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authorzeertzjq <zeertzjq@outlook.com>2023-03-09 10:19:00 +0800
committerGitHub <noreply@github.com>2023-03-09 10:19:00 +0800
commit89a525de9f2551e460cc91d40fd7afbb7e07622f (patch)
tree2e9bd543d89b693c7a6382fa66ec82488f8a0c61 /runtime
parenteaccd0decd707ff7cec318e06914f963daa9574c (diff)
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fix(buffer_updates): save and restore current window cursor (#16732)
When a buffer update callback is called, textlock is active so buffer text cannot be changed, but cursor can still be moved. This can cause problems when the buffer update is in the middle of an operator, like the one mentioned in #16729. The solution is to save cursor position and restore it afterwards, like how cursor is saved and restored when evaluating an <expr> mapping.
Diffstat (limited to 'runtime')
-rw-r--r--runtime/doc/api.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/runtime/doc/api.txt b/runtime/doc/api.txt
index 3ca50dda15..2930f2314b 100644
--- a/runtime/doc/api.txt
+++ b/runtime/doc/api.txt
@@ -356,6 +356,7 @@ In-process Lua plugins can receive buffer updates in the form of Lua
callbacks. These callbacks are called frequently in various contexts;
|textlock| prevents changing buffer contents and window layout (use
|vim.schedule()| to defer such operations to the main loop instead).
+Moving the cursor is allowed, but it is restored afterwards.
|nvim_buf_attach()| will take keyword args for the callbacks. "on_lines" will
receive parameters ("lines", {buf}, {changedtick}, {firstline}, {lastline},