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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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185
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75 If a slot is -2, there is no DEFVAR_CONSOLE_LOCAL for it.
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0
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76 (The slot is always local, but there's no lisp variable for it.)
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185
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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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185
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83
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0
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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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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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185
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153 struct console *con = alloc_lcrecord_type (struct console, lrecord_console);
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0
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154 struct gcpro gcpro1;
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155
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156 copy_lcrecord (con, XCONSOLE (Vconsole_defaults));
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157
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158 XSETCONSOLE (console, con);
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159 GCPRO1 (console);
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160
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161 con->quit_char = 7; /* C-g */
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162 con->command_builder = allocate_command_builder (console);
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163 con->function_key_map = Fmake_sparse_keymap (Qnil);
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164
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165 UNGCPRO;
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166 return con;
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167 }
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168
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169 struct console *
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170 decode_console (Lisp_Object console)
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171 {
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172 if (NILP (console))
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173 console = Fselected_console ();
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174 /* quietly accept devices and frames for the console arg */
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175 if (DEVICEP (console) || FRAMEP (console))
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176 console = DEVICE_CONSOLE (decode_device (console));
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177 CHECK_LIVE_CONSOLE (console);
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178 return XCONSOLE (console);
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179 }
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180
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181
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182 struct console_methods *
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183 decode_console_type (Lisp_Object type, Error_behavior errb)
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184 {
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185 int i;
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186
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187 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
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188 {
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189 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol))
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190 return Dynarr_at (the_console_type_entry_dynarr, i).meths;
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191 }
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192
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193 maybe_signal_simple_error ("Invalid console type", type, Qconsole, errb);
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194
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195 return 0;
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196 }
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197
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198 int
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199 valid_console_type_p (Lisp_Object type)
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200 {
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201 if (decode_console_type (type, ERROR_ME_NOT))
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202 return 1;
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203 return 0;
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204 }
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205
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20
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206 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /*
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0
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207 Given a CONSOLE-TYPE, return t if it is valid.
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208 Valid types are 'x, 'tty, and 'stream.
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20
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209 */
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210 (console_type))
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0
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211 {
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212 if (valid_console_type_p (console_type))
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213 return Qt;
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214 else
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215 return Qnil;
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216 }
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217
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20
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218 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /*
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219 Return a list of valid console types.
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20
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220 */
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221 ())
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0
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222 {
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223 return Fcopy_sequence (Vconsole_type_list);
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224 }
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225
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20
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226 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /*
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227 Given a console, device, frame, or window, return the associated console.
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228 Return nil otherwise.
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20
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229 */
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230 (obj))
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0
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231 {
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232 return CDFW_CONSOLE (obj);
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233 }
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234
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235
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20
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236 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /*
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237 Return the console which is currently active.
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20
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238 */
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239 ())
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0
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240 {
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241 return Vselected_console;
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242 }
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243
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244 /* Called from selected_device_1(), called from selected_frame_1(),
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245 called from Fselect_window() */
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246 void
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247 select_console_1 (Lisp_Object console)
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248 {
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249 /* perhaps this should do something more complicated */
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250 Vselected_console = console;
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251
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70
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252 /* #### Schedule this to be removed in 19.14 */
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0
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253 #ifdef HAVE_X_WINDOWS
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254 if (CONSOLE_X_P (XCONSOLE (console)))
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255 Vwindow_system = Qx;
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256 else
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257 #endif
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258 Vwindow_system = Qnil;
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259 }
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260
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20
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261 DEFUN ("select-console", Fselect_console, 1, 1, 0, /*
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262 Select the console CONSOLE.
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263 Subsequent editing commands apply to its selected device, selected frame,
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264 and selected window. The selection of CONSOLE lasts until the next time
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265 the user does something to select a different console, or until the next
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266 time this function is called.
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20
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267 */
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268 (console))
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0
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269 {
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163
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270 Lisp_Object device;
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271
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272 CHECK_LIVE_CONSOLE (console);
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273
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163
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274 device = CONSOLE_SELECTED_DEVICE (XCONSOLE (console));
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275 if (!NILP (device))
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276 {
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277 struct device *d = XDEVICE (device);
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278 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
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279 if (!NILP (frame))
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280 {
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281 struct frame *f = XFRAME(frame);
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282 Fselect_window (FRAME_SELECTED_WINDOW (f));
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283 }
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284 else
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285 error ("Can't select console with no frames.");
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286 }
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0
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287 else
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288 error ("Can't select a console with no devices");
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289 return Qnil;
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290 }
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291
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292 void
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293 set_console_last_nonminibuf_frame (struct console *con,
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294 Lisp_Object frame)
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295 {
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296 con->_last_nonminibuf_frame = frame;
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297 }
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298
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20
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299 DEFUN ("consolep", Fconsolep, 1, 1, 0, /*
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300 Return non-nil if OBJECT is a console.
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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))
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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-live-p", Fconsole_live_p, 1, 1, 0, /*
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310 Return non-nil if OBJECT is a console that has not been deleted.
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20
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311 */
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312 (object))
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0
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313 {
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314 if (!CONSOLEP (object) || !CONSOLE_LIVE_P (XCONSOLE (object)))
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315 return Qnil;
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316 return Qt;
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317 }
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318
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20
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319 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /*
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0
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320 Return the type of the specified console (e.g. `x' or `tty').
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321 Value is `tty' for a tty console (a character-only terminal),
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322 `x' for a console that is an X display,
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213
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323 `mswindows' for a console that is a Windows NT/95/97 connection,
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0
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324 `pc' for a console that is a direct-write MS-DOS connection (not yet
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325 implemented),
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326 `stream' for a stream console (which acts like a stdio stream), and
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327 `dead' for a deleted console.
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20
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328 */
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329 (console))
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0
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330 {
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331 /* don't call decode_console() because we want to allow for dead
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332 consoles. */
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333 if (NILP (console))
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334 console = Fselected_console ();
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335 CHECK_CONSOLE (console);
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336 return CONSOLE_TYPE (XCONSOLE (console));
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337 }
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338
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20
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339 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /*
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0
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340 Return the name of the specified console.
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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_NAME (decode_console (console));
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345 }
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346
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20
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347 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /*
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0
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348 Return the connection of the specified console.
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349 CONSOLE defaults to the selected console if omitted.
