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428
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1 /* TTY-specific Lisp objects.
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2 Copyright (C) 1995 Board of Trustees, University of Illinois.
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793
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3 Copyright (C) 1995, 1996, 2001, 2002 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 #include <config.h>
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25 #include "lisp.h"
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26
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872
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27 #include "console-tty-impl.h"
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428
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28 #include "insdel.h"
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872
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29 #include "objects-tty-impl.h"
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428
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30 #include "device.h"
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771
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31 #include "charset.h"
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428
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32
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33 /* An alist mapping from color names to a cons of (FG-STRING, BG-STRING). */
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34 Lisp_Object Vtty_color_alist;
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35 #if 0 /* This stuff doesn't quite work yet */
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36 Lisp_Object Vtty_dynamic_color_fg;
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37 Lisp_Object Vtty_dynamic_color_bg;
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38 #endif
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39
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1204
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40 static const struct memory_description tty_color_instance_data_description_1 [] = {
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41 { XD_LISP_OBJECT, offsetof (struct tty_color_instance_data, symbol) },
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42 { XD_END }
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43 };
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44
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45 const struct sized_memory_description tty_color_instance_data_description = {
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46 sizeof (struct tty_color_instance_data), tty_color_instance_data_description_1
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47 };
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48
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49 static const struct memory_description tty_font_instance_data_description_1 [] = {
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50 { XD_LISP_OBJECT, offsetof (struct tty_font_instance_data, charset) },
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51 { XD_END }
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52 };
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53
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54 const struct sized_memory_description tty_font_instance_data_description = {
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55 sizeof (struct tty_font_instance_data), tty_font_instance_data_description_1
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56 };
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57
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428
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58 DEFUN ("register-tty-color", Fregister_tty_color, 3, 3, 0, /*
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59 Register COLOR as a recognized TTY color.
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60 COLOR should be a string.
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61 Strings FG-STRING and BG-STRING should specify the escape sequences to
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62 set the foreground and background to the given color, respectively.
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63 */
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64 (color, fg_string, bg_string))
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65 {
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66 CHECK_STRING (color);
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67 CHECK_STRING (fg_string);
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68 CHECK_STRING (bg_string);
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69
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70 color = Fintern (color, Qnil);
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71 Vtty_color_alist = Fremassq (color, Vtty_color_alist);
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72 Vtty_color_alist = Fcons (Fcons (color, Fcons (fg_string, bg_string)),
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73 Vtty_color_alist);
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74
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75 return Qnil;
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76 }
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77
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78 DEFUN ("unregister-tty-color", Funregister_tty_color, 1, 1, 0, /*
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79 Unregister COLOR as a recognized TTY color.
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80 */
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81 (color))
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82 {
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83 CHECK_STRING (color);
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84
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85 color = Fintern (color, Qnil);
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86 Vtty_color_alist = Fremassq (color, Vtty_color_alist);
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87 return Qnil;
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88 }
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89
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90 DEFUN ("find-tty-color", Ffind_tty_color, 1, 1, 0, /*
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91 Look up COLOR in the list of registered TTY colors.
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92 If it is found, return a list (FG-STRING BG-STRING) of the escape
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93 sequences used to set the foreground and background to the color, respectively.
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94 If it is not found, return nil.
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95 */
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96 (color))
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97 {
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98 Lisp_Object result;
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99
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100 CHECK_STRING (color);
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101
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102 result = Fassq (Fintern (color, Qnil), Vtty_color_alist);
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103 if (!NILP (result))
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104 return list2 (Fcar (Fcdr (result)), Fcdr (Fcdr (result)));
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105 else
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106 return Qnil;
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107 }
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108
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109 DEFUN ("tty-color-list", Ftty_color_list, 0, 0, 0, /*
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110 Return a list of the registered TTY colors.
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111 */
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112 ())
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113 {
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114 Lisp_Object result = Qnil;
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115 Lisp_Object rest;
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116
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117 LIST_LOOP (rest, Vtty_color_alist)
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118 {
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119 result = Fcons (Fsymbol_name (XCAR (XCAR (rest))), result);
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120 }
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121
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122 return Fnreverse (result);
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123 }
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124
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125 #if 0
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126
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127 /* This approach is too simplistic. The problem is that the
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128 dynamic color settings apply to *all* text in the default color,
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129 not just the text output after the escape sequence has been given. */
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130
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131 DEFUN ("set-tty-dynamic-color-specs", Fset_tty_dynamic_color_specs, 2, 2, 0, /*
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132 Set the dynamic color specifications for TTY's.
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133 FG and BG should be either nil or vaguely printf-like strings,
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134 where each occurrence of %s is replaced with the color name and each
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135 occurrence of %% is replaced with a single % character.
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136 */
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137 (fg, bg))
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138 {
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139 if (!NILP (fg))
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140 CHECK_STRING (fg);
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141 if (!NILP (bg))
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142 CHECK_STRING (bg);
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143
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144 Vtty_dynamic_color_fg = fg;
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145 Vtty_dynamic_color_bg = bg;
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146
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147 return Qnil;
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148 }
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149
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150 DEFUN ("tty-dynamic-color-specs", Ftty_dynamic_color_specs, 0, 0, 0, /*
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151 Return the dynamic color specifications for TTY's as a list of (FG BG).
