fix(float): win_get_bordertext_col returning negative column number (#25752)

Problem:
  `win_get_bordertext_col` returns column < 1 for right or center
  aligned text, if its length is more than window width.

Solution:
  Return max(resulting_column, 1)

1 files changed, 2 insertions, 2 deletions

diff --git a/src/nvim/drawscreen.c b/src/nvim/drawscreen.c
index ca70c1f4ef..adbe0f473f 100644
--- a/src/nvim/drawscreen.c
+++ b/src/nvim/drawscreen.c
@@ -735,9 +735,9 @@ int win_get_bordertext_col(int total_col, int text_width, AlignTextPos align)
   case kAlignLeft:
     return 1;
   case kAlignCenter:
-    return (total_col - text_width) / 2 + 1;
+    return MAX((total_col - text_width) / 2 + 1, 1);
   case kAlignRight:
-    return total_col - text_width + 1;
+    return MAX(total_col - text_width + 1, 1);
   }
   UNREACHABLE;
 }