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20
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350 */
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351 (console))
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0
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352 {
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353 return CONSOLE_CONNECTION (decode_console (console));
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354 }
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355
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356 Lisp_Object
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357 make_console (struct console *c)
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358 {
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359 Lisp_Object console = Qnil;
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360 XSETCONSOLE (console, c);
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361 return console;
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362 }
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363
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364 static Lisp_Object
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365 semi_canonicalize_console_connection (struct console_methods *meths,
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366 Lisp_Object name, Error_behavior errb)
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367 {
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368 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection,
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369 (name, errb), name);
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370 }
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371
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372 static Lisp_Object
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373 canonicalize_console_connection (struct console_methods *meths,
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374 Lisp_Object name, Error_behavior errb)
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375 {
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376 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection,
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377 (name, errb), name);
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378 }
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379
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380 static Lisp_Object
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381 find_console_of_type (struct console_methods *meths, Lisp_Object canon)
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382 {
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383 Lisp_Object concons;
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384
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385 CONSOLE_LOOP (concons)
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386 {
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387 Lisp_Object console = XCAR (concons);
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388
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389 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console)))
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195
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390 && internal_equal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)),
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391 canon, 0))
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0
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392 return console;
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393 }
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394
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395 return Qnil;
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396 }
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397
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20
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398 DEFUN ("find-console", Ffind_console, 1, 2, 0, /*
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0
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399 Look for an existing console attached to connection CONNECTION.
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400 Return the console if found; otherwise, return nil.
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401
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402 If TYPE is specified, only return consoles of that type; otherwise,
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403 return consoles of any type. (It is possible, although unlikely,
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404 that two consoles of different types could have the same connection
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405 name; in such a case, the first console found is returned.)
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|
20
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406 */
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407 (connection, type))
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0
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408 {
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|
409 Lisp_Object canon = Qnil;
|
|
|
410 struct gcpro gcpro1;
|
|
|
411
|
|
|
412 GCPRO1 (canon);
|
|
|
413
|
|
|
414 if (!NILP (type))
|
|
|
415 {
|
|
|
416 struct console_methods *conmeths = decode_console_type (type,
|
|
|
417 ERROR_ME);
|
|
|
418 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
419 ERROR_ME_NOT);
|
|
|
420 if (UNBOUNDP (canon))
|
|
|
421 RETURN_UNGCPRO (Qnil);
|
|
|
422
|
|
|
423 RETURN_UNGCPRO (find_console_of_type (conmeths, canon));
|
|
|
424 }
|
|
|
425 else
|
|
|
426 {
|
|
|
427 int i;
|
|
|
428
|
|
|
429 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
430 {
|
|
|
431 struct console_methods *conmeths =
|
|
|
432 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
|
433 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
434 ERROR_ME_NOT);
|
|
|
435 if (!UNBOUNDP (canon))
|
|
|
436 {
|
|
|
437 Lisp_Object console = find_console_of_type (conmeths, canon);
|
|
|
438 if (!NILP (console))
|
|
|
439 RETURN_UNGCPRO (console);
|
|
|
440 }
|
|
|
441 }
|
|
|
442
|
|
|
443 RETURN_UNGCPRO (Qnil);
|
|
|
444 }
|
|
|
445 }
|
|
|
446
|
|
20
|
447 DEFUN ("get-console", Fget_console, 1, 2, 0, /*
|
|
0
|
448 Look for an existing console attached to connection CONNECTION.
|
|
|
449 Return the console if found; otherwise, signal an error.
|
|
|
450
|
|
|
451 If TYPE is specified, only return consoles of that type; otherwise,
|
|
|
452 return consoles of any type. (It is possible, although unlikely,
|
|
|
453 that two consoles of different types could have the same connection
|
|
|
454 name; in such a case, the first console found is returned.)
|
|
20
|
455 */
|
|
|
456 (connection, type))
|
|
0
|
457 {
|
|
|
458 Lisp_Object console = Ffind_console (connection, type);
|
|
|
459 if (NILP (console))
|
|
|
460 {
|
|
|
461 if (NILP (type))
|
|
|
462 signal_simple_error ("No such console", connection);
|
|
|
463 else
|
|
|
464 signal_simple_error_2 ("No such console", type, connection);
|
|
|
465 }
|
|
|
466 return console;
|
|
|
467 }
|
|
|
468
|
|
|
469 Lisp_Object
|
|
|
470 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection,
|
|
|
471 Lisp_Object props)
|
|
|
472 {
|
|
|
473 /* This function can GC */
|
|
|
474 struct console *con;
|
|
|
475 Lisp_Object console = Qnil;
|
|
|
476 struct gcpro gcpro1;
|
|
|
477
|
|
|
478 GCPRO1 (console);
|
|
|
479
|
|
|
480 console = Ffind_console (connection, type);
|
|
|
481 if (!NILP (console))
|
|
|
482 RETURN_UNGCPRO (console);
|
|
|
483
|
|
|
484 con = allocate_console ();
|
|
|
485 XSETCONSOLE (console, con);
|
|
|
486
|
|
|
487 con->conmeths = decode_console_type (type, ERROR_ME);
|
|
|
488
|
|
|
489 CONSOLE_NAME (con) = name;
|
|
|
490 CONSOLE_CONNECTION (con) =
|
|
|
491 semi_canonicalize_console_connection (con->conmeths, connection,
|
|
|
492 ERROR_ME);
|
|
|
493 CONSOLE_CANON_CONNECTION (con) =
|
|
|
494 canonicalize_console_connection (con->conmeths, connection,
|
|
|
495 ERROR_ME);
|
|
|
496
|
|
|
497 MAYBE_CONMETH (con, init_console, (con, props));
|
|
|
498
|
|
|
499 /* Do it this way so that the console list is in order of creation */
|
|
|
500 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil));
|
|
|
501
|
|
|
502 if (CONMETH (con, initially_selected_for_input, (con)))
|
|
|
503 event_stream_select_console (con);
|
|
|
504
|
|
|
505 UNGCPRO;
|
|
|
506 return console;
|
|
|
507 }
|
|
|
508
|
|
|
509 void
|
|
|
510 add_entry_to_console_type_list (Lisp_Object symbol,
|
|
|
511 struct console_methods *meths)
|
|
|
512 {
|
|
|
513 struct console_type_entry entry;
|
|
|
514
|
|
|
515 entry.symbol = symbol;
|
|
|
516 entry.meths = meths;
|
|
|
517 Dynarr_add (the_console_type_entry_dynarr, entry);
|
|
|
518 Vconsole_type_list = Fcons (symbol, Vconsole_type_list);
|
|
|
519 }
|
|
|
520
|
|
|
521 /* find a console other than the selected one. Prefer non-stream
|
|
|
522 consoles over stream consoles. */
|
|
|
523
|
|
|
524 static Lisp_Object
|
|
|
525 find_other_console (Lisp_Object console)
|
|
|
526 {
|
|
|
527 Lisp_Object concons;
|
|
|
528
|
|
|
529 /* look for a non-stream console */
|
|
|
530 CONSOLE_LOOP (concons)
|
|
|
531 {
|
|
|
532 Lisp_Object con = XCAR (concons);
|
|
|
533 if (!CONSOLE_STREAM_P (XCONSOLE (con))
|
|
|
534 && !EQ (con, console)
|
|
|
535 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
185
|
536 && !NILP (DEVICE_SELECTED_FRAME
|
|
0
|
537 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
538 break;
|
|
|
539 }
|
|
|
540 if (!NILP (concons))
|
|
|
541 return XCAR (concons);
|
|
|
542
|
|
|
543 /* OK, now look for a stream console */
|
|
|
544 CONSOLE_LOOP (concons)
|
|
|
545 {
|
|
|
546 Lisp_Object con = XCAR (concons);
|
|
|
547 if (!EQ (con, console)
|
|
|
548 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
185
|
549 && !NILP (DEVICE_SELECTED_FRAME
|
|
0
|
550 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
551 break;
|
|
|
552 }
|
|
|
553 if (!NILP (concons))
|
|
|
554 return XCAR (concons);
|
|
|
555
|
|
|
556 /* Sorry, there ain't none */
|
|
|
557 return Qnil;
|
|
|
558 }
|
|
|
559
|
|
|
560 static int
|
|
|
561 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame,
|
|
|
562 void *closure)
|
|
|
563 {
|
|
|
564 Lisp_Object console;
|
|
|
565
|
|
|
566 VOID_TO_LISP (console, closure);
|
|
|
567 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
|
568 return 0;
|
|
|
569 if (EQ (console, FRAME_CONSOLE (XFRAME (frame))))
|
|
|
570 return 0;
|
|
|
571 return 1;
|
|
|
572 }
|
|
|
573
|
|
|
574 static Lisp_Object
|
|
|
575 find_nonminibuffer_frame_not_on_console (Lisp_Object console)
|
|
|
576 {
|
|
|
577 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate,
|
|
|
578 LISP_TO_VOID (console));
|
|
|
579 }
|
|
|
580
|
|
|
581 /* Delete console CON.
