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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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3 Copyright (C) 1996 Ben Wing.
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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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31 #include "console-stream.h"
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32 #include "console-tty.h"
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33 #include "events.h"
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34 #include "frame.h"
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35 #include "redisplay.h"
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36 #include "sysdep.h"
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37 #include "sysfile.h"
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38 #include "window.h"
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39
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40 DEFINE_CONSOLE_TYPE (stream);
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41
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42 Lisp_Object Vterminal_console;
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43 Lisp_Object Vterminal_device;
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44 Lisp_Object Vterminal_frame;
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45
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46 Lisp_Object Vstdio_str;
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47
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48 static void
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49 stream_init_console (struct console *con, Lisp_Object params)
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50 {
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51 Lisp_Object tty = CONSOLE_CONNECTION (con);
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52 struct stream_console *stream_con;
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53
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54 if (CONSOLE_STREAM_DATA (con) == NULL)
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55 CONSOLE_STREAM_DATA (con) = xnew (struct stream_console);
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56
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57 stream_con = CONSOLE_STREAM_DATA (con);
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58
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59 stream_con->needs_newline = 0;
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60
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61 /* Open the specified console */
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62 if (NILP (tty) || internal_equal (tty, Vstdio_str, 0))
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63 {
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64 stream_con->in = stdin;
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65 stream_con->out = stdout;
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66 stream_con->err = stderr;
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67 }
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68 else
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69 {
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70 CHECK_STRING (tty);
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71 stream_con->in = stream_con->out = stream_con->err =
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442
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72 /* #### We don't currently do coding-system translation on
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73 this descriptor. */
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74 fopen ((char *) XSTRING_DATA (tty), READ_PLUS_TEXT);
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428
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75 if (!stream_con->in)
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76 error ("Unable to open tty %s", XSTRING_DATA (tty));
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77 }
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78 }
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79
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80 static void
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81 stream_init_device (struct device *d, Lisp_Object params)
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82 {
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83 struct console *con = XCONSOLE (DEVICE_CONSOLE (d));
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84
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85 DEVICE_INFD (d) = fileno (CONSOLE_STREAM_DATA (con)->in);
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86 DEVICE_OUTFD (d) = fileno (CONSOLE_STREAM_DATA (con)->out);
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87 init_baud_rate (d);
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88 init_one_device (d);
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89 }
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90
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91 static int
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92 stream_initially_selected_for_input (struct console *con)
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93 {
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94 return noninteractive && initialized;
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95 }
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96
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97 extern int stdout_needs_newline;
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98
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99 static void
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100 stream_delete_console (struct console *con)
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101 {
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102 struct stream_console *stream_con = CONSOLE_STREAM_DATA (con);
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103 if (stream_con)
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104 {
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105 if (/* stream_con->needs_newline */
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106 stdout_needs_newline) /* #### clean this up */
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107 {
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108 fputc ('\n', stream_con->out);
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109 fflush (stream_con->out);
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110 }
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111 if (stream_con->in != stdin)
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112 fclose (stream_con->in);
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113
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114 xfree (stream_con);
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115 CONSOLE_STREAM_DATA (con) = NULL;
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116 }
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117 }
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118
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119 Lisp_Object
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120 stream_semi_canonicalize_console_connection (Lisp_Object connection,
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121 Error_behavior errb)
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122 {
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123 return NILP (connection) ? Vstdio_str : connection;
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124 }
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125
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126 Lisp_Object
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127 stream_canonicalize_console_connection (Lisp_Object connection,
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128 Error_behavior errb)
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129 {
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130 if (NILP (connection) || internal_equal (connection, Vstdio_str, 0))
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131 return Vstdio_str;
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132
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133 if (!ERRB_EQ (errb, ERROR_ME))
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134 {
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135 if (!STRINGP (connection))
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136 return Qunbound;
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137 }
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138 else
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139 CHECK_STRING (connection);
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140
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141 return Ffile_truename (connection, Qnil);
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142 }
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143
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144 Lisp_Object
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145 stream_semi_canonicalize_device_connection (Lisp_Object connection,
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146 Error_behavior errb)
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147 {
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148 return stream_semi_canonicalize_console_connection (connection, errb);
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149 }
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150
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151 Lisp_Object
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152 stream_canonicalize_device_connection (Lisp_Object connection,
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153 Error_behavior errb)
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154 {
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155 return stream_canonicalize_console_connection (connection, errb);
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156 }
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157
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158
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159 static void
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160 stream_init_frame_1 (struct frame *f, Lisp_Object props)
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161 {
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162 #if 0
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163 struct device *d = XDEVICE (FRAME_DEVICE (f));
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164 if (!NILP (DEVICE_FRAME_LIST (d)))
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165 error ("Only one frame allowed on stream devices");
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166 #endif
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167 f->name = build_string ("stream");
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168 f->height = 80;
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169 f->width = 24;
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170 f->visible = 0; /* so redisplay doesn't try to do anything */
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171 }
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172
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173
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174 static int
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175 stream_text_width (struct frame *f, struct face_cachel *cachel,
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442
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176 const Emchar *str, Charcount len)
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428
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177 {
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178 return len;
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179 }
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180
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181 static int
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182 stream_left_margin_width (struct window *w)
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183 {
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184 return 0;
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185 }
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186
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187 static int
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188 stream_right_margin_width (struct window *w)
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189 {
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190 return 0;
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191 }
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192
