patch 9.1.0034: Window scrolls unexpectedly when 'scrollbind' is set
Problem: Window may unexpectedly scroll when 'scrollbind' is set
and setting a buffer-local option using setbufvar()
(Boris Staletic)
Solution: Save and restore the windows topline before opening the
popup window.
fixes: #13863
closes: #13869
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/evalvars.c b/src/evalvars.c
index 8e42c5a..cbcf2a7 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -4924,6 +4924,10 @@
if (*varname == '&')
{
aco_save_T aco;
+ // safe the current window position, it could
+ // change because of 'scrollbind' window-local
+ // options
+ linenr_T old_topline = curwin->w_topline;
// Set curbuf to be our buf, temporarily.
aucmd_prepbuf(&aco, buf);
@@ -4935,6 +4939,7 @@
// reset notion of buffer
aucmd_restbuf(&aco);
}
+ curwin->w_topline = old_topline;
}
else
{