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428
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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 "specifier.h"
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41 #include "sysdep.h"
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42 #include "window.h"
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43
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44 #ifdef HAVE_SCROLLBARS
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45 #include "scrollbar.h"
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46 #endif
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47
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48 #include "syssignal.h"
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49
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50 /* Vdefault_device is the firstly-created non-stream device that's still
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51 around. We don't really use it anywhere currently, but it might
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52 be used for resourcing at some point. (Currently we use
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53 Vdefault_x_device.) */
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54 Lisp_Object Vdefault_device;
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55
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56 Lisp_Object Vcreate_device_hook, Vdelete_device_hook;
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57
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58 /* Device classes */
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59 /* Qcolor defined in general.c */
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60 Lisp_Object Qgrayscale, Qmono;
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61
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62 /* Device metrics symbols */
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63 Lisp_Object
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64 Qcolor_default, Qcolor_select, Qcolor_balloon, Qcolor_3d_face,
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65 Qcolor_3d_light, Qcolor_3d_dark, Qcolor_menu, Qcolor_menu_highlight,
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66 Qcolor_menu_button, Qcolor_menu_disabled, Qcolor_toolbar,
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67 Qcolor_scrollbar, Qcolor_desktop, Qcolor_workspace, Qfont_default,
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68 Qfont_menubar, Qfont_dialog, Qsize_cursor, Qsize_scrollbar,
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69 Qsize_menu, Qsize_toolbar, Qsize_toolbar_button,
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70 Qsize_toolbar_border, Qsize_icon, Qsize_icon_small, Qsize_device,
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71 Qsize_workspace, Qsize_device_mm, Qdevice_dpi, Qnum_bit_planes,
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72 Qnum_color_cells, Qmouse_buttons, Qswap_buttons, Qshow_sounds,
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73 Qslow_device, Qsecurity;
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74
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75 Lisp_Object Qdevicep, Qdevice_live_p;
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76 Lisp_Object Qcreate_device_hook;
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77 Lisp_Object Qdelete_device_hook;
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78 Lisp_Object Vdevice_class_list;
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79
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80
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81 static Lisp_Object
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82 mark_device (Lisp_Object obj)
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83 {
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84 struct device *d = XDEVICE (obj);
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85
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86 mark_object (d->name);
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87 mark_object (d->connection);
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88 mark_object (d->canon_connection);
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89 mark_object (d->console);
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90 mark_object (d->selected_frame);
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91 mark_object (d->frame_with_focus_real);
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92 mark_object (d->frame_with_focus_for_hooks);
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93 mark_object (d->frame_that_ought_to_have_focus);
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94 mark_object (d->device_class);
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95 mark_object (d->user_defined_tags);
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96 mark_object (d->pixel_to_glyph_cache.obj1);
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97 mark_object (d->pixel_to_glyph_cache.obj2);
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98
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99 mark_object (d->color_instance_cache);
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100 mark_object (d->font_instance_cache);
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101 #ifdef MULE
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102 mark_object (d->charset_font_cache);
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103 #endif
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104 mark_object (d->image_instance_cache);
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105
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106 if (d->devmeths)
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107 {
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108 mark_object (d->devmeths->symbol);
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109 MAYBE_DEVMETH (d, mark_device, (d));
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110 }
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111
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112 return (d->frame_list);
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113 }
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114
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115 static void
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116 print_device (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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117 {
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118 struct device *d = XDEVICE (obj);
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119 char buf[256];
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120
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121 if (print_readably)
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122 error ("printing unreadable object #<device %s 0x%x>",
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123 XSTRING_DATA (d->name), d->header.uid);
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124
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125 sprintf (buf, "#<%s-device", !DEVICE_LIVE_P (d) ? "dead" :
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126 DEVICE_TYPE_NAME (d));
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127 write_c_string (buf, printcharfun);
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128 if (DEVICE_LIVE_P (d))
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129 {
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130 write_c_string (" on ", printcharfun);
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131 print_internal (DEVICE_CONNECTION (d), printcharfun, 1);
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132 }
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133 sprintf (buf, " 0x%x>", d->header.uid);
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134 write_c_string (buf, printcharfun);
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135 }
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136
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137 DEFINE_LRECORD_IMPLEMENTATION ("device", device,
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138 mark_device, print_device, 0, 0, 0, 0,
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139 struct device);
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140
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141 int
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142 valid_device_class_p (Lisp_Object class)
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143 {
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144 return !NILP (memq_no_quit (class, Vdevice_class_list));
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145 }
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146
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147 DEFUN ("valid-device-class-p", Fvalid_device_class_p, 1, 1, 0, /*
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148 Given a DEVICE-CLASS, return t if it is valid.
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149 Valid classes are 'color, 'grayscale, and 'mono.
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150 */
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151 (device_class))
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152 {
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153 return valid_device_class_p (device_class) ? Qt : Qnil;
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154 }
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155
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156 DEFUN ("device-class-list", Fdevice_class_list, 0, 0, 0, /*
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157 Return a list of valid device classes.
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158 */
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159 ())
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160 {
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161 return Fcopy_sequence (Vdevice_class_list);
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162 }
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163
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164 static struct device *
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165 allocate_device (Lisp_Object console)
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166 {
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167 Lisp_Object device;
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168 struct device *d = alloc_lcrecord_type (struct device, &lrecord_device);
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169 struct gcpro gcpro1;
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170
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171 zero_lcrecord (d);
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172
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173 XSETDEVICE (device, d);
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174 GCPRO1 (device);
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175
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176 d->name = Qnil;
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177 d->console = console;
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178 d->connection = Qnil;
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179 d->canon_connection = Qnil;
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180 d->frame_list = Qnil;
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181 d->selected_frame = Qnil;
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182 d->frame_with_focus_real = Qnil;
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183 d->frame_with_focus_for_hooks = Qnil;
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184 d->frame_that_ought_to_have_focus = Qnil;
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185 d->device_class = Qnil;
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186 d->user_defined_tags = Qnil;
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187 d->pixel_to_glyph_cache.obj1 = Qnil;
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188 d->pixel_to_glyph_cache.obj2 = Qnil;
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189
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190 d->infd = d->outfd = -1;
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191
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192 /* #### is 20 reasonable? */
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193 d->color_instance_cache =
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194 make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, HASH_TABLE_EQUAL);
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195 d->font_instance_cache =
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196 make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, HASH_TABLE_EQUAL);
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197 #ifdef MULE
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198 /* Note that the following table is bi-level. */
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199 d->charset_font_cache =
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200 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ);
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201 #endif
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202 /*
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203 Note that the image instance cache is actually bi-level.
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204 See device.h. We use a low number here because most of the
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205 time there aren't very many different masks that will be used.
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206 */
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207 d->image_instance_cache =
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208 make_lisp_hash_table (5, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ);
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209
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210 UNGCPRO;
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211 return d;
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212 }
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213
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214 struct device *
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215 decode_device (Lisp_Object device)
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216 {
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217 if (NILP (device))
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218 device = Fselected_device (Qnil);
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219 /* quietly accept frames for the device arg */
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220 else if (FRAMEP (device))
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221 device = FRAME_DEVICE (decode_frame (device));
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222 CHECK_LIVE_DEVICE (device);
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223 return XDEVICE (device);
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224 }
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225
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226 DEFUN ("dfw-device", Fdfw_device, 1, 1, 0, /*
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227 Given a device, frame, or window, return the associated device.
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228 Return nil otherwise.
