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428
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1 /* The console object.
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2 Copyright (C) 1992, 1993, 1994 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 /* Written by Ben Wing. */
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25
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26 #include <config.h>
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27 #include "lisp.h"
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28
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29 #include "buffer.h"
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30 #include "console-tty.h"
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31 #include "events.h"
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32 #include "frame.h"
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33 #include "redisplay.h"
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34 #include "sysdep.h"
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35 #include "window.h"
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36
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37 Lisp_Object Vconsole_list, Vselected_console;
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38
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39 Lisp_Object Vcreate_console_hook, Vdelete_console_hook;
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40
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41 Lisp_Object Qconsolep, Qconsole_live_p;
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42 Lisp_Object Qcreate_console_hook;
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43 Lisp_Object Qdelete_console_hook;
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44
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45 Lisp_Object Qsuspend_hook;
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46 Lisp_Object Qsuspend_resume_hook;
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47
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48 /* This structure holds the default values of the console-local
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49 variables defined with DEFVAR_CONSOLE_LOCAL, that have special
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50 slots in each console. The default value occupies the same slot
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51 in this structure as an individual console's value occupies in
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52 that console. Setting the default value also goes through the
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53 list of consoles and stores into each console that does not say
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54 it has a local value. */
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55 Lisp_Object Vconsole_defaults;
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56 static void *console_defaults_saved_slots;
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57
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58 /* This structure marks which slots in a console have corresponding
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59 default values in console_defaults.
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60 Each such slot has a nonzero value in this structure.
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61 The value has only one nonzero bit.
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62
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63 When a console has its own local value for a slot,
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64 the bit for that slot (found in the same slot in this structure)
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65 is turned on in the console's local_var_flags slot.
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66
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67 If a slot in this structure is 0, then there is a DEFVAR_CONSOLE_LOCAL
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68 for the slot, but there is no default value for it; the corresponding
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69 slot in console_defaults is not used except to initialize newly-created
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70 consoles.
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71
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72 If a slot is -1, then there is a DEFVAR_CONSOLE_LOCAL for it
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73 as well as a default value which is used to initialize newly-created
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74 consoles and as a reset-value when local-vars are killed.
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75
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76 If a slot is -2, there is no DEFVAR_CONSOLE_LOCAL for it.
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77 (The slot is always local, but there's no lisp variable for it.)
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78 The default value is only used to initialize newly-creation consoles.
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79
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80 If a slot is -3, then there is no DEFVAR_CONSOLE_LOCAL for it but
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81 there is a default which is used to initialize newly-creation
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82 consoles and as a reset-value when local-vars are killed.
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83
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84
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85 */
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86 struct console console_local_flags;
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87
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88 /* This structure holds the names of symbols whose values may be
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89 console-local. It is indexed and accessed in the same way as the above. */
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90 static Lisp_Object Vconsole_local_symbols;
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91 static void *console_local_symbols_saved_slots;
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92
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93 DEFINE_CONSOLE_TYPE (dead);
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94
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95 Lisp_Object Vconsole_type_list;
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96
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97 console_type_entry_dynarr *the_console_type_entry_dynarr;
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98
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99
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100 static Lisp_Object
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101 mark_console (Lisp_Object obj)
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102 {
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103 struct console *con = XCONSOLE (obj);
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104
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105 #define MARKED_SLOT(x) mark_object (con->x)
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106 #include "conslots.h"
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107 #undef MARKED_SLOT
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108
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109 /* Can be zero for Vconsole_defaults, Vconsole_local_symbols */
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110 if (con->conmeths)
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111 {
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112 mark_object (con->conmeths->symbol);
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113 MAYBE_CONMETH (con, mark_console, (con));
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114 }
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115
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116 return Qnil;
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117 }
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118
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119 static void
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120 print_console (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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121 {
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122 struct console *con = XCONSOLE (obj);
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123 char buf[256];
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124
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125 if (print_readably)
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126 error ("printing unreadable object #<console %s 0x%x>",
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127 XSTRING_DATA (con->name), con->header.uid);
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128
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129 sprintf (buf, "#<%s-console", !CONSOLE_LIVE_P (con) ? "dead" :
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130 CONSOLE_TYPE_NAME (con));
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131 write_c_string (buf, printcharfun);
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440
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132 if (CONSOLE_LIVE_P (con) && !NILP (CONSOLE_CONNECTION (con)))
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428
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133 {
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134 write_c_string (" on ", printcharfun);
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135 print_internal (CONSOLE_CONNECTION (con), printcharfun, 1);
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136 }
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137 sprintf (buf, " 0x%x>", con->header.uid);
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138 write_c_string (buf, printcharfun);
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139 }
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140
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141 DEFINE_LRECORD_IMPLEMENTATION ("console", console,
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142 mark_console, print_console, 0, 0, 0, 0,
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143 struct console);
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144
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145 static struct console *
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146 allocate_console (void)
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147 {
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148 Lisp_Object console;
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149 struct console *con = alloc_lcrecord_type (struct console, &lrecord_console);
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150 struct gcpro gcpro1;
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151
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152 copy_lcrecord (con, XCONSOLE (Vconsole_defaults));
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153
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154 XSETCONSOLE (console, con);
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155 GCPRO1 (console);
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156
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157 con->quit_char = 7; /* C-g */
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158 con->command_builder = allocate_command_builder (console);
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159 con->function_key_map = Fmake_sparse_keymap (Qnil);
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160
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161 UNGCPRO;
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162 return con;
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163 }
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164
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165 struct console *
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166 decode_console (Lisp_Object console)
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167 {
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168 if (NILP (console))
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169 console = Fselected_console ();
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170 /* quietly accept devices and frames for the console arg */
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171 if (DEVICEP (console) || FRAMEP (console))
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172 console = DEVICE_CONSOLE (decode_device (console));
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173 CHECK_LIVE_CONSOLE (console);
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174 return XCONSOLE (console);
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175 }
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176
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177
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178 struct console_methods *
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179 decode_console_type (Lisp_Object type, Error_behavior errb)
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180 {
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181 int i;
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182
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183 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
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184 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol))
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185 return Dynarr_at (the_console_type_entry_dynarr, i).meths;
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186
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187 maybe_signal_simple_error ("Invalid console type", type, Qconsole, errb);
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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 int
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193 valid_console_type_p (Lisp_Object type)
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194 {
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195 return decode_console_type (type, ERROR_ME_NOT) != 0;
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196 }
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197
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198 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /*
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199 Given a CONSOLE-TYPE, return t if it is valid.
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200 Valid types are 'x, 'tty, and 'stream.
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201 */
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202 (console_type))
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203 {
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204 return valid_console_type_p (console_type) ? Qt : Qnil;
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205 }
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206
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207 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /*
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208 Return a list of valid console types.
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209 */
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210 ())
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211 {
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212 return Fcopy_sequence (Vconsole_type_list);
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213 }
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214
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215 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /*
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216 Given a console, device, frame, or window, return the associated console.
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217 Return nil otherwise.
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218 */
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219 (obj))
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220 {
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221 return CDFW_CONSOLE (obj);
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222 }
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223
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224
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225 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /*
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226 Return the console which is currently active.
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227 */
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228 ())
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|
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229 {
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230 return Vselected_console;
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231 }
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232
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233 /* Called from selected_device_1(), called from selected_frame_1(),
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234 called from Fselect_window() */
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235 void
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236 select_console_1 (Lisp_Object console)
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237 {
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|
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238 /* perhaps this should do something more complicated */
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239 Vselected_console = console;
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240
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|
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241 /* #### Schedule this to be removed in 19.14 */
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242 #ifdef HAVE_X_WINDOWS
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243 if (CONSOLE_X_P (XCONSOLE (console)))
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244 Vwindow_system = Qx;
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245 else
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246 #endif
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247 #ifdef HAVE_MS_WINDOWS
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248 if (CONSOLE_MSWINDOWS_P (XCONSOLE (console)))
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249 Vwindow_system = Qmswindows;
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250 else
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251 #endif
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252 Vwindow_system = Qnil;
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253 }
|
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254
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255 DEFUN ("select-console", Fselect_console, 1, 1, 0, /*
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256 Select the console CONSOLE.
