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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * os_msdos.c
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12 *
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13 * MSDOS system-dependent routines.
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14 * A cheap plastic imitation of the amiga dependent code.
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15 * A lot in this file was made by Juergen Weigert (jw).
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16 *
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17 * DJGPP changes by Gert van Antwerpen
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18 * Faster text screens by John Lange (jlange@zilker.net)
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19 * Windows clipboard functionality added by David Kotchan (dk)
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20 *
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21 * Some functions are also used for Win16 (MS-Windows 3.1).
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22 */
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23
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714
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24 #include "vimio.h"
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7
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25 #include "vim.h"
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26
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27 #include <conio.h>
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28 #ifdef HAVE_FCNTL_H
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29 # include <fcntl.h>
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30 #endif
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31
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32 /*
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33 * MS-DOS only code, not used for Win16.
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34 */
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35 #ifndef WIN16
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36
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37
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38 #include <bios.h>
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39 #ifdef DJGPP
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40 # include <dpmi.h>
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41 # include <signal.h>
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42 # include <sys/movedata.h>
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43 # include <crt0.h>
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44 # ifdef FEAT_CLIPBOARD
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45 # include <sys/segments.h>
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46 # endif
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47 #else
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48 # include <alloc.h>
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49 #endif
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50
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51 #if defined(DJGPP) || defined(PROTO)
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52 # define _cdecl /* DJGPP doesn't have this */
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53 #endif
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54
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55 static int cbrk_pressed = FALSE; /* set by ctrl-break interrupt */
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56 static int ctrlc_pressed = FALSE; /* set when ctrl-C or ctrl-break detected */
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57 static int delayed_redraw = FALSE; /* set when ctrl-C detected */
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58
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59 static int bioskey_read = _NKEYBRD_READ; /* bioskey() argument: read key */
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60 static int bioskey_ready = _NKEYBRD_READY; /* bioskey() argument: key ready? */
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61
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62 #ifdef FEAT_MOUSE
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63 static int mouse_avail = FALSE; /* mouse present */
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64 static int mouse_active; /* mouse enabled */
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65 static int mouse_hidden; /* mouse not shown */
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66 static int mouse_click = -1; /* mouse status */
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67 static int mouse_last_click = -1; /* previous status at click */
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68 static int mouse_x = -1; /* mouse x coodinate */
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69 static int mouse_y = -1; /* mouse y coodinate */
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70 static long mouse_click_time = 0; /* biostime() of last click */
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71 static int mouse_click_count = 0; /* count for multi-clicks */
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72 static int mouse_click_x = 0; /* x of previous mouse click */
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73 static int mouse_click_y = 0; /* y of previous mouse click */
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74 static linenr_T mouse_topline = 0; /* w_topline at previous mouse click */
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75 #ifdef FEAT_DIFF
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76 static int mouse_topfill = 0; /* w_topfill at previous mouse click */
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77 #endif
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78 static int mouse_x_div = 8; /* column = x coord / mouse_x_div */
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79 static int mouse_y_div = 8; /* line = y coord / mouse_y_div */
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80 #endif
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81
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82 #define BIOSTICK 55 /* biostime() increases one tick about
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83 every 55 msec */
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84
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85 static int orig_attr = 0x0700; /* video attributes when starting */
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86
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87 static int S_iLeft = 0; /* Scroll window; these are 1 offset */
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88 static int S_iTop = 0;
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89 static int S_iRight = 0;
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90 static int S_iBottom = 0;
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91
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92 /*
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93 * Need to remember the values, because we set horizontal and vertical
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94 * edges separately.
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95 */
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96 static void
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97 mywindow(int iLeft, int iTop, int iRight, int iBottom)
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98 {
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99 S_iLeft = iLeft;
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100 S_iTop = iTop;
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101 S_iRight = iRight;
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102 S_iBottom = iBottom;
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103 window(iLeft, iTop, iRight, iBottom);
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104 }
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105
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106 #ifdef DJGPP
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107 /*
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108 * For DJGPP, use our own functions for fast text screens. JML 1/18/98
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109 */
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110
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111 unsigned long S_ulScreenBase = 0xb8000;
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112 unsigned short S_uiAttribute = 0;
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113 int S_iCurrentRow = 0; /* These are 0 offset */
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114 int S_iCurrentColumn = 0;
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115 short S_selVideo; /* Selector for DJGPP direct video transfers */
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116
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117 /*
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118 * Use burst writes to improve mch_write speed - VJN 01/10/99
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119 */
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120 unsigned short S_linebuffer[8000]; /* <VN> enough for 160x50 */
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121 unsigned short S_blankbuffer[256]; /* <VN> max length of console line */
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122 unsigned short *S_linebufferpos = S_linebuffer;
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123 int S_iBufferRow;
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124 int S_iBufferColumn;
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125
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126 static void
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127 myflush(void)
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128 {
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129 if (S_linebufferpos != S_linebuffer)
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130 {
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131 _dosmemputw(S_linebuffer, (S_linebufferpos - S_linebuffer),
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132 S_ulScreenBase
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133 + S_iBufferRow * (Columns << 1) + (S_iBufferColumn << 1));
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134 S_linebufferpos = S_linebuffer;
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135 }
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136 }
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137
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138 static void
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139 mygotoxy(int x, int y)
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140 {
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141 S_iCurrentRow = y - 1;
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142 S_iCurrentColumn = x - 1;
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143 }
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144
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145 /*
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146 * Set the system cursor to our cursor position.
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147 */
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148 static void
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149 set_sys_cursor(void)
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150 {
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151 if (term_console && full_screen)
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152 {
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153 myflush();
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154 gotoxy(S_iCurrentColumn + 1, S_iCurrentRow + 1);
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155 }
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156 }
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157
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158 static void
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159 setblankbuffer(unsigned short uiValue)
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160 {
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161 int i;
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162 static unsigned short olduiValue = 0;
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163
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164 if (olduiValue != uiValue)
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165 {
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166 /* Load blank line buffer with spaces */
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167 for (i = 0; i < Columns; ++i)
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168 S_blankbuffer[i] = uiValue;
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169 olduiValue = uiValue;
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170 }
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171 }
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172
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173 static void
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174 myclreol(void)
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175 {
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176 /* Clear to end of line */
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177 setblankbuffer(S_uiAttribute | ' ');
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178 _dosmemputw(S_blankbuffer, S_iRight - S_iCurrentColumn, S_ulScreenBase
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179 + (S_iCurrentRow) * (Columns << 1)
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180 + (S_iCurrentColumn << 1));
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181 }
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182
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183 static void
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184 myclrscr(void)
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185 {
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186 /* Clear whole screen */
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187 short iColumn;
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188 int endpoint = (Rows * Columns) << 1;
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189
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190 setblankbuffer(S_uiAttribute | ' ');
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191
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192 for (iColumn = 0; iColumn < endpoint; iColumn += (Columns << 1))
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193 _dosmemputw(S_blankbuffer, Columns, S_ulScreenBase + iColumn);
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194 }
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195
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196 static void
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197 mydelline(void)
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198 {
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199 short iRow, iColumn;
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200
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201 iColumn = (S_iLeft - 1) << 1;
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202
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203 /* Copy the lines underneath */
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204 for (iRow = S_iCurrentRow; iRow < S_iBottom - 1; iRow++)
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205 movedata(S_selVideo, (((iRow + 1) * Columns) << 1) + iColumn,
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206 S_selVideo, ((iRow * Columns) << 1) + iColumn,
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207 (S_iRight - S_iLeft + 1) << 1);
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208
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209 /* Clear the new row */
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210 setblankbuffer(S_uiAttribute | ' ');
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211
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212 _dosmemputw(S_blankbuffer, (S_iRight - S_iLeft) + 1, S_ulScreenBase
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213 + (S_iBottom - 1) * (Columns << 1) + iColumn);
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214 }
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215
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216 static void
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217 myinsline(void)
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218 {
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219 short iRow, iColumn;
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220
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221 iColumn = (S_iLeft - 1) << 1;
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222
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223 /* Copy the lines underneath */
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224 for (iRow = S_iBottom - 1; iRow >= S_iTop; iRow--)
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225 movedata(S_selVideo, (((iRow - 1) * Columns) << 1) + iColumn,
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226 S_selVideo, ((iRow * Columns) << 1) + iColumn,
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227 (S_iRight - S_iLeft + 1) << 1);
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228
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229 /* Clear the new row */
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230 setblankbuffer(S_uiAttribute | ' ');
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231
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232 _dosmemputw(S_blankbuffer, (S_iRight - S_iLeft) + 1, S_ulScreenBase
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233 + (S_iTop - 1) * (Columns << 1) + iColumn);
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234 }
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235
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236 /*
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237 * Scroll the screen one line up, clear the last line.
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238 */
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239 static void
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240 myscroll(void)
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241 {
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242 short iRow, iColumn;
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243
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244 iColumn = (S_iLeft - 1) << 1;
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245
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246 /* Copy the screen */
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247 for (iRow = S_iTop; iRow < S_iBottom; iRow++)
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248 movedata(S_selVideo, ((iRow * Columns) << 1) + iColumn,
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249 S_selVideo, (((iRow - 1) * Columns) << 1) + iColumn,
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250 (S_iRight - S_iLeft + 1) << 1);
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251
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252 /* Clear the bottom row */
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253 setblankbuffer(S_uiAttribute | ' ');
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254
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255 _dosmemputw(S_blankbuffer, (S_iRight - S_iLeft) + 1, S_ulScreenBase
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256 + (S_iBottom - 1) * (Columns << 1) + iColumn);
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257 }
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258
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259 static int
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260 myputch(int iChar)
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261 {
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262 unsigned short uiValue;
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263
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264 if (iChar == '\n')
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265 {
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266 myflush();
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267 if (S_iCurrentRow >= S_iBottom - S_iTop)
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268 myscroll();
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269 else
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270 {
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271 S_iCurrentColumn = S_iLeft - 1;
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272 S_iCurrentRow++;
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273 }
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274 }
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275 else if (iChar == '\r')
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276 {
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277 myflush();
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278 S_iCurrentColumn = S_iLeft - 1;
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279 }
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280 else if (iChar == '\b')
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281 {
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282 myflush();
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283 if (S_iCurrentColumn >= S_iLeft)
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284 S_iCurrentColumn--;
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285 }
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286 else if (iChar == 7)
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287 {
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288 sound(440); /* short beep */
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289 delay(200);
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290 nosound();
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291 }
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292 else
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293 {
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294 uiValue = S_uiAttribute | (unsigned char)iChar;
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295
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296 /*
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297 * Normal char - are we starting to buffer?
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298 */
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299 if (S_linebufferpos == S_linebuffer)
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300 {
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301 S_iBufferColumn = S_iCurrentColumn;
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302 S_iBufferRow = S_iCurrentRow;
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303 }
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304
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305 *S_linebufferpos++ = uiValue;
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306
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307 S_iCurrentColumn++;
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308 if (S_iCurrentColumn >= S_iRight && S_iCurrentRow >= S_iBottom - S_iTop)
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309 {
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310 myflush();
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311 myscroll();
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312 S_iCurrentColumn = S_iLeft - 1;
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313 S_iCurrentRow++;
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314 }
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315 }
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316
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317 return 0;
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318 }
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319
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320 static void
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321 mytextinit(struct text_info *pTextinfo)
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322 {
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323 S_selVideo = __dpmi_segment_to_descriptor(S_ulScreenBase >> 4);
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324 S_uiAttribute = pTextinfo->normattr << 8;
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325 }
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326
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327 static void
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328 get_screenbase(void)
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329 {
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330 static union REGS regs;
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331
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332 /* old Hercules grafic card has different base address (Macewicz) */
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333 regs.h.ah = 0x0f;
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334 (void)int86(0x10, ®s, ®s); /* int 10 0f */
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335 if (regs.h.al == 0x07) /* video mode 7 -- hercules mono */
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336 S_ulScreenBase = 0xb0000;
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337 else
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338 S_ulScreenBase = 0xb8000;
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339 }
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340
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341 static void
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342 mytextattr(int iAttribute)
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343 {
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344 S_uiAttribute = (unsigned short)iAttribute << 8;
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345 }
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346
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347 static void
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348 mynormvideo(void)
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349 {
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350 mytextattr(orig_attr);
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351 }
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352
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353 static void
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354 mytextcolor(int iTextColor)
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355 {
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356 S_uiAttribute = (unsigned short)((S_uiAttribute & 0xf000)
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357 | (unsigned short)iTextColor << 8);
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358 }
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359
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360 static void
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361 mytextbackground(int iBkgColor)
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362 {
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363 S_uiAttribute = (unsigned short)((S_uiAttribute & 0x0f00)
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364 | (unsigned short)(iBkgColor << 12));
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365 }
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366 /*
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367 * Getdigits: Get a number from a string and skip over it.
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368 * Note: the argument is a pointer to a char_u pointer!
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369 */
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370
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371 static long
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372 mygetdigits(pp)
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373 char_u **pp;
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374 {
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375 char_u *p;
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376 long retval = 0;
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377
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378 p = *pp;
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379 if (*p == '-') /* skip negative sign */
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380 ++p;
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381 while (VIM_ISDIGIT(*p))
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382 {
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383 retval = (retval * 10) + (*p - '0');
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384 ++p;
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385 }
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386 if (**pp == '-') /* process negative sign */
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387 retval = -retval;
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388
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389 *pp = p;
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390 return retval;
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391 }
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392 #else
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393 # define mygotoxy gotoxy
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394 # define myputch putch
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395 # define myscroll scroll
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396 # define mynormvideo normvideo
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397 # define mytextattr textattr
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398 # define mytextcolor textcolor
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399 # define mytextbackground textbackground
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400 # define mygetdigits getdigits
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401 # define myclreol clreol
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402 # define myclrscr clrscr
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403 # define myinsline insline
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404 # define mydelline delline
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405 #endif
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406
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407 static const struct
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408 {
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409 char_u scancode;
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410 char_u metakey;
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411 } altkey_table[] =
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412 {
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413 {0x1e, 0xe1}, /* a */
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414 {0x30, 0xe2}, /* b */
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415 {0x2e, 0xe3}, /* c */
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416 {0x20, 0xe4}, /* d */
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417 {0x12, 0xe5}, /* e */
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418 {0x21, 0xe6}, /* f */
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419 {0x22, 0xe7}, /* g */
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420 {0x23, 0xe8}, /* h */
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421 {0x17, 0xe9}, /* i */
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422 {0x24, 0xea}, /* j */
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423 {0x25, 0xeb}, /* k */
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|
|
424 {0x26, 0xec}, /* l */
|
|
|
425 {0x32, 0xed}, /* m */
|
|
|
426 {0x31, 0xee}, /* n */
|
|
|
427 {0x18, 0xef}, /* o */
|
|
|
428 {0x19, 0xf0}, /* p */
|
|
|
429 {0x10, 0xf1}, /* q */
|
|
|
430 {0x13, 0xf2}, /* r */
|
|
|
431 {0x1f, 0xf3}, /* s */
|
|
|
432 {0x14, 0xf4}, /* t */
|
|
|
433 {0x16, 0xf5}, /* u */
|
|
|
434 {0x2f, 0xf6}, /* v */
|
|
|
435 {0x11, 0xf7}, /* w */
|
|
|
436 {0x2d, 0xf8}, /* x */
|
|
|
437 {0x15, 0xf9}, /* y */
|
|
|
438 {0x2c, 0xfa}, /* z */
|
|
|
439 {0x78, 0xb1}, /* 1 */
|
|
|
440 {0x79, 0xb2}, /* 2 */
|
|
|
441 {0x7a, 0xb3}, /* 3 */
|
|
|
442 {0x7b, 0xb4}, /* 4 */
|
|
|
443 {0x7c, 0xb5}, /* 5 */
|
|
|
444 {0x7d, 0xb6}, /* 6 */
|
|
|
445 {0x7e, 0xb7}, /* 7 */
|
|
|
446 {0x7f, 0xb8}, /* 8 */
|
|
|
447 {0x80, 0xb9}, /* 9 */
|
|
|
448 {0x81, 0xb0}, /* 0 */
|
|
|
449 };
|
|
|
450
|
|
|
451 /*
|
|
|
452 * Translate extended keycodes into meta-chars where applicable
|
|
|
453 */
|
|
|
454 static int
|
|
|
455 translate_altkeys(int rawkey)
|
|
|
456 {
|
|
|
457 int i, c;
|
|
|
458
|
|
|
459 if ((rawkey & 0xff) == 0)
|
|
|
460 {
|
|
|
461 c = (rawkey >> 8);
|
|
|
462 for (i = sizeof(altkey_table) / sizeof(altkey_table[0]); --i >= 0; )
|
|
|
463 {
|
|
|
464 if (c == altkey_table[i].scancode)
|
|
|
465 return (int)altkey_table[i].metakey;
|
|
|
466 }
|
|
|
467 }
|
|
|
468 return rawkey;
|
|
|
469 }
|
|
|
470
|
|
|
471 /*
|
|
|
472 * Set normal fg/bg color, based on T_ME. Called whem t_me has been set.
|
|
|
473 */
|
|
|
474 void
|
|
|
475 mch_set_normal_colors()
|
|
|
476 {
|
|
|
477 char_u *p;
|
|
|
478 int n;
|
|
|
479
|
|
|
480 cterm_normal_fg_color = (orig_attr & 0xf) + 1;
|
|
|
481 cterm_normal_bg_color = ((orig_attr >> 4) & 0xf) + 1;
|
|
|
482 if (T_ME[0] == ESC && T_ME[1] == '|')
|
|
|
483 {
|
|
|
484 p = T_ME + 2;
|
|
|
485 n = getdigits(&p);
|
|
|
486 if (*p == 'm' && n > 0)
|
|
|
487 {
|
|
|
488 cterm_normal_fg_color = (n & 0xf) + 1;
|
|
|
489 cterm_normal_bg_color = ((n >> 4) & 0xf) + 1;
|
|
|
490 }
|
|
|
491 }
|
|
|
492 }
|
|
|
493
|
|
|
494 #if defined(MCH_CURSOR_SHAPE) || defined(PROTO)
|
|
|
495 /*
|
|
|
496 * Save/restore the shape of the cursor.
