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0
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1 /* Generic device functions.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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4 Copyright (C) 1995, 1996 Ben Wing
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Original version by Chuck Thompson;
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26 rewritten and expanded by Ben Wing. */
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30
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31 #include "buffer.h"
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32 #include "console.h"
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33 #include "device.h"
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34 #include "elhash.h"
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35 #include "events.h"
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36 #include "faces.h"
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37 #include "frame.h"
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38 #include "keymap.h"
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39 #include "redisplay.h"
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40 #include "scrollbar.h"
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41 #include "specifier.h"
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42 #include "sysdep.h"
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43 #include "window.h"
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44
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45 #include "syssignal.h"
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46
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47 /* Vdefault_device is the firstly-created non-stream device that's still
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48 around. We don't really use it anywhere currently, but it might
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49 be used for resourcing at some point. (Currently we use
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50 Vdefault_x_device.) */
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51 Lisp_Object Vdefault_device;
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52
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53 Lisp_Object Vcreate_device_hook, Vdelete_device_hook;
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54
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55 /* Device classes */
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56 /* Qcolor defined in general.c */
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57 Lisp_Object Qgrayscale, Qmono;
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58
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59 Lisp_Object Qdevicep, Qdevice_live_p;
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60 Lisp_Object Qdelete_device;
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61 Lisp_Object Qcreate_device_hook;
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62 Lisp_Object Qdelete_device_hook;
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63
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64 Lisp_Object Vdevice_class_list;
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65
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66 MAC_DEFINE (struct device *, MTdevice_data)
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67
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68
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69 static Lisp_Object mark_device (Lisp_Object, void (*) (Lisp_Object));
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70 static void print_device (Lisp_Object, Lisp_Object, int);
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71 DEFINE_LRECORD_IMPLEMENTATION ("device", device,
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72 mark_device, print_device, 0, 0, 0,
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73 struct device);
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74
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75 static Lisp_Object
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76 mark_device (Lisp_Object obj, void (*markobj) (Lisp_Object))
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77 {
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78 struct device *d = XDEVICE (obj);
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79
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80 ((markobj) (d->name));
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81 ((markobj) (d->connection));
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82 ((markobj) (d->canon_connection));
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83 ((markobj) (d->console));
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84 ((markobj) (d->_selected_frame));
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85 ((markobj) (d->frame_with_focus_real));
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86 ((markobj) (d->frame_with_focus_for_hooks));
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87 ((markobj) (d->frame_that_ought_to_have_focus));
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88 ((markobj) (d->device_class));
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89 ((markobj) (d->user_defined_tags));
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90 ((markobj) (d->pixel_to_glyph_cache.obj1));
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91 ((markobj) (d->pixel_to_glyph_cache.obj2));
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92
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93 ((markobj) (d->color_instance_cache));
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94 ((markobj) (d->font_instance_cache));
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95 ((markobj) (d->image_instance_cache));
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96
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97 if (d->devmeths)
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98 {
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99 ((markobj) (d->devmeths->symbol));
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100 MAYBE_DEVMETH (d, mark_device, (d, markobj));
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101 }
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102
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103 return (d->frame_list);
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104 }
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105
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106 static void
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107 print_device (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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108 {
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109 struct device *d = XDEVICE (obj);
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110 char buf[256];
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111
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112 if (print_readably)
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113 error ("printing unreadable object #<device %s 0x%x>",
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14
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114 XSTRING_DATA (d->name), d->header.uid);
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0
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115
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116 sprintf (buf, "#<%s-device", !DEVICE_LIVE_P (d) ? "dead" :
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117 DEVICE_TYPE_NAME (d));
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118 write_c_string (buf, printcharfun);
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119 if (DEVICE_LIVE_P (d))
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120 {
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121 write_c_string (" on ", printcharfun);
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122 print_internal (DEVICE_CONNECTION (d), printcharfun, 1);
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123 }
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124 sprintf (buf, " 0x%x>", d->header.uid);
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125 write_c_string (buf, printcharfun);
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126 }
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127
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128
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129 int
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130 valid_device_class_p (Lisp_Object class)
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131 {
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132 return !NILP (memq_no_quit (class, Vdevice_class_list));
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133 }
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134
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135 DEFUN ("valid-device-class-p", Fvalid_device_class_p, Svalid_device_class_p,
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136 1, 1, 0 /*
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137 Given a DEVICE-CLASS, return t if it is valid.
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138 Valid classes are 'color, 'grayscale, and 'mono.
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139 */ )
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140 (device_class)
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141 Lisp_Object device_class;
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142 {
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143 if (valid_device_class_p (device_class))
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144 return Qt;
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145 else
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146 return Qnil;
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147 }
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148
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149 DEFUN ("device-class-list", Fdevice_class_list, Sdevice_class_list,
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150 0, 0, 0 /*
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151 Return a list of valid device classes.
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152 */ )
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153 ()
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154 {
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155 return Fcopy_sequence (Vdevice_class_list);
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156 }
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157
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158 static struct device *
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159 allocate_device (Lisp_Object console)
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160 {
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161 Lisp_Object device = Qnil;
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162 struct device *d = alloc_lcrecord (sizeof (struct device), lrecord_device);
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163 struct gcpro gcpro1;
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164
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165 zero_lcrecord (d);
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166
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167 XSETDEVICE (device, d);
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168 GCPRO1 (device);
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169
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170 d->name = Qnil;
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171 d->console = console;
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172 d->connection = Qnil;
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173 d->canon_connection = Qnil;
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174 d->frame_list = Qnil;
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175 d->_selected_frame = Qnil;
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176 d->frame_with_focus_real = Qnil;
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177 d->frame_with_focus_for_hooks = Qnil;
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178 d->frame_that_ought_to_have_focus = Qnil;
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179 d->device_class = Qnil;
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180 d->user_defined_tags = Qnil;
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181 d->pixel_to_glyph_cache.obj1 = Qnil;
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182 d->pixel_to_glyph_cache.obj2 = Qnil;
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183
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184 d->infd = d->outfd = -1;
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185
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186 /* #### is 20 reasonable? */
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187 d->color_instance_cache = make_lisp_hashtable (20, HASHTABLE_KEY_WEAK,
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188 HASHTABLE_EQUAL);
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189 d->font_instance_cache = make_lisp_hashtable (20, HASHTABLE_KEY_WEAK,
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190 HASHTABLE_EQUAL);
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191 /*
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192 Note that the image instance cache is actually bi-level.