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229 */
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230 (obj))
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231 {
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232 return DFW_DEVICE (obj);
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233 }
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234
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235
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236 DEFUN ("selected-device", Fselected_device, 0, 1, 0, /*
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237 Return the device which is currently active.
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238 If optional CONSOLE is non-nil, return the device that would be currently
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239 active if CONSOLE were the selected console.
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240 */
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241 (console))
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242 {
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243 if (NILP (console) && NILP (Vselected_console))
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244 return Qnil; /* happens early in temacs */
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245 return CONSOLE_SELECTED_DEVICE (decode_console (console));
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246 }
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247
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248 /* Called from selected_frame_1(), called from Fselect_window() */
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249 void
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250 select_device_1 (Lisp_Object device)
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251 {
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252 struct device *dev = XDEVICE (device);
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253 Lisp_Object old_selected_device = Fselected_device (Qnil);
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254
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255 if (EQ (device, old_selected_device))
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256 return;
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257
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258 /* now select the device's console */
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259 CONSOLE_SELECTED_DEVICE (XCONSOLE (DEVICE_CONSOLE (dev))) = device;
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260 select_console_1 (DEVICE_CONSOLE (dev));
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261 }
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262
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263 DEFUN ("select-device", Fselect_device, 1, 1, 0, /*
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264 Select the device DEVICE.
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265 Subsequent editing commands apply to its console, selected frame,
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266 and selected window.
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267 The selection of DEVICE lasts until the next time the user does
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268 something to select a different device, or until the next time this
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269 function is called.
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270 */
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271 (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 Qnil);
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281 else
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282 error ("Can't select a device with no frames");
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283 return Qnil;
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284 }
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285
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286 void
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287 set_device_selected_frame (struct device *d, Lisp_Object frame)
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288 {
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289 if (!NILP (frame) && !FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
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290 set_console_last_nonminibuf_frame (XCONSOLE (DEVICE_CONSOLE (d)), frame);
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291 d->selected_frame = frame;
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292 }
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293
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294 DEFUN ("set-device-selected-frame", Fset_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 {
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301 XSETDEVICE (device, decode_device (device));
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302 CHECK_LIVE_FRAME (frame);
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303
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304 if (! EQ (device, FRAME_DEVICE (XFRAME (frame))))
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305 error ("In `set-device-selected-frame', FRAME is not on DEVICE");
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306
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307 if (EQ (device, Fselected_device (Qnil)))
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308 return Fselect_frame (frame);
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309
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310 set_device_selected_frame (XDEVICE (device), frame);
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311 return frame;
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312 }
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313
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314 DEFUN ("devicep", Fdevicep, 1, 1, 0, /*
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315 Return non-nil if OBJECT is a device.
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316 */
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317 (object))
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318 {
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319 return DEVICEP (object) ? Qt : Qnil;
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320 }
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321
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322 DEFUN ("device-live-p", Fdevice_live_p, 1, 1, 0, /*
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323 Return non-nil if OBJECT is a device that has not been deleted.
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324 */
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325 (object))
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326 {
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327 return DEVICEP (object) && DEVICE_LIVE_P (XDEVICE (object)) ? Qt : Qnil;
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328 }
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329
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330 DEFUN ("device-name", Fdevice_name, 0, 1, 0, /*
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331 Return the name of the specified device.
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332 DEVICE defaults to the selected device if omitted.
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333 */
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334 (device))
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335 {
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336 return DEVICE_NAME (decode_device (device));
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337 }
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338
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339 DEFUN ("device-connection", Fdevice_connection, 0, 1, 0, /*
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340 Return the connection of the specified device.
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341 DEVICE defaults to the selected device if omitted.
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342 */
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343 (device))
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344 {
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345 return DEVICE_CONNECTION (decode_device (device));
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346 }
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347
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348 DEFUN ("device-console", Fdevice_console, 0, 1, 0, /*
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349 Return the console of the specified device.
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350 DEVICE defaults to the selected device if omitted.
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351 */
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352 (device))
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353 {
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354 return DEVICE_CONSOLE (decode_device (device));
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355 }
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356
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357 #ifdef HAVE_WINDOW_SYSTEM
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358
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359 static void
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360 init_global_resources (struct device *d)
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361 {
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362 init_global_faces (d);
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363 #ifdef HAVE_SCROLLBARS
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364 init_global_scrollbars (d);
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365 #endif
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366 #ifdef HAVE_TOOLBARS
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367 init_global_toolbars (d);
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368 #endif
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369 }
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370
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371 #endif
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372
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373 static void
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374 init_device_resources (struct device *d)
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375 {
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376 init_device_faces (d);
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377 #ifdef HAVE_SCROLLBARS
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378 init_device_scrollbars (d);
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379 #endif
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380 #ifdef HAVE_TOOLBARS
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381 init_device_toolbars (d);
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382 #endif
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383 }
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384
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385 static Lisp_Object
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386 semi_canonicalize_device_connection (struct console_methods *meths,
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387 Lisp_Object name, Error_behavior errb)
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388 {
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389 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_device_connection,
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390 (name, errb), name);
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391 }
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392
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393 static Lisp_Object
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394 canonicalize_device_connection (struct console_methods *meths,
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395 Lisp_Object name, Error_behavior errb)
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396 {
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397 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_device_connection,
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398 (name, errb), name);
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399 }
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400
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401 static Lisp_Object
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402 find_device_of_type (struct console_methods *meths, Lisp_Object canon)
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403 {
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404 Lisp_Object devcons, concons;
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405
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406 DEVICE_LOOP_NO_BREAK (devcons, concons)
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407 {
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408 Lisp_Object device = XCAR (devcons);
|
|
|
409
|
|
|
410 if (EQ (CONMETH_TYPE (meths), DEVICE_TYPE (XDEVICE (device)))
|
|
|
411 && internal_equal (DEVICE_CANON_CONNECTION (XDEVICE (device)),
|
|
|
412 canon, 0))
|
|
|
413 return device;
|
|
|
414 }
|
|
|
415
|
|
|
416 return Qnil;
|
|
|
417 }
|
|
|
418
|
|
|
419 DEFUN ("find-device", Ffind_device, 1, 2, 0, /*
|
|
|
420 Look for an existing device attached to connection CONNECTION.
|
|
|
421 Return the device if found; otherwise, return nil.
|
|
|
422
|
|
|
423 If TYPE is specified, only return devices of that type; otherwise,
|
|
|
424 return devices of any type. (It is possible, although unlikely,
|
|
|
425 that two devices of different types could have the same connection
|
|
|
426 name; in such a case, the first device found is returned.)