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152 See `set-tty-dynamic-color-specs'.
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153 */
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154 ())
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155 {
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156 return list2 (Vtty_dynamic_color_fg, Vtty_dynamic_color_bg);
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157 }
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158
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159 #endif /* 0 */
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160
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161 static int
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440
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162 tty_initialize_color_instance (Lisp_Color_Instance *c, Lisp_Object name,
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578
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163 Lisp_Object device, Error_Behavior errb)
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428
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164 {
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165 Lisp_Object result;
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166
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167 name = Fintern (name, Qnil);
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168 result = assq_no_quit (name, Vtty_color_alist);
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169
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170 if (NILP (result))
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171 {
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172 #if 0
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173 if (!STRINGP (Vtty_dynamic_color_fg)
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174 && !STRINGP (Vtty_dynamic_color_bg))
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175 #endif
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176 return 0;
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177 }
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178
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179 /* Don't allocate the data until we're sure that we will succeed. */
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180 c->data = xnew (struct tty_color_instance_data);
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181 COLOR_INSTANCE_TTY_SYMBOL (c) = name;
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182
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183 return 1;
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184 }
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185
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186 static void
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440
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187 tty_mark_color_instance (Lisp_Color_Instance *c)
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428
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188 {
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189 mark_object (COLOR_INSTANCE_TTY_SYMBOL (c));
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190 }
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191
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192 static void
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440
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193 tty_print_color_instance (Lisp_Color_Instance *c,
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428
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194 Lisp_Object printcharfun,
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195 int escapeflag)
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196 {
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197 }
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198
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199 static void
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440
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200 tty_finalize_color_instance (Lisp_Color_Instance *c)
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428
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201 {
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202 if (c->data)
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203 xfree (c->data);
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204 }
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205
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206 static int
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440
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207 tty_color_instance_equal (Lisp_Color_Instance *c1,
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208 Lisp_Color_Instance *c2,
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428
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209 int depth)
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210 {
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211 return (EQ (COLOR_INSTANCE_TTY_SYMBOL (c1),
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212 COLOR_INSTANCE_TTY_SYMBOL (c2)));
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213 }
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214
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215 static unsigned long
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440
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216 tty_color_instance_hash (Lisp_Color_Instance *c, int depth)
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428
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217 {
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218 return LISP_HASH (COLOR_INSTANCE_TTY_SYMBOL (c));
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219 }
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220
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221 static int
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222 tty_valid_color_name_p (struct device *d, Lisp_Object color)
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223 {
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224 return (!NILP (assoc_no_quit (Fintern (color, Qnil), Vtty_color_alist)));
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225 #if 0
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226 || STRINGP (Vtty_dynamic_color_fg)
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227 || STRINGP (Vtty_dynamic_color_bg)
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228 #endif
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229 }
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230
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231
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232 static int
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440
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233 tty_initialize_font_instance (Lisp_Font_Instance *f, Lisp_Object name,
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578
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234 Lisp_Object device, Error_Behavior errb)
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428
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235 {
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867
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236 Ibyte *str = XSTRING_DATA (name);
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428
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237 Lisp_Object charset = Qnil;
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238
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771
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239 if (qxestrncmp_c (str, "normal", 6))
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428
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240 return 0;
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241 str += 6;
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242 if (*str)
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243 {
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244 #ifdef MULE
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245 if (*str != '/')
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246 return 0;
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247 str++;
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771
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248 charset = Ffind_charset (intern_int (str));
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428
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249 if (NILP (charset))
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250 return 0;
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251 #else
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252 return 0;
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253 #endif
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254 }
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255
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256 /* Don't allocate the data until we're sure that we will succeed. */
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257 f->data = xnew (struct tty_font_instance_data);
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258 FONT_INSTANCE_TTY_CHARSET (f) = charset;
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259 #ifdef MULE
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260 if (CHARSETP (charset))
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261 f->width = XCHARSET_COLUMNS (charset);
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262 else
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263 #endif
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264 f->width = 1;
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265
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266 f->proportional_p = 0;
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267 f->ascent = f->height = 1;
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268 f->descent = 0;
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269
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270 return 1;
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271 }
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272
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273 static void
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440
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274 tty_mark_font_instance (Lisp_Font_Instance *f)
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428
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275 {
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276 mark_object (FONT_INSTANCE_TTY_CHARSET (f));
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277 }
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278
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279 static void
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440
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280 tty_print_font_instance (Lisp_Font_Instance *f,
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428
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281 Lisp_Object printcharfun,
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282 int escapeflag)
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283 {
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284 }
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285
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286 static void
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440
