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vim-patch:8.2.3430: no generic way to trigger an autocommand on mode change

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Problem:    No generic way to trigger an autocommand on mode change.
Solution:   Add the ModeChanged autocommand event. (Magnus Gross, closes vim/vim#8856)
f1e8876fa2

N/A patches for version.c:

vim-patch:8.2.3434: function prototype for trigger_modechanged() is incomplete

Problem:    Function prototype for trigger_modechanged() is incomplete.
Solution:   Add "void".
28e591dd50

Fixes #4399.
Fixes #7416.
This commit is contained in:
Magnus Groß
2021-09-29 16:36:48 +02:00
parent 36538417f0
commit 69bd1e4e36
13 changed files with 101 additions and 8 deletions
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29
src/nvim/misc1.c
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@@ -1059,3 +1059,32 @@ void add_time(char_u *buf, size_t buflen, time_t tt)
seconds);
}
}
/// Fires a ModeChanged autocmd.
void trigger_modechanged(void)
{
if (!has_event(EVENT_MODECHANGED)) {
return;
}
dict_T *v_event = get_vim_var_dict(VV_EVENT);
char *mode = get_mode();
if (last_mode == NULL) {
last_mode = (char *)vim_strsave((char_u *)"n");
}
tv_dict_add_str(v_event, S_LEN("new_mode"), mode);
tv_dict_add_str(v_event, S_LEN("old_mode"), last_mode);
char_u *pat_pre = concat_str((char_u *)last_mode, (char_u *)":");
char_u *pat = concat_str(pat_pre, (char_u *)mode);
xfree(pat_pre);
apply_autocmds(EVENT_MODECHANGED, pat, NULL, false, curbuf);
xfree(last_mode);
last_mode = mode;
xfree(pat);
tv_dict_free_contents(v_event);
hash_init(&v_event->dv_hashtab);
}