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872
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1 /* Define TTY specific console, device, and frame object for XEmacs.
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2 Copyright (C) 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1996 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Written by Chuck Thompson and Ben Wing. */
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25
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26 /* NOTE: Currently each TTY console can have only one device.
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27 Therefore, all stuff for both input and output is lumped into
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28 the console structure. If it ever becomes meaningful to
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29 have more than one device on a TTY console, the output stuff
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30 will have to get separated out. */
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31
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32 #ifndef INCLUDED_console_tty_impl_h_
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33 #define INCLUDED_console_tty_impl_h_
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34
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35 #include "console-impl.h"
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36 #include "console-tty.h"
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37
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38 DECLARE_CONSOLE_TYPE (tty);
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39
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40 struct tty_console
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41 {
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3092
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42 #ifdef NEW_GC
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43 struct lrecord_header header;
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44 #endif /* NEW_GC */
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872
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45 int infd, outfd;
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46 Lisp_Object instream, outstream;
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47 Lisp_Object terminal_type;
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48 Lisp_Object controlling_process;
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49 char *term_entry_buffer;
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50
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51 /* Physical location of cursor on this console. */
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52 int cursor_x;
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53 int cursor_y;
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54
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55 /* The real location of the cursor. The above physical location may
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56 be ahead of where we really are. */
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57 int real_cursor_x;
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58 int real_cursor_y;
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59
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60 int final_cursor_x;
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61 int final_cursor_y;
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62
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63 int height;
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64 int width;
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65
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66 /* The count of frame number. */
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67 int frame_count;
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68
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69 /* flags indicating presence, absence or value of various features */
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70 struct
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71 {
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72 unsigned int must_write_spaces :1; /* terminal inserts nulls, not
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73 spaces to fill whitespace on
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74 screen */
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75 unsigned int insert_mode_motion :1; /* cursor movement commands
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76 work while in insert mode */
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77 unsigned int standout_motion :1; /* cursor movement is graceful
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78 in standout or underline mode */
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79 unsigned int memory_above_frame :1; /* display retained above screen */
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80 unsigned int memory_below_frame :1; /* display retained below screen */
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81 unsigned int meta_key :2; /* 0 == mask off top bit;
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82 1 == top bit is meta;
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83 2 == top bit is useful as
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84 character info */
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85 unsigned int flow_control :1; /* Nonzero means use ^S/^Q as
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86 cretinous flow control. */
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87 int standout_width; /* # of spaces printed when
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88 change to standout mode */
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89 int underline_width; /* # of spaces printed when
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90 change to underline mode */
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91 } flags;
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92
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93 /* cursor motion entries - each entry is commented with the terminfo
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94 and the termcap entry */
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95 struct
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96 {
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97 /* local cursor movement */
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98 const char *up; /* cuu1, up */
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99 const char *down; /* cud1, do */
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100 const char *left; /* cub1, le */
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101 const char *right; /* cuf1, nd */
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102 const char *home; /* home, ho */
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103 const char *low_left; /* ll, ll */
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104 const char *car_return; /* cr, cr */
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105
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106 /* parameterized local cursor movement */
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107 const char *multi_up; /* cuu, UP */
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108 const char *multi_down; /* cud, DO */
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109 const char *multi_left; /* cub, LE */
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110 const char *multi_right; /* cuf, RI */
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111
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112 /* absolute cursor motion */
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113 const char *abs; /* cup, cm */
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114 const char *hor_abs; /* hpa, ch */
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115 const char *ver_abs; /* vpa, cv */
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116
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117 /* scrolling */
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118 const char *scroll_forw; /* ind, sf */
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119 const char *scroll_back; /* ri, sr */
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120 const char *multi_scroll_forw; /* indn, SF */
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121 const char *multi_scroll_back; /* rin, SR */
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122 const char *set_scroll_region; /* csr, cs */
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123 } cm;
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124
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125 /* screen editing entries - each entry is commented with the
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126 terminfo and the termcap entry */
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127 struct