|
|
|
497 * call with FALSE to save, TRUE to restore
|
|
|
498 */
|
|
|
499 static void
|
|
|
500 mch_restore_cursor_shape(int restore)
|
|
|
501 {
|
|
|
502 static union REGS regs;
|
|
|
503 static int saved = FALSE;
|
|
|
504
|
|
|
505 if (restore)
|
|
|
506 {
|
|
|
507 if (saved)
|
|
36
|
508 regs.h.ah = 0x01; /* Set Cursor */
|
|
7
|
509 else
|
|
|
510 return;
|
|
|
511 }
|
|
|
512 else
|
|
|
513 {
|
|
36
|
514 regs.h.ah = 0x03; /* Get Cursor */
|
|
|
515 regs.h.bh = 0x00; /* Page */
|
|
7
|
516 saved = TRUE;
|
|
|
517 }
|
|
|
518
|
|
|
519 (void)int86(0x10, ®s, ®s);
|
|
|
520 }
|
|
|
521
|
|
|
522 /*
|
|
|
523 * Set the shape of the cursor.
|
|
|
524 * 'thickness' can be from 0 (thin) to 7 (block)
|
|
|
525 */
|
|
|
526 static void
|
|
|
527 mch_set_cursor_shape(int thickness)
|
|
|
528 {
|
|
|
529 union REGS regs;
|
|
|
530
|
|
36
|
531 regs.h.ch = 7 - thickness; /* Starting Line */
|
|
|
532 regs.h.cl = 7; /* Ending Line */
|
|
|
533 regs.h.ah = 0x01; /* Set Cursor */
|
|
7
|
534 (void)int86(0x10, ®s, ®s);
|
|
|
535 }
|
|
|
536
|
|
|
537 void
|
|
|
538 mch_update_cursor(void)
|
|
|
539 {
|
|
|
540 int idx;
|
|
|
541 int thickness;
|
|
|
542
|
|
|
543 /*
|
|
|
544 * How the cursor is drawn depends on the current mode.
|
|
|
545 */
|
|
|
546 idx = get_shape_idx(FALSE);
|
|
|
547
|
|
|
548 if (shape_table[idx].shape == SHAPE_BLOCK)
|
|
|
549 thickness = 7;
|
|
|
550 else
|
|
|
551 thickness = (7 * shape_table[idx].percentage + 90) / 100;
|
|
|
552 mch_set_cursor_shape(thickness);
|
|
|
553 }
|
|
|
554 #endif
|
|
|
555
|
|
|
556 /*
|
|
|
557 * Return amount of memory currently available.
|
|
|
558 */
|
|
|
559 long_u
|
|
|
560 mch_avail_mem(int special)
|
|
|
561 {
|
|
|
562 #ifdef DJGPP
|
|
|
563 return _go32_dpmi_remaining_virtual_memory();
|
|
|
564 #else
|
|
|
565 return coreleft();
|
|
|
566 #endif
|
|
|
567 }
|
|
|
568
|
|
|
569 #ifdef FEAT_MOUSE
|
|
|
570
|
|
|
571 /*
|
|
|
572 * Set area where mouse can be moved to: The whole screen.
|
|
|
573 * Rows and Columns must be valid when calling!
|
|
|
574 */
|
|
|
575 static void
|
|
|
576 mouse_area(void)
|
|
|
577 {
|
|
|
578 union REGS regs;
|
|
|
579
|
|
|
580 if (mouse_avail)
|
|
|
581 {
|
|
|
582 regs.x.cx = 0; /* mouse visible between cx and dx */
|
|
|
583 regs.x.dx = Columns * mouse_x_div - 1;
|
|
|
584 regs.x.ax = 7;
|
|
|
585 (void)int86(0x33, ®s, ®s);
|
|
|
586
|
|
|
587 regs.x.cx = 0; /* mouse visible between cx and dx */
|
|
|
588 regs.x.dx = Rows * mouse_y_div - 1;
|
|
|
589 regs.x.ax = 8;
|
|
|
590 (void)int86(0x33, ®s, ®s);
|
|
|
591 }
|
|
|
592 }
|
|
|
593
|
|
|
594 static void
|
|
|
595 show_mouse(int on)
|
|
|
596 {
|
|
|
597 static int was_on = FALSE;
|
|
|
598 union REGS regs;
|
|
|
599
|
|
|
600 if (mouse_avail)
|
|
|
601 {
|
|
|
602 if (!mouse_active || mouse_hidden)
|
|
|
603 on = FALSE;
|
|
|
604 /*
|
|
|
605 * Careful: Each switch on must be compensated by exactly one switch
|
|
|
606 * off
|
|
|
607 */
|
|
|
608 if ((on && !was_on) || (!on && was_on))
|
|
|
609 {
|
|
|
610 was_on = on;
|
|
|
611 regs.x.ax = on ? 1 : 2;
|
|
|
612 int86(0x33, ®s, ®s); /* show mouse */
|
|
|
613 if (on)
|
|
|
614 mouse_area();
|
|
|
615 }
|
|
|
616 }
|
|
|
617 }
|
|
|
618
|
|
|
619 #endif
|
|
|
620
|
|
|
621 /*
|
|
|
622 * Version of kbhit() and getch() that use direct console I/O.
|
|
|
623 * This avoids trouble with CTRL-P and the like, and should work over a telnet
|
|
|
624 * connection (it works for Xvi).
|
|
|
625 */
|
|
|
626
|
|
|
627 static int cons_key = -1;
|
|
|
628
|
|
|
629 /*
|
|
|
630 * Try to get one character directly from the console.
|
|
|
631 * If there is a key, it is stored in cons_key.
|
|
|
632 * Only call when cons_key is -1!
|
|
|
633 */
|
|
|
634 static void
|
|
|
635 cons_getkey(void)
|
|
|
636 {
|
|
|
637 union REGS regs;
|
|
|
638
|
|
|
639 /* call DOS function 6: Direct console I/O */
|
|
|
640 regs.h.ah = 0x06;
|
|
|
641 regs.h.dl = 0xff;
|
|
|
642 (void)intdos(®s, ®s);
|
|
|
643 if ((regs.x.flags & 0x40) == 0) /* zero flag not set? */
|
|
|
644 cons_key = (regs.h.al & 0xff);
|
|
|
645 }
|
|
|
646
|
|
|
647 /*
|
|
|
648 * Return TRUE if a character is available.
|
|
|
649 */
|
|
|
650 static int
|
|
|
651 cons_kbhit(void)
|
|
|
652 {
|
|
|
653 if (cons_key < 0)
|
|
|
654 cons_getkey();
|
|
|
655 return (cons_key >= 0);
|
|
|
656 }
|
|
|
657
|
|
|
658 /*
|
|
|
659 * Return a character from the console.
|
|
|
660 * Should only be called when vim_kbhit() returns TRUE.
|
|
|
661 */
|
|
|
662 static int
|
|
|
663 cons_getch(void)
|
|
|
664 {
|
|
|
665 int c = -1;
|
|
|
666
|
|
|
667 if (cons_key < 0)
|
|
|
668 cons_getkey();
|
|
|
669 c = cons_key;
|
|
|
670 cons_key = -1;
|
|
|
671 return c;
|
|
|
672 }
|
|
|
673
|
|
|
674
|
|
|
675 #ifdef DJGPP
|
|
|
676 /*
|
|
|
677 * DJGPP provides a kbhit() function that goes to the BIOS instead of DOS.
|
|
|
678 * This doesn't work for terminals connected to a serial port.
|
|
|
679 * Redefine kbhit() here to make it work.
|
|
|
680 */
|
|
|
681 static int
|
|
|
682 vim_kbhit(void)
|
|
|
683 {
|
|
|
684 union REGS regs;
|
|
|
685
|
|
|
686 regs.h.ah = 0x0b;
|
|
|
687 (void)intdos(®s, ®s);
|
|
|
688 return regs.h.al;
|
|
|
689 }
|
|
|
690
|
|
|
691 #ifdef kbhit
|
|
|
692 # undef kbhit /* might have been defined in conio.h */
|
|
|
693 #endif
|
|
|
694 #define kbhit() vim_kbhit()
|
|
|
695
|
|
|
696 #endif
|
|
|
697
|
|
|
698 /*
|
|
|
699 * Simulate WaitForChar() by slowly polling with bioskey(1) or kbhit().
|
|
|
700 *
|
|
|
701 * If Vim should work over the serial line after a 'ctty com1' we must use
|
|
|
702 * kbhit() and getch(). (jw)
|
|
|
703 * Usually kbhit() is not used, because then CTRL-C and CTRL-P
|
|
|
704 * will be catched by DOS (mool).
|
|
|
705 *
|
|
|
706 * return TRUE if a character is available, FALSE otherwise
|
|
|
707 */
|
|
|
708
|
|
|
709 #define FOREVER 1999999999L
|
|
|
710
|
|
|
711 static int
|
|
|
712 WaitForChar(long msec)
|
|
|
713 {
|
|
|
714 long starttime = 0;
|
|
|
715
|
|
|
716 if (msec != 0)
|
|
|
717 starttime = biostime(0, 0L);
|
|
|
718
|
|
|
719 for (;;)
|
|
|
720 {
|
|
|
721 #ifdef FEAT_MOUSE
|
|
|
722 long clicktime;
|
|
|
723 static int old_status = 0;
|
|
799
|
724 union REGS regs;
|
|
|
725 int x, y;
|
|
7
|
726
|
|
|
727 if (mouse_avail && mouse_active && mouse_click < 0)
|
|
|
728 {
|
|
|
729 regs.x.ax = 3;
|
|
|
730 int86(0x33, ®s, ®s); /* check mouse status */
|
|
|
731 /* only recognize button-down and button-up event */
|
|
|
732 x = regs.x.cx / mouse_x_div;
|
|
|
733 y = regs.x.dx / mouse_y_div;
|
|
|
734 if ((old_status == 0) != (regs.x.bx == 0))
|
|
|
735 {
|
|
|
736 if (old_status) /* button up */
|
|
|
737 mouse_click = MOUSE_RELEASE;
|
|
|
738 else /* button down */
|
|
|
739 {
|
|
|
740 /*
|
|
|
741 * Translate MSDOS mouse events to Vim mouse events.
|
|
|
742 * TODO: should handle middle mouse button, by pressing
|
|
|
743 * left and right at the same time.
|
|
|
744 */
|
|
|
745 if (regs.x.bx & MSDOS_MOUSE_LEFT)
|
|
|
746 mouse_click = MOUSE_LEFT;
|
|
|
747 else if (regs.x.bx & MSDOS_MOUSE_RIGHT)
|
|
|
748 mouse_click = MOUSE_RIGHT;
|
|
|
749 else if (regs.x.bx & MSDOS_MOUSE_MIDDLE)
|
|
|
750 mouse_click = MOUSE_MIDDLE;
|
|
|
751
|
|
|
752 /*
|
|
|
753 * Find out if this is a multi-click
|
|
|
754 */
|
|
|
755 clicktime = biostime(0, 0L);
|
|
|
756 if (mouse_click_x == x && mouse_click_y == y
|
|
|
757 && mouse_topline == curwin->w_topline
|
|
|
758 #ifdef FEAT_DIFF
|
|
|
759 && mouse_topfill == curwin->w_topfill
|
|
|
760 #endif
|
|
|
761 && mouse_click_count != 4
|
|
|
762 && mouse_click == mouse_last_click
|
|
|
763 && clicktime < mouse_click_time
|
|
|
764 + p_mouset / BIOSTICK)
|
|
|
765 ++mouse_click_count;
|
|
|
766 else
|
|
|
767 mouse_click_count = 1;
|
|
|
768 mouse_click_time = clicktime;
|
|
|
769 mouse_last_click = mouse_click;
|
|
|
770 mouse_click_x = x;
|
|
|
771 mouse_click_y = y;
|
|
|
772 mouse_topline = curwin->w_topline;
|
|
|
773 #ifdef FEAT_DIFF
|
|
|
774 mouse_topfill = curwin->w_topfill;
|
|
|
775 #endif
|
|
|
776 SET_NUM_MOUSE_CLICKS(mouse_click, mouse_click_count);
|
|
|
777 }
|
|
|
778 }
|
|
|
779 else if (old_status && (x != mouse_x || y != mouse_y))
|
|
|
780 mouse_click = MOUSE_DRAG;
|
|
|
781 old_status = regs.x.bx;
|
|
|
782 if (mouse_hidden && mouse_x >= 0 && (mouse_x != x || mouse_y != y))
|
|
|
783 {
|
|
|
784 mouse_hidden = FALSE;
|
|
|
785 show_mouse(TRUE);
|
|
|
786 }
|
|
|
787 mouse_x = x;
|
|
|
788 mouse_y = y;
|
|
|
789 }
|
|
|
790 #endif
|
|
|
791
|
|
|
792 if ((p_consk ? cons_kbhit()
|
|
|
793 : p_biosk ? bioskey(bioskey_ready) : kbhit())
|
|
|
794 || cbrk_pressed
|
|
|
795 #ifdef FEAT_MOUSE
|
|
|
796 || mouse_click >= 0
|
|
|
797 #endif
|
|
|
798 )
|
|
|
799 return TRUE;
|
|
|
800 /*
|
|
|
801 * Use biostime() to wait until our time is done.
|
|
|
802 * We busy-wait here. Unfortunately, delay() and usleep() have been
|
|
|
803 * reported to give problems with the original Windows 95. This is
|
|
|
804 * fixed in service pack 1, but not everybody installed that.
|
|
|
805 * The DJGPP implementation of usleep() uses a busy-wait loop too.
|
|
|
806 */
|
|
|
807 if (msec == 0 || (msec != FOREVER
|
|
|
808 && biostime(0, 0L) > starttime + msec / BIOSTICK))
|
|
|
809 break;
|
|
|
810
|
|
|
811 #ifdef DJGPP
|
|
|
812 /* Yield the CPU to the next process. */
|
|
|
813 __dpmi_yield();
|
|
|
814 #endif
|
|
|
815 }
|
|
|
816 return FALSE;
|
|
|
817 }
|
|
|
818
|
|
|
819 /*
|
|
|
820 * don't do anything for about "msec" msec
|
|
|
821 */
|
|
|
822 void
|
|
|
823 mch_delay(
|
|
|
824 long msec,
|
|
|
825 int ignoreinput)
|
|
|
826 {
|
|
|
827 long starttime;
|
|
|
828
|
|
|
829 if (ignoreinput)
|
|
|
830 {
|
|
|
831 /*
|
|
|
832 * We busy-wait here. Unfortunately, delay() and usleep() have been
|
|
|
833 * reported to give problems with the original Windows 95. This is
|
|
|
834 * fixed in service pack 1, but not everybody installed that.
|
|
|
835 */
|
|
|
836 starttime = biostime(0, 0L);
|
|
|
837 while (biostime(0, 0L) < starttime + msec / BIOSTICK)
|
|
|
838 ;
|
|
|
839 }
|
|
|
840 else
|
|
|
841 WaitForChar(msec);
|
|
|
842 }
|
|
|
843
|
|
|
844 /*
|
|
|
845 * mch_write(): write the output buffer to the screen
|
|
|
846 */
|
|
|
847 void
|
|
|
848 mch_write(
|
|
|
849 char_u *s,
|
|
|
850 int len)
|
|
|
851 {
|
|
|
852 char_u *p;
|
|
|
853 int row, col;
|
|
|
854
|
|
|
855 if (term_console && full_screen)
|
|
|
856 while (len--)
|
|
|
857 {
|
|
|
858 /* translate ESC | sequences into bios calls */
|
|
|
859 if (p_wd) /* testing: wait a bit for each char */
|
|
|
860 WaitForChar(p_wd);
|
|
|
861
|
|
|
862 if (s[0] == '\n')
|
|
|
863 #ifdef DJGPP
|
|
|
864 {
|
|
|
865 myflush();
|
|
|
866 S_iCurrentColumn = S_iLeft - 1;
|
|
|
867 }
|
|
|
868 #else
|
|
|
869 myputch('\r');
|
|
|
870 #endif
|
|
|
871 else if (s[0] == ESC && len > 1 && s[1] == '|')
|
|
|
872 {
|
|
|
873 switch (s[2])
|
|
|
874 {
|
|
|
875 #ifdef DJGPP
|
|
|
876 case 'B': ScreenVisualBell();
|
|
|
877 goto got3;
|
|
|
878 #endif
|
|
|
879 case 'J':
|
|
|
880 #ifdef DJGPP
|
|
|
881 myflush();
|
|
|
882 #endif
|
|
|
883 myclrscr();
|
|
|
884 goto got3;
|
|
|
885
|
|
|
886 case 'K':
|
|
|
887 #ifdef DJGPP
|
|
|
888 myflush();
|
|
|
889 #endif
|
|
|
890 myclreol();
|
|
|
891 goto got3;
|
|
|
892
|
|
|
893 case 'L':
|
|
|
894 #ifdef DJGPP
|
|
|
895 myflush();
|
|
|
896 #endif
|
|
|
897 myinsline();
|
|
|
898 goto got3;
|
|
|
899
|
|
|
900 case 'M':
|
|
|
901 #ifdef DJGPP
|
|
|
902 myflush();
|
|
|
903 #endif
|
|
|
904 mydelline();
|
|
|
905 got3: s += 3;
|
|
|
906 len -= 2;
|
|
|
907 continue;
|
|
|
908
|
|
|
909 case '0':
|
|
|
910 case '1':
|
|
|
911 case '2':
|
|
|
912 case '3':
|
|
|
913 case '4':
|
|
|
914 case '5':
|
|
|
915 case '6':
|
|
|
916 case '7':
|
|
|
917 case '8':
|
|
|
918 case '9': p = s + 2;
|
|
|
919 row = mygetdigits(&p); /* no check for length! */
|
|
|
920 if (p > s + len)
|
|
|
921 break;
|
|
|
922 if (*p == ';')
|
|
|
923 {
|
|
|
924 ++p;
|
|
|
925 col = mygetdigits(&p); /* no check for length! */
|
|
|
926 if (p > s + len)
|
|
|
927 break;
|
|
|
928 if (*p == 'H' || *p == 'r' || *p == 'V')
|
|
|
929 {
|
|
|
930 #ifdef DJGPP
|
|
|
931 myflush();
|
|
|
932 #endif
|
|
|
933 if (*p == 'H') /* set cursor position */
|
|
|
934 mygotoxy(col, row);
|
|
|
935 else if (*p == 'V')
|
|
|
936 mywindow(row, S_iTop, col, S_iBottom);
|
|
|
937 else /* set scroll region */
|
|
|
938 mywindow(S_iLeft, row, S_iRight, col);
|
|
|
939 len -= p - s;
|
|
|
940 s = p + 1;
|
|
|
941 continue;
|
|
|
942 }
|
|
|
943 }
|
|
|
944 else if (*p == 'm' || *p == 'f' || *p == 'b')
|
|
|
945 {
|
|
|
946 if (*p == 'm') /* set color */
|
|
|
947 {
|
|
|
948 if (row == 0)
|
|
|
949 mynormvideo();/* reset color */
|
|
|
950 else
|
|
|
951 mytextattr(row);
|
|
|
952 }
|
|
|
953 else if (*p == 'f') /* set foreground color */
|
|
|
954 mytextcolor(row);
|
|
|
955 else /* set background color */
|
|
|
956 mytextbackground(row);
|
|
|
957
|
|
|
958 len -= p - s;
|
|
|
959 s = p + 1;
|
|
|
960 continue;
|
|
|
961 }
|
|
|
962 }
|
|
|
963 }
|
|
|
964 myputch(*s++);
|
|
|
965 }
|
|
|
966 else
|
|
|
967 {
|
|
|
968 write(1, s, (unsigned)len);
|
|
|
969 }
|
|
|
970 }
|
|
|
971
|
|
|
972 /*
|
|
|
973 * mch_inchar(): low level input funcion.