|
|
|
427 */
|
|
|
428 (connection, type))
|
|
|
429 {
|
|
|
430 Lisp_Object canon = Qnil;
|
|
|
431 struct gcpro gcpro1;
|
|
|
432
|
|
|
433 GCPRO1 (canon);
|
|
|
434
|
|
|
435 if (!NILP (type))
|
|
|
436 {
|
|
|
437 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
|
|
|
438 canon = canonicalize_device_connection (conmeths, connection,
|
|
|
439 ERROR_ME_NOT);
|
|
|
440 if (UNBOUNDP (canon))
|
|
|
441 RETURN_UNGCPRO (Qnil);
|
|
|
442
|
|
|
443 RETURN_UNGCPRO (find_device_of_type (conmeths, canon));
|
|
|
444 }
|
|
|
445 else
|
|
|
446 {
|
|
|
447 int i;
|
|
|
448
|
|
|
449 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
450 {
|
|
|
451 struct console_methods *conmeths =
|
|
|
452 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
|
453 canon = canonicalize_device_connection (conmeths, connection,
|
|
|
454 ERROR_ME_NOT);
|
|
|
455 if (!UNBOUNDP (canon))
|
|
|
456 {
|
|
|
457 Lisp_Object device = find_device_of_type (conmeths, canon);
|
|
|
458 if (!NILP (device))
|
|
|
459 RETURN_UNGCPRO (device);
|
|
|
460 }
|
|
|
461 }
|
|
|
462
|
|
|
463 RETURN_UNGCPRO (Qnil);
|
|
|
464 }
|
|
|
465 }
|
|
|
466
|
|
|
467 DEFUN ("get-device", Fget_device, 1, 2, 0, /*
|
|
|
468 Look for an existing device attached to connection CONNECTION.
|
|
|
469 Return the device if found; otherwise, signal an error.
|
|
|
470
|
|
|
471 If TYPE is specified, only return devices of that type; otherwise,
|
|
|
472 return devices of any type. (It is possible, although unlikely,
|
|
|
473 that two devices of different types could have the same connection
|
|
|
474 name; in such a case, the first device found is returned.)
|
|
|
475 */
|
|
|
476 (connection, type))
|
|
|
477 {
|
|
|
478 Lisp_Object device = Ffind_device (connection, type);
|
|
|
479 if (NILP (device))
|
|
|
480 {
|
|
|
481 if (NILP (type))
|
|
|
482 signal_simple_error ("No such device", connection);
|
|
|
483 else
|
|
|
484 signal_simple_error_2 ("No such device", type, connection);
|
|
|
485 }
|
|
|
486 return device;
|
|
|
487 }
|
|
|
488
|
|
|
489 static Lisp_Object
|
|
|
490 delete_deviceless_console (Lisp_Object console)
|
|
|
491 {
|
|
|
492 if (NILP (XCONSOLE (console)->device_list))
|
|
|
493 Fdelete_console (console, Qnil);
|
|
|
494 return Qnil;
|
|
|
495 }
|
|
|
496
|
|
|
497 DEFUN ("make-device", Fmake_device, 2, 3, 0, /*
|
|
|
498 Return a new device of type TYPE, attached to connection CONNECTION.
|
|
|
499
|
|
|
500 The valid values for CONNECTION are device-specific; however,
|
|
|
501 CONNECTION is generally a string. (Specifically, for X devices,
|
|
|
502 CONNECTION should be a display specification such as "foo:0", and
|
|
|
503 for TTY devices, CONNECTION should be the filename of a TTY device
|
|
|
504 file, such as "/dev/ttyp4", or nil to refer to XEmacs' standard
|
|
|
505 input/output.)
|
|
|
506
|
|
|
507 PROPS, if specified, should be a plist of properties controlling
|
|
|
508 device creation.
|
|
|
509
|
|
|
510 If CONNECTION specifies an already-existing device connection, that
|
|
|
511 device is simply returned; no new device is created, and PROPS
|
|
|
512 have no effect.
|
|
|
513 */
|
|
|
514 (type, connection, props))
|
|
|
515 {
|
|
|
516 /* This function can GC */
|
|
|
517 struct device *d;
|
|
|
518 struct console *con;
|
|
|
519 Lisp_Object device = Qnil;
|
|
|
520 Lisp_Object console = Qnil;
|
|
|
521 Lisp_Object name = Qnil;
|
|
|
522 struct console_methods *conmeths;
|
|
|
523 int speccount = specpdl_depth();
|
|
|
524
|
|
|
525 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
526 #ifdef HAVE_X_WINDOWS
|
|
|
527 /* #### icky-poo. If this is the first X device we are creating,
|
|
|
528 then retrieve the global face resources. We have to do it
|
|
|
529 here, at the same time as (or just before) the device face
|
|
|
530 resources are retrieved; specifically, it needs to be done
|
|
|
531 after the device has been created but before any frames have
|
|
|
532 been popped up or much anything else has been done. It's
|
|
|
533 possible for other devices to specify different global
|
|
|
534 resources (there's a property on each X server's root window
|
|
|
535 that holds some resources); tough luck for the moment.
|
|
|
536
|
|
|
537 This is a nasty violation of device independence, but
|
|
|
538 there's not a whole lot I can figure out to do about it.
|
|
|
539 The real problem is that the concept of resources is not
|
|
|
540 generalized away from X. Similar resource-related
|
|
|
541 device-independence violations occur in faces.el. */
|
|
|
542 int first_x_device = NILP (Vdefault_x_device) && EQ (type, Qx);
|
|
|
543 #endif
|
|
|
544
|
|
|
545 GCPRO3 (device, console, name);
|
|
|
546
|
|
|
547 conmeths = decode_console_type (type, ERROR_ME_NOT);
|
|
|
548 if (!conmeths)
|
|
|
549 signal_simple_error ("Invalid device type", type);
|
|
|
550
|
|
|
551 device = Ffind_device (connection, type);
|
|
|
552 if (!NILP (device))
|
|
|
553 RETURN_UNGCPRO (device);
|
|
|
554
|
|
|
555 name = Fplist_get (props, Qname, Qnil);
|
|
|
556
|
|
|
557 {
|
|
|
558 Lisp_Object conconnect =
|
|
|
559 (HAS_CONTYPE_METH_P (conmeths, device_to_console_connection)) ?
