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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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272
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52 that console. Setting the default value also goes through the
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53 list of consoles and stores into each console that does not say
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54 it has a local value. */
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0
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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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0
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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 console_type_entry_dynarr *the_console_type_entry_dynarr;
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96
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97
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98 static Lisp_Object
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99 mark_console (Lisp_Object obj, void (*markobj) (Lisp_Object))
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100 {
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101 struct console *con = XCONSOLE (obj);
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102
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103 #define MARKED_SLOT(x) ((markobj) (con->x));
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104 #include "conslots.h"
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105 #undef MARKED_SLOT
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106
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107 /* Can be zero for Vconsole_defaults, Vconsole_local_symbols */
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108 if (con->conmeths)
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109 {
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110 ((markobj) (con->conmeths->symbol));
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111 MAYBE_CONMETH (con, mark_console, (con, markobj));
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112 }
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113
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114 return Qnil;
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115 }
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116
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117 static void
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118 print_console (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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119 {
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120 struct console *con = XCONSOLE (obj);
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121 char buf[256];
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122
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123 if (print_readably)
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124 error ("printing unreadable object #<console %s 0x%x>",
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16
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125 XSTRING_DATA (con->name), con->header.uid);
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0
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126
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127 sprintf (buf, "#<%s-console", !CONSOLE_LIVE_P (con) ? "dead" :
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128 CONSOLE_TYPE_NAME (con));
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129 write_c_string (buf, printcharfun);
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130 if (CONSOLE_LIVE_P (con))
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131 {
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132 write_c_string (" on ", printcharfun);
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133 print_internal (CONSOLE_CONNECTION (con), printcharfun, 1);
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134 }
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135 sprintf (buf, " 0x%x>", con->header.uid);
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136 write_c_string (buf, printcharfun);
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137 }
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138
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272
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139 DEFINE_LRECORD_IMPLEMENTATION ("console", console,
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140 mark_console, print_console, 0, 0, 0,
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141 struct console);
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0
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142
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143 static struct console *
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144 allocate_console (void)
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145 {
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272
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146 Lisp_Object console;
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185
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147 struct console *con = alloc_lcrecord_type (struct console, lrecord_console);
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0
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148 struct gcpro gcpro1;
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149
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150 copy_lcrecord (con, XCONSOLE (Vconsole_defaults));
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151
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152 XSETCONSOLE (console, con);
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153 GCPRO1 (console);
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154
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155 con->quit_char = 7; /* C-g */
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156 con->command_builder = allocate_command_builder (console);
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157 con->function_key_map = Fmake_sparse_keymap (Qnil);
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158
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159 UNGCPRO;
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160 return con;
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161 }
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162
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163 struct console *
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164 decode_console (Lisp_Object console)
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165 {
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166 if (NILP (console))
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167 console = Fselected_console ();
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168 /* quietly accept devices and frames for the console arg */
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169 if (DEVICEP (console) || FRAMEP (console))
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170 console = DEVICE_CONSOLE (decode_device (console));
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171 CHECK_LIVE_CONSOLE (console);
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172 return XCONSOLE (console);
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173 }
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174
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175
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176 struct console_methods *
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177 decode_console_type (Lisp_Object type, Error_behavior errb)
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178 {
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179 int i;
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180
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181 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
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272
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182 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol))
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183 return Dynarr_at (the_console_type_entry_dynarr, i).meths;
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0
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184
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185 maybe_signal_simple_error ("Invalid console type", type, Qconsole, errb);
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186
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187 return 0;
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188 }
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189
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190 int
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191 valid_console_type_p (Lisp_Object type)
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192 {
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272
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193 return decode_console_type (type, ERROR_ME_NOT) != 0;
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0
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194 }
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195
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20
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196 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /*
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197 Given a CONSOLE-TYPE, return t if it is valid.
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198 Valid types are 'x, 'tty, and 'stream.
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20
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199 */
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200 (console_type))
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0
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201 {
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272
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202 return valid_console_type_p (console_type) ? Qt : Qnil;
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0
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203 }
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204
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20
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205 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /*
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206 Return a list of valid console types.
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20
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207 */
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208 ())
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0
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209 {
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210 return Fcopy_sequence (Vconsole_type_list);
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211 }
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212
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20
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213 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /*
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214 Given a console, device, frame, or window, return the associated console.
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215 Return nil otherwise.
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20
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216 */
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217 (obj))
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0
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218 {
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219 return CDFW_CONSOLE (obj);
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220 }
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221
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222
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20
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223 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /*
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224 Return the console which is currently active.
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20
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225 */
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226 ())
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0
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227 {
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228 return Vselected_console;
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229 }
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230
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231 /* Called from selected_device_1(), called from selected_frame_1(),
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232 called from Fselect_window() */
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233 void
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234 select_console_1 (Lisp_Object console)
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235 {
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236 /* perhaps this should do something more complicated */
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237 Vselected_console = console;
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238
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70
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239 /* #### Schedule this to be removed in 19.14 */
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0
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240 #ifdef HAVE_X_WINDOWS
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241 if (CONSOLE_X_P (XCONSOLE (console)))
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242 Vwindow_system = Qx;
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243 else
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244 #endif
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263
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245 #ifdef HAVE_MS_WINDOWS
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246 if (CONSOLE_MSWINDOWS_P (XCONSOLE (console)))
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247 Vwindow_system = Qmswindows;
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248 else
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249 #endif
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0
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250 Vwindow_system = Qnil;
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251 }
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252
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20
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253 DEFUN ("select-console", Fselect_console, 1, 1, 0, /*
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254 Select the console CONSOLE.
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255 Subsequent editing commands apply to its selected device, selected frame,
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256 and selected window. The selection of CONSOLE lasts until the next time
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257 the user does something to select a different console, or until the next
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258 time this function is called.
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20
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259 */
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260 (console))
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0
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261 {
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163
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262 Lisp_Object device;
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263
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0
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264 CHECK_LIVE_CONSOLE (console);
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265
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163
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266 device = CONSOLE_SELECTED_DEVICE (XCONSOLE (console));
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267 if (!NILP (device))
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268 {
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269 struct device *d = XDEVICE (device);
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270 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
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271 if (!NILP (frame))
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272 {
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273 struct frame *f = XFRAME(frame);
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282
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274 Fselect_window (FRAME_SELECTED_WINDOW (f), Qnil);
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163
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275 }
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276 else
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277 error ("Can't select console with no frames.");
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278 }
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0
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279 else
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280 error ("Can't select a console with no devices");
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281 return Qnil;
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282 }
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283
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284 void
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285 set_console_last_nonminibuf_frame (struct console *con,
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286 Lisp_Object frame)
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287 {
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288 con->_last_nonminibuf_frame = frame;
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289 }
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290
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20
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291 DEFUN ("consolep", Fconsolep, 1, 1, 0, /*
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292 Return non-nil if OBJECT is a console.
