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/***
input.c - a custom keyboard input module
Written by Gerard Paul Java
Copyright (c) Gerard Paul Java 1997
This module is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
***/
#include <curses.h>
#include <panel.h>
#include <ctype.h>
#include "input.h"
void tx_initfields(struct FIELDLIST *list, int leny, int lenx, int begy,
int begx, int dlgtextattr, int fieldattr)
{
list->list = NULL;
list->fieldwin = newwin(leny, lenx, begy, begx);
list->fieldpanel = new_panel(list->fieldwin);
tx_stdwinset(list->fieldwin);
wtimeout(list->fieldwin, -1);
wattrset(list->fieldwin, dlgtextattr);
tx_colorwin(list->fieldwin);
update_panels();
doupdate();
list->dlgtextattr = dlgtextattr;
list->fieldattr = fieldattr;
}
void tx_addfield(struct FIELDLIST *list, unsigned int len,
unsigned int y, unsigned int x, const char *initstr)
{
struct FIELD *newfield;
int i;
newfield = malloc(sizeof(struct FIELD));
if (list->list == NULL) {
list->list = newfield;
newfield->prevfield = newfield;
newfield->nextfield = newfield;
} else {
newfield->prevfield = list->list->prevfield;
list->list->prevfield->nextfield = newfield;
list->list->prevfield = newfield;
newfield->nextfield = list->list;
}
newfield->xpos = x;
newfield->ypos = y;
newfield->len = len;
newfield->tlen = strlen(initstr);
newfield->buf = malloc(len + 1);
bzero(newfield->buf, len + 1);
strncpy(newfield->buf, initstr, len);
if (newfield->tlen > (len))
newfield->tlen = len;
wattrset(list->fieldwin, list->fieldattr);
wmove(list->fieldwin, y, x);
for (i = 1; i <= len; i++)
wprintw(list->fieldwin, " ");
wmove(list->fieldwin, y, x);
wprintw(list->fieldwin, "%s", newfield->buf);
update_panels();
doupdate();
}
void tx_getinput(struct FIELDLIST *list, struct FIELD *field, int *exitkey)
{
int ch;
int y, x;
int endloop = 0;
wmove(list->fieldwin, field->ypos, field->xpos);
wattrset(list->fieldwin, list->fieldattr);
wprintw(list->fieldwin, "%s", field->buf);
update_panels();
doupdate();
do {
ch = wgetch(list->fieldwin);
switch (ch) {
#ifndef DISABLEBS
case KEY_BACKSPACE:
#endif
case 7:
case 8:
case KEY_DC:
case KEY_LEFT:
case 127:
if (field->tlen > 0) {
getyx(list->fieldwin, y, x);
x--;
wmove(list->fieldwin, y, x);
wprintw(list->fieldwin, " ");
wmove(list->fieldwin, y, x);
field->tlen--;
field->buf[field->tlen] = '\0';
}
break;
case 9:
case 27:
case 24:
case 13:
case 10:
case KEY_UP:
case KEY_DOWN:
endloop = 1;
*exitkey = ch;
break;
case 12:
tx_refresh_screen();
break;
default:
if ((field->tlen < field->len) && ((ch >= 32) && (ch <= 127))) {
wprintw(list->fieldwin, "%c", ch);
if (ch == ' ') {
getyx(list->fieldwin, y, x);
wmove(list->fieldwin, y, x);
}
field->buf[field->tlen + 1] = '\0';
field->buf[field->tlen] = ch;
field->tlen++;
}
break;
}
doupdate();
} while (!endloop);
}
void tx_fillfields(struct FIELDLIST *list, int *aborted)
{
struct FIELD *field;
int exitkey;
int exitloop = 0;
field = list->list;
curs_set(1);
do {
tx_getinput(list, field, &exitkey);
switch (exitkey) {
case 9:
case KEY_DOWN:
field = field->nextfield;
break;
case KEY_UP:
field = field->prevfield;
break;
case 13:
case 10:
*aborted = 0;
exitloop = 1;
break;
case 27:
case 24:
*aborted = 1;
exitloop = 1;
break;
}
} while (!exitloop);
curs_set(0);
}
void tx_destroyfields(struct FIELDLIST *list)
{
struct FIELD *ptmp;
struct FIELD *pnext;
list->list->prevfield->nextfield = NULL;
ptmp = list->list;
pnext = list->list->nextfield;
do {
free(ptmp);
ptmp = pnext;
if (pnext != NULL) {
pnext = pnext->nextfield;
}
} while (ptmp != NULL);
del_panel(list->fieldpanel);
delwin(list->fieldwin);
}
char *tx_ltrim(char *str)
{
char *cptr = str;
while (isspace(*cptr))
cptr++;
return cptr;
}
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