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257 Subsequent editing commands apply to its selected device, selected frame,
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258 and selected window. The selection of CONSOLE lasts until the next time
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259 the user does something to select a different console, or until the next
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260 time this function is called.
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261 */
|
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262 (console))
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|
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263 {
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264 Lisp_Object device;
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265
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266 CHECK_LIVE_CONSOLE (console);
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267
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268 device = CONSOLE_SELECTED_DEVICE (XCONSOLE (console));
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269 if (!NILP (device))
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270 {
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|
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271 struct device *d = XDEVICE (device);
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272 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
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273 if (!NILP (frame))
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274 {
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275 struct frame *f = XFRAME(frame);
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276 Fselect_window (FRAME_SELECTED_WINDOW (f), Qnil);
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277 }
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278 else
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279 error ("Can't select console with no frames.");
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280 }
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281 else
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282 error ("Can't select a console with no devices");
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|
|
283 return Qnil;
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|
|
284 }
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285
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286 void
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287 set_console_last_nonminibuf_frame (struct console *con,
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288 Lisp_Object frame)
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|
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289 {
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290 con->last_nonminibuf_frame = frame;
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291 }
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292
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293 DEFUN ("consolep", Fconsolep, 1, 1, 0, /*
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294 Return non-nil if OBJECT is a console.
|
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|
295 */
|
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|
296 (object))
|
|
|
297 {
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|
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298 return CONSOLEP (object) ? Qt : Qnil;
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|
|
299 }
|
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300
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|
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301 DEFUN ("console-live-p", Fconsole_live_p, 1, 1, 0, /*
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302 Return non-nil if OBJECT is a console that has not been deleted.
|
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|
303 */
|
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304 (object))
|
|
|
305 {
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|
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306 return CONSOLEP (object) && CONSOLE_LIVE_P (XCONSOLE (object)) ? Qt : Qnil;
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|
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307 }
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308
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309 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /*
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310 Return the type of the specified console (e.g. `x' or `tty').
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311 Value is `tty' for a tty console (a character-only terminal),
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312 `x' for a console that is an X display,
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313 `mswindows' for a console that is a Windows NT/95/97 connection,
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314 `pc' for a console that is a direct-write MS-DOS connection (not yet
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315 implemented),
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316 `stream' for a stream console (which acts like a stdio stream), and
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317 `dead' for a deleted console.
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318 */
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|
319 (console))
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|
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320 {
|
|
|
321 /* don't call decode_console() because we want to allow for dead
|
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322 consoles. */
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|
323 if (NILP (console))
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324 console = Fselected_console ();
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|
325 CHECK_CONSOLE (console);
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|
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326 return CONSOLE_TYPE (XCONSOLE (console));
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|
|
327 }
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|
|
328
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|
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329 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /*
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|
|
330 Return the name of the specified console.
|
|
|
331 */
|
|
|
332 (console))
|
|
|
333 {
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|
|
334 return CONSOLE_NAME (decode_console (console));
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|
|
335 }
|
|
|
336
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|
|
337 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /*
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|
338 Return the connection of the specified console.
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|
|
339 CONSOLE defaults to the selected console if omitted.
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|
|
340 */
|
|
|
341 (console))
|
|
|
342 {
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|
|
343 return CONSOLE_CONNECTION (decode_console (console));
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|
|
344 }
|
|
|
345
|
|
|
346 Lisp_Object
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|
|
347 make_console (struct console *con)
|
|
|
348 {
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|
|
349 Lisp_Object console;
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|
|
350 XSETCONSOLE (console, con);
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|
|
351 return console;
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|
|
352 }
|
|
|
353
|
|
|
354 static Lisp_Object
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|
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355 semi_canonicalize_console_connection (struct console_methods *meths,
|
|
|
356 Lisp_Object name, Error_behavior errb)
|
|
|
357 {
|
|
440
|
358 if (HAS_CONTYPE_METH_P (meths, semi_canonicalize_console_connection))
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|
|
359 return CONTYPE_METH (meths, semi_canonicalize_console_connection,
|
|
|
360 (name, errb));
|
|
|
361 else
|
|
|
362 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection,
|
|
|
363 (name, errb), name);
|
|
428
|
364 }
|
|
|
365
|
|
|
366 static Lisp_Object
|
|
|
367 canonicalize_console_connection (struct console_methods *meths,
|
|
|
368 Lisp_Object name, Error_behavior errb)
|
|
|
369 {
|
|
440
|
370 if (HAS_CONTYPE_METH_P (meths, canonicalize_console_connection))
|
|
|
371 return CONTYPE_METH (meths, canonicalize_console_connection,
|
|
|
372 (name, errb));
|
|
|
373 else
|
|
|
374 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection,
|
|
|
375 (name, errb), name);
|
|
428
|
376 }
|
|
|
377
|
|
|
378 static Lisp_Object
|
|
|
379 find_console_of_type (struct console_methods *meths, Lisp_Object canon)
|
|
|
380 {
|
|
|
381 Lisp_Object concons;
|
|
|
382
|
|
|
383 CONSOLE_LOOP (concons)
|
|
|
384 {
|
|
|
385 Lisp_Object console = XCAR (concons);
|
|
|
386
|
|
|
387 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console)))
|
|
|
388 && internal_equal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)),
|
|
|
389 canon, 0))
|
|
|
390 return console;
|
|
|
391 }
|
|
|
392
|
|
|
393 return Qnil;
|
|
|
394 }
|
|
|
395
|
|
|
396 DEFUN ("find-console", Ffind_console, 1, 2, 0, /*
|
|
|
397 Look for an existing console attached to connection CONNECTION.
|
|
|
398 Return the console if found; otherwise, return nil.
|
|
|
399
|
|
|
400 If TYPE is specified, only return consoles of that type; otherwise,
|
|
|
401 return consoles of any type. (It is possible, although unlikely,
|
|
|
402 that two consoles of different types could have the same connection
|
|
|
403 name; in such a case, the first console found is returned.)
|
|
|
404 */
|
|
|
405 (connection, type))
|
|
|
406 {
|
|
|
407 Lisp_Object canon = Qnil;
|
|
|
408 struct gcpro gcpro1;
|
|
|
409
|
|
|
410 GCPRO1 (canon);
|
|
|
411
|
|
|
412 if (!NILP (type))
|
|
|
413 {
|
|
|
414 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
|
|
|
415 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
416 ERROR_ME_NOT);
|
|
|
417 if (UNBOUNDP (canon))
|
|
|
418 RETURN_UNGCPRO (Qnil);
|
|
|
419
|
|
|
420 RETURN_UNGCPRO (find_console_of_type (conmeths, canon));
|
|
|
421 }
|
|
|
422 else
|
|
|
423 {
|
|
|
424 int i;
|
|
|
425
|
|
|
426 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
427 {
|
|
|
428 struct console_methods *conmeths =
|
|
|
429 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
|
430 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
431 ERROR_ME_NOT);
|
|
|
432 if (!UNBOUNDP (canon))
|
|
|
433 {
|
|
|
434 Lisp_Object console = find_console_of_type (conmeths, canon);
|
|
|
435 if (!NILP (console))
|
|
|
436 RETURN_UNGCPRO (console);
|
|
|
437 }
|
|
|
438 }
|
|
|
439
|
|
|
440 RETURN_UNGCPRO (Qnil);
|
|
|
441 }
|
|
|
442 }
|
|
|
443
|
|
|
444 DEFUN ("get-console", Fget_console, 1, 2, 0, /*
|
|
|
445 Look for an existing console attached to connection CONNECTION.
|
|
|
446 Return the console if found; otherwise, signal an error.
|
|
|
447
|
|
|
448 If TYPE is specified, only return consoles of that type; otherwise,
|
|
|
449 return consoles of any type. (It is possible, although unlikely,
|
|
|
450 that two consoles of different types could have the same connection
|
|
|
451 name; in such a case, the first console found is returned.)