|
|
|
560 CONTYPE_METH (conmeths, device_to_console_connection,
|
|
|
561 (connection, ERROR_ME)) :
|
|
|
562 connection;
|
|
|
563 console = create_console (name, type, conconnect, props);
|
|
|
564 }
|
|
|
565
|
|
|
566 record_unwind_protect(delete_deviceless_console, console);
|
|
|
567
|
|
|
568 con = XCONSOLE (console);
|
|
|
569 d = allocate_device (console);
|
|
|
570 XSETDEVICE (device, d);
|
|
|
571
|
|
|
572 d->devmeths = con->conmeths;
|
|
|
573
|
|
|
574 DEVICE_NAME (d) = name;
|
|
|
575 DEVICE_CONNECTION (d) =
|
|
|
576 semi_canonicalize_device_connection (conmeths, connection, ERROR_ME);
|
|
|
577 DEVICE_CANON_CONNECTION (d) =
|
|
|
578 canonicalize_device_connection (conmeths, connection, ERROR_ME);
|
|
|
579
|
|
|
580 MAYBE_DEVMETH (d, init_device, (d, props));
|
|
|
581
|
|
|
582 /* Do it this way so that the device list is in order of creation */
|
|
|
583 con->device_list = nconc2 (con->device_list, Fcons (device, Qnil));
|
|
|
584 RESET_CHANGED_SET_FLAGS;
|
|
|
585 if (NILP (Vdefault_device) || DEVICE_STREAM_P (XDEVICE (Vdefault_device)))
|
|
|
586 Vdefault_device = device;
|
|
|
587
|
|
|
588 init_device_sound (d);
|
|
|
589 #ifdef HAVE_X_WINDOWS
|
|
|
590 if (first_x_device)
|
|
|
591 init_global_resources (d);
|
|
|
592 #endif
|
|
|
593 init_device_resources (d);
|
|
|
594
|
|
|
595 MAYBE_DEVMETH (d, finish_init_device, (d, props));
|
|
|
596
|
|
|
597 /* If this is the first device on the console, make it the selected one. */
|
|
|
598 if (NILP (CONSOLE_SELECTED_DEVICE (con)))
|
|
|
599 CONSOLE_SELECTED_DEVICE (con) = device;
|
|
|
600
|
|
|
601 /* #### the following should trap errors. */
|
|
|
602 setup_device_initial_specifier_tags (d);
|
|
|
603
|
|
|
604 UNGCPRO;
|
|
|
605 unbind_to(speccount, Qnil);
|
|
|
606 return device;
|
|
|
607 }
|
|
|
608
|
|
|
609 /* find a device other than the selected one. Prefer non-stream
|
|
|
610 devices over stream devices. Maybe stay on the same console. */
|
|
|
611
|
|
|
612 static Lisp_Object
|
|
|
613 find_other_device (Lisp_Object device, int on_same_console)
|
|
|
614 {
|
|
|
615 Lisp_Object devcons = Qnil, concons;
|
|
|
616 Lisp_Object console = DEVICE_CONSOLE (XDEVICE (device));
|
|
|
617
|
|
|
618 /* look for a non-stream device */
|
|
|
619 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
620 {
|
|
|
621 Lisp_Object dev = XCAR (devcons);
|
|
|
622 if (on_same_console && !EQ (console, DEVICE_CONSOLE (XDEVICE (dev))))
|
|
|
623 continue;
|
|
|
624 if (!DEVICE_STREAM_P (XDEVICE (dev)) && !EQ (dev, device) &&
|
|
|
625 !NILP (DEVICE_SELECTED_FRAME (XDEVICE (dev))))
|
|
|
626 goto double_break_1;
|
|
|
627 }
|
|
|
628
|
|
|
629 double_break_1:
|
|
|
630 if (!NILP (devcons))
|
|
|
631 return XCAR (devcons);
|
|
|
632
|
|
|
633 /* OK, now look for a stream device */
|
|
|
634 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
635 {
|
|
|
636 Lisp_Object dev = XCAR (devcons);
|
|
|
637 if (on_same_console && !EQ (console, DEVICE_CONSOLE (XDEVICE (dev))))
|
|
|
638 continue;
|
|
|
639 if (!EQ (dev, device) && !NILP (DEVICE_SELECTED_FRAME (XDEVICE (dev))))
|
|
|
640 goto double_break_2;
|
|
|
641 }
|
|
|
642 double_break_2:
|
|
|
643 if (!NILP (devcons))
|
|
|
644 return XCAR (devcons);
|
|
|
645
|
|
|
646 /* Sorry, there ain't none */
|
|
|
647 return Qnil;
|
|
|
648 }
|
|
|
649
|
|
|
650 static int
|
|
|
651 find_nonminibuffer_frame_not_on_device_predicate (Lisp_Object frame,
|
|
|
652 void *closure)
|
|
|
653 {
|
|
|
654 Lisp_Object device;
|
|
|
655
|
|
|
656 VOID_TO_LISP (device, closure);
|
|
|
657 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
|
658 return 0;
|
|
|
659 if (EQ (device, FRAME_DEVICE (XFRAME (frame))))
|
|
|
660 return 0;
|
|
|
661 return 1;
|
|
|
662 }
|
|
|
663
|
|
|
664 Lisp_Object
|
|
|
665 find_nonminibuffer_frame_not_on_device (Lisp_Object device)
|
|
|
666 {
|
|
|
667 return find_some_frame (find_nonminibuffer_frame_not_on_device_predicate,
|
|
|
668 LISP_TO_VOID (device));
|
|
|
669 }
|
|
|
670
|
|
|
671
|
|
|
672 /* Delete device D.
|
|
|
673
|
|
|
674 If FORCE is non-zero, allow deletion of the only frame.
|
|
|
675
|
|
|
676 If CALLED_FROM_DELETE_CONSOLE is non-zero, then, if
|
|
|
677 deleting the last device on a console, just delete it,
|
|
|
678 instead of calling `delete-console'.
|
|
|
679
|
|
|
680 If FROM_IO_ERROR is non-zero, then the device is gone due
|
|
|
681 to an I/O error. This affects what happens if we exit
|
|
|
682 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
|
683 */
|
|
|
684
|
|
|
685 void
|
|
|
686 delete_device_internal (struct device *d, int force,
|
|
|
687 int called_from_delete_console,
|
|
|
688 int from_io_error)
|
|
|
689 {
|
|
|
690 /* This function can GC */
|
|
|
691 struct console *c;
|
|
|
692 Lisp_Object device;
|
|
|
693 struct gcpro gcpro1;
|
|
|
694
|
|
|
695 /* OK to delete an already-deleted device. */
|
|
|
696 if (!DEVICE_LIVE_P (d))
|
|
|
697 return;
|
|
|
698
|
|
|
699 XSETDEVICE (device, d);
|
|
|
700 GCPRO1 (device);
|
|
|
701
|
|
|
702 c = XCONSOLE (DEVICE_CONSOLE (d));
|
|
|
703
|
|
|
704 if (!called_from_delete_console)
|
|
|
705 {
|
|
|
706 int delete_console = 0;
|
|
|
707 /* If we're deleting the only device on the console,
|
|
|
708 delete the console. */
|
|
|
709 if ((XINT (Flength (CONSOLE_DEVICE_LIST (c))) == 1)
|
|
|
710 /* if we just created the device, it might not be listed,
|
|
|
711 or something ... */
|
|
|
712 && !NILP (memq_no_quit (device, CONSOLE_DEVICE_LIST (c))))
|
|
|
713 delete_console = 1;
|
|
|
714 /* Or if there aren't any nonminibuffer frames that would be
|
|
|
715 left, delete the console (this will make XEmacs exit). */
|
|
|
716 else if (NILP (find_nonminibuffer_frame_not_on_device (device)))
|
|
|
717 delete_console = 1;
|
|
|
718
|
|
|
719 if (delete_console)
|
|
|
720 {
|
|
|
721 delete_console_internal (c, force, 0, from_io_error);
|
|
|
722 UNGCPRO;
|
|
|
723 return;
|
|
|
724 }
|
|
|
725 }
|
|
|
726
|
|
|
727 reset_one_device (d);
|
|
|
728
|
|
|
729 {
|
|
|
730 Lisp_Object frmcons;
|
|
|
731
|
|
|
732 /* First delete all frames without their own minibuffers,
|
|
|
733 to avoid errors coming from attempting to delete a frame
|
|
|
734 that is a surrogate for another frame. */
|
|
|
735 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
736 {
|
|
|
737 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
738 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
739 so be defensive. */
|
|
|
740 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
