0
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1 /* MS-DOS specific C utilities.
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2 Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.30. */
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22
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23 /* Contributed by Morten Welinder */
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24 /* New display, keyboard, and mouse control by Kim F. Storm */
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25
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26 /* Note: some of the stuff here was taken from end of sysdep.c in demacs. */
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27
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28 #define DONT_ENCAPSULATE
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29
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30 #include <config.h>
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31
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32 #ifdef MSDOS
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33 #include <sys/param.h>
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34 #include <sys/time.h>
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35 #include <dos.h>
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36 #include "lisp.h"
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37 #include "dosfns.h"
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38 #include "msdos.h"
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39 #include "redisplay.h"
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40 #include "systime.h"
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41 #include "termhooks.h"
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42 #include "frame.h"
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43 #include "window.h"
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44 #include <go32.h>
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45 #include <pc.h>
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46
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47 static unsigned long
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48 event_timestamp (void)
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49 {
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50 struct time t;
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51 unsigned long s;
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52
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53 gettime (&t);
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54 s = t.ti_min;
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55 s *= 60;
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56 s += t.ti_sec;
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57 s *= 1000;
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58 s += t.ti_hund * 10;
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59
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60 return s;
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61 }
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62
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63
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64 /* ------------------------ Mouse control ---------------------------
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65 *
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66 * Coordinates are in screen positions and zero based.
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67 * Mouse buttons are numbered from left to right and also zero based.
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68 */
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69
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70 int have_mouse; /* 0: no, 1: enabled, -1: disabled */
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71 static int mouse_visible;
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72
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73 static int mouse_last_x;
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74 static int mouse_last_y;
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75
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76 static int mouse_button_translate[NUM_MOUSE_BUTTONS];
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77 static int mouse_button_count;
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78
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79 void
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80 mouse_on (void)
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81 {
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82 union REGS regs;
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83
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84 if (have_mouse > 0 && !mouse_visible)
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85 {
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86 if (termscript)
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87 fprintf (termscript, "<M_ON>");
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88 regs.x.ax = 0x0001;
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89 int86 (0x33, ®s, ®s);
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90 mouse_visible = 1;
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91 }
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92 }
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93
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94 void
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95 mouse_off (void)
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96 {
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97 union REGS regs;
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98
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99 if (have_mouse > 0 && mouse_visible)
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100 {
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101 if (termscript)
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102 fprintf (termscript, "<M_OFF>");
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103 regs.x.ax = 0x0002;
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104 int86 (0x33, ®s, ®s);
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105 mouse_visible = 0;
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106 }
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107 }
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108
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109 void
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110 mouse_moveto (int x, int y)
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111 {
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112 union REGS regs;
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113
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114 if (termscript)
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115 fprintf (termscript, "<M_XY=%dx%d>", x, y);
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116 regs.x.ax = 0x0004;
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117 mouse_last_x = regs.x.cx = x * 8;
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118 mouse_last_y = regs.x.dx = y * 8;
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119 int86 (0x33, ®s, ®s);
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120 }
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121
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122 static int
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123 mouse_pressed (int b, int *xp, int *yp)
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124 {
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125 union REGS regs;
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126
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127 if (b >= mouse_button_count)
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128 return 0;
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129 regs.x.ax = 0x0005;
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130 regs.x.bx = mouse_button_translate[b];
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131 int86 (0x33, ®s, ®s);
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132 if (regs.x.bx)
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133 *xp = regs.x.cx / 8, *yp = regs.x.dx / 8;
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134 return (regs.x.bx != 0);
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135 }
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136
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137 static int
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138 mouse_released (int b, int *xp, int *yp)
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139 {
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140 union REGS regs;
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141
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142 if (b >= mouse_button_count)
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143 return 0;
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144 regs.x.ax = 0x0006;
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145 regs.x.bx = mouse_button_translate[b];
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146 int86 (0x33, ®s, ®s);
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147 if (regs.x.bx)
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148 *xp = regs.x.cx / 8, *yp = regs.x.dx / 8;
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149 return (regs.x.bx != 0);
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150 }
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151
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152 static void
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153 mouse_get_xy (int *x, int *y)
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154 {
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155 union REGS regs;
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156
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157 regs.x.ax = 0x0003;
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158 int86 (0x33, ®s, ®s);
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159 *x = regs.x.cx / 8;
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160 *y = regs.x.dx / 8;
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161 }
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162
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163 void
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164 mouse_get_pos (FRAME_PTR *f, int insist, Lisp_Object *bar_window,
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165 Lisp_Object *x, Lisp_Object *y, enum scroll_bar_part *part,
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166 unsigned long *time)
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167 {
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168 int ix, iy;
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169 union REGS regs;
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170
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171 regs.x.ax = 0x0003;
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172 int86 (0x33, ®s, ®s);
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173 *f = selected_frame;
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174 *bar_window = Qnil;
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175 mouse_get_xy (&ix, &iy);
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176 selected_frame->mouse_moved = 0;
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177 *x = make_int (ix);
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178 *y = make_int (iy);
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179 *time = event_timestamp ();
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180 }
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181
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182 static void
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183 mouse_check_moved (void)
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184 {
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185 int x, y;
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186
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187 mouse_get_xy (&x, &y);
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188 selected_frame->mouse_moved |= (x != mouse_last_x || y != mouse_last_y);
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189 mouse_last_x = x;
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190 mouse_last_y = y;
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191 }
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192
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193 void
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194 mouse_init (void)
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195 {
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196 union REGS regs;
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197
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198 if (termscript)
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199 fprintf (termscript, "<M_INIT>");
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200
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201 regs.x.ax = 0x0021;
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202 int86 (0x33, ®s, ®s);
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203
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204 regs.x.ax = 0x0007;
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205 regs.x.cx = 0;
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206 regs.x.dx = 8 * (ScreenCols () - 1);
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207 int86 (0x33, ®s, ®s);
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208
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209 regs.x.ax = 0x0008;
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210 regs.x.cx = 0;
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211 regs.x.dx = 8 * (ScreenRows () - 1);
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212 int86 (0x33, ®s, ®s);
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213
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214 mouse_moveto (0, 0);
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215 mouse_visible = 0;
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216 }
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217
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218 /* ------------------------- Screen control ----------------------
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219 *
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220 */
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221
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222 static int internal_terminal = 0;
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223
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224 #ifndef HAVE_X_WINDOWS
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225 extern unsigned char ScreenAttrib;
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226 static int screen_face;
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227 static int highlight;
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228
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229 static int screen_size_X;
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230 static int screen_size_Y;
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231 static int screen_size;
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232
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233 static int current_pos_X;
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234 static int current_pos_Y;
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235 static int new_pos_X;
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236 static int new_pos_Y;
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237
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238 static void *startup_screen_buffer;
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239 static int startup_screen_size_X;
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240 static int startup_screen_size_Y;
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241 static int startup_pos_X;
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242 static int startup_pos_Y;
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243
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244 static int term_setup_done;
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245
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246 /* Similar to the_only_frame. */
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247 struct x_output the_only_x_display;
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248
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249 /* This is never dereferenced. */
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250 Display *x_current_display;
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251
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252
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253 #define SCREEN_SET_CURSOR() \
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254 if (current_pos_X != new_pos_X || current_pos_Y != new_pos_Y) \
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255 ScreenSetCursor (current_pos_Y = new_pos_Y, current_pos_X = new_pos_X)
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256
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257 static
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258 dos_direct_output (int y, int x, char *buf, int len)
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259 {
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260 int t = (int) ScreenPrimary + 2 * (x + y * screen_size_X);
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261
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262 while (--len >= 0) {
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263 dosmemput (buf++, 1, t);
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264 t += 2;
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265 }
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266 }
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267 #endif
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268
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269 /* Flash the screen as a substitute for BEEPs. */
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270
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271 #if (__DJGPP__ < 2)
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272 static void
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273 do_visible_bell (unsigned char xorattr)
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274 {
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275 asm volatile
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276 (" movb $1,%%dl
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277 visible_bell_0:
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278 movl _ScreenPrimary,%%eax
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279 call dosmemsetup
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280 movl %%eax,%%ebx
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281 movl %1,%%ecx
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282 movb %0,%%al
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283 incl %%ebx
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284 visible_bell_1:
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285 xorb %%al,%%gs:(%%ebx)
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286 addl $2,%%ebx
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287 decl %%ecx
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288 jne visible_bell_1
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289 decb %%dl
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290 jne visible_bell_3
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291 visible_bell_2:
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292 movzwl %%ax,%%eax
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293 movzwl %%ax,%%eax
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294 movzwl %%ax,%%eax
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295 movzwl %%ax,%%eax
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296 decw %%cx
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297 jne visible_bell_2
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298 jmp visible_bell_0
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299 visible_bell_3:"
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300 : /* no output */
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301 : "m" (xorattr), "g" (screen_size)
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302 : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx");
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303 }
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304
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305 static void
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306 ScreenVisualBell (void)
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307 {
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308 /* This creates an xor-mask that will swap the default fore- and
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309 background colors. */
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310 do_visible_bell (((the_only_x_display.foreground_pixel
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311 ^ the_only_x_display.background_pixel)
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312 * 0x11) & 0x7f);
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313 }
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314 #endif
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315
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316 #ifndef HAVE_X_WINDOWS
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317
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318 /*
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319 * If we write a character in the position where the mouse is,
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320 * the mouse cursor may need to be refreshed.
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321 */
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322
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323 static void
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324 mouse_off_maybe (void)
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325 {
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326 int x, y;
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327
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328 if (!mouse_visible)
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329 return;
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330
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331 mouse_get_xy (&x, &y);
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332 if (y != new_pos_Y || x < new_pos_X)
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333 return;
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334
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335 mouse_off ();
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336 }
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337
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338 static
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339 IT_ring_bell (void)
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340 {
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341 if (visible_bell)
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342 {
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343 mouse_off ();
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344 ScreenVisualBell ();
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345 }
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346 else
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347 {
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348 union REGS inregs, outregs;
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349 inregs.h.ah = 2;
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350 inregs.h.dl = 7;
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351 intdos (&inregs, &outregs);
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352 }
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353 }
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354
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355 static void
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356 IT_set_face (int face)
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357 {
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358 struct face *fp;
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359 extern struct face *intern_face (/* FRAME_PTR, struct face * */);
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360
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361 if (face == 1 || (face == 0 && highlight))
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362 fp = FRAME_MODE_LINE_FACE (foo);
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363 else if (face <= 0 || face >= FRAME_N_COMPUTED_FACES (foo))
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364 fp = FRAME_DEFAULT_FACE (foo);
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365 else
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366 fp = intern_face (selected_frame, FRAME_COMPUTED_FACES (foo)[face]);
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367 if (termscript)
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368 fprintf (termscript, "<FACE:%d:%d>", FACE_FOREGROUND (fp), FACE_BACKGROUND (fp));
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369 screen_face = face;
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370 ScreenAttrib = (FACE_BACKGROUND (fp) << 4) | FACE_FOREGROUND (fp);
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371 }
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372
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373 static
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374 IT_write_glyphs (GLYPH *str, int len)
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375 {
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376 int newface;
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377 int ch, l = len;
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378 unsigned char *buf, *bp;
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379
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380 if (len == 0) return;
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381
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382 buf = bp = alloca (len * 2);
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383
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384 while (--l >= 0)
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385 {
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386 newface = FAST_GLYPH_FACE (*str);
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387 if (newface != screen_face)
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388 IT_set_face (newface);
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389 ch = FAST_GLYPH_CHAR (*str);
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390 *bp++ = (unsigned char)ch;
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391 *bp++ = ScreenAttrib;
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392
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393 if (termscript)
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394 fputc (ch, termscript);
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395 str++;
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396 }
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397
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398 mouse_off_maybe ();
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399 dosmemput (buf, 2 * len,
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400 (int)ScreenPrimary + 2 * (new_pos_X + screen_size_X * new_pos_Y));
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401 new_pos_X += len;
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402 }
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403
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404 static
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405 IT_clear_end_of_line (int first_unused)
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406 {
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407 char *spaces, *sp;
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408 int i, j;
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409
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410 IT_set_face (0);
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411 if (termscript)
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412 fprintf (termscript, "<CLR:EOL>");
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413 i = (j = screen_size_X - new_pos_X) * 2;
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414 spaces = sp = alloca (i);
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415
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416 while (--j >= 0)
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417 {
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418 *sp++ = ' ';
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419 *sp++ = ScreenAttrib;
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420 }
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421
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422 mouse_off_maybe ();
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423 dosmemput (spaces, i,
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424 (int)ScreenPrimary + 2 * (new_pos_X + screen_size_X * new_pos_Y));
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425 }
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426
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427 static
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428 IT_clear_screen (void)
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429 {
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430 if (termscript)
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431 fprintf (termscript, "<CLR:SCR>");
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432 IT_set_face (0);
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433 mouse_off ();
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434 ScreenClear ();
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435 new_pos_X = new_pos_Y = 0;
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436 }
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437
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438 static
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439 IT_clear_to_end (void)
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440 {
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441 if (termscript)
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442 fprintf (termscript, "<CLR:EOS>");
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443
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444 while (new_pos_Y < screen_size_Y) {
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445 new_pos_X = 0;
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446 IT_clear_end_of_line (0);
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447 new_pos_Y++;
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448 }
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449 }
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450
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451 static
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452 IT_cursor_to (int y, int x)
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453 {
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454 if (termscript)
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455 fprintf (termscript, "\n<XY=%dx%d>", x, y);
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456 new_pos_X = x;
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457 new_pos_Y = y;
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458 }
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459
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460 static
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461 IT_reassert_line_highlight (int new, int vpos)
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462 {
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463 highlight = new;
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464 IT_set_face (0); /* To possibly clear the highlighting. */
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465 }
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466
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467 static
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468 IT_change_line_highlight (int new_highlight, int vpos, int first_unused_hpos)
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469 {
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470 highlight = new_highlight;
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471 IT_set_face (0); /* To possibly clear the highlighting. */
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472 IT_cursor_to (vpos, 0);
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473 IT_clear_end_of_line (first_unused_hpos);
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474 }
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475
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476 static
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477 IT_update_begin (void)
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478 {
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479 highlight = 0;
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480 IT_set_face (0); /* To possibly clear the highlighting. */
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481 screen_face = -1;
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482 }
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483
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484 static
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485 IT_update_end (void)
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486 {
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487 }
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488
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489 /* This was more or less copied from xterm.c */
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490 static void
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491 IT_set_menu_bar_lines (Lisp_Object window, int n)
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492 {
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493 struct window *w = XWINDOW (window);
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494
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495 XSETINT (w->last_modified, 0);
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496 XSETINT (w->top, XINT (w->top) + n);
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497 XSETINT (w->height, XINT (w->height) - n);
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498
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499 /* Handle just the top child in a vertical split. */
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500 if (!NILP (w->vchild))
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501 IT_set_menu_bar_lines (w->vchild, n);
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502
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503 /* Adjust all children in a horizontal split. */
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504 for (window = w->hchild; !NILP (window); window = w->next)
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505 {
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506 w = XWINDOW (window);
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507 IT_set_menu_bar_lines (window, n);
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508 }
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509 }
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510
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511 /*
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512 * IT_set_terminal_modes is called when emacs is started,
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513 * resumed, and whenever the screen is redrawn!