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20
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293 */
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294 (object))
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0
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295 {
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272
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296 return CONSOLEP (object) ? Qt : Qnil;
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0
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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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272
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304 return CONSOLEP (object) && CONSOLE_LIVE_P (XCONSOLE (object)) ? Qt : Qnil;
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0
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305 }
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306
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20
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307 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /*
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0
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308 Return the type of the specified console (e.g. `x' or `tty').
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309 Value is `tty' for a tty console (a character-only terminal),
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310 `x' for a console that is an X display,
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213
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311 `mswindows' for a console that is a Windows NT/95/97 connection,
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0
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312 `pc' for a console that is a direct-write MS-DOS connection (not yet
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313 implemented),
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314 `stream' for a stream console (which acts like a stdio stream), and
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315 `dead' for a deleted console.
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20
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316 */
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317 (console))
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0
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318 {
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319 /* don't call decode_console() because we want to allow for dead
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320 consoles. */
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321 if (NILP (console))
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322 console = Fselected_console ();
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323 CHECK_CONSOLE (console);
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324 return CONSOLE_TYPE (XCONSOLE (console));
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325 }
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326
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20
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327 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /*
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0
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328 Return the name of the specified console.
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20
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329 */
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330 (console))
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0
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331 {
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332 return CONSOLE_NAME (decode_console (console));
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333 }
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334
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20
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335 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /*
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0
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336 Return the connection of the specified console.
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337 CONSOLE defaults to the selected console if omitted.
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20
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338 */
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339 (console))
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0
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340 {
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341 return CONSOLE_CONNECTION (decode_console (console));
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342 }
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343
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344 Lisp_Object
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272
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345 make_console (struct console *con)
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0
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346 {
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272
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347 Lisp_Object console;
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348 XSETCONSOLE (console, con);
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0
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349 return console;
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350 }
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351
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352 static Lisp_Object
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353 semi_canonicalize_console_connection (struct console_methods *meths,
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354 Lisp_Object name, Error_behavior errb)
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355 {
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356 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection,
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357 (name, errb), name);
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358 }
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359
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360 static Lisp_Object
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361 canonicalize_console_connection (struct console_methods *meths,
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362 Lisp_Object name, Error_behavior errb)
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363 {
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364 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection,
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365 (name, errb), name);
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366 }
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367
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368 static Lisp_Object
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369 find_console_of_type (struct console_methods *meths, Lisp_Object canon)
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370 {
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371 Lisp_Object concons;
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372
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373 CONSOLE_LOOP (concons)
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374 {
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375 Lisp_Object console = XCAR (concons);
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376
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377 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console)))
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195
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378 && internal_equal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)),
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379 canon, 0))
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0
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380 return console;
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|
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381 }
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382
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383 return Qnil;
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384 }
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385
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20
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386 DEFUN ("find-console", Ffind_console, 1, 2, 0, /*
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|
0
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387 Look for an existing console attached to connection CONNECTION.
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|
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388 Return the console if found; otherwise, return nil.
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389
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390 If TYPE is specified, only return consoles of that type; otherwise,
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391 return consoles of any type. (It is possible, although unlikely,
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392 that two consoles of different types could have the same connection
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393 name; in such a case, the first console found is returned.)
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|
20
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394 */
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395 (connection, type))
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0
|
396 {
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397 Lisp_Object canon = Qnil;
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|
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398 struct gcpro gcpro1;
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|
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399
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400 GCPRO1 (canon);
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|
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401
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|
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402 if (!NILP (type))
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403 {
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|
272
|
404 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
|
|
0
|
405 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
406 ERROR_ME_NOT);
|
|
|
407 if (UNBOUNDP (canon))
|
|
|
408 RETURN_UNGCPRO (Qnil);
|
|
|
409
|
|
|
410 RETURN_UNGCPRO (find_console_of_type (conmeths, canon));
|
|
|
411 }
|
|
|
412 else
|
|
|
413 {
|
|
|
414 int i;
|
|
|
415
|
|
|
416 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
417 {
|
|
|
418 struct console_methods *conmeths =
|
|
|
419 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
|
420 canon = canonicalize_console_connection (conmeths, connection,
|
|
|
421 ERROR_ME_NOT);
|
|
|
422 if (!UNBOUNDP (canon))
|
|
|
423 {
|
|
|
424 Lisp_Object console = find_console_of_type (conmeths, canon);
|
|
|
425 if (!NILP (console))
|
|
|
426 RETURN_UNGCPRO (console);
|
|
|
427 }
|
|
|
428 }
|
|
|
429
|
|
|
430 RETURN_UNGCPRO (Qnil);
|
|
|
431 }
|
|
|
432 }
|
|
|
433
|
|
20
|
434 DEFUN ("get-console", Fget_console, 1, 2, 0, /*
|
|
0
|
435 Look for an existing console attached to connection CONNECTION.
|
|
|
436 Return the console if found; otherwise, signal an error.
|
|
|
437
|
|
|
438 If TYPE is specified, only return consoles of that type; otherwise,
|
|
|
439 return consoles of any type. (It is possible, although unlikely,
|
|
|
440 that two consoles of different types could have the same connection
|
|
|
441 name; in such a case, the first console found is returned.)
