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0
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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 alist
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53 of consoles and stores into each console that does not say it has a
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54 local value. */
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55 Lisp_Object Vconsole_defaults;
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56
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57 /* This structure marks which slots in a console have corresponding
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58 default values in console_defaults.
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59 Each such slot has a nonzero value in this structure.
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60 The value has only one nonzero bit.
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61
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62 When a console has its own local value for a slot,
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63 the bit for that slot (found in the same slot in this structure)
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64 is turned on in the console's local_var_flags slot.
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65
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66 If a slot in this structure is 0, then there is a DEFVAR_CONSOLE_LOCAL
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67 for the slot, but there is no default value for it; the corresponding
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68 slot in console_defaults is not used except to initialize newly-created
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69 consoles.
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70
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71 If a slot is -1, then there is a DEFVAR_CONSOLE_LOCAL for it
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72 as well as a default value which is used to initialize newly-created
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73 consoles and as a reset-value when local-vars are killed.
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74
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75 If a slot is -2, there is no DEFVAR_CONSOLE_LOCAL for it.
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76 (The slot is always local, but there's no lisp variable for it.)
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77 The default value is only used to initialize newly-creation consoles.
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78
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79 If a slot is -3, then there is no DEFVAR_CONSOLE_LOCAL for it but
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80 there is a default which is used to initialize newly-creation
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81 consoles and as a reset-value when local-vars are killed.
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82
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83
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84 */
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85 struct console console_local_flags;
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86
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87 /* This structure holds the names of symbols whose values may be
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88 console-local. It is indexed and accessed in the same way as the above. */
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89 static Lisp_Object Vconsole_local_symbols;
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90
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91 DEFINE_CONSOLE_TYPE (dead);
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92
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93 Lisp_Object Vconsole_type_list;
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94
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95 MAC_DEFINE (struct console *, MTconsole_data)
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96 MAC_DEFINE (struct console_methods *, MTcontype_meth_or_given)
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97
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98 console_type_entry_dynarr *the_console_type_entry_dynarr;
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99
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100
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101 static Lisp_Object mark_console (Lisp_Object, void (*) (Lisp_Object));
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102 static void print_console (Lisp_Object, Lisp_Object, int);
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103 DEFINE_LRECORD_IMPLEMENTATION ("console", console,
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104 mark_console, print_console, 0, 0, 0,
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105 struct console);
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106
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107 static Lisp_Object
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108 mark_console (Lisp_Object obj, void (*markobj) (Lisp_Object))
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109 {
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110 struct console *con = XCONSOLE (obj);
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111
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112 #define MARKED_SLOT(x) ((markobj) (con->x));
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113 #include "conslots.h"
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114 #undef MARKED_SLOT
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115
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116 /* Can be zero for Vconsole_defaults, Vconsole_local_symbols */
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117 if (con->conmeths)
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118 {
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119 ((markobj) (con->conmeths->symbol));
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120 MAYBE_CONMETH (con, mark_console, (con, markobj));
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121 }
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122
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123 return Qnil;
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124 }
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125
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126 static void
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127 print_console (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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128 {
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129 struct console *con = XCONSOLE (obj);
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130 char buf[256];
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131
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132 if (print_readably)
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133 error ("printing unreadable object #<console %s 0x%x>",
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16
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134 XSTRING_DATA (con->name), con->header.uid);
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0
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135
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136 sprintf (buf, "#<%s-console", !CONSOLE_LIVE_P (con) ? "dead" :
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137 CONSOLE_TYPE_NAME (con));
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138 write_c_string (buf, printcharfun);
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139 if (CONSOLE_LIVE_P (con))
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140 {
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141 write_c_string (" on ", printcharfun);
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142 print_internal (CONSOLE_CONNECTION (con), printcharfun, 1);
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143 }
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144 sprintf (buf, " 0x%x>", con->header.uid);
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145 write_c_string (buf, printcharfun);
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146 }
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147
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148
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149 static struct console *
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150 allocate_console (void)
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151 {
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152 Lisp_Object console = Qnil;
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153 struct console *con = alloc_lcrecord (sizeof (struct console),
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154 lrecord_console);
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155 struct gcpro gcpro1;
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156
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157 copy_lcrecord (con, XCONSOLE (Vconsole_defaults));
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158
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159 XSETCONSOLE (console, con);
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160 GCPRO1 (console);
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161
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162 con->quit_char = 7; /* C-g */
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163 con->command_builder = allocate_command_builder (console);
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164 con->function_key_map = Fmake_sparse_keymap (Qnil);
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165
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166 UNGCPRO;
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167 return con;
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168 }
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169
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170 struct console *
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171 decode_console (Lisp_Object console)
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172 {
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173 if (NILP (console))
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174 console = Fselected_console ();
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175 /* quietly accept devices and frames for the console arg */
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176 if (DEVICEP (console) || FRAMEP (console))
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177 console = DEVICE_CONSOLE (decode_device (console));
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178 CHECK_LIVE_CONSOLE (console);
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179 return XCONSOLE (console);
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180 }
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181
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182
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183 struct console_methods *
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184 decode_console_type (Lisp_Object type, Error_behavior errb)
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185 {
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186 int i;
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187
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188 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
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189 {
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190 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol))
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191 return Dynarr_at (the_console_type_entry_dynarr, i).meths;
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192 }
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193
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194 maybe_signal_simple_error ("Invalid console type", type, Qconsole, errb);
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195
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196 return 0;
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197 }
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198
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199 int
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200 valid_console_type_p (Lisp_Object type)
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201 {
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202 if (decode_console_type (type, ERROR_ME_NOT))
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203 return 1;
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204 return 0;
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205 }
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206
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20
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207 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /*
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208 Given a CONSOLE-TYPE, return t if it is valid.
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209 Valid types are 'x, 'tty, and 'stream.
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20
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210 */
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211 (console_type))
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0
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212 {
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213 if (valid_console_type_p (console_type))
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214 return Qt;
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215 else
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216 return Qnil;
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217 }
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218
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20
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219 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /*
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220 Return a list of valid console types.
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20
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221 */
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222 ())
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0
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223 {
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224 return Fcopy_sequence (Vconsole_type_list);
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225 }
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226
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20
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227 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /*
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228 Given a console, device, frame, or window, return the associated console.
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229 Return nil otherwise.
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20
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230 */
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231 (obj))
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0
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232 {
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233 return CDFW_CONSOLE (obj);
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234 }
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235
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236
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20
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237 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /*
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238 Return the console which is currently active.
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20
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239 */
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240 ())
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0
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241 {
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242 return Vselected_console;
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243 }
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244
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245 /* Called from selected_device_1(), called from selected_frame_1(),
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246 called from Fselect_window() */
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247 void
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248 select_console_1 (Lisp_Object console)
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249 {
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250 /* perhaps this should do something more complicated */
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251 Vselected_console = console;
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252
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70
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253 /* #### Schedule this to be removed in 19.14 */
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0
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254 #ifdef HAVE_X_WINDOWS
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255 if (CONSOLE_X_P (XCONSOLE (console)))
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256 Vwindow_system = Qx;
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257 else
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258 #endif
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259 Vwindow_system = Qnil;
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260 }
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261
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20
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262 DEFUN ("select-console", Fselect_console, 1, 1, 0, /*
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263 Select the console CONSOLE.
