/****************************************************************************
- * Copyright 2020 Thomas E. Dickey *
+ * Copyright 2020-2023,2024 Thomas E. Dickey *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* authorization. *
****************************************************************************/
/*
- * $Id: move_field.c,v 1.5 2020/03/21 22:04:03 tom Exp $
+ * $Id: move_field.c,v 1.16 2024/06/29 17:45:02 tom Exp $
*
* Demonstrate move_field().
*/
static char empty[] = "";
static FIELD *all_fields[100];
-
/* *INDENT-OFF* */
static struct {
int code;
{ CTRL('W'), REQ_NEXT_WORD, "go to next word" },
{ CTRL('X'), REQ_CLR_FIELD, "clear field" },
{ CTRL('['), MY_QUIT, "exit form" },
- { KEY_F(1), MY_HELP, "show this screen", },
+ { HELP_KEY_2, MY_HELP, "show this screen", },
{ KEY_BACKSPACE, REQ_DEL_PREV, "delete previous character" },
{ KEY_BTAB, REQ_PREV_FIELD, "go to previous field" },
{ KEY_DOWN, REQ_DOWN_CHAR, "move down 1 character" },
if (f) {
set_field_buffer(f, 0, label);
- set_field_opts(f, (int) ((unsigned) field_opts(f) & ~O_ACTIVE));
+ set_field_opts(f, (int) ((unsigned) field_opts(f) & (unsigned) ~O_ACTIVE));
}
return (f);
}
werase(w);
wrefresh(w);
delwin(s);
- delwin(w);
}
static FieldAttrs *
int status;
FIELD *before;
unsigned n;
- int length;
int before_row;
int before_col;
int before_off = offset_in_field(form);
if (status == E_OK) {
bool modified = TRUE;
+ int length = buffer_length(before);
- length = buffer_length(before);
if (length < before_off)
length = before_off;
switch (*result) {
}
static FIELD **
-copy_fields(FIELD **source, int length)
+copy_fields(FIELD **source, size_t length)
{
- FIELD **target = calloc(length + 1, sizeof(FIELD *));
+ FIELD **target = typeCalloc(FIELD *, length + 1);
memcpy(target, source, length * sizeof(FIELD *));
return target;
}
getyx(stdscr, currow, curcol);
mvprintw(LINES - 1, 0,
"Field at [%d,%d]. Press %s to quit moving.",
- getbegy(sub) + field->frow,
- getbegx(sub) + field->fcol,
+ getbegy(sub) + form_field_row(field),
+ getbegx(sub) + form_field_col(field),
keyname(DO_DEMO));
clrtobot();
move(currow, curcol);
{
int count = field_count(form);
FIELD *my_field = current_field(form);
+ FIELD **old_fields = form_fields(form);
- if (count > 0 && my_field != NULL) {
- FIELD **old_fields = copy_fields(form_fields(form), count);
- FIELD **new_fields = copy_fields(form_fields(form), count);
- int ch;
+ if (count > 0 && old_fields != NULL && my_field != NULL) {
+ size_t needed = (size_t) count;
+ FIELD **new_fields = copy_fields(old_fields, needed);
- if (old_fields != NULL && new_fields != NULL) {
+ if (new_fields != NULL) {
bool found = FALSE;
+ int ch;
/* TODO: move the label too, in parallel with the editing field */
getyx(stdscr, currow, curcol);
show_status(form, my_field);
- ch = '?';
while ((ch = wgetch(form_win(form))) != DO_DEMO) {
- int field_y = my_field->frow;
- int field_x = my_field->fcol;
+ int field_y = form_field_row(my_field);
+ int field_x = form_field_col(my_field);
switch (ch) {
case 'h':
nl();
}
+static void
+usage(int ok)
+{
+ static const char *msg[] =
+ {
+ "Usage: move_field [options]"
+ ,""
+ ,USAGE_COMMON
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
int
-main(void)
+main(int argc, char *argv[])
{
+ int ch;
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+ switch (ch) {
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
+ default:
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
+ }
+ }
+ if (optind < argc)
+ usage(FALSE);
+
setlocale(LC_ALL, "");
initscr();