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428
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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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440
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32 #ifndef INCLUDED_console_tty_h_
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33 #define INCLUDED_console_tty_h_
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428
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34
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35 #include "console.h"
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36 #include "syssignal.h" /* Always include before systty.h */
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37 #include "systty.h"
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38
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39 DECLARE_CONSOLE_TYPE (tty);
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40
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41 struct tty_console
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42 {
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43 int infd, outfd;
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44 Lisp_Object instream, outstream;
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45 Lisp_Object terminal_type;
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46 Lisp_Object controlling_process;
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47 char *term_entry_buffer;
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48
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49 /* Physical location of cursor on this console. */
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50 int cursor_x;
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51 int cursor_y;
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52
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53 /* The real location of the cursor. The above physical location may
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54 be ahead of where we really are. */
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55 int real_cursor_x;
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56 int real_cursor_y;
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57
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58 int final_cursor_x;
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59 int final_cursor_y;
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60
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61 int height;
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62 int width;
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63
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64 /* The count of frame number. */
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65 int frame_count;
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66
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67 /* flags indicating presence, absence or value of various features */
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68 struct
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69 {
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70 unsigned int must_write_spaces :1; /* terminal inserts nulls, not
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71 spaces to fill whitespace on
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72 screen */
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73 unsigned int insert_mode_motion :1; /* cursor movement commands
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74 work while in insert mode */
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75 unsigned int standout_motion :1; /* cursor movement is graceful
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76 in standout or underline mode */
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77 unsigned int memory_above_frame :1; /* display retained above screen */
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78 unsigned int memory_below_frame :1; /* display retained below screen */
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79 unsigned int meta_key :2; /* 0 == mask off top bit;
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80 1 == top bit is meta;
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81 2 == top bit is useful as
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82 character info */
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83 unsigned int flow_control :1; /* Nonzero means use ^S/^Q as
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84 cretinous flow control. */
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85 int standout_width; /* # of spaces printed when
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86 change to standout mode */
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87 int underline_width; /* # of spaces printed when
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88 change to underline mode */
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89 } flags;
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90
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91 /* cursor motion entries - each entry is commented with the terminfo
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92 and the termcap entry */
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93 struct
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94 {
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95 /* local cursor movement */
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442
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96 const char *up; /* cuu1, up */
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97 const char *down; /* cud1, do */
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98 const char *left; /* cub1, le */
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99 const char *right; /* cuf1, nd */
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100 const char *home; /* home, ho */
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101 const char *low_left; /* ll, ll */
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102 const char *car_return; /* cr, cr */
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428
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103
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104 /* parameterized local cursor movement */
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442
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105 const char *multi_up; /* cuu, UP */
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106 const char *multi_down; /* cud, DO */
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107 const char *multi_left; /* cub, LE */
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108 const char *multi_right; /* cuf, RI */
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428
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109
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110 /* absolute cursor motion */
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442
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111 const char *abs; /* cup, cm */
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112 const char *hor_abs; /* hpa, ch */
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113 const char *ver_abs; /* vpa, cv */
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428
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114
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115 /* scrolling */
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442
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116 const char *scroll_forw; /* ind, sf */
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117 const char *scroll_back; /* ri, sr */
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118 const char *multi_scroll_forw; /* indn, SF */
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119 const char *multi_scroll_back; /* rin, SR */
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120 const char *set_scroll_region; /* csr, cs */
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428
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121 } cm;
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122
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123 /* screen editing entries - each entry is commented with the
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124 terminfo and the termcap entry */
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125 struct
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126 {
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127 /* adding to the screen */
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442
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128 const char *ins_line; /* il1, al */
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129 const char *multi_ins_line; /* il, AL */
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130 const char *repeat; /* rep, rp */
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131 const char *begin_ins_mode; /* smir, im */
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132 const char *end_ins_mode; /* rmir, ei */
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133 const char *ins_char; /* ich1, ic */
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134 const char *multi_ins_char; /* ich, IC */
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135 const char *insert_pad; /* ip, ip */
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428
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136
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137 /* deleting from the screen */
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442
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138 const char *clr_frame; /* clear, cl */
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139 const char *clr_from_cursor; /* ed, cd */
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140 const char *clr_to_eol; /* el, ce */
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141 const char *del_line; /* dl1, dl */
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142 const char *multi_del_line; /* dl, DL */
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143 const char *del_char; /* dch1, dc */
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144 const char *multi_del_char; /* dch, DC */
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145 const char *begin_del_mode; /* smdc, dm */
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146 const char *end_del_mode; /* rmdc, ed */
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147 const char *erase_at_cursor; /* ech, ec */
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428
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148 } se;
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149
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150 /* screen display entries - each entry is commented with the
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151 terminfo and termcap entry */
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152 struct
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153 {
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442
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154 const char *begin_standout; /* smso, so */
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155 const char *end_standout; /* rmso, se */
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156 const char *begin_underline; /* smul, us */
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157 const char *end_underline; /* rmul, ue */
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158 const char *begin_alternate; /* smacs, as */
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159 const char *end_alternate; /* rmacs, ae */
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428
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160
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442
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161 const char *turn_on_reverse; /* rev, mr */
