From 3c7f07170ef6068402f5a14116f5fe2751eb76d7 Mon Sep 17 00:00:00 2001
From: PythonPan <2292551082@qq.com>
Date: Wed, 11 Jun 2025 23:50:20 +0800
Subject: [PATCH 1/2] use correct width of non-english character in `Button`

---
 src/prompt_toolkit/widgets/base.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/prompt_toolkit/widgets/base.py b/src/prompt_toolkit/widgets/base.py
index e2330e9e1..cd5365278 100644
--- a/src/prompt_toolkit/widgets/base.py
+++ b/src/prompt_toolkit/widgets/base.py
@@ -438,6 +438,8 @@ def get_style() -> str:
     def _get_text_fragments(self) -> StyleAndTextTuples:
         width = self.width - (
             get_cwidth(self.left_symbol) + get_cwidth(self.right_symbol)
+        ) + (
+            len(self.text) - get_cwidth(self.text)
         )
         text = (f"{{:^{width}}}").format(self.text)
 

From 5db92459eeab0639e1ec2cafea542170fdb6b9c6 Mon Sep 17 00:00:00 2001
From: PythonPan <2292551082@qq.com>
Date: Thu, 12 Jun 2025 02:01:16 +0800
Subject: [PATCH 2/2] Avoid the width is negative

---
 src/prompt_toolkit/widgets/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/prompt_toolkit/widgets/base.py b/src/prompt_toolkit/widgets/base.py
index cd5365278..51cfaa27f 100644
--- a/src/prompt_toolkit/widgets/base.py
+++ b/src/prompt_toolkit/widgets/base.py
@@ -441,7 +441,7 @@ def _get_text_fragments(self) -> StyleAndTextTuples:
         ) + (
             len(self.text) - get_cwidth(self.text)
         )
-        text = (f"{{:^{width}}}").format(self.text)
+        text = (f"{{:^{max(0,width)}}}").format(self.text)
 
         def handler(mouse_event: MouseEvent) -> None:
             if (