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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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3092
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45 #ifdef NEW_GC
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46 DEFINE_LRECORD_IMPLEMENTATION ("tty-color-instance-data",
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47 tty_color_instance_data,
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48 0, /*dumpable-flag*/
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49 0, 0, 0, 0, 0,
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50 tty_color_instance_data_description_1,
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51 struct tty_color_instance_data);
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52 #else /* not NEW_GC */
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1204
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53 const struct sized_memory_description tty_color_instance_data_description = {
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54 sizeof (struct tty_color_instance_data), tty_color_instance_data_description_1
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55 };
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3092
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56 #endif /* not NEW_GC */
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1204
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57
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58 static const struct memory_description tty_font_instance_data_description_1 [] = {
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59 { XD_LISP_OBJECT, offsetof (struct tty_font_instance_data, charset) },
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60 { XD_END }
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61 };
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62
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3092
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63 #ifdef NEW_GC
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64 DEFINE_LRECORD_IMPLEMENTATION ("tty-font-instance-data",
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65 tty_font_instance_data,
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66 0, /*dumpable-flag*/
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67 0, 0, 0, 0, 0,
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68 tty_font_instance_data_description_1,
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69 struct tty_font_instance_data);
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70 #else /* not NEW_GC */
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1204
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71 const struct sized_memory_description tty_font_instance_data_description = {
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72 sizeof (struct tty_font_instance_data), tty_font_instance_data_description_1
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73 };
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3092
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74 #endif /* not NEW_GC */
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1204
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75
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428
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76 DEFUN ("register-tty-color", Fregister_tty_color, 3, 3, 0, /*
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77 Register COLOR as a recognized TTY color.
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78 COLOR should be a string.
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79 Strings FG-STRING and BG-STRING should specify the escape sequences to
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80 set the foreground and background to the given color, respectively.
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81 */
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82 (color, fg_string, bg_string))
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83 {
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84 CHECK_STRING (color);
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85 CHECK_STRING (fg_string);
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86 CHECK_STRING (bg_string);
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87
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88 color = Fintern (color, Qnil);
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89 Vtty_color_alist = Fremassq (color, Vtty_color_alist);
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90 Vtty_color_alist = Fcons (Fcons (color, Fcons (fg_string, bg_string)),
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91 Vtty_color_alist);
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92
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93 return Qnil;
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94 }
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95
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96 DEFUN ("unregister-tty-color", Funregister_tty_color, 1, 1, 0, /*
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97 Unregister COLOR as a recognized TTY color.
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98 */
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99 (color))
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100 {
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101 CHECK_STRING (color);
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102
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103 color = Fintern (color, Qnil);
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104 Vtty_color_alist = Fremassq (color, Vtty_color_alist);
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105 return Qnil;
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106 }
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107
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108 DEFUN ("find-tty-color", Ffind_tty_color, 1, 1, 0, /*
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109 Look up COLOR in the list of registered TTY colors.
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110 If it is found, return a list (FG-STRING BG-STRING) of the escape
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111 sequences used to set the foreground and background to the color, respectively.
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112 If it is not found, return nil.
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113 */
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114 (color))
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115 {
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116 Lisp_Object result;
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117
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118 CHECK_STRING (color);
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119
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120 result = Fassq (Fintern (color, Qnil), Vtty_color_alist);
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121 if (!NILP (result))
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122 return list2 (Fcar (Fcdr (result)), Fcdr (Fcdr (result)));
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123 else
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124 return Qnil;
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125 }
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126
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2527
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127 static Lisp_Object
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128 tty_color_list (void)
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428
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129 {
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130 Lisp_Object result = Qnil;
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131 Lisp_Object rest;
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132
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133 LIST_LOOP (rest, Vtty_color_alist)
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134 {
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135 result = Fcons (Fsymbol_name (XCAR (XCAR (rest))), result);
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136 }
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137
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138 return Fnreverse (result);
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139 }
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140
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141 #if 0
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142
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143 /* This approach is too simplistic. The problem is that the
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144 dynamic color settings apply to *all* text in the default color,
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145 not just the text output after the escape sequence has been given. */
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146
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147 DEFUN ("set-tty-dynamic-color-specs", Fset_tty_dynamic_color_specs, 2, 2, 0, /*
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148 Set the dynamic color specifications for TTY's.