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193 See device.h. We use a low number here because most of the
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194 time there aren't very many diferent masks that will be used.
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195 */
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196 d->image_instance_cache = make_lisp_hashtable (5, HASHTABLE_NONWEAK,
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197 HASHTABLE_EQ);
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198
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199 UNGCPRO;
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200 return d;
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201 }
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202
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203 struct device *
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204 decode_device (Lisp_Object device)
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205 {
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206 if (NILP (device))
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207 device = Fselected_device (Qnil);
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208 /* quietly accept frames for the device arg */
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209 if (FRAMEP (device))
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210 device = FRAME_DEVICE (decode_frame (device));
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211 CHECK_LIVE_DEVICE (device);
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212 return XDEVICE (device);
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213 }
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214
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215 Lisp_Object
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216 make_device (struct device *d)
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217 {
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218 Lisp_Object device = Qnil;
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219 XSETDEVICE (device, d);
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220 return device;
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221 }
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222
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223 DEFUN ("dfw-device", Fdfw_device, Sdfw_device, 1, 1, 0 /*
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224 Given a device, frame, or window, return the associated device.
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225 Return nil otherwise.
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226 */ )
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227 (obj)
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228 Lisp_Object obj;
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229 {
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230 return DFW_DEVICE (obj);
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231 }
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232
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233
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234 DEFUN ("selected-device", Fselected_device, Sselected_device, 0, 1, 0 /*
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235 Return the device which is currently active.
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236 If optional CONSOLE is non-nil, return the device that would be currently
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237 active if CONSOLE were the selected console.
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238 */ )
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239 (console)
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240 Lisp_Object console;
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241 {
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242 if (NILP (console) && NILP (Vselected_console))
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243 return Qnil; /* happens early in temacs */
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244 return CONSOLE_SELECTED_DEVICE (decode_console (console));
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245 }
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246
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247 /* Called from selected_frame_1(), called from Fselect_window() */
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248 void
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249 select_device_1 (Lisp_Object device)
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250 {
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251 struct device *dev = XDEVICE (device);
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252 Lisp_Object old_selected_device = Fselected_device (Qnil);
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253
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254 if (EQ (device, old_selected_device))
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255 return;
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256
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257 /* now select the device's console */
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258 CONSOLE_SELECTED_DEVICE (XCONSOLE (DEVICE_CONSOLE (dev))) = device;
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259 select_console_1 (DEVICE_CONSOLE (dev));
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260 }
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261
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262 DEFUN ("select-device", Fselect_device, Sselect_device, 1, 1, 0 /*
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263 Select the device DEVICE.
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264 Subsequent editing commands apply to its console, selected frame,
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265 and selected window.
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266 The selection of DEVICE lasts until the next time the user does
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267 something to select a different device, or until the next time this
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268 function is called.
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269 */ )
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270 (device)
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271 Lisp_Object device;
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272 {
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273 CHECK_LIVE_DEVICE (device);
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274
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275 /* select the device's selected frame's selected window. This will call
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276 selected_frame_1()->selected_device_1()->selected_console_1(). */
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277 if (!NILP (DEVICE_SELECTED_FRAME (XDEVICE (device))))
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278 Fselect_window (FRAME_SELECTED_WINDOW
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279 (XFRAME (DEVICE_SELECTED_FRAME (XDEVICE (device)))));
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280 else
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281 error ("Can't select a device with no frames");
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282 return Qnil;
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283 }
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284
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285 void
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286 set_device_selected_frame (struct device *d, Lisp_Object frame)
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287 {
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288 if (!NILP (frame) && !FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
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289 set_console_last_nonminibuf_frame (XCONSOLE (DEVICE_CONSOLE (d)), frame);
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290 d->_selected_frame = frame;
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291 }
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292
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293 DEFUN ("set-device-selected-frame", Fset_device_selected_frame,
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294 Sset_device_selected_frame, 2, 2, 0 /*
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295 Set the selected frame of device object DEVICE to FRAME.
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296 If DEVICE is nil, the selected device is used.
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297 If DEVICE is the selected device, this makes FRAME the selected frame.
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298 */ )
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299 (device, frame)
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300 Lisp_Object device, frame;
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301 {
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302 XSETDEVICE (device, decode_device (device));
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303 CHECK_LIVE_FRAME (frame);
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304
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305 if (! EQ (device, FRAME_DEVICE (XFRAME (frame))))
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306 error ("In `set-device-selected-frame', FRAME is not on DEVICE");
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307
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308 if (EQ (device, Fselected_device (Qnil)))
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309 return Fselect_frame (frame);
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310
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311 set_device_selected_frame (XDEVICE (device), frame);
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312 return frame;
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313 }
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314
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315 DEFUN ("devicep", Fdevicep, Sdevicep, 1, 1, 0 /*
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316 Return non-nil if OBJECT is a device.
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317 */ )
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318 (object)
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319 Lisp_Object object;
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320 {
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321 if (!DEVICEP (object))
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322 return Qnil;
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323 return Qt;
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324 }
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325
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326 DEFUN ("device-live-p", Fdevice_live_p, Sdevice_live_p, 1, 1, 0 /*
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327 Return non-nil if OBJECT is a device that has not been deleted.
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328 */ )
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329 (object)
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330 Lisp_Object object;
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331 {
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332 if (!DEVICEP (object) || !DEVICE_LIVE_P (XDEVICE (object)))
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333 return Qnil;
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334 return Qt;
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335 }
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336
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337 DEFUN ("device-name", Fdevice_name, Sdevice_name, 0, 1, 0 /*
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338 Return the name of the specified device.
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339 DEVICE defaults to the selected device if omitted.
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340 */ )
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341 (device)
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342 Lisp_Object device;
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343 {
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344 return DEVICE_NAME (decode_device (device));
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345 }
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346
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347 DEFUN ("device-connection", Fdevice_connection, Sdevice_connection, 0, 1, 0 /*
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348 Return the connection of the specified device.
