From 6028de3b5aeb18ad0d6dc8166b1a6d04d85640dc Mon Sep 17 00:00:00 2001
From: Jason Lee <huacnlee@gmail.com>
Date: Mon, 29 Sep 2025 17:35:58 +0800
Subject: [PATCH] editor: Input enter to get next indent level performance.
 (#1304)

Now we can handle about 1M lines.

https://github.com/user-attachments/assets/cb55cd18-6755-40cd-a5b0-3d0f865d12e1
---
 crates/ui/src/input/state.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/ui/src/input/state.rs b/crates/ui/src/input/state.rs
index 02d9f682..b4de4c92 100644
--- a/crates/ui/src/input/state.rs
+++ b/crates/ui/src/input/state.rs
@@ -1206,7 +1206,7 @@ impl InputState {
         let mut next_indent = String::new();
         let current_line_start_pos = self.start_of_line();
         let next_line_start_pos = self.end_of_line();
-        for c in self.text.chars().skip(current_line_start_pos) {
+        for c in self.text.slice(current_line_start_pos..).chars() {
             if !c.is_whitespace() {
                 break;
             }
@@ -1216,7 +1216,7 @@ impl InputState {
             current_indent.push(c);
         }
 
-        for c in self.text.chars().skip(next_line_start_pos) {
+        for c in self.text.slice(next_line_start_pos..).chars() {
             if !c.is_whitespace() {
                 break;
             }