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514 */
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515
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516 static
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517 IT_set_terminal_modes (void)
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518 {
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519 char *colors;
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520 FRAME_PTR f;
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521 struct face *fp;
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522
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523 if (termscript)
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524 fprintf (termscript, "\n<SET_TERM>");
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|
525 highlight = 0;
|
|
526
|
|
527 screen_size_X = ScreenCols ();
|
|
528 screen_size_Y = ScreenRows ();
|
|
529 screen_size = screen_size_X * screen_size_Y;
|
|
530
|
|
531 new_pos_X = new_pos_Y = 0;
|
|
532 current_pos_X = current_pos_Y = -1;
|
|
533
|
|
534 if (term_setup_done)
|
|
535 return;
|
|
536 term_setup_done = 1;
|
|
537
|
|
538 startup_screen_size_X = screen_size_X;
|
|
539 startup_screen_size_Y = screen_size_Y;
|
|
540
|
|
541 ScreenGetCursor (&startup_pos_Y, &startup_pos_X);
|
|
542 ScreenRetrieve (startup_screen_buffer = xmalloc (screen_size * 2));
|
|
543
|
|
544 if (termscript)
|
|
545 fprintf (termscript, "<SCREEN SAVED>\n");
|
|
546 }
|
|
547
|
|
548 /*
|
|
549 * IT_reset_terminal_modes is called when emacs is
|
|
550 * suspended or killed.
|
|
551 */
|
|
552
|
|
553 static
|
|
554 IT_reset_terminal_modes (void)
|
|
555 {
|
|
556 if (termscript)
|
|
557 fprintf (termscript, "\n<RESET_TERM>");
|
|
558
|
|
559 highlight = 0;
|
|
560
|
|
561 if (!term_setup_done)
|
|
562 return;
|
|
563
|
|
564 ScreenUpdate (startup_screen_buffer);
|
|
565 ScreenSetCursor (startup_pos_Y, startup_pos_X);
|
|
566 xfree (startup_screen_buffer);
|
|
567
|
|
568 if (termscript)
|
|
569 fprintf (termscript, "<SCREEN RESTORED>\n");
|
|
570
|
|
571 term_setup_done = 0;
|
|
572 }
|
|
573
|
|
574 static
|
|
575 IT_set_terminal_window (void)
|
|
576 {
|
|
577 }
|
|
578
|
|
579 void
|
|
580 IT_set_frame_parameters (FRAME_PTR frame, Lisp_Object alist)
|
|
581 {
|
|
582 Lisp_Object tail;
|
|
583 int redraw;
|
|
584 extern unsigned long load_color ();
|
|
585 FRAME_PTR f = (FRAME_PTR) &the_only_frame;
|
|
586
|
|
587 redraw = 0;
|
|
588 for (tail = alist; CONSP (tail); tail = Fcdr (tail))
|
|
589 {
|
|
590 Lisp_Object elt, prop, val;
|
|
591
|
|
592 elt = Fcar (tail);
|
|
593 prop = Fcar (elt);
|
|
594 val = Fcdr (elt);
|
|
595 CHECK_SYMBOL (prop);
|
|
596
|
|
597 if (EQ (prop, intern ("foreground-color")))
|
|
598 {
|
|
599 unsigned long new_color = load_color (f, val);
|
|
600 if (new_color != ~0)
|
|
601 {
|
|
602 FRAME_FOREGROUND_PIXEL (f) = new_color;
|
|
603 redraw = 1;
|
|
604 }
|
|
605 }
|
|
606 else if (EQ (prop, intern ("background-color")))
|
|
607 {
|
|
608 unsigned long new_color = load_color (f, val);
|
|
609 if (new_color != ~0)
|
|
610 {
|
|
611 FRAME_BACKGROUND_PIXEL (f) = new_color & ~8;
|
|
612 redraw = 1;
|
|
613 }
|
|
614 }
|
|
615 else if (EQ (prop, intern ("menu-bar-lines")))
|
|
616 {
|
|
617 int new;
|
|
618 int old = FRAME_MENU_BAR_LINES (the_only_frame);
|
|
619
|
|
620 if (INTEGERP (val))
|
|
621 new = XINT (val);
|
|
622 else
|
|
623 new = 0;
|
|
624 FRAME_MENU_BAR_LINES (f) = new;
|
|
625 IT_set_menu_bar_lines (the_only_frame.root_window, new - old);
|
|
626 }
|
|
627 }
|
|
628
|
|
629 if (redraw)
|
|
630 {
|
|
631 recompute_basic_faces (f);
|
|
632 Fredraw_frame (Fselected_frame (Qnil), Qnil);
|
|
633 }
|
|
634 }
|
|
635
|
|
636 #endif /* !HAVE_X_WINDOWS */
|
|
637
|
|
638
|
|
639 /* Do we need the internal terminal? */
|
|
640 void
|
|
641 internal_terminal_init (void)
|
|
642 {
|
|
643 char *term = getenv ("TERM");
|
|
644 char *colors;
|
|
645
|
|
646 #ifdef HAVE_X_WINDOWS
|
|
647 if (!inhibit_window_system)
|
|
648 return;
|
|
649 #endif
|
|
650
|
|
651 internal_terminal
|
|
652 = (!noninteractive) && term && !strcmp (term, "internal");
|
|
653
|
|
654 if (getenv ("EMACSTEST"))
|
|
655 termscript = fopen (getenv ("EMACSTEST"), "wt");
|
|
656
|
|
657 #ifndef HAVE_X_WINDOWS
|
|
658 if (!internal_terminal || inhibit_window_system)
|
|
659 {
|
|
660 the_only_frame.output_method = output_termcap;
|
|
661 return;
|
|
662 }
|
|
663
|
|
664 Vwindow_system = intern ("pc");
|
|
665
|
|
666 bzero (&the_only_x_display, sizeof the_only_x_display);
|
|
667 the_only_x_display.background_pixel = 7; /* White */
|
|
668 the_only_x_display.foreground_pixel = 0; /* Black */
|
|
669 colors = getenv ("EMACSCOLORS");
|
|
670 if (colors && strlen (colors) >= 2)
|
|
671 {
|
|
672 the_only_x_display.foreground_pixel = colors[0] & 0x07;
|
|
673 the_only_x_display.background_pixel = colors[1] & 0x07;
|
|
674 }
|
|
675 the_only_x_display.line_height = 1;
|
|
676 the_only_frame.output_data.x = &the_only_x_display;
|
|
677 the_only_frame.output_method = output_msdos_raw;
|
|
678 the_only_x_display.font = (XFontStruct *)1; /* must *not* be zero */
|
|
679
|
|
680 init_frame_faces ((FRAME_PTR) &the_only_frame);
|
|
681
|
|
682 ring_bell_hook = IT_ring_bell;
|
|
683 write_glyphs_hook = IT_write_glyphs;
|
|
684 cursor_to_hook = raw_cursor_to_hook = IT_cursor_to;
|
|
685 clear_to_end_hook = IT_clear_to_end;
|
|
686 clear_end_of_line_hook = IT_clear_end_of_line;
|
|
687 clear_frame_hook = IT_clear_screen;
|
|
688 change_line_highlight_hook = IT_change_line_highlight;
|
|
689 update_begin_hook = IT_update_begin;
|
|
690 update_end_hook = IT_update_end;
|
|
691 reassert_line_highlight_hook = IT_reassert_line_highlight;
|
|
692
|
|
693 /* These hooks are called by term.c without being checked. */
|
|
694 set_terminal_modes_hook = IT_set_terminal_modes;
|
|
695 reset_terminal_modes_hook = IT_reset_terminal_modes;
|
|
696 set_terminal_window_hook = IT_set_terminal_window;
|
|
697 #endif
|
|
698 }
|
|
699
|
|
700 dos_get_saved_screen (char **screen, int *rows, int *cols)
|
|
701 {
|
|
702 #ifndef HAVE_X_WINDOWS
|
|
703 *screen = startup_screen_buffer;
|
|
704 *cols = startup_screen_size_X;
|
|
705 *rows = startup_screen_size_Y;
|
|
706 return 1;
|
|
707 #else
|
|
708 return 0;
|
|
709 #endif
|
|
710 }
|
|
711
|
|
712
|
|
713
|
|
714 /* ----------------------- Keyboard control ----------------------
|
|
715 *
|
|
716 * Keymaps reflect the following keyboard layout:
|
|
717 *
|
|
718 * 0 1 2 3 4 5 6 7 8 9 10 11 12 BS
|
|
719 * TAB 15 16 17 18 19 20 21 22 23 24 25 26 (41)
|
|
720 * CLOK 30 31 32 33 34 35 36 37 38 39 40 (41) RET
|
|
721 * SH () 45 46 47 48 49 50 51 52 53 54 SHIFT
|
|
722 * SPACE
|
|
723 */
|
|
724
|
|
725 static int extended_kbd; /* 101 (102) keyboard present. */
|
|
726
|
|
727 struct dos_keyboard_map
|
|
728 {
|
|
729 char *unshifted;
|
|
730 char *shifted;
|
|
731 char *alt_gr;
|
|
732 };
|
|
733
|
|
734
|
|
735 static struct dos_keyboard_map us_keyboard = {
|
|
736 /* 0 1 2 3 4 5 */
|
|
737 /* 01234567890123456789012345678901234567890 12345678901234 */
|
|
738 "`1234567890-= qwertyuiop[] asdfghjkl;'\\ zxcvbnm,./ ",
|
|
739 /* 0123456789012345678901234567890123456789 012345678901234 */
|
|
740 "~!@#$%^&*()_+ QWERTYUIOP{} ASDFGHJKL:\"| ZXCVBNM<>? ",
|
|
741 0 /* no Alt-Gr key */
|
|
742 };
|
|
743
|
|
744 static struct dos_keyboard_map fr_keyboard = {
|
|
745 /* 0 1 2 3 4 5 */
|
|
746 /* 012 3456789012345678901234567890123456789012345678901234 */
|
|
747 "ý&‚\",(-Š_€…)= azertyuiop^$ qsdfghjklm—* wxcvbnm;:! ",
|
|
748 /* 0123456789012345678901234567890123456789012345678901234 */
|
|
749 " 1234567890ø+ AZERTYUIOPùœ QSDFGHJKLM%æ WXCVBN?./õ ",
|
|
750 /* 01234567 89012345678901234567890123456789012345678901234 */
|
|
751 " ~#{[|`\\^@]} Ï "
|
|
752 };
|
|
753
|
|
754 static struct dos_keyboard_map dk_keyboard = {
|
|
755 /* 0 1 2 3 4 5 */
|
|
756 /* 0123456789012345678901234567890123456789012345678901234 */
|
|
757 "«1234567890+| qwertyuiop†~ asdfghjkl‘›' zxcvbnm,.- ",
|
|
758 /* 01 23456789012345678901234567890123456789012345678901234 */
|
|
759 "õ!\"#$%&/()=?` QWERTYUIOP^ ASDFGHJKL’* ZXCVBNM;:_ ",
|
|
760 /* 0123456789012345678901234567890123456789012345678901234 */
|
|
761 " @œ$ {[]} | "
|
|
762 };
|
|
763
|
|
764 static struct keyboard_layout_list
|
|
765 {
|
|
766 int country_code;
|
|
767 struct dos_keyboard_map *keyboard_map;
|
|
768 } keyboard_layout_list[] =
|
|
769 {
|
|
770 1, &us_keyboard,
|
|
771 33, &fr_keyboard,
|
|
772 45, &dk_keyboard
|
|
773 };
|
|
774
|
|
775 static struct dos_keyboard_map *keyboard;
|
|
776 static int keyboard_map_all;
|
|
777
|
|
778 int
|
|
779 dos_set_keyboard (int code, int always)
|
|
780 {
|
|
781 int i;
|
|
782
|
|
783 /* Initialize to US settings, for countries that don't have their own. */
|
|
784 keyboard = keyboard_layout_list[0].keyboard_map;
|
|
785 keyboard_map_all = always;
|
|
786 dos_keyboard_layout = 1;
|
|
787
|
|
788 for (i = 0; i < (sizeof (keyboard_layout_list)/sizeof (struct keyboard_layout_list)); i++)
|
|
789 if (code == keyboard_layout_list[i].country_code)
|