|
|
|
974 * Get a characters from the keyboard.
|
|
|
975 * If time == 0 do not wait for characters.
|
|
|
976 * If time == n wait a short time for characters.
|
|
|
977 * If time == -1 wait forever for characters.
|
|
|
978 *
|
|
|
979 * return the number of characters obtained
|
|
|
980 */
|
|
|
981 int
|
|
|
982 mch_inchar(
|
|
|
983 char_u *buf,
|
|
|
984 int maxlen,
|
|
|
985 long time,
|
|
|
986 int tb_change_cnt)
|
|
|
987 {
|
|
|
988 int len = 0;
|
|
|
989 int c;
|
|
|
990 int tmp_c;
|
|
|
991 static int nextchar = 0; /* may keep character when maxlen == 1 */
|
|
|
992
|
|
|
993 /*
|
|
|
994 * if we got a ctrl-C when we were busy, there will be a "^C" somewhere
|
|
|
995 * on the sceen, so we need to redisplay it.
|
|
|
996 */
|
|
|
997 if (delayed_redraw)
|
|
|
998 {
|
|
|
999 delayed_redraw = FALSE;
|
|
|
1000 update_screen(CLEAR);
|
|
|
1001 setcursor();
|
|
|
1002 out_flush();
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 /* return remaining character from last call */
|
|
|
1006 if (nextchar)
|
|
|
1007 {
|
|
|
1008 *buf = nextchar;
|
|
|
1009 nextchar = 0;
|
|
|
1010 return 1;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 #ifdef FEAT_MOUSE
|
|
|
1014 if (time != 0)
|
|
|
1015 show_mouse(TRUE);
|
|
|
1016 #endif
|
|
|
1017 #ifdef DJGPP
|
|
|
1018 set_sys_cursor();
|
|
|
1019 #endif
|
|
|
1020 if (time >= 0)
|
|
|
1021 {
|
|
|
1022 if (WaitForChar(time) == 0) /* no character available */
|
|
|
1023 {
|
|
|
1024 #ifdef FEAT_MOUSE
|
|
|
1025 show_mouse(FALSE);
|
|
|
1026 #endif
|
|
|
1027 return 0;
|
|
|
1028 }
|
|
|
1029 }
|
|
|
1030 else /* time == -1 */
|
|
|
1031 {
|
|
|
1032 /*
|
|
|
1033 * If there is no character available within 2 seconds (default)
|
|
212
|
1034 * write the autoscript file to disk. Or cause the CursorHold event
|
|
|
1035 * to be triggered.
|
|
7
|
1036 */
|
|
212
|
1037 if (WaitForChar(p_ut) == 0)
|
|
7
|
1038 {
|
|
|
1039 #ifdef FEAT_AUTOCMD
|
|
610
|
1040 if (trigger_cursorhold() && maxlen >= 3)
|
|
7
|
1041 {
|
|
212
|
1042 buf[0] = K_SPECIAL;
|
|
|
1043 buf[1] = KS_EXTRA;
|
|
|
1044 buf[2] = (int)KE_CURSORHOLD;
|
|
|
1045 return 3;
|
|
7
|
1046 }
|
|
|
1047 #endif
|
|
370
|
1048 before_blocking();
|
|
7
|
1049 }
|
|
|
1050 }
|
|
|
1051 WaitForChar(FOREVER); /* wait for key or mouse click */
|
|
|
1052
|
|
|
1053 /*
|
|
|
1054 * Try to read as many characters as there are, until the buffer is full.
|
|
|
1055 */
|
|
|
1056 /*
|
|
|
1057 * we will get at least one key. Get more if they are available
|
|
|
1058 * After a ctrl-break we have to read a 0 (!) from the buffer.
|
|
|
1059 * bioskey(1) will return 0 if no key is available and when a
|
|
|
1060 * ctrl-break was typed. When ctrl-break is hit, this does not always
|
|
|
1061 * implies a key hit.
|
|
|
1062 */
|
|
|
1063 cbrk_pressed = FALSE;
|
|
|
1064 #ifdef FEAT_MOUSE
|
|
|
1065 if (mouse_click >= 0 && maxlen >= 5)
|
|
|
1066 {
|
|
|
1067 len = 5;
|
|
|
1068 *buf++ = ESC + 128;
|
|
|
1069 *buf++ = 'M';
|
|
|
1070 *buf++ = mouse_click;
|
|
|
1071 *buf++ = mouse_x + '!';
|
|
|
1072 *buf++ = mouse_y + '!';
|
|
|
1073 mouse_click = -1;
|
|
|
1074 }
|
|
|
1075 else
|
|
|
1076 #endif
|
|
|
1077 {
|
|
|
1078 #ifdef FEAT_MOUSE
|
|
|
1079 mouse_hidden = TRUE;
|
|
|
1080 #endif
|
|
|
1081 if (p_biosk && !p_consk)
|
|
|
1082 {
|
|
|
1083 while ((len == 0 || bioskey(bioskey_ready)) && len < maxlen)
|
|
|
1084 {
|
|
|
1085 c = translate_altkeys(bioskey(bioskey_read)); /* get the key */
|
|
|
1086 /*
|
|
|
1087 * translate a few things for inchar():
|
|
|
1088 * 0x0000 == CTRL-break -> 3 (CTRL-C)
|
|
|
1089 * 0x0300 == CTRL-@ -> NUL
|
|
|
1090 * 0xnn00 == extended key code -> K_NUL, nn
|
|
|
1091 * 0xnne0 == enhanced keyboard -> K_NUL, nn
|
|
|
1092 * K_NUL -> K_NUL, 3
|
|
|
1093 */
|
|
|
1094 if (c == 0)
|
|
|
1095 c = 3;
|
|
|
1096 else if (c == 0x0300)
|
|
|
1097 c = NUL;
|
|
|
1098 else if ((c & 0xff) == 0
|
|
|
1099 || c == K_NUL
|
|
|
1100 || c == 0x4e2b
|
|
|
1101 || c == 0x4a2d
|
|
|
1102 || c == 0x372a
|
|
|
1103 || ((c & 0xff) == 0xe0 && c != 0xe0))
|
|
|
1104 {
|
|
|
1105 if (c == K_NUL)
|
|
|
1106 c = 3;
|
|
|
1107 else
|
|
|
1108 c >>= 8;
|
|
|
1109 *buf++ = K_NUL;
|
|
|
1110 ++len;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 if (len < maxlen)
|
|
|
1114 {
|
|
|
1115 *buf++ = c;
|
|
|
1116 len++;
|
|
|
1117 #ifdef FEAT_MBYTE
|
|
|
1118 /* Convert from 'termencoding' to 'encoding'. Only
|
|
|
1119 * translate normal characters, not key codes. */
|
|
|
1120 if (input_conv.vc_type != CONV_NONE
|
|
|
1121 && (len == 1 || buf[-2] != K_NUL))
|
|
|
1122 len += convert_input(buf - 1, 1, maxlen - len + 1) - 1;
|
|
|
1123 #endif
|
|
|
1124 }
|
|
|
1125 else
|
|
|
1126 nextchar = c;
|
|
|
1127 }
|
|
|
1128 }
|
|
|
1129 else
|
|
|
1130 {
|
|
|
1131 while ((len == 0 || (p_consk ? cons_kbhit() : kbhit()))
|
|
|
1132 && len < maxlen)
|
|
|
1133 {
|
|
|
1134 switch (c = (p_consk ? cons_getch() : getch()))
|
|
|
1135 {
|
|
|
1136 case 0:
|
|
|
1137 /* NUL means that there is another character.
|
|
|
1138 * Get it immediately, because kbhit() doesn't always
|
|
|
1139 * return TRUE for the second character.
|
|
|
1140 */
|
|
|
1141 if (p_consk)
|
|
|
1142 c = cons_getch();
|
|
|
1143 else
|
|
|
1144 c = getch();
|
|
|
1145 tmp_c = translate_altkeys(c << 8);
|
|
|
1146 if (tmp_c == (c << 8))
|
|
|
1147 {
|
|
|
1148 *buf++ = K_NUL;
|
|
|
1149 ++len;
|
|
|
1150 }
|
|
|
1151 else
|
|
|
1152 c = tmp_c;
|
|
|
1153 break;
|
|
|
1154 case K_NUL:
|
|
|
1155 *buf++ = K_NUL;
|
|
|
1156 ++len;
|
|
|
1157 c = 3;
|
|
|
1158 break;
|
|
|
1159 case 3:
|
|
|
1160 cbrk_pressed = TRUE;
|
|
|
1161 /*FALLTHROUGH*/
|
|
|
1162 default:
|
|
|
1163 break;
|
|
|
1164 }
|
|
|
1165 if (len < maxlen)
|
|
|
1166 {
|
|
|
1167 *buf++ = c;
|
|
|
1168 ++len;
|
|
|
1169 }
|
|
|
1170 else
|
|
|
1171 nextchar = c;
|
|
|
1172 }
|
|
|
1173 }
|
|
|
1174 }
|
|
|
1175 #ifdef FEAT_MOUSE
|
|
|
1176 show_mouse(FALSE);
|
|
|
1177 #endif
|
|
|
1178
|
|
|
1179 beep_count = 0; /* may beep again now that we got some chars */
|
|
|
1180 return len;
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 /*
|
|
|
1184 * return non-zero if a character is available
|
|
|
1185 */
|
|
|
1186 int
|
|
|
1187 mch_char_avail(void)
|
|
|
1188 {
|
|
|
1189 return WaitForChar(0L);
|
|
|
1190 }
|
|
|
1191
|
|
|
1192 #ifdef DJGPP
|
|
|
1193 # define INT_ARG int
|
|
|
1194 #else
|
|
|
1195 # define INT_ARG
|
|
|
1196 #endif
|
|
|
1197
|
|
|
1198 /*
|
|
|
1199 * function for ctrl-break interrupt
|
|
|
1200 */
|
|
|
1201 static void interrupt
|
|
|
1202 #ifdef DJGPP
|
|
|
1203 catch_cbrk(int a)
|
|
|
1204 #else
|
|
|
1205 catch_cbrk(void)
|
|
|
1206 #endif
|
|
|
1207 {
|
|
|
1208 cbrk_pressed = TRUE;
|
|
|
1209 ctrlc_pressed = TRUE;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 #ifndef DJGPP
|
|
|
1213 /*
|
|
|
1214 * ctrl-break handler for DOS. Never called when a ctrl-break is typed, because
|
|
|
1215 * we catch interrupt 1b. If you type ctrl-C while Vim is waiting for a
|
|
|
1216 * character this function is not called. When a ctrl-C is typed while Vim is
|
|
|
1217 * busy this function may be called. By that time a ^C has been displayed on
|
|
|
1218 * the screen, so we have to redisplay the screen. We can't do that here,
|
|
|
1219 * because we may be called by DOS. The redraw is in mch_inchar().
|
|
|
1220 */
|
|
|
1221 static int _cdecl
|
|
|
1222 cbrk_handler(void)
|
|
|
1223 {
|
|
|
1224 delayed_redraw = TRUE;
|
|
|
1225 return 1; /* resume operation after ctrl-break */
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 /*
|
|
|
1229 * function for critical error interrupt
|
|
|
1230 * For DOS 1 and 2 return 0 (Ignore).
|
|
|
1231 * For DOS 3 and later return 3 (Fail)
|
|
|
1232 */
|
|
|
1233 static void interrupt
|
|
|
1234 catch_cint(bp, di, si, ds, es, dx, cx, bx, ax)
|
|
|
1235 unsigned bp, di, si, ds, es, dx, cx, bx, ax;
|
|
|
1236 {
|
|
|
1237 ax = (ax & 0xff00); /* set AL to 0 */
|
|
|
1238 if (_osmajor >= 3)
|
|
|
1239 ax |= 3; /* set AL to 3 */
|
|
|
1240 }
|
|
|
1241 #endif
|
|
|
1242
|
|
|
1243 /*
|
|
|
1244 * Set the interrupt vectors for use with Vim on or off.
|
|
|
1245 * on == TRUE means as used within Vim
|
|
|
1246 */
|
|
|
1247 static void
|
|
|
1248 set_interrupts(int on)
|
|
|
1249 {
|
|
|
1250 static int saved_cbrk;
|
|
|
1251 #ifndef DJGPP
|
|
|
1252 static void interrupt (*old_cint)();
|
|
|
1253 #endif
|
|
|
1254 static void interrupt (*old_cbrk)(INT_ARG);
|
|
|
1255
|
|
|
1256 if (on)
|
|
|
1257 {
|
|
|
1258 saved_cbrk = getcbrk(); /* save old ctrl-break setting */
|
|
|
1259 setcbrk(0); /* do not check for ctrl-break */
|
|
|
1260 #ifdef DJGPP
|
|
|
1261 old_cbrk = signal(SIGINT, catch_cbrk); /* critical error interrupt */
|
|
|
1262 #else
|
|
|
1263 old_cint = getvect(0x24); /* save old critical error interrupt */
|
|
|
1264 setvect(0x24, catch_cint); /* install our critical error interrupt */
|
|
|
1265 old_cbrk = getvect(0x1B); /* save old ctrl-break interrupt */
|
|
|
1266 setvect(0x1B, catch_cbrk); /* install our ctrl-break interrupt */
|
|
|
1267 ctrlbrk(cbrk_handler); /* vim's ctrl-break handler */
|
|
|
1268 #endif
|
|
|
1269 if (term_console)
|
|
|
1270 out_str(T_ME); /* set colors */
|
|
|
1271 }
|
|
|
1272 else
|
|
|
1273 {
|
|
|
1274 setcbrk(saved_cbrk); /* restore ctrl-break setting */
|
|
|
1275 #ifdef DJGPP
|
|
|
1276 signal(SIGINT,old_cbrk); /* critical error interrupt */
|
|
|
1277 #else
|
|
|
1278 setvect(0x24, old_cint); /* restore critical error interrupt */
|
|
|
1279 setvect(0x1B, old_cbrk); /* restore ctrl-break interrupt */
|
|
|
1280 #endif
|
|
|
1281 /* restore ctrl-break handler, how ??? */
|
|
|
1282 if (term_console)
|
|
|
1283 mynormvideo(); /* restore screen colors */
|
|
|
1284 }
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 /*
|
|
|
1288 * We have no job control, fake it by starting a new shell.
|
|
|
1289 */
|
|
|
1290 void
|
|
|
1291 mch_suspend(void)
|
|
|
1292 {
|
|
|
1293 suspend_shell();
|
|
|
1294 }
|
|
|
1295
|
|
|
1296 extern int _fmode;
|
|
|
1297
|
|
|
1298 /*
|
|
|
1299 * Prepare window for use by Vim.
|
|
|
1300 */
|
|
|
1301 void
|
|
|
1302 mch_init(void)
|
|
|
1303 {
|
|
|
1304 union REGS regs;
|
|
|
1305
|
|
|
1306 #if defined(DJGPP) && defined(FEAT_CLIPBOARD)
|
|
|
1307 __dpmi_regs dpmi_regs;
|
|
|
1308 #endif
|
|
|
1309
|
|
|
1310 /*
|
|
|
1311 * Get the video attributes at the cursor. These will be used as the
|
|
|
1312 * default attributes.