|
|
|
582
|
|
|
583 If FORCE is non-zero, allow deletion of the only frame.
|
|
|
584
|
|
|
585 If CALLED_FROM_KILL_EMACS is non-zero, then, if
|
|
|
586 deleting the last console, just delete it,
|
|
|
587 instead of calling `save-buffers-kill-emacs'.
|
|
|
588
|
|
|
589 If FROM_IO_ERROR is non-zero, then the console is gone due
|
|
|
590 to an I/O error. This affects what happens if we exit
|
|
|
591 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
|
592 */
|
|
|
593
|
|
|
594 void
|
|
|
595 delete_console_internal (struct console *con, int force,
|
|
185
|
596 int called_from_kill_emacs, int from_io_error)
|
|
0
|
597 {
|
|
|
598 /* This function can GC */
|
|
|
599 Lisp_Object console = Qnil;
|
|
|
600 struct gcpro gcpro1;
|
|
|
601
|
|
|
602 /* OK to delete an already-deleted console. */
|
|
|
603 if (!CONSOLE_LIVE_P (con))
|
|
|
604 return;
|
|
|
605
|
|
|
606 XSETCONSOLE (console, con);
|
|
|
607 GCPRO1 (console);
|
|
|
608
|
|
|
609 if (!called_from_kill_emacs)
|
|
|
610 {
|
|
|
611 int down_we_go = 0;
|
|
|
612
|
|
|
613 if ((XINT (Flength (Vconsole_list)) == 1)
|
|
|
614 /* if we just created the console, it might not be listed,
|
|
|
615 or something ... */
|
|
|
616 && !NILP (memq_no_quit (console, Vconsole_list)))
|
|
|
617 down_we_go = 1;
|
|
|
618 /* If there aren't any nonminibuffer frames that would
|
|
|
619 be left, then exit. */
|
|
|
620 else if (NILP (find_nonminibuffer_frame_not_on_console (console)))
|
|
|
621 down_we_go = 1;
|
|
|
622
|
|
|
623 if (down_we_go)
|
|
|
624 {
|
|
|
625 if (!force)
|
|
|
626 error ("Attempt to delete the only frame");
|
|
|
627 else if (from_io_error)
|
|
|
628 {
|
|
|
629 /* Mayday mayday! We're going down! */
|
|
|
630 stderr_out (" Autosaving and exiting...\n");
|
|
|
631 Vwindow_system = Qnil; /* let it lie! */
|
|
|
632 preparing_for_armageddon = 1;
|
|
|
633 Fkill_emacs (make_int (70));
|
|
|
634 }
|
|
|
635 else
|
|
|
636 {
|
|
|
637 call0 (Qsave_buffers_kill_emacs);
|
|
|
638 UNGCPRO;
|
|
|
639 /* If we get here, the user said they didn't want
|
|
|
640 to exit, so don't. */
|
|
|
641 return;
|
|
|
642 }
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 /* Breathe a sigh of relief. We're still alive. */
|
|
|
647
|
|
|
648 {
|
|
|
649 Lisp_Object frmcons, devcons;
|
|
|
650
|
|
|
651 /* First delete all frames without their own minibuffers,
|
|
|
652 to avoid errors coming from attempting to delete a frame
|
|
|
653 that is a surrogate for another frame.
|
|
|
654
|
|
|
655 We don't set "called_from_delete_console" because we want the
|
|
|
656 device to go ahead and get deleted if we delete the last frame
|
|
|
657 on a device. We won't run into trouble here because for any
|
|
|
658 frame without a minibuffer, there has to be another one on
|
|
|
659 the same console with a minibuffer, and we're not deleting that,
|
|
|
660 so delete_console_internal() won't get recursively called.