|
790 {
|
|
791 keyboard = keyboard_layout_list[i].keyboard_map;
|
|
792 keyboard_map_all = always;
|
|
793 dos_keyboard_layout = code;
|
|
794 return 1;
|
|
795 }
|
|
796 return 0;
|
|
797 }
|
|
798
|
|
799 #define Ignore 0x0000
|
|
800 #define Normal 0x0000 /* normal key - alt changes scan-code */
|
|
801 #define FctKey 0x1000 /* func key if c == 0, else c */
|
|
802 #define Special 0x2000 /* func key even if c != 0 */
|
|
803 #define ModFct 0x3000 /* special if mod-keys, else 'c' */
|
|
804 #define Map 0x4000 /* alt scan-code, map to unshift/shift key */
|
|
805 #define KeyPad 0x5000 /* map to insert/kp-0 depending on c == 0xe0 */
|
|
806 #define Grey 0x6000 /* Grey keypad key */
|
|
807
|
|
808 #define Alt 0x0100 /* alt scan-code */
|
|
809 #define Ctrl 0x0200 /* ctrl scan-code */
|
|
810 #define Shift 0x0400 /* shift scan-code */
|
|
811
|
|
812 static struct
|
|
813 {
|
|
814 unsigned char char_code; /* normal code */
|
|
815 unsigned char meta_code; /* M- code */
|
|
816 unsigned char keypad_code; /* keypad code */
|
|
817 unsigned char editkey_code; /* edit key */
|
|
818 } keypad_translate_map[] = {
|
|
819 '0', '0', 0xb0, /* kp-0 */ 0x63, /* insert */
|
|
820 '1', '1', 0xb1, /* kp-1 */ 0x57, /* end */
|
|
821 '2', '2', 0xb2, /* kp-2 */ 0x54, /* down */
|
|
822 '3', '3', 0xb3, /* kp-3 */ 0x56, /* next */
|
|
823 '4', '4', 0xb4, /* kp-4 */ 0x51, /* left */
|
|
824 '5', '5', 0xb5, /* kp-5 */ 0xb5, /* kp-5 */
|
|
825 '6', '6', 0xb6, /* kp-6 */ 0x53, /* right */
|
|
826 '7', '7', 0xb7, /* kp-7 */ 0x50, /* home */
|
|
827 '8', '8', 0xb8, /* kp-8 */ 0x52, /* up */
|
|
828 '9', '9', 0xb9, /* kp-9 */ 0x55, /* prior */
|
|
829 '.', '-', 0xae, /* kp-decimal */ 0xff /* delete */
|
|
830 };
|
|
831
|
|
832 static struct
|
|
833 {
|
|
834 unsigned char char_code; /* normal code */
|
|
835 unsigned char keypad_code; /* keypad code */
|
|
836 } grey_key_translate_map[] = {
|
|
837 '/', 0xaf, /* kp-decimal */
|
|
838 '*', 0xaa, /* kp-multiply */
|
|
839 '-', 0xad, /* kp-subtract */
|
|
840 '+', 0xab, /* kp-add */
|
|
841 '\r', 0x8d /* kp-enter */
|
|
842 };
|
|
843
|
|
844 static unsigned short
|
|
845 ibmpc_translate_map[] =
|
|
846 {
|
|
847 /* --------------- 00 to 0f --------------- */
|
|
848 Normal | 0xff, /* Ctrl Break + Alt-NNN */
|
|
849 Alt | ModFct | 0x1b, /* Escape */
|
|
850 Normal | 1, /* '1' */
|
|
851 Normal | 2, /* '2' */
|
|
852 Normal | 3, /* '3' */
|
|
853 Normal | 4, /* '4' */
|
|
854 Normal | 5, /* '5' */
|
|
855 Normal | 6, /* '6' */
|
|
856 Normal | 7, /* '7' */
|
|
857 Normal | 8, /* '8' */
|
|
858 Normal | 9, /* '9' */
|
|
859 Normal | 10, /* '0' */
|
|
860 Normal | 11, /* '-' */
|
|
861 Normal | 12, /* '=' */
|
|
862 Special | 0x08, /* Backspace */
|
|
863 ModFct | 0x74, /* Tab/Backtab */
|
|
864
|
|
865 /* --------------- 10 to 1f --------------- */
|
|
866 Map | 15, /* 'q' */
|
|
867 Map | 16, /* 'w' */
|
|
868 Map | 17, /* 'e' */
|
|
869 Map | 18, /* 'r' */
|
|
870 Map | 19, /* 't' */
|
|
871 Map | 20, /* 'y' */
|
|
872 Map | 21, /* 'u' */
|
|
873 Map | 22, /* 'i' */
|
|
874 Map | 23, /* 'o' */
|
|
875 Map | 24, /* 'p' */
|
|
876 Map | 25, /* '[' */
|
|
877 Map | 26, /* ']' */
|
|
878 ModFct | 0x0d, /* Return */
|
|
879 Ignore, /* Ctrl */
|
|
880 Map | 30, /* 'a' */
|
|
881 Map | 31, /* 's' */
|
|
882
|
|
883 /* --------------- 20 to 2f --------------- */
|
|
884 Map | 32, /* 'd' */
|
|
885 Map | 33, /* 'f' */
|
|
886 Map | 34, /* 'g' */
|
|
887 Map | 35, /* 'h' */
|
|
888 Map | 36, /* 'j' */
|
|
889 Map | 37, /* 'k' */
|
|
890 Map | 38, /* 'l' */
|
|
891 Map | 39, /* ';' */
|
|
892 Map | 40, /* '\'' */
|
|
893 Map | 0, /* '`' */
|
|
894 Ignore, /* Left shift */
|
|
895 Map | 41, /* '\\' */
|
|
896 Map | 45, /* 'z' */
|
|
897 Map | 46, /* 'x' */
|
|
898 Map | 47, /* 'c' */
|
|
899 Map | 48, /* 'v' */
|
|
900
|
|
901 /* --------------- 30 to 3f --------------- */
|
|
902 Map | 49, /* 'b' */
|
|
903 Map | 50, /* 'n' */
|
|
904 Map | 51, /* 'm' */
|
|
905 Map | 52, /* ',' */
|
|
906 Map | 53, /* '.' */
|
|
907 Map | 54, /* '/' */
|
|
908 Ignore, /* Right shift */
|
|
909 Grey | 1, /* Grey * */
|
|
910 Ignore, /* Alt */
|
|
911 Normal | ' ', /* ' ' */
|
|
912 Ignore, /* Caps Lock */
|
|
913 FctKey | 0xbe, /* F1 */
|
|
914 FctKey | 0xbf, /* F2 */
|
|
915 FctKey | 0xc0, /* F3 */
|
|
916 FctKey | 0xc1, /* F4 */
|
|
917 FctKey | 0xc2, /* F5 */
|
|
918
|
|
919 /* --------------- 40 to 4f --------------- */
|
|
920 FctKey | 0xc3, /* F6 */
|
|
921 FctKey | 0xc4, /* F7 */
|
|
922 FctKey | 0xc5, /* F8 */
|
|
923 FctKey | 0xc6, /* F9 */
|
|
924 FctKey | 0xc7, /* F10 */
|
|
925 Ignore, /* Num Lock */
|
|
926 Ignore, /* Scroll Lock */
|
|
927 KeyPad | 7, /* Home */
|
|
928 KeyPad | 8, /* Up */
|
|
929 KeyPad | 9, /* Page Up */
|
|
930 Grey | 2, /* Grey - */
|
|
931 KeyPad | 4, /* Left */
|
|
932 KeyPad | 5, /* Keypad 5 */
|
|
933 KeyPad | 6, /* Right */
|
|
934 Grey | 3, /* Grey + */
|
|
935 KeyPad | 1, /* End */
|
|
936
|
|
937 /* --------------- 50 to 5f --------------- */
|
|
938 KeyPad | 2, /* Down */
|
|
939 KeyPad | 3, /* Page Down */
|
|
940 KeyPad | 0, /* Insert */
|
|
941 KeyPad | 10, /* Delete */
|
|
942 Shift | FctKey | 0xbe, /* (Shift) F1 */
|
|
943 Shift | FctKey | 0xbf, /* (Shift) F2 */
|
|
944 Shift | FctKey | 0xc0, /* (Shift) F3 */
|
|
945 Shift | FctKey | 0xc1, /* (Shift) F4 */
|
|
946 Shift | FctKey | 0xc2, /* (Shift) F5 */
|
|
947 Shift | FctKey | 0xc3, /* (Shift) F6 */
|
|
948 Shift | FctKey | 0xc4, /* (Shift) F7 */
|
|
949 Shift | FctKey | 0xc5, /* (Shift) F8 */
|
|
950 Shift | FctKey | 0xc6, /* (Shift) F9 */
|
|
951 Shift | FctKey | 0xc7, /* (Shift) F10 */
|
|
952 Ctrl | FctKey | 0xbe, /* (Ctrl) F1 */
|
|
953 Ctrl | FctKey | 0xbf, /* (Ctrl) F2 */
|
|
954
|
|
955 /* --------------- 60 to 6f --------------- */
|
|
956 Ctrl | FctKey | 0xc0, /* (Ctrl) F3 */
|
|
957 Ctrl | FctKey | 0xc1, /* (Ctrl) F4 */
|
|
958 Ctrl | FctKey | 0xc2, /* (Ctrl) F5 */
|
|
959 Ctrl | FctKey | 0xc3, /* (Ctrl) F6 */
|
|
960 Ctrl | FctKey | 0xc4, /* (Ctrl) F7 */
|
|
961 Ctrl | FctKey | 0xc5, /* (Ctrl) F8 */
|
|
962 Ctrl | FctKey | 0xc6, /* (Ctrl) F9 */
|
|
963 Ctrl | FctKey | 0xc7, /* (Ctrl) F10 */
|
|
964 Alt | FctKey | 0xbe, /* (Alt) F1 */
|
|
965 Alt | FctKey | 0xbf, /* (Alt) F2 */
|
|
966 Alt | FctKey | 0xc0, /* (Alt) F3 */
|
|
967 Alt | FctKey | 0xc1, /* (Alt) F4 */
|
|
968 Alt | FctKey | 0xc2, /* (Alt) F5 */
|
|
969 Alt | FctKey | 0xc3, /* (Alt) F6 */
|
|
970 Alt | FctKey | 0xc4, /* (Alt) F7 */
|
|
971 Alt | FctKey | 0xc5, /* (Alt) F8 */
|
|
972
|
|
973 /* --------------- 70 to 7f --------------- */
|
|
974 Alt | FctKey | 0xc6, /* (Alt) F9 */
|
|
975 Alt | FctKey | 0xc7, /* (Alt) F10 */
|
|
976 Ctrl | FctKey | 0x6d, /* (Ctrl) Sys Rq */
|
|
977 Ctrl | KeyPad | 4, /* (Ctrl) Left */
|
|
978 Ctrl | KeyPad | 6, /* (Ctrl) Right */
|
|
979 Ctrl | KeyPad | 1, /* (Ctrl) End */
|
|
980 Ctrl | KeyPad | 3, /* (Ctrl) Page Down */
|
|
981 Ctrl | KeyPad | 7, /* (Ctrl) Home */
|
|
982 Alt | Map | 1, /* '1' */
|
|
983 Alt | Map | 2, /* '2' */
|
|
984 Alt | Map | 3, /* '3' */
|
|
985 Alt | Map | 4, /* '4' */
|
|
986 Alt | Map | 5, /* '5' */
|
|
987 Alt | Map | 6, /* '6' */
|
|
988 Alt | Map | 7, /* '7' */
|
|
989 Alt | Map | 8, /* '8' */
|
|
990
|
|
991 /* --------------- 80 to 8f --------------- */
|
|
992 Alt | Map | 9, /* '9' */
|
|
993 Alt | Map | 10, /* '0' */
|
|
994 Alt | Map | 11, /* '-' */
|
|
995 Alt | Map | 12, /* '=' */
|
|
996 Ctrl | KeyPad | 9, /* (Ctrl) Page Up */
|
|
997 FctKey | 0xc8, /* F11 */
|
|
998 FctKey | 0xc9, /* F12 */
|
|
999 Shift | FctKey | 0xc8, /* (Shift) F11 */
|
|
1000 Shift | FctKey | 0xc9, /* (Shift) F12 */
|
|
1001 Ctrl | FctKey | 0xc8, /* (Ctrl) F11 */
|
|
1002 Ctrl | FctKey | 0xc9, /* (Ctrl) F12 */
|
|
1003 Alt | FctKey | 0xc8, /* (Alt) F11 */
|
|
1004 Alt | FctKey | 0xc9, /* (Alt) F12 */
|
|
1005 Ctrl | KeyPad | 8, /* (Ctrl) Up */
|
|
1006 Ctrl | Grey | 2, /* (Ctrl) Grey - */
|
|
1007 Ctrl | KeyPad | 5, /* (Ctrl) Keypad 5 */
|
|
1008
|
|
1009 /* --------------- 90 to 9f --------------- */
|
|
1010 Ctrl | Grey | 3, /* (Ctrl) Grey + */
|
|
1011 Ctrl | KeyPad | 2, /* (Ctrl) Down */
|
|
1012 Ctrl | KeyPad | 0, /* (Ctrl) Insert */
|
|
1013 Ctrl | KeyPad | 10, /* (Ctrl) Delete */
|
|
1014 Ctrl | FctKey | 0x09, /* (Ctrl) Tab */
|
|
1015 Ctrl | Grey | 0, /* (Ctrl) Grey / */
|
|
1016 Ctrl | Grey | 1, /* (Ctrl) Grey * */
|
|
1017 Alt | FctKey | 0x50, /* (Alt) Home */
|
|
1018 Alt | FctKey | 0x52, /* (Alt) Up */
|
|
1019 Alt | FctKey | 0x55, /* (Alt) Page Up */
|
|
1020 Ignore, /* NO KEY */
|
|
1021 Alt | FctKey | 0x51, /* (Alt) Left */
|
|
1022 Ignore, /* NO KEY */
|
|
1023 Alt | FctKey | 0x53, /* (Alt) Right */
|
|
1024 Ignore, /* NO KEY */
|
|
1025 Alt | FctKey | 0x57, /* (Alt) End */
|
|
1026
|
|
1027 /* --------------- a0 to af --------------- */
|
|
1028 Alt | KeyPad | 2, /* (Alt) Down */
|
|
1029 Alt | KeyPad | 3, /* (Alt) Page Down */
|
|
1030 Alt | KeyPad | 0, /* (Alt) Insert */
|
|
1031 Alt | KeyPad | 10, /* (Alt) Delete */
|
|
1032 Alt | Grey | 0, /* (Alt) Grey / */
|
|
1033 Alt | FctKey | 0x09, /* (Alt) Tab */
|
|
1034 Alt | Grey | 4 /* (Alt) Keypad Enter */
|
|
1035 };
|
|
1036
|
|