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162 const char *turn_on_blinking; /* blink, mb */
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163 const char *turn_on_bold; /* bold, md */
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164 const char *turn_on_dim; /* dim, mh */
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165 const char *turn_off_attributes; /* sgr0, me */
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428
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166
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442
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167 const char *visual_bell; /* flash, vb */
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168 const char *audio_bell; /* bel, bl */
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428
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169
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442
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170 const char *cursor_visible; /* cvvis, vs */
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171 const char *cursor_normal; /* cnorm, ve */
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172 const char *init_motion; /* smcup, ti */
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173 const char *end_motion; /* rmcup, te */
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174 const char *keypad_on; /* smkx, ks */
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175 const char *keypad_off; /* rmkx, ke */
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428
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176
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442
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177 const char *orig_pair; /* op, op */
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428
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178 } sd;
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179
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180 /* costs of various operations */
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181 struct
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182 {
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183 int cm_up;
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184 int cm_down;
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185 int cm_left;
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186 int cm_right;
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187 int cm_home;
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188 int cm_low_left;
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189 int cm_car_return;
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190 int cm_abs;
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191 int cm_hor_abs;
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192 int cm_ver_abs;
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193 } cost;
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194
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195 /* The initial tty mode bits */
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196 struct emacs_tty old_tty;
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197
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198 /* Is this TTY our controlling terminal? */
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199 unsigned int controlling_terminal :1;
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200 unsigned int is_stdio :1;
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201 };
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202
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203 #define CONSOLE_TTY_DATA(c) CONSOLE_TYPE_DATA (c, tty)
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204 #define CONSOLE_TTY_CURSOR_X(c) (CONSOLE_TTY_DATA (c)->cursor_x)
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205 #define CONSOLE_TTY_CURSOR_Y(c) (CONSOLE_TTY_DATA (c)->cursor_y)
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206 #define CONSOLE_TTY_REAL_CURSOR_X(c) (CONSOLE_TTY_DATA (c)->real_cursor_x)
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207 #define CONSOLE_TTY_REAL_CURSOR_Y(c) (CONSOLE_TTY_DATA (c)->real_cursor_y)
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208 #define CONSOLE_TTY_FINAL_CURSOR_X(c) (CONSOLE_TTY_DATA (c)->final_cursor_x)
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209 #define CONSOLE_TTY_FINAL_CURSOR_Y(c) (CONSOLE_TTY_DATA (c)->final_cursor_y)
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210
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211 #define TTY_CM(c) (CONSOLE_TTY_DATA (c)->cm)
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212 #define TTY_SE(c) (CONSOLE_TTY_DATA (c)->se)
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213 #define TTY_SD(c) (CONSOLE_TTY_DATA (c)->sd)
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214 #define TTY_FLAGS(c) (CONSOLE_TTY_DATA (c)->flags)
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215 #define TTY_COST(c) (CONSOLE_TTY_DATA (c)->cost)
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216
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217 #define TTY_INC_CURSOR_X(c, n) do { \
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218 int TICX_n = (n); \
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219 assert (CONSOLE_TTY_CURSOR_X (c) == CONSOLE_TTY_REAL_CURSOR_X (c)); \
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220 CONSOLE_TTY_CURSOR_X (c) += TICX_n; \
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221 CONSOLE_TTY_REAL_CURSOR_X (c) += TICX_n; \
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222 } while (0)
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223
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224 #define TTY_INC_CURSOR_Y(c, n) do { \
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225 int TICY_n = (n); \
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226 CONSOLE_TTY_CURSOR_Y (c) += TICY_n; \
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227 CONSOLE_TTY_REAL_CURSOR_Y (c) += TICY_n; \
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228 } while (0)
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229
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230 struct tty_device
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231 {
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232 #ifdef HAVE_TERMIOS
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233 speed_t ospeed; /* Output speed (from sg_ospeed) */
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234 #else
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235 short ospeed; /* Output speed (from sg_ospeed) */
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236 #endif
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237 };
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238
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239 #define DEVICE_TTY_DATA(d) DEVICE_TYPE_DATA (d, tty)
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240
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241 /* termcap requires this to be global */
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242 #ifndef HAVE_TERMIOS
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243 extern short ospeed; /* Output speed (from sg_ospeed) */
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244 #endif
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245
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246 extern FILE *termscript;
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247
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248 EXFUN (Fconsole_tty_controlling_process, 1);
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249
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250 /****************** Prototypes from cm.c *******************/
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251
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252 /* #### Verify that all of these are still needed. */
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253
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254 void cm_cost_init (struct console *c);
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255 void cmputc (int c);
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256 void cmgoto (struct frame *f, int row, int col);
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257 extern struct console *cmputc_console;
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258 void send_string_to_tty_console (struct console *c, unsigned char *str,
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259 int len);
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260
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261
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262 /*************** Prototypes from redisplay-tty.c ****************/
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263
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264 enum term_init_status
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265 {
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266 TTY_UNABLE_OPEN_DATABASE,
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267 TTY_TYPE_UNDEFINED,
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268 TTY_TYPE_INSUFFICIENT,
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269 TTY_SIZE_UNSPECIFIED,
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270 TTY_INIT_SUCCESS
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271 };
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272
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273 int init_tty_for_redisplay (struct device *d, char *terminal_type);
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274 /* #### These should probably be methods. */
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275 void set_tty_modes (struct console *c);
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276 void reset_tty_modes (struct console *c);
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277
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278 /* Used in sysdep.c to properly clear and position the cursor when exiting. */
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279 void tty_redisplay_shutdown (struct console *c);
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280
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281 /* called from console-stream.c */
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282 Lisp_Object tty_semi_canonicalize_console_connection (Lisp_Object connection,
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578
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283 Error_Behavior errb);
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428
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284 Lisp_Object tty_canonicalize_console_connection (Lisp_Object connection,
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578
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285 Error_Behavior errb);
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428
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286 Lisp_Object tty_semi_canonicalize_device_connection (Lisp_Object connection,
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578
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287 Error_Behavior errb);
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428
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288 Lisp_Object tty_canonicalize_device_connection (Lisp_Object connection,
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578
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289 Error_Behavior errb);
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428
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290 struct console * tty_find_console_from_fd (int fd);
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291
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440
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292 #endif /* INCLUDED_console_tty_h_ */
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