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349 DEVICE defaults to the selected device if omitted.
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350 */ )
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351 (device)
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352 Lisp_Object device;
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353 {
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354 return DEVICE_CONNECTION (decode_device (device));
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355 }
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356
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357 DEFUN ("device-console", Fdevice_console, Sdevice_console, 0, 1, 0 /*
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358 Return the console of the specified device.
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359 DEVICE defaults to the selected device if omitted.
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360 */ )
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361 (device)
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362 Lisp_Object device;
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363 {
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364 return DEVICE_CONSOLE (decode_device (device));
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365 }
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366
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367 #ifdef HAVE_X_WINDOWS
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368 extern Lisp_Object Vdefault_x_device;
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369 #endif
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370 #ifdef HAVE_NEXTSTEP
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371 extern Lisp_Object Vdefault_ns_device;
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372 #endif
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373
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374 #ifdef HAVE_X_WINDOWS
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375
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376 static void
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377 init_global_resources (struct device *d)
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378 {
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379 init_global_faces (d);
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380 #ifdef HAVE_SCROLLBARS
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381 init_global_scrollbars (d);
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382 #endif
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383 #ifdef HAVE_TOOLBARS
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384 init_global_toolbars (d);
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385 #endif
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386 }
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387
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388 #endif
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389
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390 static void
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391 init_device_resources (struct device *d)
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392 {
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393 init_device_faces (d);
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394 #ifdef HAVE_SCROLLBARS
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395 init_device_scrollbars (d);
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396 #endif
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397 #ifdef HAVE_TOOLBARS
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398 init_device_toolbars (d);
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399 #endif
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400 }
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401
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402 static Lisp_Object
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403 semi_canonicalize_device_connection (struct console_methods *meths,
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404 Lisp_Object name, Error_behavior errb)
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405 {
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406 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_device_connection,
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407 (name, errb), name);
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408 }
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409
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410 static Lisp_Object
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411 canonicalize_device_connection (struct console_methods *meths,
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412 Lisp_Object name, Error_behavior errb)
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413 {
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414 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_device_connection,
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|
|
415 (name, errb), name);
|
|
|
416 }
|
|
|
417
|
|
|
418 static Lisp_Object
|
|
|
419 find_device_of_type (struct console_methods *meths, Lisp_Object canon)
|
|
|
420 {
|
|
|
421 Lisp_Object devcons, concons;
|
|
|
422
|
|
|
423 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
424 {
|
|
|
425 Lisp_Object device = XCAR (devcons);
|
|
|
426
|
|
|
427 if (EQ (CONMETH_TYPE (meths), DEVICE_TYPE (XDEVICE (device)))
|
|
|
428 && !NILP (Fequal (DEVICE_CANON_CONNECTION (XDEVICE (device)),
|
|
|
429 canon)))
|
|
|
430 return device;
|
|
|
431 }
|
|
|
432
|
|
|
433 return Qnil;
|
|
|
434 }
|
|
|
435
|
|
|
436 DEFUN ("find-device", Ffind_device, Sfind_device, 1, 2, 0 /*
|
|
|
437 Look for an existing device attached to connection CONNECTION.
|
|
|
438 Return the device if found; otherwise, return nil.
|
|
|
439
|
|
|
440 If TYPE is specified, only return devices of that type; otherwise,
|
|
|
441 return devices of any type. (It is possible, although unlikely,
|
|
|
442 that two devices of different types could have the same connection
|
|
|
443 name; in such a case, the first device found is returned.)
|
|
|
444 */ )
|
|
|
445 (connection, type)
|
|
|
446 Lisp_Object connection, type;
|
|
|
447 {
|
|
|
448 Lisp_Object canon = Qnil;
|
|
|
449 struct gcpro gcpro1;
|
|
|
450
|
|
|
451 GCPRO1 (canon);
|
|
|
452
|
|
|
453 if (!NILP (type))
|
|
|
454 {
|
|
|
455 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
|
|
|
456 canon = canonicalize_device_connection (conmeths, connection,
|
|
|
457 ERROR_ME_NOT);
|
|
|
458 if (UNBOUNDP (canon))
|
|
|
459 RETURN_UNGCPRO (Qnil);
|
|
|
460
|
|
|
461 RETURN_UNGCPRO (find_device_of_type (conmeths, canon));
|
|
|
462 }
|
|
|
463 else
|
|
|
464 {
|
|
|
465 int i;
|
|
|
466
|
|
|
467 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
468 {
|
|
|
469 struct console_methods *conmeths =
|
|
|
470 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
|
471 canon = canonicalize_device_connection (conmeths, connection,
|
|
|
472 ERROR_ME_NOT);
|
|
|
473 if (!UNBOUNDP (canon))
|
|
|
474 {
|
|
|
475 Lisp_Object device = find_device_of_type (conmeths, canon);
|
|
|
476 if (!NILP (device))
|
|
|
477 RETURN_UNGCPRO (device);
|
|
|
478 }
|
|
|
479 }
|
|
|
480
|
|
|
481 RETURN_UNGCPRO (Qnil);
|
|
|
482 }
|
|
|
483 }
|
|
|
484
|
|
|
485 DEFUN ("get-device", Fget_device, Sget_device, 1, 2, 0 /*
|
|
|
486 Look for an existing device attached to connection CONNECTION.
|
|
|
487 Return the device if found; otherwise, signal an error.
|
|
|
488
|
|
|
489 If TYPE is specified, only return devices of that type; otherwise,
|
|
|
490 return devices of any type. (It is possible, although unlikely,
|
|
|
491 that two devices of different types could have the same connection
|
|
|
492 name; in such a case, the first device found is returned.)