|
|
|
1313 */
|
|
|
1314 regs.h.ah = 0x08;
|
|
|
1315 regs.h.bh = 0x00; /* video page 0 */
|
|
|
1316 int86(0x10, ®s, ®s);
|
|
|
1317 orig_attr = regs.h.ah;
|
|
|
1318 mynormvideo();
|
|
|
1319 if (cterm_normal_fg_color == 0)
|
|
|
1320 cterm_normal_fg_color = (orig_attr & 0xf) + 1;
|
|
|
1321 if (cterm_normal_bg_color == 0)
|
|
|
1322 cterm_normal_bg_color = ((orig_attr >> 4) & 0xf) + 1;
|
|
|
1323
|
|
|
1324 term_console = TRUE; /* assume using the console for the things here */
|
|
|
1325 _fmode = O_BINARY; /* we do our own CR-LF translation */
|
|
|
1326 out_flush();
|
|
|
1327 set_interrupts(TRUE); /* catch interrupts */
|
|
|
1328
|
|
|
1329 #ifdef DJGPP
|
|
|
1330 /*
|
|
|
1331 * Use Long File Names by default, if $LFN not set.
|
|
|
1332 */
|
|
|
1333 if (getenv("LFN") == NULL)
|
|
|
1334 putenv("LFN=y");
|
|
|
1335
|
|
|
1336 get_screenbase();
|
|
|
1337 #endif
|
|
|
1338
|
|
|
1339 #ifdef FEAT_MOUSE
|
|
|
1340 /* find out if a MS compatible mouse is available */
|
|
|
1341 regs.x.ax = 0;
|
|
|
1342 (void)int86(0x33, ®s, ®s);
|
|
|
1343 mouse_avail = regs.x.ax;
|
|
|
1344 /* best guess for mouse coordinate computations */
|
|
|
1345 mch_get_shellsize();
|
|
|
1346 if (Columns <= 40)
|
|
|
1347 mouse_x_div = 16;
|
|
|
1348 if (Rows == 30)
|
|
|
1349 mouse_y_div = 16;
|
|
|
1350 #endif
|
|
|
1351
|
|
|
1352 /*
|
|
|
1353 * Try switching to 16 colors for background, instead of 8 colors and
|
|
|
1354 * blinking. Does this always work? Can the old value be restored?
|
|
|
1355 */
|
|
|
1356 regs.x.ax = 0x1003;
|
|
|
1357 regs.h.bl = 0x00;
|
|
|
1358 regs.h.bh = 0x00;
|
|
|
1359 int86(0x10, ®s, ®s);
|
|
|
1360
|
|
|
1361 /*
|
|
|
1362 * Test if we have an enhanced AT keyboard. Write 0xFFFF to the keyboard
|
|
|
1363 * buffer and try to read it back. If we can't in 16 tries, it's an old
|
|
|
1364 * type XT keyboard.
|
|
|
1365 */
|
|
|
1366 regs.h.ah = 0x05;
|
|
|
1367 regs.x.cx = 0xffff;
|
|
|
1368 int86(0x16, ®s, ®s);
|
|
|
1369 if (regs.h.al != 1) /* skip this when keyboard buffer is full */
|
|
|
1370 {
|
|
|
1371 int i;
|
|
|
1372
|
|
|
1373 for (i = 0; i < 16; ++i)
|
|
|
1374 {
|
|
|
1375 regs.h.ah = 0x10;
|
|
|
1376 int86(0x16, ®s, ®s);
|
|
|
1377 if (regs.x.ax == 0xffff)
|
|
|
1378 break;
|
|
|
1379 }
|
|
|
1380 if (i == 16) /* 0xffff not read, must be old keyboard */
|
|
|
1381 {
|
|
|
1382 bioskey_read = 0;
|
|
|
1383 bioskey_ready = 1;
|
|
|
1384 }
|
|
|
1385 }
|
|
|
1386
|
|
|
1387 #ifdef MCH_CURSOR_SHAPE
|
|
|
1388 /* Save the old cursor shape */
|
|
|
1389 mch_restore_cursor_shape(FALSE);
|
|
|
1390 /* Initialise the cursor shape */
|
|
|
1391 mch_update_cursor();
|
|
|
1392 #endif
|
|
|
1393
|
|
|
1394 #if defined(DJGPP) && defined(FEAT_CLIPBOARD)
|
|
|
1395 /*
|
|
|
1396 * Check to see if the Windows clipboard is available, ie. are we
|
|
|
1397 * running from a DOS session within Windows. Obviously, the Windows
|
|
|
1398 * clipboard will not be available if we're running under pure DOS.
|
|
|
1399 *
|
|
|
1400 * int 0x2f, AX = 0x1700 identifies the Windows version we're running
|
|
|
1401 * under. Upon return from the interrupt, if AX is unchanged, we're
|
|
|
1402 * running under pure DOS and no Windows clipboard is available.
|
|
|
1403 *
|
|
|
1404 * Remark: could use int86() here but __dpmi_int() is recommended in
|
|
|
1405 * the DJGPP docs, since int86() doesn't cover all available interrupts.
|
|
|
1406 */
|
|
|
1407 dpmi_regs.x.ax = 0x1700;
|
|
|
1408 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
1409 /* real-mode interrupt failed? */
|
|
|
1410 dpmi_regs.x.ax = 0x1700; /* force failure */
|
|
|
1411
|
|
|
1412 if (dpmi_regs.x.ax == 0x1700) /* no change in AX? */
|
|
|
1413 clip_init(FALSE); /* no clipboard available, too bad */
|
|
|
1414 else /* else, running under Windows, OK */
|
|
|
1415 clip_init(TRUE); /* clipboard is available */
|
|
|
1416 #endif
|
|
|
1417 }
|
|
|
1418
|
|
|
1419 int
|
|
|
1420 mch_check_win(
|
|
|
1421 int argc,
|
|
|
1422 char **argv)
|
|
|
1423 {
|
|
|
1424 /* store argv[0], may be used for $VIM */
|
|
|
1425 if (*argv[0] != NUL)
|
|
|
1426 exe_name = FullName_save((char_u *)argv[0], FALSE);
|
|
|
1427
|
|
|
1428 /*
|
|
|
1429 * Try the DOS search path. The executable may in
|
|
|
1430 * fact be called differently, so try this last.
|
|
|
1431 */
|
|
|
1432 if (exe_name == NULL || *exe_name == NUL)
|
|
|
1433 exe_name = searchpath("vim.exe");
|
|
|
1434
|
|
|
1435 if (isatty(1))
|
|
|
1436 return OK;
|
|
|
1437 return FAIL;
|
|
|
1438 }
|
|
|
1439
|
|
|
1440 /*
|
|
|
1441 * Return TRUE if the input comes from a terminal, FALSE otherwise.
|
|
|
1442 */
|
|
|
1443 int
|
|
|
1444 mch_input_isatty(void)
|
|
|
1445 {
|
|
|
1446 if (isatty(read_cmd_fd))
|
|
|
1447 return TRUE;
|
|
|
1448 return FALSE;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451 #if defined(USE_FNAME_CASE) || defined(PROTO)
|
|
|
1452 /*
|
|
|
1453 * fname_case(): Set the case of the file name, if it already exists.
|
|
|
1454 * TODO: should expand short to long file names. Need to use DOS interrupts,
|
|
|
1455 * see DJGPP sources libc/dos/dir/findfirs.c.
|
|
|
1456 */
|
|
|
1457 void
|
|
|
1458 fname_case(char_u *name, int len)
|
|
|
1459 {
|
|
|
1460 char_u *tail;
|
|
|
1461 struct ffblk fb;
|
|
|
1462
|
|
|
1463 slash_adjust(name);
|
|
|
1464 if (findfirst(name, &fb, 0) == 0)
|
|
|
1465 {
|
|
|
1466 tail = gettail(name);
|
|
|
1467 if (len == 0 ? STRLEN(tail) == STRLEN(fb.ff_name)
|
|
|
1468 : (tail - name) + STRLEN(fb.ff_name) < len)
|
|
|
1469 STRCPY(tail, fb.ff_name);
|
|
|
1470 }
|
|
|
1471 }
|
|
|
1472 #endif
|
|
|
1473
|
|
|
1474 /*
|
|
|
1475 * return process ID
|
|
|
1476 */
|
|
|
1477 long
|
|
|
1478 mch_get_pid(void)
|
|
|
1479 {
|
|
|
1480 return (long)0;
|
|
|
1481 }
|
|
|
1482
|
|
|
1483 /*
|
|
|
1484 * Change default drive (just like _chdrive of Borland C 3.1)
|
|
|
1485 */
|
|
|
1486 static int
|
|
|
1487 change_drive(int drive)
|
|
|
1488 {
|
|
|
1489 union REGS regs;
|
|
|
1490
|
|
|
1491 regs.h.ah = 0x0e;
|
|
|
1492 regs.h.dl = drive - 1;
|
|
|
1493 intdos(®s, ®s); /* set default drive */
|
|
|
1494 regs.h.ah = 0x19;
|
|
|
1495 intdos(®s, ®s); /* get default drive */
|
|
|
1496 if (regs.h.al == drive - 1)
|
|
|
1497 return 0;
|
|
|
1498 return -1;
|
|
|
1499 }
|
|
|
1500
|
|
|
1501 /*
|
|
|
1502 * Get absolute file name into buffer 'buf' of length 'len' bytes.
|
|
|
1503 * All slashes are replaced with backslashes, to avoid trouble when comparing
|
|
|
1504 * file names. When 'shellslash' set do it the other way around.
|
|
|
1505 *
|
|
|
1506 * return FAIL for failure, OK otherwise
|
|
|
1507 */
|
|
|
1508 int
|
|
|
1509 mch_FullName(
|
|
|
1510 char_u *fname,
|
|
|
1511 char_u *buf,
|
|
|
1512 int len,
|
|
|
1513 int force)
|
|
|
1514 {
|
|
|
1515 if (!force && mch_isFullName(fname)) /* already expanded */
|
|
|
1516 {
|
|
418
|
1517 vim_strncpy(buf, fname, len - 1);
|
|
7
|
1518 slash_adjust(buf);
|
|
|
1519 return OK;
|
|
|
1520 }
|
|
|
1521
|
|
|
1522 #ifdef __BORLANDC__ /* Only Borland C++ has this */
|
|
|
1523 if (_fullpath((char *)buf, (char *)fname, len - 1) == NULL)
|
|
|
1524 return FAIL;
|
|
|
1525 return OK;
|
|
|
1526 #else /* almost the same as mch_FullName() in os_unix.c */
|
|
|
1527 {
|
|
|
1528 # if 1
|
|
|
1529 char_u fullpath[MAXPATHL];
|
|
|
1530
|
|
|
1531 if (!_truename(fname, fullpath))
|
|
|
1532 return FAIL;
|
|
|
1533 slash_adjust(fullpath); /* Only needed when 'shellslash' set */
|
|
418
|
1534 vim_strncpy(buf, fullpath, len - 1);
|
|
7
|
1535 return OK;
|
|
|
1536
|
|
|
1537 # else /* Old code, to be deleted... */
|
|
|
1538 int l;
|
|
|
1539 char_u olddir[MAXPATHL];
|
|
|
1540 char_u *p, *q;
|
|
|
1541 int c;
|
|
|
1542 int retval = OK;
|
|
|
1543
|
|
|
1544 *buf = 0;
|
|
|
1545 /*
|
|
|
1546 * change to the directory for a moment,
|
|
|
1547 * and then do the getwd() (and get back to where we were).
|
|
|
1548 * This will get the correct path name with "../" things.
|
|
|
1549 */
|
|
|
1550 p = vim_strrchr(fname, '/');
|
|
|
1551 q = vim_strrchr(fname, '\\');
|
|
|
1552 if (q != NULL && (p == NULL || q > p))
|
|
|
1553 p = q;
|
|
|
1554 q = vim_strrchr(fname, ':');
|
|
|
1555 if (q != NULL && (p == NULL || q > p))
|
|
|
1556 p = q;
|
|
|
1557 if (p != NULL)
|
|
|
1558 {
|
|
|
1559 if (getcwd(olddir, MAXPATHL) == NULL)
|
|
|
1560 {
|
|
|
1561 p = NULL; /* can't get current dir: don't chdir */
|
|
|
1562 retval = FAIL;
|
|
|
1563 }
|
|
|
1564 else
|
|
|
1565 {
|
|
|
1566 if (p == fname) /* /fname */
|
|
|
1567 q = p + 1; /* -> / */
|
|
|
1568 else if (q + 1 == p) /* ... c:\foo */
|
|
|
1569 q = p + 1; /* -> c:\ */
|
|
|
1570 else /* but c:\foo\bar */
|
|
|
1571 q = p; /* -> c:\foo */
|
|
|
1572
|
|
|
1573 c = *q; /* truncate at start of fname */
|
|
|
1574 *q = NUL;
|
|
|
1575 # ifdef DJGPP
|
|
|
1576 STRCPY(buf, fname);
|
|
|
1577 slash_adjust(buf); /* needed when fname starts with \ */
|
|
|
1578 if (mch_chdir(buf)) /* change to the directory */
|
|
|
1579 # else
|
|
|
1580 if (mch_chdir(fname)) /* change to the directory */
|
|
|
1581 # endif
|
|
|
1582 retval = FAIL;
|
|
|
1583 else
|
|
|
1584 {
|
|
|
1585 fname = q;
|
|
|
1586 if (c == psepc) /* if we cut the name at a */
|
|
|
1587 fname++; /* '\', don't add it again */
|
|
|
1588 }
|
|
|
1589 *q = c;
|
|
|
1590 }
|
|
|
1591 }
|
|
|
1592 if (getcwd(buf, len) == NULL)
|
|
|
1593 {
|
|
|
1594 retval = FAIL;
|
|
|
1595 *buf = NUL;
|
|
|
1596 }
|
|
|
1597 # ifdef USE_FNAME_CASE
|
|
|
1598 else
|
|
|
1599 {
|
|
|
1600 char_u *head;
|
|
|
1601 char_u *tail;
|
|
|
1602 struct ffblk fb;
|
|
|
1603 int c;
|
|
|
1604 int added;
|
|
|
1605
|
|
|
1606 /* Apparently "longna~1" isn't expanded by getcwd(), at least not
|
|
|
1607 * for DJGPP. Expand it here. Have to do each dirname
|
|
|
1608 * separately. */
|
|
|
1609 slash_adjust(buf);
|
|
|
1610 head = buf;
|
|
|
1611 if (isalpha(*head) && head[1] == ':')
|
|
|
1612 head += 2; /* skip "c:" */
|
|
|
1613 while (*head != NUL)
|
|
|
1614 {
|
|
|
1615 /* Advance "head" to the start of a dirname and "tail" to just
|
|
|
1616 * after it. */
|
|
|
1617 while (*head == '/' || *head == '\\')
|
|
|
1618 ++head;
|
|
|
1619 for (tail = head; *tail != NUL; ++tail)
|
|
|
1620 if (*tail == '/' || *tail == '\\')
|
|
|
1621 break;
|
|
|
1622 c = *tail;
|
|
|
1623 *tail = NUL;
|
|
|
1624
|
|
|
1625 if (findfirst(buf, &fb, FA_DIREC) == 0)
|
|
|
1626 {
|
|
|
1627 added = STRLEN(fb.ff_name);
|
|
|
1628 if ((head - buf) + added + STRLEN(tail + 1) + 2 < len)
|
|
|
1629 {
|
|
|
1630 added -= (tail - head);
|
|
|
1631 if (added != 0)
|
|
|
1632 mch_memmove(tail + 1 + added, tail + 1,
|
|
|
1633 STRLEN(tail + 1) + 1);
|
|
|
1634 STRCPY(head, fb.ff_name);
|
|
|
1635 tail += added;
|
|
|
1636 }
|
|
|
1637 }
|
|
|
1638 *tail = c;
|
|
|
1639 head = tail;
|
|
|
1640 }
|
|
|
1641 }
|
|
|
1642 # endif
|
|
|
1643 if (p != NULL)
|
|
|
1644 mch_chdir(olddir);
|
|
|
1645 /*
|
|
|
1646 * Concatenate the file name to the path.
|
|
|
1647 */
|
|
|
1648 if (*fname != NUL)
|
|
|
1649 {
|
|
|
1650 l = STRLEN(buf);
|
|
|
1651 if (l > 0 && buf[l - 1] != '/' && buf[l - 1] != '\\')
|
|
|
1652 strcat(buf, pseps);
|
|
|
1653 strcat(buf, fname);
|
|
|
1654 }
|
|
|
1655 return retval;
|
|
|
1656 # endif
|
|
|
1657 }
|
|
|
1658 #endif
|
|
|
1659 }
|
|
|
1660
|
|
|
1661 /*
|
|
|
1662 * Replace all slashes by backslashes.
|
|
|
1663 * This used to be the other way around, but MS-DOS sometimes has problems
|
|
|
1664 * with slashes (e.g. in a command name). We can't have mixed slashes and
|
|
|
1665 * backslashes, because comparing file names will not work correctly. The
|
|
|
1666 * commands that use a file name should try to avoid the need to type a
|
|
|
1667 * backslash twice.
|
|
|
1668 * When 'shellslash' set do it the other way around.
|
|
|
1669 */
|
|
|
1670 void
|
|
|
1671 slash_adjust(char_u *p)
|
|
|
1672 {
|
|
|
1673 #ifdef OLD_DJGPP /* this seems to have been fixed in DJGPP 2.01 */
|
|
|
1674 /* DJGPP can't handle a file name that starts with a backslash, and when it
|
|
|
1675 * starts with a slash there should be no backslashes */
|
|
|
1676 if (*p == '\\' || *p == '/')
|
|
|
1677 while (*p)
|
|
|
1678 {
|
|
|
1679 if (*p == '\\')
|
|
|
1680 *p = '/';
|
|
39
|
1681 mb_ptr_adv(p);
|
|
7
|
1682 }
|
|
|
1683 else
|
|
|
1684 #endif
|
|
|
1685 while (*p)
|
|
|
1686 {
|
|
|
1687 if (*p == psepcN)
|
|
|
1688 *p = psepc;
|
|
39
|
1689 mb_ptr_adv(p);
|
|
7
|
1690 }
|
|
|
1691 }
|
|
|
1692
|
|
|
1693 /*
|
|
|
1694 * Return TRUE if "fname" does not depend on the current directory.
