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refactor(ctx): ctx_restore_curwin #40667

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unify context-switching logic.

1. `prevwin` is now restored for all targets (was buf-only).
   - add a `nvim_win_call` test.
2. The buf-found "restore the shown buffer" dance no longer depends on
   the origin window: it runs even if the callback closed the origin.
This commit is contained in:
Justin M. Keyes
2026-07-10 07:58:02 -04:00
committed by GitHub
parent e684a3dd18
commit d79c787f27
3 changed files with 64 additions and 38 deletions
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15
test/functional/api/buffer_spec.lua
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@@ -2553,6 +2553,21 @@ describe('api/buf', function()
end)
describe('nvim_buf_call', function()
it('window keeps the buffer when the callback closes the original window', function()
local origin = api.nvim_get_current_win()
local other_buf = api.nvim_create_buf(true, false)
local other_win = api.nvim_open_win(other_buf, false, { split = 'right' })
exec_lua(function()
vim.api.nvim_buf_call(other_buf, function()
vim.api.nvim_win_close(origin, true)
vim.cmd('enew') -- switch the context window away from other_buf
end)
end)
-- Original window is gone: stay in the nvim_buf_call window, but buffer is restored.
eq(other_win, api.nvim_get_current_win())
eq(other_buf, api.nvim_win_get_buf(other_win))
end)
it('preserves visual-mode, unless the callback ended it', function()
-- Same-buffer: Visual survives untouched.
command('normal! v')