int main(int argc, char const *argv[])
{
char *bf;
size_t a;
if(argc > 1) {
//readline_set_comment();
while((bf = readline_continue(argv[1], &a)) != NULL) {
printf("(%4d): %s\n", (int)a, bf);
}
if(readline_error()) {
puts(readline_errstr());
}
} else {
readline_set_strip();
while((bf = readline_fp(stdin, &a)) != NULL) {
printf("(%4d): %s\n", (int)a, bf);
}
if(readline_error()) {
puts(readline_errstr());
}
}
return 0;
}
/**
* Write the command-prompt.
*/
static void
write_cmdprompt(WINDOW *win, char *prompt, int size)
{
if (werase(win) == ERR) {
readline_error(0, "werase");
}
if (waddnstr(win, prompt, size) == ERR) {
readline_error(0, "waddnstr");
}
update_panels();
(void) doupdate();
}
/**
* Regular handling of a key-press.
*/
static void
handle_key(volatile struct readline_session_context *ctx, wint_t wc)
{
if (ctx->no_bufspc) {
term_beep();
return;
}
if (hiLim_isset(ctx->act)) {
magic_swap_panels(ctx, true);
}
if (ctx->insert_mode) {
wchar_t *ptr = &ctx->buffer[ctx->bufpos];
struct current_cursor_pos yx;
(void) wmemmove(ptr + 1, ptr, wcslen(ptr));
*ptr = wc;
ctx->bufpos++, ctx->n_insert++;
readline_winsch(ctx->act, wc);
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx + 1) == ERR) {
readline_error(EPERM, "wmove");
}
} else {
ctx->buffer[ctx->bufpos] = wc;
ctx->bufpos++, ctx->n_insert++;
readline_waddch(ctx->act, wc);
}
update_panels();
(void) doupdate();
}
/**
* Key backspace.
*/
static void
case_key_backspace(volatile struct readline_session_context *ctx)
{
struct current_cursor_pos yx;
if (ctx->bufpos == 0) {
term_beep();
return;
}
if (loLim_isset(ctx->act, ctx->prompt_size)) {
magic_swap_panels(ctx, false);
}
if (ctx->insert_mode) {
wchar_t *ptr = &ctx->buffer[ctx->bufpos--];
(void) wmemmove(ptr - 1, ptr, wcslen(ptr));
ctx->buffer[--ctx->n_insert] = 0L;
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx - 1) == ERR ||
wdelch(ctx->act) == ERR || wclrtoeol(ctx->act) == ERR) {
readline_error(EPERM, "wmove, wdelch or wclrtoeol");
}
readline_winsnstr(ctx->act, &ctx->buffer[ctx->bufpos], -1);
} else { /* not insert_mode */
ctx->buffer[--ctx->bufpos] = 0L;
ctx->n_insert--;
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx - 1) == ERR ||
wdelch(ctx->act) == ERR) {
readline_error(EPERM, "wmove or wdelch");
}
}
update_panels();
(void) doupdate();
}
/**
* When swapping between panels: computes the new window entry.
*/
static void
compute_new_window_entry(volatile struct readline_session_context *ctx,
bool fwd)
{
int diff, buf_index;
wchar_t *str1, *str2;
if (fwd) {
diff = COLS / 2;
buf_index = int_diff(ctx->bufpos, diff);
if (COLS % 2 == 0) {
buf_index += 1;
}
str1 = &ctx->buffer[buf_index];
str2 = &ctx->buffer[ctx->bufpos];
} else {
diff = int_diff(COLS / 2, ctx->prompt_size);
if ((buf_index = int_diff(ctx->bufpos, diff)) < 0) {
readline_error(ERANGE, "compute_new_window_entry");
}
str1 = &ctx->buffer[buf_index];
str2 = &ctx->buffer[ctx->bufpos];
}
if (ctx->insert_mode) {
if (ctx->bufpos > 0) {
readline_waddnstr(ctx->act, str1, str2 - str1);
}
readline_winsnstr(ctx->act, str2, -1);
} else {
readline_waddnstr(ctx->act, str1, -1);
}
update_panels();
(void) doupdate();
}
/**
* Handles what happens if the delete key is pressed.
*/
static void
case_key_dc(volatile struct readline_session_context *ctx)
{
wchar_t *ptr;
const int this_index = ctx->bufpos + 1;
if (!ctx->insert_mode) {
term_beep();
return;
}
ptr = &ctx->buffer[this_index];
(void) wmemmove(ptr - 1, ptr, wcslen(ptr));
ctx->buffer[--ctx->n_insert] = 0L;
if (wdelch(ctx->act) == ERR || wclrtoeol(ctx->act) == ERR) {
readline_error(EPERM, "wdelch or wclrtoeol");
}
readline_winsnstr(ctx->act, &ctx->buffer[ctx->bufpos], -1);
update_panels();
(void) doupdate();
}
/**
* Key right
*/
static void
case_key_right(volatile struct readline_session_context *ctx)
{
struct current_cursor_pos yx;
if (!ctx->insert_mode) {
term_beep();
return;
}
if (hiLim_isset(ctx->act)) {
magic_swap_panels(ctx, true);
}
ctx->bufpos++;
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx + 1) == ERR) {
readline_error(EPERM, "wmove");
}
update_panels();
(void) doupdate();
}
/**
* Key left
*/
static void
case_key_left(volatile struct readline_session_context *ctx)
{
struct current_cursor_pos yx;
if (ctx->bufpos == 0) {
term_beep();
return;
}
if (loLim_isset(ctx->act, ctx->prompt_size)) {
magic_swap_panels(ctx, false);
}
ctx->bufpos--;
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx - 1) == ERR) {
readline_error(EPERM, "wmove");
}
update_panels();
(void) doupdate();
}