|
|
|
452 */
|
|
|
453 (connection, type))
|
|
|
454 {
|
|
|
455 Lisp_Object console = Ffind_console (connection, type);
|
|
|
456 if (NILP (console))
|
|
|
457 {
|
|
|
458 if (NILP (type))
|
|
|
459 signal_simple_error ("No such console", connection);
|
|
|
460 else
|
|
|
461 signal_simple_error_2 ("No such console", type, connection);
|
|
|
462 }
|
|
|
463 return console;
|
|
|
464 }
|
|
|
465
|
|
|
466 Lisp_Object
|
|
|
467 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection,
|
|
|
468 Lisp_Object props)
|
|
|
469 {
|
|
|
470 /* This function can GC */
|
|
|
471 struct console *con;
|
|
|
472 Lisp_Object console;
|
|
|
473 struct gcpro gcpro1;
|
|
|
474
|
|
|
475 console = Ffind_console (connection, type);
|
|
|
476 if (!NILP (console))
|
|
|
477 return console;
|
|
|
478
|
|
|
479 con = allocate_console ();
|
|
|
480 XSETCONSOLE (console, con);
|
|
|
481
|
|
|
482 GCPRO1 (console);
|
|
|
483
|
|
|
484 con->conmeths = decode_console_type (type, ERROR_ME);
|
|
|
485
|
|
|
486 CONSOLE_NAME (con) = name;
|
|
|
487 CONSOLE_CONNECTION (con) =
|
|
|
488 semi_canonicalize_console_connection (con->conmeths, connection,
|
|
|
489 ERROR_ME);
|
|
|
490 CONSOLE_CANON_CONNECTION (con) =
|
|
|
491 canonicalize_console_connection (con->conmeths, connection,
|
|
|
492 ERROR_ME);
|
|
|
493
|
|
|
494 MAYBE_CONMETH (con, init_console, (con, props));
|
|
|
495
|
|
|
496 /* Do it this way so that the console list is in order of creation */
|
|
|
497 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil));
|
|
|
498
|
|
440
|
499 if (CONMETH_OR_GIVEN (con, initially_selected_for_input, (con), 0))
|
|
428
|
500 event_stream_select_console (con);
|
|
|
501
|
|
|
502 UNGCPRO;
|
|
|
503 return console;
|
|
|
504 }
|
|
|
505
|
|
|
506 void
|
|
|
507 add_entry_to_console_type_list (Lisp_Object symbol,
|
|
|
508 struct console_methods *meths)
|
|
|
509 {
|
|
|
510 struct console_type_entry entry;
|
|
|
511
|
|
|
512 entry.symbol = symbol;
|
|
|
513 entry.meths = meths;
|
|
|
514 Dynarr_add (the_console_type_entry_dynarr, entry);
|
|
|
515 Vconsole_type_list = Fcons (symbol, Vconsole_type_list);
|
|
|
516 }
|
|
|
517
|
|
|
518 /* find a console other than the selected one. Prefer non-stream
|
|
|
519 consoles over stream consoles. */
|
|
|
520
|
|
|
521 static Lisp_Object
|
|
|
522 find_other_console (Lisp_Object console)
|
|
|
523 {
|
|
|
524 Lisp_Object concons;
|
|
|
525
|
|
|
526 /* look for a non-stream console */
|
|
|
527 CONSOLE_LOOP (concons)
|
|
|
528 {
|
|
|
529 Lisp_Object con = XCAR (concons);
|
|
|
530 if (!CONSOLE_STREAM_P (XCONSOLE (con))
|
|
|
531 && !EQ (con, console)
|
|
|
532 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
|
533 && !NILP (DEVICE_SELECTED_FRAME
|
|
|
534 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
535 break;
|
|
|
536 }
|
|
|
537 if (!NILP (concons))
|
|
|
538 return XCAR (concons);
|
|
|
539
|
|
|
540 /* OK, now look for a stream console */
|
|
|
541 CONSOLE_LOOP (concons)
|
|
|
542 {
|
|
|
543 Lisp_Object con = XCAR (concons);
|
|
|
544 if (!EQ (con, console)
|
|
|
545 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
|
546 && !NILP (DEVICE_SELECTED_FRAME
|
|
|
547 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
548 break;
|
|
|
549 }
|
|
|
550 if (!NILP (concons))
|
|
|
551 return XCAR (concons);
|
|
|
552
|
|
|
553 /* Sorry, there ain't none */
|
|
|
554 return Qnil;
|
|
|
555 }
|
|
|
556
|
|
|
557 static int
|
|
|
558 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame,
|
|
|
559 void *closure)
|
|
|
560 {
|
|
|
561 Lisp_Object console;
|
|
|
562
|
|
|
563 VOID_TO_LISP (console, closure);
|
|
|
564 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
|
565 return 0;
|
|
|
566 if (EQ (console, FRAME_CONSOLE (XFRAME (frame))))
|
|
|
567 return 0;
|
|
|
568 return 1;
|
|
|
569 }
|
|
|
570
|
|
|
571 static Lisp_Object
|
|
|
572 find_nonminibuffer_frame_not_on_console (Lisp_Object console)
|
|
|
573 {
|
|
|
574 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate,
|
|
|
575 LISP_TO_VOID (console));
|
|
|
576 }
|
|
|
577
|
|
|
578 /* Delete console CON.
|
|
|
579
|
|
|
580 If FORCE is non-zero, allow deletion of the only frame.
|
|
|
581
|
|
|
582 If CALLED_FROM_KILL_EMACS is non-zero, then, if
|
|
|
583 deleting the last console, just delete it,
|
|
|
584 instead of calling `save-buffers-kill-emacs'.
|
|
|
585
|
|
|
586 If FROM_IO_ERROR is non-zero, then the console is gone due
|
|
|
587 to an I/O error. This affects what happens if we exit
|
|
|
588 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
|
589 */
|
|
|
590
|
|
|
591 void
|
|
|
592 delete_console_internal (struct console *con, int force,
|
|
|
593 int called_from_kill_emacs, int from_io_error)
|
|
|
594 {
|
|
|
595 /* This function can GC */
|
|
|
596 Lisp_Object console;
|
|
|
597 struct gcpro gcpro1;
|
|
|
598
|
|
|
599 /* OK to delete an already-deleted console. */
|
|
|
600 if (!CONSOLE_LIVE_P (con))
|
|
|
601 return;
|
|
|
602
|
|
|
603 XSETCONSOLE (console, con);
|
|
|
604 GCPRO1 (console);
|
|
|
605
|
|
|
606 if (!called_from_kill_emacs)
|
|
|
607 {
|
|
|
608 int down_we_go = 0;
|
|
|
609
|
|
|
610 if ((XINT (Flength (Vconsole_list)) == 1)
|
|
|
611 /* if we just created the console, it might not be listed,
|
|
|
612 or something ... */
|
|
|
613 && !NILP (memq_no_quit (console, Vconsole_list)))
|
|
|
614 down_we_go = 1;
|
|
|
615 /* If there aren't any nonminibuffer frames that would
|
|
|
616 be left, then exit. */
|
|
|
617 else if (NILP (find_nonminibuffer_frame_not_on_console (console)))
|
|
|
618 down_we_go = 1;
|
|
|
619
|
|
|
620 if (down_we_go)
|
|
|
621 {
|
|
|
622 if (!force)
|
|
|
623 error ("Attempt to delete the only frame");
|
|
|
624 else if (from_io_error)
|
|
|
625 {
|
|
|
626 /* Mayday mayday! We're going down! */
|
|
|
627 stderr_out (" Autosaving and exiting...\n");
|
|
|
628 Vwindow_system = Qnil; /* let it lie! */
|
|
|
629 preparing_for_armageddon = 1;
|
|
|
630 Fkill_emacs (make_int (70));
|
|
|
631 }
|
|
|
632 else
|
|
|
633 {
|
|
|
634 call0 (Qsave_buffers_kill_emacs);
|
|
|
635 UNGCPRO;
|
|
|
636 /* If we get here, the user said they didn't want
|
|
|
637 to exit, so don't. */
|
|
|
638 return;
|
|
|
639 }
|
|
|
640 }
|
|
|
641 }
|
|
|
642
|
|
|
643 /* Breathe a sigh of relief. We're still alive. */
|
|
|
644
|
|
|
645 {
|
|
|
646 Lisp_Object frmcons, devcons;
|
|
|
647
|
|
|
648 /* First delete all frames without their own minibuffers,
|
|
|
649 to avoid errors coming from attempting to delete a frame
|
|
|
650 that is a surrogate for another frame.