|
|
|
493 */ )
|
|
|
494 (connection, type)
|
|
|
495 Lisp_Object connection, type;
|
|
|
496 {
|
|
|
497 Lisp_Object device = Ffind_device (connection, type);
|
|
|
498 if (NILP (device))
|
|
|
499 {
|
|
|
500 if (NILP (type))
|
|
|
501 signal_simple_error ("No such device", connection);
|
|
|
502 else
|
|
|
503 signal_simple_error_2 ("No such device", type, connection);
|
|
|
504 }
|
|
|
505 return device;
|
|
|
506 }
|
|
|
507
|
|
|
508 DEFUN ("make-device", Fmake_device, Smake_device, 2, 3, 0 /*
|
|
|
509 Create a new device of type TYPE, attached to connection CONNECTION.
|
|
|
510
|
|
|
511 The valid values for CONNECTION are device-specific; however,
|
|
|
512 CONNECTION is generally a string. (Specifically, for X devices,
|
|
|
513 CONNECTION should be a display specification such as "foo:0", and
|
|
|
514 for TTY devices, CONNECTION should be the filename of a TTY device
|
|
|
515 file, such as "/dev/ttyp4", or nil to refer to XEmacs' standard
|
|
|
516 input/output.)
|
|
|
517
|
|
|
518 PROPS, if specified, should be a plist of properties controlling
|
|
|
519 device creation.
|
|
|
520
|
|
|
521 If CONNECTION specifies an already-existing device connection, that
|
|
|
522 device is simply returned; no new device is created, and PROPS
|
|
|
523 have no effect.
|
|
|
524 */ )
|
|
|
525 (type, connection, props)
|
|
|
526 Lisp_Object type, connection, props;
|
|
|
527 {
|
|
|
528 /* This function can GC */
|
|
|
529 struct device *d;
|
|
|
530 struct console *con;
|
|
|
531 Lisp_Object device = Qnil;
|
|
|
532 Lisp_Object console = Qnil;
|
|
|
533 Lisp_Object name = Qnil;
|
|
|
534 struct console_methods *conmeths;
|
|
|
535
|
|
|
536 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
537 #ifdef HAVE_X_WINDOWS
|
|
|
538 /* #### icky-poo. If this is the first X device we are creating,
|
|
|
539 then retrieve the global face resources. We have to do it
|
|
|
540 here, at the same time as (or just before) the device face
|
|
|
541 resources are retrieved; specifically, it needs to be done
|
|
|
542 after the device has been created but before any frames have
|
|
|
543 been popped up or much anything else has been done. It's
|
|
|
544 possible for other devices to specify different global
|
|
|
545 resources (there's a property on each X server's root window
|
|
|
546 that holds some resources); tough luck for the moment.
|
|
|
547
|
|
|
548 This is a nasty violation of device independence, but
|
|
|
549 there's not a whole lot I can figure out to do about it.
|
|
|
550 The real problem is that the concept of resources is not
|
|
|
551 generalized away from X. Similar resource-related
|
|
|
552 device-independence violations occur in faces.el. */
|
|
|
553 int first_x_device = NILP (Vdefault_x_device) && EQ (type, Qx);
|
|
|
554 #endif
|
|
|
555
|
|
|
556 GCPRO3 (device, console, name);
|
|
|
557
|
|
|
558 conmeths = decode_console_type (type, ERROR_ME_NOT);
|
|
|
559 if (!conmeths)
|
|
|
560 signal_simple_error ("Invalid device type", type);
|
|
|
561
|
|
|
562 device = Ffind_device (connection, type);
|
|
|
563 if (!NILP (device))
|
|
|
564 RETURN_UNGCPRO (device);
|
|
|
565
|
|
|
566 name = Fplist_get (props, Qname, Qnil);
|
|
|
567
|
|
|
568 {
|
|
|
569 Lisp_Object conconnect =
|
|
|
570 CONTYPE_METH_OR_GIVEN (conmeths,
|
|
|
571 device_to_console_connection,
|
|
|
572 (connection, ERROR_ME),
|
|
|
573 connection);
|
|
|
574 console = create_console (name, type, conconnect, props);
|
|
|
575 }
|
|
|
576
|
|
|
577 con = XCONSOLE (console);
|
|
|
578 d = allocate_device (console);
|
|
|
579 XSETDEVICE (device, d);
|
|
|
580
|
|
|
581 d->devmeths = con->conmeths;
|
|
|
582
|
|
|
583 DEVICE_NAME (d) = name;
|
|
|
584 DEVICE_CONNECTION (d) = semi_canonicalize_device_connection (conmeths,
|
|
|
585 connection,
|
|
|
586 ERROR_ME);
|
|
|
587 DEVICE_CANON_CONNECTION (d) = canonicalize_device_connection (conmeths,
|
|
|
588 connection,
|
|
|
589 ERROR_ME);
|
|
|
590
|
|
|
591 MAYBE_DEVMETH (d, init_device, (d, props));
|
|
|
592
|
|
|
593 /* Do it this way so that the device list is in order of creation */
|
|
|
594 con->device_list = nconc2 (con->device_list, Fcons (device, Qnil));
|
|
|
595 RESET_CHANGED_SET_FLAGS;
|
|
|
596 if (NILP (Vdefault_device) || DEVICE_STREAM_P (XDEVICE (Vdefault_device)))
|
|
|
597 Vdefault_device = device;
|
|
|
598
|
|
|
599 init_device_sound (d);
|
|
|
600 #ifdef HAVE_X_WINDOWS
|
|
|
601 if (first_x_device)
|
|
|
602 init_global_resources (d);
|
|
|
603 #endif
|
|
|
604 init_device_resources (d);
|
|
|
605
|
|
|
606 MAYBE_DEVMETH (d, finish_init_device, (d, props));
|
|
|
607
|
|
|
608 /* If this is the first device on the console, make it the selected one. */
|
|
|
609 if (NILP (CONSOLE_SELECTED_DEVICE (con)))
|
|
|
610 CONSOLE_SELECTED_DEVICE (con) = device;
|
|
|
611
|
|
|
612 /* #### the following should trap errors. */
