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/* Stopgap, until Paul does the right thing */
#define ESC 27
#define TAB 9
#include <stdlib.h>
#include <limits.h>
#include <sys/types.h>
#include <string.h>
#include <string.h>
#include <dialog.h>
#include "sysinstall.h"
int
edit_line(WINDOW *window, int y, int x, char *field, int width, int maxlen)
{
int len;
int key = 0;
int fpos, dispos, curpos;
int i;
int done = 0;
len = strlen(field);
if (len < width) {
fpos = len;
curpos = len;
dispos = 0;
} else {
fpos = width;
curpos = width;
dispos = len - width;
};
do {
wattrset(window, item_selected_attr);
wmove(window, y, x);
for (i=0; i < width; i++)
if (i < (len - dispos))
waddch(window, field[dispos+i]);
else
waddch(window, ' ');
wmove(window, y, x + curpos);
wrefresh(window);
key = wgetch(window);
switch (key) {
case TAB:
case KEY_BTAB:
case KEY_UP:
case KEY_DOWN:
case ESC:
case '\n':
case '\r':
done = 1;
break;
case KEY_HOME:
if (len < width) {
fpos = len;
curpos = len;
dispos = 0;
} else {
fpos = width;
curpos = width;
dispos = len - width;
};
break;
case KEY_END:
if (len < width) {
dispos = 0;
curpos = len - 1;
} else {
dispos = len - width - 1;
curpos = width - 1;
}
fpos = len - 1;
break;
case KEY_LEFT:
if ((!curpos) && (!dispos)) {
beep();
break;
}
if (--curpos < 0) {
curpos = 0;
if (--dispos < 0)
dispos = 0;
}
if (--fpos < 0)
fpos = 0;
break;
case KEY_RIGHT:
if ((curpos + dispos) == len) {
beep();
break;
}
if ((curpos == (width-1)) && (dispos == (maxlen - width -1))) {
beep();
break;
}
if (++curpos >= width) {
curpos = width - 1;
dispos++;
}
if (dispos >= len)
dispos = len - 1;
if (++fpos >= len) {
fpos = len;
}
break;
case KEY_BACKSPACE:
case KEY_DC:
if ((!curpos) && (!dispos)) {
beep();
break;
}
if (fpos > 0) {
memmove(field+fpos-1, field+fpos, len - fpos);
len--;
fpos--;
if (curpos > 0)
--curpos;
if (!curpos)
--dispos;
if (dispos < 0)
dispos = 0;
} else
beep();
break;
default:
if (len < maxlen - 1) {
memmove(field+fpos+1, field+fpos, len - fpos);
field[fpos] = key;
len++;
fpos++;
if (++curpos == width) {
--curpos;
dispos++;
}
if (len == (maxlen - 1)) {
dispos = (maxlen - width - 1);
}
} else
beep();
break;
}
} while (!done);
wattrset(window, dialog_attr);
wmove(window, y, x);
for (i=0; i < width; i++)
if (i < (len - dispos))
waddch(window, field[dispos+i]);
else
waddch(window, ' ');
wmove(window, y, x + curpos);
wstandend(window);
field[len] = 0;
wrefresh(window);
return (key);
}
int
AskEm(WINDOW *w,char *prompt, char *answer, int len)
{
int x,y;
mvwprintw(w,23,0,prompt);
getyx(w,y,x);
addstr(" ");
return edit_line(w,y,x,answer,len,len+1);
}
void
ShowFile(char *filename, char *header)
{
char buf[256];
if (access(filename, R_OK)) {
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);
dialog_msgbox("Sorry!", buf, 6, 75, 1);
return;
}
dialog_clear();
dialog_textbox(header, filename, LINES-1, COLS);
dialog_clear();
}
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