|
|
|
651
|
|
|
652 We don't set "called_from_delete_console" because we want the
|
|
|
653 device to go ahead and get deleted if we delete the last frame
|
|
|
654 on a device. We won't run into trouble here because for any
|
|
|
655 frame without a minibuffer, there has to be another one on
|
|
|
656 the same console with a minibuffer, and we're not deleting that,
|
|
|
657 so delete_console_internal() won't get recursively called.
|
|
|
658
|
|
|
659 WRONG! With surrogate minibuffers this isn't true. Frames
|
|
|
660 with only a minibuffer are not enough to prevent
|
|
|
661 delete_frame_internal from triggering a device deletion. */
|
|
|
662 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con)
|
|
|
663 {
|
|
|
664 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
665 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
666 so be defensive. */
|
|
|
667 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
|
668 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
669
|
|
|
670 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
671 go ahead and delete anything */
|
|
|
672 {
|
|
|
673 UNGCPRO;
|
|
|
674 return;
|
|
|
675 }
|
|
|
676 }
|
|
|
677
|
|
|
678 CONSOLE_DEVICE_LOOP (devcons, con)
|
|
|
679 {
|
|
|
680 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
681 /* delete_device_internal() might do anything such as run hooks,
|
|
|
682 so be defensive. */
|
|
|
683 if (DEVICE_LIVE_P (d))
|
|
|
684 delete_device_internal (d, 1, 1, from_io_error);
|
|
|
685 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
686 go ahead and delete anything */
|
|
|
687 {
|
|
|
688 UNGCPRO;
|
|
|
689 return;
|
|
|
690 }
|
|
|
691 }
|
|
|
692 }
|
|
|
693
|
|
|
694 CONSOLE_SELECTED_DEVICE (con) = Qnil;
|
|
|
695
|
|
|
696 /* try to select another console */
|
|
|
697
|
|
|
698 if (EQ (console, Fselected_console ()))
|
|
|
699 {
|
|
|
700 Lisp_Object other_dev = find_other_console (console);
|
|
|
701 if (!NILP (other_dev))
|
|
|
702 Fselect_console (other_dev);
|
|
|
703 else
|
|
|
704 {
|
|
|
705 /* necessary? */
|
|
|
706 Vselected_console = Qnil;
|
|
|
707 Vwindow_system = Qnil;
|
|
|
708 }
|
|
|
709 }
|
|
|
710
|
|
|
711 if (con->input_enabled)
|
|
|
712 event_stream_unselect_console (con);
|
|
|
713
|
|
|
714 MAYBE_CONMETH (con, delete_console, (con));
|
|
|
715
|
|
|
716 Vconsole_list = delq_no_quit (console, Vconsole_list);
|
|
|
717 RESET_CHANGED_SET_FLAGS;
|
|
|
718 con->conmeths = dead_console_methods;
|
|
|
719
|
|
|
720 UNGCPRO;
|
|
|
721 }
|
|
|
722
|
|
|
723 void
|
|
|
724 io_error_delete_console (Lisp_Object console)
|
|
|
725 {
|
|
|
726 delete_console_internal (XCONSOLE (console), 1, 0, 1);
|
|
|
727 }
|
|
|
728
|
|
|
729 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /*
|
|
|
730 Delete CONSOLE, permanently eliminating it from use.
|
|
|
731 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
732 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
733 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
734 will automatically call `save-buffers-kill-emacs'.)
|
|
|
735 */
|
|
|
736 (console, force))
|
|
|
737 {
|
|
|
738 CHECK_CONSOLE (console);
|
|
|
739 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0);
|
|
|
740 return Qnil;
|
|
|
741 }
|
|
|
742
|
|
|
743 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /*
|
|
|
744 Return a list of all consoles.
|
|
|
745 */
|
|
|
746 ())
|
|
|
747 {
|
|
|
748 return Fcopy_sequence (Vconsole_list);
|
|
|
749 }
|
|
|
750
|
|
|
751 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /*
|
|
|
752 Return a list of all devices on CONSOLE.
|
|
|
753 If CONSOLE is nil, the selected console will be used.
|
|
|
754 */
|
|
|
755 (console))
|
|
|
756 {
|
|
|
757 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console)));
|
|
|
758 }
|
|
|
759
|
|
|
760 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /*
|
|
|
761 Enable input on console CONSOLE.
|
|
|
762 */
|
|
|
763 (console))
|
|
|
764 {
|
|
|
765 struct console *con = decode_console (console);
|
|
|
766 if (!con->input_enabled)
|
|
|
767 event_stream_select_console (con);
|
|
|
768 return Qnil;
|
|
|
769 }
|
|
|
770
|
|
|
771 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /*
|
|
|
772 Disable input on console CONSOLE.
|
|
|
773 */
|
|
|
774 (console))
|
|
|
775 {
|
|
|
776 struct console *con = decode_console (console);
|
|
|
777 if (con->input_enabled)
|
|
|
778 event_stream_unselect_console (con);
|
|
|
779 return Qnil;
|
|
|
780 }
|
|
|
781
|
|
|
782 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /*
|
|
|
783 Return non-nil if this console is on a window system.
|
|
|
784 This generally means that there is support for the mouse, the menubar,
|
|
|
785 the toolbar, glyphs, etc.
|
|
|
786 */
|
|
|
787 (console))
|
|
|
788 {
|
|
|
789 Lisp_Object type = CONSOLE_TYPE (decode_console (console));
|
|
|
790
|
|
|
791 return !EQ (type, Qtty) && !EQ (type, Qstream) ? Qt : Qnil;
|
|
|
792 }
|
|
|
793
|
|
|
794
|
|
|
795
|
|
|
796 /**********************************************************************/
|
|
|
797 /* Miscellaneous low-level functions */
|
|
|
798 /**********************************************************************/
|
|
|
799
|
|
|
800 static Lisp_Object
|
|
|
801 unwind_init_sys_modes (Lisp_Object console)
|
|
|
802 {
|
|
|
803 reinit_initial_console ();
|
|
|
804
|
|
|
805 if (!no_redraw_on_reenter &&
|
|
|
806 CONSOLEP (console) &&
|
|
|
807 CONSOLE_LIVE_P (XCONSOLE (console)))
|
|
|
808 {
|
|
|
809 struct frame *f =
|
|
|
810 XFRAME (DEVICE_SELECTED_FRAME
|
|
|
811 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console)))));
|
|
|
812 MARK_FRAME_CHANGED (f);
|
|
|
813 }
|
|
|
814 return Qnil;
|
|
|
815 }
|
|
|
816
|
|
|
817 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /*
|
|
|
818 Stop Emacs and return to superior process. You can resume later.
|
|
|
819 On systems that don't have job control, run a subshell instead.
|
|
|
820
|
|
|
821 If optional arg STUFFSTRING is non-nil, its characters are stuffed
|
|
|
822 to be read as terminal input by Emacs's superior shell.
|
|
|
823
|
|
|
824 Before suspending, run the normal hook `suspend-hook'.
|
|
|
825 After resumption run the normal hook `suspend-resume-hook'.
|
|
|
826
|
|
|
827 Some operating systems cannot stop the Emacs process and resume it later.
|
|
|
828 On such systems, Emacs will start a subshell and wait for it to exit.
|
|
|
829 */
|
|
|
830 (stuffstring))
|
|
|
831 {
|
|
|
832 int speccount = specpdl_depth ();
|
|
|
833 struct gcpro gcpro1;
|
|
|
834
|
|
|
835 if (!NILP (stuffstring))
|
|
|
836 CHECK_STRING (stuffstring);
|
|
|
837 GCPRO1 (stuffstring);
|
|
|
838
|
|
|
839 /* There used to be a check that the initial console is TTY.