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264 Subsequent editing commands apply to its selected device, selected frame,
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265 and selected window. The selection of CONSOLE lasts until the next time
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266 the user does something to select a different console, or until the next
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267 time this function is called.
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20
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268 */
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269 (console))
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0
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270 {
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271 CHECK_LIVE_CONSOLE (console);
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272
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70
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273 /* select the console's selected frame's selected window. This will call
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274 selected_frame_1(). */
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275 if (!NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (console))))
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276 Fselect_window (FRAME_SELECTED_WINDOW (XFRAME (DEVICE_SELECTED_FRAME (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console)))))));
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0
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277 else
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278 error ("Can't select a console with no devices");
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279 return Qnil;
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280 }
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281
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282 void
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283 set_console_last_nonminibuf_frame (struct console *con,
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284 Lisp_Object frame)
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285 {
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286 con->_last_nonminibuf_frame = frame;
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287 }
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288
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20
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289 DEFUN ("consolep", Fconsolep, 1, 1, 0, /*
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290 Return non-nil if OBJECT is a console.
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20
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291 */
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292 (object))
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0
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293 {
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294 if (!CONSOLEP (object))
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295 return Qnil;
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296 return Qt;
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297 }
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298
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20
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299 DEFUN ("console-live-p", Fconsole_live_p, 1, 1, 0, /*
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300 Return non-nil if OBJECT is a console that has not been deleted.
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20
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301 */
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302 (object))
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0
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303 {
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304 if (!CONSOLEP (object) || !CONSOLE_LIVE_P (XCONSOLE (object)))
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305 return Qnil;
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306 return Qt;
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307 }
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308
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20
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309 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /*
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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 `win32' for a console that is a Windows or Windows NT connection (not yet
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314 implemented),
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315 `pc' for a console that is a direct-write MS-DOS connection (not yet
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316 implemented),
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317 `stream' for a stream console (which acts like a stdio stream), and
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318 `dead' for a deleted console.
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20
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319 */
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320 (console))
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0
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321 {
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322 /* don't call decode_console() because we want to allow for dead
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323 consoles. */
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324 if (NILP (console))
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325 console = Fselected_console ();
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326 CHECK_CONSOLE (console);
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327 return CONSOLE_TYPE (XCONSOLE (console));
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328 }
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329
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20
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330 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /*
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0
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331 Return the name of the specified console.
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20
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332 */
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333 (console))
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0
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334 {
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335 return CONSOLE_NAME (decode_console (console));
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336 }
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337
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20
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338 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /*
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0
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339 Return the connection of the specified console.
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340 CONSOLE defaults to the selected console if omitted.
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20
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341 */
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342 (console))
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0
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343 {
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344 return CONSOLE_CONNECTION (decode_console (console));
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345 }
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346
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347 Lisp_Object
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348 make_console (struct console *c)
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349 {
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350 Lisp_Object console = Qnil;
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351 XSETCONSOLE (console, c);
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352 return console;
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353 }
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354
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355 static Lisp_Object
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356 semi_canonicalize_console_connection (struct console_methods *meths,
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357 Lisp_Object name, Error_behavior errb)
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358 {
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359 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection,
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360 (name, errb), name);
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361 }
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362
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363 static Lisp_Object
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364 canonicalize_console_connection (struct console_methods *meths,
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365 Lisp_Object name, Error_behavior errb)
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366 {
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367 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection,
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368 (name, errb), name);
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369 }
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370
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371 static Lisp_Object
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372 find_console_of_type (struct console_methods *meths, Lisp_Object canon)
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373 {
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374 Lisp_Object concons;
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375
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376 CONSOLE_LOOP (concons)
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377 {
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378 Lisp_Object console = XCAR (concons);
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379
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380 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console)))
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381 && !NILP (Fequal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)),
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382 canon)))
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383 return console;
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384 }
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385
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386 return Qnil;
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387 }
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388
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20
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389 DEFUN ("find-console", Ffind_console, 1, 2, 0, /*
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0
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390 Look for an existing console attached to connection CONNECTION.
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391 Return the console if found; otherwise, return nil.
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392
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393 If TYPE is specified, only return consoles of that type; otherwise,
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394 return consoles of any type. (It is possible, although unlikely,
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395 that two consoles of different types could have the same connection
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396 name; in such a case, the first console found is returned.)
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20
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397 */
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398 (connection, type))
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0
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399 {
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400 Lisp_Object canon = Qnil;
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401 struct gcpro gcpro1;
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402
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403 GCPRO1 (canon);
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404
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405 if (!NILP (type))
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406 {
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407 struct console_methods *conmeths = decode_console_type (type,
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408 ERROR_ME);
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|
|
409 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
410 ERROR_ME_NOT);
|
|
|
411 if (UNBOUNDP (canon))
|
|
|
412 RETURN_UNGCPRO (Qnil);
|
|
|
413
|
|
|
414 RETURN_UNGCPRO (find_console_of_type (conmeths, canon));
|
|
|
415 }
|
|
|
416 else
|
|
|
417 {
|
|
|
418 int i;
|
|
|
419
|
|
|
420 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
421 {
|
|
|
422 struct console_methods *conmeths =
|
|
|
423 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
|
424 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
425 ERROR_ME_NOT);
|
|
|
426 if (!UNBOUNDP (canon))
|
|
|
427 {
|
|
|
428 Lisp_Object console = find_console_of_type (conmeths, canon);
|
|
|
429 if (!NILP (console))
|
|
|
430 RETURN_UNGCPRO (console);
|
|
|
431 }
|
|
|
432 }
|
|
|
433
|
|
|
434 RETURN_UNGCPRO (Qnil);
|
|
|
435 }
|
|
|
436 }
|
|
|
437
|
|
20
|
438 DEFUN ("get-console", Fget_console, 1, 2, 0, /*
|
|
0
|
439 Look for an existing console attached to connection CONNECTION.
|
|
|
440 Return the console if found; otherwise, signal an error.
|
|
|
441
|
|
|
442 If TYPE is specified, only return consoles of that type; otherwise,
|
|
|
443 return consoles of any type. (It is possible, although unlikely,
|
|
|
444 that two consoles of different types could have the same connection
|
|
|
445 name; in such a case, the first console found is returned.)
