70
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1204
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71 stream_con->instream = Qnil;
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428
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72
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73 /* Open the specified console */
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74 if (NILP (tty) || internal_equal (tty, Vstdio_str, 0))
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75 {
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76 stream_con->in = stdin;
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77 stream_con->out = stdout;
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78 stream_con->err = stderr;
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79 }
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80 else
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81 {
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82 CHECK_STRING (tty);
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83 stream_con->in = stream_con->out = stream_con->err =
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442
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84 /* #### We don't currently do coding-system translation on
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85 this descriptor. */
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771
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86 qxe_fopen (XSTRING_DATA (tty), READ_PLUS_TEXT);
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428
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87 if (!stream_con->in)
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563
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88 signal_error (Qio_error, "Unable to open tty", tty);
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428
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89 }
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90 }
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91
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92 static void
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93 stream_init_device (struct device *d, Lisp_Object params)
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94 {
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95 struct console *con = XCONSOLE (DEVICE_CONSOLE (d));
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96
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97 DEVICE_INFD (d) = fileno (CONSOLE_STREAM_DATA (con)->in);
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98 DEVICE_OUTFD (d) = fileno (CONSOLE_STREAM_DATA (con)->out);
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99 init_baud_rate (d);
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100 init_one_device (d);
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101 }
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102
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103 static int
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104 stream_initially_selected_for_input (struct console *con)
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105 {
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106 return noninteractive && initialized;
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107 }
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108
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109 extern int stdout_needs_newline;
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110
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111 static void
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112 stream_delete_console (struct console *con)
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113 {
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114 struct stream_console *stream_con = CONSOLE_STREAM_DATA (con);
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115 if (stream_con)
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116 {
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117 if (/* stream_con->needs_newline */
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118 stdout_needs_newline) /* #### clean this up */
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119 {
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120 fputc ('\n', stream_con->out);
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121 fflush (stream_con->out);
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122 }
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123 if (stream_con->in != stdin)
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771
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124 retry_fclose (stream_con->in);
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428
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125
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126 xfree (stream_con);
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127 CONSOLE_STREAM_DATA (con) = NULL;
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128 }
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129 }
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130
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131 Lisp_Object
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132 stream_semi_canonicalize_console_connection (Lisp_Object connection,
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578
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133 Error_Behavior errb)
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428
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134 {
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135 return NILP (connection) ? Vstdio_str : connection;
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136 }
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137
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138 Lisp_Object
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139 stream_canonicalize_console_connection (Lisp_Object connection,
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578
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140 Error_Behavior errb)
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428
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141 {
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142 if (NILP (connection) || internal_equal (connection, Vstdio_str, 0))
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143 return Vstdio_str;
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144
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145 if (!ERRB_EQ (errb, ERROR_ME))
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146 {
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147 if (!STRINGP (connection))
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148 return Qunbound;
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149 }
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150 else
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151 CHECK_STRING (connection);
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152
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153 return Ffile_truename (connection, Qnil);
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154 }
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155
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156 Lisp_Object
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157 stream_semi_canonicalize_device_connection (Lisp_Object connection,
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578
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158 Error_Behavior errb)
|
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428
|
159 {