|
|
20
|
442 */
|
|
|
443 (connection, type))
|
|
0
|
444 {
|
|
|
445 Lisp_Object console = Ffind_console (connection, type);
|
|
|
446 if (NILP (console))
|
|
|
447 {
|
|
|
448 if (NILP (type))
|
|
|
449 signal_simple_error ("No such console", connection);
|
|
|
450 else
|
|
|
451 signal_simple_error_2 ("No such console", type, connection);
|
|
|
452 }
|
|
|
453 return console;
|
|
|
454 }
|
|
|
455
|
|
|
456 Lisp_Object
|
|
|
457 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection,
|
|
|
458 Lisp_Object props)
|
|
|
459 {
|
|
|
460 /* This function can GC */
|
|
|
461 struct console *con;
|
|
272
|
462 Lisp_Object console;
|
|
0
|
463 struct gcpro gcpro1;
|
|
|
464
|
|
|
465 console = Ffind_console (connection, type);
|
|
|
466 if (!NILP (console))
|
|
272
|
467 return console;
|
|
0
|
468
|
|
|
469 con = allocate_console ();
|
|
|
470 XSETCONSOLE (console, con);
|
|
|
471
|
|
272
|
472 GCPRO1 (console);
|
|
|
473
|
|
0
|
474 con->conmeths = decode_console_type (type, ERROR_ME);
|
|
|
475
|
|
|
476 CONSOLE_NAME (con) = name;
|
|
|
477 CONSOLE_CONNECTION (con) =
|
|
|
478 semi_canonicalize_console_connection (con->conmeths, connection,
|
|
|
479 ERROR_ME);
|
|
|
480 CONSOLE_CANON_CONNECTION (con) =
|
|
|
481 canonicalize_console_connection (con->conmeths, connection,
|
|
|
482 ERROR_ME);
|
|
|
483
|
|
|
484 MAYBE_CONMETH (con, init_console, (con, props));
|
|
|
485
|
|
|
486 /* Do it this way so that the console list is in order of creation */
|
|
|
487 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil));
|
|
|
488
|
|
|
489 if (CONMETH (con, initially_selected_for_input, (con)))
|
|
|
490 event_stream_select_console (con);
|
|
|
491
|
|
|
492 UNGCPRO;
|
|
|
493 return console;
|
|
|
494 }
|
|
|
495
|
|
|
496 void
|
|
|
497 add_entry_to_console_type_list (Lisp_Object symbol,
|
|
|
498 struct console_methods *meths)
|
|
|
499 {
|
|
|
500 struct console_type_entry entry;
|
|
|
501
|
|
|
502 entry.symbol = symbol;
|
|
|
503 entry.meths = meths;
|
|
|
504 Dynarr_add (the_console_type_entry_dynarr, entry);
|
|
|
505 Vconsole_type_list = Fcons (symbol, Vconsole_type_list);
|
|
|
506 }
|
|
|
507
|
|
|
508 /* find a console other than the selected one. Prefer non-stream
|
|
|
509 consoles over stream consoles. */
|
|
|
510
|
|
|
511 static Lisp_Object
|
|
|
512 find_other_console (Lisp_Object console)
|
|
|
513 {
|
|
|
514 Lisp_Object concons;
|
|
|
515
|
|
|
516 /* look for a non-stream console */
|
|
|
517 CONSOLE_LOOP (concons)
|
|
|
518 {
|
|
|
519 Lisp_Object con = XCAR (concons);
|
|
|
520 if (!CONSOLE_STREAM_P (XCONSOLE (con))
|
|
|
521 && !EQ (con, console)
|
|
|
522 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
185
|
523 && !NILP (DEVICE_SELECTED_FRAME
|
|
0
|
524 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
|
525 break;
|
|
|
526 }
|
|
|
527 if (!NILP (concons))
|
|
|
528 return XCAR (concons);
|
|
|
529
|
|
|
530 /* OK, now look for a stream console */
|
|
|
531 CONSOLE_LOOP (concons)
|
|
|
532 {
|
|
|
533 Lisp_Object con = XCAR (concons);
|
|
|
534 if (!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 /* Sorry, there ain't none */
|
|
|
544 return Qnil;
|
|
|
545 }
|
|
|
546
|
|
|
547 static int
|
|
|
548 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame,
|
|
|
549 void *closure)
|
|
|
550 {
|
|
|
551 Lisp_Object console;
|
|
|
552
|
|
|
553 VOID_TO_LISP (console, closure);
|
|
|
554 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
|
555 return 0;
|
|
|
556 if (EQ (console, FRAME_CONSOLE (XFRAME (frame))))
|
|
|
557 return 0;
|
|
|
558 return 1;
|
|
|
559 }
|
|
|
560
|
|
|
561 static Lisp_Object
|
|
|
562 find_nonminibuffer_frame_not_on_console (Lisp_Object console)
|
|
|
563 {
|
|
|
564 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate,
|
|
|
565 LISP_TO_VOID (console));
|
|
|
566 }
|
|
|
567
|
|
|
568 /* Delete console CON.
|
|
|
569
|
|
|
570 If FORCE is non-zero, allow deletion of the only frame.
|
|
|
571
|
|
|
572 If CALLED_FROM_KILL_EMACS is non-zero, then, if
|
|
|
573 deleting the last console, just delete it,
|
|
|
574 instead of calling `save-buffers-kill-emacs'.
|
|
|
575
|
|
|
576 If FROM_IO_ERROR is non-zero, then the console is gone due
|
|
|
577 to an I/O error. This affects what happens if we exit
|
|
|
578 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
|
579 */
|
|
|
580
|
|
|
581 void
|
|
|
582 delete_console_internal (struct console *con, int force,
|
|
185
|
583 int called_from_kill_emacs, int from_io_error)
|
|
0
|
584 {
|
|
|
585 /* This function can GC */
|
|
272
|
586 Lisp_Object console;
|
|
0
|
587 struct gcpro gcpro1;
|
|
|
588
|
|
|
589 /* OK to delete an already-deleted console. */
|
|
|
590 if (!CONSOLE_LIVE_P (con))
|
|
|
591 return;
|
|
|
592
|
|
|
593 XSETCONSOLE (console, con);
|
|
|
594 GCPRO1 (console);
|
|
|
595
|
|
|
596 if (!called_from_kill_emacs)
|
|
|
597 {
|
|
|
598 int down_we_go = 0;
|
|
|
599
|
|
|
600 if ((XINT (Flength (Vconsole_list)) == 1)
|
|
|
601 /* if we just created the console, it might not be listed,
|
|
|
602 or something ... */
|
|
|
603 && !NILP (memq_no_quit (console, Vconsole_list)))
|
|
|
604 down_we_go = 1;
|
|
|
605 /* If there aren't any nonminibuffer frames that would
|
|
|
606 be left, then exit. */
|
|
|
607 else if (NILP (find_nonminibuffer_frame_not_on_console (console)))
|
|
|
608 down_we_go = 1;
|
|
|
609
|
|
|
610 if (down_we_go)
|
|
|
611 {
|
|
|
612 if (!force)
|
|
|
613 error ("Attempt to delete the only frame");
|
|
|
614 else if (from_io_error)
|
|
|
615 {
|
|
|
616 /* Mayday mayday! We're going down! */
|
|
|
617 stderr_out (" Autosaving and exiting...\n");
|
|
|
618 Vwindow_system = Qnil; /* let it lie! */
|
|
|
619 preparing_for_armageddon = 1;
|
|
|
620 Fkill_emacs (make_int (70));
|
|
|
621 }
|
|
|
622 else
|
|
|
623 {
|
|
|
624 call0 (Qsave_buffers_kill_emacs);
|
|
|
625 UNGCPRO;
|
|
|
626 /* If we get here, the user said they didn't want
|
|
|
627 to exit, so don't. */
|
|
|
628 return;
|
|
|
629 }
|
|
|
630 }
|
|
|
631 }
|
|
|
632
|
|
|
633 /* Breathe a sigh of relief. We're still alive. */
|
|
|
634
|
|
|
635 {
|
|
|
636 Lisp_Object frmcons, devcons;
|
|
|
637
|
|
|
638 /* First delete all frames without their own minibuffers,
|
|
|
639 to avoid errors coming from attempting to delete a frame
|
|
|
640 that is a surrogate for another frame.
|
|
|
641
|
|
|
642 We don't set "called_from_delete_console" because we want the
|
|
|
643 device to go ahead and get deleted if we delete the last frame
|
|
|
644 on a device. We won't run into trouble here because for any
|
|
|
645 frame without a minibuffer, there has to be another one on
|
|
|
646 the same console with a minibuffer, and we're not deleting that,
|
|
|
647 so delete_console_internal() won't get recursively called.
