mirrors/neovim
1
0
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2025-09-15 07:48:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

events: allow event processing in getchar()

Browse Source 
this is consistent with vim, and is necessary for plugins that implement
their own input modes using "getchar()" and still want to do async
event processing.
This commit is contained in:
Björn Linse
2016-09-25 09:47:23 +02:00
parent 5a61ff188c
commit 719dae2e01
2 changed files with 85 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
src/nvim/eval.c
View File

@@ -9527,24 +9527,35 @@ static void f_getchar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
varnumber_T n;
int error = FALSE;
/* Position the cursor. Needed after a message that ends in a space. */
ui_cursor_goto(msg_row, msg_col);
++no_mapping;
++allow_keys;
for (;; ) {
if (argvars[0].v_type == VAR_UNKNOWN)
/* getchar(): blocking wait. */
// Position the cursor. Needed after a message that ends in a space,
// or if event processing caused a redraw.
ui_cursor_goto(msg_row, msg_col);
if (argvars[0].v_type == VAR_UNKNOWN) {
// getchar(): blocking wait.
if (!(char_avail() || using_script() || input_available())) {
input_enable_events();
(void)os_inchar(NULL, 0, -1, 0);
input_disable_events();
if (!multiqueue_empty(main_loop.events)) {
multiqueue_process_events(main_loop.events);
continue;
}
}
n = safe_vgetc();
else if (get_tv_number_chk(&argvars[0], &error) == 1)
/* getchar(1): only check if char avail */
} else if (get_tv_number_chk(&argvars[0], &error) == 1) {
// getchar(1): only check if char avail
n = vpeekc_any();
else if (error || vpeekc_any() == NUL)
/* illegal argument or getchar(0) and no char avail: return zero */
} else if (error || vpeekc_any() == NUL) {
// illegal argument or getchar(0) and no char avail: return zero
n = 0;
else
/* getchar(0) and char avail: return char */
} else {
// getchar(0) and char avail: return char
n = safe_vgetc();
}
if (n == K_IGNORE)
continue;