|
|
|
840 This is bogus. Even checking to see whether any console
|
|
|
841 is a controlling terminal is not correct -- maybe
|
|
|
842 the user used the -t option or something. If we want to
|
|
|
843 suspend, then we suspend. Period. */
|
|
|
844
|
|
|
845 /* Call value of suspend-hook. */
|
|
|
846 run_hook (Qsuspend_hook);
|
|
|
847
|
|
|
848 reset_initial_console ();
|
|
|
849 /* sys_suspend can get an error if it tries to fork a subshell
|
|
|
850 and the system resources aren't available for that. */
|
|
|
851 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal);
|
|
|
852 stuff_buffered_input (stuffstring);
|
|
|
853 sys_suspend ();
|
|
|
854 /* the console is un-reset inside of the unwind-protect. */
|
|
|
855 unbind_to (speccount, Qnil);
|
|
|
856
|
|
|
857 #ifdef SIGWINCH
|
|
|
858 /* It is possible that a size change occurred while we were
|
|
|
859 suspended. Assume one did just to be safe. It won't hurt
|
|
|
860 anything if one didn't. */
|
|
|
861 asynch_device_change_pending++;
|
|
|
862 #endif
|
|
|
863
|
|
|
864 /* Call value of suspend-resume-hook
|
|
|
865 if it is bound and value is non-nil. */
|
|
|
866 run_hook (Qsuspend_resume_hook);
|
|
|
867
|
|
|
868 UNGCPRO;
|
|
|
869 return Qnil;
|
|
|
870 }
|
|
|
871
|
|
|
872 /* If STUFFSTRING is a string, stuff its contents as pending terminal input.
|
|
|
873 Then in any case stuff anything Emacs has read ahead and not used. */
|
|
|
874
|
|
|
875 void
|
|
|
876 stuff_buffered_input (Lisp_Object stuffstring)
|
|
|
877 {
|
|
|
878 /* stuff_char works only in BSD, versions 4.2 and up. */
|
|
|
879 #if defined (BSD)
|
|
|
880 if (!CONSOLEP (Vcontrolling_terminal) ||
|
|
|
881 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal)))
|
|
|
882 return;
|
|
|
883
|
|
|
884 if (STRINGP (stuffstring))
|
|
|
885 {
|
|
|
886 Extcount count;
|
|
|
887 Extbyte *p;
|
|
|
888
|
|
440
|
889 TO_EXTERNAL_FORMAT (LISP_STRING, stuffstring,
|
|
|
890 ALLOCA, (p, count),
|
|
|
891 Qkeyboard);
|
|
428
|
892 while (count-- > 0)
|
|
|
893 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++);
|
|
|
894 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n');
|
|
|
895 }
|
|
|
896 /* Anything we have read ahead, put back for the shell to read. */
|
|
|
897 # if 0 /* oh, who cares about this silliness */
|
|
|
898 while (kbd_fetch_ptr != kbd_store_ptr)
|
|
|
899 {
|
|
|
900 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE)
|
|
|
901 kbd_fetch_ptr = kbd_buffer;
|
|
|
902 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++);
|
|
|
903 }
|
|
|
904 # endif
|
|
|
905 #endif /* BSD */
|
|
|
906 }
|
|
|
907
|
|
|
908 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /*
|
|
|
909 Suspend a console. For tty consoles, it sends a signal to suspend
|
|
|
910 the process in charge of the tty, and removes the devices and
|
|
|
911 frames of that console from the display.
|
|
|
912
|
|
|
913 If optional arg CONSOLE is non-nil, it is the console to be suspended.
|
|
|
914 Otherwise it is assumed to be the selected console.
|
|
|
915
|
|
|
916 Some operating systems cannot stop processes and resume them later.
|
|
|
917 On such systems, who knows what will happen.
|
|
|
918 */
|
|
|
919 (console))
|
|
|
920 {
|
|
|
921 #ifdef HAVE_TTY
|
|
|
922 struct console *con = decode_console (console);
|
|
|
923
|
|
|
924 if (CONSOLE_TTY_P (con))
|
|
|
925 {
|
|
|
926 /*
|
|
|
927 * hide all the unhidden frames so the display code won't update
|
|
|
928 * them while the console is suspended.
|
|
|
929 */
|
|
|
930 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
|
|
|
931 if (!NILP (device))
|
|
|
932 {
|
|
|
933 struct device *d = XDEVICE (device);
|
|
|
934 Lisp_Object frame_list = DEVICE_FRAME_LIST (d);
|
|
|
935 while (CONSP (frame_list))
|
|
|
936 {
|
|
|
937 struct frame *f = XFRAME (XCAR (frame_list));
|
|
|
938 if (FRAME_REPAINT_P (f))
|
|
|
939 f->visible = -1;
|
|
|
940 frame_list = XCDR (frame_list);
|
|
|
941 }
|
|
|
942 }
|
|
|
943 reset_one_console (con);
|
|
|
944 event_stream_unselect_console (con);
|
|
|
945 sys_suspend_process (XINT (Fconsole_tty_controlling_process (console)));
|
|
|
946 }
|
|
|
947 #endif /* HAVE_TTY */
|
|
|
948
|
|
|
949 return Qnil;
|
|
|
950 }
|
|
|
951
|
|
|
952 DEFUN ("resume-console", Fresume_console, 1, 1, "", /*
|
|
|
953 Re-initialize a previously suspended console.
|
|
|
954 For tty consoles, do stuff to the tty to make it sane again.
|
|
|
955 */
|
|
|
956 (console))
|
|
|
957 {
|
|
|
958 #ifdef HAVE_TTY
|
|
|
959 struct console *con = decode_console (console);
|
|
|
960
|
|
|
961 if (CONSOLE_TTY_P (con))
|
|
|
962 {
|
|
|
963 /* raise the selected frame */
|
|
|
964 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
|
|
|
965 if (!NILP (device))
|
|
|
966 {
|
|
|
967 struct device *d = XDEVICE (device);
|
|
|
968 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
|
|
|
969 if (!NILP (frame))
|
|
|
970 {
|
|
|
971 /* force the frame to be cleared */
|
|
|
972 SET_FRAME_CLEAR (XFRAME (frame));
|
|
|
973 Fraise_frame (frame);
|
|
|
974 }
|
|
|
975 }
|
|
|
976 init_one_console (con);
|
|
|
977 event_stream_select_console (con);
|
|
|
978 #ifdef SIGWINCH
|
|
|
979 /* The same as in Fsuspend_emacs: it is possible that a size
|
|
|
980 change occurred while we were suspended. Assume one did just
|
|
|
981 to be safe. It won't hurt anything if one didn't. */
|
|
|
982 asynch_device_change_pending++;
|
|
|
983 #endif
|
|
|
984 }
|
|
|
985 #endif /* HAVE_TTY */
|
|
|
986
|
|
|
987 return Qnil;
|
|
|
988 }
|
|
|
989
|
|
|
990 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /*
|
|
|
991 Set mode of reading keyboard input.
|
|
|
992 First arg is ignored, for backward compatibility.
|
|
|
993 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal
|
|
|
994 (no effect except in CBREAK mode).
|
|
|
995 Third arg META t means accept 8-bit input (for a Meta key).
|
|
|
996 META nil means ignore the top bit, on the assumption it is parity.
|
|
|
997 Otherwise, accept 8-bit input and don't use the top bit for Meta.
|
|
|
998 First three arguments only apply to TTY consoles.
|
|
|
999 Optional fourth arg QUIT if non-nil specifies character to use for quitting.
|
|
|
1000 Optional fifth arg CONSOLE specifies console to make changes to; nil means
|
|
|
1001 the selected console.