|
|
|
648
|
|
|
649 WRONG! With surrogate minibuffers this isn't true. Frames
|
|
|
650 with only a minibuffer are not enough to prevent
|
|
|
651 delete_frame_internal from triggering a device deletion. */
|
|
|
652 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con)
|
|
|
653 {
|
|
|
654 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
655 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
656 so be defensive. */
|
|
|
657 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
|
658 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
659
|
|
|
660 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
661 go ahead and delete anything */
|
|
|
662 {
|
|
|
663 UNGCPRO;
|
|
|
664 return;
|
|
|
665 }
|
|
|
666 }
|
|
|
667
|
|
|
668 CONSOLE_DEVICE_LOOP (devcons, con)
|
|
|
669 {
|
|
|
670 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
671 /* delete_device_internal() might do anything such as run hooks,
|
|
|
672 so be defensive. */
|
|
|
673 if (DEVICE_LIVE_P (d))
|
|
|
674 delete_device_internal (d, 1, 1, from_io_error);
|
|
|
675 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
|
676 go ahead and delete anything */
|
|
|
677 {
|
|
|
678 UNGCPRO;
|
|
|
679 return;
|
|
|
680 }
|
|
|
681 }
|
|
|
682 }
|
|
185
|
683
|
|
0
|
684 CONSOLE_SELECTED_DEVICE (con) = Qnil;
|
|
185
|
685
|
|
0
|
686 /* try to select another console */
|
|
185
|
687
|
|
0
|
688 if (EQ (console, Fselected_console ()))
|
|
|
689 {
|
|
|
690 Lisp_Object other_dev = find_other_console (console);
|
|
|
691 if (!NILP (other_dev))
|
|
|
692 Fselect_console (other_dev);
|
|
|
693 else
|
|
|
694 {
|
|
|
695 /* necessary? */
|
|
|
696 Vselected_console = Qnil;
|
|
|
697 Vwindow_system = Qnil;
|
|
|
698 }
|
|
|
699 }
|
|
|
700
|
|
|
701 if (con->input_enabled)
|
|
|
702 event_stream_unselect_console (con);
|
|
185
|
703
|
|
0
|
704 MAYBE_CONMETH (con, delete_console, (con));
|
|
|
705
|
|
|
706 Vconsole_list = delq_no_quit (console, Vconsole_list);
|
|
|
707 RESET_CHANGED_SET_FLAGS;
|
|
|
708 con->conmeths = dead_console_methods;
|
|
|
709
|
|
|
710 UNGCPRO;
|
|
|
711 }
|
|
|
712
|
|
|
713 void
|
|
|
714 io_error_delete_console (Lisp_Object console)
|
|
|
715 {
|
|
|
716 delete_console_internal (XCONSOLE (console), 1, 0, 1);
|
|
|
717 }
|
|
|
718
|
|
20
|
719 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /*
|
|
0
|
720 Delete CONSOLE, permanently eliminating it from use.
|
|
|
721 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
722 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
723 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
724 will automatically call `save-buffers-kill-emacs'.)
|
|
20
|
725 */
|
|
|
726 (console, force))
|
|
0
|
727 {
|
|
|
728 CHECK_CONSOLE (console);
|
|
|
729 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0);
|
|
|
730 return Qnil;
|
|
|
731 }
|
|
|
732
|
|
20
|
733 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /*
|
|
0
|
734 Return a list of all consoles.
|
|
20
|
735 */
|
|
|
736 ())
|
|
0
|
737 {
|
|
|
738 return Fcopy_sequence (Vconsole_list);
|
|
|
739 }
|
|
|
740
|
|
20
|
741 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /*
|
|
0
|
742 Return a list of all devices on CONSOLE.
|
|
|
743 If CONSOLE is nil, the selected console will be used.
|
|
20
|
744 */
|
|
|
745 (console))
|
|
0
|
746 {
|
|
|
747 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console)));
|
|
|
748 }
|
|
|
749
|
|
20
|
750 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /*
|
|
0
|
751 Enable input on console CONSOLE.
|
|
20
|
752 */
|
|
|
753 (console))
|
|
0
|
754 {
|
|
|
755 struct console *con = decode_console (console);
|
|
|
756 if (!con->input_enabled)
|
|
|
757 event_stream_select_console (con);
|
|
|
758 return Qnil;
|
|
|
759 }
|
|
|
760
|
|
20
|
761 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /*
|
|
0
|
762 Disable input on console CONSOLE.
|
|
20
|
763 */
|
|
|
764 (console))
|
|
0
|
765 {
|
|
|
766 struct console *con = decode_console (console);
|
|
|
767 if (con->input_enabled)
|
|
|
768 event_stream_unselect_console (con);
|
|
|
769 return Qnil;
|
|
|
770 }
|
|
|
771
|
|
20
|
772 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /*
|
|
0
|
773 Return non-nil if this console is on a window system.
|
|
|
774 This generally means that there is support for the mouse, the menubar,
|
|
|
775 the toolbar, glyphs, etc.
|
|
20
|
776 */
|
|
|
777 (console))
|
|
0
|
778 {
|
|
272
|
779 Lisp_Object type = CONSOLE_TYPE (decode_console (console));
|
|
0
|
780
|
|
272
|
781 return !EQ (type, Qtty) && !EQ (type, Qstream) ? Qt : Qnil;
|
|
0
|
782 }
|
|
|
783
|
|
|
784
|
|
|
785
|
|
|
786 /**********************************************************************/
|
|
|
787 /* Miscellaneous low-level functions */
|
|
|
788 /**********************************************************************/
|
|
|
789
|
|
|
790 static Lisp_Object
|
|
|
791 unwind_init_sys_modes (Lisp_Object console)
|
|
|
792 {
|
|
|
793 reinit_initial_console ();
|
|
|
794
|
|
272
|
795 if (!no_redraw_on_reenter &&
|
|
|
796 CONSOLEP (console) &&
|
|
|
797 CONSOLE_LIVE_P (XCONSOLE (console)))
|
|
0
|
798 {
|
|
272
|
799 struct frame *f =
|
|
|
800 XFRAME (DEVICE_SELECTED_FRAME
|
|
|
801 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console)))));
|
|
|
802 MARK_FRAME_CHANGED (f);
|
|
0
|
803 }
|
|
|
804 return Qnil;
|
|
|
805 }
|
|
|
806
|
|
20
|
807 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /*
|
|
0
|
808 Stop Emacs and return to superior process. You can resume later.
|
|
|
809 On systems that don't have job control, run a subshell instead.
|
|
|
810
|
|
|
811 If optional arg STUFFSTRING is non-nil, its characters are stuffed
|
|
|
812 to be read as terminal input by Emacs's superior shell.
|
|
213
|
813
|
|
|
814 Before suspending, run the normal hook `suspend-hook'.
|
|
|
815 After resumption run the normal hook `suspend-resume-hook'.
|
|
0
|
816
|
|
|
817 Some operating systems cannot stop the Emacs process and resume it later.
|
|
|
818 On such systems, Emacs will start a subshell and wait for it to exit.
|
|
20
|
819 */
|
|
|
820 (stuffstring))
|
|
0
|
821 {
|
|
|
822 int speccount = specpdl_depth ();
|
|
|
823 struct gcpro gcpro1;
|
|
|
824
|
|
|
825 if (!NILP (stuffstring))
|
|
|
826 CHECK_STRING (stuffstring);
|
|
|
827 GCPRO1 (stuffstring);
|
|
|
828
|
|
|
829 /* There used to be a check that the initial console is TTY.