|
|
|
661
|
|
|
662 WRONG! With surrogate minibuffers this isn't true. Frames
|
|
|
663 with only a minibuffer are not enough to prevent
|
|
|
664 delete_frame_internal from triggering a device deletion. */
|
|
|
665 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con)
|
|
|
666 {
|
|
|
667 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
668 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
669 so be defensive. */
|
|
|
670 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
|
671 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
672
|
|
|
673 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
674 go ahead and delete anything */
|
|
|
675 {
|
|
|
676 UNGCPRO;
|
|
|
677 return;
|
|
|
678 }
|
|
|
679 }
|
|
|
680
|
|
|
681 CONSOLE_DEVICE_LOOP (devcons, con)
|
|
|
682 {
|
|
|
683 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
684 /* delete_device_internal() might do anything such as run hooks,
|
|
|
685 so be defensive. */
|
|
|
686 if (DEVICE_LIVE_P (d))
|
|
|
687 delete_device_internal (d, 1, 1, from_io_error);
|
|
|
688 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
689 go ahead and delete anything */
|
|
|
690 {
|
|
|
691 UNGCPRO;
|
|
|
692 return;
|
|
|
693 }
|
|
|
694 }
|
|
|
695 }
|
|
185
|
696
|
|
0
|
697 CONSOLE_SELECTED_DEVICE (con) = Qnil;
|
|
185
|
698
|
|
0
|
699 /* try to select another console */
|
|
185
|
700
|
|
0
|
701 if (EQ (console, Fselected_console ()))
|
|
|
702 {
|
|
|
703 Lisp_Object other_dev = find_other_console (console);
|
|
|
704 if (!NILP (other_dev))
|
|
|
705 Fselect_console (other_dev);
|
|
|
706 else
|
|
|
707 {
|
|
|
708 /* necessary? */
|
|
|
709 Vselected_console = Qnil;
|
|
|
710 Vwindow_system = Qnil;
|
|
|
711 }
|
|
|
712 }
|
|
|
713
|
|
|
714 if (con->input_enabled)
|
|
|
715 event_stream_unselect_console (con);
|
|
185
|
716
|
|
0
|
717 MAYBE_CONMETH (con, delete_console, (con));
|
|
|
718
|
|
|
719 Vconsole_list = delq_no_quit (console, Vconsole_list);
|
|
|
720 RESET_CHANGED_SET_FLAGS;
|
|
|
721 con->conmeths = dead_console_methods;
|
|
|
722
|
|
|
723 UNGCPRO;
|
|
|
724 }
|
|
|
725
|
|
|
726 void
|
|
|
727 io_error_delete_console (Lisp_Object console)
|
|
|
728 {
|
|
|
729 delete_console_internal (XCONSOLE (console), 1, 0, 1);
|
|
|
730 }
|
|
|
731
|
|
20
|
732 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /*
|
|
0
|
733 Delete CONSOLE, permanently eliminating it from use.
|
|
|
734 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
735 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
736 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
737 will automatically call `save-buffers-kill-emacs'.)
|
|
20
|
738 */
|
|
|
739 (console, force))
|
|
0
|
740 {
|
|
|
741 CHECK_CONSOLE (console);
|
|
|
742 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0);
|
|
|
743 return Qnil;
|
|
|
744 }
|
|
|
745
|
|
20
|
746 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /*
|
|
0
|
747 Return a list of all consoles.
|
|
20
|
748 */
|
|
|
749 ())
|
|
0
|
750 {
|
|
|
751 return Fcopy_sequence (Vconsole_list);
|
|
|
752 }
|
|
|
753
|
|
20
|
754 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /*
|
|
0
|
755 Return a list of all devices on CONSOLE.
|
|
|
756 If CONSOLE is nil, the selected console will be used.
|
|
20
|
757 */
|
|
|
758 (console))
|
|
0
|
759 {
|
|
|
760 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console)));
|
|
|
761 }
|
|
|
762
|
|
20
|
763 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /*
|
|
0
|
764 Enable input on console CONSOLE.
|
|
20
|
765 */
|
|
|
766 (console))
|
|
0
|
767 {
|
|
|
768 struct console *con = decode_console (console);
|
|
|
769 if (!con->input_enabled)
|
|
|
770 event_stream_select_console (con);
|
|
|
771 return Qnil;
|
|
|
772 }
|
|
|
773
|
|
20
|
774 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /*
|
|
0
|
775 Disable input on console CONSOLE.
|
|
20
|
776 */
|
|
|
777 (console))
|
|
0
|
778 {
|
|
|
779 struct console *con = decode_console (console);
|
|
|
780 if (con->input_enabled)
|
|
|
781 event_stream_unselect_console (con);
|
|
|
782 return Qnil;
|
|
|
783 }
|
|
|
784
|
|
20
|
785 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /*
|
|
0
|
786 Return non-nil if this console is on a window system.
|
|
|
787 This generally means that there is support for the mouse, the menubar,
|
|
|
788 the toolbar, glyphs, etc.
|
|
20
|
789 */
|
|
|
790 (console))
|
|
0
|
791 {
|
|
|
792 struct console *con = decode_console (console);
|
|
|
793
|
|
|
794 if (EQ (CONSOLE_TYPE (con), Qtty) || EQ (CONSOLE_TYPE (con), Qstream))
|
|
|
795 return Qnil;
|
|
|
796 return Qt;
|
|
|
797 }
|
|
|
798
|
|
|
799
|
|
|
800
|
|
|
801 /**********************************************************************/
|
|
|
802 /* Miscellaneous low-level functions */
|
|
|
803 /**********************************************************************/
|
|
|
804
|
|
|
805 static Lisp_Object
|
|
|
806 unwind_init_sys_modes (Lisp_Object console)
|
|
|
807 {
|
|
|
808 reinit_initial_console ();
|
|
|
809
|
|
|
810 if (!no_redraw_on_reenter)
|
|
|
811 {
|
|
|
812 if (CONSOLEP (console) && CONSOLE_LIVE_P (XCONSOLE (console)))
|
|
|
813 MARK_FRAME_CHANGED
|
|
|
814 (XFRAME (DEVICE_SELECTED_FRAME
|
|
|
815 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console))))));
|
|
|
816 }
|
|
|
817 return Qnil;
|
|
|
818 }
|
|
|
819
|
|
20
|
820 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /*
|
|
0
|
821 Stop Emacs and return to superior process. You can resume later.
|
|
|
822 On systems that don't have job control, run a subshell instead.
|
|
|
823
|
|
|
824 If optional arg STUFFSTRING is non-nil, its characters are stuffed
|
|
|
825 to be read as terminal input by Emacs's superior shell.
|
|
213
|
826
|
|
|
827 Before suspending, run the normal hook `suspend-hook'.
|
|
|
828 After resumption run the normal hook `suspend-resume-hook'.
|
|
0
|
829
|
|
|
830 Some operating systems cannot stop the Emacs process and resume it later.
|
|
|
831 On such systems, Emacs will start a subshell and wait for it to exit.
|
|
20
|
832 */
|
|
|
833 (stuffstring))
|
|
0
|
834 {
|
|
|
835 int speccount = specpdl_depth ();
|
|
|
836 struct gcpro gcpro1;
|
|
|
837
|
|
|
838 if (!NILP (stuffstring))
|
|
|
839 CHECK_STRING (stuffstring);
|
|
|
840 GCPRO1 (stuffstring);
|
|
|
841
|
|
|
842 /* There used to be a check that the initial console is TTY.