|
|
|
1002 See also `current-input-mode'.
|
|
|
1003 */
|
|
|
1004 (ignored, flow, meta, quit, console))
|
|
|
1005 {
|
|
|
1006 struct console *con = decode_console (console);
|
|
|
1007 int meta_key = (!CONSOLE_TTY_P (con) ? 1 :
|
|
|
1008 EQ (meta, Qnil) ? 0 :
|
|
|
1009 EQ (meta, Qt) ? 1 :
|
|
|
1010 2);
|
|
|
1011
|
|
|
1012 if (!NILP (quit))
|
|
|
1013 {
|
|
|
1014 CHECK_CHAR_COERCE_INT (quit);
|
|
|
1015 CONSOLE_QUIT_CHAR (con) =
|
|
|
1016 ((unsigned int) XCHAR (quit)) & (meta_key ? 0377 : 0177);
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 #ifdef HAVE_TTY
|
|
|
1020 if (CONSOLE_TTY_P (con))
|
|
|
1021 {
|
|
|
1022 reset_one_console (con);
|
|
|
1023 TTY_FLAGS (con).flow_control = !NILP (flow);
|
|
|
1024 TTY_FLAGS (con).meta_key = meta_key;
|
|
|
1025 init_one_console (con);
|
|
|
1026 }
|
|
|
1027 #endif
|
|
|
1028
|
|
|
1029 return Qnil;
|
|
|
1030 }
|
|
|
1031
|
|
|
1032 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /*
|
|
|
1033 Return information about the way Emacs currently reads keyboard input.
|
|
|
1034 Optional arg CONSOLE specifies console to return information about; nil means
|
|
|
1035 the selected console.
|
|
|
1036 The value is a list of the form (nil FLOW META QUIT), where
|
|
|
1037 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the
|
|
|
1038 terminal; this does not apply if Emacs uses interrupt-driven input.
|
|
|
1039 META is t if accepting 8-bit input with 8th bit as Meta flag.
|
|
|
1040 META nil means ignoring the top bit, on the assumption it is parity.
|
|
|
1041 META is neither t nor nil if accepting 8-bit input and using
|
|
|
1042 all 8 bits as the character code.
|
|
|
1043 QUIT is the character Emacs currently uses to quit.
|
|
|
1044 FLOW, and META are only meaningful for TTY consoles.
|
|
|
1045 The elements of this list correspond to the arguments of
|
|
|
1046 `set-input-mode'.
|
|
|
1047 */
|
|
|
1048 (console))
|
|
|
1049 {
|
|
|
1050 struct console *con = decode_console (console);
|
|
|
1051 Lisp_Object flow, meta, quit;
|
|
|
1052
|
|
|
1053 #ifdef HAVE_TTY
|
|
|
1054 flow = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil;
|
|
|
1055 meta = (!CONSOLE_TTY_P (con) ? Qt :
|
|
|
1056 TTY_FLAGS (con).meta_key == 1 ? Qt :
|
|
|
1057 TTY_FLAGS (con).meta_key == 2 ? Qzero :
|
|
|
1058 Qnil);
|
|
|
1059 #else
|
|
|
1060 flow = Qnil;
|
|
|
1061 meta = Qt;
|
|
|
1062 #endif
|
|
|
1063 quit = make_char (CONSOLE_QUIT_CHAR (con));
|
|
|
1064
|
|
|
1065 return list4 (Qnil, flow, meta, quit);
|
|
|
1066 }
|
|
|
1067
|
|
|
1068
|
|
|
1069 /************************************************************************/
|
|
|
1070 /* initialization */
|
|
|
1071 /************************************************************************/
|
|
|
1072
|
|
|
1073 void
|
|
|
1074 syms_of_console (void)
|
|
|
1075 {
|
|
|
1076 DEFSUBR (Fvalid_console_type_p);
|
|
|
1077 DEFSUBR (Fconsole_type_list);
|
|
|
1078 DEFSUBR (Fcdfw_console);
|
|
|
1079 DEFSUBR (Fselected_console);
|
|
|
1080 DEFSUBR (Fselect_console);
|
|
|
1081 DEFSUBR (Fconsolep);
|
|
|
1082 DEFSUBR (Fconsole_live_p);
|
|
|
1083 DEFSUBR (Fconsole_type);
|
|
|
1084 DEFSUBR (Fconsole_name);
|
|
|
1085 DEFSUBR (Fconsole_connection);
|
|
|
1086 DEFSUBR (Ffind_console);
|
|
|
1087 DEFSUBR (Fget_console);
|
|
|
1088 DEFSUBR (Fdelete_console);
|
|
|
1089 DEFSUBR (Fconsole_list);
|
|
|
1090 DEFSUBR (Fconsole_device_list);
|
|
|
1091 DEFSUBR (Fconsole_enable_input);
|
|
|
1092 DEFSUBR (Fconsole_disable_input);
|
|
|
1093 DEFSUBR (Fconsole_on_window_system_p);
|
|
|
1094 DEFSUBR (Fsuspend_console);
|
|
|
1095 DEFSUBR (Fresume_console);
|
|
|
1096
|
|
|
1097 DEFSUBR (Fsuspend_emacs);
|
|
|
1098 DEFSUBR (Fset_input_mode);
|
|
|
1099 DEFSUBR (Fcurrent_input_mode);
|
|
|
1100
|
|
|
1101 defsymbol (&Qconsolep, "consolep");
|
|
|
1102 defsymbol (&Qconsole_live_p, "console-live-p");
|
|
|
1103
|
|
|
1104 defsymbol (&Qcreate_console_hook, "create-console-hook");
|
|
|
1105 defsymbol (&Qdelete_console_hook, "delete-console-hook");
|
|
|
1106
|
|
|
1107 defsymbol (&Qsuspend_hook, "suspend-hook");
|
|
|
1108 defsymbol (&Qsuspend_resume_hook, "suspend-resume-hook");
|
|
|
1109 }
|
|
|
1110
|
|
|
1111 static const struct lrecord_description cte_description_1[] = {
|
|
440
|
1112 { XD_LISP_OBJECT, offsetof (console_type_entry, symbol) },
|
|
|
1113 { XD_STRUCT_PTR, offsetof (console_type_entry, meths), 1, &console_methods_description },
|
|
428
|
1114 { XD_END }
|
|
|
1115 };
|
|
|
1116
|
|
|
1117 static const struct struct_description cte_description = {
|
|
440
|
1118 sizeof (console_type_entry),
|
|
428
|
1119 cte_description_1
|
|
|
1120 };
|
|
|
1121
|
|
|
1122 static const struct lrecord_description cted_description_1[] = {
|
|
440
|
1123 XD_DYNARR_DESC (console_type_entry_dynarr, &cte_description),
|
|
428
|
1124 { XD_END }
|
|
|
1125 };
|
|
|
1126
|
|
|
1127 const struct struct_description cted_description = {
|
|
440
|
1128 sizeof (console_type_entry_dynarr),
|
|
428
|
1129 cted_description_1
|
|
|
1130 };
|
|
|
1131
|
|
|
1132 static const struct lrecord_description console_methods_description_1[] = {
|
|
440
|
1133 { XD_LISP_OBJECT, offsetof (struct console_methods, symbol) },
|
|
|
1134 { XD_LISP_OBJECT, offsetof (struct console_methods, predicate_symbol) },
|
|
|
1135 { XD_LISP_OBJECT, offsetof (struct console_methods, image_conversion_list) },
|
|
428
|
1136 { XD_END }
|
|
|
1137 };
|
|
|
1138
|
|
|
1139 const struct struct_description console_methods_description = {
|
|
440
|
1140 sizeof (struct console_methods),
|
|
428
|
1141 console_methods_description_1
|
|
|
1142 };
|
|
|
1143
|
|
|
1144
|
|
|
1145 void
|
|
|
1146 console_type_create (void)
|
|
|
1147 {
|
|
|
1148 the_console_type_entry_dynarr = Dynarr_new (console_type_entry);
|
|
|
1149 dumpstruct(&the_console_type_entry_dynarr, &cted_description);
|
|
|
1150
|
|
|
1151 Vconsole_type_list = Qnil;
|
|
|
1152 staticpro (&Vconsole_type_list);
|
|
|
1153
|
|
|
1154 /* Initialize the dead console type */
|
|
|
1155 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p");
|
|
|
1156
|
|
|
1157 /* then reset the console-type lists, because `dead' is not really
|
|
|
1158 a valid console type */
|
|
|
1159 Dynarr_reset (the_console_type_entry_dynarr);
|
|
|
1160 Vconsole_type_list = Qnil;
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 void
|
|
|
1164 reinit_vars_of_console (void)
|
|
|
1165 {
|
|
|
1166 staticpro_nodump (&Vconsole_list);
|
|
|
1167 Vconsole_list = Qnil;
|
|
|
1168 staticpro_nodump (&Vselected_console);
|
|
|
1169 Vselected_console = Qnil;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172 void
|
|
|
1173 vars_of_console (void)
|
|
|
1174 {
|
|
|
1175 reinit_vars_of_console ();
|
|
|
1176
|
|
|
1177 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /*
|
|
|
1178 Function or functions to call when a console is created.
|
|
|
1179 One argument, the newly-created console.
|
|
|
1180 This is called after the first frame has been created, but before
|
|
|
1181 calling the `create-device-hook' or `create-frame-hook'.