|
|
|
830 This is bogus. Even checking to see whether any console
|
|
|
831 is a controlling terminal is not correct -- maybe
|
|
|
832 the user used the -t option or something. If we want to
|
|
|
833 suspend, then we suspend. Period. */
|
|
|
834
|
|
|
835 /* Call value of suspend-hook. */
|
|
|
836 run_hook (Qsuspend_hook);
|
|
|
837
|
|
|
838 reset_initial_console ();
|
|
|
839 /* sys_suspend can get an error if it tries to fork a subshell
|
|
|
840 and the system resources aren't available for that. */
|
|
|
841 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal);
|
|
|
842 stuff_buffered_input (stuffstring);
|
|
|
843 sys_suspend ();
|
|
|
844 /* the console is un-reset inside of the unwind-protect. */
|
|
|
845 unbind_to (speccount, Qnil);
|
|
|
846
|
|
|
847 #ifdef SIGWINCH
|
|
|
848 /* It is possible that a size change occurred while we were
|
|
|
849 suspended. Assume one did just to be safe. It won't hurt
|
|
|
850 anything if one didn't. */
|
|
|
851 asynch_device_change_pending++;
|
|
|
852 #endif
|
|
|
853
|
|
|
854 /* Call value of suspend-resume-hook
|
|
|
855 if it is bound and value is non-nil. */
|
|
|
856 run_hook (Qsuspend_resume_hook);
|
|
185
|
857
|
|
0
|
858 UNGCPRO;
|
|
|
859 return Qnil;
|
|
|
860 }
|
|
|
861
|
|
|
862 /* If STUFFSTRING is a string, stuff its contents as pending terminal input.
|
|
|
863 Then in any case stuff anything Emacs has read ahead and not used. */
|
|
|
864
|
|
|
865 void
|
|
|
866 stuff_buffered_input (Lisp_Object stuffstring)
|
|
|
867 {
|
|
|
868 /* stuff_char works only in BSD, versions 4.2 and up. */
|
|
|
869 #if defined (BSD)
|
|
|
870 if (!CONSOLEP (Vcontrolling_terminal) ||
|
|
|
871 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal)))
|
|
|
872 return;
|
|
|
873
|
|
|
874 if (STRINGP (stuffstring))
|
|
|
875 {
|
|
|
876 Extcount count;
|
|
|
877 Extbyte *p;
|
|
|
878
|
|
|
879 GET_STRING_EXT_DATA_ALLOCA (stuffstring, FORMAT_KEYBOARD, p, count);
|
|
|
880 while (count-- > 0)
|
|
|
881 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++);
|
|
|
882 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n');
|
|
|
883 }
|
|
|
884 /* Anything we have read ahead, put back for the shell to read. */
|
|
|
885 # if 0 /* oh, who cares about this silliness */
|
|
|
886 while (kbd_fetch_ptr != kbd_store_ptr)
|
|
|
887 {
|
|
|
888 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE)
|
|
|
889 kbd_fetch_ptr = kbd_buffer;
|
|
|
890 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++);
|
|
|
891 }
|
|
|
892 # endif
|
|
|
893 #endif /* BSD */
|
|
|
894 }
|
|
30
|
895
|
|
108
|
896 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /*
|
|
|
897 Suspend a console. For tty consoles, it sends a signal to suspend
|
|
|
898 the process in charge of the tty, and removes the devices and
|
|
|
899 frames of that console from the display.
|
|
|
900
|
|
|
901 If optional arg CONSOLE is non-nil, it is the console to be suspended.
|
|
|
902 Otherwise it is assumed to be the selected console.
|
|
|
903
|
|
|
904 Some operating systems cannot stop processes and resume them later.
|
|
|
905 On such systems, who knows what will happen.
|
|
|
906 */
|
|
|
907 (console))
|
|
|
908 {
|
|
245
|
909 #ifdef HAVE_TTY
|
|
272
|
910 struct console *con = decode_console (console);
|
|
108
|
911
|
|
272
|
912 if (CONSOLE_TTY_P (con))
|
|
|
913 {
|
|
|
914 /*
|
|
|
915 * hide all the unhidden frames so the display code won't update
|
|
|
916 * them while the console is suspended.
|
|
|
917 */
|
|
|
918 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
|
|
|
919 if (!NILP (device))
|
|
|
920 {
|
|
|
921 struct device *d = XDEVICE (device);
|
|
|
922 Lisp_Object frame_list = DEVICE_FRAME_LIST (d);
|
|
|
923 while (CONSP (frame_list))
|
|
|
924 {
|
|
|
925 struct frame *f = XFRAME (XCAR (frame_list));
|
|
|
926 if (FRAME_REPAINT_P (f))
|
|
|
927 f->visible = -1;
|
|
|
928 frame_list = XCDR (frame_list);
|
|
|
929 }
|
|
|
930 }
|
|
|
931 reset_one_console (con);
|
|
|
932 event_stream_unselect_console (con);
|
|
|
933 sys_suspend_process (XINT (Fconsole_tty_controlling_process (console)));
|
|
|
934 }
|
|
|
935 #endif /* HAVE_TTY */
|
|
108
|
936
|
|
|
937 return Qnil;
|
|
|
938 }
|
|
|
939
|
|
|
940 DEFUN ("resume-console", Fresume_console, 1, 1, "", /*
|
|
272
|
941 Re-initialize a previously suspended console.
|
|
|
942 For tty consoles, do stuff to the tty to make it sane again.
|
|
108
|
943 */
|
|
|
944 (console))
|
|
|
945 {
|
|
245
|
946 #ifdef HAVE_TTY
|
|
272
|
947 struct console *con = decode_console (console);
|
|
108
|
948
|
|
272
|
949 if (CONSOLE_TTY_P (con))
|
|
|
950 {
|
|
|
951 /* raise the selected frame */
|
|
|
952 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
|
|
|
953 if (!NILP (device))
|
|
|
954 {
|
|
|
955 struct device *d = XDEVICE (device);
|
|
|
956 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
|
|
|
957 if (!NILP (frame))
|
|
|
958 {
|
|
|
959 /* force the frame to be cleared */
|
|
|
960 SET_FRAME_CLEAR (XFRAME (frame));
|
|
|
961 Fraise_frame (frame);
|
|
|
962 }
|
|
|
963 }
|
|
|
964 init_one_console (con);
|
|
|
965 event_stream_select_console (con);
|
|
151
|
966 #ifdef SIGWINCH
|
|
272
|
967 /* The same as in Fsuspend_emacs: it is possible that a size
|
|
|
968 change occurred while we were suspended. Assume one did just
|
|
|
969 to be safe. It won't hurt anything if one didn't. */
|
|
|
970 asynch_device_change_pending++;
|
|
151
|
971 #endif
|
|
272
|
972 }
|
|
|
973 #endif /* HAVE_TTY */
|
|
108
|
974
|
|
|
975 return Qnil;
|
|
|
976 }
|
|
|
977
|
|
20
|
978 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /*
|
|
0
|
979 Set mode of reading keyboard input.
|
|
|
980 First arg is ignored, for backward compatibility.
|
|
|
981 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal
|
|
|
982 (no effect except in CBREAK mode).