|
|
|
1695 */
|
|
|
1696 int
|
|
|
1697 mch_isFullName(char_u *fname)
|
|
|
1698 {
|
|
|
1699 /* A name like "d:/foo" and "//server/share" is absolute */
|
|
|
1700 return (fname[0] != NUL && fname[1] == ':'
|
|
|
1701 && (fname[2] == '/' || fname[2] == '\\'))
|
|
|
1702 || (fname[0] == fname[1] && (fname[0] == '/' || fname[0] == '\\'));
|
|
|
1703 }
|
|
|
1704
|
|
|
1705
|
|
|
1706 void
|
|
|
1707 mch_early_init(void)
|
|
|
1708 {
|
|
|
1709 }
|
|
|
1710
|
|
|
1711 /*
|
|
|
1712 * Careful: mch_exit() may be called before mch_init()!
|
|
|
1713 */
|
|
|
1714 void
|
|
|
1715 mch_exit(int r)
|
|
|
1716 {
|
|
|
1717 settmode(TMODE_COOK);
|
|
|
1718 stoptermcap();
|
|
|
1719 set_interrupts(FALSE); /* restore interrupts */
|
|
|
1720 #ifdef DJGPP
|
|
|
1721 set_sys_cursor();
|
|
|
1722 #endif
|
|
|
1723 /* Somehow outputting CR-NL causes the original colors to be restored */
|
|
|
1724 out_char('\r');
|
|
|
1725 out_char('\n');
|
|
|
1726 out_flush();
|
|
|
1727 ml_close_all(TRUE); /* remove all memfiles */
|
|
|
1728 #ifdef MCH_CURSOR_SHAPE
|
|
|
1729 mch_restore_cursor_shape(TRUE);
|
|
|
1730 #endif
|
|
|
1731 exit(r);
|
|
|
1732 }
|
|
|
1733
|
|
|
1734 /*
|
|
|
1735 * set the tty in (raw) ? "raw" : "cooked" mode
|
|
|
1736 * Does not change the tty, as bioskey() and kbhit() work raw all the time.
|
|
|
1737 */
|
|
|
1738 void
|
|
|
1739 mch_settmode(int tmode)
|
|
|
1740 {
|
|
|
1741 }
|
|
|
1742
|
|
|
1743 #ifdef FEAT_MOUSE
|
|
|
1744 void
|
|
|
1745 mch_setmouse(int on)
|
|
|
1746 {
|
|
|
1747 mouse_active = on;
|
|
|
1748 mouse_hidden = TRUE; /* dont show it until moved */
|
|
|
1749 }
|
|
|
1750 #endif
|
|
|
1751
|
|
|
1752 /*
|
|
|
1753 * set screen mode
|
|
|
1754 * return FAIL for failure, OK otherwise
|
|
|
1755 */
|
|
|
1756 int
|
|
|
1757 mch_screenmode(char_u *arg)
|
|
|
1758 {
|
|
|
1759 int mode;
|
|
|
1760 int i;
|
|
|
1761 static char *(names[]) = {"BW40", "C40", "BW80", "C80", "MONO", "C4350"};
|
|
|
1762 static int modes[] = { BW40, C40, BW80, C80, MONO, C4350};
|
|
|
1763
|
|
|
1764 mode = -1;
|
|
|
1765 if (VIM_ISDIGIT(*arg)) /* mode number given */
|
|
|
1766 mode = atoi((char *)arg);
|
|
|
1767 else
|
|
|
1768 {
|
|
|
1769 for (i = 0; i < sizeof(names) / sizeof(char_u *); ++i)
|
|
|
1770 if (stricmp(names[i], (char *)arg) == 0)
|
|
|
1771 {
|
|
|
1772 mode = modes[i];
|
|
|
1773 break;
|
|
|
1774 }
|
|
|
1775 }
|
|
|
1776 if (mode == -1)
|
|
|
1777 {
|
|
|
1778 EMSG("E362: Unsupported screen mode");
|
|
|
1779 return FAIL;
|
|
|
1780 }
|
|
|
1781 textmode(mode); /* use Borland function */
|
|
|
1782 #ifdef DJGPP
|
|
|
1783 /* base address may have changed */
|
|
|
1784 get_screenbase();
|
|
|
1785 #endif
|
|
|
1786
|
|
|
1787 /* Screen colors may have changed. */
|
|
|
1788 out_str(T_ME);
|
|
|
1789
|
|
|
1790 #ifdef FEAT_MOUSE
|
|
|
1791 if (mode <= 1 || mode == 4 || mode == 5 || mode == 13 || mode == 0x13)
|
|
|
1792 mouse_x_div = 16;
|
|
|
1793 else
|
|
|
1794 mouse_x_div = 8;
|
|
|
1795 if (mode == 0x11 || mode == 0x12)
|
|
|
1796 mouse_y_div = 16;
|
|
|
1797 else if (mode == 0x10)
|
|
|
1798 mouse_y_div = 14;
|
|
|
1799 else
|
|
|
1800 mouse_y_div = 8;
|
|
|
1801 shell_resized();
|
|
|
1802 #endif
|
|
|
1803 return OK;
|
|
|
1804 }
|
|
|
1805
|
|
|
1806 /*
|
|
|
1807 * Structure used by Turbo-C/Borland-C to store video parameters.
|
|
|
1808 */
|
|
|
1809 #ifndef DJGPP
|
|
|
1810 extern struct text_info _video;
|
|
|
1811 #endif
|
|
|
1812
|
|
|
1813 /*
|
|
|
1814 * try to get the real window size
|
|
|
1815 * return FAIL for failure, OK otherwise
|
|
|
1816 */
|
|
|
1817 int
|
|
|
1818 mch_get_shellsize(void)
|
|
|
1819 {
|
|
|
1820 struct text_info textinfo;
|
|
|
1821
|
|
|
1822 /*
|
|
|
1823 * The screenwidth is returned by the BIOS OK.
|
|
|
1824 * The screenheight is in a location in the bios RAM, if the display is
|
|
|
1825 * EGA or VGA.
|
|
|
1826 */
|
|
|
1827 if (!term_console)
|
|
|
1828 return FAIL;
|
|
|
1829 gettextinfo(&textinfo);
|
|
|
1830 Columns = textinfo.screenwidth;
|
|
|
1831 Rows = textinfo.screenheight;
|
|
|
1832 #ifndef DJGPP
|
|
|
1833 if (textinfo.currmode > 10)
|
|
|
1834 Rows = *(char far *)MK_FP(0x40, 0x84) + 1;
|
|
|
1835 #endif
|
|
|
1836
|
|
|
1837 if (Columns < MIN_COLUMNS || Rows < MIN_LINES)
|
|
|
1838 {
|
|
|
1839 /* these values are overwritten by termcap size or default */
|
|
|
1840 Columns = 80;
|
|
|
1841 Rows = 25;
|
|
|
1842 return FAIL;
|
|
|
1843 }
|
|
|
1844 #ifdef DJGPP
|
|
|
1845 mytextinit(&textinfo); /* Added by JML, 1/15/98 */
|
|
|
1846 #endif
|
|
|
1847
|
|
|
1848 return OK;
|
|
|
1849 }
|
|
|
1850
|
|
|
1851 /*
|
|
|
1852 * Set the active window for delline/insline.
|
|
|
1853 */
|
|
|
1854 static void
|
|
|
1855 set_window(void)
|
|
|
1856 {
|
|
|
1857 if (term_console)
|
|
|
1858 {
|
|
|
1859 #ifndef DJGPP
|
|
|
1860 _video.screenheight = Rows;
|
|
|
1861 #endif
|
|
|
1862 mywindow(1, 1, Columns, Rows);
|
|
|
1863 }
|
|
|
1864 screen_start();
|
|
|
1865 }
|
|
|
1866
|
|
|
1867 void
|
|
|
1868 mch_set_shellsize(void)
|
|
|
1869 {
|
|
|
1870 /* Should try to set the window size to Rows and Columns.
|
|
|
1871 * May involve switching display mode....
|
|
|
1872 * We assume the user knows the size and just use it. */
|
|
|
1873 }
|
|
|
1874
|
|
|
1875 /*
|
|
|
1876 * Rows and/or Columns has changed.
|
|
|
1877 */
|
|
|
1878 void
|
|
|
1879 mch_new_shellsize()
|
|
|
1880 {
|
|
|
1881 #ifdef FEAT_MOUSE
|
|
|
1882 /* best guess for mouse coordinate computations */
|
|
|
1883 if (Columns <= 40)
|
|
|
1884 mouse_x_div = 16;
|
|
|
1885 if (Rows == 30)
|
|
|
1886 mouse_y_div = 16;
|
|
|
1887 #endif
|
|
|
1888 set_window();
|
|
|
1889 #ifdef FEAT_MOUSE
|
|
|
1890 mouse_area(); /* set area where mouse can go */
|
|
|
1891 #endif
|
|
|
1892 }
|
|
|
1893
|
|
|
1894 #if defined(DJGPP) || defined(PROTO)
|
|
|
1895 /*
|
|
|
1896 * Check the number of Columns with a BIOS call. This avoids a crash of the
|
|
|
1897 * DOS console when 'columns' is set to a too large value.
|
|
|
1898 */
|
|
|
1899 void
|
|
|
1900 mch_check_columns()
|
|
|
1901 {
|
|
|
1902 static union REGS regs;
|
|
|
1903
|
|
|
1904 regs.h.ah = 0x0f;
|
|
|
1905 (void)int86(0x10, ®s, ®s);
|
|
|
1906 if ((unsigned)Columns > (unsigned)regs.h.ah)
|
|
|
1907 Columns = (unsigned)regs.h.ah;
|
|
|
1908 }
|
|
|
1909 #endif
|
|
|
1910
|
|
|
1911 /*
|
|
|
1912 * call shell, return FAIL for failure, OK otherwise
|
|
|
1913 * options: SHELL_*, see vim.h.
|
|
|
1914 */
|
|
|
1915 int
|
|
|
1916 mch_call_shell(
|
|
|
1917 char_u *cmd,
|
|
|
1918 int options)
|
|
|
1919 {
|
|
|
1920 int x;
|
|
|
1921 int tmode = cur_tmode;
|
|
|
1922 #ifndef DJGPP
|
|
|
1923 char_u *newcmd;
|
|
|
1924 #endif
|
|
|
1925
|
|
|
1926 out_flush();
|
|
|
1927 #ifdef DJGPP
|
|
|
1928 set_sys_cursor();
|
|
|
1929 #endif
|
|
|
1930
|
|
|
1931 if (options & SHELL_COOKED)
|
|
|
1932 settmode(TMODE_COOK); /* set to normal mode */
|
|
|
1933 set_interrupts(FALSE); /* restore interrupts */
|
|
|
1934
|
|
|
1935 #ifdef DJGPP
|
|
|
1936 /* ignore signals while external command is running */
|
|
|
1937 signal(SIGINT, SIG_IGN);
|
|
|
1938 signal(SIGHUP, SIG_IGN);
|
|
|
1939 signal(SIGQUIT, SIG_IGN);
|
|
|
1940 signal(SIGTERM, SIG_IGN);
|
|
|
1941 #endif
|
|
|
1942 if (cmd == NULL)
|
|
|
1943 x = system((char *)p_sh);
|
|
|
1944 else
|
|
|
1945 {
|
|
|
1946 #ifdef DJGPP
|
|
|
1947 /*
|
|
|
1948 * Use 'shell' for system().
|
|
|
1949 */
|
|
|
1950 setenv("SHELL", (char *)p_sh, 1);
|
|
|
1951 x = system(cmd);
|
|
|
1952 #else
|
|
|
1953 /* we use "command" to start the shell, slow but easy */
|
|
|
1954 newcmd = alloc(STRLEN(p_sh) + STRLEN(p_shcf) + STRLEN(cmd) + 3);
|
|
|
1955 if (newcmd == NULL)
|
|
|
1956 x = -1;
|
|
|
1957 else
|
|
|
1958 {
|
|
|
1959 sprintf((char *)newcmd, "%s %s %s", p_sh, p_shcf, cmd);
|
|
|
1960 x = system((char *)newcmd);
|
|
|
1961 vim_free(newcmd);
|
|
|
1962 }
|
|
|
1963 #endif
|
|
|
1964 }
|
|
|
1965 #ifdef DJGPP
|
|
|
1966 signal(SIGINT, SIG_DFL);
|
|
|
1967 signal(SIGHUP, SIG_DFL);
|
|
|
1968 signal(SIGQUIT, SIG_DFL);
|
|
|
1969 signal(SIGTERM, SIG_DFL);
|
|
|
1970 #endif
|
|
|
1971 if (tmode == TMODE_RAW)
|
|
|
1972 settmode(TMODE_RAW); /* set to raw mode */
|
|
|
1973 set_interrupts(TRUE); /* catch interrupts */
|
|
|
1974
|
|
|
1975 if (x && !(options & SHELL_SILENT) && !emsg_silent)
|
|
|
1976 {
|
|
|
1977 MSG_PUTS("\nshell returned ");
|
|
|
1978 msg_outnum((long)x);
|
|
|
1979 msg_putchar('\n');
|
|
|
1980 }
|
|
|
1981
|
|
|
1982 return x;
|
|
|
1983 }
|
|
|
1984
|
|
|
1985 /*
|
|
|
1986 * check for an "interrupt signal": CTRL-break or CTRL-C
|
|
|
1987 */
|
|
|
1988 void
|
|
|
1989 mch_breakcheck(void)
|
|
|
1990 {
|
|
|
1991 if (ctrlc_pressed)
|
|
|
1992 {
|
|
|
1993 ctrlc_pressed = FALSE;
|
|
|
1994 got_int = TRUE;
|
|
|
1995 }
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 /*
|
|
|
1999 * Return TRUE if "p" contain a wildcard that can be expanded by
|
|
|
2000 * dos_expandpath().
|
|
|
2001 */
|
|
|
2002 int
|
|
|
2003 mch_has_exp_wildcard(char_u *p)
|
|
|
2004 {
|
|
39
|
2005 for ( ; *p; mb_ptr_adv(p))
|
|
7
|
2006 {
|
|
|
2007 if (vim_strchr((char_u *)"?*[", *p) != NULL
|
|
|
2008 || (*p == '~' && p[1] != NUL))
|
|
|
2009 return TRUE;
|
|
|
2010 }
|
|
|
2011 return FALSE;
|
|
|
2012 }
|
|
|
2013
|
|
|
2014 /*
|
|
|
2015 * Return TRUE if "p" contain a wildcard or a "~1" kind of thing (could be a
|
|
|
2016 * shortened file name).
|
|
|
2017 */
|
|
|
2018 int
|
|
|
2019 mch_has_wildcard(char_u *p)
|
|
|
2020 {
|
|
39
|
2021 for ( ; *p; mb_ptr_adv(p))
|
|
7
|
2022 {
|
|
|
2023 if (vim_strchr((char_u *)
|
|
|
2024 # ifdef VIM_BACKTICK
|
|
|
2025 "?*$[`"
|
|
|
2026 # else
|
|
|
2027 "?*$["
|
|
|
2028 # endif
|
|
|
2029 , *p) != NULL
|
|
|
2030 || (*p == '~' && p[1] != NUL))
|
|
|
2031 return TRUE;
|
|
|
2032 }
|
|
|
2033 return FALSE;
|
|
|
2034 }
|
|
|
2035
|
|
|
2036 /*
|
|
|
2037 * Change directory to "path".
|
|
|
2038 * The normal chdir() does not change the default drive. This one does.
|
|
|
2039 * Return 0 for success, -1 for failure.
|
|
|
2040 */
|
|
|
2041 int
|
|
|
2042 mch_chdir(char *path)
|
|
|
2043 {
|
|
|
2044 if (path[0] == NUL) /* just checking... */
|
|
|
2045 return 0;
|
|
|
2046 if (path[1] == ':') /* has a drive name */
|
|
|
2047 {
|
|
|
2048 if (change_drive(TOLOWER_ASC(path[0]) - 'a' + 1))
|
|
|
2049 return -1; /* invalid drive name */
|
|
|
2050 path += 2;
|
|
|
2051 }
|
|
|
2052 if (*path == NUL) /* drive name only */
|
|
|
2053 return 0;
|
|
|
2054 return chdir(path); /* let the normal chdir() do the rest */
|
|
|
2055 }
|
|
|
2056
|
|
|
2057 #ifdef DJGPP
|
|
|
2058 /*
|
|
|
2059 * mch_rename() works around a bug in rename (aka MoveFile) in
|
|
|
2060 * Windows 95: rename("foo.bar", "foo.bar~") will generate a
|
|
|
2061 * file whose short file name is "FOO.BAR" (its long file name will
|
|
|
2062 * be correct: "foo.bar~"). Because a file can be accessed by
|
|
|
2063 * either its SFN or its LFN, "foo.bar" has effectively been
|
|
|
2064 * renamed to "foo.bar", which is not at all what was wanted. This
|
|
|
2065 * seems to happen only when renaming files with three-character
|
|
|
2066 * extensions by appending a suffix that does not include ".".
|
|
|
2067 * Windows NT gets it right, however, with an SFN of "FOO~1.BAR".
|
|
|
2068 * This works like mch_rename in os_win32.c, but is a bit simpler.
|
|
|
2069 *
|
|
|
2070 * Like rename(), returns 0 upon success, non-zero upon failure.