|
|
20
|
446 */
|
|
|
447 (connection, type))
|
|
0
|
448 {
|
|
|
449 Lisp_Object console = Ffind_console (connection, type);
|
|
|
450 if (NILP (console))
|
|
|
451 {
|
|
|
452 if (NILP (type))
|
|
|
453 signal_simple_error ("No such console", connection);
|
|
|
454 else
|
|
|
455 signal_simple_error_2 ("No such console", type, connection);
|
|
|
456 }
|
|
|
457 return console;
|
|
|
458 }
|
|
|
459
|
|
|
460 Lisp_Object
|
|
|
461 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection,
|
|
|
462 Lisp_Object props)
|
|
|
463 {
|
|
|
464 /* This function can GC */
|
|
|
465 struct console *con;
|
|
|
466 Lisp_Object console = Qnil;
|
|
|
467 struct gcpro gcpro1;
|
|
|
468
|
|
|
469 GCPRO1 (console);
|
|
|
470
|
|
|
471 console = Ffind_console (connection, type);
|
|
|
472 if (!NILP (console))
|
|
|
473 RETURN_UNGCPRO (console);
|
|
|
474
|
|
|
475 con = allocate_console ();
|
|
|
476 XSETCONSOLE (console, con);
|
|
|
477
|
|
|
478 con->conmeths = decode_console_type (type, ERROR_ME);
|
|
|
479
|
|
|
480 CONSOLE_NAME (con) = name;
|
|
|
481 CONSOLE_CONNECTION (con) =
|
|
|
482 semi_canonicalize_console_connection (con->conmeths, connection,
|
|
|
483 ERROR_ME);
|
|
|
484 CONSOLE_CANON_CONNECTION (con) =
|
|
|
485 canonicalize_console_connection (con->conmeths, connection,
|
|
|
486 ERROR_ME);
|
|
|
487
|
|
|
488 MAYBE_CONMETH (con, init_console, (con, props));
|
|
|
489
|
|
|
490 /* Do it this way so that the console list is in order of creation */
|
|
|
491 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil));
|
|
|
492
|
|
|
493 if (CONMETH (con, initially_selected_for_input, (con)))
|
|
|
494 event_stream_select_console (con);
|
|
|
495
|
|
|
496 UNGCPRO;
|
|
|
497 return console;
|
|
|
498 }
|
|
|
499
|
|
|
500 void
|
|
|
501 add_entry_to_console_type_list (Lisp_Object symbol,
|
|
|
502 struct console_methods *meths)
|
|
|
503 {
|
|
|
504 struct console_type_entry entry;
|
|
|
505
|
|
|
506 entry.symbol = symbol;
|
|
|
507 entry.meths = meths;
|
|
|
508 Dynarr_add (the_console_type_entry_dynarr, entry);
|
|
|
509 Vconsole_type_list = Fcons (symbol, Vconsole_type_list);
|
|
|
510 }
|
|
|
511
|
|
|
512 /* find a console other than the selected one. Prefer non-stream
|
|
|
513 consoles over stream consoles. */
|
|
|
514
|
|
|
515 static Lisp_Object
|
|
|
516 find_other_console (Lisp_Object console)
|
|
|
517 {
|
|
|
518 Lisp_Object concons;
|
|
|
519
|
|
|
520 /* look for a non-stream console */
|
|
|
521 CONSOLE_LOOP (concons)
|
|
|
522 {
|
|
|
523 Lisp_Object con = XCAR (concons);
|
|
|
524 if (!CONSOLE_STREAM_P (XCONSOLE (con))
|
|
|
525 && !EQ (con, console)
|
|
|
526 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
|
527 && !NILP (DEVICE_SELECTED_FRAME
|
|
|
528 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
529 break;
|
|
|
530 }
|
|
|
531 if (!NILP (concons))
|
|
|
532 return XCAR (concons);
|
|
|
533
|
|
|
534 /* OK, now look for a stream console */
|
|
|
535 CONSOLE_LOOP (concons)
|
|
|
536 {
|
|
|
537 Lisp_Object con = XCAR (concons);
|
|
|
538 if (!EQ (con, console)
|
|
|
539 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
|
540 && !NILP (DEVICE_SELECTED_FRAME
|
|
|
541 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
542 break;
|
|
|
543 }
|
|
|
544 if (!NILP (concons))
|
|
|
545 return XCAR (concons);
|
|
|
546
|
|
|
547 /* Sorry, there ain't none */
|
|
|
548 return Qnil;
|
|
|
549 }
|
|
|
550
|
|
|
551 static int
|
|
|
552 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame,
|
|
|
553 void *closure)
|
|
|
554 {
|
|
|
555 Lisp_Object console;
|
|
|
556
|
|
|
557 VOID_TO_LISP (console, closure);
|
|
|
558 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
|
559 return 0;
|
|
|
560 if (EQ (console, FRAME_CONSOLE (XFRAME (frame))))
|
|
|
561 return 0;
|
|
|
562 return 1;
|
|
|
563 }
|
|
|
564
|
|
|
565 static Lisp_Object
|
|
|
566 find_nonminibuffer_frame_not_on_console (Lisp_Object console)
|
|
|
567 {
|
|
|
568 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate,
|
|
|
569 LISP_TO_VOID (console));
|
|
|
570 }
|
|
|
571
|
|
|
572 /* Delete console CON.
|
|
|
573
|
|
|
574 If FORCE is non-zero, allow deletion of the only frame.
|
|
|
575
|
|
|
576 If CALLED_FROM_KILL_EMACS is non-zero, then, if
|
|
|
577 deleting the last console, just delete it,
|
|
|
578 instead of calling `save-buffers-kill-emacs'.
|
|
|
579
|
|
|
580 If FROM_IO_ERROR is non-zero, then the console is gone due
|
|
|
581 to an I/O error. This affects what happens if we exit
|
|
|
582 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
|
583 */
|
|
|
584
|
|
|
585 void
|
|
|
586 delete_console_internal (struct console *con, int force,
|
|
|
587 int called_from_kill_emacs, int from_io_error)
|
|
|
588 {
|
|
|
589 /* This function can GC */
|
|
|
590 Lisp_Object console = Qnil;
|
|
|
591 struct gcpro gcpro1;
|
|
|
592
|
|
|
593 /* OK to delete an already-deleted console. */
|
|
|
594 if (!CONSOLE_LIVE_P (con))
|
|
|
595 return;
|
|
|
596
|
|
|
597 XSETCONSOLE (console, con);
|
|
|
598 GCPRO1 (console);
|
|
|
599
|
|
|
600 if (!called_from_kill_emacs)
|
|
|
601 {
|
|
|
602 int down_we_go = 0;
|
|
|
603
|
|
|
604 if ((XINT (Flength (Vconsole_list)) == 1)
|
|
|
605 /* if we just created the console, it might not be listed,
|
|
|
606 or something ... */
|
|
|
607 && !NILP (memq_no_quit (console, Vconsole_list)))
|
|
|
608 down_we_go = 1;
|
|
|
609 /* If there aren't any nonminibuffer frames that would
|
|
|
610 be left, then exit. */
|
|
|
611 else if (NILP (find_nonminibuffer_frame_not_on_console (console)))
|
|
|
612 down_we_go = 1;
|
|
|
613
|
|
|
614 if (down_we_go)
|
|
|
615 {
|
|
|
616 if (!force)
|
|
|
617 error ("Attempt to delete the only frame");
|
|
|
618 else if (from_io_error)
|
|
|
619 {
|
|
|
620 /* Mayday mayday! We're going down! */
|
|
|
621 stderr_out (" Autosaving and exiting...\n");
|
|
|
622 Vwindow_system = Qnil; /* let it lie! */
|
|
|
623 preparing_for_armageddon = 1;
|
|
|
624 Fkill_emacs (make_int (70));
|
|
|
625 }
|
|
|
626 else
|
|
|
627 {
|
|
|
628 call0 (Qsave_buffers_kill_emacs);
|
|
|
629 UNGCPRO;
|
|
|
630 /* If we get here, the user said they didn't want
|
|
|
631 to exit, so don't. */
|
|
|
632 return;
|
|
|
633 }
|
|
|
634 }
|
|
|
635 }
|
|
|
636
|
|
|
637 /* Breathe a sigh of relief. We're still alive. */
|
|
|
638
|
|
|
639 {
|
|
|
640 Lisp_Object frmcons, devcons;
|
|
|
641
|
|
|
642 /* First delete all frames without their own minibuffers,
|
|
|
643 to avoid errors coming from attempting to delete a frame
|
|
|
644 that is a surrogate for another frame.
