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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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771
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3 Copyright (C) 1996, 2001 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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51 static void
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52 stream_init_console (struct console *con, Lisp_Object params)
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53 {
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54 Lisp_Object tty = CONSOLE_CONNECTION (con);
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55 struct stream_console *stream_con;
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56
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57 if (CONSOLE_STREAM_DATA (con) == NULL)
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58 CONSOLE_STREAM_DATA (con) = xnew (struct stream_console);
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59
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60 stream_con = CONSOLE_STREAM_DATA (con);
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61
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62 stream_con->needs_newline = 0;
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63
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64 /* Open the specified console */
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65 if (NILP (tty) || internal_equal (tty, Vstdio_str, 0))
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66 {
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67 stream_con->in = stdin;
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68 stream_con->out = stdout;
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69 stream_con->err = stderr;
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70 }
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71 else
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72 {
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73 CHECK_STRING (tty);
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74 stream_con->in = stream_con->out = stream_con->err =
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442
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75 /* #### We don't currently do coding-system translation on
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76 this descriptor. */
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771
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77 qxe_fopen (XSTRING_DATA (tty), READ_PLUS_TEXT);
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428
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78 if (!stream_con->in)
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563
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79 signal_error (Qio_error, "Unable to open tty", tty);
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428
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80 }
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81 }
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82
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83 static void
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84 stream_init_device (struct device *d, Lisp_Object params)
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85 {
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86 struct console *con = XCONSOLE (DEVICE_CONSOLE (d));
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87
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88 DEVICE_INFD (d) = fileno (CONSOLE_STREAM_DATA (con)->in);
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89 DEVICE_OUTFD (d) = fileno (CONSOLE_STREAM_DATA (con)->out);
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90 init_baud_rate (d);
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91 init_one_device (d);
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92 }
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93
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94 static int
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95 stream_initially_selected_for_input (struct console *con)
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96 {
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97 return noninteractive && initialized;
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98 }
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99
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100 extern int stdout_needs_newline;
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101
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102 static void
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103 stream_delete_console (struct console *con)
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104 {
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105 struct stream_console *stream_con = CONSOLE_STREAM_DATA (con);
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106 if (stream_con)
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107 {
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108 if (/* stream_con->needs_newline */
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109 stdout_needs_newline) /* #### clean this up */
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110 {
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111 fputc ('\n', stream_con->out);
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112 fflush (stream_con->out);
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113 }
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114 if (stream_con->in != stdin)
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771
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115 retry_fclose (stream_con->in);
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428
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116
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117 xfree (stream_con);
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118 CONSOLE_STREAM_DATA (con) = NULL;
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119 }
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120 }
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121
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122 Lisp_Object
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123 stream_semi_canonicalize_console_connection (Lisp_Object connection,
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578
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124 Error_Behavior errb)
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428
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125 {
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126 return NILP (connection) ? Vstdio_str : connection;
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127 }
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128
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129 Lisp_Object
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130 stream_canonicalize_console_connection (Lisp_Object connection,
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578
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131 Error_Behavior errb)
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428
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132 {
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133 if (NILP (connection) || internal_equal (connection, Vstdio_str, 0))
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134 return Vstdio_str;
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135
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136 if (!ERRB_EQ (errb, ERROR_ME))
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137 {
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138 if (!STRINGP (connection))
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139 return Qunbound;
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140 }
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141 else
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142 CHECK_STRING (connection);
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143
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144 return Ffile_truename (connection, Qnil);
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145 }
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146
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147 Lisp_Object
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148 stream_semi_canonicalize_device_connection (Lisp_Object connection,
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578
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149 Error_Behavior errb)
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428
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150 {
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151 return stream_semi_canonicalize_console_connection (connection, errb);
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152 }
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153
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154 Lisp_Object
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155 stream_canonicalize_device_connection (Lisp_Object connection,
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578
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156 Error_Behavior errb)
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428
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157 {
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158 return stream_canonicalize_console_connection (connection, errb);
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159 }
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160
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161
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162 static void
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771
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163 stream_init_frame_1 (struct frame *f, Lisp_Object props,
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164 int frame_name_is_defaulted)
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428
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165 {
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166 #if 0
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167 struct device *d = XDEVICE (FRAME_DEVICE (f));
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168 if (!NILP (DEVICE_FRAME_LIST (d)))
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563
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169 invalid_operation ("Only one frame allowed on stream devices", Qunbound);
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428
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170 #endif
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771
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171 if (frame_name_is_defaulted)
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172 f->name = build_string ("stream");
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428
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173 f->height = 80;
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174 f->width = 24;
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175 f->visible = 0; /* so redisplay doesn't try to do anything */
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176 }
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177
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178
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179 static int
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180 stream_text_width (struct frame *f, struct face_cachel *cachel,
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867
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181 const Ichar *str, Charcount len)
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428
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182 {
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183 return len;
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184 }
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185
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186 static int
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187 stream_left_margin_width (struct window *w)
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188 {
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189 return 0;
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190 }
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191
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192 static int
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193 stream_right_margin_width (struct window *w)
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194 {
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195 return 0;
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196 }
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197
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198 static int
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199 stream_divider_height (void)
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200 {
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201 return 1;
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202 }
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203