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128 {
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129 /* adding to the screen */
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130 const char *ins_line; /* il1, al */
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131 const char *multi_ins_line; /* il, AL */
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132 const char *repeat; /* rep, rp */
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133 const char *begin_ins_mode; /* smir, im */
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134 const char *end_ins_mode; /* rmir, ei */
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135 const char *ins_char; /* ich1, ic */
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136 const char *multi_ins_char; /* ich, IC */
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137 const char *insert_pad; /* ip, ip */
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138
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139 /* deleting from the screen */
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140 const char *clr_frame; /* clear, cl */
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141 const char *clr_from_cursor; /* ed, cd */
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142 const char *clr_to_eol; /* el, ce */
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143 const char *del_line; /* dl1, dl */
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144 const char *multi_del_line; /* dl, DL */
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145 const char *del_char; /* dch1, dc */
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146 const char *multi_del_char; /* dch, DC */
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147 const char *begin_del_mode; /* smdc, dm */
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148 const char *end_del_mode; /* rmdc, ed */
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149 const char *erase_at_cursor; /* ech, ec */
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150 } se;
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151
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152 /* screen display entries - each entry is commented with the
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153 terminfo and termcap entry */
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154 struct
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155 {
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156 const char *begin_standout; /* smso, so */
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157 const char *end_standout; /* rmso, se */
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158 const char *begin_underline; /* smul, us */
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159 const char *end_underline; /* rmul, ue */
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160 const char *begin_alternate; /* smacs, as */
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161 const char *end_alternate; /* rmacs, ae */
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162
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163 const char *turn_on_reverse; /* rev, mr */
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164 const char *turn_on_blinking; /* blink, mb */
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165 const char *turn_on_bold; /* bold, md */
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166 const char *turn_on_dim; /* dim, mh */
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167 const char *turn_off_attributes; /* sgr0, me */
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168
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169 const char *visual_bell; /* flash, vb */
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170 const char *audio_bell; /* bel, bl */
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171
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172 const char *cursor_visible; /* cvvis, vs */
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173 const char *cursor_normal; /* cnorm, ve */
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174 const char *init_motion; /* smcup, ti */
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175 const char *end_motion; /* rmcup, te */
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176 const char *keypad_on; /* smkx, ks */
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177 const char *keypad_off; /* rmkx, ke */
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178
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179 const char *orig_pair; /* op, op */
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180 } sd;
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181
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182 /* costs of various operations */
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183 struct
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184 {
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185 int cm_up;
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186 int cm_down;
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187 int cm_left;
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188 int cm_right;
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189 int cm_home;
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190 int cm_low_left;
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191 int cm_car_return;
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192 int cm_abs;
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193 int cm_hor_abs;
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194 int cm_ver_abs;
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195 } cost;
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196
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197 /* The initial tty mode bits */
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198 struct emacs_tty old_tty;
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199
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200 /* Is this TTY our controlling terminal? */
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201 unsigned int controlling_terminal :1;
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202 unsigned int is_stdio :1;
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3571
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203 /* Do East Asian chars take up two columns? */
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204 unsigned int multiple_width :1;
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872
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205 };
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206
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3092
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207 #ifdef NEW_GC
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208 typedef struct tty_console Lisp_Tty_Console;
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209
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210 DECLARE_LRECORD (tty_console, Lisp_Tty_Console);
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211
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212 #define XTTY_CONSOLE(x) \
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213 XRECORD (x, tty_console, Lisp_Tty_Console)
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214 #define wrap_tty_console(p) wrap_record (p, tty_console)
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215 #define TTY_CONSOLE_P(x) RECORDP (x, tty_console)
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216 #endif /* NEW_GC */
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217
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872
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218 #define CONSOLE_TTY_DATA(c) CONSOLE_TYPE_DATA (c, tty)
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219 #define CONSOLE_TTY_CURSOR_X(c) (CONSOLE_TTY_DATA (c)->cursor_x)
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220 #define CONSOLE_TTY_CURSOR_Y(c) (CONSOLE_TTY_DATA (c)->cursor_y)
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221 #define CONSOLE_TTY_REAL_CURSOR_X(c) (CONSOLE_TTY_DATA (c)->real_cursor_x)
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222 #define CONSOLE_TTY_REAL_CURSOR_Y(c) (CONSOLE_TTY_DATA (c)->real_cursor_y)
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223 #define CONSOLE_TTY_FINAL_CURSOR_X(c) (CONSOLE_TTY_DATA (c)->final_cursor_x)
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224 #define CONSOLE_TTY_FINAL_CURSOR_Y(c) (CONSOLE_TTY_DATA (c)->final_cursor_y)
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225
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226 /* In a more ideal world where available terminfo files actually included
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227 information on whether a given TTY supports double-width characters or
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228 not, oh, and where Mule was not conditional, SUPPORTS_MULTIPLE_WIDTH
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229 would be as console-specific as its syntax implies.