|
|
|
645
|
|
|
646 We don't set "called_from_delete_console" because we want the
|
|
|
647 device to go ahead and get deleted if we delete the last frame
|
|
|
648 on a device. We won't run into trouble here because for any
|
|
|
649 frame without a minibuffer, there has to be another one on
|
|
|
650 the same console with a minibuffer, and we're not deleting that,
|
|
|
651 so delete_console_internal() won't get recursively called.
|
|
|
652
|
|
|
653 WRONG! With surrogate minibuffers this isn't true. Frames
|
|
|
654 with only a minibuffer are not enough to prevent
|
|
|
655 delete_frame_internal from triggering a device deletion. */
|
|
|
656 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con)
|
|
|
657 {
|
|
|
658 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
659 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
660 so be defensive. */
|
|
|
661 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
|
662 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
663
|
|
|
664 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
665 go ahead and delete anything */
|
|
|
666 {
|
|
|
667 UNGCPRO;
|
|
|
668 return;
|
|
|
669 }
|
|
|
670 }
|
|
|
671
|
|
|
672 CONSOLE_DEVICE_LOOP (devcons, con)
|
|
|
673 {
|
|
|
674 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
675 /* delete_device_internal() might do anything such as run hooks,
|
|
|
676 so be defensive. */
|
|
|
677 if (DEVICE_LIVE_P (d))
|
|
|
678 delete_device_internal (d, 1, 1, from_io_error);
|
|
|
679 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
680 go ahead and delete anything */
|
|
|
681 {
|
|
|
682 UNGCPRO;
|
|
|
683 return;
|
|
|
684 }
|
|
|
685 }
|
|
|
686 }
|
|
|
687
|
|
|
688 CONSOLE_SELECTED_DEVICE (con) = Qnil;
|
|
|
689
|
|
|
690 /* try to select another console */
|
|
|
691
|
|
|
692 if (EQ (console, Fselected_console ()))
|
|
|
693 {
|
|
|
694 Lisp_Object other_dev = find_other_console (console);
|
|
|
695 if (!NILP (other_dev))
|
|
|
696 Fselect_console (other_dev);
|
|
|
697 else
|
|
|
698 {
|
|
|
699 /* necessary? */
|
|
|
700 Vselected_console = Qnil;
|
|
|
701 Vwindow_system = Qnil;
|
|
|
702 }
|
|
|
703 }
|
|
|
704
|
|
|
705 if (con->input_enabled)
|
|
|
706 event_stream_unselect_console (con);
|
|
|
707
|
|
|
708 MAYBE_CONMETH (con, delete_console, (con));
|
|
|
709
|
|
|
710 Vconsole_list = delq_no_quit (console, Vconsole_list);
|
|
|
711 RESET_CHANGED_SET_FLAGS;
|
|
|
712 con->conmeths = dead_console_methods;
|
|
|
713
|
|
|
714 UNGCPRO;
|
|
|
715 }
|
|
|
716
|
|
|
717 void
|
|
|
718 io_error_delete_console (Lisp_Object console)
|
|
|
719 {
|
|
|
720 delete_console_internal (XCONSOLE (console), 1, 0, 1);
|
|
|
721 }
|
|
|
722
|
|
20
|
723 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /*
|
|
0
|
724 Delete CONSOLE, permanently eliminating it from use.
|
|
|
725 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
726 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
727 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
728 will automatically call `save-buffers-kill-emacs'.)
|
|
20
|
729 */
|
|
|
730 (console, force))
|
|
0
|
731 {
|
|
|
732 CHECK_CONSOLE (console);
|
|
|
733 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0);
|
|
|
734 return Qnil;
|
|
|
735 }
|
|
|
736
|
|
20
|
737 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /*
|
|
0
|
738 Return a list of all consoles.
|
|
20
|
739 */
|
|
|
740 ())
|
|
0
|
741 {
|
|
|
742 return Fcopy_sequence (Vconsole_list);
|
|
|
743 }
|
|
|
744
|
|
20
|
745 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /*
|
|
0
|
746 Return a list of all devices on CONSOLE.
|
|
|
747 If CONSOLE is nil, the selected console will be used.
|
|
20
|
748 */
|
|
|
749 (console))
|
|
0
|
750 {
|
|
|
751 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console)));
|
|
|
752 }
|
|
|
753
|
|
20
|
754 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /*
|
|
0
|
755 Enable input on console CONSOLE.
|
|
20
|
756 */
|
|
|
757 (console))
|
|
0
|
758 {
|
|
|
759 struct console *con = decode_console (console);
|
|
|
760 if (!con->input_enabled)
|
|
|
761 event_stream_select_console (con);
|
|
|
762 return Qnil;
|
|
|
763 }
|
|
|
764
|
|
20
|
765 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /*
|
|
0
|
766 Disable input on console CONSOLE.
|
|
20
|
767 */
|
|
|
768 (console))
|
|
0
|
769 {
|
|
|
770 struct console *con = decode_console (console);
|
|
|
771 if (con->input_enabled)
|
|
|
772 event_stream_unselect_console (con);
|
|
|
773 return Qnil;
|
|
|
774 }
|
|
|
775
|
|
20
|
776 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /*
|
|
0
|
777 Return non-nil if this console is on a window system.
|
|
|
778 This generally means that there is support for the mouse, the menubar,
|
|
|
779 the toolbar, glyphs, etc.
|
|
20
|
780 */
|
|
|
781 (console))
|
|
0
|
782 {
|
|
|
783 struct console *con = decode_console (console);
|
|
|
784
|
|
|
785 if (EQ (CONSOLE_TYPE (con), Qtty) || EQ (CONSOLE_TYPE (con), Qstream))
|
|
|
786 return Qnil;
|
|
|
787 return Qt;
|
|
|
788 }
|
|
|
789
|
|
|
790
|
|
|
791
|
|
|
792 /**********************************************************************/
|
|
|
793 /* Miscellaneous low-level functions */
|
|
|
794 /**********************************************************************/
|
|
|
795
|
|
|
796 static Lisp_Object
|
|
|
797 unwind_init_sys_modes (Lisp_Object console)
|
|
|
798 {
|
|
|
799 reinit_initial_console ();
|
|
|
800
|
|
|
801 if (!no_redraw_on_reenter)
|
|
|
802 {
|
|
|
803 if (CONSOLEP (console) && CONSOLE_LIVE_P (XCONSOLE (console)))
|
|
|
804 MARK_FRAME_CHANGED
|
|
|
805 (XFRAME (DEVICE_SELECTED_FRAME
|
|
|
806 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console))))));
|
|
|
807 }
|
|
|
808 return Qnil;
|
|
|
809 }
|
|
|
810
|
|
20
|
811 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /*
|
|
0
|
812 Stop Emacs and return to superior process. You can resume later.
|
|
|
813 On systems that don't have job control, run a subshell instead.
|
|
|
814
|
|
|
815 If optional arg STUFFSTRING is non-nil, its characters are stuffed
|
|
|
816 to be read as terminal input by Emacs's superior shell.
