use correct width of non-english character in Button

python-and-novella · web-flow · commit 3c7f07170ef6 · 2025-06-11T23:50:20.000+08:00
diff --git 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)
 

Original file line number	Diff line number	Diff line change
`@@ -438,6 +438,8 @@ def get_style() -> str:`
`438`	`438`	`def _get_text_fragments(self) -> StyleAndTextTuples:`
`439`	`439`	`width = self.width - (`
`440`	`440`	`get_cwidth(self.left_symbol) + get_cwidth(self.right_symbol)`
	`441`	`+ ) + (`
	`442`	`+ len(self.text) - get_cwidth(self.text)`
`441`	`443`	`)`
`442`	`444`	`text = (f"{{:^{width}}}").format(self.text)`
`443`	`445`