|
741 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
742
|
|
|
743 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
|
744 go ahead and delete anything */
|
|
|
745 {
|
|
|
746 UNGCPRO;
|
|
|
747 return;
|
|
|
748 }
|
|
|
749 }
|
|
|
750
|
|
|
751 /* #### This should probably be a device method but it is time for
|
|
|
752 19.14 to go out the door. */
|
|
|
753 #ifdef HAVE_X_WINDOWS
|
|
|
754 /* Next delete all frames which have the popup property to avoid
|
|
|
755 deleting a child after its parent. */
|
|
|
756 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
757 {
|
|
|
758 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
759
|
|
|
760 if (FRAME_LIVE_P (f))
|
|
|
761 {
|
|
|
762 Lisp_Object popup = Fframe_property (XCAR (frmcons), Qpopup, Qnil);
|
|
|
763 if (!NILP (popup))
|
|
|
764 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
765
|
|
|
766 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
|
767 go ahead and delete anything */
|
|
|
768 {
|
|
|
769 UNGCPRO;
|
|
|
770 return;
|
|
|
771 }
|
|
|
772 }
|
|
|
773 }
|
|
|
774 #endif /* HAVE_X_WINDOWS */
|
|
|
775
|
|
|
776 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
777 {
|
|
|
778 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
779 /* delete_frame_internal() might do anything such as run hooks,
|
|
|
780 so be defensive. */
|
|
|
781 if (FRAME_LIVE_P (f))
|
|
|
782 delete_frame_internal (f, 1, 1, from_io_error);
|
|
|
783
|
|
|
784 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
|
785 go ahead and delete anything */
|
|
|
786 {
|
|
|
787 UNGCPRO;
|
|
|
788 return;
|
|
|
789 }
|
|
|
790 }
|
|
|
791 }
|
|
|
792
|
|
|
793 set_device_selected_frame (d, Qnil);
|
|
|
794
|
|
|
795 /* try to select another device */
|
|
|
796
|
|
|
797 if (EQ (device, Fselected_device (DEVICE_CONSOLE (d))))
|
|
|
798 {
|
|
|
799 Lisp_Object other_dev = find_other_device (device, 1);
|
|
|
800 if (!NILP (other_dev))
|
|
|
801 Fselect_device (other_dev);
|
|
|
802 }
|
|
|
803
|
|
|
804 if (EQ (device, Vdefault_device))
|
|
|
805 Vdefault_device = find_other_device (device, 0);
|
|
|
806
|
|
|
807 MAYBE_DEVMETH (d, delete_device, (d));
|
|
|
808
|
|
|
809 CONSOLE_DEVICE_LIST (c) = delq_no_quit (device, CONSOLE_DEVICE_LIST (c));
|
|
|
810 RESET_CHANGED_SET_FLAGS;
|
|
|
811 d->devmeths = dead_console_methods;
|
|
|
812 UNGCPRO;
|
|
|
813 }
|
|
|
814
|
|
|
815 /* delete a device as a result of an I/O error. Called from
|
|
|
816 an enqueued magic-eval event. */
|
|
|
817
|
|
|
818 void
|
|
|
819 io_error_delete_device (Lisp_Object device)
|
|
|
820 {
|
|
|
821 /* Note: it's the console that should get deleted, but
|
|
|
822 delete_device_internal() contains a hack that also deletes the
|
|
|
823 console when called from this function. */
|
|
|
824 delete_device_internal (XDEVICE (device), 1, 0, 1);
|
|
|
825 }
|
|
|
826
|
|
|
827 DEFUN ("delete-device", Fdelete_device, 1, 2, 0, /*
|
|
|
828 Delete DEVICE, permanently eliminating it from use.
|
|
|
829 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
830 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
831 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
832 will automatically call `save-buffers-kill-emacs'.)
|
|
|
833 */
|
|
|
834 (device, force))
|
|
|
835 {
|
|
|
836 CHECK_DEVICE (device);
|
|
|
837 delete_device_internal (XDEVICE (device), !NILP (force), 0, 0);
|
|
|
838 return Qnil;
|
|
|
839 }
|
|
|
840
|
|
|
841 DEFUN ("device-frame-list", Fdevice_frame_list, 0, 1, 0, /*
|
|
|
842 Return a list of all frames on DEVICE.
|
|
|
843 If DEVICE is nil, the selected device will be used.
|
|
|
844 */
|
|
|
845 (device))
|
|
|
846 {
|
|
|
847 return Fcopy_sequence (DEVICE_FRAME_LIST (decode_device (device)));
|
|
|
848 }
|
|
|
849
|
|
|
850 DEFUN ("device-class", Fdevice_class, 0, 1, 0, /*
|
|
|
851 Return the class (color behavior) of DEVICE.
|
|
|
852 This will be one of 'color, 'grayscale, or 'mono.
|
|
|
853 */
|
|
|
854 (device))
|
|
|
855 {
|
|
|
856 return DEVICE_CLASS (decode_device (device));
|
|
|
857 }
|
|
|
858
|
|
|
859 DEFUN ("set-device-class", Fset_device_class, 2, 2, 0, /*
|
|
|
860 Set the class (color behavior) of DEVICE.
|
|
|
861 CLASS should be one of 'color, 'grayscale, or 'mono.
|
|
|
862 This is only allowed on device such as TTY devices, where the color
|
|
|
863 behavior cannot necessarily be determined automatically.
|
|
|
864 */
|
|
|
865 (device, class))
|
|
|
866 {
|
|
|
867 struct device *d = decode_device (device);
|
|
|
868 XSETDEVICE (device, d);
|
|
|
869 if (!DEVICE_TTY_P (d))
|
|
|
870 signal_simple_error ("Cannot change the class of this device", device);
|
|
|
871 if (!EQ (class, Qcolor) && !EQ (class, Qmono) && !EQ (class, Qgrayscale))
|
|
|
872 signal_simple_error ("Must be color, mono, or grayscale", class);
|
|
|
873 if (! EQ (DEVICE_CLASS (d), class))
|
|
|
874 {
|
|
|
875 Lisp_Object frmcons;
|
|
|
876 DEVICE_CLASS (d) = class;
|
|
|
877 DEVICE_FRAME_LOOP (frmcons, d)
|
|
|
878 {
|
|
|
879 struct frame *f = XFRAME (XCAR (frmcons));
|
|
|
880
|
|
|
881 recompute_all_cached_specifiers_in_frame (f);
|
|
|
882 MARK_FRAME_FACES_CHANGED (f);
|
|
|
883 MARK_FRAME_GLYPHS_CHANGED (f);
|
|
|
884 MARK_FRAME_SUBWINDOWS_CHANGED (f);
|
|
|
885 MARK_FRAME_TOOLBARS_CHANGED (f);
|
|
|
886 f->menubar_changed = 1;
|
|
|
887 }
|
|
|
888 }
|
|
|
889 return Qnil;
|
|
|
890 }
|
|
|
891
|
|
|
892 DEFUN ("set-device-baud-rate", Fset_device_baud_rate, 2, 2, 0, /*
|
|
|
893 Set the output baud rate of DEVICE to RATE.
|
|
|
894 On most systems, changing this value will affect the amount of padding
|
|
|
895 and other strategic decisions made during redisplay.
|
|
|
896 */
|
|
|
897 (device, rate))
|
|
|
898 {
|
|
|
899 CHECK_INT (rate);
|
|
|
900
|
|
|
901 DEVICE_BAUD_RATE (decode_device (device)) = XINT (rate);
|
|
|
902
|
|
|
903 return rate;
|
|
|
904 }
|
|
|
905
|
|
|
906 DEFUN ("device-baud-rate", Fdevice_baud_rate, 0, 1, 0, /*
|
|
|
907 Return the output baud rate of DEVICE.
|
|
|
908 */
|
|
|
909 (device))
|
|
|
910 {
|
|
|
911 return make_int (DEVICE_BAUD_RATE (decode_device (device)));
|
|
|
912 }
|
|
|
913
|
|
|
914 DEFUN ("device-system-metric", Fdevice_system_metric, 1, 3, 0, /*
|
|
|
915 Get a metric for DEVICE as provided by the system.
|
|
|
916
|
|
|
917 METRIC must be a symbol specifying requested metric. Note that the metrics
|
|
|
918 returned are these provided by the system internally, not read from resources,
|
|
|
919 so obtained from the most internal level.