|
|
|
817 Before suspending, if `suspend-hook' is bound and value is non-nil
|
|
|
818 call the value as a function of no args. Don't suspend if it returns non-nil.
|
|
|
819 Otherwise, suspend normally and after resumption call
|
|
|
820 `suspend-resume-hook' if that is bound and non-nil.
|
|
|
821
|
|
|
822 Some operating systems cannot stop the Emacs process and resume it later.
|
|
|
823 On such systems, Emacs will start a subshell and wait for it to exit.
|
|
20
|
824 */
|
|
|
825 (stuffstring))
|
|
0
|
826 {
|
|
|
827 int speccount = specpdl_depth ();
|
|
|
828 struct gcpro gcpro1;
|
|
|
829
|
|
|
830 if (!NILP (stuffstring))
|
|
|
831 CHECK_STRING (stuffstring);
|
|
|
832 GCPRO1 (stuffstring);
|
|
|
833
|
|
|
834 /* There used to be a check that the initial console is TTY.
|
|
|
835 This is bogus. Even checking to see whether any console
|
|
|
836 is a controlling terminal is not correct -- maybe
|
|
|
837 the user used the -t option or something. If we want to
|
|
|
838 suspend, then we suspend. Period. */
|
|
|
839
|
|
|
840 /* Call value of suspend-hook. */
|
|
|
841 run_hook (Qsuspend_hook);
|
|
|
842
|
|
|
843 reset_initial_console ();
|
|
|
844 /* sys_suspend can get an error if it tries to fork a subshell
|
|
|
845 and the system resources aren't available for that. */
|
|
|
846 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal);
|
|
|
847 stuff_buffered_input (stuffstring);
|
|
|
848 sys_suspend ();
|
|
|
849 /* the console is un-reset inside of the unwind-protect. */
|
|
|
850 unbind_to (speccount, Qnil);
|
|
|
851
|
|
|
852 #ifdef SIGWINCH
|
|
|
853 /* It is possible that a size change occurred while we were
|
|
|
854 suspended. Assume one did just to be safe. It won't hurt
|
|
|
855 anything if one didn't. */
|
|
|
856 asynch_device_change_pending++;
|
|
|
857 #endif
|
|
|
858
|
|
|
859 /* Call value of suspend-resume-hook
|
|
|
860 if it is bound and value is non-nil. */
|
|
|
861 run_hook (Qsuspend_resume_hook);
|
|
|
862
|
|
|
863 UNGCPRO;
|
|
|
864 return Qnil;
|
|
|
865 }
|
|
|
866
|
|
|
867 /* If STUFFSTRING is a string, stuff its contents as pending terminal input.
|
|
|
868 Then in any case stuff anything Emacs has read ahead and not used. */
|
|
|
869
|
|
|
870 void
|
|
|
871 stuff_buffered_input (Lisp_Object stuffstring)
|
|
|
872 {
|
|
|
873 /* stuff_char works only in BSD, versions 4.2 and up. */
|
|
|
874 #if defined (BSD)
|
|
|
875 if (!CONSOLEP (Vcontrolling_terminal) ||
|
|
|
876 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal)))
|
|
|
877 return;
|
|
|
878
|
|
|
879 if (STRINGP (stuffstring))
|
|
|
880 {
|
|
|
881 Extcount count;
|
|
|
882 Extbyte *p;
|
|
|
883
|
|
|
884 GET_STRING_EXT_DATA_ALLOCA (stuffstring, FORMAT_KEYBOARD, p, count);
|
|
|
885 while (count-- > 0)
|
|
|
886 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++);
|
|
|
887 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n');
|
|
|
888 }
|
|
|
889 /* Anything we have read ahead, put back for the shell to read. */
|
|
|
890 # if 0 /* oh, who cares about this silliness */
|
|
|
891 while (kbd_fetch_ptr != kbd_store_ptr)
|
|
|
892 {
|
|
|
893 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE)
|
|
|
894 kbd_fetch_ptr = kbd_buffer;
|
|
|
895 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++);
|
|
|
896 }
|
|
|
897 # endif
|
|
|
898 #endif /* BSD */
|
|
|
899 }
|
|
110
|
900 #ifdef HAVE_TTY
|
|
|
901 extern Lisp_Object Fconsole_tty_controlling_process(Lisp_Object console);
|
|
|
902 #endif
|
|
30
|
903
|
|
108
|
904 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /*
|
|
|
905 Suspend a console. For tty consoles, it sends a signal to suspend
|
|
|
906 the process in charge of the tty, and removes the devices and
|
|
|
907 frames of that console from the display.
|
|
|
908
|
|
|
909 If optional arg CONSOLE is non-nil, it is the console to be suspended.
|
|
|
910 Otherwise it is assumed to be the selected console.
|
|
|
911
|
|
|
912 Some operating systems cannot stop processes and resume them later.
|
|
|
913 On such systems, who knows what will happen.
|
|
|
914 */
|
|
|
915 (console))
|
|
|
916 {
|
|
|
917 Lisp_Object devcons;
|
|
|
918 Lisp_Object framecons;
|
|
|
919 struct console *c;
|
|
|
920 struct gcpro gcpro1;
|
|
|
921
|
|
110
|
922 #ifdef HAVE_TTY
|
|
108
|
923 if (NILP (console))
|
|
|
924 console=Fselected_console();
|
|
|
925
|
|
|
926 GCPRO1 (console);
|
|
|
927
|
|
|
928 c = decode_console(console);
|
|
|
929
|
|
|
930 if (CONSOLE_TTY_P (c))
|
|
|
931 {
|
|
|
932 CONSOLE_DEVICE_LOOP (devcons, c)
|
|
|
933 {
|
|
|
934 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
935 DEVICE_FRAME_LOOP (framecons, d)
|
|
|
936 {
|
|
|
937 Fmake_frame_invisible(XCAR(framecons), Qt);
|
|
|
938 }
|
|
|
939 }
|
|
|
940 reset_one_console(c);
|
|
|
941 sys_suspend_process(XINT(Fconsole_tty_controlling_process(console)));
|
|
|
942 }
|
|
|
943
|
|
|
944 UNGCPRO;
|
|
110
|
945 #endif
|
|
108
|
946 return Qnil;
|
|
|
947 }
|
|
|
948
|
|
|
949 DEFUN ("resume-console", Fresume_console, 1, 1, "", /*
|
|
|
950 Re-initialize a previously suspended console. For tty consoles,
|
|
|
951 do stuff to the tty to make it sane again.