|
|
|
2071 * Should probably set errno appropriately when errors occur.
|
|
|
2072 */
|
|
|
2073
|
|
|
2074 int
|
|
|
2075 mch_rename(const char *OldFile, const char *NewFile)
|
|
|
2076 {
|
|
|
2077 char_u *TempFile;
|
|
|
2078 int retval;
|
|
|
2079 int fd;
|
|
|
2080
|
|
|
2081 /* rename() works correctly without long file names, so use that */
|
|
|
2082 if (!_USE_LFN)
|
|
|
2083 return rename(OldFile, NewFile);
|
|
|
2084
|
|
|
2085 if ((TempFile = alloc((unsigned)(STRLEN(OldFile) + 13))) == NULL)
|
|
|
2086 return -1;
|
|
|
2087
|
|
|
2088 STRCPY(TempFile, OldFile);
|
|
|
2089 STRCPY(gettail(TempFile), "axlqwqhy.ba~");
|
|
|
2090 if (rename(OldFile, TempFile))
|
|
|
2091 retval = -1;
|
|
|
2092 else
|
|
|
2093 {
|
|
|
2094 /* now create an empty file called OldFile; this prevents
|
|
|
2095 * the operating system using OldFile as an alias (SFN)
|
|
|
2096 * if we're renaming within the same directory. For example,
|
|
|
2097 * we're editing a file called filename.asc.txt by its SFN,
|
|
|
2098 * filena~1.txt. If we rename filena~1.txt to filena~1.txt~
|
|
|
2099 * (i.e., we're making a backup while writing it), the SFN
|
|
|
2100 * for filena~1.txt~ will be filena~1.txt, by default, which
|
|
39
|
2101 * will cause all sorts of problems later in buf_write(). So, we
|
|
7
|
2102 * create an empty file called filena~1.txt and the system will have
|
|
|
2103 * to find some other SFN for filena~1.txt~, such as filena~2.txt
|
|
|
2104 */
|
|
|
2105 if ((fd = open(OldFile, O_RDWR|O_CREAT|O_EXCL, 0444)) < 0)
|
|
|
2106 return -1;
|
|
|
2107 retval = rename(TempFile, NewFile);
|
|
|
2108 close(fd);
|
|
|
2109 mch_remove((char_u *)OldFile);
|
|
|
2110
|
|
|
2111 /* If renaming to NewFile failed, rename TempFile back to OldFile, so
|
|
|
2112 * that it looks like nothing happened. */
|
|
|
2113 if (retval)
|
|
|
2114 rename(TempFile, OldFile);
|
|
|
2115 }
|
|
|
2116 vim_free(TempFile);
|
|
|
2117
|
|
|
2118 return retval; /* success */
|
|
|
2119 }
|
|
|
2120 #endif
|
|
|
2121
|
|
|
2122 #if defined(DJGPP) || defined(PROTO)
|
|
|
2123 /*
|
|
|
2124 * setlocale() for DJGPP with MS-DOS codepage support
|
|
|
2125 * Author: Cyril Slobin <slobin@fe.msk.ru>
|
|
|
2126 *
|
|
|
2127 * Scaled down a lot for use by Vim: Only support setlocale(LC_ALL, "").
|
|
|
2128 */
|
|
|
2129
|
|
|
2130 #undef setlocale
|
|
|
2131
|
|
|
2132 #include <go32.h>
|
|
|
2133 #include <inlines/ctype.ha>
|
|
|
2134 #include <locale.h>
|
|
|
2135
|
|
|
2136 #define UPCASE (__dj_ISALNUM | __dj_ISALPHA | __dj_ISGRAPH | __dj_ISPRINT | __dj_ISUPPER)
|
|
|
2137 #define LOCASE (__dj_ISALNUM | __dj_ISALPHA | __dj_ISGRAPH | __dj_ISPRINT | __dj_ISLOWER)
|
|
|
2138
|
|
|
2139 char *
|
|
|
2140 djgpp_setlocale(void)
|
|
|
2141 {
|
|
|
2142 __dpmi_regs regs;
|
|
|
2143 struct { char id; unsigned short off, seg; } __attribute__ ((packed)) info;
|
|
|
2144 unsigned char buffer[0x82], lower, upper;
|
|
|
2145 int i;
|
|
|
2146
|
|
|
2147 regs.x.ax = 0x6502;
|
|
|
2148 regs.x.bx = 0xffff;
|
|
|
2149 regs.x.dx = 0xffff;
|
|
|
2150 regs.x.cx = 5;
|
|
|
2151 regs.x.es = __tb >> 4;
|
|
|
2152 regs.x.di = __tb & 0xf;
|
|
|
2153
|
|
|
2154 __dpmi_int(0x21, ®s);
|
|
|
2155
|
|
|
2156 if (regs.x.flags & 1)
|
|
|
2157 return NULL;
|
|
|
2158
|
|
|
2159 dosmemget(__tb, 5, &info);
|
|
|
2160 dosmemget((info.seg << 4) + info.off, 0x82, buffer);
|
|
|
2161
|
|
|
2162 if (*(short *)buffer != 0x80)
|
|
|
2163 return NULL;
|
|
|
2164
|
|
|
2165 /* Fix problem of underscores being replaced with y-umlaut. (Levin) */
|
|
|
2166 if (buffer[26] == 0x5f)
|
|
|
2167 buffer[26] = 0x98;
|
|
|
2168
|
|
|
2169 for (i = 0; i < 0x80; i++)
|
|
|
2170 {
|
|
|
2171 lower = i + 0x80;
|
|
|
2172 upper = (buffer+2)[i];
|
|
|
2173 if (lower != upper)
|
|
|
2174 {
|
|
|
2175 __dj_ctype_flags[lower+1] = LOCASE;
|
|
|
2176 __dj_ctype_toupper[lower+1] = upper;
|
|
|
2177 if (__dj_ctype_flags[upper+1] == 0)
|
|
|
2178 __dj_ctype_flags[upper+1] = UPCASE;
|
|
|
2179 if (__dj_ctype_tolower[upper+1] == upper)
|
|
|
2180 __dj_ctype_tolower[upper+1] = lower;
|
|
|
2181 }
|
|
|
2182 }
|
|
|
2183
|
|
|
2184 return "C";
|
|
|
2185 }
|
|
|
2186
|
|
|
2187 #if defined(FEAT_CLIPBOARD) || defined(PROTO)
|
|
|
2188
|
|
|
2189 /*
|
|
|
2190 * Clipboard stuff, for cutting and pasting text to other windows.
|
|
|
2191 *
|
|
|
2192 * Implementation of DOS/Windows clipboard data transfer
|
|
|
2193 * by David Kotchan (dkotchan@sympatico.ca)
|
|
|
2194 */
|
|
|
2195
|
|
|
2196 #define CF_TEXT 0x01 /* Windows clipboard format: Windows (ANSI) text */
|
|
|
2197 #define CF_OEMTEXT 0x07 /* Windows clipboard format: OEM (DOS) text */
|
|
|
2198 #define CF_VIMCLIP 0x04 /* trick: SYLK clipboard format for VimClipboard */
|
|
|
2199
|
|
|
2200 static int Win16OpenClipboard(void);
|
|
|
2201 static int Win16CloseClipboard(void);
|
|
|
2202 static int Win16EmptyClipboard(void);
|
|
|
2203 static char_u *Win16GetClipboardData(int clip_data_format);
|
|
|
2204 static int Win16SetClipboardData(int clip_data_format, char_u *clip_data, int clip_data_size, int clip_data_type);
|
|
|
2205
|
|
|
2206 /*
|
|
|
2207 * Make vim the owner of the current selection. Return OK upon success.
|
|
|
2208 */
|
|
|
2209 int
|
|
|
2210 clip_mch_own_selection(VimClipboard *cbd)
|
|
|
2211 {
|
|
|
2212 /*
|
|
|
2213 * Never actually own the clipboard. If another application sets the
|
|
|
2214 * clipboard, we don't want to think that we still own it.
|
|
|
2215 */
|
|
|
2216 return FAIL;
|
|
|
2217 }
|
|
|
2218
|
|
|
2219 /*
|
|
|
2220 * Make vim NOT the owner of the current selection.
|
|
|
2221 */
|
|
|
2222 void
|
|
|
2223 clip_mch_lose_selection(VimClipboard *cbd)
|
|
|
2224 {
|
|
|
2225 /* Nothing needs to be done here */
|
|
|
2226 }
|
|
|
2227
|
|
|
2228 /*
|
|
|
2229 * Read the Windows clipboard text and put it in Vim's clipboard register.
|
|
|
2230 */
|
|
|
2231 void
|
|
|
2232 clip_mch_request_selection(VimClipboard *cbd)
|
|
|
2233 {
|
|
|
2234 int type = MCHAR;
|
|
|
2235 char_u *pAllocated = NULL;
|
|
|
2236 char_u *pClipText = NULL;
|
|
|
2237 int clip_data_format = 0;
|
|
|
2238
|
|
|
2239 if (Win16OpenClipboard())
|
|
|
2240 {
|
|
|
2241 /* Check for Vim's own clipboard format first. The CF_VIMCLIP format
|
|
|
2242 * is just ordinary text (like CF_TEXT) except prepended by the
|
|
|
2243 * selection type (as a single character). Note that under DOS we
|
|
|
2244 * actually cannot define a custom CF_VIMCLIP clipboard format; we
|
|
|
2245 * use instead one of the existing Windows-defined formats, usually
|
|
|
2246 * "DIF" or "SYLK". See Win16GetClipboardData() for details.
|
|
|
2247 *
|
|
|
2248 * Note that Win16GetClipboardData() returns the address of the memory
|
|
|
2249 * block it allocated. This is not necessary the start of the
|
|
|
2250 * clipboard text data: there may be other bytes ahead of the
|
|
|
2251 * text (particularly for CF_VIMCLIP) which are used for data
|
|
|
2252 * management. So pClipText is not necessarily == pAllocated.
|
|
|
2253 */
|
|
|
2254
|
|
|
2255 if ((pAllocated = Win16GetClipboardData(CF_VIMCLIP)) != NULL)
|
|
|
2256 {
|
|
|
2257 clip_data_format = CF_VIMCLIP;
|
|
|
2258 pClipText = pAllocated;
|
|
|
2259
|
|
|
2260 switch (*pClipText++) /* after ++, pClipText points to text */
|
|
|
2261 {
|
|
|
2262 default:
|
|
|
2263 case 'L': type = MLINE; break;
|
|
|
2264 case 'C': type = MCHAR; break;
|
|
|
2265 #ifdef FEAT_VISUAL
|
|
|
2266 case 'B': type = MBLOCK; break;
|
|
|
2267 #endif
|
|
|
2268 }
|
|
|
2269 }
|
|
|
2270
|
|
|
2271 /* Otherwise, check for the normal Windows text formats. There are
|
|
|
2272 * two of these: CF_TEXT (common) and CF_OEMTEXT (used for DOS
|
|
|
2273 * compatibility). Experiments show that, under the DOS/Windows
|
|
|
2274 * clipboard interface, writing CF_TEXT data to the clipboard
|
|
|
2275 * automatically creates a CF_OEMTEXT format as well.
|
|
|
2276 */
|
|
|
2277
|
|
|
2278 else if ((pAllocated = Win16GetClipboardData(CF_TEXT)) != NULL)
|
|
|
2279 {
|
|
|
2280 clip_data_format = CF_TEXT;
|
|
|
2281 pClipText = pAllocated;
|
|
|
2282 type = (vim_strchr((char*)pClipText, '\r') != NULL) ? MLINE : MCHAR;
|
|
|
2283 }
|
|
|
2284
|
|
|
2285 else if ((pAllocated = Win16GetClipboardData(CF_OEMTEXT)) != NULL)
|
|
|
2286 {
|
|
|
2287 clip_data_format = CF_OEMTEXT;
|
|
|
2288 pClipText = pAllocated;
|
|
|
2289 type = (vim_strchr((char*)pClipText, '\r') != NULL) ? MLINE : MCHAR;
|
|
|
2290 }
|
|
|
2291
|
|
|
2292 /* Did we get anything? */
|
|
|
2293
|
|
|
2294 if (pClipText != NULL)
|
|
|
2295 {
|
|
|
2296 char_u *pDest;
|
|
|
2297 char_u *pStart;
|
|
|
2298 char_u *pEnd;
|
|
|
2299
|
|
|
2300 long_u clip_data_size = 0;
|
|
|
2301
|
|
|
2302 /* The Windows clipboard normally stores its text lines terminated
|
|
|
2303 * by <CR><NL>. But Vim uses only <NL>, so translate the <CR><NL>
|
|
|
2304 * into <NL>. Also, watch for possible null bytes at the end of
|
|
|
2305 * pClipText. These are padding added by "get_clipboard_data"
|
|
|
2306 * (int 0x2f, AX= 0x1705) in order to round the data size up to the
|
|
|
2307 * next multiple of 32 bytes. See Win16GetClipboardData() for
|
|
|
2308 * details.
|
|
|
2309 */
|
|
|
2310
|
|
|
2311 pDest = strstr( pClipText, "\r\n" ); /* find first <CR><NL> */
|
|
|
2312
|
|
|
2313 if (pDest != NULL) /* found one? */
|
|
|
2314 {
|
|
|
2315 pStart = pDest + 1; /* points to <NL> after <CR> */
|
|
|
2316 pEnd = strstr( pStart, "\r\n" );/* find next <CR><NL> */
|
|
|
2317
|
|
|
2318 while (pEnd != NULL) /* found one? */
|
|
|
2319 {
|
|
|
2320 memmove(pDest, pStart, (long)(pEnd - pStart));
|
|
|
2321 /* exclude <CR> */
|
|
|
2322 pDest += (long)(pEnd - pStart); /* new destination */
|
|
|
2323 pStart = pEnd + 1; /* new starting point */
|
|
|
2324 pEnd = strstr(pStart, "\r\n"); /* find next <CR><NL> */
|
|
|
2325 }
|
|
|
2326
|
|
|
2327 /* Fell out of while() loop: no more <CR><NL> pairs. Just copy
|
|
|
2328 * the rest of the data, up to the first null byte. */
|
|
|
2329 pEnd = strchr(pStart, '\0'); /* find first null */
|
|
|
2330
|
|
|
2331 memmove(pDest, pStart, (long)(pEnd - pStart)); /* exclude nul */
|
|
|
2332 pDest += (long)(pEnd - pStart);
|
|
|
2333 *pDest = '\0'; /* terminate */
|
|
|
2334
|
|
|
2335 /* Now that all <CR><NL> pairs have been "compressed" into just
|
|
|
2336 * <NL>'s, determine the true text length. */
|
|
|
2337 clip_data_size = (long_u)(pDest - pClipText);
|
|
|
2338 }
|
|
|
2339 else
|
|
|
2340 {
|
|
|
2341 /* no <CR><NL> pairs at all */
|
|
|
2342 /* Since the data may have been padded with trailing nulls,
|
|
|
2343 * determine the true string length. */
|
|
|
2344 clip_data_size = STRLEN(pClipText); /* true data length */
|
|
|
2345 }
|
|
|
2346
|
|
|
2347 /* Copy the cleaned-up data over to Vim's clipboard "*" register. */
|
|
|
2348 clip_yank_selection(type, pClipText, clip_data_size, cbd);
|
|
|
2349
|
|
|
2350 /* Free the memory that Win16GetClipboardData() allocated. */
|
|
|
2351 vim_free(pAllocated);
|
|
|
2352 }
|
|
|
2353
|
|
|
2354 Win16CloseClipboard();
|
|
|
2355
|
|
|
2356 } // end if (Win16OpenClipboard())
|
|
|
2357 }
|
|
|
2358
|
|
|
2359 /*
|
|
|
2360 * Send the currently selected Vim text to the Windows clipboard.
|
|
|
2361 */
|
|
|
2362 void
|
|
|
2363 clip_mch_set_selection( VimClipboard *cbd )
|
|
|
2364 {
|
|
|
2365 char_u *pClipData = NULL;
|
|
|
2366 long_u clip_data_size;
|
|
|
2367 int clip_data_type;
|
|
|
2368
|
|
|
2369 /* If the '*' register isn't already filled in, fill it in now. */
|
|
|
2370 cbd->owned = TRUE;
|
|
|
2371 clip_get_selection(cbd);
|
|
|
2372 cbd->owned = FALSE;
|
|
|
2373
|
|
|
2374 /*
|
|
|
2375 * clip_convert_selection() returns a pointer to a buffer containing
|
|
|
2376 * the text to send to the Windows clipboard, together with a count
|
|
|
2377 * of the number of characters (bytes) in the buffer. The function's
|
|
|
2378 * return value is the 'type' of selection: MLINE, MCHAR, or MBLOCK;
|
|
|
2379 * or -1 for failure.
|
|
|
2380 */
|
|
|
2381 clip_data_type = clip_convert_selection(&pClipData, &clip_data_size, cbd);
|
|
|
2382
|
|
|
2383 if (clip_data_type < 0) /* could not convert? */
|
|
|
2384 return; /* early exit */
|
|
|
2385
|
|
|
2386 if (Win16OpenClipboard())
|
|
|
2387 {
|
|
|
2388 if (Win16EmptyClipboard())
|
|
|
2389 {
|
|
|
2390 int sentOK;
|
|
|
2391
|
|
|
2392 sentOK = Win16SetClipboardData(CF_TEXT, pClipData,
|
|
|
2393 clip_data_size, clip_data_type);
|
|
|
2394 sentOK = Win16SetClipboardData(CF_VIMCLIP,
|
|
|
2395 pClipData, clip_data_size, clip_data_type) && sentOK;
|
|
|
2396
|
|
|
2397 if (!sentOK)
|
|
|
2398 {
|
|
|
2399 /* one or both of Win16SetClipboardData() failed. */
|
|
|
2400 /* Technically we don't know why Win16SetClipboardData()
|
|
|
2401 * failed, but almost always it will be because there wasn't
|
|
|
2402 * enough DOS memory to bufer the data, so report that as the
|
|
|
2403 * problem.