|
|
|
613 setup_device_initial_specifier_tags (d);
|
|
|
614
|
|
|
615 UNGCPRO;
|
|
|
616 return device;
|
|
|
617 }
|
|
|
618
|
|
|
619 /* find a device other than the selected one. Prefer non-stream
|
|
|
620 devices over stream devices. Maybe stay on the same console. */
|
|
|
621
|
|
|
622 static Lisp_Object
|
|
|
623 find_other_device (Lisp_Object device, int on_same_console)
|
|
|
624 {
|
|
|
625 Lisp_Object devcons = Qnil, concons = Qnil;
|
|
|
626 Lisp_Object console = DEVICE_CONSOLE (XDEVICE (device));
|
|
|
627
|
|
|
628 /* look for a non-stream device */
|
|
|
629 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
630 {
|
|
|
631 Lisp_Object dev = XCAR (devcons);
|
|
|
632 if (on_same_console && !EQ (console, DEVICE_CONSOLE (XDEVICE (dev))))
|
|
|
633 continue;
|
|
|
634 if (!DEVICE_STREAM_P (XDEVICE (dev)) && !EQ (dev, device) &&
|
|
|
635 !NILP (DEVICE_SELECTED_FRAME (XDEVICE (dev))))
|
|
|
636 goto double_break_1;
|
|
|
637 }
|
|
|
638
|
|
|
639 double_break_1:
|
|
|
640 if (!NILP (devcons))
|
|
|
641 return XCAR (devcons);
|
|
|
642
|
|
|
643 /* OK, now look for a stream device */
|
|
|
644 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
645 {
|
|
|
646 Lisp_Object dev = XCAR (devcons);
|
|
|
647 if (on_same_console && !EQ (console, DEVICE_CONSOLE (XDEVICE (dev))))
|
|
|
648 continue;
|
|
|
649 if (!EQ (dev, device) && !NILP (DEVICE_SELECTED_FRAME (XDEVICE (dev))))
|
|
|
650 goto double_break_2;
|
|
|
651 }
|
|
|
652 double_break_2:
|
|
|
653 if (!NILP (devcons))
|
|
|
654 return XCAR (devcons);
|
|
|
655
|
|
|
656 /* Sorry, there ain't none */
|
|
|
657 return Qnil;
|
|
|
658 }
|
|
|
659
|
|
|
660 static int
|
|
|
661 find_nonminibuffer_frame_not_on_device_predicate (Lisp_Object frame,
|
|
|
662 void *closure)
|
|
|
663 {
|
|
|
664 Lisp_Object device;
|
|
|
665
|
|
|
666 VOID_TO_LISP (device, closure);
|
|
|
667 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
|
668 return 0;
|
|
|
669 if (EQ (device, FRAME_DEVICE (XFRAME (frame))))
|
|
|
670 return 0;
|
|
|
671 return 1;
|
|
|
672 }
|
|
|
673
|
|
|
674 Lisp_Object
|
|
|
675 find_nonminibuffer_frame_not_on_device (Lisp_Object device)
|
|
|
676 {
|
|
|
677 return find_some_frame (find_nonminibuffer_frame_not_on_device_predicate,
|
|
|
678 LISP_TO_VOID (device));
|
|
|
679 }
|
|
|
680
|
|
|
681
|
|
|
682 /* Delete device D.
|
|
|
683
|
|
|
684 If FORCE is non-zero, allow deletion of the only frame.
|
|
|
685
|
|
|
686 If CALLED_FROM_DELETE_CONSOLE is non-zero, then, if
|
|
|
687 deleting the last device on a console, just delete it,
|
|
|
688 instead of calling `delete-console'.
|
|
|
689
|
|
|
690 If FROM_IO_ERROR is non-zero, then the device is gone due
|
|
|
691 to an I/O error. This affects what happens if we exit
|
|
|
692 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
|
693 */
|
|
|
694
|
|
|
695 void
|
|
|
696 delete_device_internal (struct device *d, int force,
|
|
|
697 int called_from_delete_console,
|
|
|
698 int from_io_error)
|
|
|
699 {
|
|
|
700 /* This function can GC */
|
|
|
701 struct console *c;
|
|
|
702 Lisp_Object device = Qnil;
|
|
|
703 struct gcpro gcpro1;
|
|
|
704
|
|
|
705 /* OK to delete an already-deleted device. */
|
|
|
706 if (!DEVICE_LIVE_P (d))
|
|
|
707 return;
|
|
|
708
|
|
|
709 XSETDEVICE (device, d);
|
|
|
710 GCPRO1 (device);
|
|
|
711
|
|
|
712 c = XCONSOLE (DEVICE_CONSOLE (d));
|
|
|
713
|
|
|
714 if (!called_from_delete_console)
|
|
|
715 {
|
|
|
716 int delete_console = 0;
|
|
|
717 /* If we're deleting the only device on the console,
|
|
|
718 delete the console. */
|
|
|
719 if ((XINT (Flength (CONSOLE_DEVICE_LIST (c))) == 1)
|
|
|
720 /* if we just created the device, it might not be listed,
|
|
|
721 or something ... */
|
|
|
722 && !NILP (memq_no_quit (device, CONSOLE_DEVICE_LIST (c))))
|
|
|
723 delete_console = 1;
|
|
|
724 /* Or if there aren't any nonminibuffer frames that would be
|
|
|
725 left, delete the console (this will make XEmacs exit). */
|
|
|
726 else if (NILP (find_nonminibuffer_frame_not_on_device (device)))
|
|
|
727 delete_console = 1;
|
|
|
728
|
|
|
729 if (delete_console)
|
|
|
730 {
|
|
|
731 delete_console_internal (c, force, 0, from_io_error);
|
|
|
732 UNGCPRO;
|
|
|
733 return;
|
|
|
734 }
|
|
|
735 }
|
|
|
736
|
|
|
737 reset_one_device (d);
|
|
|
738
|
|
|
739 {
|
|
|
740 Lisp_Object frmcons;
|
|
|
741
|
|
|
742 /* First delete all frames without their own minibuffers,
|
|
|
743 to avoid errors coming from attempting to delete a frame
|
|
|
744 that is a surrogate for another frame. */
|
|
|
745 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
746 {
|
|
|
747 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
748 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
749 so be defensive. */
|
|
|
750 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
|
