| 1 | /* Copyright (c) 1985 Ceriel J.H. Jacobs */
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| 2 |
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| 3 | # ifndef lint
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| 4 | static char rcsid[] = "$Header: /cvsup/minix/src/commands/yap/prompt.c,v 1.1.1.1 2005/04/21 14:55:41 beng Exp $";
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| 5 | # endif
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| 6 |
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| 7 | # define _PROMPT_
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| 8 |
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| 9 | # include "in_all.h"
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| 10 | # include "prompt.h"
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| 11 | # include "term.h"
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| 12 | # include "output.h"
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| 13 | # include "options.h"
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| 14 | # include "display.h"
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| 15 | # include "process.h"
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| 16 | # include "getline.h"
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| 17 | # include "main.h"
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| 18 | # include "getcomm.h"
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| 19 | # include "keys.h"
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| 20 | # include "assert.h"
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| 21 | # include "commands.h"
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| 22 |
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| 23 | #define basename(x) x
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| 24 |
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| 25 | #ifndef basename
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| 26 | STATIC char * basename();
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| 27 | #endif
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| 28 |
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| 29 | static char *errorgiven; /* Set to error message, if there is one */
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| 30 |
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| 31 | char *
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| 32 | copy(p, ep, s)
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| 33 | register char *p, *s;
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| 34 | char *ep;
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| 35 | {
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| 36 | while (p < ep && *s) {
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| 37 | *p++ = *s++;
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| 38 | }
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| 39 | return p;
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| 40 | }
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| 41 |
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| 42 | /*
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| 43 | * display the prompt and refresh the screen.
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| 44 | */
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| 45 |
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| 46 | VOID
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| 47 | give_prompt() {
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| 48 |
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| 49 | register char **name;
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| 50 | register struct scr_info *p = &scr_info;
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| 51 | char buf[256];
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| 52 | register char *pb = buf;
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| 53 |
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| 54 | if (startcomm) return;
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| 55 | flush();
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| 56 | if (window()) {
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| 57 | redraw(0);
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| 58 | flush();
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| 59 | }
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| 60 | if (!stupid) {
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| 61 | /*
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| 62 | * fancy prompt
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| 63 | */
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| 64 | clrbline();
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| 65 | standout();
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| 66 | pb = copy(pb, &buf[255], basename(currentfile));
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| 67 | if (stdf >= 0) {
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| 68 | pb = copy(pb, &buf[255], ", ");
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| 69 | pb = copy(pb, &buf[255], getnum(p->firstline));
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| 70 | pb = copy(pb, &buf[255], "-");
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| 71 | pb = copy(pb, &buf[255], getnum(p->lastline));
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| 72 | }
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| 73 | }
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| 74 | else {
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| 75 | *pb++ = '\007'; /* Stupid terminal, stupid prompt */
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| 76 | }
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| 77 | if (errorgiven) {
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| 78 | /*
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| 79 | * display error message
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| 80 | */
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| 81 | pb = copy(pb, &buf[255], " ");
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| 82 | pb = copy(pb, &buf[255], errorgiven);
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| 83 | if (stupid) {
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| 84 | pb = copy(pb, &buf[255], "\r\n");
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| 85 | }
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| 86 | errorgiven = 0;
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| 87 | }
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| 88 | else if (!stupid && (status || maxpos)) {
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| 89 | pb = copy(pb, &buf[255], " (");
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| 90 | name = &filenames[filecount];
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| 91 | if (status) {
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| 92 | /*
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| 93 | * indicate top and/or bottom
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| 94 | */
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| 95 | if (status & START) {
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| 96 | if (!*(name - 1)) {
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| 97 | pb = copy(pb, &buf[255], "Top");
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| 98 | }
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| 99 | else {
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| 100 | pb = copy(pb, &buf[255], "Previous: ");
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| 101 | pb = copy(pb, &buf[255], basename(*(name - 1)));
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| 102 | }
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| 103 | if (status & EOFILE) {
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| 104 | pb = copy(pb, &buf[255], ", ");
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| 105 | }
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| 106 | }
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| 107 | if (status & EOFILE) {
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| 108 | if (!*(name+1)) {
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| 109 | pb = copy(pb, &buf[255], "Bottom");
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| 110 | }
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| 111 | else {
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| 112 | pb = copy(pb, &buf[255], "Next: ");
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| 113 | pb = copy(pb, &buf[255], basename(*(name + 1)));
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| 114 | }
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| 115 | }
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| 116 | }
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| 117 | else { /* display percentage */
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| 118 | pb = copy(pb, &buf[255], getnum((100 * getpos(p->lastline))/maxpos));
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| 119 | pb = copy(pb, &buf[255], "%");
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| 120 | }
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| 121 | pb = copy(pb, &buf[255], ")");
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| 122 | }
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| 123 | *pb = '\0';
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| 124 | if (!stupid) {
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| 125 | buf[COLS-1] = 0;
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| 126 | putline(buf);
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| 127 | standend();
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| 128 | }
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| 129 | else putline(buf);
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| 130 | }
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| 131 |
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| 132 | /*
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| 133 | * Remember error message
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| 134 | */
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| 135 |
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| 136 | VOID
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| 137 | error(str) char *str; {
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| 138 |
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| 139 | errorgiven = str;
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| 140 | }
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| 141 |
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| 142 | #ifndef basename
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| 143 | STATIC char *
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| 144 | basename(fn) char *fn; { /* Return name without path */
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| 145 |
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| 146 | register char *s;
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| 147 |
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| 148 | s = fn;
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| 149 | while (*s++) ; /* Search end of name */
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| 150 | for (;;) {
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| 151 | if (*--s == '/') {
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| 152 | /*
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| 153 | * Backwards to first '/'
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| 154 | */
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| 155 | if (*(s+1)) {
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| 156 | /*
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| 157 | * There is a name after the '/'
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| 158 | */
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| 159 | return s + 1;
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| 160 | }
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| 161 | *s = 0; /* No name after the '/' */
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| 162 | }
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| 163 | if (s == fn) return s;
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| 164 | }
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| 165 | /* NOTREACHED */
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| 166 | }
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| 167 | #endif
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| 168 |
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| 169 | VOID
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| 170 | ret_to_continue() { /* Obvious */
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| 171 | int c;
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| 172 | static char buf[2];
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| 173 |
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| 174 | for (;;) {
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| 175 | clrbline();
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| 176 | standout();
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| 177 | if (errorgiven) {
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| 178 | putline(errorgiven);
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| 179 | putline(" ");
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| 180 | errorgiven = 0;
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| 181 | }
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| 182 | putline("[Type anything to continue]");
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| 183 | standend();
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| 184 | if (is_escape(c = getch())) {
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| 185 | buf[0] = c;
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| 186 | (VOID) match(buf, &c, currmap->k_mach);
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| 187 | assert(c > 0);
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| 188 | do_comm(c, -1L);
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| 189 | }
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| 190 | else break;
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| 191 | }
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| 192 | clrbline();
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| 193 | }
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