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160 return stream_semi_canonicalize_console_connection (connection, errb);
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161 }
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162
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163 Lisp_Object
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164 stream_canonicalize_device_connection (Lisp_Object connection,
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578
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165 Error_Behavior errb)
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428
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166 {
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167 return stream_canonicalize_console_connection (connection, errb);
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168 }
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169
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170
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171 static void
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771
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172 stream_init_frame_1 (struct frame *f, Lisp_Object props,
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173 int frame_name_is_defaulted)
|
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428
|
174 {
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|
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175 #if 0
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176 struct device *d = XDEVICE (FRAME_DEVICE (f));
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177 if (!NILP (DEVICE_FRAME_LIST (d)))
|
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563
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178 invalid_operation ("Only one frame allowed on stream devices", Qunbound);
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428
|
179 #endif
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771
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180 if (frame_name_is_defaulted)
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181 f->name = build_string ("stream");
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428
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182 f->height = 80;
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183 f->width = 24;
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184 f->visible = 0; /* so redisplay doesn't try to do anything */
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185 }
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186
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|
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187
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188 static int
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189 stream_text_width (struct frame *f, struct face_cachel *cachel,
|
|
867
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190 const Ichar *str, Charcount len)
|
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428
|
191 {
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192 return len;
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193 }
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194
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195 static int
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196 stream_left_margin_width (struct window *w)
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197 {
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198 return 0;
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|
199 }
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200
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201 static int
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202 stream_right_margin_width (struct window *w)
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203 {
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204 return 0;
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205 }
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206
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207 static int
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208 stream_divider_height (void)
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209 {
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210 return 1;
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211 }
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212
|
|
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213 static int
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214 stream_eol_cursor_width (void)
|
|
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215 {
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216 return 1;
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|
|
217 }
|
|
|
218
|
|
1279
|
219 /* We used to try and check for redisplaying on stream devices (e.g. in
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|
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220 redisplay_device(), and beg out if so. However, we didn't always manage
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221 completely. Now we do manage completely, and to verify this we abort if
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222 we try to display a stream device. This might fix some crashes I've
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223 been getting in pdump -- the only difference between crash and non-crash
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224 is a few changes to the redisplay critical-section handling. */
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|
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225
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|
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226 static void
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|
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227 stream_window_output_begin (struct window *w)
|
|
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228 {
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|
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229 abort ();
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|
|
230 }
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|
|
231
|
|
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232 static void
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|
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233 stream_window_output_end (struct window *w)
|
|
|
234 {
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|
|
235 abort ();
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|
|
236 }
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|
|
237
|
|
|
238 static void
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|
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239 stream_frame_output_begin (struct frame *f)
|
|
|
240 {
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|
|
241 abort ();
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|
|
242 }
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|
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243
|
|
|
244 static void
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|
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245 stream_frame_output_end (struct frame *f)
|
|
|
246 {
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|
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247 abort ();
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|
|
248 }
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|
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249
|
|
428
|
250 static void
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|
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251 stream_output_display_block (struct window *w, struct display_line *dl,