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287 tty_finalize_font_instance (Lisp_Font_Instance *f)
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428
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288 {
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289 if (f->data)
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290 xfree (f->data);
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291 }
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292
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293 static Lisp_Object
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294 tty_list_fonts (Lisp_Object pattern, Lisp_Object device)
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295 {
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296 return list1 (build_string ("normal"));
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297 }
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298
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299 #ifdef MULE
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300
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301 static int
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302 tty_font_spec_matches_charset (struct device *d, Lisp_Object charset,
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867
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303 const Ibyte *nonreloc, Lisp_Object reloc,
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872
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304 Bytecount offset, Bytecount length,
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305 int stage)
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428
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306 {
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867
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307 const Ibyte *the_nonreloc = nonreloc;
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428
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308
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872
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309 if (stage)
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310 return 0;
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311
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428
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312 if (!the_nonreloc)
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313 the_nonreloc = XSTRING_DATA (reloc);
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314 fixup_internal_substring (nonreloc, reloc, offset, &length);
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315 the_nonreloc += offset;
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316
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317 if (UNBOUNDP (charset))
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318 return !memchr (the_nonreloc, '/', length);
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867
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319 the_nonreloc = (const Ibyte *) memchr (the_nonreloc, '/', length);
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428
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320 if (!the_nonreloc)
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321 return 0;
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322 the_nonreloc++;
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323 {
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793
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324 Lisp_Object s = symbol_name (XSYMBOL (XCHARSET_NAME (charset)));
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325 return !qxestrcmp (the_nonreloc, XSTRING_DATA (s));
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428
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326 }
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327 }
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328
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329 /* find a font spec that matches font spec FONT and also matches
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330 (the registry of) CHARSET. */
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331 static Lisp_Object
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332 tty_find_charset_font (Lisp_Object device, Lisp_Object font,
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872
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333 Lisp_Object charset, int stage)
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428
|
334 {
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867
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335 Ibyte *fontname = XSTRING_DATA (font);
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428
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336
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872
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337 if (stage)
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338 return Qnil;
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339
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442
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340 if (strchr ((const char *) fontname, '/'))
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428
|
341 {
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|
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342 if (tty_font_spec_matches_charset (XDEVICE (device), charset, 0,
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872
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343 font, 0, -1, 0))
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428
|
344 return font;
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345 return Qnil;
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346 }
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347
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348 if (UNBOUNDP (charset))
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349 return font;
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350
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351 return concat3 (font, build_string ("/"),
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352 Fsymbol_name (XCHARSET_NAME (charset)));
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353 }
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354
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355 #endif /* MULE */
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356
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357
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358 /************************************************************************/
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359 /* initialization */
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360 /************************************************************************/
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361
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362 void
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363 syms_of_objects_tty (void)
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|
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364 {
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365 DEFSUBR (Fregister_tty_color);
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366 DEFSUBR (Funregister_tty_color);
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367 DEFSUBR (Ffind_tty_color);
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368 DEFSUBR (Ftty_color_list);
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369 #if 0
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370 DEFSUBR (Fset_tty_dynamic_color_specs);
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371 DEFSUBR (Ftty_dynamic_color_specs);
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|
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372 #endif
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|
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373 }
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374
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|
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375 void
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|
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376 console_type_create_objects_tty (void)
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|
|
377 {
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378 /* object methods */
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379 CONSOLE_HAS_METHOD (tty, initialize_color_instance);
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380 CONSOLE_HAS_METHOD (tty, mark_color_instance);
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381 CONSOLE_HAS_METHOD (tty, print_color_instance);
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382 CONSOLE_HAS_METHOD (tty, finalize_color_instance);
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383 CONSOLE_HAS_METHOD (tty, color_instance_equal);
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|
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384 CONSOLE_HAS_METHOD (tty, color_instance_hash);
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|
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385 CONSOLE_HAS_METHOD (tty, valid_color_name_p);
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|
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386
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387 CONSOLE_HAS_METHOD (tty, initialize_font_instance);
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388 CONSOLE_HAS_METHOD (tty, mark_font_instance);
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|
|
389 CONSOLE_HAS_METHOD (tty, print_font_instance);
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|
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390 CONSOLE_HAS_METHOD (tty, finalize_font_instance);
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|
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391 CONSOLE_HAS_METHOD (tty, list_fonts);
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|
|
392 #ifdef MULE
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|
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393 CONSOLE_HAS_METHOD (tty, font_spec_matches_charset);
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|
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394 CONSOLE_HAS_METHOD (tty, find_charset_font);
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|
|
395 #endif
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|
|
396 }
|
|
|
397
|
|
|
398 void
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|
|
399 vars_of_objects_tty (void)
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|
|
400 {
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|
|
401 staticpro (&Vtty_color_alist);
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|
|
402 Vtty_color_alist = Qnil;
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|
|
403
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|
|
404 #if 0
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|
|
405 staticpro (&Vtty_dynamic_color_fg);
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|
|
406 Vtty_dynamic_color_fg = Qnil;
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|
|
407
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|
|
408 staticpro (&Vtty_dynamic_color_bg);
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|
|
409 Vtty_dynamic_color_bg = Qnil;
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|
|
410 #endif
|
|
|
411 }
|