|
|
|
920
|
|
|
921 If a metric is not provided by the system, then DEFAULT is returned.
|
|
|
922
|
|
|
923 When DEVICE is nil, selected device is assumed
|
|
|
924
|
|
|
925 Metrics, by group, are:
|
|
|
926
|
|
|
927 COLORS. Colors are returned as valid color instantiators. No other assumption
|
|
|
928 on the returned value should be made (i.e. it can be a string on one system but
|
|
|
929 a color instance on another). For colors, returned value is a cons of
|
|
|
930 foreground and background colors. Note that if the system provides only one
|
|
|
931 color of the pair, the second one may be nil.
|
|
|
932
|
|
|
933 color-default Standard window text foreground and background.
|
|
|
934 color-select Selection highlight text and background colors.
|
|
|
935 color-balloon Balloon popup text and background colors.
|
|
|
936 color-3d-face 3-D object (button, modeline) text and surface colors.
|
|
|
937 color-3d-light Fore and back colors for 3-D edges facing light source.
|
|
|
938 color-3d-dark Fore and back colors for 3-D edges facing away from
|
|
|
939 light source.
|
|
|
940 color-menu Text and background for menus
|
|
|
941 color-menu-highlight Selected menu item colors
|
|
|
942 color-menu-button Menu button colors
|
|
|
943 color-menu-disabled Unselectable menu item colors
|
|
|
944 color-toolbar Toolbar foreground and background colors
|
|
|
945 color-scrollbar Scrollbar foreground and background colors
|
|
|
946 color-desktop Desktop window colors
|
|
|
947 color-workspace Workspace window colors
|
|
|
948
|
|
|
949 FONTS. Fonts are returned as valid font instantiators. No other assumption on
|
|
|
950 the returned value should be made (i.e. it can be a string on one system but
|
|
|
951 font instance on another).
|
|
|
952
|
|
|
953 font-default Default fixed width font.
|
|
|
954 font-menubar Menubar font
|
|
|
955 font-dialog Dialog boxes font
|
|
|
956
|
|
|
957 GEOMETRY. These metrics are returned as conses of (X . Y). As with colors,
|
|
|
958 either car or cdr of the cons may be nil if the system does not provide one
|
|
|
959 of the corresponding dimensions.
|
|
|
960
|
|
|
961 size-cursor Mouse cursor size.
|
|
|
962 size-scrollbar Scrollbars (WIDTH . HEIGHT)
|
|
|
963 size-menu Menubar height, as (nil . HEIGHT)
|
|
|
964 size-toolbar Toolbar width and height.
|
|
|
965 size-toolbar-button Toolbar button size.
|
|
|
966 size-toolbar-border Toolbar border width and height.
|
|
|
967 size-icon Icon dimensions.
|
|
|
968 size-icon-small Small icon dimensions.
|
|
|
969 size-device Device screen size in pixels.
|
|
|
970 size-workspace Workspace size in pixels. This can be less than the
|
|
|
971 above if window manager has decorations which
|
|
|
972 effectively shrink the area remaining for application
|
|
|
973 windows.
|
|
|
974 size-device-mm Device screen size in millimeters.
|
|
|
975 device-dpi Device resolution, in dots per inch.
|
|
|
976 num-bit-planes Integer, number of device bit planes.
|
|
|
977 num-color-cells Integer, number of device color cells.
|
|
|
978
|
|
|
979 FEATURES. This group reports various device features. If a feature is
|
|
|
980 present, integer 1 (one) is returned, if it is not present, then integer
|
|
|
981 0 (zero) is returned. If the system is unaware of the feature, then
|
|
|
982 DEFAULT is returned.
|
|
|
983
|
|
|
984 mouse-buttons Integer, number of mouse buttons, or zero if no mouse.
|
|
|
985 swap-buttons Non-zero if left and right mouse buttons are swapped.
|
|
|
986 show-sounds User preference for visual over audible bell.
|
|
|
987 slow-device Device is slow, avoid animation.
|
|
|
988 security Non-zero if user environment is secure.
|
|
|
989 */
|
|
|
990 (device, metric, default_))
|
|
|
991 {
|
|
|
992 struct device *d = decode_device (device);
|
|
|
993 enum device_metrics m;
|
|
|
994 Lisp_Object res;
|
|
|
995
|
|
|
996 /* Decode metric */
|
|
|
997 #define FROB(met) \
|
|
|
998 else if (EQ (metric, Q##met)) \
|
|
|
999 m = DM_##met
|
|
|
1000
|
|
|
1001 if (0)
|
|
|
1002 ;
|
|
|
1003 FROB (color_default);
|
|
|
1004 FROB (color_select);
|
|
|
1005 FROB (color_balloon);
|
|
|
1006 FROB (color_3d_face);
|
|
|
1007 FROB (color_3d_light);
|
|
|
1008 FROB (color_3d_dark);
|
|
|
1009 FROB (color_menu);
|
|
|
1010 FROB (color_menu_highlight);
|
|
|
1011 FROB (color_menu_button);
|
|
|
1012 FROB (color_menu_disabled);
|
|
|
1013 FROB (color_toolbar);
|
|
|
1014 FROB (color_scrollbar);
|
|
|
1015 FROB (color_desktop);
|
|
|
1016 FROB (color_workspace);
|
|
|
1017 FROB (font_default);
|
|
|
1018 FROB (font_menubar);
|
|
|
1019 FROB (font_dialog);
|
|
|
1020 FROB (size_cursor);
|
|
|
1021 FROB (size_scrollbar);
|
|
|
1022 FROB (size_menu);
|
|
|
1023 FROB (size_toolbar);
|
|
|
1024 FROB (size_toolbar_button);
|
|
|
1025 FROB (size_toolbar_border);
|
|
|
1026 FROB (size_icon);
|
|
|
1027 FROB (size_icon_small);
|
|
|
1028 FROB (size_device);
|
|
|
1029 FROB (size_workspace);
|
|
|
1030 FROB (size_device_mm);
|
|
|
1031 FROB (device_dpi);
|
|
|
1032 FROB (num_bit_planes);
|
|
|
1033 FROB (num_color_cells);
|
|
|
1034 FROB (mouse_buttons);
|
|
|
1035 FROB (swap_buttons);
|
|
|
1036 FROB (show_sounds);
|
|
|
1037 FROB (slow_device);
|
|
|
1038 FROB (security);
|
|
|
1039 else
|
|
|
1040 signal_simple_error ("Invalid device metric symbol", metric);
|
|
|
1041
|
|
|
1042 res = DEVMETH_OR_GIVEN (d, device_system_metrics, (d, m), Qunbound);
|
|
|
1043 return UNBOUNDP(res) ? default_ : res;