1037 /* These bit-positions corresponds to values returned by BIOS */
|
|
1038 #define SHIFT_P 0x0003 /* two bits! */
|
|
1039 #define CTRL_P 0x0004
|
|
1040 #define ALT_P 0x0008
|
|
1041 #define SCRLOCK_P 0x0010
|
|
1042 #define NUMLOCK_P 0x0020
|
|
1043 #define CAPSLOCK_P 0x0040
|
|
1044 #define ALT_GR_P 0x0800
|
|
1045 #define SUPER_P 0x4000 /* pseudo */
|
|
1046 #define HYPER_P 0x8000 /* pseudo */
|
|
1047
|
|
1048 static int
|
|
1049 dos_get_modifiers (int *keymask)
|
|
1050 {
|
|
1051 union REGS regs;
|
|
1052 int mask;
|
|
1053 int modifiers = 0;
|
|
1054
|
|
1055 /* Calculate modifier bits */
|
|
1056 regs.h.ah = extended_kbd ? 0x12 : 0x02;
|
|
1057 int86 (0x16, ®s, ®s);
|
|
1058
|
|
1059 if (!extended_kbd)
|
|
1060 {
|
|
1061 mask = regs.h.al & (SHIFT_P | CTRL_P | ALT_P |
|
|
1062 SCRLOCK_P | NUMLOCK_P | CAPSLOCK_P);
|
|
1063 }
|
|
1064 else
|
|
1065 {
|
|
1066 mask = regs.h.al & (SHIFT_P |
|
|
1067 SCRLOCK_P | NUMLOCK_P | CAPSLOCK_P);
|
|
1068
|
|
1069 /* Do not break international keyboard support. */
|
|
1070 /* When Keyb.Com is loaded, the right Alt key is */
|
|
1071 /* used for accessing characters like { and } */
|
|
1072 if (regs.h.ah & 2) /* Left ALT pressed ? */
|
|
1073 mask |= ALT_P;
|
|
1074
|
|
1075 if ((regs.h.ah & 8) != 0) /* Right ALT pressed ? */
|
|
1076 {
|
|
1077 mask |= ALT_GR_P;
|
|
1078 if (dos_hyper_key == 1)
|
|
1079 {
|
|
1080 mask |= HYPER_P;
|
|
1081 modifiers |= hyper_modifier;
|
|
1082 }
|
|
1083 else if (dos_super_key == 1)
|
|
1084 {
|
|
1085 mask |= SUPER_P;
|
|
1086 modifiers |= super_modifier;
|
|
1087 }
|
|
1088 }
|
|
1089
|
|
1090 if (regs.h.ah & 1) /* Left CTRL pressed
|
|
1091 mask |= CTRL_P;
|
|
1092
|
|
1093 if (regs.h.ah & 4) /* Right CTRL pressed ? */
|
|
1094 {
|
|
1095 if (dos_hyper_key == 2)
|
|
1096 {
|
|
1097 mask |= HYPER_P;
|
|
1098 modifiers |= hyper_modifier;
|
|
1099 }
|
|
1100 else if (dos_super_key == 2)
|
|
1101 {
|
|
1102 mask |= SUPER_P;
|
|
1103 modifiers |= super_modifier;
|
|
1104 }
|
|
1105 else
|
|
1106 mask |= CTRL_P;
|
|
1107 }
|
|
1108 }
|
|
1109
|
|
1110 if (mask & SHIFT_P)
|
|
1111 modifiers |= shift_modifier;
|
|
1112 if (mask & CTRL_P)
|
|
1113 modifiers |= ctrl_modifier;
|
|
1114 if (mask & ALT_P)
|
|
1115 modifiers |= meta_modifier;
|
|
1116
|
|
1117 if (keymask)
|
|
1118 *keymask = mask;
|
|
1119 return modifiers;
|
|
1120 }
|
|
1121
|
|
1122 #define NUM_RECENT_DOSKEYS (100)
|
|
1123 int recent_doskeys_index; /* Index for storing next element into recent_doskeys */
|
|
1124 int total_doskeys; /* Total number of elements stored into recent_doskeys */
|
|
1125 Lisp_Object recent_doskeys; /* A vector, holding the last 100 keystrokes */
|
|
1126
|
|
1127 DEFUN ("recent-doskeys", Frecent_doskeys, Srecent_doskeys, 0, 0, 0,
|
|
1128 "Return vector of last 100 keyboard input values seen in dos_rawgetc.\n\
|
|
1129 Each input key receives two values in this vector: first the ASCII code,\n\
|
|
1130 and then the scan code.")
|
|
1131 ()
|
|
1132 {
|
|
1133 Lisp_Object *keys = XVECTOR (recent_doskeys)->contents;
|
|
1134 Lisp_Object val;
|
|
1135
|
|
1136 if (total_doskeys < NUM_RECENT_DOSKEYS)
|
|
1137 return Fvector (total_doskeys, keys);
|
|
1138 else
|
|
1139 {
|
|
1140 val = Fvector (NUM_RECENT_DOSKEYS, keys);
|
|
1141 bcopy (keys + recent_doskeys_index,
|
|
1142 XVECTOR (val)->contents,
|
|
1143 (NUM_RECENT_DOSKEYS - recent_doskeys_index) * sizeof (Lisp_Object));
|
|
1144 bcopy (keys,
|
|
1145 XVECTOR (val)->contents + NUM_RECENT_DOSKEYS - recent_doskeys_index,
|
|
1146 recent_doskeys_index * sizeof (Lisp_Object));
|
|
1147 return val;
|
|
1148 }
|
|
1149 }
|
|
1150
|
|
1151 /* Get a char from keyboard. Function keys are put into the event queue. */
|
|
1152 static int
|
|
1153 dos_rawgetc (void)
|
|
1154 {
|
|
1155 struct input_event event;
|
|
1156 union REGS regs;
|
|
1157
|
|
1158 #ifndef HAVE_X_WINDOWS
|
|
1159 SCREEN_SET_CURSOR ();
|
|
1160 if (!mouse_visible) mouse_on ();
|
|
1161 #endif
|
|
1162
|
|
1163 /* The following condition is equivalent to `kbhit ()', except that
|
|
1164 it uses the bios to do its job. This pleases DESQview/X. */
|
|
1165 while ((regs.h.ah = extended_kbd ? 0x11 : 0x01),
|
|
1166 int86 (0x16, ®s, ®s),
|
|
1167 (regs.x.flags & 0x40) == 0)
|
|
1168 {
|
|
1169 union REGS regs;
|
|
1170 REGISTER unsigned char c;
|
|
1171 int sc, code, mask, kp_mode;
|
|
1172 int modifiers;
|
|
1173
|
|
1174 regs.h.ah = extended_kbd ? 0x10 : 0x00;
|
|
1175 int86 (0x16, ®s, ®s);
|
|
1176 c = regs.h.al;
|
|
1177 sc = regs.h.ah;
|
|
1178
|
|
1179 total_doskeys += 2;
|
|
1180 XVECTOR (recent_doskeys)->contents[recent_doskeys_index++]
|
|
1181 = make_int (c);
|
|
1182 if (recent_doskeys_index == NUM_RECENT_DOSKEYS)
|
|
1183 recent_doskeys_index = 0;
|
|
1184 XVECTOR (recent_doskeys)->contents[recent_doskeys_index++]
|
|
1185 = make_int (sc);
|
|
1186 if (recent_doskeys_index == NUM_RECENT_DOSKEYS)
|
|
1187 recent_doskeys_index = 0;
|
|
1188
|
|
1189 modifiers = dos_get_modifiers (&mask);
|
|
1190
|
|
1191 #ifndef HAVE_X_WINDOWS
|
|
1192 if (!NILP (Vdos_display_scancodes))
|
|
1193 {
|
|
1194 char buf[10];
|
|
1195 sprintf (buf, "%02x:%02x*%04x",
|
|
1196 (unsigned) (sc&0xff), (unsigned) c, mask);
|
|
1197 dos_direct_output (screen_size_Y - 2, screen_size_X - 12, buf, 10);
|
|
1198 }
|
|
1199 #endif
|
|
1200
|
|
1201 if (sc == 0xe0)
|
|
1202 {
|
|
1203 switch (c)
|
|
1204 {
|
|
1205 case 10: /* Ctrl Grey Enter */
|
|
1206 code = Ctrl | Grey | 4;
|
|
1207 break;
|
|
1208 case 13: /* Grey Enter */
|
|
1209 code = Grey | 4;
|
|
1210 break;
|
|
1211 case '/': /* Grey / */
|
|
1212 code = Grey | 0;
|
|
1213 break;
|
|
1214 default:
|
|
1215 continue;
|
|
1216 };
|
|
1217 c = 0;
|
|
1218 }
|
|
1219 else
|
|
1220 {
|
|
1221 if (sc >= (sizeof (ibmpc_translate_map) / sizeof (short)))
|
|
1222 continue;
|
|
1223 if ((code = ibmpc_translate_map[sc]) == Ignore)
|
|
1224 continue;
|
|
1225 }
|
|
1226
|
|
1227 if (c == 0)
|
|
1228 {
|
|
1229 if (code & Alt)
|
|
1230 modifiers |= meta_modifier;
|
|
1231 if (code & Ctrl)
|
|
1232 modifiers |= ctrl_modifier;
|
|
1233 if (code & Shift)
|
|
1234 modifiers |= shift_modifier;
|
|
1235 }
|
|
1236
|
|
1237 switch (code & 0xf000)
|
|
1238 {
|
|
1239 case ModFct:
|
|
1240 if (c && !(mask & (SHIFT_P | ALT_P | CTRL_P | HYPER_P | SUPER_P)))
|
|
1241 return c;
|
|
1242 c = 0; /* Special */
|
|
1243
|
|
1244 case FctKey:
|
|
1245 if (c != 0)
|
|
1246 return c;
|
|
1247
|
|
1248 case Special:
|
|
1249 code |= 0xff00;
|
|
1250 break;
|
|
1251
|
|
1252 case Normal:
|
|
1253 if (sc == 0)
|
|
1254 {
|
|
1255 if (c == 0) /* ctrl-break */
|
|
1256 continue;
|
|
1257 return c; /* ALT-nnn */
|
|
1258 }
|
|
1259 if (!keyboard_map_all)
|
|
1260 {
|
|
1261 if (c != ' ')
|
|
1262 return c;
|
|
1263 code = c;
|
|
1264 break;
|
|
1265 }
|
|
1266
|
|
1267 case Map:
|
|
1268 if (c && !(mask & ALT_P) && !((mask & SHIFT_P) && (mask & CTRL_P)))
|
|
1269 if (!keyboard_map_all)
|
|
1270 return c;
|
|
1271
|
|
1272 code &= 0xff;
|
|
1273 if (mask & ALT_P && code <= 10 && code > 0 && dos_keypad_mode & 0x200)
|
|
1274 mask |= SHIFT_P; /* ALT-1 => M-! etc. */
|
|
1275
|
|
1276 if (mask & SHIFT_P)
|
|
1277 {
|
|
1278 code = keyboard->shifted[code];
|
|
1279 mask -= SHIFT_P;
|
|
1280 modifiers &= ~shift_modifier;
|
|
1281 }
|
|
1282 else
|
|
1283 if ((mask & ALT_GR_P) && keyboard->alt_gr && keyboard->alt_gr[code] != ' ')
|
|
1284 code = keyboard->alt_gr[code];
|
|
1285 else
|
|
1286 code = keyboard->unshifted[code];
|
|
1287 break;
|
|
1288
|
|
1289 case KeyPad:
|
|
1290 code &= 0xff;
|
|
1291 if (c == 0xe0) /* edit key */
|
|
1292 kp_mode = 3;
|
|
1293 else
|
|
1294 if ((mask & (NUMLOCK_P|CTRL_P|SHIFT_P|ALT_P)) == NUMLOCK_P) /* numlock on */
|
|
1295 kp_mode = dos_keypad_mode & 0x03;
|
|
1296 else
|
|
1297 kp_mode = (dos_keypad_mode >> 4) & 0x03;
|
|
1298
|
|
1299 switch (kp_mode)
|
|
1300 {
|
|
1301 case 0:
|
|
1302 if (code == 10 && dos_decimal_point)
|
|
1303 return dos_decimal_point;
|
|
1304 return keypad_translate_map[code].char_code;
|
|
1305
|
|
1306 case 1:
|
|
1307 code = 0xff00 | keypad_translate_map[code].keypad_code;
|
|
1308 break;
|
|
1309
|
|
1310 case 2:
|
|
1311 code = keypad_translate_map[code].meta_code;
|
|
1312 modifiers = meta_modifier;
|
|
1313 break;
|
|
1314
|
|
1315 case 3:
|
|
1316 code = 0xff00 | keypad_translate_map[code].editkey_code;
|
|
1317 break;
|
|
1318 }
|
|
1319 break;
|
|
1320
|
|
1321 case Grey:
|
|
1322 code &= 0xff;
|
|
1323 kp_mode = ((mask & (NUMLOCK_P|CTRL_P|SHIFT_P|ALT_P)) == NUMLOCK_P) ? 0x04 : 0x40;
|
|
1324 if (dos_keypad_mode & kp_mode)
|
|
1325 code = 0xff00 | grey_key_translate_map[code].keypad_code;
|
|
1326 else
|
|
1327 code = grey_key_translate_map[code].char_code;
|
|
1328 break;
|
|
1329 }
|
|
1330
|
|
1331 make_event:
|
|
1332 if (code == 0)
|
|
1333 continue;
|
|
1334
|
|
1335 if (code >= 0x100)
|
|
1336 event.kind = non_ascii_keystroke;
|
|
1337 else
|
|
1338 event.kind = ascii_keystroke;
|
|
1339 event.code = code;
|
|
1340 event.modifiers = modifiers;
|
|
1341 XSETFRAME (event.frame_or_window, selected_frame);
|
|
1342 event.timestamp = event_timestamp ();
|
|
