api(nvim_open_win): add "noautocmd" option

This option, when set, stops nvim_open_win() from potentially firing
buffer-related autocmd events
(BufEnter, BufLeave and BufWinEnter in the case of nvim_open_win()).

1 files changed, 5 insertions, 2 deletions

diff --git a/src/nvim/api/vim.c b/src/nvim/api/vim.c
index a76cefe294..99a41f4f6f 100644
--- a/src/nvim/api/vim.c
+++ b/src/nvim/api/vim.c
@@ -1459,6 +1459,9 @@ void nvim_chan_send(Integer chan, String data, Error *err)
 ///     By default `FloatBorder` highlight is used which links to `VertSplit`
 ///     when not defined.  It could also be specified by character:
 ///       [ {"+", "MyCorner"}, {"x", "MyBorder"} ]
+///   - `noautocmd`: If true then no buffer-related autocommand events such as
+///                  |BufEnter|, |BufLeave| or |BufWinEnter| may fire from
+///                  calling this function.
 ///
 /// @param[out] err Error details, if any
 ///
@@ -1469,7 +1472,7 @@ Window nvim_open_win(Buffer buffer, Boolean enter, Dictionary config,
   FUNC_API_CHECK_TEXTLOCK
 {
   FloatConfig fconfig = FLOAT_CONFIG_INIT;
-  if (!parse_float_config(config, &fconfig, false, err)) {
+  if (!parse_float_config(config, &fconfig, false, true, err)) {
     return 0;
   }
   win_T *wp = win_new_float(NULL, fconfig, err);
@@ -1484,7 +1487,7 @@ Window nvim_open_win(Buffer buffer, Boolean enter, Dictionary config,
     return 0;
   }
   if (buffer > 0) {
-    nvim_win_set_buf(wp->handle, buffer, err);
+    win_set_buf(wp->handle, buffer, fconfig.noautocmd, err);
   }
 
   if (fconfig.style == kWinStyleMinimal) {