751 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
752
|
|
|
753 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
|
754 go ahead and delete anything */
|
|
|
755 {
|
|
|
756 UNGCPRO;
|
|
|
757 return;
|
|
|
758 }
|
|
|
759 }
|
|
|
760
|
|
|
761 /* #### This should probably be a device method but it is time for
|
|
|
762 19.14 to go out the door. */
|
|
|
763 #ifdef HAVE_X_WINDOWS
|
|
|
764 /* Next delete all frames which have the popup property to avoid
|
|
|
765 deleting a child after its parent. */
|
|
|
766 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
767 {
|
|
|
768 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
769
|
|
|
770 if (FRAME_LIVE_P (f))
|
|
|
771 {
|
|
|
772 Lisp_Object popup = Fframe_property (XCAR (frmcons), Qpopup, Qnil);
|
|
|
773 if (!NILP (popup))
|
|
|
774 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
775
|
|
|
776 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
|
777 go ahead and delete anything */
|
|
|
778 {
|
|
|
779 UNGCPRO;
|
|
|
780 return;
|
|
|
781 }
|
|
|
782 }
|
|
|
783 }
|
|
|
784 #endif /* HAVE_X_WINDOWS */
|
|
|
785
|
|
|
786 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
787 {
|
|
|
788 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
789 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
790 so be defensive. */
|
|
|
791 if (FRAME_LIVE_P (f))
|
|
|
792 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
793
|
|
|
794 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
|
795 go ahead and delete anything */
|
|
|
796 {
|
|
|
797 UNGCPRO;
|
|
|
798 return;
|
|
|
799 }
|
|
|
800 }
|
|
|
801 }
|
|
|
802
|
|
|
803 set_device_selected_frame (d, Qnil);
|
|
|
804
|
|
|
805 /* try to select another device */
|
|
|
806
|
|
|
807 if (EQ (device, Fselected_device (DEVICE_CONSOLE (d))))
|
|
|
808 {
|
|
|
809 Lisp_Object other_dev = find_other_device (device, 1);
|
|
|
810 if (!NILP (other_dev))
|
|
|
811 Fselect_device (other_dev);
|
|
|
812 }
|
|
|
813
|
|
|
814 if (EQ (device, Vdefault_device))
|
|
|
815 Vdefault_device = find_other_device (device, 0);
|
|
|
816
|
|
|
817 MAYBE_DEVMETH (d, delete_device, (d));
|
|
|
818
|
|
|
819 CONSOLE_DEVICE_LIST (c) = delq_no_quit (device, CONSOLE_DEVICE_LIST (c));
|
|
|
820 RESET_CHANGED_SET_FLAGS;
|
|
|
821 d->devmeths = dead_console_methods;
|
|
|
822 UNGCPRO;
|
|
|
823 }
|
|
|
824
|
|
|
825 /* delete a device as a result of an I/O error. Called from
|
|
|
826 an enqueued magic-eval event. */
|
|
|
827
|
|
|
828 void
|
|
|
829 io_error_delete_device (Lisp_Object device)
|
|
|
830 {
|
|
|
831 delete_device_internal (XDEVICE (device), 1, 0, 1);
|
|
|
832 }
|
|
|
833
|
|
|
834 DEFUN ("delete-device", Fdelete_device, Sdelete_device, 1, 2, 0 /*
|
|
|
835 Delete DEVICE, permanently eliminating it from use.
|
|
|
836 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
837 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
838 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
839 will automatically call `save-buffers-kill-emacs'.)
|
|
|
840 */ )
|
|
|
841 (device, force)
|
|
|
842 Lisp_Object device, force;
|
|
|
843 {
|
|
|
844 CHECK_DEVICE (device);
|
|
|
845 delete_device_internal (XDEVICE (device), !NILP (force), 0, 0);
|
|
|
846 return Qnil;
|
|
|
847 }
|
|
|
848
|
|
|
849 DEFUN ("device-frame-list", Fdevice_frame_list, Sdevice_frame_list,
|
|
|
850 0, 1, 0 /*
|
|
|
851 Return a list of all frames on DEVICE.
|
|
|
852 If DEVICE is nil, the selected device will be used.
|
|
|
853 */ )
|
|
|
854 (device)
|
|
|
855 Lisp_Object device;
|
|
|
856 {
|
|
|
857 return Fcopy_sequence (DEVICE_FRAME_LIST (decode_device (device)));
|
|
|
858 }
|
|
|
859
|
|
|
860 DEFUN ("device-class", Fdevice_class, Sdevice_class,
|
|
|
861 0, 1, 0 /*
|
|
|
862 Return the class (color behavior) of DEVICE.
|
|
|
863 This will be one of 'color, 'grayscale, or 'mono.
|
|
|
864 */ )
|
|
|
865 (device)
|
|
|
866 Lisp_Object device;
|
|
|
867 {
|
|
|
868 return DEVICE_CLASS (decode_device (device));
|
|
|
869 }
|
|
|
870
|
|
|
871 DEFUN ("set-device-class", Fset_device_class, Sset_device_class,
|
|
|
872 2, 2, 0 /*
|
|
|
873 Set the class (color behavior) of DEVICE.
|
|
|
874 CLASS should be one of 'color, 'grayscale, or 'mono.
|
|
|
875 This is only allowed on device such as TTY devices, where the color
|
|
|
876 behavior cannot necessarily be determined automatically.
|
|
|
877 */ )
|
|
|
878 (device, class)
|
|
|
879 Lisp_Object device, class;
|
|
|
880 {
|
|
|
881 struct device *d = decode_device (device);
|
|
|
882 XSETDEVICE (device, d);
|
|
|
883 if (!DEVICE_TTY_P (d))
|
|
|
884 signal_simple_error ("Cannot change the class of this device", device);
|
|
|
885 if (!EQ (class, Qcolor) && !EQ (class, Qmono) && !EQ (class, Qgrayscale))
|
|
|
886 signal_simple_error ("Must be color, mono, or grayscale", class);
|
|
|
887 DEVICE_CLASS (d) = class;
|
|
|
888 return Qnil;