|
|
|
1044
|
|
|
1045 #undef FROB
|
|
|
1046 }
|
|
|
1047
|
|
|
1048 DEFUN ("device-system-metrics", Fdevice_system_metrics, 0, 1, 0, /*
|
|
|
1049 Get a property list of device metric for DEVICE.
|
|
|
1050
|
|
|
1051 See `device-system-metric' for the description of available metrics.
|
|
|
1052 DEVICE defaults to selected device when omitted.
|
|
|
1053 */
|
|
|
1054 (device))
|
|
|
1055 {
|
|
|
1056 struct device *d = decode_device (device);
|
|
|
1057 Lisp_Object plist = Qnil, one_metric;
|
|
|
1058
|
|
|
1059 #define FROB(m) \
|
|
|
1060 if (!UNBOUNDP ((one_metric = \
|
|
|
1061 DEVMETH_OR_GIVEN (d, device_system_metrics, \
|
|
|
1062 (d, DM_##m), Qunbound)))) \
|
|
|
1063 plist = Fcons (Q##m, Fcons (one_metric, plist));
|
|
|
1064
|
|
|
1065 FROB (color_default);
|
|
|
1066 FROB (color_select);
|
|
|
1067 FROB (color_balloon);
|
|
|
1068 FROB (color_3d_face);
|
|
|
1069 FROB (color_3d_light);
|
|
|
1070 FROB (color_3d_dark);
|
|
|
1071 FROB (color_menu);
|
|
|
1072 FROB (color_menu_highlight);
|
|
|
1073 FROB (color_menu_button);
|
|
|
1074 FROB (color_menu_disabled);
|
|
|
1075 FROB (color_toolbar);
|
|
|
1076 FROB (color_scrollbar);
|
|
|
1077 FROB (color_desktop);
|
|
|
1078 FROB (color_workspace);
|
|
|
1079 FROB (font_default);
|
|
|
1080 FROB (font_menubar);
|
|
|
1081 FROB (font_dialog);
|
|
|
1082 FROB (size_cursor);
|
|
|
1083 FROB (size_scrollbar);
|
|
|
1084 FROB (size_menu);
|
|
|
1085 FROB (size_toolbar);
|
|
|
1086 FROB (size_toolbar_button);
|
|
|
1087 FROB (size_toolbar_border);
|
|
|
1088 FROB (size_icon);
|
|
|
1089 FROB (size_icon_small);
|
|
|
1090 FROB (size_device);
|
|
|
1091 FROB (size_workspace);
|
|
|
1092 FROB (size_device_mm);
|
|
|
1093 FROB (device_dpi);
|
|
|
1094 FROB (num_bit_planes);
|
|
|
1095 FROB (num_color_cells);
|
|
|
1096 FROB (mouse_buttons);
|
|
|
1097 FROB (swap_buttons);
|
|
|
1098 FROB (show_sounds);
|
|
|
1099 FROB (slow_device);
|
|
|
1100 FROB (security);
|
|
|
1101
|
|
|
1102 return plist;
|
|
|
1103
|
|
|
1104 #undef FROB
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 Lisp_Object
|
|
|
1108 domain_device_type (Lisp_Object domain)
|
|
|
1109 {
|
|
|
1110 /* This cannot GC */
|
|
|
1111 assert (WINDOWP (domain) || FRAMEP (domain)
|
|
|
1112 || DEVICEP (domain) || CONSOLEP (domain));
|
|
|
1113
|
|
|
1114 if (WINDOWP (domain))
|
|
|
1115 {
|
|
|
1116 if (!WINDOW_LIVE_P (XWINDOW (domain)))
|
|
|
1117 return Qdead;
|
|
|
1118 domain = WINDOW_FRAME (XWINDOW (domain));
|
|
|
1119 }
|
|
|
1120 if (FRAMEP (domain))
|
|
|
1121 {
|
|
|
1122 if (!FRAME_LIVE_P (XFRAME (domain)))
|
|
|
1123 return Qdead;
|
|
|
1124 domain = FRAME_DEVICE (XFRAME (domain));
|
|
|
1125 }
|
|
|
1126 if (DEVICEP (domain))
|
|
|
1127 {
|
|
|
1128 if (!DEVICE_LIVE_P (XDEVICE (domain)))
|
|
|
1129 return Qdead;
|
|
|
1130 domain = DEVICE_CONSOLE (XDEVICE (domain));
|
|
|
1131 }
|
|
|
1132 return CONSOLE_TYPE (XCONSOLE (domain));
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 /*
|
|
|
1136 * Determine whether window system bases window geometry on character
|
|
|
1137 * or pixel counts.
|
|
|
1138 * Return non-zero for pixel-based geometry, zero for character-based.
|
|
|
1139 */
|
|
|
1140 int
|
|
|
1141 window_system_pixelated_geometry (Lisp_Object domain)
|
|
|
1142 {
|
|
|
1143 /* This cannot GC */
|
|
|
1144 Lisp_Object winsy = domain_device_type (domain);
|
|
|
1145 struct console_methods *meth = decode_console_type (winsy, ERROR_ME_NOT);
|
|
|
1146 assert (meth);
|
|
|
1147 return (MAYBE_INT_CONTYPE_METH (meth, device_implementation_flags, ())
|
|
|
1148 & XDEVIMPF_PIXEL_GEOMETRY);
|
|
|
1149 }
|
|
|
1150
|
|
|
1151 DEFUN ("domain-device-type", Fdomain_device_type, 0, 1, 0, /*
|
|
|
1152 Return the device type symbol for a DOMAIN, e.g. 'x or 'tty.
|
|
|
1153 DOMAIN can be either a window, frame, device or console.
|
|
|
1154 */
|
|
|
1155 (domain))
|
|
|
1156 {
|
|
|
1157 if (!WINDOWP (domain) && !FRAMEP (domain)
|
|
|
1158 && !DEVICEP (domain) && !CONSOLEP (domain))
|
|
|
1159 signal_simple_error
|
|
|
1160 ("Domain must be either a window, frame, device or console", domain);
|
|
|
1161
|
|
|
1162 return domain_device_type (domain);
|
|
|
1163 }
|
|
|
1164
|
|
|
1165 void
|
|
|
1166 handle_asynch_device_change (void)
|
|
|
1167 {
|
|
|
1168 int i;
|
|
|
1169 int old_asynch_device_change_pending = asynch_device_change_pending;
|
|
|
1170 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
|
1171 {
|
|
|
1172 if (Dynarr_at (the_console_type_entry_dynarr, i).meths->
|
|
|
1173 asynch_device_change_method)
|
|
|
1174 (Dynarr_at (the_console_type_entry_dynarr, i).meths->
|
|
|
1175 asynch_device_change_method) ();
|
|
|
1176 }
|
|
|
1177 /* reset the flag to 0 unless another notification occurred while
|
|
|
1178 we were processing this one. Block SIGWINCH during this
|
|
|
1179 check to prevent a possible race condition. */
|
|
|
1180 #ifndef WINDOWSNT
|
|
|
1181 EMACS_BLOCK_SIGNAL (SIGWINCH);
|
|
|
1182 #endif
|
|
|
1183 if (old_asynch_device_change_pending == asynch_device_change_pending)
|
|
|
1184 asynch_device_change_pending = 0;
|
|
|
1185 #ifndef WINDOWSNT
|
|
|
1186 EMACS_UNBLOCK_SIGNAL (SIGWINCH);
|
|
|
1187 #endif
|
|
|
1188 }
|
|
|
1189
|
|
|
1190 void
|
|
|
1191 call_critical_lisp_code (struct device *d, Lisp_Object function,
|
|
|
1192 Lisp_Object object)
|
|
|
1193 {
|
|
|
1194 int old_gc_currently_forbidden = gc_currently_forbidden;
|
|
|
1195 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
1196
|
|
|
1197 /* There's no reason to bother doing specbinds here, because if
|
|
|
1198 initialize-*-faces signals an error, emacs is going to crash
|
|
|
1199 immediately.