|
|
|
1182 Note that in general the console will not be selected.
|
|
|
1183 */ );
|
|
|
1184 Vcreate_console_hook = Qnil;
|
|
|
1185
|
|
|
1186 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /*
|
|
|
1187 Function or functions to call when a console is deleted.
|
|
|
1188 One argument, the to-be-deleted console.
|
|
|
1189 */ );
|
|
|
1190 Vdelete_console_hook = Qnil;
|
|
|
1191
|
|
|
1192 #ifdef HAVE_WINDOW_SYSTEM
|
|
|
1193 Fprovide (intern ("window-system"));
|
|
|
1194 #endif
|
|
|
1195 }
|
|
|
1196
|
|
|
1197 /* The docstrings for DEFVAR_* are recorded externally by make-docfile. */
|
|
|
1198
|
|
|
1199 /* Declaring this stuff as const produces 'Cannot reinitialize' messages
|
|
|
1200 from SunPro C's fix-and-continue feature (a way neato feature that
|
|
|
1201 makes debugging unbelievably more bearable) */
|
|
|
1202 #define DEFVAR_CONSOLE_LOCAL_1(lname, field_name, forward_type, magicfun) do { \
|
|
|
1203 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1204 = { { { symbol_value_forward_lheader_initializer, \
|
|
|
1205 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1206 forward_type }, magicfun }; \
|
|
|
1207 { \
|
|
|
1208 int offset = ((char *)symbol_value_forward_forward (&I_hate_C) \
|
|
|
1209 - (char *)&console_local_flags); \
|
|
|
1210 \
|
|
|
1211 defvar_magic (lname, &I_hate_C); \
|
|
|
1212 \
|
|
|
1213 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols))) \
|
|
|
1214 = intern (lname); \
|
|
|
1215 } \
|
|
|
1216 } while (0)
|
|
|
1217
|
|
|
1218 #define DEFVAR_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
|
|
|
1219 DEFVAR_CONSOLE_LOCAL_1 (lname, field_name, \
|
|
|
1220 SYMVAL_SELECTED_CONSOLE_FORWARD, magicfun)
|
|
|
1221 #define DEFVAR_CONSOLE_LOCAL(lname, field_name) \
|
|
|
1222 DEFVAR_CONSOLE_LOCAL_MAGIC (lname, field_name, 0)
|
|
|
1223 #define DEFVAR_CONST_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
|
|
|
1224 DEFVAR_CONSOLE_LOCAL_1 (lname, field_name, \
|
|
|
1225 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD, magicfun)
|
|
|
1226 #define DEFVAR_CONST_CONSOLE_LOCAL(lname, field_name) \
|
|
|
1227 DEFVAR_CONST_CONSOLE_LOCAL_MAGIC (lname, field_name, 0)
|
|
|
1228
|
|
|
1229 #define DEFVAR_CONSOLE_DEFAULTS_MAGIC(lname, field_name, magicfun) \
|
|
|
1230 DEFVAR_SYMVAL_FWD(lname, &(console_local_flags.field_name), \
|
|
|
1231 SYMVAL_DEFAULT_CONSOLE_FORWARD, magicfun)
|
|
|
1232 #define DEFVAR_CONSOLE_DEFAULTS(lname, field_name) \
|
|
|
1233 DEFVAR_CONSOLE_DEFAULTS_MAGIC (lname, field_name, 0)
|
|
|
1234
|
|
|
1235 static void
|
|
|
1236 nuke_all_console_slots (struct console *con, Lisp_Object zap)
|
|
|
1237 {
|
|
|
1238 zero_lcrecord (con);
|
|
|
1239
|
|
|
1240 #define MARKED_SLOT(x) con->x = zap
|
|
|
1241 #include "conslots.h"
|
|
|
1242 #undef MARKED_SLOT
|
|
|
1243 }
|
|
|
1244
|
|
|
1245 static void
|
|
|
1246 common_init_complex_vars_of_console (void)
|
|
|
1247 {
|
|
|
1248 /* Make sure all markable slots in console_defaults
|
|
|
1249 are initialized reasonably, so mark_console won't choke.
|
|
|
1250 */
|
|
|
1251 struct console *defs = alloc_lcrecord_type (struct console, &lrecord_console);
|
|
|
1252 struct console *syms = alloc_lcrecord_type (struct console, &lrecord_console);
|
|
|
1253
|
|
|
1254 staticpro_nodump (&Vconsole_defaults);
|
|
|
1255 staticpro_nodump (&Vconsole_local_symbols);
|
|
|
1256 XSETCONSOLE (Vconsole_defaults, defs);
|
|
|
1257 XSETCONSOLE (Vconsole_local_symbols, syms);
|
|
|
1258
|
|
|
1259 nuke_all_console_slots (syms, Qnil);
|
|
|
1260 nuke_all_console_slots (defs, Qnil);
|
|
|
1261
|
|
|
1262 /* Set up the non-nil default values of various console slots.
|
|
|
1263 Must do these before making the first console.
|
|
|
1264 */
|
|
|
1265 /* #### Anything needed here? */
|
|
|
1266
|
|
|
1267 {
|
|
|
1268 /* 0 means var is always local. Default used only at creation.
|
|
|
1269 * -1 means var is always local. Default used only at reset and
|
|
|
1270 * creation.
|
|
|
1271 * -2 means there's no lisp variable corresponding to this slot
|
|
|
1272 * and the default is only used at creation.
|
|
|
1273 * -3 means no Lisp variable. Default used only at reset and creation.
|
|
|
1274 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0)
|
|
|
1275 * Otherwise default is used.
|
|
|
1276 *
|
|
|
1277 * #### We don't currently ever reset console variables, so there
|
|
|
1278 * is no current distinction between 0 and -1, and between -2 and -3.
|
|
|
1279 */
|
|
|
1280 Lisp_Object always_local_resettable = make_int (-1);
|
|
|
1281
|
|
|
1282 #if 0 /* not used */
|
|
|
1283 Lisp_Object always_local_no_default = make_int (0);
|
|
|
1284 Lisp_Object resettable = make_int (-3);
|
|
|
1285 #endif
|
|
|
1286
|
|
|
1287 /* Assign the local-flags to the slots that have default values.
|
|
|
1288 The local flag is a bit that is used in the console
|
|
|
1289 to say that it has its own local value for the slot.
|
|
|
1290 The local flag bits are in the local_var_flags slot of the
|
|
|
1291 console. */
|
|
|
1292
|
|
|
1293 nuke_all_console_slots (&console_local_flags, make_int (-2));
|
|
|
1294 console_local_flags.defining_kbd_macro = always_local_resettable;
|
|
|
1295 console_local_flags.last_kbd_macro = always_local_resettable;
|
|
|
1296 console_local_flags.prefix_arg = always_local_resettable;
|
|
|
1297 console_local_flags.default_minibuffer_frame = always_local_resettable;
|
|
|
1298 console_local_flags.overriding_terminal_local_map =
|
|
|
1299 always_local_resettable;
|
|
|
1300 #ifdef HAVE_TTY
|
|
|
1301 console_local_flags.tty_erase_char = always_local_resettable;
|
|
|
1302 #endif
|
|
|
1303
|
|
|
1304 console_local_flags.function_key_map = make_int (1);
|
|
|
1305
|
|
|
1306 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
|
|
|
1307 currently allowable due to the XINT() handling of this value.