|
|
|
889 }
|
|
|
890
|
|
|
891 DEFUN ("device-pixel-width", Fdevice_pixel_width, Sdevice_pixel_width,
|
|
|
892 0, 1, 0 /*
|
|
|
893 Return the width in pixels of DEVICE, or nil if unknown.
|
|
|
894 */ )
|
|
|
895 (device)
|
|
|
896 Lisp_Object device;
|
|
|
897 {
|
|
|
898 struct device *d = decode_device (device);
|
|
|
899 int retval;
|
|
|
900
|
|
|
901 retval = DEVMETH_OR_GIVEN (d, device_pixel_width, (d), 0);
|
|
|
902 if (retval <= 0)
|
|
|
903 return Qnil;
|
|
|
904
|
|
|
905 return make_int (retval);
|
|
|
906 }
|
|
|
907
|
|
|
908 DEFUN ("device-pixel-height", Fdevice_pixel_height, Sdevice_pixel_height,
|
|
|
909 0, 1, 0 /*
|
|
|
910 Return the height in pixels of DEVICE, or nil if unknown.
|
|
|
911 */ )
|
|
|
912 (device)
|
|
|
913 Lisp_Object device;
|
|
|
914 {
|
|
|
915 struct device *d = decode_device (device);
|
|
|
916 int retval;
|
|
|
917
|
|
|
918 retval = DEVMETH_OR_GIVEN (d, device_pixel_height, (d), 0);
|
|
|
919 if (retval <= 0)
|
|
|
920 return Qnil;
|
|
|
921
|
|
|
922 return make_int (retval);
|
|
|
923 }
|
|
|
924
|
|
|
925 DEFUN ("device-mm-width", Fdevice_mm_width, Sdevice_mm_width,
|
|
|
926 0, 1, 0 /*
|
|
|
927 Return the width in millimeters of DEVICE, or nil if unknown.
|
|
|
928 */ )
|
|
|
929 (device)
|
|
|
930 Lisp_Object device;
|
|
|
931 {
|
|
|
932 struct device *d = decode_device (device);
|
|
|
933 int retval;
|
|
|
934
|
|
|
935 retval = DEVMETH_OR_GIVEN (d, device_mm_width, (d), 0);
|
|
|
936 if (retval <= 0)
|
|
|
937 return Qnil;
|
|
|
938
|
|
|
939 return make_int (retval);
|
|
|
940 }
|
|
|
941
|
|
|
942 DEFUN ("device-mm-height", Fdevice_mm_height, Sdevice_mm_height,
|
|
|
943 0, 1, 0 /*
|
|
|
944 Return the height in millimeters of DEVICE, or nil if unknown.
|
|
|
945 */ )
|
|
|
946 (device)
|
|
|
947 Lisp_Object device;
|
|
|
948 {
|
|
|
949 struct device *d = decode_device (device);
|
|
|
950 int retval;
|
|
|
951
|
|
|
952 retval = DEVMETH_OR_GIVEN (d, device_mm_height, (d), 0);
|
|
|
953 if (retval <= 0)
|
|
|
954 return Qnil;
|
|
|
955
|
|
|
956 return make_int (retval);
|
|
|
957 }
|
|
|
958
|
|
|
959 DEFUN ("device-bitplanes", Fdevice_bitplanes, Sdevice_bitplanes,
|
|
|
960 0, 1, 0 /*
|
|
|
961 Return the number of bitplanes of DEVICE, or nil if unknown.
|
|
|
962 */ )
|
|
|
963 (device)
|
|
|
964 Lisp_Object device;
|
|
|
965 {
|
|
|
966 struct device *d = decode_device (device);
|
|
|
967 int retval;
|
|
|
968
|
|
|
969 retval = DEVMETH_OR_GIVEN (d, device_bitplanes, (d), 0);
|
|
|
970 if (retval <= 0)
|
|
|
971 return Qnil;
|
|
|
972
|
|
|
973 return make_int (retval);
|
|
|
974 }
|
|
|
975
|
|
|
976 DEFUN ("device-color-cells", Fdevice_color_cells, Sdevice_color_cells,
|
|
|
977 0, 1, 0 /*
|
|
|
978 Return the number of color cells of DEVICE, or nil if unknown.
|
|
|
979 */ )
|
|
|
980 (device)
|
|
|
981 Lisp_Object device;
|
|
|
982 {
|
|
|
983 struct device *d = decode_device (device);
|
|
|
984 int retval;
|
|
|
985
|
|
|
986 retval = DEVMETH_OR_GIVEN (d, device_color_cells, (d), 0);
|
|
|
987 if (retval <= 0)
|
|
|
988 return Qnil;
|
|
|
989
|
|
|
990 return make_int (retval);
|
|
|
991 }
|
|
|
992
|
|
|
993 DEFUN ("set-device-baud-rate", Fset_device_baud_rate, Sset_device_baud_rate,
|
|
|
994 2, 2, 0 /*
|
|
|
995 Set the output baud rate of DEVICE to RATE.
|
|
|
996 On most systems, changing this value will affect the amount of padding
|
|
|
997 and other strategic decisions made during redisplay.
|
|
|
998 */ )
|
|
|
999 (device, rate)
|
|
|
1000 Lisp_Object device, rate;
|
|
|
1001 {
|
|
|
1002 CHECK_INT (rate);
|
|
|
1003
|
|
|
1004 DEVICE_BAUD_RATE (decode_device (device)) = XINT (rate);
|
|
|
1005
|
|
|
1006 return rate;
