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fix(inccommand): avoid unnecessary redraw when not showing (#20244)

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This commit is contained in:
zeertzjq
2022-09-19 12:37:25 +08:00
committed by GitHub
parent 647da34bbd
commit 7bd4c8e8ee
2 changed files with 60 additions and 3 deletions
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8
src/nvim/ex_getln.c
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@@ -2385,6 +2385,7 @@ static int command_line_changed(CommandLineState *s)
// Trigger CmdlineChanged autocommands.
do_autocmd_cmdlinechanged(s->firstc > 0 ? s->firstc : '-');
const bool prev_cmdpreview = cmdpreview;
if (s->firstc == ':'
&& current_sctx.sc_sid == 0 // only if interactive
&& *p_icm != NUL // 'inccommand' is set
@@ -2393,10 +2394,11 @@ static int command_line_changed(CommandLineState *s)
&& !vpeekc_any()
&& cmdpreview_may_show(s)) {
// 'inccommand' preview has been shown.
} else if (cmdpreview) {
cmdpreview = false;
update_screen(UPD_SOME_VALID); // Clear 'inccommand' preview.
} else {
cmdpreview = false;
if (prev_cmdpreview) {
update_screen(UPD_SOME_VALID); // Clear 'inccommand' preview.
}
if (s->xpc.xp_context == EXPAND_NOTHING && (KeyTyped || vpeekc() == NUL)) {
may_do_incsearch_highlighting(s->firstc, s->count, &s->is_state);
}