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vim-patch:9.1.0047: issues with temp curwin/buf while cmdwin is open

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Problem:  Things that temporarily change/restore curwin/buf (e.g:
          win_execute, some autocmds) may break assumptions that
          curwin/buf is the cmdwin when "cmdwin_type != 0", causing
          issues.

Solution: Expose the cmdwin's real win/buf and check that instead. Also
          try to ensure these variables are NULL if "cmdwin_type == 0",
          allowing them to be used directly in most cases without
          checking cmdwin_type. (Sean Dewar)

Reset and save `cmdwin_old_curwin` in a similar fashion.
Apply suitable changes for API functions and add Lua tests.

988f74311c
This commit is contained in:
Sean Dewar
2023-07-27 01:38:23 +01:00
parent 2cd76a758b
commit cf140fb25b
15 changed files with 214 additions and 16 deletions
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2
src/nvim/textformat.c
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@@ -763,7 +763,7 @@ int comp_textwidth(bool ff)
// The width is the window width minus 'wrapmargin' minus all the
// things that add to the margin.
textwidth = curwin->w_width_inner - (int)curbuf->b_p_wm;
if (cmdwin_type != 0) {
if (curbuf == cmdwin_buf) {
textwidth -= 1;
}
textwidth -= win_fdccol_count(curwin);