|
|
|
1007 }
|
|
|
1008
|
|
|
1009 DEFUN ("device-baud-rate", Fdevice_baud_rate, Sdevice_baud_rate,
|
|
|
1010 0, 1, 0 /*
|
|
|
1011 Return the output baud rate of DEVICE.
|
|
|
1012 */ )
|
|
|
1013 (device)
|
|
|
1014 Lisp_Object device;
|
|
|
1015 {
|
|
|
1016 return make_int (DEVICE_BAUD_RATE (decode_device (device)));
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 void
|
|
|
1020 handle_asynch_device_change (void)
|
|
|
1021 {
|
|
|
1022 int i;
|
|
|
1023 int old_asynch_device_change_pending = asynch_device_change_pending;
|
|
|
1024 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
1025 {
|
|
|
1026 if (Dynarr_at (the_console_type_entry_dynarr, i).meths->
|
|
|
1027 asynch_device_change_method)
|
|
|
1028 (Dynarr_at (the_console_type_entry_dynarr, i).meths->
|
|
|
1029 asynch_device_change_method) ();
|
|
|
1030 }
|
|
|
1031 /* reset the flag to 0 unless another notification occurred while
|
|
|
1032 we were processing this one. Block SIGWINCH during this
|
|
|
1033 check to prevent a possible race condition. */
|
|
|
1034 EMACS_BLOCK_SIGNAL (SIGWINCH);
|
|
|
1035 if (old_asynch_device_change_pending == asynch_device_change_pending)
|
|
|
1036 asynch_device_change_pending = 0;
|
|
|
1037 EMACS_UNBLOCK_SIGNAL (SIGWINCH);
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 void
|
|
|
1041 call_critical_lisp_code (struct device *d, Lisp_Object function,
|
|
|
1042 Lisp_Object object)
|
|
|
1043 {
|
|
|
1044 int old_gc_currently_forbidden = gc_currently_forbidden;
|
|
|
1045 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
1046
|
|
|
1047 /* There's no reason to bother doing specbinds here, because if
|
|
|
1048 initialize-*-faces signals an error, emacs is going to crash
|
|
|
1049 immediately.
|
|
|
1050 */
|
|
|
1051 gc_currently_forbidden = 1;
|
|
|
1052 Vinhibit_quit = Qt;
|
|
|
1053 LOCK_DEVICE (d);
|
|
|
1054
|
|
|
1055 /* But it's useful to have an error handler; otherwise an infinite
|
|
|
1056 loop may result. */
|
|
|
1057 if (!NILP (object))
|
|
|
1058 call1_with_handler (Qreally_early_error_handler, function, object);
|
|
|
1059 else
|
|
|
1060 call0_with_handler (Qreally_early_error_handler, function);
|
|
|
1061
|
|
|
1062 UNLOCK_DEVICE (d);
|
|
|
1063 Vinhibit_quit = old_inhibit_quit;
|
|
|
1064 gc_currently_forbidden = old_gc_currently_forbidden;
|
|
|
1065 }
|
|
|
1066
|
|
|
1067
|
|
|
1068 /************************************************************************/
|
|
|
1069 /* initialization */
|
|
|
1070 /************************************************************************/
|
|
|
1071
|
|
|
1072 void
|
|
|
1073 syms_of_device (void)
|
|
|
1074 {
|
|
|
1075 defsubr (&Svalid_device_class_p);
|
|
|
1076 defsubr (&Sdevice_class_list);
|
|
|
1077
|
|
|
1078 defsubr (&Sdfw_device);
|
|
|
1079 defsubr (&Sselected_device);
|
|
|
1080 defsubr (&Sselect_device);
|
|
|
1081 defsubr (&Sset_device_selected_frame);
|
|
|
1082 defsubr (&Sdevicep);
|
|
|
1083 defsubr (&Sdevice_live_p);
|
|
|
1084 defsubr (&Sdevice_name);
|
|
|
1085 defsubr (&Sdevice_connection);
|
|
|
1086 defsubr (&Sdevice_console);
|
|
|
1087 defsubr (&Sfind_device);
|
|
|
1088 defsubr (&Sget_device);
|
|
|
1089 defsubr (&Smake_device);
|
|
|
1090 defsubr (&Sdelete_device);
|
|
|
1091 defsubr (&Sdevice_frame_list);
|
|
|
1092 defsubr (&Sdevice_class);
|
|
|
1093 defsubr (&Sset_device_class);
|
|
|
1094 defsubr (&Sdevice_pixel_width);
|
|
|
1095 defsubr (&Sdevice_pixel_height);
|
|
|
1096 defsubr (&Sdevice_mm_width);
|
|
|
1097 defsubr (&Sdevice_mm_height);
|
|
|
1098 defsubr (&Sdevice_bitplanes);
|
|
|
1099 defsubr (&Sdevice_color_cells);
|
|
|
1100 defsubr (&Sset_device_baud_rate);
|
|
|
1101 defsubr (&Sdevice_baud_rate);
|
|
|
1102
|
|
|
1103 defsymbol (&Qdevicep, "devicep");
|
|
|
1104 defsymbol (&Qdevice_live_p, "device-live-p");
|
|
|
1105 defsymbol (&Qdelete_device, "delete-device");
|
|
|
1106
|
|
|
1107 defsymbol (&Qcreate_device_hook, "create-device-hook");
|
|
|
1108 defsymbol (&Qdelete_device_hook, "delete-device-hook");
|
|
|
1109
|
|
|
1110 /* Qcolor defined in general.c */
|
|
|
1111 defsymbol (&Qgrayscale, "grayscale");
|
|
|
1112 defsymbol (&Qmono, "mono");
|
|
|
1113 }
|
|
|
1114
|
|
|
1115 void
|
|
|
1116 vars_of_device (void)
|
|
|
1117 {
|
|
|
1118 DEFVAR_LISP ("create-device-hook", &Vcreate_device_hook /*
|
|
|
1119 Function or functions to call when a device is created.
|
|
|
1120 One argument, the newly-created device.
|
|
|
1121 This is called after the first frame has been created, but before
|
|
|
1122 calling the `create-frame-hook'.
|
|
|
1123 Note that in general the device will not be selected.
|
|
|
1124 */ );
|
|
|
1125 Vcreate_device_hook = Qnil;
|
|
|
1126
|
|
|
1127 DEFVAR_LISP ("delete-device-hook", &Vdelete_device_hook /*
|
|
|
1128 Function or functions to call when a device is deleted.
|
|
|
1129 One argument, the to-be-deleted device.
|
|
|
1130 */ );
|
|
|
1131 Vdelete_device_hook = Qnil;
|
|
|
1132
|
|
|
1133 staticpro (&Vdefault_device);
|
|
|
1134 Vdefault_device = Qnil;
|
|
|
1135
|
|
|
1136 asynch_device_change_pending = 0;
|
|
|
1137
|
|
|
1138 Vdevice_class_list = list3 (Qcolor, Qgrayscale, Qmono);
|
|
|
1139 staticpro (&Vdevice_class_list);
|
|
|
1140 }
|