|
|
|
2404 *
|
|
|
2405 * We report the error here (instead of in
|
|
|
2406 * Win16SetClipboardData()) because we don't want the error
|
|
|
2407 * reported twice.
|
|
|
2408 */
|
|
|
2409 EMSG("E450: Selection too large, cannot allocate DOS buffer");
|
|
|
2410 }
|
|
|
2411 }
|
|
|
2412
|
|
|
2413 Win16CloseClipboard();
|
|
|
2414 }
|
|
|
2415
|
|
|
2416 /* release memory allocated by clip_convert_selection() */
|
|
|
2417 vim_free(pClipData);
|
|
|
2418
|
|
|
2419 return;
|
|
|
2420 }
|
|
|
2421
|
|
|
2422 /*
|
|
|
2423 * Win16OpenClipboard: open the Windows clipboard. The clipboard must be open
|
|
|
2424 * before it can be communicated with at all. Return TRUE on success,
|
|
|
2425 * FALSE on failure.
|
|
|
2426 */
|
|
|
2427 static int
|
|
|
2428 Win16OpenClipboard(void)
|
|
|
2429 {
|
|
|
2430 __dpmi_regs dpmi_regs;
|
|
|
2431
|
|
|
2432 long start_time;
|
|
|
2433 int tick_count;
|
|
|
2434
|
|
|
2435 /* int 02xf, AX = 0x1701 attempts to open the Windows clipboard. Upon
|
|
|
2436 * return from the interrupt, if AX is non-zero, the clipboard was
|
|
|
2437 * successfully opened. If AX is zero, the clipboard could not be opened
|
|
|
2438 * because it is currently in use by another process.
|
|
|
2439 *
|
|
|
2440 * Remark: other DOS programs I (dk) have written that use the Windows
|
|
|
2441 * clipboard sometimes encounter the problem that the clipboard cannot
|
|
|
2442 * be opened even though it is demonstrably not in use by any other
|
|
|
2443 * process. In all cases, repeated attempts to open the clipboard
|
|
|
2444 * eventually succeed, but the initial attempt occasionally fails.
|
|
|
2445 *
|
|
|
2446 * The problem is intermittent and appears to be related to DOS being
|
|
|
2447 * "busy" at certain unpredictable times. DOS maintains two internal
|
|
|
2448 * flags that indicate whether it's busy: InDOS and CritErr. The
|
|
|
2449 * location of InDOS can be found by calling int 0x21, AH = 0x34. The
|
|
|
2450 * location of CritErr can be found by calling int 0x21, AX = 0x5d06.
|
|
|
2451 * If either of these flags is set, DOS is "busy" and cannot be
|
|
|
2452 * interrupted. See "Undocumented DOS" by Schulman et al for details.
|
|
|
2453 *
|
|
|
2454 * However here I take the easier approach that if the first call to open
|
|
|
2455 * the clipboard does not succeed, just try again. In fact, try once per
|
|
|
2456 * biostime() clock tick, up to 18 times (about one second).
|
|
|
2457 */
|
|
|
2458
|
|
|
2459 tick_count = 0;
|
|
|
2460
|
|
|
2461 dpmi_regs.x.ax = 0x1701; /* open Windows clipboard */
|
|
|
2462 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
2463 {
|
|
|
2464 /* real-mode interrupt failed? */
|
|
|
2465 return FALSE; /* FALSE --> clipboard not open */
|
|
|
2466 }
|
|
|
2467
|
|
|
2468 /* wait up to one second */
|
|
|
2469 while (dpmi_regs.x.ax == 0 && tick_count++ < 18)
|
|
|
2470 {
|
|
|
2471 /* Wait one clock tick (18.2 ticks/sec = 55 msec per tick).
|
|
|
2472 *
|
|
|
2473 * We busy-wait here. Unfortunately, delay() and usleep() have been
|
|
|
2474 * reported to give problems with the original Windows 95. This is
|
|
|
2475 * fixed in service pack 1, but not everybody installed that.
|
|
|
2476 */
|
|
|
2477 start_time = biostime(0, 0L);
|
|
|
2478 while (biostime(0, 0L) == start_time)
|
|
|
2479 ;
|
|
|
2480
|
|
|
2481 dpmi_regs.x.ax = 0x1701; /* open Windows clipboard */
|
|
|
2482 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
2483 {
|
|
|
2484 /* real-mode interrupt failed? */
|
|
|
2485 return FALSE; /* FALSE --> clipboard not open */
|
|
|
2486 }
|
|
|
2487 }
|
|
|
2488
|
|
|
2489 /* Couldn't open the clipboard, even after 18 attempts? */
|
|
|
2490
|
|
|
2491 if (tick_count >= 18 && dpmi_regs.x.ax == 0)
|
|
|
2492 return FALSE; /* FALSE --> clipboard not open */
|
|
|
2493
|
|
|
2494 return TRUE; /* TRUE --> clipboard opened successfully, OK */
|
|
|
2495 }
|
|
|
2496
|
|
|
2497 /*
|
|
|
2498 * Win16CloseClipboard: close the Windows clipboard. Return TRUE on
|
|
|
2499 * success, FALSE on failure. This function can always be called,
|
|
|
2500 * whether the clipboard is open or not.
|
|
|
2501 */
|
|
|
2502 static int
|
|
|
2503 Win16CloseClipboard(void)
|
|
|
2504 {
|
|
|
2505 __dpmi_regs dpmi_regs;
|
|
|
2506
|
|
|
2507 /* Close the clipboard. This interrupt can always be called, even
|
|
|
2508 * if the clipboard is already closed.
|
|
|
2509 */
|
|
|
2510
|
|
|
2511 dpmi_regs.x.ax = 0x1708; /* close the clipboard */
|
|
|
2512 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
2513 {
|
|
|
2514 /* real-mode interrupt failed? */
|
|
|
2515 return FALSE; /* FALSE --> clipboard could not be closed */
|
|
|
2516 }
|
|
|
2517
|
|
|
2518 return TRUE; /* TRUE --> clipboard closed successfully, OK */
|
|
|
2519 }
|
|
|
2520
|
|
|
2521 /*
|
|
|
2522 * Win16EmptyClipboard: empty the (previously opened) Windows clipboard.
|
|
|
2523 * Return TRUE on success, FALSE on failure.
|
|
|
2524 */
|
|
|
2525 static int
|
|
|
2526 Win16EmptyClipboard(void)
|
|
|
2527 {
|
|
|
2528 __dpmi_regs dpmi_regs;
|
|
|
2529
|
|
|
2530 /* int 02xf, AX = 0x1702 attempts to empty the Windows clipboard. Upon
|
|
|
2531 * return from the interrupt, if AX == 0, the clipboard could not be
|
|
|
2532 * emptied (for some reason).
|
|
|
2533 */
|
|
|
2534 dpmi_regs.x.ax = 0x1702; /* empty the Windows clipboard */
|
|
|
2535 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
2536 {
|
|
|
2537 /* real-mode interrupt failed? */
|
|
|
2538 return FALSE; /* FALSE --> clipboard could not be emptied */
|
|
|
2539 }
|
|
|
2540
|
|
|
2541 /* Did we succeed in clearing the clipboard? */
|
|
|
2542 if (dpmi_regs.x.ax == 0)
|
|
|
2543 return FALSE; /* FALSE --> clipboard could not be emptied */
|
|
|
2544
|
|
|
2545 return TRUE; /* TRUE --> clipboard was emptied, OK */
|
|
|
2546 }
|
|
|
2547
|
|
|
2548 /*
|
|
|
2549 * FreeDOSMemory: a helper function to free memory previously
|
|
|
2550 * allocated by a call to __dpmi_allocate_dos_memory().
|
|
|
2551 */
|
|
|
2552 static void
|
|
|
2553 FreeDOSMemory(int protected_mode_selector)
|
|
|
2554 {
|
|
|
2555 /* Free the DOS buffer and release the DPMI prot-mode selector.
|
|
|
2556 *
|
|
|
2557 * It's important that DOS memory be properly released because
|
|
|
2558 * there's only a limited amount of it. Therefore, if the call
|
|
|
2559 * to __dpmi_free_dos_memory() fails, emit an error message
|
|
|
2560 * unconditionally.
|
|
|
2561 */
|
|
|
2562 if (__dpmi_free_dos_memory(protected_mode_selector) == -1)
|
|
|
2563 EMSG("E451: could not free DOS memory buffer (DJGPP)");
|
|
|
2564 }
|
|
|
2565
|
|
|
2566 /*
|
|
|
2567 * Win16GetClipboardData: query the Windows clipboard as to whether data
|
|
|
2568 * is available in a particular clipboard format. If data is
|
|
|
2569 * available, allocate a buffer for it and read the data from the
|
|
|
2570 * clipboard into the buffer. Return a pointer to the buffer. If
|
|
|
2571 * no data is available in the requested format, return NULL.
|
|
|
2572 *
|
|
|
2573 * This routine allocates memory to hold the retrieved clipboard
|
|
|
2574 * data. It's the caller's responsibility to free this memory
|
|
|
2575 * once it's finished using it. The memory should be freed by
|
|
|
2576 * calling vim_free().
|
|
|
2577 */
|
|
|
2578 static char_u *
|
|
|
2579 Win16GetClipboardData(int clip_data_format)
|
|
|
2580 {
|
|
|
2581 __dpmi_regs dpmi_regs;
|
|
|
2582
|
|
|
2583 int real_mode_segment_address;
|
|
|
2584 int protected_mode_selector;
|
|
|
2585
|
|
|
2586 char_u *clip_data_buffer;
|
|
|
2587 long_u clip_data_size;
|
|
|
2588
|
|
|
2589 /* We only handle clipboard formats we recognize, others are ignored.
|
|
|
2590 *
|
|
|
2591 * It's not possible to create a custom clipboard format for VimClipboard
|
|
|
2592 * data under DOS, so one of the predefined Windows formats had to be
|
|
|
2593 * used for CF_VIMCLIP. Two obscure formats, popular when Windows 3.0
|
|
|
2594 * came out but no longer in much use today, are the DIF and SYLK formats.
|
|
|
2595 * DIF is the Data Interchange Format, SYLK is the Symbolic Link format.
|
|
|
2596 * They are both text formats and either one can be hijacked for use as
|
|
|
2597 * "the VimClipboard format". Of course, this conflicts with anyone who
|
|
|
2598 * still *is* using DIF or SYLK data formats, but that will be very few
|
|
|
2599 * people.
|
|
|
2600 *
|
|
|
2601 * I (dk) chose SYLK as the more obscure format because it was used
|
|
|
2602 * mostly for Microsoft Multiplan (the pre-cursor to Excel) and it's not
|
|
|
2603 * likely Multiplan is used anywhere much anymore. Mind you, Excel can
|
|
|
2604 * still export to both DIF and SYLK formats.
|
|
|
2605 */
|
|
|
2606
|
|
|
2607 switch (clip_data_format)
|
|
|
2608 {
|
|
|
2609 case CF_VIMCLIP: /* Vim's own special clipboard format */
|
|
|
2610 case CF_TEXT: /* Windows text */
|
|
|
2611 case CF_OEMTEXT: /* DOS (OEM) text */
|
|
|
2612
|
|
|
2613 /* int 02xf, AX = 0x1704 returns the number of bytes of data currently
|
|
|
2614 * on the Windows clipboard, for the specified format. Upon return
|
|
|
2615 * from the interrupt, DX:AX = the number of bytes, rounded up to the
|
|
|
2616 * nearest multiple of 32.
|
|
|
2617 */
|
|
|
2618
|
|
|
2619 dpmi_regs.x.ax = 0x1704; /* get size of clipbd data */
|
|
|
2620 dpmi_regs.x.dx = clip_data_format;
|
|
|
2621 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
2622 {
|
|
|
2623 /* real-mode interrupt failed? */
|
|
|
2624 return NULL; /* early exit */
|
|
|
2625 }
|
|
|
2626
|
|
|
2627 /* Did we get anything? If not, this is not an error. */
|
|
|
2628 if (dpmi_regs.x.dx == 0 && dpmi_regs.x.ax == 0)
|
|
|
2629 {
|
|
|
2630 /* no CF_VIMCLIP data? */
|
|
|
2631 return NULL; /* early exit */
|
|
|
2632 }
|
|
|
2633
|
|
|
2634 /* There is data available in the requested clipboard format.
|
|
|
2635 *
|
|
|
2636 * Calculate data size. Remember this is rounded up to the nearest
|
|
|
2637 * multiple of 32, so clip_data_size is actually an upper limit.
|
|
|
2638 * The extra bytes, if any, are set to null (0x00) when the data is
|
|
|
2639 * read from the clipboard. (Later:) actually I'm no longer sure
|
|
|
2640 * this is strictly true: the end-of-data is marked by a null, but
|
|
|
2641 * the extra bytes appear to sometimes be null, sometimes not.
|
|
|
2642 * They may just be garbage.
|
|
|
2643 */
|
|
|
2644 clip_data_size = dpmi_regs.x.ax + (dpmi_regs.x.dx << 16);
|
|
|
2645
|
|
|
2646 /* Allocate memory to retrieve the data. The buffer has to lie in the
|
|
|
2647 * DOS memory region (in the first 1 MByte of address space) because
|
|
|
2648 * the Windows clipboard interface expects a 16-bit segment:offset
|
|
|
2649 * pointer to a buffer address within the DOS region. Must therefore
|
|
|
2650 * use __dpmi_allocate_dos_memory() instead of lalloc() or alloc().
|
|
|
2651 */
|
|
|
2652 real_mode_segment_address = __dpmi_allocate_dos_memory(
|
|
|
2653 (clip_data_size + 15) >> 4, /* buffer size, in 16-byte paragraphs */
|
|
|
2654 &protected_mode_selector); /* prot-mode selector for the address */
|
|
|
2655
|
|
|
2656 if (real_mode_segment_address == -1)
|
|
|
2657 {
|
|
|
2658 /* memory allocation failed. */
|
|
|
2659
|
|
|
2660 /* Technically we don't know why the allocation failed, but
|
|
|
2661 * almost always it will be because there wasn't enough DOS
|
|
|
2662 * memory to satisfy the request, so report that as the problem.
|
|
|
2663 * On my system, DJGPP is able to satisfy a DOS allocation request
|
|
|
2664 * up to about 600K in size. This depends on your HIMEM.SYS and
|
|
|
2665 * EMM386.EXE settings however.
|
|
|
2666 */
|
|
|
2667 EMSG("E452: Clipboard data too large, cannot allocate DOS buffer");
|
|
|
2668 return NULL; /* early exit */
|
|
|
2669 }
|
|
|
2670
|
|
|
2671 /* Copy data from the clipboard into the buffer. Experiments show that
|
|
|
2672 * the Windows clipboard is smart enough to handle data transfers
|
|
|
2673 * larger than 64K properly, even though the buffer address is a 16-bit
|
|
|
2674 * segment:offset (which would normally limit the block size to 64K
|
|
|
2675 * unless ES gets incremented).
|
|
|
2676 */
|
|
|
2677 dpmi_regs.x.ax = 0x1705; /* get clipboard data */
|
|
|
2678 dpmi_regs.x.dx = clip_data_format; /* CF_VIMCLIP */
|
|
|
2679 dpmi_regs.x.es = real_mode_segment_address; /* buffer ad: segment */
|
|
|
2680 dpmi_regs.x.bx = 0; /* buffer ad: offset */
|
|
|
2681 if (__dpmi_int( 0x2f, &dpmi_regs) == -1)
|
|
|
2682 {
|
|
|
2683 /* real-mode interrupt failed? */
|
|
|
2684 EMSG("E453: could not copy clipboard data to DOS buffer");
|
|
|
2685 FreeDOSMemory(protected_mode_selector); /* clean up DOS mem */
|
|
|
2686 return NULL; /* early exit */
|
|
|
2687 }
|
|
|
2688
|
|
|
2689 /* Clipboard data is now in DOS memory in the buffer pointed to by
|
|
|
2690 * ES:BX. Copy this into ordinary memory that Vim can access (ie.
|
|
|
2691 * prot-mode memory). Allocate one extra byte to ensure the text
|
|
|
2692 * is terminated properly (in case it was somehow corrupted).
|
|
|
2693 */
|
|
|
2694 clip_data_buffer = (char_u *)lalloc(clip_data_size + 1, TRUE);
|
|
|
2695
|
|
|
2696 if (clip_data_buffer == NULL)
|
|
|
2697 {
|
|
|
2698 /* allocation failed? */
|
|
|
2699 EMSG("E454: could not allocate clipboard memory buffer");
|
|
|
2700 FreeDOSMemory(protected_mode_selector); /* clean up DOS mem */
|
|
|
2701 return NULL; /* early exit */
|
|
|
2702 }
|
|
|
2703
|
|
|
2704 *(clip_data_buffer + clip_data_size) = '\0'; /* ensure terminated */
|
|
|
2705
|
|
|
2706 /* Copy the data from DOS memory to Vim-accessible memory. */
|
|
|
2707 movedata( /* DJGPP version of memcpy() */
|
|
|
2708 protected_mode_selector, 0, /* source: DOS ad (via selector) */
|
|
|
2709 _my_ds(), (unsigned)clip_data_buffer,
|
|
|
2710 /* target: normal mem address */
|
|
|
2711 clip_data_size); /* how many bytes */
|
|
|
2712
|
|
|
2713 /* Free the DOS buffer and release the DPMI prot-mode selector. */
|
|
|
2714 FreeDOSMemory(protected_mode_selector); /* clean up DOS memory */
|
|
|
2715
|
|
|
2716 return clip_data_buffer; /* return pointer to allocated buffer */
|
|
|
2717
|
|
|
2718 default: /* unknown clipboard format */
|
|
|
2719 return NULL;
|
|
|
2720 }
|
|
|
2721 }
|
|
|
2722
|
|
|
2723 /*
|
|
|
2724 * Win16SetClipboardData: send 'clip_data_size' bytes of data from the buffer
|
|
|
2725 * pointed to by 'clip_data', to the Windows clipboard. The data is
|
|
|
2726 * registered with the clipboard as being in the 'clip_data_format'
|
|
|
2727 * format.