|
|
|
843 This is bogus. Even checking to see whether any console
|
|
|
844 is a controlling terminal is not correct -- maybe
|
|
|
845 the user used the -t option or something. If we want to
|
|
|
846 suspend, then we suspend. Period. */
|
|
|
847
|
|
|
848 /* Call value of suspend-hook. */
|
|
|
849 run_hook (Qsuspend_hook);
|
|
|
850
|
|
|
851 reset_initial_console ();
|
|
|
852 /* sys_suspend can get an error if it tries to fork a subshell
|
|
|
853 and the system resources aren't available for that. */
|
|
|
854 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal);
|
|
|
855 stuff_buffered_input (stuffstring);
|
|
|
856 sys_suspend ();
|
|
|
857 /* the console is un-reset inside of the unwind-protect. */
|
|
|
858 unbind_to (speccount, Qnil);
|
|
|
859
|
|
|
860 #ifdef SIGWINCH
|
|
|
861 /* It is possible that a size change occurred while we were
|
|
|
862 suspended. Assume one did just to be safe. It won't hurt
|
|
|
863 anything if one didn't. */
|
|
|
864 asynch_device_change_pending++;
|
|
|
865 #endif
|
|
|
866
|
|
|
867 /* Call value of suspend-resume-hook
|
|
|
868 if it is bound and value is non-nil. */
|
|
|
869 run_hook (Qsuspend_resume_hook);
|
|
185
|
870
|
|
0
|
871 UNGCPRO;
|
|
|
872 return Qnil;
|
|
|
873 }
|
|
|
874
|
|
|
875 /* If STUFFSTRING is a string, stuff its contents as pending terminal input.
|
|
|
876 Then in any case stuff anything Emacs has read ahead and not used. */
|
|
|
877
|
|
|
878 void
|
|
|
879 stuff_buffered_input (Lisp_Object stuffstring)
|
|
|
880 {
|
|
|
881 /* stuff_char works only in BSD, versions 4.2 and up. */
|
|
|
882 #if defined (BSD)
|
|
|
883 if (!CONSOLEP (Vcontrolling_terminal) ||
|
|
|
884 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal)))
|
|
|
885 return;
|
|
|
886
|
|
|
887 if (STRINGP (stuffstring))
|
|
|
888 {
|
|
|
889 Extcount count;
|
|
|
890 Extbyte *p;
|
|
|
891
|
|
|
892 GET_STRING_EXT_DATA_ALLOCA (stuffstring, FORMAT_KEYBOARD, p, count);
|
|
|
893 while (count-- > 0)
|
|
|
894 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++);
|
|
|
895 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n');
|
|
|
896 }
|
|
|
897 /* Anything we have read ahead, put back for the shell to read. */
|
|
|
898 # if 0 /* oh, who cares about this silliness */
|
|
|
899 while (kbd_fetch_ptr != kbd_store_ptr)
|
|
|
900 {
|
|
|
901 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE)
|
|
|
902 kbd_fetch_ptr = kbd_buffer;
|
|
|
903 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++);
|
|
|
904 }
|
|
|
905 # endif
|
|
|
906 #endif /* BSD */
|
|
|
907 }
|
|
110
|
908 #ifdef HAVE_TTY
|
|
|
909 extern Lisp_Object Fconsole_tty_controlling_process(Lisp_Object console);
|
|
|
910 #endif
|
|
30
|
911
|
|
108
|
912 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /*
|
|
|
913 Suspend a console. For tty consoles, it sends a signal to suspend
|
|
|
914 the process in charge of the tty, and removes the devices and
|
|
|
915 frames of that console from the display.
|
|
|
916
|
|
|
917 If optional arg CONSOLE is non-nil, it is the console to be suspended.
|
|
|
918 Otherwise it is assumed to be the selected console.
|
|
|
919
|
|
|
920 Some operating systems cannot stop processes and resume them later.
|
|
|
921 On such systems, who knows what will happen.
|
|
|
922 */
|
|
|
923 (console))
|
|
|
924 {
|
|
245
|
925 #ifdef HAVE_TTY
|
|
108
|
926 struct console *c;
|
|
|
927
|
|
161
|
928 c = decode_console (console);
|
|
108
|
929
|
|
185
|
930 if (CONSOLE_TTY_P (c))
|
|
108
|
931 {
|
|
161
|
932 /*
|
|
|
933 * hide all the unhidden frames so the display code won't update
|
|
|
934 * them while the console is suspended.
|
|
|
935 */
|
|
|
936 Lisp_Object device = CONSOLE_SELECTED_DEVICE (c);
|
|
|
937 if (!NILP (device))
|
|
108
|
938 {
|
|
161
|
939 struct device *d = XDEVICE (device);
|
|
|
940 Lisp_Object frame_list = DEVICE_FRAME_LIST (d);
|
|
|
941 while (CONSP (frame_list))
|
|
108
|
942 {
|
|
161
|
943 struct frame *f = XFRAME (XCAR (frame_list));
|
|
|
944 if (FRAME_REPAINT_P (f))
|
|
|
945 f->visible = -1;
|
|
|
946 frame_list = XCDR (frame_list);
|
|
108
|
947 }
|
|
|
948 }
|
|
161
|
949 reset_one_console (c);
|
|
|
950 event_stream_unselect_console (c);
|
|
108
|
951 sys_suspend_process(XINT(Fconsole_tty_controlling_process(console)));
|
|
|
952 }
|
|
|
953
|
|
110
|
954 #endif
|
|
108
|
955 return Qnil;
|
|
|
956 }
|
|
|
957
|
|
|
958 DEFUN ("resume-console", Fresume_console, 1, 1, "", /*
|
|
|
959 Re-initialize a previously suspended console. For tty consoles,
|
|
|
960 do stuff to the tty to make it sane again.
|
|
|
961 */
|
|
|
962 (console))
|
|
|
963 {
|
|
245
|
964 #ifdef HAVE_TTY
|
|
108
|
965 struct console *c;
|
|
|
966
|
|
161
|
967 c = decode_console (console);
|
|
108
|
968
|
|
185
|
969 if (CONSOLE_TTY_P (c))
|
|
108
|
970 {
|
|
161
|
971 /* raise the selected frame */
|
|
|
972 Lisp_Object device = CONSOLE_SELECTED_DEVICE (c);
|
|
|
973 if (!NILP (device))
|
|
108
|
974 {
|
|
161
|
975 struct device *d = XDEVICE (device);
|
|
|
976 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
|
|
|
977 if (!NILP (frame))
|
|
108
|
978 {
|
|
161
|
979 /* force the frame to be cleared */
|
|
|
980 SET_FRAME_CLEAR (XFRAME (frame));
|
|
|
981 Fraise_frame (frame);
|
|
108
|
982 }
|
|
|
983 }
|
|
161
|
984 init_one_console (c);
|
|
|
985 event_stream_select_console (c);
|
|
151
|
986 #ifdef SIGWINCH
|
|
|
987 /* The same as in Fsuspend_emacs: it is possible that a size
|
|
|
988 change occurred while we were suspended. Assume one did just
|
|
|
989 to be safe. It won't hurt anything if one didn't. */
|
|
|
990 asynch_device_change_pending++;
|
|
|
991 #endif
|
|
108
|
992 }
|
|
|
993
|
|
110
|
994 #endif
|
|
108
|
995 return Qnil;
|
|
|
996 }
|
|
|
997
|
|
20
|
998 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /*
|
|
0
|
999 Set mode of reading keyboard input.
|
|
|
1000 First arg is ignored, for backward compatibility.
|
|
|
1001 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal
|
|
|
1002 (no effect except in CBREAK mode).