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193 static int
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194 stream_divider_height (void)
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195 {
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196 return 1;
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197 }
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198
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199 static int
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200 stream_eol_cursor_width (void)
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201 {
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202 return 1;
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203 }
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204
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205 static void
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206 stream_output_display_block (struct window *w, struct display_line *dl,
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207 int block, int start, int end,
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208 int start_pixpos, int cursor_start,
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209 int cursor_width, int cursor_height)
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210 {
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211 }
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212
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213 static void
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214 stream_clear_region (Lisp_Object window, struct device* d, struct frame * f,
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215 face_index findex, int x, int y,
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216 int width, int height, Lisp_Object fcolor, Lisp_Object bcolor,
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217 Lisp_Object background_pixmap)
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218 {
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219 }
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220
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221 static int
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222 stream_flash (struct device *d)
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223 {
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224 return 0; /* sorry can't do it */
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225 }
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226
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227 static void
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228 stream_ring_bell (struct device *d, int volume, int pitch, int duration)
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229 {
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230 struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
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231 fputc (07, CONSOLE_STREAM_DATA (c)->out);
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232 fflush (CONSOLE_STREAM_DATA (c)->out);
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233 }
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234
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235
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236 /************************************************************************/
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237 /* initialization */
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238 /************************************************************************/
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239
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240 void
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241 console_type_create_stream (void)
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242 {
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243 INITIALIZE_CONSOLE_TYPE (stream, "stream", "console-stream-p");
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244
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245 /* console methods */
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246 CONSOLE_HAS_METHOD (stream, init_console);
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247 CONSOLE_HAS_METHOD (stream, initially_selected_for_input);
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248 CONSOLE_HAS_METHOD (stream, delete_console);
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249 CONSOLE_HAS_METHOD (stream, canonicalize_console_connection);
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250 CONSOLE_HAS_METHOD (stream, canonicalize_device_connection);
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251 CONSOLE_HAS_METHOD (stream, semi_canonicalize_console_connection);
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252 CONSOLE_HAS_METHOD (stream, semi_canonicalize_device_connection);
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253
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254 /* device methods */
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255 CONSOLE_HAS_METHOD (stream, init_device);
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256
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257 /* frame methods */
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258 CONSOLE_HAS_METHOD (stream, init_frame_1);
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259
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260 /* redisplay methods */
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261 CONSOLE_HAS_METHOD (stream, left_margin_width);
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262 CONSOLE_HAS_METHOD (stream, right_margin_width);
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263 CONSOLE_HAS_METHOD (stream, text_width);
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264 CONSOLE_HAS_METHOD (stream, output_display_block);
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265 CONSOLE_HAS_METHOD (stream, divider_height);
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266 CONSOLE_HAS_METHOD (stream, eol_cursor_width);
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267 CONSOLE_HAS_METHOD (stream, clear_region);
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268 CONSOLE_HAS_METHOD (stream, flash);
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269 CONSOLE_HAS_METHOD (stream, ring_bell);
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270 }
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271
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272 void
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273 reinit_console_type_create_stream (void)
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274 {
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275 REINITIALIZE_CONSOLE_TYPE (stream);
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276 }
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277
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278 void
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279 vars_of_console_stream (void)
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280 {
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281 DEFVAR_LISP ("terminal-console", &Vterminal_console /*
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444
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282 The initial console object, which represents XEmacs' stdout.
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428
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283 */ );
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284 Vterminal_console = Qnil;
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285
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286 DEFVAR_LISP ("terminal-device", &Vterminal_device /*
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444
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287 The initial device object, which represents XEmacs' stdout.
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428
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288 */ );
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289 Vterminal_device = Qnil;
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290
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291 DEFVAR_LISP ("terminal-frame", &Vterminal_frame /*
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444
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292 The initial frame object, which represents XEmacs' stdout.
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428
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293 */ );
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294 Vterminal_frame = Qnil;
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295
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296 /* Moved from console-tty.c */
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297 Vstdio_str = build_string ("stdio");
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298 staticpro (&Vstdio_str);
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299 }
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300
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301 #ifndef PDUMP
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302 void
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442
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303 init_console_stream (int reinit)
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428
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304 {
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305 /* This function can GC */
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306 if (!initialized)
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307 {
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308 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
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309 Vterminal_console = Fdevice_console (Vterminal_device);
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310 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
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311 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
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312 }
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313 else
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314 {
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315 /* Re-initialize the FILE fields of the console. */
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316 stream_init_console (XCONSOLE (Vterminal_console), Qnil);
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317 if (noninteractive)
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318 event_stream_select_console (XCONSOLE (Vterminal_console));
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319 }
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320 }
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321
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322 #else
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323
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324 void
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442
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325 init_console_stream (int reinit)
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428
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326 {
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327 /* This function can GC */
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442
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328 if (!reinit)
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329 {
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330 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
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331 Vterminal_console = Fdevice_console (Vterminal_device);
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332 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
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333 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
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334 }
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428
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335 if (initialized)
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336 {
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337 stream_init_console (XCONSOLE (Vterminal_console), Qnil);
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338 if (noninteractive)
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339 event_stream_select_console (XCONSOLE (Vterminal_console));
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340 }
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341 }
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342 #endif
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