|
|
|
2728 */
|
|
|
2729 static int
|
|
|
2730 Win16SetClipboardData(
|
|
|
2731 int clip_data_format,
|
|
|
2732 char_u *clip_data,
|
|
|
2733 int clip_data_size,
|
|
|
2734 int clip_data_type)
|
|
|
2735 {
|
|
|
2736 __dpmi_regs dpmi_regs;
|
|
|
2737
|
|
|
2738 int real_mode_segment_address;
|
|
|
2739 int protected_mode_selector;
|
|
|
2740 long_u protected_mode_offset = 0L;
|
|
|
2741 int total_size = clip_data_size;
|
|
|
2742
|
|
|
2743 char_u *clip_sel_type;
|
|
|
2744
|
|
|
2745 /* If we're using the CF_VIMCLIP custom format, allocate an extra
|
|
|
2746 * byte for clip_sel_type, which is a character indicating the type
|
|
|
2747 * of text selection: MLINE, MCHAR, or MBLOCK.
|
|
|
2748 */
|
|
|
2749 if (clip_data_format == CF_VIMCLIP)
|
|
|
2750 total_size++; /* extra byte for marker */
|
|
|
2751
|
|
|
2752 /* Data cannot be sent directly from a Vim string (pClipData) to
|
|
|
2753 * the Windows clipboard, because the Windows clipboard interface
|
|
|
2754 * expects a 16-bit (DOS) segment:offset address for the source
|
|
|
2755 * buffer. Therefore we must create a "transfer buffer" in the DOS
|
|
|
2756 * memory region (in the first 1 MByte of address space) and copy
|
|
|
2757 * the Vim string into that. From there, the data can then be sent
|
|
|
2758 * to the Windows clipboard.
|
|
|
2759 *
|
|
|
2760 * To allocate DOS memory, we must use __dpmi_allocate_dos_memory()
|
|
|
2761 * instead of lalloc() or alloc(). If the allocation fails, it will
|
|
|
2762 * almost invariably be because there is not enough DOS memory
|
|
|
2763 * available to accommodate the size of clip_data. There is nothing
|
|
|
2764 * we can do about this, we simply have to fail.
|
|
|
2765 */
|
|
|
2766 real_mode_segment_address = __dpmi_allocate_dos_memory(
|
|
|
2767 (total_size + 15) >> 4, /* buffer size, in 16-byte paragraphs */
|
|
|
2768 &protected_mode_selector); /* prot-mode selector for the address */
|
|
|
2769
|
|
|
2770 if (real_mode_segment_address == -1)
|
|
|
2771 {
|
|
|
2772 /* memory allocation failed. */
|
|
|
2773 /* Technically we don't know why the allocation failed, but
|
|
|
2774 * almost always it will be because there wasn't enough DOS
|
|
|
2775 * memory to satisfy the request. On my system, DJGPP is able
|
|
|
2776 * to satisfy a DOS allocation request up to about 600K in size.
|
|
|
2777 * This depends however on HIMEM.SYS and EMM386.EXE settings.
|
|
|
2778 */
|
|
|
2779 return FALSE; /* early exit */
|
|
|
2780 }
|
|
|
2781
|
|
|
2782 /* Copy data from Vim's buffer (clip_data) into the DOS transfer buffer.
|
|
|
2783 * This can be larger than 64K; movedata() takes care of crossing any
|
|
|
2784 * 16-bit segment boundaries.
|
|
|
2785 *
|
|
|
2786 * If we're using Vim's custom clipboard format, we must copy one extra
|
|
|
2787 * byte to indicate the type of selection: line, character, or block.
|
|
|
2788 */
|
|
|
2789 if (clip_data_format == CF_VIMCLIP)
|
|
|
2790 {
|
|
|
2791 switch (clip_data_type)
|
|
|
2792 {
|
|
|
2793 default:
|
|
|
2794 case MLINE: clip_sel_type = "L"; break;
|
|
|
2795 case MCHAR: clip_sel_type = "C"; break;
|
|
|
2796 #ifdef FEAT_VISUAL
|
|
|
2797 case MBLOCK: clip_sel_type = "B"; break;
|
|
|
2798 #endif
|
|
|
2799 }
|
|
|
2800
|
|
|
2801 movedata(
|
|
|
2802 _my_ds(), (unsigned)clip_sel_type,
|
|
|
2803 /* source: normal memory address */
|
|
|
2804 protected_mode_selector, 0, /* target: DOS ad (via selector) */
|
|
|
2805 1); /* how many bytes to copy */
|
|
|
2806
|
|
|
2807 protected_mode_offset += STRLEN(clip_sel_type); /* allow for marker */
|
|
|
2808 }
|
|
|
2809
|
|
|
2810 movedata(
|
|
|
2811 _my_ds(), (unsigned)clip_data, /* source: normal memory address */
|
|
|
2812 protected_mode_selector, /* target: DOS address (via selector) */
|
|
|
2813 protected_mode_offset, /* non-zero, if using clip_sel_type */
|
|
|
2814 clip_data_size); /* how many bytes to copy */
|
|
|
2815
|
|
|
2816 /* Send data from the DOS transfer buffer to the Windows clipboard.
|
|
|
2817 * int 02xf, AX = 0x1703 sends SI:CX bytes of data from the buffer
|
|
|
2818 * at ES:BX, to the clipboard.
|
|
|
2819 */
|
|
|
2820 dpmi_regs.x.ax = 0x1703; /* send clipboard data */
|
|
|
2821 dpmi_regs.x.dx = clip_data_format; /* flag: format of the data */
|
|
|
2822 dpmi_regs.x.si = ((total_size >> 16)
|
|
|
2823 & 0x0000ffffL); /* hi word of data size */
|
|
|
2824 dpmi_regs.x.cx = (total_size & 0x0000ffffL);
|
|
|
2825 /* lo word of data size */
|
|
|
2826 dpmi_regs.x.es = real_mode_segment_address; /* buffer address: segment */
|
|
|
2827 dpmi_regs.x.bx = 0; /* buffer address: offset */
|
|
|
2828 if (__dpmi_int(0x2f, &dpmi_regs) == -1)
|
|
|
2829 {
|
|
|
2830 /* real-mode interrupt failed. */
|
|
|
2831 FreeDOSMemory(protected_mode_selector); /* clean up DOS memory */
|
|
|
2832 return FALSE; /* early exit */
|
|
|
2833 }
|
|
|
2834
|
|
|
2835 /* Free the DOS buffer and release the DPMI prot-mode selector. */
|
|
|
2836 FreeDOSMemory(protected_mode_selector); /* clean up DOS memory */
|
|
|
2837
|
|
|
2838 return TRUE; /* TRUE --> data successfully sent to clipboard */
|
|
|
2839 }
|
|
|
2840
|
|
|
2841 #endif /* FEAT_CLIPBOARD */
|
|
|
2842 #endif /* DJGPP */
|
|
|
2843
|
|
|
2844 /*
|
|
|
2845 * End of MS-DOS only code
|
|
|
2846 */
|
|
|
2847 #endif /* WIN16 */
|
|
|
2848
|
|
|
2849 /* common MS-DOS and Win16 code follows */
|
|
|
2850
|
|
|
2851 static int
|
|
|
2852 vim_chmod(char_u *name)
|
|
|
2853 {
|
|
|
2854 char_u *p;
|
|
|
2855 int f;
|
|
|
2856 int c = 0;
|
|
|
2857
|
|
|
2858 /* chmod() can't handle a file name with a trailing slash, remove it.
|
|
|
2859 * But don't remove it for "/" or "c:/". */
|
|
|
2860 p = name + STRLEN(name);
|
|
|
2861 if (p > name)
|
|
|
2862 --p;
|
|
|
2863 if (p > name && (*p == '\\' || *p == '/') && p[-1] != ':')
|
|
|
2864 {
|
|
|
2865 c = *p; /* remove trailing (back)slash */
|
|
|
2866 *p = NUL;
|
|
|
2867 }
|
|
|
2868 else
|
|
|
2869 p = NULL;
|
|
|
2870 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x410)
|
|
|
2871 /* this also sets the archive bit, supported by Borland C 4.0 and later,
|
|
|
2872 * where __BORLANDC__ is 0x450 (3.1 is 0x410) */
|
|
|
2873 f = _rtl_chmod((char *)name, 0, 0);
|
|
|
2874 #else
|
|
|
2875 f = _chmod((char *)name, 0, 0);
|
|
|
2876 #endif
|
|
|
2877 if (p != NULL)
|
|
|
2878 *p = c; /* put back (back)slash */
|
|
|
2879 return f;
|
|
|
2880 }
|
|
|
2881
|
|
|
2882 /*
|
|
|
2883 * get file permissions for 'name'
|
|
|
2884 * Returns -1 for error.
|
|
|
2885 * Returns FA_attributes defined in dos.h
|
|
|
2886 */
|
|
|
2887 long
|
|
|
2888 mch_getperm(char_u *name)
|
|
|
2889 {
|
|
|
2890 return (long)vim_chmod(name); /* get file mode */
|
|
|
2891 }
|
|
|
2892
|
|
|
2893 /*
|
|
|
2894 * set file permission for 'name' to 'perm'
|
|
|
2895 *
|
|
|
2896 * return FAIL for failure, OK otherwise
|
|
|
2897 */
|
|
|
2898 int
|
|
|
2899 mch_setperm(
|
|
|
2900 char_u *name,
|
|
|
2901 long perm)
|
|
|
2902 {
|
|
|
2903 perm |= FA_ARCH; /* file has changed, set archive bit */
|
|
|
2904 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x410)
|
|
|
2905 return (_rtl_chmod((char *)name, 1, (int)perm) == -1 ? FAIL : OK);
|
|
|
2906 #else
|
|
|
2907 return (_chmod((char *)name, 1, (int)perm) == -1 ? FAIL : OK);
|
|
|
2908 #endif
|
|
|
2909 }
|
|
|
2910
|
|
|
2911 /*
|
|
|
2912 * Set hidden flag for "name".
|
|
|
2913 */
|
|
|
2914 void
|
|
|
2915 mch_hide(char_u *name)
|
|
|
2916 {
|
|
|
2917 /* DOS 6.2 share.exe causes "seek error on file write" errors when making
|
|
|
2918 * the swap file hidden. Thus don't do it. */
|
|
|
2919 }
|
|
|
2920
|
|
|
2921 /*
|
|
|
2922 * return TRUE if "name" is a directory
|
|
|
2923 * return FALSE if "name" is not a directory
|
|
|
2924 * return FALSE for error
|
|
|
2925 *
|
|
|
2926 * beware of a trailing (back)slash
|
|
|
2927 */
|
|
|
2928 int
|
|
|
2929 mch_isdir(char_u *name)
|
|
|
2930 {
|
|
|
2931 int f;
|
|
|
2932
|
|
|
2933 f = vim_chmod(name);
|
|
|
2934 if (f == -1)
|
|
|
2935 return FALSE; /* file does not exist at all */
|
|
|
2936 if ((f & FA_DIREC) == 0)
|
|
|
2937 return FALSE; /* not a directory */
|
|
|
2938 return TRUE;
|
|
|
2939 }
|
|
|
2940
|
|
|
2941 /*
|
|
|
2942 * Return 1 if "name" can be executed, 0 if not.
|
|
|
2943 * Return -1 if unknown.
|
|
|
2944 */
|
|
|
2945 int
|
|
|
2946 mch_can_exe(name)
|
|
|
2947 char_u *name;
|
|
|
2948 {
|
|
9
|
2949 char *p;
|
|
|
2950
|
|
|
2951 p = searchpath(name);
|
|
|
2952 if (p == NULL || mch_isdir(p))
|
|
|
2953 return FALSE;
|
|
|
2954 return TRUE;
|
|
7
|
2955 }
|
|
|
2956
|
|
|
2957 /*
|
|
|
2958 * Check what "name" is:
|
|
|
2959 * NODE_NORMAL: file or directory (or doesn't exist)
|
|
|
2960 * NODE_WRITABLE: writable device, socket, fifo, etc.
|
|
|
2961 * NODE_OTHER: non-writable things
|
|
|
2962 */
|
|
|
2963 int
|
|
|
2964 mch_nodetype(char_u *name)
|
|
|
2965 {
|
|
|
2966 if (STRICMP(name, "AUX") == 0
|
|
|
2967 || STRICMP(name, "CON") == 0
|
|
|
2968 || STRICMP(name, "CLOCK$") == 0
|
|
|
2969 || STRICMP(name, "NUL") == 0
|
|
|
2970 || STRICMP(name, "PRN") == 0
|
|
|
2971 || ((STRNICMP(name, "COM", 3) == 0
|
|
|
2972 || STRNICMP(name, "LPT", 3) == 0)
|
|
|
2973 && VIM_ISDIGIT(name[3])
|
|
|
2974 && name[4] == NUL))
|
|
|
2975 return NODE_WRITABLE;
|
|
|
2976 /* TODO: NODE_OTHER? */
|
|
|
2977 return NODE_NORMAL;
|
|
|
2978 }
|
|
|
2979
|
|
|
2980 /*
|
|
|
2981 * Get name of current directory into buffer 'buf' of length 'len' bytes.
|
|
|
2982 * Return OK for success, FAIL for failure.
|
|
|
2983 */
|
|
|
2984 int
|
|
|
2985 mch_dirname(
|
|
|
2986 char_u *buf,
|
|
|
2987 int len)
|
|
|
2988 {
|
|
|
2989 #ifdef DJGPP
|
|
|
2990 if (getcwd((char *)buf, len) == NULL)
|
|
|
2991 return FAIL;
|
|
|
2992 /* turn the '/'s returned by DJGPP into '\'s */
|
|
|
2993 slash_adjust(buf);
|
|
|
2994 return OK;
|
|
|
2995 #else
|
|
|
2996 return (getcwd((char *)buf, len) != NULL ? OK : FAIL);
|
|
|
2997 #endif
|
|
|
2998 }
|
|
|
2999
|
|
|
3000 /*
|
|
|
3001 * this version of remove is not scared by a readonly (backup) file
|
|
|
3002 *
|
|
|
3003 * returns -1 on error, 0 otherwise (just like remove())
|
|
|
3004 */
|
|
|
3005 int
|
|
|
3006 mch_remove(char_u *name)
|
|
|
3007 {
|
|
|
3008 (void)mch_setperm(name, 0); /* default permissions */
|
|
|
3009 return unlink((char *)name);
|
|
|
3010 }
|
|
|
3011
|
|
|
3012 /*
|
|
|
3013 * Special version of getenv(): Use uppercase name.
|
|
|
3014 */
|
|
|
3015 char_u *
|
|
|
3016 mch_getenv(char_u *name)
|
|
|
3017 {
|
|
|
3018 int i;
|
|
|
3019 #define MAXENVLEN 50
|
|
|
3020 char_u var_copy[MAXENVLEN + 1];
|
|
|
3021 char_u *p;
|
|
|
3022 char_u *res;
|
|
|
3023
|
|
|
3024 /*
|
|
|
3025 * Take a copy of the argument, and force it to upper case before passing
|
|
|
3026 * to getenv(). On DOS systems, getenv() doesn't like lower-case argument
|
|
|
3027 * (unlike Win32 et al.) If the name is too long to fit in var_copy[]
|
|
|
3028 * allocate memory.
|
|
|
3029 */
|
|
|
3030 if ((i = STRLEN(name)) > MAXENVLEN)
|
|
|
3031 p = alloc(i + 1);
|
|
|
3032 else
|
|
|
3033 p = var_copy;
|
|
|
3034 if (p == NULL)
|
|
|
3035 p = name; /* out of memory, fall back to unmodified name */
|
|
|
3036 else
|
|
|
3037 {
|
|
|
3038 for (i = 0; name[i] != NUL; ++i)
|
|
|
3039 p[i] = toupper(name[i]);
|
|
|
3040 p[i] = NUL;
|
|
|
3041 }
|
|
|
3042
|
|
|
3043 res = (char_u *)getenv((char *)p);
|
|
|
3044
|
|
|
3045 if (p != var_copy && p != name)
|
|
|
3046 vim_free(p);
|
|
|
3047
|
|
|
3048 return res;
|
|
|
3049 }
|
|
|
3050
|
|
|
3051 /*
|
|
|
3052 * Insert user name in s[len].
|
|
|
3053 */
|
|
|
3054 int
|
|
|
3055 mch_get_user_name(
|
|
|
3056 char_u *s,
|
|
|
3057 int len)
|
|
|
3058 {
|
|
|
3059 *s = NUL;
|
|
|
3060 return FAIL;
|
|
|
3061 }
|
|
|
3062
|
|
|
3063 /*
|
|
|
3064 * Insert host name is s[len].
|
|
|
3065 */
|
|
|
3066 void
|
|
|
3067 mch_get_host_name(
|
|
|
3068 char_u *s,
|
|
|
3069 int len)
|
|
|
3070 {
|
|
|
3071 #ifdef DJGPP
|
|
418
|
3072 vim_strncpy(s, "PC (32 bits Vim)", len - 1);
|
|
7
|
3073 #else
|
|
418
|
3074 vim_strncpy(s, "PC (16 bits Vim)", len - 1);
|
|
7
|
3075 #endif
|
|
|
3076 }
|