|
|
|
1003 Third arg META t means accept 8-bit input (for a Meta key).
|
|
|
1004 META nil means ignore the top bit, on the assumption it is parity.
|
|
|
1005 Otherwise, accept 8-bit input and don't use the top bit for Meta.
|
|
|
1006 First three arguments only apply to TTY consoles.
|
|
|
1007 Optional fourth arg QUIT if non-nil specifies character to use for quitting.
|
|
|
1008 Optional fifth arg CONSOLE specifies console to make changes to; nil means
|
|
|
1009 the selected console.
|
|
|
1010 See also `current-input-mode'.
|
|
20
|
1011 */
|
|
70
|
1012 (ignored, flow, meta, quit, console))
|
|
0
|
1013 {
|
|
|
1014 struct console *con = decode_console (console);
|
|
|
1015 int meta_key = 1;
|
|
|
1016
|
|
|
1017 if (CONSOLE_TTY_P (con))
|
|
|
1018 {
|
|
|
1019 if (NILP (meta))
|
|
|
1020 meta_key = 0;
|
|
|
1021 else if (EQ (meta, Qt))
|
|
|
1022 meta_key = 1;
|
|
|
1023 else
|
|
|
1024 meta_key = 2;
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 if (!NILP (quit))
|
|
|
1028 {
|
|
|
1029 CHECK_CHAR_COERCE_INT (quit);
|
|
|
1030 CONSOLE_QUIT_CHAR (con) =
|
|
|
1031 ((unsigned int) XCHAR (quit)) & (meta_key ? 0377 : 0177);
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 if (CONSOLE_TTY_P (con))
|
|
|
1035 {
|
|
|
1036 reset_one_console (con);
|
|
|
1037 TTY_FLAGS (con).flow_control = !NILP (flow);
|
|
|
1038 TTY_FLAGS (con).meta_key = meta_key;
|
|
|
1039 init_one_console (con);
|
|
|
1040 }
|
|
|
1041
|
|
|
1042 return Qnil;
|
|
|
1043 }
|
|
|
1044
|
|
20
|
1045 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /*
|
|
0
|
1046 Return information about the way Emacs currently reads keyboard input.
|
|
|
1047 Optional arg CONSOLE specifies console to return information about; nil means
|
|
|
1048 the selected console.
|
|
|
1049 The value is a list of the form (nil FLOW META QUIT), where
|
|
|
1050 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the
|
|
|
1051 terminal; this does not apply if Emacs uses interrupt-driven input.
|
|
|
1052 META is t if accepting 8-bit input with 8th bit as Meta flag.
|
|
|
1053 META nil means ignoring the top bit, on the assumption it is parity.
|
|
|
1054 META is neither t nor nil if accepting 8-bit input and using
|
|
|
1055 all 8 bits as the character code.
|
|
|
1056 QUIT is the character Emacs currently uses to quit.
|
|
|
1057 FLOW, and META are only meaningful for TTY consoles.
|
|
|
1058 The elements of this list correspond to the arguments of
|
|
|
1059 `set-input-mode'.
|
|
20
|
1060 */
|
|
|
1061 (console))
|
|
0
|
1062 {
|
|
|
1063 Lisp_Object val[4];
|
|
|
1064 struct console *con = decode_console (console);
|
|
185
|
1065
|
|
0
|
1066 val[0] = Qnil;
|
|
|
1067 val[1] = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil;
|
|
|
1068 val[2] = (!CONSOLE_TTY_P (con) || TTY_FLAGS (con).meta_key == 1) ?
|
|
227
|
1069 Qt : TTY_FLAGS (con).meta_key == 2 ? Qzero : Qnil;
|
|
0
|
1070 val[3] = make_char (CONSOLE_QUIT_CHAR (con));
|
|
185
|
1071
|
|
0
|
1072 return Flist (sizeof (val) / sizeof (val[0]), val);
|
|
|
1073 }
|
|
|
1074
|
|
|
1075
|
|
|
1076 /************************************************************************/
|
|
|
1077 /* initialization */
|
|
|
1078 /************************************************************************/
|
|
|
1079
|
|
|
1080 void
|
|
|
1081 syms_of_console (void)
|
|
|
1082 {
|
|
20
|
1083 DEFSUBR (Fvalid_console_type_p);
|
|
|
1084 DEFSUBR (Fconsole_type_list);
|
|
|
1085 DEFSUBR (Fcdfw_console);
|
|
|
1086 DEFSUBR (Fselected_console);
|
|
|
1087 DEFSUBR (Fselect_console);
|
|
|
1088 DEFSUBR (Fconsolep);
|
|
|
1089 DEFSUBR (Fconsole_live_p);
|
|
|
1090 DEFSUBR (Fconsole_type);
|
|
|
1091 DEFSUBR (Fconsole_name);
|
|
|
1092 DEFSUBR (Fconsole_connection);
|
|
|
1093 DEFSUBR (Ffind_console);
|
|
|
1094 DEFSUBR (Fget_console);
|
|
|
1095 DEFSUBR (Fdelete_console);
|
|
|
1096 DEFSUBR (Fconsole_list);
|
|
|
1097 DEFSUBR (Fconsole_device_list);
|
|
|
1098 DEFSUBR (Fconsole_enable_input);
|
|
|
1099 DEFSUBR (Fconsole_disable_input);
|
|
|
1100 DEFSUBR (Fconsole_on_window_system_p);
|
|
108
|
1101 DEFSUBR (Fsuspend_console);
|
|
|
1102 DEFSUBR (Fresume_console);
|
|
185
|
1103
|
|
20
|
1104 DEFSUBR (Fsuspend_emacs);
|
|
|
1105 DEFSUBR (Fset_input_mode);
|
|
|
1106 DEFSUBR (Fcurrent_input_mode);
|
|
0
|
1107
|
|
|
1108 defsymbol (&Qconsolep, "consolep");
|
|
|
1109 defsymbol (&Qconsole_live_p, "console-live-p");
|
|
|
1110
|
|
|
1111 defsymbol (&Qcreate_console_hook, "create-console-hook");
|
|
|
1112 defsymbol (&Qdelete_console_hook, "delete-console-hook");
|
|
|
1113
|
|
|
1114 defsymbol (&Qsuspend_hook, "suspend-hook");
|
|
|
1115 defsymbol (&Qsuspend_resume_hook, "suspend-resume-hook");
|
|
|
1116 }
|
|
|
1117
|
|
|
1118 void
|
|
|
1119 console_type_create (void)
|
|
|
1120 {
|
|
185
|
1121 the_console_type_entry_dynarr = Dynarr_new (console_type_entry);
|
|
0
|
1122
|
|
|
1123 Vconsole_type_list = Qnil;
|
|
|
1124 staticpro (&Vconsole_type_list);
|
|
|
1125
|
|
|
1126 /* Initialize the dead console type */
|
|
|
1127 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p");
|
|
|
1128
|
|
|
1129 /* then reset the console-type lists, because `dead' is not really
|
|
|
1130 a valid console type */
|
|
|
1131 Dynarr_reset (the_console_type_entry_dynarr);
|
|
|
1132 Vconsole_type_list = Qnil;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 void
|
|
|
1136 vars_of_console (void)