1343 kbd_buffer_store_event (&event);
|
|
1344 }
|
|
1345
|
|
1346 if (have_mouse > 0)
|
|
1347 {
|
|
1348 int but, press, x, y, ok;
|
|
1349
|
|
1350 /* Check for mouse movement *before* buttons. */
|
|
1351 mouse_check_moved ();
|
|
1352
|
|
1353 for (but = 0; but < NUM_MOUSE_BUTTONS; but++)
|
|
1354 for (press = 0; press < 2; press++)
|
|
1355 {
|
|
1356 if (press)
|
|
1357 ok = mouse_pressed (but, &x, &y);
|
|
1358 else
|
|
1359 ok = mouse_released (but, &x, &y);
|
|
1360 if (ok)
|
|
1361 {
|
|
1362 event.kind = mouse_click;
|
|
1363 event.code = but;
|
|
1364 event.modifiers = dos_get_modifiers (0)
|
|
1365 | (press ? down_modifier : up_modifier);
|
|
1366 event.x = x;
|
|
1367 event.y = y;
|
|
1368 XSETFRAME (event.frame_or_window, selected_frame);
|
|
1369 event.timestamp = event_timestamp ();
|
|
1370 kbd_buffer_store_event (&event);
|
|
1371 }
|
|
1372 }
|
|
1373 }
|
|
1374
|
|
1375 return -1;
|
|
1376 }
|
|
1377
|
|
1378 static int prev_get_char = -1;
|
|
1379
|
|
1380 /* Return 1 if a key is ready to be read without suspending execution. */
|
|
1381 dos_keysns (void)
|
|
1382 {
|
|
1383 if (prev_get_char != -1)
|
|
1384 return 1;
|
|
1385 else
|
|
1386 return ((prev_get_char = dos_rawgetc ()) != -1);
|
|
1387 }
|
|
1388
|
|
1389 /* Read a key. Return -1 if no key is ready. */
|
|
1390 dos_keyread (void)
|
|
1391 {
|
|
1392 if (prev_get_char != -1)
|
|
1393 {
|
|
1394 int c = prev_get_char;
|
|
1395 prev_get_char = -1;
|
|
1396 return c;
|
|
1397 }
|
|
1398 else
|
|
1399 return dos_rawgetc ();
|
|
1400 }
|
|
1401
|
|
1402 #ifndef HAVE_X_WINDOWS
|
|
1403 /* See xterm.c for more info. */
|
|
1404 void
|
|
1405 pixel_to_glyph_coords (FRAME_PTR f, REGISTER int pix_x, REGISTER int pix_y,
|
|
1406 REGISTER int *x, REGISTER int *y,
|
|
1407 void /* XRectangle */ *bounds,
|
|
1408 int noclip)
|
|
1409 {
|
|
1410 if (bounds) abort ();
|
|
1411
|
|
1412 /* Ignore clipping. */
|
|
1413
|
|
1414 *x = pix_x;
|
|
1415 *y = pix_y;
|
|
1416 }
|
|
1417
|
|
1418 void
|
|
1419 glyph_to_pixel_coords (FRAME_PTR f, REGISTER int x, REGISTER int y,
|
|
1420 REGISTER int *pix_x, REGISTER int *pix_y)
|
|
1421 {
|
|
1422 *pix_x = x;
|
|
1423 *pix_y = y;
|
|
1424 }
|
|
1425
|
|
1426 /* Simulation of X's menus. Nothing too fancy here -- just make it work
|
|
1427 for now.
|
|
1428
|
|
1429 Actually, I don't know the meaning of all the parameters of the functions
|
|
1430 here -- I only know how they are called by xmenu.c. I could of course
|
|
1431 grab the nearest Xlib manual (down the hall, second-to-last door on the
|
|
1432 left), but I don't think it's worth the effort. */
|
|
1433
|
|
1434 static XMenu *
|
|
1435 IT_menu_create (void)
|
|
1436 {
|
|
1437 XMenu *menu;
|
|
1438
|
|
1439 menu = (XMenu *) xmalloc (sizeof (XMenu));
|
|
1440 menu->allocated = menu->count = menu->panecount = menu->width = 0;
|
|
1441 return menu;
|
|
1442 }
|
|
1443
|
|
1444 /* Allocate some (more) memory for MENU ensuring that there is room for one
|
|
1445 for item. */
|
|
1446
|
|
1447 static void
|
|
1448 IT_menu_make_room (XMenu *menu)
|
|
1449 {
|
|
1450 if (menu->allocated == 0)
|
|
1451 {
|
|
1452 int count = menu->allocated = 10;
|
|
1453 menu->text = (char **) xmalloc (count * sizeof (char *));
|
|
1454 menu->submenu = (XMenu **) xmalloc (count * sizeof (XMenu *));
|
|
1455 menu->panenumber = (int *) xmalloc (count * sizeof (int));
|
|
1456 }
|
|
1457 else if (menu->allocated == menu->count)
|
|
1458 {
|
|
1459 int count = menu->allocated = menu->allocated + 10;
|
|
1460 menu->text
|
|
1461 = (char **) xrealloc (menu->text, count * sizeof (char *));
|
|
1462 menu->submenu
|
|
1463 = (XMenu **) xrealloc (menu->submenu, count * sizeof (XMenu *));
|
|
1464 menu->panenumber
|
|
1465 = (int *) xrealloc (menu->panenumber, count * sizeof (int));
|
|
1466 }
|
|
1467 }
|
|
1468
|
|
1469 /* Search the given menu structure for a given pane number. */
|
|
1470
|
|
1471 static XMenu *
|
|
1472 IT_menu_search_pane (XMenu *menu, int pane)
|
|
1473 {
|
|
1474 int i;
|
|
1475 XMenu *try;
|
|
1476
|
|
1477 for (i = 0; i < menu->count; i++)
|
|
1478 if (menu->submenu[i])
|
|
1479 {
|
|
1480 if (pane == menu->panenumber[i])
|
|
1481 return menu->submenu[i];
|
|
1482 if ((try = IT_menu_search_pane (menu->submenu[i], pane)))
|
|
1483 return try;
|
|
1484 }
|
|
1485 return (XMenu *) 0;
|
|
1486 }
|
|
1487
|
|
1488 /* Determine how much screen space a given menu needs. */
|
|
1489
|
|
1490 static void
|
|
1491 IT_menu_calc_size (XMenu *menu, int *width, int *height)
|
|
1492 {
|
|
1493 int i, h2, w2, maxsubwidth, maxheight;
|
|
1494
|
|
1495 maxsubwidth = 0;
|
|
1496 maxheight = menu->count;
|
|
1497 for (i = 0; i < menu->count; i++)
|
|
1498 {
|
|
1499 if (menu->submenu[i])
|
|
1500 {
|
|
1501 IT_menu_calc_size (menu->submenu[i], &w2, &h2);
|
|
1502 if (w2 > maxsubwidth) maxsubwidth = w2;
|
|
1503 if (i + h2 > maxheight) maxheight = i + h2;
|
|
1504 }
|
|
1505 }
|
|
1506 *width = menu->width + maxsubwidth;
|
|
1507 *height = maxheight;
|
|
1508 }
|
|
1509
|
|
1510 /* Display MENU at (X,Y) using FACES. */
|
|
1511
|
|
1512 static void
|
|
1513 IT_menu_display (XMenu *menu, int y, int x, int *faces)
|
|
1514 {
|
|
1515 int i, j, face, width;
|
|
1516 GLYPH *text, *p;
|
|
1517 char *q;
|
|
1518 int mx, my;
|
|
1519 int enabled, mousehere;
|
|
1520 int row, col;
|
|
1521
|
|
1522 width = menu->width;
|
|
1523 text = (GLYPH *) xmalloc ((width + 2) * sizeof (GLYPH));
|
|
1524 ScreenGetCursor (&row, &col);
|
|
1525 mouse_get_xy (&mx, &my);
|
|
1526 IT_update_begin ();
|
|
1527 for (i = 0; i < menu->count; i++)
|
|
1528 {
|
|
1529 IT_cursor_to (y + i, x);
|
|
1530 enabled
|
|
1531 = (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]);
|
|
1532 mousehere = (y + i == my && x <= mx && mx < x + width + 2);
|
|
1533 face = faces[enabled + mousehere * 2];
|
|
1534 p = text;
|
|
1535 *p++ = FAST_MAKE_GLYPH (' ', face);
|
|
1536 for (j = 0, q = menu->text[i]; *q; j++)
|
|
1537 *p++ = FAST_MAKE_GLYPH (*q++, face);
|
|
1538 for (; j < width; j++)
|
|
1539 *p++ = FAST_MAKE_GLYPH (' ', face);
|
|
1540 *p++ = FAST_MAKE_GLYPH (menu->submenu[i] ? 16 : ' ', face);
|
|
1541 IT_write_glyphs (text, width + 2);
|
|
1542 }
|
|
1543 IT_update_end ();
|
|
1544 IT_cursor_to (row, col);
|
|
1545 xfree (text);
|
|
1546 }
|
|
1547
|
|
1548 /* --------------------------- X Menu emulation ---------------------- */
|
|
1549
|
|
1550 /* Create a brand new menu structure. */
|
|
1551
|
|
1552 XMenu *
|
|
1553 XMenuCreate (Display *foo1, Window foo2, char *foo3)
|
|
1554 {
|
|
1555 return IT_menu_create ();
|
|
1556 }
|
|
1557
|
|
1558 /* Create a new pane and place it on the outer-most level. It is not
|
|
1559 clear that it should be placed out there, but I don't know what else
|
|
1560 to do. */
|
|
1561
|
|
1562 int
|
|
1563 XMenuAddPane (Display *foo, XMenu *menu, char *txt, int enable)
|
|
1564 {
|
|
1565 int len;
|
|
1566
|
|
1567 if (!enable)
|
|
1568 abort ();
|
|
1569
|
|
1570 IT_menu_make_room (menu);
|
|
1571 menu->submenu[menu->count] = IT_menu_create ();
|
|
1572 menu->text[menu->count] = txt;
|
|
1573 menu->panenumber[menu->count] = ++menu->panecount;
|
|
1574 menu->count++;
|
|
1575 if ((len = strlen (txt)) > menu->width)
|
|
1576 menu->width = len;
|
|
1577 return menu->panecount;
|
|
1578 }
|
|
1579
|
|
1580 /* Create a new item in a menu pane. */
|
|
1581
|
|
1582 int
|
|
1583 XMenuAddSelection (Display *bar, XMenu *menu, int pane,
|
|
1584 int foo, char *txt, int enable)
|
|
1585 {
|
|
1586 int len;
|
|
1587
|
|
1588 if (pane)
|
|
1589 if (!(menu = IT_menu_search_pane (menu, pane)))
|
|
1590 return XM_FAILURE;
|
|
1591 IT_menu_make_room (menu);
|
|
1592 menu->submenu[menu->count] = (XMenu *) 0;
|
|
1593 menu->text[menu->count] = txt;
|
|
1594 menu->panenumber[menu->count] = enable;
|
|
1595 menu->count++;
|
|
1596 if ((len = strlen (txt)) > menu->width)
|
|
1597 menu->width = len;
|
|
1598 return XM_SUCCESS;
|
|
1599 }
|
|
1600
|
|
1601 /* Decide where the menu would be placed if requested at (X,Y). */
|
|
1602
|
|
1603 void
|
|
1604 XMenuLocate (Display *foo0, XMenu *menu, int foo1, int foo2, int x, int y,
|
|
1605 int *ulx, int *uly, int *width, int *height)
|
|
1606 {
|
|
1607 if (menu->count == 1 && menu->submenu[0])
|
|
1608 /* Special case: the menu consists of only one pane. */
|
|
1609 IT_menu_calc_size (menu->submenu[0], width, height);
|
|
1610 else
|
|
1611 IT_menu_calc_size (menu, width, height);
|
|
1612 *ulx = x + 1;
|
|
1613 *uly = y;
|
|
1614 *width += 2;
|
|
1615 }
|
|
1616
|
|
1617 struct IT_menu_state
|
|
1618 {
|
|
1619 void *screen_behind;
|
|
1620 XMenu *menu;
|
|
1621 int pane;
|
|
1622 int x, y;
|
|
1623 };
|
|
1624
|
|
1625
|
|
1626 /* Display menu, wait for user's response, and return that response. */
|
|
1627
|
|
1628 int
|
|
1629 XMenuActivate (Display *foo, XMenu *menu, int *pane, int *selidx,
|
|
1630 int x0, int y0, unsigned ButtonMask, char **txt)
|
|
1631 {
|
|
1632 struct IT_menu_state *state;
|
|
1633 int statecount;
|
|
1634 int x, y, i, b;
|
|
1635 int screensize;
|
|
1636 int faces[4], selectface;
|
|
1637 int leave, result, onepane;
|
|
1638
|
|