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149 FG and BG should be either nil or vaguely printf-like strings,
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150 where each occurrence of %s is replaced with the color name and each
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151 occurrence of %% is replaced with a single % character.
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152 */
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153 (fg, bg))
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154 {
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155 if (!NILP (fg))
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156 CHECK_STRING (fg);
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157 if (!NILP (bg))
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158 CHECK_STRING (bg);
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159
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160 Vtty_dynamic_color_fg = fg;
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161 Vtty_dynamic_color_bg = bg;
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162
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163 return Qnil;
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164 }
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165
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166 DEFUN ("tty-dynamic-color-specs", Ftty_dynamic_color_specs, 0, 0, 0, /*
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167 Return the dynamic color specifications for TTY's as a list of (FG BG).
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168 See `set-tty-dynamic-color-specs'.
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169 */
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170 ())
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171 {
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172 return list2 (Vtty_dynamic_color_fg, Vtty_dynamic_color_bg);
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173 }
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174
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175 #endif /* 0 */
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176
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177 static int
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440
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178 tty_initialize_color_instance (Lisp_Color_Instance *c, Lisp_Object name,
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2286
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179 Lisp_Object UNUSED (device),
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180 Error_Behavior UNUSED (errb))
|
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428
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181 {
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182 Lisp_Object result;
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183
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184 name = Fintern (name, Qnil);
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185 result = assq_no_quit (name, Vtty_color_alist);
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186
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187 if (NILP (result))
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188 {
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189 #if 0
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190 if (!STRINGP (Vtty_dynamic_color_fg)
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191 && !STRINGP (Vtty_dynamic_color_bg))
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192 #endif
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193 return 0;
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194 }
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195
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196 /* Don't allocate the data until we're sure that we will succeed. */
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3092
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197 #ifdef NEW_GC
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198 c->data = alloc_lrecord_type (struct tty_color_instance_data,
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199 &lrecord_tty_color_instance_data);
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200 #else /* not NEW_GC */
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428
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201 c->data = xnew (struct tty_color_instance_data);
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3092
|
202 #endif /* not NEW_GC */
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428
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203 COLOR_INSTANCE_TTY_SYMBOL (c) = name;
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204
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205 return 1;
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206 }
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207
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208 static void
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440
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209 tty_mark_color_instance (Lisp_Color_Instance *c)
|
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428
|
210 {
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211 mark_object (COLOR_INSTANCE_TTY_SYMBOL (c));
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212 }
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213
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214 static void
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2286
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215 tty_print_color_instance (Lisp_Color_Instance *UNUSED (c),
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216 Lisp_Object UNUSED (printcharfun),
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217 int UNUSED (escapeflag))
|
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428
|
218 {
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219 }
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220
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221 static void
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440
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222 tty_finalize_color_instance (Lisp_Color_Instance *c)
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428
|
223 {
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224 if (c->data)
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3092
|
225 #ifdef NEW_GC
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226 mc_free (c->data);
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227 #else /* not NEW_GC */
|
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1726
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228 xfree (c->data, void *);
|
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3092
|
229 #endif /* not NEW_GC */
|
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428
|
230 }
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231
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232 static int
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440
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233 tty_color_instance_equal (Lisp_Color_Instance *c1,
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234 Lisp_Color_Instance *c2,
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2286
|
235 int UNUSED (depth))
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428