|
|
|
983 Third arg META t means accept 8-bit input (for a Meta key).
|
|
|
984 META nil means ignore the top bit, on the assumption it is parity.
|
|
|
985 Otherwise, accept 8-bit input and don't use the top bit for Meta.
|
|
|
986 First three arguments only apply to TTY consoles.
|
|
|
987 Optional fourth arg QUIT if non-nil specifies character to use for quitting.
|
|
|
988 Optional fifth arg CONSOLE specifies console to make changes to; nil means
|
|
|
989 the selected console.
|
|
|
990 See also `current-input-mode'.
|
|
20
|
991 */
|
|
70
|
992 (ignored, flow, meta, quit, console))
|
|
0
|
993 {
|
|
|
994 struct console *con = decode_console (console);
|
|
272
|
995 int meta_key = (!CONSOLE_TTY_P (con) ? 1 :
|
|
|
996 EQ (meta, Qnil) ? 0 :
|
|
|
997 EQ (meta, Qt) ? 1 :
|
|
|
998 2);
|
|
0
|
999
|
|
|
1000 if (!NILP (quit))
|
|
|
1001 {
|
|
|
1002 CHECK_CHAR_COERCE_INT (quit);
|
|
|
1003 CONSOLE_QUIT_CHAR (con) =
|
|
|
1004 ((unsigned int) XCHAR (quit)) & (meta_key ? 0377 : 0177);
|
|
|
1005 }
|
|
|
1006
|
|
272
|
1007 #ifdef HAVE_TTY
|
|
0
|
1008 if (CONSOLE_TTY_P (con))
|
|
|
1009 {
|
|
|
1010 reset_one_console (con);
|
|
|
1011 TTY_FLAGS (con).flow_control = !NILP (flow);
|
|
|
1012 TTY_FLAGS (con).meta_key = meta_key;
|
|
|
1013 init_one_console (con);
|
|
|
1014 }
|
|
272
|
1015 #endif
|
|
0
|
1016
|
|
|
1017 return Qnil;
|
|
|
1018 }
|
|
|
1019
|
|
20
|
1020 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /*
|
|
0
|
1021 Return information about the way Emacs currently reads keyboard input.
|
|
|
1022 Optional arg CONSOLE specifies console to return information about; nil means
|
|
|
1023 the selected console.
|
|
|
1024 The value is a list of the form (nil FLOW META QUIT), where
|
|
|
1025 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the
|
|
|
1026 terminal; this does not apply if Emacs uses interrupt-driven input.
|
|
|
1027 META is t if accepting 8-bit input with 8th bit as Meta flag.
|
|
|
1028 META nil means ignoring the top bit, on the assumption it is parity.
|
|
|
1029 META is neither t nor nil if accepting 8-bit input and using
|
|
|
1030 all 8 bits as the character code.
|
|
|
1031 QUIT is the character Emacs currently uses to quit.
|
|
|
1032 FLOW, and META are only meaningful for TTY consoles.
|
|
|
1033 The elements of this list correspond to the arguments of
|
|
|
1034 `set-input-mode'.
|
|
20
|
1035 */
|
|
|
1036 (console))
|
|
0
|
1037 {
|
|
|
1038 struct console *con = decode_console (console);
|
|
272
|
1039 Lisp_Object flow, meta, quit;
|
|
185
|
1040
|
|
272
|
1041 #ifdef HAVE_TTY
|
|
|
1042 flow = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil;
|
|
|
1043 meta = (!CONSOLE_TTY_P (con) ? Qt :
|
|
|
1044 TTY_FLAGS (con).meta_key == 1 ? Qt :
|
|
|
1045 TTY_FLAGS (con).meta_key == 2 ? Qzero :
|
|
|
1046 Qnil);
|
|
|
1047 #else
|
|
|
1048 flow = Qnil;
|
|
|
1049 meta = Qt;
|
|
|
1050 #endif
|
|
|
1051 quit = make_char (CONSOLE_QUIT_CHAR (con));
|
|
185
|
1052
|
|
272
|
1053 return list4 (Qnil, flow, meta, quit);
|
|
0
|
1054 }
|
|
|
1055
|
|
|
1056
|
|
|
1057 /************************************************************************/
|
|
|
1058 /* initialization */
|
|
|
1059 /************************************************************************/
|
|
|
1060
|
|
|
1061 void
|
|
|
1062 syms_of_console (void)
|
|
|
1063 {
|
|
20
|
1064 DEFSUBR (Fvalid_console_type_p);
|
|
|
1065 DEFSUBR (Fconsole_type_list);
|
|
|
1066 DEFSUBR (Fcdfw_console);
|
|
|
1067 DEFSUBR (Fselected_console);
|
|
|
1068 DEFSUBR (Fselect_console);
|
|
|
1069 DEFSUBR (Fconsolep);
|
|
|
1070 DEFSUBR (Fconsole_live_p);
|
|
|
1071 DEFSUBR (Fconsole_type);
|
|
|
1072 DEFSUBR (Fconsole_name);
|
|
|
1073 DEFSUBR (Fconsole_connection);
|
|
|
1074 DEFSUBR (Ffind_console);
|
|
|
1075 DEFSUBR (Fget_console);
|
|
|
1076 DEFSUBR (Fdelete_console);
|
|
|
1077 DEFSUBR (Fconsole_list);
|
|
|
1078 DEFSUBR (Fconsole_device_list);
|
|
|
1079 DEFSUBR (Fconsole_enable_input);
|
|
|
1080 DEFSUBR (Fconsole_disable_input);
|
|
|
1081 DEFSUBR (Fconsole_on_window_system_p);
|
|
108
|
1082 DEFSUBR (Fsuspend_console);
|
|
|
1083 DEFSUBR (Fresume_console);
|
|
185
|
1084
|
|
20
|
1085 DEFSUBR (Fsuspend_emacs);
|
|
|
1086 DEFSUBR (Fset_input_mode);
|
|
|
1087 DEFSUBR (Fcurrent_input_mode);
|
|
0
|
1088
|
|
|
1089 defsymbol (&Qconsolep, "consolep");
|
|
|
1090 defsymbol (&Qconsole_live_p, "console-live-p");
|
|
|
1091
|
|
|
1092 defsymbol (&Qcreate_console_hook, "create-console-hook");
|
|
|
1093 defsymbol (&Qdelete_console_hook, "delete-console-hook");
|
|
|
1094
|
|
|
1095 defsymbol (&Qsuspend_hook, "suspend-hook");
|
|
|
1096 defsymbol (&Qsuspend_resume_hook, "suspend-resume-hook");
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 void
|
|
|
1100 console_type_create (void)
|
|
|
1101 {
|
|
185
|
1102 the_console_type_entry_dynarr = Dynarr_new (console_type_entry);
|
|
0
|
1103
|
|
|
1104 Vconsole_type_list = Qnil;
|
|
|
1105 staticpro (&Vconsole_type_list);
|
|
|
1106
|
|
|
1107 /* Initialize the dead console type */
|
|
|
1108 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p");
|
|
|
1109
|
|
|
1110 /* then reset the console-type lists, because `dead' is not really
|
|
|
1111 a valid console type */
|
|
|
1112 Dynarr_reset (the_console_type_entry_dynarr);
|
|
|
1113 Vconsole_type_list = Qnil;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116 void
|
|
|
1117 vars_of_console (void)
|
|
|
1118 {
|
|
|
1119 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /*
|
|
|
1120 Function or functions to call when a console is created.
|
|
|
1121 One argument, the newly-created console.
|
|
|
1122 This is called after the first frame has been created, but before
|
|
|
1123 calling the `create-device-hook' or `create-frame-hook'.