|
|
|
952 */
|
|
|
953 (console))
|
|
|
954 {
|
|
|
955 Lisp_Object devcons;
|
|
|
956 Lisp_Object framecons;
|
|
|
957 struct console *c;
|
|
|
958 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
959
|
|
110
|
960 #ifdef HAVE_TTY
|
|
108
|
961 GCPRO2 (console, devcons);
|
|
|
962
|
|
|
963 c = decode_console(console);
|
|
|
964
|
|
|
965 if (CONSOLE_TTY_P(c))
|
|
|
966 {
|
|
|
967 CONSOLE_DEVICE_LOOP (devcons, c)
|
|
|
968 {
|
|
|
969 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
970 DEVICE_FRAME_LOOP (framecons, d)
|
|
|
971 {
|
|
|
972 Fmake_frame_visible(XCAR(framecons));
|
|
|
973 }
|
|
|
974 }
|
|
|
975 init_one_console(c);
|
|
151
|
976 #ifdef SIGWINCH
|
|
|
977 /* The same as in Fsuspend_emacs: it is possible that a size
|
|
|
978 change occurred while we were suspended. Assume one did just
|
|
|
979 to be safe. It won't hurt anything if one didn't. */
|
|
|
980 asynch_device_change_pending++;
|
|
|
981 #endif
|
|
108
|
982 }
|
|
|
983
|
|
|
984 UNGCPRO;
|
|
110
|
985 #endif
|
|
108
|
986 return Qnil;
|
|
|
987 }
|
|
|
988
|
|
20
|
989 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /*
|
|
0
|
990 Set mode of reading keyboard input.
|
|
|
991 First arg is ignored, for backward compatibility.
|
|
|
992 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal
|
|
|
993 (no effect except in CBREAK mode).
|
|
|
994 Third arg META t means accept 8-bit input (for a Meta key).
|
|
|
995 META nil means ignore the top bit, on the assumption it is parity.
|
|
|
996 Otherwise, accept 8-bit input and don't use the top bit for Meta.
|
|
|
997 First three arguments only apply to TTY consoles.
|
|
|
998 Optional fourth arg QUIT if non-nil specifies character to use for quitting.
|
|
|
999 Optional fifth arg CONSOLE specifies console to make changes to; nil means
|
|
|
1000 the selected console.
|
|
|
1001 See also `current-input-mode'.
|
|
20
|
1002 */
|
|
70
|
1003 (ignored, flow, meta, quit, console))
|
|
0
|
1004 {
|
|
|
1005 struct console *con = decode_console (console);
|
|
|
1006 int meta_key = 1;
|
|
|
1007
|
|
|
1008 if (CONSOLE_TTY_P (con))
|
|
|
1009 {
|
|
|
1010 if (NILP (meta))
|
|
|
1011 meta_key = 0;
|
|
|
1012 else if (EQ (meta, Qt))
|
|
|
1013 meta_key = 1;
|
|
|
1014 else
|
|
|
1015 meta_key = 2;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 if (!NILP (quit))
|
|
|
1019 {
|
|
|
1020 CHECK_CHAR_COERCE_INT (quit);
|
|
|
1021 CONSOLE_QUIT_CHAR (con) =
|
|
|
1022 ((unsigned int) XCHAR (quit)) & (meta_key ? 0377 : 0177);
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 if (CONSOLE_TTY_P (con))
|
|
|
1026 {
|
|
|
1027 reset_one_console (con);
|
|
|
1028 TTY_FLAGS (con).flow_control = !NILP (flow);
|
|
|
1029 TTY_FLAGS (con).meta_key = meta_key;
|
|
|
1030 init_one_console (con);
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 return Qnil;
|
|
|
1034 }
|
|
|
1035
|
|
20
|
1036 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /*
|
|
0
|
1037 Return information about the way Emacs currently reads keyboard input.
|
|
|
1038 Optional arg CONSOLE specifies console to return information about; nil means
|
|
|
1039 the selected console.
|
|
|
1040 The value is a list of the form (nil FLOW META QUIT), where
|
|
|
1041 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the
|
|
|
1042 terminal; this does not apply if Emacs uses interrupt-driven input.
|
|
|
1043 META is t if accepting 8-bit input with 8th bit as Meta flag.
|
|
|
1044 META nil means ignoring the top bit, on the assumption it is parity.
|
|
|
1045 META is neither t nor nil if accepting 8-bit input and using
|
|
|
1046 all 8 bits as the character code.
|
|
|
1047 QUIT is the character Emacs currently uses to quit.
|
|
|
1048 FLOW, and META are only meaningful for TTY consoles.
|
|
|
1049 The elements of this list correspond to the arguments of
|
|
|
1050 `set-input-mode'.
|
|
20
|
1051 */
|
|
|
1052 (console))
|
|
0
|
1053 {
|
|
|
1054 Lisp_Object val[4];
|
|
|
1055 struct console *con = decode_console (console);
|
|
|
1056
|
|
|
1057 val[0] = Qnil;
|
|
|
1058 val[1] = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil;
|
|
|
1059 val[2] = (!CONSOLE_TTY_P (con) || TTY_FLAGS (con).meta_key == 1) ?
|
|
|
1060 Qt : TTY_FLAGS (con).meta_key == 2 ? make_int (0) : Qnil;
|
|
|
1061 val[3] = make_char (CONSOLE_QUIT_CHAR (con));
|
|
|
1062
|
|
|
1063 return Flist (sizeof (val) / sizeof (val[0]), val);
|
|
|
1064 }
|
|
|
1065
|
|
|
1066
|
|
|
1067 /************************************************************************/
|
|
|
1068 /* initialization */
|
|
|
1069 /************************************************************************/
|
|
|
1070
|
|
|
1071 void
|
|
|
1072 syms_of_console (void)
|
|
|
1073 {
|
|
20
|
1074 DEFSUBR (Fvalid_console_type_p);
|
|
|
1075 DEFSUBR (Fconsole_type_list);
|
|
|
1076 DEFSUBR (Fcdfw_console);
|
|
|
1077 DEFSUBR (Fselected_console);
|
|
|
1078 DEFSUBR (Fselect_console);
|
|
|
1079 DEFSUBR (Fconsolep);
|
|
|
1080 DEFSUBR (Fconsole_live_p);
|
|
|
1081 DEFSUBR (Fconsole_type);
|
|
|
1082 DEFSUBR (Fconsole_name);
|
|
|
1083 DEFSUBR (Fconsole_connection);
|
|
|
1084 DEFSUBR (Ffind_console);
|
|
|
1085 DEFSUBR (Fget_console);
|
|
|
1086 DEFSUBR (Fdelete_console);
|
|
|
1087 DEFSUBR (Fconsole_list);
|
|
|
1088 DEFSUBR (Fconsole_device_list);
|
|
|
1089 DEFSUBR (Fconsole_enable_input);
|
|
|
1090 DEFSUBR (Fconsole_disable_input);
|
|
|
1091 DEFSUBR (Fconsole_on_window_system_p);
|
|
108
|
1092 DEFSUBR (Fsuspend_console);
|
|
|
1093 DEFSUBR (Fresume_console);
|
|
|
1094
|
|
20
|
1095 DEFSUBR (Fsuspend_emacs);
|
|
|
1096 DEFSUBR (Fset_input_mode);
|
|
|
1097 DEFSUBR (Fcurrent_input_mode);
|
|
0
|
1098
|
|
|
1099 defsymbol (&Qconsolep, "consolep");
|
|
|
1100 defsymbol (&Qconsole_live_p, "console-live-p");
|
|
|
1101
|
|
|
1102 defsymbol (&Qcreate_console_hook, "create-console-hook");
|
|
|
1103 defsymbol (&Qdelete_console_hook, "delete-console-hook");
|
|
|
1104
|
|
|
1105 defsymbol (&Qsuspend_hook, "suspend-hook");
|
|
|
1106 defsymbol (&Qsuspend_resume_hook, "suspend-resume-hook");
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 void
|
|
|
1110 console_type_create (void)
|
|
|
1111 {
|
|
|
1112 the_console_type_entry_dynarr = Dynarr_new (struct console_type_entry);
|
|
|
1113
|
|
|
1114 Vconsole_type_list = Qnil;
|
|
|
1115 staticpro (&Vconsole_type_list);
|
|
|
1116
|
|
|
1117 /* Initialize the dead console type */
|
|
|
1118 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p");
|
|
|
1119
|
|
|
1120 /* then reset the console-type lists, because `dead' is not really
|
|
|
1121 a valid console type */
|
|
|
1122 Dynarr_reset (the_console_type_entry_dynarr);
|
|
|
1123 Vconsole_type_list = Qnil;
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 void
|
|
|
1127 vars_of_console (void)