1639 /* Just in case we got here without a mouse present... */
|
|
1640 if (have_mouse <= 0)
|
|
1641 return XM_IA_SELECT;
|
|
1642
|
|
1643 state = alloca (menu->panecount * sizeof (struct IT_menu_state));
|
|
1644 screensize = screen_size * 2;
|
|
1645 faces[0]
|
|
1646 = compute_glyph_face (&the_only_frame,
|
|
1647 face_name_id_number
|
|
1648 (&the_only_frame,
|
|
1649 intern ("msdos-menu-passive-face")),
|
|
1650 0);
|
|
1651 faces[1]
|
|
1652 = compute_glyph_face (&the_only_frame,
|
|
1653 face_name_id_number
|
|
1654 (&the_only_frame,
|
|
1655 intern ("msdos-menu-active-face")),
|
|
1656 0);
|
|
1657 selectface
|
|
1658 = face_name_id_number (&the_only_frame, intern ("msdos-menu-select-face"));
|
|
1659 faces[2] = compute_glyph_face (&the_only_frame, selectface, faces[0]);
|
|
1660 faces[3] = compute_glyph_face (&the_only_frame, selectface, faces[1]);
|
|
1661
|
|
1662 statecount = 1;
|
|
1663 state[0].menu = menu;
|
|
1664 mouse_off ();
|
|
1665 ScreenRetrieve (state[0].screen_behind = xmalloc (screensize));
|
|
1666 if ((onepane = menu->count == 1 && menu->submenu[0]))
|
|
1667 {
|
|
1668 menu->width = menu->submenu[0]->width;
|
|
1669 state[0].menu = menu->submenu[0];
|
|
1670 }
|
|
1671 else
|
|
1672 {
|
|
1673 state[0].menu = menu;
|
|
1674 }
|
|
1675 state[0].x = x0 - 1;
|
|
1676 state[0].y = y0;
|
|
1677 state[0].pane = onepane;
|
|
1678
|
|
1679 mouse_last_x = -1; /* A hack that forces display. */
|
|
1680 leave = 0;
|
|
1681 while (!leave)
|
|
1682 {
|
|
1683 if (!mouse_visible) mouse_on ();
|
|
1684 mouse_check_moved ();
|
|
1685 if (selected_frame->mouse_moved)
|
|
1686 {
|
|
1687 selected_frame->mouse_moved = 0;
|
|
1688 result = XM_IA_SELECT;
|
|
1689 mouse_get_xy (&x, &y);
|
|
1690 for (i = 0; i < statecount; i++)
|
|
1691 if (state[i].x <= x && x < state[i].x + state[i].menu->width + 2)
|
|
1692 {
|
|
1693 int dy = y - state[i].y;
|
|
1694 if (0 <= dy && dy < state[i].menu->count)
|
|
1695 {
|
|
1696 if (!state[i].menu->submenu[dy])
|
|
1697 if (state[i].menu->panenumber[dy])
|
|
1698 result = XM_SUCCESS;
|
|
1699 else
|
|
1700 result = XM_IA_SELECT;
|
|
1701 *pane = state[i].pane - 1;
|
|
1702 *selidx = dy;
|
|
1703 /* We hit some part of a menu, so drop extra menues that
|
|
1704 have been opened. That does not include an open and
|
|
1705 active submenu. */
|
|
1706 if (i != statecount - 2
|
|
1707 || state[i].menu->submenu[dy] != state[i+1].menu)
|
|
1708 while (i != statecount - 1)
|
|
1709 {
|
|
1710 statecount--;
|
|
1711 mouse_off ();
|
|
1712 ScreenUpdate (state[statecount].screen_behind);
|
|
1713 xfree (state[statecount].screen_behind);
|
|
1714 }
|
|
1715 if (i == statecount - 1 && state[i].menu->submenu[dy])
|
|
1716 {
|
|
1717 IT_menu_display (state[i].menu,
|
|
1718 state[i].y,
|
|
1719 state[i].x,
|
|
1720 faces);
|
|
1721 state[statecount].menu = state[i].menu->submenu[dy];
|
|
1722 state[statecount].pane = state[i].menu->panenumber[dy];
|
|
1723 mouse_off ();
|
|
1724 ScreenRetrieve (state[statecount].screen_behind
|
|
1725 = xmalloc (screensize));
|
|
1726 state[statecount].x
|
|
1727 = state[i].x + state[i].menu->width + 2;
|
|
1728 state[statecount].y = y;
|
|
1729 statecount++;
|
|
1730 }
|
|
1731 }
|
|
1732 }
|
|
1733 IT_menu_display (state[statecount - 1].menu,
|
|
1734 state[statecount - 1].y,
|
|
1735 state[statecount - 1].x,
|
|
1736 faces);
|
|
1737 }
|
|
1738 for (b = 0; b < mouse_button_count; b++)
|
|
1739 {
|
|
1740 (void) mouse_pressed (b, &x, &y);
|
|
1741 if (mouse_released (b, &x, &y))
|
|
1742 leave = 1;
|
|
1743 }
|
|
1744 }
|
|
1745
|
|
1746 mouse_off ();
|
|
1747 ScreenUpdate (state[0].screen_behind);
|
|
1748 while (statecount--)
|
|
1749 xfree (state[statecount].screen_behind);
|
|
1750 return result;
|
|
1751 }
|
|
1752
|
|
1753 /* Dispose of a menu. */
|
|
1754
|
|
1755 void
|
|
1756 XMenuDestroy (Display *foo, XMenu *menu)
|
|
1757 {
|
|
1758 int i;
|
|
1759 if (menu->allocated)
|
|
1760 {
|
|
1761 for (i = 0; i < menu->count; i++)
|
|
1762 if (menu->submenu[i])
|
|
1763 XMenuDestroy (foo, menu->submenu[i]);
|
|
1764 xfree (menu->text);
|
|
1765 xfree (menu->submenu);
|
|
1766 xfree (menu->panenumber);
|
|
1767 }
|
|
1768 xfree (menu);
|
|
1769 }
|
|
1770
|
|
1771 int
|
|
1772 x_pixel_width (struct frame *f)
|
|
1773 {
|
|
1774 return FRAME_WIDTH (f);
|
|
1775 }
|
|
1776
|
|
1777 int
|
|
1778 x_pixel_height (struct frame *f)
|
|
1779 {
|
|
1780 return FRAME_HEIGHT (f);
|
|
1781 }
|
|
1782 #endif /* !HAVE_X_WINDOWS */
|
|
1783
|
|
1784
|
|
1785 /* ----------------------- DOS / UNIX conversion --------------------- */
|
|
1786
|
|
1787 /* Destructively turn backslashes into slashes. */
|
|
1788
|
|
1789 void
|
|
1790 dostounix_filename (REGISTER char *p)
|
|
1791 {
|
|
1792 while (*p)
|
|
1793 {
|
|
1794 if (*p == '\\')
|
|
1795 *p = '/';
|
|
1796 p++;
|
|
1797 }
|
|
1798 }
|
|
1799
|
|
1800 /* Destructively turn slashes into backslashes. */
|
|
1801
|
|
1802 void
|
|
1803 unixtodos_filename (REGISTER char *p)
|
|
1804 {
|
|
1805 while (*p)
|
|
1806 {
|
|
1807 if (*p == '/')
|
|
1808 *p = '\\';
|
|
1809 p++;
|
|
1810 }
|
|
1811 }
|
|
1812
|
|
1813 /* Get the default directory for a given drive. 0=def, 1=A, 2=B, ... */
|
|
1814
|
|
1815 int
|
|
1816 getdefdir (int drive, char *dst)
|
|
1817 {
|
|
1818 union REGS regs;
|
|
1819
|
|
1820 *dst++ = '/';
|
|
1821 regs.h.dl = drive;
|
|
1822 regs.x.si = (int) dst;
|
|
1823 regs.h.ah = 0x47;
|
|
1824 intdos (®s, ®s);
|
|
1825 return !regs.x.cflag;
|
|
1826 }
|
|
1827
|
|
1828 /* Remove all CR's that are followed by a LF. */
|
|
1829
|
|
1830 int
|
|
1831 crlf_to_lf (REGISTER int n, REGISTER unsigned char *buf)
|
|
1832 {
|
|
1833 unsigned char *np = buf;
|
|
1834 unsigned char *startp = buf;
|
|
1835 unsigned char *endp = buf + n;
|
|
1836 unsigned char c;
|
|
1837
|
|
1838 if (n == 0)
|
|
1839 return n;
|
|
1840 while (buf < endp - 1)
|
|
1841 {
|
|
1842 if (*buf == 0x0d)
|
|
1843 {
|
|
1844 if (*(++buf) != 0x0a)
|
|
1845 *np++ = 0x0d;
|
|
1846 }
|
|
1847 else
|
|
1848 *np++ = *buf++;
|
|
1849 }
|
|
1850 if (buf < endp)
|
|
1851 *np++ = *buf++;
|
|
1852 return np - startp;
|
|
1853 }
|
|
1854
|
|
1855 /* The Emacs root directory as determined by init_environment. */
|
|
1856
|
|
1857 static char emacsroot[MAXPATHLEN];
|
|
1858
|
|
1859 char *
|
|
1860 rootrelativepath (char *rel)
|
|
1861 {
|
|
1862 static char result[MAXPATHLEN + 10];
|
|
1863
|
|
1864 strcpy (result, emacsroot);
|
|
1865 strcat (result, "/");
|
|
1866 strcat (result, rel);
|
|
1867 return result;
|
|
1868 }
|
|
1869
|
|
1870 /* Define a lot of environment variables if not already defined. Don't
|
|
1871 remove anything unless you know what you're doing -- lots of code will
|
|
1872 break if one or more of these are missing. */
|
|
1873
|
|
1874 void
|
|
1875 init_environment (int argc, char **argv, int skip_args)
|
|
1876 {
|
|
1877 char *s, *t, *root;
|
|
1878 int len;
|
|
1879
|
|
1880 if (!initialized)
|
|
1881 return;
|
|
1882
|
|
1883 /* Find our root from argv[0]. Assuming argv[0] is, say,
|
|
1884 "c:/emacs/bin/emacs.exe" our root will be "c:/emacs". */
|
|
1885 root = alloca (MAXPATHLEN + 20);
|
|
1886 _fixpath (argv[0], root);
|
|
1887 strlwr (root);
|
|
1888 len = strlen (root);
|
|
1889 while (len > 0 && root[len] != '/' && root[len] != ':')
|
|
1890 len--;
|
|
1891 root[len] = '\0';
|
|
1892 if (len > 4 && strcmp (root + len - 4, "/bin") == 0)
|
|
1893 root[len - 4] = '\0';
|
|
1894 else
|
|
1895 strcpy (root, "c:/emacs"); /* Only under debuggers, I think. */
|
|
1896 len = strlen (root);
|
|
1897 strcpy (emacsroot, root);
|
|
1898
|
|
1899 /* We default HOME to our root. */
|
|
1900 setenv ("HOME", root, 0);
|
|
1901
|
|
1902 /* We default EMACSPATH to root + "/bin". */
|
|
1903 strcpy (root + len, "/bin");
|
|
1904 setenv ("EMACSPATH", root, 0);
|
|
1905
|
|
1906 /* I don't expect anybody to ever use other terminals so the internal
|
|
1907 terminal is the default. */
|
|
1908 setenv ("TERM", "internal", 0);
|
|
1909
|
|
1910 #ifdef HAVE_X_WINDOWS
|
|
1911 /* Emacs expects DISPLAY to be set. */
|
|
1912 setenv ("DISPLAY", "unix:0.0", 0);
|
|
1913 #endif
|
|
1914
|
|
1915 /* SHELL is a bit tricky -- COMSPEC is the closest we come, but we must
|
|
1916 downcase it and mirror the backslashes. */
|
|
1917 s = getenv ("COMSPEC");
|
|
1918 if (!s) s = "c:/command.com";
|
|
1919 t = alloca (strlen (s) + 1);
|
|
1920 strcpy (t, s);
|
|
1921 strlwr (t);
|
|
1922 dostounix_filename (t);
|
|
1923 setenv ("SHELL", t, 0);
|
|
1924
|
|
1925 /* PATH is also downcased and backslashes mirrored. */
|
|
1926 s = getenv ("PATH");
|
|
1927 if (!s) s = "";
|
|
1928 t = alloca (strlen (s) + 3);
|
|
1929 /* Current directory is always considered part of MsDos's path but it is
|
|
1930 not normally mentioned. Now it is. */
|
|
1931 strcat (strcpy (t, ".;"), s);
|
|
1932 strlwr (t);
|
|
1933 dostounix_filename (t); /* Not a single file name, but this should work. */
|
|
1934 setenv ("PATH", t, 1);
|
|
1935
|
|
1936 /* In some sense all dos users have root privileges, so... */
|
|
1937 setenv ("USER", "root", 0);
|
|
1938 setenv ("NAME", getenv ("USER"), 0);