|
236 {
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237 return (EQ (COLOR_INSTANCE_TTY_SYMBOL (c1),
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238 COLOR_INSTANCE_TTY_SYMBOL (c2)));
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239 }
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240
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2515
|
241 static Hashcode
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2286
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242 tty_color_instance_hash (Lisp_Color_Instance *c, int UNUSED (depth))
|
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428
|
243 {
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244 return LISP_HASH (COLOR_INSTANCE_TTY_SYMBOL (c));
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245 }
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246
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247 static int
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2286
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248 tty_valid_color_name_p (struct device *UNUSED (d), Lisp_Object color)
|
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428
|
249 {
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250 return (!NILP (assoc_no_quit (Fintern (color, Qnil), Vtty_color_alist)));
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251 #if 0
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252 || STRINGP (Vtty_dynamic_color_fg)
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253 || STRINGP (Vtty_dynamic_color_bg)
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254 #endif
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255 }
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256
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257
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258 static int
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440
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259 tty_initialize_font_instance (Lisp_Font_Instance *f, Lisp_Object name,
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2286
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260 Lisp_Object UNUSED (device),
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261 Error_Behavior UNUSED (errb))
|
|
428
|
262 {
|
|
867
|
263 Ibyte *str = XSTRING_DATA (name);
|
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428
|
264 Lisp_Object charset = Qnil;
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265
|
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2367
|
266 if (qxestrncmp_ascii (str, "normal", 6))
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428
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267 return 0;
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268 str += 6;
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269 if (*str)
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270 {
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271 #ifdef MULE
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272 if (*str != '/')
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273 return 0;
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274 str++;
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771
|
275 charset = Ffind_charset (intern_int (str));
|
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428
|
276 if (NILP (charset))
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277 return 0;
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|
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278 #else
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279 return 0;
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|
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280 #endif
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|
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281 }
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|
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282
|
|
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283 /* Don't allocate the data until we're sure that we will succeed. */
|
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3092
|
284 #ifdef NEW_GC
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|
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285 f->data = alloc_lrecord_type (struct tty_font_instance_data,
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286 &lrecord_tty_font_instance_data);
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287 #else /* not NEW_GC */
|
|
428
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288 f->data = xnew (struct tty_font_instance_data);
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3092
|
289 #endif /* not NEW_GC */
|
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428
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290 FONT_INSTANCE_TTY_CHARSET (f) = charset;
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291 #ifdef MULE
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292 if (CHARSETP (charset))
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293 f->width = XCHARSET_COLUMNS (charset);
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294 else
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295 #endif
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296 f->width = 1;
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297
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298 f->proportional_p = 0;
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299 f->ascent = f->height = 1;
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300 f->descent = 0;
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301
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302 return 1;
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|
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303 }
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304
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|
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305 static void
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|
440
|
306 tty_mark_font_instance (Lisp_Font_Instance *f)
|
|
428
|
307 {
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|
|
308 mark_object (FONT_INSTANCE_TTY_CHARSET (f));
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|
|
309 }
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|
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310
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|
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311 static void
|
|
2286
|
312 tty_print_font_instance (Lisp_Font_Instance *UNUSED (f),
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313 Lisp_Object UNUSED (printcharfun),
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|
|
314 int UNUSED (escapeflag))
|
|
428
|
315 {
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|
|
316 }
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|
|
317
|
|
|
318 static void
|
|
440
|
319 tty_finalize_font_instance (Lisp_Font_Instance *f)
|
|
428
|
320 {
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|
|
321 if (f->data)
|
|
3092
|
322 #ifdef NEW_GC
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|
|
323 mc_free (f->data);
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|
|
324 #else /* not NEW_GC */
|
|
1726
|
325 xfree (f->data, void *);
|
|
3092
|
326 #endif /* not NEW_GC */
|
|
428
|
327 }
|
|
|
328
|
|
|
329 static Lisp_Object
|
|
2527
|