|
|
|
1128 {
|
|
|
1129 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /*
|
|
|
1130 Function or functions to call when a console is created.
|
|
|
1131 One argument, the newly-created console.
|
|
|
1132 This is called after the first frame has been created, but before
|
|
|
1133 calling the `create-device-hook' or `create-frame-hook'.
|
|
|
1134 Note that in general the console will not be selected.
|
|
|
1135 */ );
|
|
|
1136 Vcreate_console_hook = Qnil;
|
|
|
1137
|
|
|
1138 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /*
|
|
|
1139 Function or functions to call when a console is deleted.
|
|
|
1140 One argument, the to-be-deleted console.
|
|
|
1141 */ );
|
|
|
1142 Vdelete_console_hook = Qnil;
|
|
|
1143
|
|
|
1144 staticpro (&Vconsole_list);
|
|
|
1145 Vconsole_list = Qnil;
|
|
|
1146 staticpro (&Vselected_console);
|
|
|
1147 Vselected_console = Qnil;
|
|
|
1148
|
|
|
1149 #ifdef HAVE_WINDOW_SYSTEM
|
|
|
1150 Fprovide (intern ("window-system"));
|
|
|
1151 #endif
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 /* DOC is ignored because it is snagged and recorded externally
|
|
|
1155 * by make-docfile */
|
|
|
1156 /* Declaring this stuff as const produces 'Cannot reinitialize' messages
|
|
|
1157 from SunPro C's fix-and-continue feature (a way neato feature that
|
|
|
1158 makes debugging unbelievably more bearable) */
|
|
|
1159 #define DEFVAR_CONSOLE_LOCAL(lname, field_name) \
|
|
|
1160 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1161 = { { { { lrecord_symbol_value_forward }, \
|
|
|
1162 (void *) &(console_local_flags.field_name), 69 }, \
|
|
|
1163 SYMVAL_SELECTED_CONSOLE_FORWARD }, 0 }; \
|
|
|
1164 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1165 } while (0)
|
|
|
1166
|
|
|
1167 #define DEFVAR_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
|
|
|
1168 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1169 = { { { { lrecord_symbol_value_forward }, \
|
|
|
1170 (void *) &(console_local_flags.field_name), 69 }, \
|
|
|
1171 SYMVAL_SELECTED_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1172 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1173 } while (0)
|
|
|
1174
|
|
|
1175 #define DEFVAR_CONST_CONSOLE_LOCAL(lname, field_name) \
|
|
|
1176 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1177 = { { { { lrecord_symbol_value_forward }, \
|
|
|
1178 (void *) &(console_local_flags.field_name), 69 }, \
|
|
|
1179 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD }, 0 }; \
|
|
|
1180 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1181 } while (0)
|
|
|
1182
|
|
|
1183 #define DEFVAR_CONST_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
|
|
|
1184 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1185 = { { { { lrecord_symbol_value_forward }, \
|
|
|
1186 (void *) &(console_local_flags.field_name), 69 }, \
|
|
|
1187 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1188 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1189 } while (0)
|
|
|
1190
|
|
|
1191 #define DEFVAR_CONSOLE_DEFAULTS(lname, field_name) \
|
|
|
1192 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1193 = { { { { lrecord_symbol_value_forward }, \
|
|
|
1194 (void *) &(console_local_flags.field_name), 69 }, \
|
|
|
1195 SYMVAL_DEFAULT_CONSOLE_FORWARD }, 0 }; \
|
|
|
1196 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
|
|
|
1197 } while (0)
|
|
|
1198
|
|
|
1199 #define DEFVAR_CONSOLE_DEFAULTS_MAGIC(lname, field_name, magicfun) \
|
|
|
1200 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
|
1201 = { { { { lrecord_symbol_value_forward }, \
|
|
|
1202 (void *) &(console_local_flags.field_name), 69 }, \
|
|
|
1203 SYMVAL_DEFAULT_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1204 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
|
|
|
1205 } while (0)
|
|
|
1206
|
|
|
1207 static void
|
|
|
1208 defvar_console_local (CONST char *namestring,
|
|
|
1209 CONST struct symbol_value_forward *m)
|
|
|
1210 {
|
|
|
1211 int offset = ((char *)symbol_value_forward_forward (m)
|
|
|
1212 - (char *)&console_local_flags);
|
|
|
1213
|
|
|
1214 defvar_mumble (namestring, m, sizeof (*m));
|
|
|
1215
|
|
|
1216 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols)))
|
|
|
1217 = intern (namestring);
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 static void
|
|
|
1221 nuke_all_console_slots (struct console *con, Lisp_Object zap)
|
|
|
1222 {
|
|
|
1223 zero_lcrecord (con);
|
|
|
1224
|
|
|
1225 #define MARKED_SLOT(x) con->x = (zap);
|
|
|
1226 #include "conslots.h"
|
|
|
1227 #undef MARKED_SLOT
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 void
|
|
|
1231 complex_vars_of_console (void)
|
|
|
1232 {
|
|
|
1233 /* Make sure all markable slots in console_defaults
|
|
|
1234 are initialized reasonably, so mark_console won't choke.
|
|
|
1235 */
|
|
|
1236 struct console *defs = alloc_lcrecord (sizeof (struct console),
|
|
|
1237 lrecord_console);
|
|
|
1238 struct console *syms = alloc_lcrecord (sizeof (struct console),
|
|
|
1239 lrecord_console);
|
|
|
1240
|
|
|
1241 staticpro (&Vconsole_defaults);
|
|
|
1242 staticpro (&Vconsole_local_symbols);
|
|
|
1243 XSETCONSOLE (Vconsole_defaults, defs);
|
|
|
1244 XSETCONSOLE (Vconsole_local_symbols, syms);
|
|
|
1245
|
|
|
1246 nuke_all_console_slots (syms, Qnil);
|
|
|
1247 nuke_all_console_slots (defs, Qnil);
|
|
|
1248
|
|
|
1249 /* Set up the non-nil default values of various console slots.
|
|
|
1250 Must do these before making the first console.
|
|
|
1251 */
|
|
|
1252 /* #### Anything needed here? */
|
|
|
1253
|
|
|
1254 {
|
|
|
1255 /* 0 means var is always local. Default used only at creation.