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204 static int
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205 stream_eol_cursor_width (void)
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206 {
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207 return 1;
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208 }
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209
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210 static void
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211 stream_output_display_block (struct window *w, struct display_line *dl,
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212 int block, int start, int end,
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213 int start_pixpos, int cursor_start,
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214 int cursor_width, int cursor_height)
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215 {
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216 }
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217
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218 static void
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219 stream_clear_region (Lisp_Object window, struct device* d, struct frame * f,
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826
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220 face_index findex, int x, int y,
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221 int width, int height, Lisp_Object fcolor,
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222 Lisp_Object bcolor, Lisp_Object background_pixmap)
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428
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223 {
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224 }
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225
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226 static int
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227 stream_flash (struct device *d)
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228 {
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229 return 0; /* sorry can't do it */
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230 }
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231
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232 static void
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233 stream_ring_bell (struct device *d, int volume, int pitch, int duration)
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234 {
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235 struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
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826
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236 /* Don't output ^G when not a TTY -- in particular, under MS Windows, ^G
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237 is interpreted as bell by the console, but not when running under
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238 VC++. Probably this would be the same under Unix. */
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239 if (isatty (fileno (CONSOLE_STREAM_DATA (c)->out)))
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240 {
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241 fputc (07, CONSOLE_STREAM_DATA (c)->out);
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242 fflush (CONSOLE_STREAM_DATA (c)->out);
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243 }
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428
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244 }
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245
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246
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247 /************************************************************************/
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248 /* initialization */
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249 /************************************************************************/
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250
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251 void
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252 console_type_create_stream (void)
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253 {
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254 INITIALIZE_CONSOLE_TYPE (stream, "stream", "console-stream-p");
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255
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256 /* console methods */
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257 CONSOLE_HAS_METHOD (stream, init_console);
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258 CONSOLE_HAS_METHOD (stream, initially_selected_for_input);
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259 CONSOLE_HAS_METHOD (stream, delete_console);
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260 CONSOLE_HAS_METHOD (stream, canonicalize_console_connection);
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261 CONSOLE_HAS_METHOD (stream, canonicalize_device_connection);
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262 CONSOLE_HAS_METHOD (stream, semi_canonicalize_console_connection);
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263 CONSOLE_HAS_METHOD (stream, semi_canonicalize_device_connection);
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264
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265 /* device methods */
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266 CONSOLE_HAS_METHOD (stream, init_device);
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267
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268 /* frame methods */
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269 CONSOLE_HAS_METHOD (stream, init_frame_1);
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270
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271 /* redisplay methods */
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272 CONSOLE_HAS_METHOD (stream, left_margin_width);
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273 CONSOLE_HAS_METHOD (stream, right_margin_width);
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274 CONSOLE_HAS_METHOD (stream, text_width);
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275 CONSOLE_HAS_METHOD (stream, output_display_block);
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276 CONSOLE_HAS_METHOD (stream, divider_height);
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277 CONSOLE_HAS_METHOD (stream, eol_cursor_width);
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278 CONSOLE_HAS_METHOD (stream, clear_region);
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279 CONSOLE_HAS_METHOD (stream, flash);
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280 CONSOLE_HAS_METHOD (stream, ring_bell);
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281 }
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282
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283 void
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284 reinit_console_type_create_stream (void)
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285 {
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286 REINITIALIZE_CONSOLE_TYPE (stream);
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287 }
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288
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289 void
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290 vars_of_console_stream (void)
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291 {
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292 DEFVAR_LISP ("terminal-console", &Vterminal_console /*
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444
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293 The initial console object, which represents XEmacs' stdout.
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428
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294 */ );
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295 Vterminal_console = Qnil;
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296
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297 DEFVAR_LISP ("terminal-device", &Vterminal_device /*
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444
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298 The initial device object, which represents XEmacs' stdout.
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428
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299 */ );
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300 Vterminal_device = Qnil;
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301
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302 DEFVAR_LISP ("terminal-frame", &Vterminal_frame /*
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444
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303 The initial frame object, which represents XEmacs' stdout.
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428
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304 */ );
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305 Vterminal_frame = Qnil;
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306
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307 /* Moved from console-tty.c */
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308 Vstdio_str = build_string ("stdio");
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309 staticpro (&Vstdio_str);
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310 }
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311
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312 #ifndef PDUMP
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313 void
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442
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314 init_console_stream (int reinit)
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428
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315 {
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316 /* This function can GC */
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317 if (!initialized)
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318 {
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319 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
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320 Vterminal_console = Fdevice_console (Vterminal_device);
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321 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
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322 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
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323 }
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324 else
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325 {
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326 /* Re-initialize the FILE fields of the console. */
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327 stream_init_console (XCONSOLE (Vterminal_console), Qnil);
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328 if (noninteractive)
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329 event_stream_select_console (XCONSOLE (Vterminal_console));
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330 }
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331 }
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332
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333 #else
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334
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335 void
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442
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336 init_console_stream (int reinit)
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428
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337 {
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338 /* This function can GC */
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442
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339 if (!reinit)
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340 {
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341 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil);
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342 Vterminal_console = Fdevice_console (Vterminal_device);
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343 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device);
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344 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window;
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345 }
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428
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346 if (initialized)
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347 {
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348 stream_init_console (XCONSOLE (Vterminal_console), Qnil);
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349 if (noninteractive)
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350 event_stream_select_console (XCONSOLE (Vterminal_console));
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351 }
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352 }
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353 #endif
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