From 504d9c29593b31374d8280871ddac4c880ae4a3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n=20Jim=C3=A9nez?= <hector@hecrj.dev>
Date: Thu, 10 Apr 2025 14:45:35 +0200
Subject: [PATCH] Fix `cells_per_row` calculation in `grid` widget

---
 widget/src/grid.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/widget/src/grid.rs b/widget/src/grid.rs
index 20fd3b6b..e0486856 100644
--- a/widget/src/grid.rs
+++ b/widget/src/grid.rs
@@ -181,8 +181,9 @@ where
         let available = limits.max();
 
         let cells_per_row = match self.columns {
-            Constraint::MaxWidth(pixels) => (available.width
-                / (pixels.0 + self.spacing / 2.0))
+            // width = n * (cell + spacing) - spacing, given n > 0
+            Constraint::MaxWidth(pixels) => ((available.width + self.spacing)
+                / (pixels.0 + self.spacing))
                 .ceil() as usize,
             Constraint::Amount(amount) => amount,
         };