|
|
1939
|
|
1940 /* Time zone determined from country code. To make this possible, the
|
|
1941 country code may not span more than one time zone. In other words,
|
|
1942 in the USA, you lose. */
|
|
1943 if (!getenv ("TZ"))
|
|
1944 switch (dos_country_code)
|
|
1945 {
|
|
1946 case 31: /* Belgium */
|
|
1947 case 32: /* The Netherlands */
|
|
1948 case 33: /* France */
|
|
1949 case 34: /* Spain */
|
|
1950 case 36: /* Hungary */
|
|
1951 case 38: /* Yugoslavia (or what's left of it?) */
|
|
1952 case 39: /* Italy */
|
|
1953 case 41: /* Switzerland */
|
|
1954 case 42: /* Tjekia */
|
|
1955 case 45: /* Denmark */
|
|
1956 case 46: /* Sweden */
|
|
1957 case 47: /* Norway */
|
|
1958 case 48: /* Poland */
|
|
1959 case 49: /* Germany */
|
|
1960 /* Daylight saving from last Sunday in March to last Sunday in
|
|
1961 September, both at 2AM. */
|
|
1962 setenv ("TZ", "MET-01METDST-02,M3.5.0/02:00,M9.5.0/02:00", 0);
|
|
1963 break;
|
|
1964 case 44: /* United Kingdom */
|
|
1965 case 351: /* Portugal */
|
|
1966 case 354: /* Iceland */
|
|
1967 setenv ("TZ", "GMT+00", 0);
|
|
1968 break;
|
|
1969 case 81: /* Japan */
|
|
1970 case 82: /* Korea */
|
|
1971 setenv ("TZ", "JST-09", 0);
|
|
1972 break;
|
|
1973 case 90: /* Turkey */
|
|
1974 case 358: /* Finland */
|
|
1975 setenv ("TZ", "EET-02", 0);
|
|
1976 break;
|
|
1977 case 972: /* Israel */
|
|
1978 /* This is an approximation. (For exact rules, use the
|
|
1979 `zoneinfo/israel' file which comes with DJGPP, but you need
|
|
1980 to install it in `/usr/share/zoneinfo/' directory first.) */
|
|
1981 setenv ("TZ", "IST-02IDT-03,M4.1.6/00:00,M9.5.6/01:00", 0);
|
|
1982 break;
|
|
1983 }
|
|
1984 init_gettimeofday ();
|
|
1985 }
|
|
1986
|
|
1987
|
|
1988
|
|
1989 static int break_stat; /* BREAK check mode status. */
|
|
1990 static int stdin_stat; /* stdin IOCTL status. */
|
|
1991
|
|
1992 /* These must be global. */
|
|
1993 static _go32_dpmi_seginfo ctrl_break_vector;
|
|
1994 static _go32_dpmi_registers ctrl_break_regs;
|
|
1995 static int ctrlbreakinstalled = 0;
|
|
1996
|
|
1997 /* Interrupt level detection of Ctrl-Break. Don't do anything fancy here! */
|
|
1998
|
|
1999 void
|
|
2000 ctrl_break_func (_go32_dpmi_registers *regs)
|
|
2001 {
|
|
2002 Vquit_flag = Qt;
|
|
2003 }
|
|
2004
|
|
2005 void
|
|
2006 install_ctrl_break_check (void)
|
|
2007 {
|
|
2008 if (!ctrlbreakinstalled)
|
|
2009 {
|
|
2010 /* Don't press Ctrl-Break if you don't have either DPMI or Emacs
|
|
2011 was compiler with Djgpp 1.11 maintenance level 5 or later! */
|
|
2012 ctrlbreakinstalled = 1;
|
|
2013 ctrl_break_vector.pm_offset = (int) ctrl_break_func;
|
|
2014 _go32_dpmi_allocate_real_mode_callback_iret (&ctrl_break_vector,
|
|
2015 &ctrl_break_regs);
|
|
2016 _go32_dpmi_set_real_mode_interrupt_vector (0x1b, &ctrl_break_vector);
|
|
2017 }
|
|
2018 }
|
|
2019
|
|
2020 /*
|
|
2021 * Turn off Dos' Ctrl-C checking and inhibit interpretation of
|
|
2022 * control chars by Dos.
|
|
2023 * Determine the keyboard type.
|
|
2024 */
|
|
2025
|
|
2026 int
|
|
2027 dos_ttraw (void)
|
|
2028 {
|
|
2029 union REGS inregs, outregs;
|
|
2030 static int first_time = 1;
|
|
2031
|
|
2032 break_stat = getcbrk ();
|
|
2033 setcbrk (0);
|
|
2034 install_ctrl_break_check ();
|
|
2035
|
|
2036 if (first_time)
|
|
2037 {
|
|
2038 inregs.h.ah = 0xc0;
|
|
2039 int86 (0x15, &inregs, &outregs);
|
|
2040 extended_kbd = (!outregs.x.cflag) && (outregs.h.ah == 0);
|
|
2041
|
|
2042 have_mouse = 0;
|
|
2043
|
|
2044 if (internal_terminal
|
|
2045 #ifdef HAVE_X_WINDOWS
|
|
2046 && inhibit_window_system
|
|
2047 #endif
|
|
2048 )
|
|
2049 {
|
|
2050 inregs.x.ax = 0x0021;
|
|
2051 int86 (0x33, &inregs, &outregs);
|
|
2052 have_mouse = (outregs.x.ax & 0xffff) == 0xffff;
|
|
2053 if (!have_mouse)
|
|
2054 {
|
|
2055 /* Reportedly, the above doesn't work for some mouse drivers. There
|
|
2056 is an additional detection method that should work, but might be
|
|
2057 a little slower. Use that as an alternative. */
|
|
2058 inregs.x.ax = 0x0000;
|
|
2059 int86 (0x33, &inregs, &outregs);
|
|
2060 have_mouse = (outregs.x.ax & 0xffff) == 0xffff;
|
|
2061 }
|
|
2062
|
|
2063 if (have_mouse)
|
|
2064 {
|
|
2065 have_mouse = 1; /* enable mouse */
|
|
2066 mouse_visible = 0;
|
|
2067
|
|
2068 if (outregs.x.bx == 3)
|
|
2069 {
|
|
2070 mouse_button_count = 3;
|
|
2071 mouse_button_translate[0] = 0; /* Left */
|
|
2072 mouse_button_translate[1] = 2; /* Middle */
|
|
2073 mouse_button_translate[2] = 1; /* Right */
|
|
2074 }
|
|
2075 else
|
|
2076 {
|
|
2077 mouse_button_count = 2;
|
|
2078 mouse_button_translate[0] = 0;
|
|
2079 mouse_button_translate[1] = 1;
|
|
2080 }
|
|
2081 mouse_position_hook = &mouse_get_pos;
|
|
2082 mouse_init ();
|
|
2083 }
|
|
2084 }
|
|
2085
|
|
2086 first_time = 0;
|
|
2087 }
|
|
2088
|
|
2089 inregs.x.ax = 0x4400; /* Get IOCTL status. */
|
|
2090 inregs.x.bx = 0x00; /* 0 = stdin. */
|
|
2091 intdos (&inregs, &outregs);
|
|
2092 stdin_stat = outregs.h.dl;
|
|
2093
|
|
2094 inregs.x.dx = stdin_stat | 0x0020; /* raw mode */
|
|
2095 inregs.x.ax = 0x4401; /* Set IOCTL status */
|
|
2096 intdos (&inregs, &outregs);
|
|
2097 return !outregs.x.cflag;
|
|
2098 }
|
|
2099
|
|
2100 /* Restore status of standard input and Ctrl-C checking. */
|
|
2101 int
|
|
2102 dos_ttcooked (void)
|
|
2103 {
|
|
2104 union REGS inregs, outregs;
|
|
2105
|
|
2106 setcbrk (break_stat);
|
|
2107 mouse_off ();
|
|
2108
|
|
2109 inregs.x.ax = 0x4401; /* Set IOCTL status. */
|
|
2110 inregs.x.bx = 0x00; /* 0 = stdin. */
|
|
2111 inregs.x.dx = stdin_stat;
|
|
2112 intdos (&inregs, &outregs);
|
|
2113 return !outregs.x.cflag;
|
|
2114 }
|
|
2115
|
|
2116
|
|
2117 /* Run command as specified by ARGV in directory DIR.
|
|
2118 The command is run with input from TEMPIN and output to file TEMPOUT. */
|
|
2119 int
|
|
2120 run_msdos_command (unsigned char **argv, Lisp_Object dir,
|
|
2121 int tempin, int tempout)
|
|
2122 {
|
|
2123 char *saveargv1, *saveargv2, **envv;
|
|
2124 char oldwd[MAXPATHLEN + 1]; /* Fixed size is safe on MSDOS. */
|
|
2125 int msshell, result = -1;
|
|
2126 int in, out, inbak, outbak, errbak;
|
|
2127 int x, y;
|
|
2128 Lisp_Object cmd;
|
|
2129
|
|
2130 /* Get current directory as MSDOS cwd is not per-process. */
|
|
2131 getwd (oldwd);
|
|
2132
|
|
2133 cmd = Ffile_name_nondirectory (build_string (argv[0]));
|
|
2134 msshell = !NILP (Fmember (cmd, Fsymbol_value (intern ("msdos-shells"))))
|
|
2135 && !strcmp ("-c", argv[1]);
|
|
2136 if (msshell)
|
|
2137 {
|
|
2138 saveargv1 = argv[1];
|
|
2139 saveargv2 = argv[2];
|
|
2140 argv[1] = "/c";
|
|
2141 if (argv[2])
|
|
2142 {
|
|
2143 char *p = alloca (strlen (argv[2]) + 1);
|
|
2144
|
|
2145 strcpy (argv[2] = p, saveargv2);
|
|
2146 while (*p && isspace ((unsigned char) *p))
|
|
2147 p++;
|
|
2148 while (*p && !isspace ((unsigned char) *p))
|
|
2149 if (*p == '/')
|
|
2150 *p++ = '\\';
|
|
2151 else
|
|
2152 p++;
|
|
2153 }
|
|
2154 }
|
|
2155
|
|
2156 /* Build the environment array. */
|
|
2157 {
|
|
2158 extern Lisp_Object Vprocess_environment;
|
|
2159 Lisp_Object tmp, lst;
|
|
2160 int i, len;
|
|
2161
|
|
2162 lst = Vprocess_environment;
|
|
2163 len = XINT (Flength (lst));
|
|
2164
|
|
2165 envv = alloca ((len + 1) * sizeof (char *));
|
|
2166 for (i = 0; i < len; i++)
|
|
2167 {
|
|
2168 tmp = Fcar (lst);
|
|
2169 lst = Fcdr (lst);
|
|
2170 CHECK_STRING (tmp);
|
|
2171 envv[i] = alloca (string_length (XSTRING (tmp)) + 1);
|
|
2172 strcpy (envv[i], string_data (XSTRING (tmp)));
|
|
2173 }
|
|
2174 envv[len] = (char *) 0;
|
|
2175 }
|
|
2176
|
|
2177 if (STRINGP (dir))
|
|
2178 chdir (string_data (XSTRING (dir)));
|
|
2179 inbak = dup (0);
|
|
2180 outbak = dup (1);
|
|
2181 errbak = dup (2);
|
|
2182 if (inbak < 0 || outbak < 0 || errbak < 0)
|
|
2183 goto done; /* Allocation might fail due to lack of descriptors. */
|
|
2184
|
|
2185 if (have_mouse > 0)
|
|
2186 mouse_get_xy (&x, &y);
|
|
2187
|
|
2188 dos_ttcooked (); /* do it here while 0 = stdin */
|
|
2189
|
|
2190 dup2 (tempin, 0);
|
|
2191 dup2 (tempout, 1);
|
|
2192 dup2 (tempout, 2);
|
|
2193
|
|
2194 result = spawnve (P_WAIT, argv[0], argv, envv);
|
|
2195
|
|
2196 dup2 (inbak, 0);
|
|
2197 dup2 (outbak, 1);
|
|
2198 dup2 (errbak, 2);
|
|
2199 close (inbak);
|
|
2200 close (outbak);
|
|
2201 close (errbak);
|
|
2202
|
|
2203 dos_ttraw ();
|
|
2204 if (have_mouse > 0)
|
|
2205 {
|
|
2206 mouse_init ();
|
|
2207 mouse_moveto (x, y);
|
|
2208 }
|
|
2209
|
|
2210 done:
|
|
2211 chdir (oldwd);
|
|
2212 if (msshell)
|
|
2213 {
|
|
2214 argv[1] = saveargv1;
|
|
2215 argv[2] = saveargv2;
|
|
2216 }
|
|
2217 return result;
|
|
2218 }
|
|
2219
|
|
2220 croak (char *badfunc)
|
|
2221 {
|
|
2222 stderr_out ("%s not yet implemented\r\n", badfunc);
|
|
2223 reset_sys_modes ();
|
|
2224 exit (1);
|
|
2225 }
|
|
2226
|
|
2227
|
|
2228 /* ------------------------- Compatibility functions -------------------
|
|
2229 * gethostname
|
|
2230 * gettimeofday
|
|
2231 */
|
|
2232
|
|
2233 /*
|
|
2234 * Hostnames for a pc are not really funny,
|
|
2235 * but they are used in change log so we emulate the best we can.