|
|
|
1137 {
|
|
|
1138 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /*
|
|
|
1139 Function or functions to call when a console is created.
|
|
|
1140 One argument, the newly-created console.
|
|
|
1141 This is called after the first frame has been created, but before
|
|
|
1142 calling the `create-device-hook' or `create-frame-hook'.
|
|
|
1143 Note that in general the console will not be selected.
|
|
|
1144 */ );
|
|
|
1145 Vcreate_console_hook = Qnil;
|
|
|
1146
|
|
|
1147 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /*
|
|
|
1148 Function or functions to call when a console is deleted.
|
|
|
1149 One argument, the to-be-deleted console.
|
|
|
1150 */ );
|
|
|
1151 Vdelete_console_hook = Qnil;
|
|
|
1152
|
|
|
1153 staticpro (&Vconsole_list);
|
|
|
1154 Vconsole_list = Qnil;
|
|
|
1155 staticpro (&Vselected_console);
|
|
|
1156 Vselected_console = Qnil;
|
|
|
1157
|
|
|
1158 #ifdef HAVE_WINDOW_SYSTEM
|
|
|
1159 Fprovide (intern ("window-system"));
|
|
|
1160 #endif
|
|
|
1161 }
|
|
|
1162
|
|
185
|
1163 /* DOC is ignored because it is snagged and recorded externally
|
|
0
|
1164 * by make-docfile */
|
|
|
1165 /* Declaring this stuff as const produces 'Cannot reinitialize' messages
|
|
|
1166 from SunPro C's fix-and-continue feature (a way neato feature that
|
|
|
1167 makes debugging unbelievably more bearable) */
|
|
185
|
1168 #define DEFVAR_CONSOLE_LOCAL(lname, field_name) do { \
|
|
|
1169 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1170 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1171 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1172 SYMVAL_SELECTED_CONSOLE_FORWARD }, 0 }; \
|
|
|
1173 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1174 } while (0)
|
|
0
|
1175
|
|
185
|
1176 #define DEFVAR_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) do { \
|
|
|
1177 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1178 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1179 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1180 SYMVAL_SELECTED_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1181 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1182 } while (0)
|
|
0
|
1183
|
|
185
|
1184 #define DEFVAR_CONST_CONSOLE_LOCAL(lname, field_name) do { \
|
|
|
1185 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1186 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1187 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1188 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD }, 0 }; \
|
|
|
1189 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1190 } while (0)
|
|
0
|
1191
|
|
185
|
1192 #define DEFVAR_CONST_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) do { \
|
|
|
1193 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1194 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1195 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1196 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1197 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1198 } while (0)
|
|
0
|
1199
|
|
185
|
1200 #define DEFVAR_CONSOLE_DEFAULTS(lname, field_name) do { \
|
|
|
1201 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1202 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1203 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1204 SYMVAL_DEFAULT_CONSOLE_FORWARD }, 0 }; \
|
|
|
1205 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
|
|
|
1206 } while (0)
|
|
0
|
1207
|
|
185
|
1208 #define DEFVAR_CONSOLE_DEFAULTS_MAGIC(lname, field_name, magicfun) do { \
|
|
|
1209 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1210 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1211 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1212 SYMVAL_DEFAULT_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1213 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
|
|
|
1214 } while (0)
|
|
0
|
1215
|
|
|
1216 static void
|
|
185
|
1217 defvar_console_local (CONST char *namestring,
|
|
0
|
1218 CONST struct symbol_value_forward *m)
|
|
|
1219 {
|
|
|
1220 int offset = ((char *)symbol_value_forward_forward (m)
|
|
|
1221 - (char *)&console_local_flags);
|
|
|
1222
|
|
|
1223 defvar_mumble (namestring, m, sizeof (*m));
|
|
|
1224
|
|
185
|
1225 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols)))
|
|
0
|
1226 = intern (namestring);
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 static void
|
|
|
1230 nuke_all_console_slots (struct console *con, Lisp_Object zap)
|
|
|
1231 {
|
|
|
1232 zero_lcrecord (con);
|
|
|
1233
|
|
|
1234 #define MARKED_SLOT(x) con->x = (zap);
|
|
|
1235 #include "conslots.h"
|
|
|
1236 #undef MARKED_SLOT
|
|
|
1237 }
|
|
|
1238
|
|
|
1239 void
|
|
|
1240 complex_vars_of_console (void)
|
|
|
1241 {
|
|
|
1242 /* Make sure all markable slots in console_defaults
|
|
|
1243 are initialized reasonably, so mark_console won't choke.
|
|
|
1244 */
|
|
185
|
1245 struct console *defs = alloc_lcrecord_type (struct console, lrecord_console);
|
|
|
1246 struct console *syms = alloc_lcrecord_type (struct console, lrecord_console);
|
|
0
|
1247
|
|
|
1248 staticpro (&Vconsole_defaults);
|
|
|
1249 staticpro (&Vconsole_local_symbols);
|
|
|
1250 XSETCONSOLE (Vconsole_defaults, defs);
|
|
|
1251 XSETCONSOLE (Vconsole_local_symbols, syms);
|
|
185
|
1252
|
|
0
|
1253 nuke_all_console_slots (syms, Qnil);
|
|
|
1254 nuke_all_console_slots (defs, Qnil);
|
|
185
|
1255
|
|
0
|
1256 /* Set up the non-nil default values of various console slots.
|
|
|
1257 Must do these before making the first console.
|
|
|
1258 */
|
|
|
1259 /* #### Anything needed here? */
|
|
185
|
1260
|
|
0
|
1261 {
|
|
|
1262 /* 0 means var is always local. Default used only at creation.
|
|
|
1263 * -1 means var is always local. Default used only at reset and
|
|
|
1264 * creation.
|
|
|
1265 * -2 means there's no lisp variable corresponding to this slot
|
|
|
1266 * and the default is only used at creation.
|
|
|
1267 * -3 means no Lisp variable. Default used only at reset and creation.
|
|
|
1268 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0)
|
|
|
1269 * Otherwise default is used.
