From a1263830bbefb69cab87810682aeba4ec0c0499b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E1=B4=80=E1=B4=8D=E1=B4=9B=E1=B4=8F=E1=B4=80=E1=B4=87?=
 =?UTF-8?q?=CA=80?= <amtoaer@gmail.com>
Date: Wed, 14 Jan 2026 15:00:30 +0800
Subject: [PATCH] terminal: Fix last character of IME marked text not being
 deleted (#46224)

---
 crates/terminal_view/src/terminal_element.rs |  4 ++--
 crates/terminal_view/src/terminal_view.rs    | 18 ++++++------------
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/crates/terminal_view/src/terminal_element.rs b/crates/terminal_view/src/terminal_element.rs
index fc1c63879cc4bebb476daff2e54a2cb48305f5ad..4608708fb1d08ff6201b330d385f0b5fc1df1494 100644
--- a/crates/terminal_view/src/terminal_element.rs
+++ b/crates/terminal_view/src/terminal_element.rs
@@ -1488,12 +1488,12 @@ impl InputHandler for TerminalInputHandler {
         &mut self,
         _range_utf16: Option<std::ops::Range<usize>>,
         new_text: &str,
-        new_marked_range: Option<std::ops::Range<usize>>,
+        _new_marked_range: Option<std::ops::Range<usize>>,
         _window: &mut Window,
         cx: &mut App,
     ) {
         self.terminal_view.update(cx, |view, view_cx| {
-            view.set_marked_text(new_text.to_string(), new_marked_range, view_cx);
+            view.set_marked_text(new_text.to_string(), view_cx);
         });
     }
 
diff --git a/crates/terminal_view/src/terminal_view.rs b/crates/terminal_view/src/terminal_view.rs
index 82203a5b8ee0994885013dba0c58741f32c780b3..21c5a23c7fec324ed273611a24df7a901d85a9f4 100644
--- a/crates/terminal_view/src/terminal_view.rs
+++ b/crates/terminal_view/src/terminal_view.rs
@@ -62,7 +62,6 @@ use std::{
 
 struct ImeState {
     marked_text: String,
-    marked_range_utf16: Option<Range<usize>>,
 }
 
 const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
@@ -327,16 +326,11 @@ impl TerminalView {
     }
 
     /// Sets the marked (pre-edit) text from the IME.
-    pub(crate) fn set_marked_text(
-        &mut self,
-        text: String,
-        range: Option<Range<usize>>,
-        cx: &mut Context<Self>,
-    ) {
-        self.ime_state = Some(ImeState {
-            marked_text: text,
-            marked_range_utf16: range,
-        });
+    pub(crate) fn set_marked_text(&mut self, text: String, cx: &mut Context<Self>) {
+        if text.is_empty() {
+            return self.clear_marked_text(cx);
+        }
+        self.ime_state = Some(ImeState { marked_text: text });
         cx.notify();
     }
 
@@ -344,7 +338,7 @@ impl TerminalView {
     pub(crate) fn marked_text_range(&self) -> Option<Range<usize>> {
         self.ime_state
             .as_ref()
-            .and_then(|state| state.marked_range_utf16.clone())
+            .map(|state| 0..state.marked_text.encode_utf16().count())
     }
 
     /// Clears the marked (pre-edit) text state.