330 tty_font_list (Lisp_Object UNUSED (pattern), Lisp_Object UNUSED (device),
|
|
2286
|
331 Lisp_Object UNUSED (maxnumber))
|
|
428
|
332 {
|
|
|
333 return list1 (build_string ("normal"));
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|
|
334 }
|
|
|
335
|
|
|
336 #ifdef MULE
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|
|
337
|
|
|
338 static int
|
|
2286
|
339 tty_font_spec_matches_charset (struct device *UNUSED (d), Lisp_Object charset,
|
|
867
|
340 const Ibyte *nonreloc, Lisp_Object reloc,
|
|
872
|
341 Bytecount offset, Bytecount length,
|
|
|
342 int stage)
|
|
428
|
343 {
|
|
867
|
344 const Ibyte *the_nonreloc = nonreloc;
|
|
428
|
345
|
|
872
|
346 if (stage)
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|
|
347 return 0;
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|
|
348
|
|
428
|
349 if (!the_nonreloc)
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|
|
350 the_nonreloc = XSTRING_DATA (reloc);
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|
|
351 fixup_internal_substring (nonreloc, reloc, offset, &length);
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|
|
352 the_nonreloc += offset;
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|
|
353
|
|
|
354 if (UNBOUNDP (charset))
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|
|
355 return !memchr (the_nonreloc, '/', length);
|
|
867
|
356 the_nonreloc = (const Ibyte *) memchr (the_nonreloc, '/', length);
|
|
428
|
357 if (!the_nonreloc)
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|
|
358 return 0;
|
|
|
359 the_nonreloc++;
|
|
|
360 {
|
|
793
|
361 Lisp_Object s = symbol_name (XSYMBOL (XCHARSET_NAME (charset)));
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|
|
362 return !qxestrcmp (the_nonreloc, XSTRING_DATA (s));
|
|
428
|
363 }
|
|
|
364 }
|
|
|
365
|
|
|
366 /* find a font spec that matches font spec FONT and also matches
|
|
|
367 (the registry of) CHARSET. */
|
|
|
368 static Lisp_Object
|
|
|
369 tty_find_charset_font (Lisp_Object device, Lisp_Object font,
|
|
872
|
370 Lisp_Object charset, int stage)
|
|
428
|
371 {
|
|
867
|
372 Ibyte *fontname = XSTRING_DATA (font);
|
|
428
|
373
|
|
872
|
374 if (stage)
|
|
|
375 return Qnil;
|
|
|
376
|
|
442
|
377 if (strchr ((const char *) fontname, '/'))
|
|
428
|
378 {
|
|
|
379 if (tty_font_spec_matches_charset (XDEVICE (device), charset, 0,
|
|
872
|
380 font, 0, -1, 0))
|
|
428
|
381 return font;
|
|
|
382 return Qnil;
|
|
|
383 }
|
|
|
384
|
|
|
385 if (UNBOUNDP (charset))
|
|
|
386 return font;
|
|
|
387
|
|
|
388 return concat3 (font, build_string ("/"),
|
|
|
389 Fsymbol_name (XCHARSET_NAME (charset)));
|
|
|
390 }
|
|
|
391
|
|
|
392 #endif /* MULE */
|
|
|
393
|
|
|
394
|
|
|
395 /************************************************************************/
|
|
|
396 /* initialization */
|
|
|
397 /************************************************************************/
|
|
|
398
|
|
|
399 void
|
|
|
400 syms_of_objects_tty (void)
|
|
|
401 {
|
|
3092
|
402 #ifdef NEW_GC
|
|
|
403 INIT_LRECORD_IMPLEMENTATION (tty_color_instance_data);
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404 INIT_LRECORD_IMPLEMENTATION (tty_font_instance_data);
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405 #endif /* NEW_GC */
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406
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428
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407 DEFSUBR (Fregister_tty_color);
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408 DEFSUBR (Funregister_tty_color);
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409 DEFSUBR (Ffind_tty_color);
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410 #if 0
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411 DEFSUBR (Fset_tty_dynamic_color_specs);
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412 DEFSUBR (Ftty_dynamic_color_specs);
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413 #endif
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414 }
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415
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416 void
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417 console_type_create_objects_tty (void)
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418 {
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419 /* object methods */
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420 CONSOLE_HAS_METHOD (tty, initialize_color_instance);
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421 CONSOLE_HAS_METHOD (tty, mark_color_instance);
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422 CONSOLE_HAS_METHOD (tty, print_color_instance);
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423 CONSOLE_HAS_METHOD (tty, finalize_color_instance);
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424 CONSOLE_HAS_METHOD (tty, color_instance_equal);
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425 CONSOLE_HAS_METHOD (tty, color_instance_hash);
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426 CONSOLE_HAS_METHOD (tty, valid_color_name_p);
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2527
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427 CONSOLE_HAS_METHOD (tty, color_list);
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428
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428
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429 CONSOLE_HAS_METHOD (tty, initialize_font_instance);
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430 CONSOLE_HAS_METHOD (tty, mark_font_instance);
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431 CONSOLE_HAS_METHOD (tty, print_font_instance);
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432 CONSOLE_HAS_METHOD (tty, finalize_font_instance);
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2527
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433 CONSOLE_HAS_METHOD (tty, font_list);
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428
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434 #ifdef MULE
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435 CONSOLE_HAS_METHOD (tty, font_spec_matches_charset);
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436 CONSOLE_HAS_METHOD (tty, find_charset_font);
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437 #endif
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438 }
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439
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440 void
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441 vars_of_objects_tty (void)
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442 {
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443 staticpro (&Vtty_color_alist);
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444 Vtty_color_alist = Qnil;
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445
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446 #if 0
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447 staticpro (&Vtty_dynamic_color_fg);
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448 Vtty_dynamic_color_fg = Qnil;
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449
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450 staticpro (&Vtty_dynamic_color_bg);
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451 Vtty_dynamic_color_bg = Qnil;
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452 #endif
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453 }
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