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252 int block, int start, int end,
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|
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253 int start_pixpos, int cursor_start,
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|
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254 int cursor_width, int cursor_height)
|
|
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255 {
|
|
1279
|
256 abort ();
|
|
428
|
257 }
|
|
|
258
|
|
|
259 static void
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|
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260 stream_clear_region (Lisp_Object window, struct device* d, struct frame * f,
|
|
826
|
261 face_index findex, int x, int y,
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|
|
262 int width, int height, Lisp_Object fcolor,
|
|
|
263 Lisp_Object bcolor, Lisp_Object background_pixmap)
|
|
428
|
264 {
|
|
1279
|
265 abort ();
|
|
428
|
266 }
|
|
|
267
|
|
|
268 static int
|
|
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269 stream_flash (struct device *d)
|
|
|
270 {
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|
|
271 return 0; /* sorry can't do it */
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|
|
272 }
|
|
|
273
|
|
|
274 static void
|
|
|
275 stream_ring_bell (struct device *d, int volume, int pitch, int duration)
|
|
|
276 {
|
|
|
277 struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
|
|
826
|
278 /* Don't output ^G when not a TTY -- in particular, under MS Windows, ^G
|
|
|
279 is interpreted as bell by the console, but not when running under
|
|
|
280 VC++. Probably this would be the same under Unix. */
|
|
|
281 if (isatty (fileno (CONSOLE_STREAM_DATA (c)->out)))
|
|
|
282 {
|
|
|
283 fputc (07, CONSOLE_STREAM_DATA (c)->out);
|
|
|
284 fflush (CONSOLE_STREAM_DATA (c)->out);
|
|
|
285 }
|
|
428
|
286 }
|
|
|
287
|
|
|
288
|
|
|
289 /************************************************************************/
|
|
|
290 /* initialization */
|
|
|
291 /************************************************************************/
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|
|
292
|
|
|
293 void
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|
|
294 console_type_create_stream (void)
|
|
|
295 {
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|
|
296 INITIALIZE_CONSOLE_TYPE (stream, "stream", "console-stream-p");
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|
|
297
|
|
|
298 /* console methods */
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|
|
299 CONSOLE_HAS_METHOD (stream, init_console);
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|
|
300 CONSOLE_HAS_METHOD (stream, initially_selected_for_input);
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|
|
301 CONSOLE_HAS_METHOD (stream, delete_console);
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|
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302 CONSOLE_HAS_METHOD (stream, canonicalize_console_connection);
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303 CONSOLE_HAS_METHOD (stream, canonicalize_device_connection);
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|
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304 CONSOLE_HAS_METHOD (stream, semi_canonicalize_console_connection);
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|
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305 CONSOLE_HAS_METHOD (stream, semi_canonicalize_device_connection);
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306
|
|
|
307 /* device methods */
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|
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308 CONSOLE_HAS_METHOD (stream, init_device);
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|
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309
|
|
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310 /* frame methods */
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|
|
311 CONSOLE_HAS_METHOD (stream, init_frame_1);
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|
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312
|
|
|
313 /* redisplay methods */
|
|
1279
|
314 CONSOLE_HAS_METHOD (stream, text_width);
|
|
428
|
315 CONSOLE_HAS_METHOD (stream, left_margin_width);
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|
|
316 CONSOLE_HAS_METHOD (stream, right_margin_width);
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|
|
317 CONSOLE_HAS_METHOD (stream, divider_height);
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|
|
318 CONSOLE_HAS_METHOD (stream, eol_cursor_width);
|
|
1279
|
319 CONSOLE_HAS_METHOD (stream, window_output_begin);
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|
|
320 CONSOLE_HAS_METHOD (stream, window_output_end);
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|
|
321 CONSOLE_HAS_METHOD (stream, frame_output_begin);
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|
|
322 CONSOLE_HAS_METHOD (stream, frame_output_end);
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|
|
323 CONSOLE_HAS_METHOD (stream, output_display_block);
|
|
428
|
324 CONSOLE_HAS_METHOD (stream, clear_region);
|
|
|
325 CONSOLE_HAS_METHOD (stream, flash);
|
|
|
326 CONSOLE_HAS_METHOD (stream, ring_bell);
|
|
|
327 }
|
|
|
328
|
|
|
329 void
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|
|
330 reinit_console_type_create_stream (void)
|
|
|
331 {
|
|
|
332 REINITIALIZE_CONSOLE_TYPE (stream);
|
|
|
333 }
|
|
|
334
|
|
|
335 void
|
|
|
336 vars_of_console_stream (void)
|
|
|
337 {
|
|
|
338 DEFVAR_LISP ("terminal-console", &Vterminal_console /*
|
|
444
|
339 The initial console object, which represents XEmacs' stdout.
|
|
428
|
340 */ );
|
|
|
341 Vterminal_console = Qnil;
|
|
|
342
|
|
|
343 DEFVAR_LISP ("terminal-device", &Vterminal_device /*
|
|
444
|
344 The initial device object, which represents XEmacs' stdout.
|
|
428
|
345 */ );
|
|
|
346 Vterminal_device = Qnil;
|
|
|
347
|
|
|
348 DEFVAR_LISP ("terminal-frame", &Vterminal_frame /*
|
|
444
|
349 The initial frame object, which represents XEmacs' stdout.
|
|
428
|
350 */ );
|
|
|
351 Vterminal_frame = Qnil;
|
|
|
352
|
|
|
353 /* Moved from console-tty.c */
|
|
|
354 Vstdio_str = build_string ("stdio");
|
|
|
355 staticpro (&Vstdio_str);
|
|
|
356 }
|
|
|
357
|
|
|
358 #ifndef PDUMP
|
|
|
359 void
|
|
442
|
360 init_console_stream (int reinit)
|
|
428
|
361 {
|
|
|
362 /* This function can GC */
|
|
|
363 if (!initialized)
|
|
|
364 {
|
|
|
365 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
|
|
|
366 Vterminal_console = Fdevice_console (Vterminal_device);
|
|
|
367 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
|
|
|
368 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
|
|
|
369 }
|
|
|
370 else
|
|
|
371 {
|
|
|
372 /* Re-initialize the FILE fields of the console. */
|
|
|
373 stream_init_console (XCONSOLE (Vterminal_console), Qnil);
|
|
|
374 if (noninteractive)
|
|
|
375 event_stream_select_console (XCONSOLE (Vterminal_console));
|
|
|
376 }
|
|
|
377 }
|
|
|
378
|
|
|
379 #else
|
|
|
380
|
|
|
381 void
|
|
442
|
382 init_console_stream (int reinit)
|
|
428
|
383 {
|
|
|
384 /* This function can GC */
|
|
442
|
385 if (!reinit)
|
|
|
386 {
|
|
|
387 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
|
|
|
388 Vterminal_console = Fdevice_console (Vterminal_device);
|
|
|
389 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
|
|
|
390 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
|
|
|
391 }
|
|
428
|
392 if (initialized)
|
|
|
393 {
|
|
|
394 stream_init_console (XCONSOLE (Vterminal_console), Qnil);
|
|
|
395 if (noninteractive)
|
|
|
396 event_stream_select_console (XCONSOLE (Vterminal_console));
|
|
|
397 }
|
|
|
398 }
|
|
|
399 #endif
|