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230
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231 In this world, this is overengineering more than it is anything. */
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232 #define CONSOLE_TTY_SUPPORTS_MULTIPLE_WIDTH(c) (1 != MAX_ICHAR_LEN)
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233 #define CONSOLE_TTY_MULTIPLE_WIDTH(c) \
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234 (CONSOLE_TTY_SUPPORTS_MULTIPLE_WIDTH(c) ? \
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235 CONSOLE_TTY_DATA (c)->multiple_width : (0))
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236
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872
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237 #define TTY_CM(c) (CONSOLE_TTY_DATA (c)->cm)
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238 #define TTY_SE(c) (CONSOLE_TTY_DATA (c)->se)
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239 #define TTY_SD(c) (CONSOLE_TTY_DATA (c)->sd)
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240 #define TTY_FLAGS(c) (CONSOLE_TTY_DATA (c)->flags)
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241 #define TTY_COST(c) (CONSOLE_TTY_DATA (c)->cost)
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242
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243 #define TTY_INC_CURSOR_X(c, n) do { \
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244 int TICX_n = (n); \
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245 assert (CONSOLE_TTY_CURSOR_X (c) == CONSOLE_TTY_REAL_CURSOR_X (c)); \
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246 CONSOLE_TTY_CURSOR_X (c) += TICX_n; \
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247 CONSOLE_TTY_REAL_CURSOR_X (c) += TICX_n; \
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248 } while (0)
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249
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250 #define TTY_INC_CURSOR_Y(c, n) do { \
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251 int TICY_n = (n); \
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252 CONSOLE_TTY_CURSOR_Y (c) += TICY_n; \
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253 CONSOLE_TTY_REAL_CURSOR_Y (c) += TICY_n; \
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254 } while (0)
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255
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256 struct tty_device
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257 {
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3092
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258 #ifdef NEW_GC
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259 struct lrecord_header header;
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260 #endif /* NEW_GC */
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872
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261 #ifdef HAVE_TERMIOS
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262 speed_t ospeed; /* Output speed (from sg_ospeed) */
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263 #else
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264 short ospeed; /* Output speed (from sg_ospeed) */
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265 #endif
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266 };
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267
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268 #ifdef NEW_GC
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269 typedef struct tty_device Lisp_Tty_Device;
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270
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271 DECLARE_LRECORD (tty_device, Lisp_Tty_Device);
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272
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273 #define XTTY_DEVICE(x) \
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274 XRECORD (x, tty_device, Lisp_Tty_Device)
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275 #define wrap_tty_device(p) wrap_record (p, tty_device)
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276 #define TTY_DEVICE_P(x) RECORDP (x, tty_device)
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277 #endif /* NEW_GC */
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278
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872
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279 #define DEVICE_TTY_DATA(d) DEVICE_TYPE_DATA (d, tty)
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280
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281 /* termcap requires this to be global */
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282 #ifndef HAVE_TERMIOS
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283 extern short ospeed; /* Output speed (from sg_ospeed) */
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284 #endif
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285
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286 #endif /* INCLUDED_console_tty_impl_h_ */
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