|
|
|
1124 Note that in general the console will not be selected.
|
|
|
1125 */ );
|
|
|
1126 Vcreate_console_hook = Qnil;
|
|
|
1127
|
|
|
1128 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /*
|
|
|
1129 Function or functions to call when a console is deleted.
|
|
|
1130 One argument, the to-be-deleted console.
|
|
|
1131 */ );
|
|
|
1132 Vdelete_console_hook = Qnil;
|
|
|
1133
|
|
|
1134 staticpro (&Vconsole_list);
|
|
|
1135 Vconsole_list = Qnil;
|
|
|
1136 staticpro (&Vselected_console);
|
|
|
1137 Vselected_console = Qnil;
|
|
|
1138
|
|
|
1139 #ifdef HAVE_WINDOW_SYSTEM
|
|
|
1140 Fprovide (intern ("window-system"));
|
|
|
1141 #endif
|
|
|
1142 }
|
|
|
1143
|
|
185
|
1144 /* DOC is ignored because it is snagged and recorded externally
|
|
0
|
1145 * by make-docfile */
|
|
|
1146 /* Declaring this stuff as const produces 'Cannot reinitialize' messages
|
|
|
1147 from SunPro C's fix-and-continue feature (a way neato feature that
|
|
|
1148 makes debugging unbelievably more bearable) */
|
|
185
|
1149 #define DEFVAR_CONSOLE_LOCAL(lname, field_name) do { \
|
|
|
1150 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1151 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1152 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1153 SYMVAL_SELECTED_CONSOLE_FORWARD }, 0 }; \
|
|
|
1154 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1155 } while (0)
|
|
0
|
1156
|
|
185
|
1157 #define DEFVAR_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) do { \
|
|
|
1158 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1159 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1160 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1161 SYMVAL_SELECTED_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1162 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1163 } while (0)
|
|
0
|
1164
|
|
185
|
1165 #define DEFVAR_CONST_CONSOLE_LOCAL(lname, field_name) do { \
|
|
|
1166 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1167 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1168 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1169 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD }, 0 }; \
|
|
|
1170 defvar_console_local ((lname), &I_hate_C); \
|
|
|
1171 } while (0)
|
|
0
|
1172
|
|
185
|
1173 #define DEFVAR_CONST_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) do { \
|
|
|
1174 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1175 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1176 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1177 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD }, magicfun }; \
|
|
272
|
1178 defvar_console_local ((lname), &I_hate_C); \
|
|
185
|
1179 } while (0)
|
|
0
|
1180
|
|
185
|
1181 #define DEFVAR_CONSOLE_DEFAULTS(lname, field_name) do { \
|
|
|
1182 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1183 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1184 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1185 SYMVAL_DEFAULT_CONSOLE_FORWARD }, 0 }; \
|
|
|
1186 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
|
|
|
1187 } while (0)
|
|
0
|
1188
|
|
185
|
1189 #define DEFVAR_CONSOLE_DEFAULTS_MAGIC(lname, field_name, magicfun) do { \
|
|
|
1190 static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
|
|
213
|
1191 = { { { symbol_value_forward_lheader_initializer, \
|
|
185
|
1192 (struct lcrecord_header *) &(console_local_flags.field_name), 69 }, \
|
|
|
1193 SYMVAL_DEFAULT_CONSOLE_FORWARD }, magicfun }; \
|
|
|
1194 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
|
|
|
1195 } while (0)
|
|
0
|
1196
|
|
|
1197 static void
|
|
185
|
1198 defvar_console_local (CONST char *namestring,
|
|
0
|
1199 CONST struct symbol_value_forward *m)
|
|
|
1200 {
|
|
|
1201 int offset = ((char *)symbol_value_forward_forward (m)
|
|
|
1202 - (char *)&console_local_flags);
|
|
|
1203
|
|
|
1204 defvar_mumble (namestring, m, sizeof (*m));
|
|
|
1205
|
|
185
|
1206 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols)))
|
|
0
|
1207 = intern (namestring);
|
|
|
1208 }
|
|
|
1209
|
|
|
1210 static void
|
|
|
1211 nuke_all_console_slots (struct console *con, Lisp_Object zap)
|
|
|
1212 {
|
|
|
1213 zero_lcrecord (con);
|
|
|
1214
|
|
|
1215 #define MARKED_SLOT(x) con->x = (zap);
|
|
|
1216 #include "conslots.h"
|
|
|
1217 #undef MARKED_SLOT
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 void
|
|
|
1221 complex_vars_of_console (void)
|
|
|
1222 {
|
|
|
1223 /* Make sure all markable slots in console_defaults
|
|
|
1224 are initialized reasonably, so mark_console won't choke.
|
|
|
1225 */
|
|
185
|
1226 struct console *defs = alloc_lcrecord_type (struct console, lrecord_console);
|
|
|
1227 struct console *syms = alloc_lcrecord_type (struct console, lrecord_console);
|
|
0
|
1228
|
|
|
1229 staticpro (&Vconsole_defaults);
|
|
|
1230 staticpro (&Vconsole_local_symbols);
|
|
|
1231 XSETCONSOLE (Vconsole_defaults, defs);
|
|
|
1232 XSETCONSOLE (Vconsole_local_symbols, syms);
|
|
185
|
1233
|
|
0
|
1234 nuke_all_console_slots (syms, Qnil);
|
|
|
1235 nuke_all_console_slots (defs, Qnil);
|
|
185
|
1236
|
|
0
|
1237 /* Set up the non-nil default values of various console slots.
|
|
|
1238 Must do these before making the first console.
|
|
|
1239 */
|
|
|
1240 /* #### Anything needed here? */
|
|
185
|
1241
|
|
0
|
1242 {
|
|
|
1243 /* 0 means var is always local. Default used only at creation.
|
|
|
1244 * -1 means var is always local. Default used only at reset and
|
|
|
1245 * creation.
|
|
|
1246 * -2 means there's no lisp variable corresponding to this slot
|
|
|
1247 * and the default is only used at creation.
|
|
|
1248 * -3 means no Lisp variable. Default used only at reset and creation.
|
|
|
1249 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0)
|
|
|
1250 * Otherwise default is used.