|
|
|
1200 */
|
|
|
1201 gc_currently_forbidden = 1;
|
|
|
1202 Vinhibit_quit = Qt;
|
|
|
1203 LOCK_DEVICE (d);
|
|
|
1204
|
|
|
1205 /* But it's useful to have an error handler; otherwise an infinite
|
|
|
1206 loop may result. */
|
|
|
1207 if (!NILP (object))
|
|
|
1208 call1_with_handler (Qreally_early_error_handler, function, object);
|
|
|
1209 else
|
|
|
1210 call0_with_handler (Qreally_early_error_handler, function);
|
|
|
1211
|
|
|
1212 UNLOCK_DEVICE (d);
|
|
|
1213 Vinhibit_quit = old_inhibit_quit;
|
|
|
1214 gc_currently_forbidden = old_gc_currently_forbidden;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217
|
|
|
1218 /************************************************************************/
|
|
|
1219 /* initialization */
|
|
|
1220 /************************************************************************/
|
|
|
1221
|
|
|
1222 void
|
|
|
1223 syms_of_device (void)
|
|
|
1224 {
|
|
|
1225 DEFSUBR (Fvalid_device_class_p);
|
|
|
1226 DEFSUBR (Fdevice_class_list);
|
|
|
1227
|
|
|
1228 DEFSUBR (Fdfw_device);
|
|
|
1229 DEFSUBR (Fselected_device);
|
|
|
1230 DEFSUBR (Fselect_device);
|
|
|
1231 DEFSUBR (Fset_device_selected_frame);
|
|
|
1232 DEFSUBR (Fdevicep);
|
|
|
1233 DEFSUBR (Fdevice_live_p);
|
|
|
1234 DEFSUBR (Fdevice_name);
|
|
|
1235 DEFSUBR (Fdevice_connection);
|
|
|
1236 DEFSUBR (Fdevice_console);
|
|
|
1237 DEFSUBR (Ffind_device);
|
|
|
1238 DEFSUBR (Fget_device);
|
|
|
1239 DEFSUBR (Fmake_device);
|
|
|
1240 DEFSUBR (Fdelete_device);
|
|
|
1241 DEFSUBR (Fdevice_frame_list);
|
|
|
1242 DEFSUBR (Fdevice_class);
|
|
|
1243 DEFSUBR (Fset_device_class);
|
|
|
1244 DEFSUBR (Fdevice_system_metrics);
|
|
|
1245 DEFSUBR (Fdevice_system_metric);
|
|
|
1246 DEFSUBR (Fset_device_baud_rate);
|
|
|
1247 DEFSUBR (Fdevice_baud_rate);
|
|
|
1248 DEFSUBR (Fdomain_device_type);
|
|
|
1249
|
|
|
1250 defsymbol (&Qdevicep, "devicep");
|
|
|
1251 defsymbol (&Qdevice_live_p, "device-live-p");
|
|
|
1252
|
|
|
1253 defsymbol (&Qcreate_device_hook, "create-device-hook");
|
|
|
1254 defsymbol (&Qdelete_device_hook, "delete-device-hook");
|
|
|
1255
|
|
|
1256 /* Qcolor defined in general.c */
|
|
|
1257 defsymbol (&Qgrayscale, "grayscale");
|
|
|
1258 defsymbol (&Qmono, "mono");
|
|
|
1259
|
|
|
1260 /* Device metrics symbols */
|
|
|
1261 defsymbol (&Qcolor_default, "color-default");
|
|
|
1262 defsymbol (&Qcolor_select, "color-select");
|
|
|
1263 defsymbol (&Qcolor_balloon, "color-balloon");
|
|
|
1264 defsymbol (&Qcolor_3d_face, "color-3d-face");
|
|
|
1265 defsymbol (&Qcolor_3d_light, "color-3d-light");
|
|
|
1266 defsymbol (&Qcolor_3d_dark, "color-3d-dark");
|
|
|
1267 defsymbol (&Qcolor_menu, "color-menu");
|
|
|
1268 defsymbol (&Qcolor_menu_highlight, "color-menu-highlight");
|
|
|
1269 defsymbol (&Qcolor_menu_button, "color-menu-button");
|
|
|
1270 defsymbol (&Qcolor_menu_disabled, "color-menu-disabled");
|
|
|
1271 defsymbol (&Qcolor_toolbar, "color-toolbar");
|
|
|
1272 defsymbol (&Qcolor_scrollbar, "color-scrollbar");
|
|
|
1273 defsymbol (&Qcolor_desktop, "color-desktop");
|
|
|
1274 defsymbol (&Qcolor_workspace, "color-workspace");
|
|
|
1275 defsymbol (&Qfont_default, "font-default");
|
|
|
1276 defsymbol (&Qfont_menubar, "font-menubar");
|
|
|
1277 defsymbol (&Qfont_dialog, "font-dialog");
|
|
|
1278 defsymbol (&Qsize_cursor, "size-cursor");
|
|
|
1279 defsymbol (&Qsize_scrollbar, "size-scrollbar");
|
|
|
1280 defsymbol (&Qsize_menu, "size-menu");
|
|
|
1281 defsymbol (&Qsize_toolbar, "size-toolbar");
|
|
|
1282 defsymbol (&Qsize_toolbar_button, "size-toolbar-button");
|
|
|
1283 defsymbol (&Qsize_toolbar_border, "size-toolbar-border");
|
|
|
1284 defsymbol (&Qsize_icon, "size-icon");
|
|
|
1285 defsymbol (&Qsize_icon_small, "size-icon-small");
|
|
|
1286 defsymbol (&Qsize_device, "size-device");
|
|
|
1287 defsymbol (&Qsize_workspace, "size-workspace");
|
|
|
1288 defsymbol (&Qsize_device_mm, "size-device-mm");
|
|
|
1289 defsymbol (&Qnum_bit_planes, "num-bit-planes");
|
|
|
1290 defsymbol (&Qnum_color_cells, "num-color-cells");
|
|
|
1291 defsymbol (&Qdevice_dpi, "device-dpi");
|
|
|
1292 defsymbol (&Qmouse_buttons, "mouse-buttons");
|
|
|
1293 defsymbol (&Qswap_buttons, "swap-buttons");
|
|
|
1294 defsymbol (&Qshow_sounds, "show-sounds");
|
|
|
1295 defsymbol (&Qslow_device, "slow-device");
|
|
|
1296 defsymbol (&Qsecurity, "security");
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 void
|
|
|
1300 reinit_vars_of_device (void)
|
|
|
1301 {
|
|
|
1302 staticpro_nodump (&Vdefault_device);
|
|
|
1303 Vdefault_device = Qnil;
|
|
|
1304 asynch_device_change_pending = 0;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 void
|
|
|
1308 vars_of_device (void)
|
|
|
1309 {
|
|
|
1310 reinit_vars_of_device ();
|
|
|
1311
|
|
|
1312 DEFVAR_LISP ("create-device-hook", &Vcreate_device_hook /*
|
|
|
1313 Function or functions to call when a device is created.
|
|
|
1314 One argument, the newly-created device.
|
|
|
1315 This is called after the first frame has been created, but before
|
|
|
1316 calling the `create-frame-hook'.
|
|
|
1317 Note that in general the device will not be selected.
|
|
|
1318 */ );
|
|
|
1319 Vcreate_device_hook = Qnil;
|
|
|
1320
|
|
|
1321 DEFVAR_LISP ("delete-device-hook", &Vdelete_device_hook /*
|
|
|
1322 Function or functions to call when a device is deleted.
|
|
|
1323 One argument, the to-be-deleted device.
|
|
|
1324 */ );
|
|
|
1325 Vdelete_device_hook = Qnil;
|
|
|
1326
|
|
|
1327 Vdevice_class_list = list3 (Qcolor, Qgrayscale, Qmono);
|
|
|
1328 staticpro (&Vdevice_class_list);
|
|
|
1329
|
|
|
1330 /* Death to devices.el !!! */
|
|
|
1331 Fprovide(intern("devices"));
|
|
|
1332 }
|