|
|
2236 */
|
|
2237
|
|
2238 gethostname (char *p, int size)
|
|
2239 {
|
|
2240 char *q = egetenv ("HOSTNAME");
|
|
2241
|
|
2242 if (!q) q = "pc";
|
|
2243 strcpy (p, q);
|
|
2244 return 0;
|
|
2245 }
|
|
2246
|
|
2247 /* When time zones are set from Ms-Dos too many C-libraries are playing
|
|
2248 tricks with time values. We solve this by defining our own version
|
|
2249 of `gettimeofday' bypassing GO32. Our version needs to be initialized
|
|
2250 once and after each call to `tzset' with TZ changed. That is
|
|
2251 accomplished by aliasing tzset to init_gettimeofday. */
|
|
2252
|
|
2253 static struct tm time_rec;
|
|
2254
|
|
2255 int
|
|
2256 gettimeofday (struct timeval *tp, struct timezone *tzp)
|
|
2257 {
|
|
2258 if (tp)
|
|
2259 {
|
|
2260 struct time t;
|
|
2261 struct tm tm;
|
|
2262
|
|
2263 gettime (&t);
|
|
2264 if (t.ti_hour < time_rec.tm_hour) /* midnight wrap */
|
|
2265 {
|
|
2266 struct date d;
|
|
2267 getdate (&d);
|
|
2268 time_rec.tm_year = d.da_year - 1900;
|
|
2269 time_rec.tm_mon = d.da_mon - 1;
|
|
2270 time_rec.tm_mday = d.da_day;
|
|
2271 }
|
|
2272
|
|
2273 time_rec.tm_hour = t.ti_hour;
|
|
2274 time_rec.tm_min = t.ti_min;
|
|
2275 time_rec.tm_sec = t.ti_sec;
|
|
2276
|
|
2277 tm = time_rec;
|
|
2278 tm.tm_gmtoff = dos_timezone_offset;
|
|
2279
|
|
2280 tp->tv_sec = mktime (&tm); /* may modify tm */
|
|
2281 tp->tv_usec = t.ti_hund * (1000000 / 100);
|
|
2282 }
|
|
2283 /* Ignore tzp; it's obsolescent. */
|
|
2284 return 0;
|
|
2285 }
|
|
2286
|
|
2287
|
|
2288 /*
|
|
2289 * A list of unimplemented functions that we silently ignore.
|
|
2290 */
|
|
2291
|
|
2292 unsigned alarm (unsigned int s) {}
|
|
2293 fork (void) { return 0; }
|
|
2294 int kill (int x, int y) { return -1; }
|
|
2295 nice (int p) {}
|
|
2296 void volatile pause (void) {}
|
|
2297 request_sigio (void) {}
|
|
2298 setpgrp (void) {return 0; }
|
|
2299 setpriority (int x, int y, int z) { return 0; }
|
|
2300 sigsetmask (int x) { return 0; }
|
|
2301 unrequest_sigio (void) {}
|
|
2302
|
|
2303 int run_dos_timer_hooks = 0;
|
|
2304
|
|
2305 #ifndef HAVE_SELECT
|
|
2306 #include "sysselect.h"
|
|
2307
|
|
2308 static int last_ti_sec = -1;
|
|
2309 static int dos_menubar_clock_displayed = 0;
|
|
2310
|
|
2311 static void
|
|
2312 check_timer (struct time *t)
|
|
2313 {
|
|
2314 gettime (t);
|
|
2315
|
|
2316 if (t->ti_sec == last_ti_sec)
|
|
2317 return;
|
|
2318 last_ti_sec = t->ti_sec;
|
|
2319
|
|
2320 if (!NILP (Vdos_menubar_clock))
|
|
2321 {
|
|
2322 char clock_str[16];
|
|
2323 int len;
|
|
2324 int min = t->ti_min;
|
|
2325 int hour = t->ti_hour;
|
|
2326
|
|
2327 if (dos_timezone_offset)
|
|
2328 {
|
|
2329 int tz = dos_timezone_offset;
|
|
2330 min -= tz % 60;
|
|
2331 if (min < 0)
|
|
2332 min += 60, hour--;
|
|
2333 else
|
|
2334 if (min >= 60)
|
|
2335 min -= 60, hour++;
|
|
2336
|
|
2337 if ((hour -= (tz / 60)) < 0)
|
|
2338 hour += 24;
|
|
2339 else
|
|
2340 hour %= 24;
|
|
2341 }
|
|
2342
|
|
2343 if ((dos_country_info[0x11] & 0x01) == 0) /* 12 hour clock */
|
|
2344 {
|
|
2345 hour %= 12;
|
|
2346 if (hour == 0) hour = 12;
|
|
2347 }
|
|
2348
|
|
2349 len = sprintf (clock_str, "%2d.%02d.%02d", hour, min, t->ti_sec);
|
|
2350 dos_direct_output (0, screen_size_X - len - 1, clock_str, len);
|
|
2351 dos_menubar_clock_displayed = 1;
|
|
2352 }
|
|
2353 else if (dos_menubar_clock_displayed)
|
|
2354 {
|
|
2355 /* Erase last displayed time. */
|
|
2356 dos_direct_output (0, screen_size_X - 9, " ", 8);
|
|
2357 dos_menubar_clock_displayed = 0;
|
|
2358 }
|
|
2359
|
|
2360 if (!NILP (Vdos_timer_hooks))
|
|
2361 run_dos_timer_hooks++;
|
|
2362 }
|
|
2363
|
|
2364 /* Only event queue is checked. */
|
|
2365 int
|
|
2366 sys_select (int nfds, SELECT_TYPE *rfds, SELECT_TYPE *wfds, SELECT_TYPE *efds,
|
|
2367 EMACS_TIME *timeout)
|
|
2368 {
|
|
2369 int check_input;
|
|
2370 long timeoutval, clnow, cllast;
|
|
2371 struct time t;
|
|
2372
|
|
2373 check_input = 0;
|
|
2374 if (rfds)
|
|
2375 {
|
|
2376 check_input = FD_ISSET (0, rfds);
|
|
2377 FD_ZERO (rfds);
|
|
2378 }
|
|
2379 if (wfds)
|
|
2380 FD_ZERO (wfds);
|
|
2381 if (efds)
|
|
2382 FD_ZERO (efds);
|
|
2383
|
|
2384 if (nfds != 1)
|
|
2385 abort ();
|
|
2386
|
|
2387 /* If we are looking only for the terminal, with no timeout,
|
|
2388 just read it and wait -- that's more efficient. */
|
|
2389 if (!timeout)
|
|
2390 {
|
|
2391 while (! detect_input_pending ())
|
|
2392 check_timer (&t);
|
|
2393 }
|
|
2394 else
|
|
2395 {
|
|
2396 timeoutval = EMACS_SECS (*timeout) * 100 + EMACS_USECS (*timeout) / 10000;
|
|
2397 check_timer (&t);
|
|
2398 cllast = t.ti_sec * 100 + t.ti_hund;
|
|
2399
|
|
2400 while (!check_input || !detect_input_pending ())
|
|
2401 {
|
|
2402 check_timer (&t);
|
|
2403 clnow = t.ti_sec * 100 + t.ti_hund;
|
|
2404 if (clnow < cllast) /* time wrap */
|
|
2405 timeoutval -= clnow + 6000 - cllast;
|
|
2406 else
|
|
2407 timeoutval -= clnow - cllast;
|
|
2408 if (timeoutval <= 0) /* Stop on timer being cleared */
|
|
2409 return 0;
|
|
2410 cllast = clnow;
|
|
2411 }
|
|
2412 }
|
|
2413
|
|
2414 FD_SET (0, rfds);
|
|
2415 return 1;
|
|
2416 }
|
|
2417 #endif
|
|
2418
|
|
2419 /*
|
|
2420 * Define overlayed functions:
|
|
2421 *
|
|
2422 * chdir -> sys_chdir
|
|
2423 * tzset -> init_gettimeofday
|
|
2424 * abort -> dos_abort
|
|
2425 */
|
|
2426
|
|
2427 #ifdef chdir
|
|
2428 #undef chdir
|
|
2429 extern int chdir (CONST char *);
|
|
2430
|
|
2431 int
|
|
2432 sys_chdir (CONST char* path)
|
|
2433 {
|
|
2434 int len = strlen (path);
|
|
2435 char *tmp = (char *)path;
|
|
2436
|
|
2437 if (*tmp && tmp[1] == ':')
|
|
2438 {
|
|
2439 if (getdisk () != tolower (tmp[0]) - 'a')
|
|
2440 setdisk (tolower (tmp[0]) - 'a');
|
|
2441 tmp += 2; /* strip drive: KFS 1995-07-06 */
|
|
2442 len -= 2;
|
|
2443 }
|
|
2444
|
|
2445 if (len > 1 && (tmp[len - 1] == '/'))
|
|
2446 {
|
|
2447 char *tmp1 = (char *) alloca (len + 1);
|
|
2448 strcpy (tmp1, tmp);
|
|
2449 tmp1[len - 1] = 0;
|
|
2450 tmp = tmp1;
|
|
2451 }
|
|
2452 return chdir (tmp);
|
|
2453 }
|
|
2454 #endif
|
|
2455
|
|
2456 #ifdef tzset
|
|
2457 #undef tzset
|
|
2458 extern void tzset (void);
|
|
2459
|
|
2460 void
|
|
2461 init_gettimeofday (void)
|
|
2462 {
|
|
2463 time_t ltm, gtm;
|
|
2464 struct tm *lstm;
|
|
2465
|
|
2466 tzset ();
|
|
2467 ltm = gtm = time (NULL);
|
|
2468 ltm = mktime (lstm = localtime (<m));
|
|
2469 gtm = mktime (gmtime (>m));
|
|
2470 time_rec.tm_hour = 99; /* force gettimeofday to get date */
|
|
2471 time_rec.tm_isdst = lstm->tm_isdst;
|
|
2472 dos_timezone_offset = time_rec.tm_gmtoff = (int)(gtm - ltm) / 60;
|
|
2473 }
|
|
2474 #endif
|
|
2475
|
|
2476 #ifdef abort
|
|
2477 #undef abort
|
|
2478 void
|
|
2479 dos_abort (char *file, int line)
|
|
2480 {
|
|
2481 char buffer1[200], buffer2[400];
|
|
2482 int i, j;
|
|
2483
|
|
2484 sprintf (buffer1, "<EMACS FATAL ERROR IN %s LINE %d>", file, line);
|
|
2485 for (i = j = 0; buffer1[i]; i++) {
|
|
2486 buffer2[j++] = buffer1[i];
|
|
2487 buffer2[j++] = 0x70;
|
|
2488 }
|
|
2489 dosmemput (buffer2, j, (int)ScreenPrimary);
|
|
2490 ScreenSetCursor (2, 0);
|
|
2491 abort ();
|
|
2492 }
|
|
2493 #endif
|
|
2494
|
|
2495 void
|
|
2496 syms_of_msdos (void)
|
|
2497 {
|
|
2498 defsubr (&Srecent_doskeys);
|
|
2499 }
|
|
2500
|
|
2501 void
|
|
2502 vars_of_msdos (void)
|
|
2503 {
|
|
2504 recent_doskeys = Fmake_vector (make_int (NUM_RECENT_DOSKEYS), Qnil);
|
|
2505 staticpro (&recent_doskeys);
|
|
2506
|
|
2507 }
|
|
2508
|
|
2509 #endif /* MSDOS */
|