|
|
|
1251 *
|
|
|
1252 * #### We don't currently ever reset console variables, so there
|
|
|
1253 * is no current distinction between 0 and -1, and between -2 and -3.
|
|
|
1254 */
|
|
|
1255 Lisp_Object always_local_resettable = make_int (-1);
|
|
|
1256
|
|
|
1257 #if 0 /* not used */
|
|
|
1258 Lisp_Object always_local_no_default = make_int (0);
|
|
|
1259 Lisp_Object resettable = make_int (-3);
|
|
|
1260 #endif
|
|
185
|
1261
|
|
0
|
1262 /* Assign the local-flags to the slots that have default values.
|
|
|
1263 The local flag is a bit that is used in the console
|
|
|
1264 to say that it has its own local value for the slot.
|
|
|
1265 The local flag bits are in the local_var_flags slot of the
|
|
|
1266 console. */
|
|
185
|
1267
|
|
0
|
1268 nuke_all_console_slots (&console_local_flags, make_int (-2));
|
|
|
1269 console_local_flags.defining_kbd_macro = always_local_resettable;
|
|
|
1270 console_local_flags.last_kbd_macro = always_local_resettable;
|
|
|
1271 console_local_flags.prefix_arg = always_local_resettable;
|
|
|
1272 console_local_flags.default_minibuffer_frame = always_local_resettable;
|
|
|
1273 console_local_flags.overriding_terminal_local_map =
|
|
|
1274 always_local_resettable;
|
|
261
|
1275 #ifdef HAVE_TTY
|
|
155
|
1276 console_local_flags.tty_erase_char = always_local_resettable;
|
|
261
|
1277 #endif
|
|
185
|
1278
|
|
0
|
1279 console_local_flags.function_key_map = make_int (1);
|
|
185
|
1280
|
|
0
|
1281 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
|
|
|
1282 currently allowable due to the XINT() handling of this value.
|
|
|
1283 With some rearrangement you can get 4 more bits. */
|
|
|
1284 }
|
|
|
1285
|
|
|
1286 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /*
|
|
|
1287 Default value of `function-key-map' for consoles that don't override it.
|
|
|
1288 This is the same as (default-value 'function-key-map).
|
|
|
1289 */ );
|
|
|
1290
|
|
|
1291 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /*
|
|
|
1292 Keymap mapping ASCII function key sequences onto their preferred forms.
|
|
|
1293 This allows Emacs to recognize function keys sent from ASCII
|
|
|
1294 terminals at any point in a key sequence.
|
|
|
1295
|
|
|
1296 The `read-key-sequence' function replaces any subsequence bound by
|
|
|
1297 `function-key-map' with its binding. More precisely, when the active
|
|
|
1298 keymaps have no binding for the current key sequence but
|
|
|
1299 `function-key-map' binds a suffix of the sequence to a vector or string,
|
|
|
1300 `read-key-sequence' replaces the matching suffix with its binding, and
|
|
|
1301 continues with the new sequence.
|
|
|
1302
|
|
|
1303 The events that come from bindings in `function-key-map' are not
|
|
|
1304 themselves looked up in `function-key-map'.
|
|
|
1305
|
|
|
1306 For example, suppose `function-key-map' binds `ESC O P' to [f1].
|
|
|
1307 Typing `ESC O P' to `read-key-sequence' would return
|
|
|
1308 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return
|
|
|
1309 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1]
|
|
|
1310 were a prefix key, typing `ESC O P x' would return
|
|
|
1311 \[#<keypress-event f1> #<keypress-event x>].
|
|
|
1312 */ );
|
|
|
1313
|
|
261
|
1314 #ifdef HAVE_TTY
|
|
155
|
1315 /* ### Should this somehow go to TTY data? How do we make it
|
|
|
1316 accessible from Lisp, then? */
|
|
|
1317 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /*
|
|
|
1318 The ERASE character as set by the user with stty.
|
|
|
1319 When this value cannot be determined or would be meaningless (on non-TTY
|
|
|
1320 consoles, for example), it is set to nil.
|
|
|
1321 */ );
|
|
261
|
1322 #endif
|
|
155
|
1323
|
|
0
|
1324 /* While this should be CONST it can't be because some things
|
|
261
|
1325 (i.e. edebug) do manipulate it. */
|
|
0
|
1326 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /*
|
|
|
1327 Non-nil while a console macro is being defined. Don't set this!
|
|
|
1328 */ );
|
|
|
1329
|
|
|
1330 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /*
|
|
|
1331 Last kbd macro defined, as a vector of events; nil if none defined.
|
|
|
1332 */ );
|
|
|
1333
|
|
|
1334 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /*
|
|
|
1335 The value of the prefix argument for the next editing command.
|
|
|
1336 It may be a number, or the symbol `-' for just a minus sign as arg,
|
|
|
1337 or a list whose car is a number for just one or more C-U's
|
|
|
1338 or nil if no argument has been specified.
|
|
|
1339
|
|
|
1340 You cannot examine this variable to find the argument for this command
|
|
|
1341 since it has been set to nil by the time you can look.
|
|
|
1342 Instead, you should use the variable `current-prefix-arg', although
|
|
185
|
1343 normally commands can get this prefix argument with (interactive "P").
|
|
0
|
1344 */ );
|
|
|
1345
|
|
|
1346 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame",
|
|
|
1347 default_minibuffer_frame /*
|
|
|
1348 Minibufferless frames use this frame's minibuffer.
|
|
|
1349
|
|
|
1350 Emacs cannot create minibufferless frames unless this is set to an
|
|
|
1351 appropriate surrogate.
|
|
|
1352
|
|
|
1353 XEmacs consults this variable only when creating minibufferless
|
|
|
1354 frames; once the frame is created, it sticks with its assigned
|
|
|
1355 minibuffer, no matter what this variable is set to. This means that
|
|
|
1356 this variable doesn't necessarily say anything meaningful about the
|
|
|
1357 current set of frames, or where the minibuffer is currently being
|
|
|
1358 displayed.
|
|
|
1359 */ );
|
|
|
1360
|
|
|
1361 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map",
|
|
|
1362 overriding_terminal_local_map /*
|
|
|
1363 Keymap that overrides all other local keymaps, for the selected console only.
|
|
|
1364 If this variable is non-nil, it is used as a keymap instead of the
|
|
|
1365 buffer's local map, and the minor mode keymaps and text property keymaps.
|
|
|
1366 */ );
|
|
|
1367
|
|
|
1368 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding
|
|
|
1369 slot of console_local_flags and vice-versa. Must be done after all
|
|
|
1370 DEFVAR_CONSOLE_LOCAL() calls. */
|
|
|
1371 #define MARKED_SLOT(slot) \
|
|
|
1372 if ((XINT (console_local_flags.slot) != -2 && \
|
|
|
1373 XINT (console_local_flags.slot) != -3) \
|
|
|
1374 != !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))) \
|
|
|
1375 abort ()
|
|
|
1376 #include "conslots.h"
|
|
|
1377 #undef MARKED_SLOT
|
|
|
1378 }
|