|
|
|
1308 With some rearrangement you can get 4 more bits. */
|
|
|
1309 }
|
|
|
1310 }
|
|
|
1311
|
|
|
1312
|
|
|
1313 #define CONSOLE_SLOTS_SIZE (offsetof (struct console, CONSOLE_SLOTS_LAST_NAME) - offsetof (struct console, CONSOLE_SLOTS_FIRST_NAME) + sizeof (Lisp_Object))
|
|
|
1314 #define CONSOLE_SLOTS_COUNT (CONSOLE_SLOTS_SIZE / sizeof (Lisp_Object))
|
|
|
1315
|
|
|
1316 void
|
|
|
1317 reinit_complex_vars_of_console (void)
|
|
|
1318 {
|
|
|
1319 struct console *defs, *syms;
|
|
|
1320
|
|
|
1321 common_init_complex_vars_of_console ();
|
|
|
1322
|
|
|
1323 defs = XCONSOLE (Vconsole_defaults);
|
|
|
1324 syms = XCONSOLE (Vconsole_local_symbols);
|
|
|
1325 memcpy (&defs->CONSOLE_SLOTS_FIRST_NAME,
|
|
|
1326 console_defaults_saved_slots,
|
|
|
1327 CONSOLE_SLOTS_SIZE);
|
|
|
1328 memcpy (&syms->CONSOLE_SLOTS_FIRST_NAME,
|
|
|
1329 console_local_symbols_saved_slots,
|
|
|
1330 CONSOLE_SLOTS_SIZE);
|
|
|
1331 }
|
|
|
1332
|
|
|
1333
|
|
|
1334 static const struct lrecord_description console_slots_description_1[] = {
|
|
440
|
1335 { XD_LISP_OBJECT_ARRAY, 0, CONSOLE_SLOTS_COUNT },
|
|
428
|
1336 { XD_END }
|
|
|
1337 };
|
|
|
1338
|
|
|
1339 static const struct struct_description console_slots_description = {
|
|
|
1340 CONSOLE_SLOTS_SIZE,
|
|
|
1341 console_slots_description_1
|
|
|
1342 };
|
|
|
1343
|
|
|
1344 void
|
|
|
1345 complex_vars_of_console (void)
|
|
|
1346 {
|
|
|
1347 struct console *defs, *syms;
|
|
|
1348
|
|
|
1349 common_init_complex_vars_of_console ();
|
|
|
1350
|
|
|
1351 defs = XCONSOLE (Vconsole_defaults);
|
|
|
1352 syms = XCONSOLE (Vconsole_local_symbols);
|
|
|
1353 console_defaults_saved_slots = &defs->CONSOLE_SLOTS_FIRST_NAME;
|
|
|
1354 console_local_symbols_saved_slots = &syms->CONSOLE_SLOTS_FIRST_NAME;
|
|
|
1355 dumpstruct (&console_defaults_saved_slots, &console_slots_description);
|
|
|
1356 dumpstruct (&console_local_symbols_saved_slots, &console_slots_description);
|
|
|
1357
|
|
|
1358 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /*
|
|
|
1359 Default value of `function-key-map' for consoles that don't override it.
|
|
|
1360 This is the same as (default-value 'function-key-map).
|
|
|
1361 */ );
|
|
|
1362
|
|
|
1363 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /*
|
|
|
1364 Keymap mapping ASCII function key sequences onto their preferred forms.
|
|
|
1365 This allows Emacs to recognize function keys sent from ASCII
|
|
|
1366 terminals at any point in a key sequence.
|
|
|
1367
|
|
|
1368 The `read-key-sequence' function replaces any subsequence bound by
|
|
|
1369 `function-key-map' with its binding. More precisely, when the active
|
|
|
1370 keymaps have no binding for the current key sequence but
|
|
|
1371 `function-key-map' binds a suffix of the sequence to a vector or string,
|
|
|
1372 `read-key-sequence' replaces the matching suffix with its binding, and
|
|
|
1373 continues with the new sequence.
|
|
|
1374
|
|
|
1375 The events that come from bindings in `function-key-map' are not
|
|
|
1376 themselves looked up in `function-key-map'.
|
|
|
1377
|
|
|
1378 For example, suppose `function-key-map' binds `ESC O P' to [f1].
|
|
|
1379 Typing `ESC O P' to `read-key-sequence' would return
|
|
|
1380 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return
|
|
|
1381 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1]
|
|
|
1382 were a prefix key, typing `ESC O P x' would return
|
|
|
1383 \[#<keypress-event f1> #<keypress-event x>].
|
|
|
1384 */ );
|
|
|
1385
|
|
|
1386 #ifdef HAVE_TTY
|
|
440
|
1387 /* #### Should this somehow go to TTY data? How do we make it
|
|
428
|
1388 accessible from Lisp, then? */
|
|
|
1389 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /*
|
|
|
1390 The ERASE character as set by the user with stty.
|
|
|
1391 When this value cannot be determined or would be meaningless (on non-TTY
|
|
|
1392 consoles, for example), it is set to nil.
|
|
|
1393 */ );
|
|
|
1394 #endif
|
|
|
1395
|
|
|
1396 /* While this should be CONST it can't be because some things
|
|
|
1397 (i.e. edebug) do manipulate it. */
|
|
|
1398 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /*
|
|
|
1399 Non-nil while a console macro is being defined. Don't set this!
|
|
|
1400 */ );
|
|
|
1401
|
|
|
1402 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /*
|
|
|
1403 Last kbd macro defined, as a vector of events; nil if none defined.
|
|
|
1404 */ );
|
|
|
1405
|
|
|
1406 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /*
|
|
|
1407 The value of the prefix argument for the next editing command.
|
|
|
1408 It may be a number, or the symbol `-' for just a minus sign as arg,
|
|
|
1409 or a list whose car is a number for just one or more C-U's
|
|
|
1410 or nil if no argument has been specified.
|
|
|
1411
|
|
|
1412 You cannot examine this variable to find the argument for this command
|
|
|
1413 since it has been set to nil by the time you can look.
|
|
|
1414 Instead, you should use the variable `current-prefix-arg', although
|
|
|
1415 normally commands can get this prefix argument with (interactive "P").
|
|
|
1416 */ );
|
|
|
1417
|
|
|
1418 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame",
|
|
|
1419 default_minibuffer_frame /*
|
|
|
1420 Minibufferless frames use this frame's minibuffer.
|
|
|
1421
|
|
|
1422 Emacs cannot create minibufferless frames unless this is set to an
|
|
|
1423 appropriate surrogate.
|
|
|
1424
|
|
|
1425 XEmacs consults this variable only when creating minibufferless
|
|
|
1426 frames; once the frame is created, it sticks with its assigned
|
|
|
1427 minibuffer, no matter what this variable is set to. This means that
|
|
|
1428 this variable doesn't necessarily say anything meaningful about the
|
|
|
1429 current set of frames, or where the minibuffer is currently being
|
|
|
1430 displayed.
|
|
|
1431 */ );
|
|
|
1432
|
|
|
1433 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map",
|
|
|
1434 overriding_terminal_local_map /*
|
|
|
1435 Keymap that overrides all other local keymaps, for the selected console only.
|
|
|
1436 If this variable is non-nil, it is used as a keymap instead of the
|
|
|
1437 buffer's local map, and the minor mode keymaps and text property keymaps.
|
|
|
1438 */ );
|
|
|
1439
|
|
|
1440 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding
|
|
|
1441 slot of console_local_flags and vice-versa. Must be done after all
|
|
|
1442 DEFVAR_CONSOLE_LOCAL() calls. */
|
|
|
1443 #define MARKED_SLOT(slot) \
|
|
|
1444 if ((XINT (console_local_flags.slot) != -2 && \
|
|
|
1445 XINT (console_local_flags.slot) != -3) \
|
|
|
1446 != !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))) \
|
|
|
1447 abort ()
|
|
|
1448 #include "conslots.h"
|
|
|
1449 #undef MARKED_SLOT
|
|
|
1450 }
|
