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185 lines
3.5 KiB
C
185 lines
3.5 KiB
C
/* Stopgap, until Paul does the right thing */
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#define ESC 27
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#define TAB 9
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#include <stdlib.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <string.h>
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#include <string.h>
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#include <dialog.h>
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#include "sysinstall.h"
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int
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edit_line(WINDOW *window, int y, int x, char *field, int width, int maxlen)
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{
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int len;
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int key = 0;
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int fpos, dispos, curpos;
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int i;
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int done = 0;
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len = strlen(field);
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if (len < width) {
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fpos = len;
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curpos = len;
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dispos = 0;
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} else {
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fpos = width;
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curpos = width;
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dispos = len - width;
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};
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do {
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wattrset(window, item_selected_attr);
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wmove(window, y, x);
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for (i=0; i < width; i++)
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if (i < (len - dispos))
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waddch(window, field[dispos+i]);
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else
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waddch(window, ' ');
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wmove(window, y, x + curpos);
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wrefresh(window);
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key = wgetch(window);
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switch (key) {
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case TAB:
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case KEY_BTAB:
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case KEY_UP:
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case KEY_DOWN:
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case ESC:
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case '\n':
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case '\r':
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done = 1;
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break;
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case KEY_HOME:
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if (len < width) {
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fpos = len;
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curpos = len;
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dispos = 0;
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} else {
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fpos = width;
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curpos = width;
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dispos = len - width;
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};
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break;
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case KEY_END:
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if (len < width) {
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dispos = 0;
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curpos = len - 1;
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} else {
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dispos = len - width - 1;
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curpos = width - 1;
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}
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fpos = len - 1;
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break;
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case KEY_LEFT:
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if ((!curpos) && (!dispos)) {
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beep();
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break;
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}
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if (--curpos < 0) {
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curpos = 0;
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if (--dispos < 0)
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dispos = 0;
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}
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if (--fpos < 0)
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fpos = 0;
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break;
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case KEY_RIGHT:
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if ((curpos + dispos) == len) {
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beep();
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break;
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}
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if ((curpos == (width-1)) && (dispos == (maxlen - width -1))) {
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beep();
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break;
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}
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if (++curpos >= width) {
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curpos = width - 1;
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dispos++;
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}
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if (dispos >= len)
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dispos = len - 1;
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if (++fpos >= len) {
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fpos = len;
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}
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break;
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case KEY_BACKSPACE:
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case KEY_DC:
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if ((!curpos) && (!dispos)) {
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beep();
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break;
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}
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if (fpos > 0) {
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memmove(field+fpos-1, field+fpos, len - fpos);
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len--;
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fpos--;
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if (curpos > 0)
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--curpos;
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if (!curpos)
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--dispos;
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if (dispos < 0)
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dispos = 0;
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} else
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beep();
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break;
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default:
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if (len < maxlen - 1) {
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memmove(field+fpos+1, field+fpos, len - fpos);
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field[fpos] = key;
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len++;
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fpos++;
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if (++curpos == width) {
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--curpos;
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dispos++;
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}
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if (len == (maxlen - 1)) {
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dispos = (maxlen - width - 1);
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}
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} else
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beep();
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break;
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}
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} while (!done);
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wattrset(window, dialog_attr);
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wmove(window, y, x);
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for (i=0; i < width; i++)
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if (i < (len - dispos))
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waddch(window, field[dispos+i]);
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else
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waddch(window, ' ');
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wmove(window, y, x + curpos);
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wstandend(window);
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field[len] = 0;
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wrefresh(window);
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return (key);
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}
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int
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AskEm(WINDOW *w,char *prompt, char *answer, int len)
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{
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int x,y;
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mvwprintw(w,23,0,prompt);
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getyx(w,y,x);
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addstr(" ");
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return edit_line(w,y,x,answer,len,len+1);
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}
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void
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ShowFile(char *filename, char *header)
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{
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char buf[256];
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if (access(filename, R_OK)) {
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sprintf(buf, "Odd, I thought I had a file called %s around here somewhere,\nbut I can't seem to find it now that I need it. Sorry about that!", filename);
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dialog_msgbox("Sorry!", buf, 6, 75, 1);
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return;
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}
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dialog_clear();
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sprintf(buf, "/stand/gzip -c -d %s", filename);
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dialog_prgbox(header, buf, LINES-1, COLS, TRUE, FALSE);
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dialog_clear();
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}
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