|
|
|
1270 *
|
|
|
1271 * #### We don't currently ever reset console variables, so there
|
|
|
1272 * is no current distinction between 0 and -1, and between -2 and -3.
|
|
|
1273 */
|
|
|
1274 Lisp_Object always_local_resettable = make_int (-1);
|
|
|
1275
|
|
|
1276 #if 0 /* not used */
|
|
|
1277 Lisp_Object always_local_no_default = make_int (0);
|
|
|
1278 Lisp_Object resettable = make_int (-3);
|
|
|
1279 #endif
|
|
185
|
1280
|
|
0
|
1281 /* Assign the local-flags to the slots that have default values.
|
|
|
1282 The local flag is a bit that is used in the console
|
|
|
1283 to say that it has its own local value for the slot.
|
|
|
1284 The local flag bits are in the local_var_flags slot of the
|
|
|
1285 console. */
|
|
185
|
1286
|
|
0
|
1287 nuke_all_console_slots (&console_local_flags, make_int (-2));
|
|
|
1288 console_local_flags.defining_kbd_macro = always_local_resettable;
|
|
|
1289 console_local_flags.last_kbd_macro = always_local_resettable;
|
|
|
1290 console_local_flags.prefix_arg = always_local_resettable;
|
|
|
1291 console_local_flags.default_minibuffer_frame = always_local_resettable;
|
|
|
1292 console_local_flags.overriding_terminal_local_map =
|
|
|
1293 always_local_resettable;
|
|
155
|
1294 console_local_flags.tty_erase_char = always_local_resettable;
|
|
185
|
1295
|
|
0
|
1296 console_local_flags.function_key_map = make_int (1);
|
|
185
|
1297
|
|
0
|
1298 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
|
|
|
1299 currently allowable due to the XINT() handling of this value.
|
|
|
1300 With some rearrangement you can get 4 more bits. */
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /*
|
|
|
1304 Default value of `function-key-map' for consoles that don't override it.
|
|
|
1305 This is the same as (default-value 'function-key-map).
|
|
|
1306 */ );
|
|
|
1307
|
|
|
1308 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /*
|
|
|
1309 Keymap mapping ASCII function key sequences onto their preferred forms.
|
|
|
1310 This allows Emacs to recognize function keys sent from ASCII
|
|
|
1311 terminals at any point in a key sequence.
|
|
|
1312
|
|
|
1313 The `read-key-sequence' function replaces any subsequence bound by
|
|
|
1314 `function-key-map' with its binding. More precisely, when the active
|
|
|
1315 keymaps have no binding for the current key sequence but
|
|
|
1316 `function-key-map' binds a suffix of the sequence to a vector or string,
|
|
|
1317 `read-key-sequence' replaces the matching suffix with its binding, and
|
|
|
1318 continues with the new sequence.
|
|
|
1319
|
|
|
1320 The events that come from bindings in `function-key-map' are not
|
|
|
1321 themselves looked up in `function-key-map'.
|
|
|
1322
|
|
|
1323 For example, suppose `function-key-map' binds `ESC O P' to [f1].
|
|
|
1324 Typing `ESC O P' to `read-key-sequence' would return
|
|
|
1325 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return
|
|
|
1326 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1]
|
|
|
1327 were a prefix key, typing `ESC O P x' would return
|
|
|
1328 \[#<keypress-event f1> #<keypress-event x>].
|
|
|
1329 */ );
|
|
|
1330
|
|
155
|
1331 /* ### Should this somehow go to TTY data? How do we make it
|
|
|
1332 accessible from Lisp, then? */
|
|
|
1333 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /*
|
|
|
1334 The ERASE character as set by the user with stty.
|
|
|
1335 When this value cannot be determined or would be meaningless (on non-TTY
|
|
|
1336 consoles, for example), it is set to nil.
|
|
|
1337 */ );
|
|
|
1338
|
|
0
|
1339 /* While this should be CONST it can't be because some things
|
|
|
1340 (i.e. edebug) do maninpulate it. */
|
|
|
1341 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /*
|
|
|
1342 Non-nil while a console macro is being defined. Don't set this!
|
|
|
1343 */ );
|
|
|
1344
|
|
|
1345 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /*
|
|
|
1346 Last kbd macro defined, as a vector of events; nil if none defined.
|
|
|
1347 */ );
|
|
|
1348
|
|
|
1349 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /*
|
|
|
1350 The value of the prefix argument for the next editing command.
|
|
|
1351 It may be a number, or the symbol `-' for just a minus sign as arg,
|
|
|
1352 or a list whose car is a number for just one or more C-U's
|
|
|
1353 or nil if no argument has been specified.
|
|
|
1354
|
|
|
1355 You cannot examine this variable to find the argument for this command
|
|
|
1356 since it has been set to nil by the time you can look.
|
|
|
1357 Instead, you should use the variable `current-prefix-arg', although
|
|
185
|
1358 normally commands can get this prefix argument with (interactive "P").
|
|
0
|
1359 */ );
|
|
|
1360
|
|
|
1361 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame",
|
|
|
1362 default_minibuffer_frame /*
|
|
|
1363 Minibufferless frames use this frame's minibuffer.
|
|
|
1364
|
|
|
1365 Emacs cannot create minibufferless frames unless this is set to an
|
|
|
1366 appropriate surrogate.
|
|
|
1367
|
|
|
1368 XEmacs consults this variable only when creating minibufferless
|
|
|
1369 frames; once the frame is created, it sticks with its assigned
|
|
|
1370 minibuffer, no matter what this variable is set to. This means that
|
|
|
1371 this variable doesn't necessarily say anything meaningful about the
|
|
|
1372 current set of frames, or where the minibuffer is currently being
|
|
|
1373 displayed.
|
|
|
1374 */ );
|
|
|
1375
|
|
|
1376 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map",
|
|
|
1377 overriding_terminal_local_map /*
|
|
|
1378 Keymap that overrides all other local keymaps, for the selected console only.
|
|
|
1379 If this variable is non-nil, it is used as a keymap instead of the
|
|
|
1380 buffer's local map, and the minor mode keymaps and text property keymaps.
|
|
|
1381 */ );
|
|
|
1382
|
|
|
1383 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding
|
|
|
1384 slot of console_local_flags and vice-versa. Must be done after all
|
|
|
1385 DEFVAR_CONSOLE_LOCAL() calls. */
|
|
|
1386 #define MARKED_SLOT(slot) \
|
|
|
1387 if ((XINT (console_local_flags.slot) != -2 && \
|
|
|
1388 XINT (console_local_flags.slot) != -3) \
|
|
|
1389 != !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))) \
|
|
|
1390 abort ()
|
|
|
1391 #include "conslots.h"
|
|
|
1392 #undef MARKED_SLOT
|
|
|
1393 }
|