|
|
|
1256 * -1 means var is always local. Default used only at reset and
|
|
|
1257 * creation.
|
|
|
1258 * -2 means there's no lisp variable corresponding to this slot
|
|
|
1259 * and the default is only used at creation.
|
|
|
1260 * -3 means no Lisp variable. Default used only at reset and creation.
|
|
|
1261 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0)
|
|
|
1262 * Otherwise default is used.
|
|
|
1263 *
|
|
|
1264 * #### We don't currently ever reset console variables, so there
|
|
|
1265 * is no current distinction between 0 and -1, and between -2 and -3.
|
|
|
1266 */
|
|
|
1267 Lisp_Object always_local_resettable = make_int (-1);
|
|
|
1268
|
|
|
1269 #if 0 /* not used */
|
|
|
1270 Lisp_Object always_local_no_default = make_int (0);
|
|
|
1271 Lisp_Object resettable = make_int (-3);
|
|
|
1272 #endif
|
|
|
1273
|
|
|
1274 /* Assign the local-flags to the slots that have default values.
|
|
|
1275 The local flag is a bit that is used in the console
|
|
|
1276 to say that it has its own local value for the slot.
|
|
|
1277 The local flag bits are in the local_var_flags slot of the
|
|
|
1278 console. */
|
|
|
1279
|
|
|
1280 nuke_all_console_slots (&console_local_flags, make_int (-2));
|
|
|
1281 console_local_flags.defining_kbd_macro = always_local_resettable;
|
|
|
1282 console_local_flags.last_kbd_macro = always_local_resettable;
|
|
|
1283 console_local_flags.prefix_arg = always_local_resettable;
|
|
|
1284 console_local_flags.default_minibuffer_frame = always_local_resettable;
|
|
|
1285 console_local_flags.overriding_terminal_local_map =
|
|
|
1286 always_local_resettable;
|
|
155
|
1287 console_local_flags.tty_erase_char = always_local_resettable;
|
|
0
|
1288
|
|
|
1289 console_local_flags.function_key_map = make_int (1);
|
|
|
1290
|
|
|
1291 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
|
|
|
1292 currently allowable due to the XINT() handling of this value.
|
|
|
1293 With some rearrangement you can get 4 more bits. */
|
|
|
1294 }
|
|
|
1295
|
|
|
1296 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /*
|
|
|
1297 Default value of `function-key-map' for consoles that don't override it.
|
|
|
1298 This is the same as (default-value 'function-key-map).
|
|
|
1299 */ );
|
|
|
1300
|
|
|
1301 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /*
|
|
|
1302 Keymap mapping ASCII function key sequences onto their preferred forms.
|
|
|
1303 This allows Emacs to recognize function keys sent from ASCII
|
|
|
1304 terminals at any point in a key sequence.
|
|
|
1305
|
|
|
1306 The `read-key-sequence' function replaces any subsequence bound by
|
|
|
1307 `function-key-map' with its binding. More precisely, when the active
|
|
|
1308 keymaps have no binding for the current key sequence but
|
|
|
1309 `function-key-map' binds a suffix of the sequence to a vector or string,
|
|
|
1310 `read-key-sequence' replaces the matching suffix with its binding, and
|
|
|
1311 continues with the new sequence.
|
|
|
1312
|
|
|
1313 The events that come from bindings in `function-key-map' are not
|
|
|
1314 themselves looked up in `function-key-map'.
|
|
|
1315
|
|
|
1316 For example, suppose `function-key-map' binds `ESC O P' to [f1].
|
|
|
1317 Typing `ESC O P' to `read-key-sequence' would return
|
|
|
1318 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return
|
|
|
1319 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1]
|
|
|
1320 were a prefix key, typing `ESC O P x' would return
|
|
|
1321 \[#<keypress-event f1> #<keypress-event x>].
|
|
|
1322 */ );
|
|
|
1323
|
|
155
|
1324 /* ### Should this somehow go to TTY data? How do we make it
|
|
|
1325 accessible from Lisp, then? */
|
|
|
1326 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /*
|
|
|
1327 The ERASE character as set by the user with stty.
|
|
|
1328 When this value cannot be determined or would be meaningless (on non-TTY
|
|
|
1329 consoles, for example), it is set to nil.
|
|
|
1330 */ );
|
|
|
1331
|
|
0
|
1332 /* While this should be CONST it can't be because some things
|
|
|
1333 (i.e. edebug) do maninpulate it. */
|
|
|
1334 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /*
|
|
|
1335 Non-nil while a console macro is being defined. Don't set this!
|
|
|
1336 */ );
|
|
|
1337
|
|
|
1338 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /*
|
|
|
1339 Last kbd macro defined, as a vector of events; nil if none defined.
|
|
|
1340 */ );
|
|
|
1341
|
|
|
1342 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /*
|
|
|
1343 The value of the prefix argument for the next editing command.
|
|
|
1344 It may be a number, or the symbol `-' for just a minus sign as arg,
|
|
|
1345 or a list whose car is a number for just one or more C-U's
|
|
|
1346 or nil if no argument has been specified.
|
|
|
1347
|
|
|
1348 You cannot examine this variable to find the argument for this command
|
|
|
1349 since it has been set to nil by the time you can look.
|
|
|
1350 Instead, you should use the variable `current-prefix-arg', although
|
|
|
1351 normally commands can get this prefix argument with (interactive \"P\").
|
|
|
1352 */ );
|
|
|
1353
|
|
|
1354 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame",
|
|
|
1355 default_minibuffer_frame /*
|
|
|
1356 Minibufferless frames use this frame's minibuffer.
|
|
|
1357
|
|
|
1358 Emacs cannot create minibufferless frames unless this is set to an
|
|
|
1359 appropriate surrogate.
|
|
|
1360
|
|
|
1361 XEmacs consults this variable only when creating minibufferless
|
|
|
1362 frames; once the frame is created, it sticks with its assigned
|
|
|
1363 minibuffer, no matter what this variable is set to. This means that
|
|
|
1364 this variable doesn't necessarily say anything meaningful about the
|
|
|
1365 current set of frames, or where the minibuffer is currently being
|
|
|
1366 displayed.
|
|
|
1367 */ );
|
|
|
1368
|
|
|
1369 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map",
|
|
|
1370 overriding_terminal_local_map /*
|
|
|
1371 Keymap that overrides all other local keymaps, for the selected console only.
|
|
|
1372 If this variable is non-nil, it is used as a keymap instead of the
|
|
|
1373 buffer's local map, and the minor mode keymaps and text property keymaps.
|
|
|
1374 */ );
|
|
|
1375
|
|
|
1376 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding
|
|
|
1377 slot of console_local_flags and vice-versa. Must be done after all
|
|
|
1378 DEFVAR_CONSOLE_LOCAL() calls. */
|
|
|
1379 #define MARKED_SLOT(slot) \
|
|
|
1380 if ((XINT (console_local_flags.slot) != -2 && \
|
|
|
1381 XINT (console_local_flags.slot) != -3) \
|
|
|
1382 != !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))) \
|
|
|
1383 abort ()
|
|
|
1384 #include "conslots.h"
|
|
|
1385 #undef MARKED_SLOT
|
|
|
1386 }
|
