From f789159a4a5675ffa197b2a528b6ba0aaaa9693a Mon Sep 17 00:00:00 2001
From: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Date: Tue, 19 Apr 2022 21:28:45 +0200
Subject: [PATCH] Don't persist Grid sizes

A) there are potentially a lot of Grids, using up a lot of space
(and therefore serialization time).

B) if the code changes, the grid should also change,
and not remember old sizes
---
 egui/src/grid.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/egui/src/grid.rs b/egui/src/grid.rs
index c903c157..65ff0cf5 100644
--- a/egui/src/grid.rs
+++ b/egui/src/grid.rs
@@ -1,7 +1,6 @@
 use crate::*;
 
 #[derive(Clone, Debug, Default, PartialEq)]
-#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub(crate) struct State {
     col_widths: Vec<f32>,
     row_heights: Vec<f32>,
@@ -9,11 +8,14 @@ pub(crate) struct State {
 
 impl State {
     pub fn load(ctx: &Context, id: Id) -> Option<Self> {
-        ctx.data().get_persisted(id)
+        ctx.data().get_temp(id)
     }
 
     pub fn store(self, ctx: &Context, id: Id) {
-        ctx.data().insert_persisted(id, self);
+        // We don't persist Grids, because
+        // A) there are potentially a lot of them, using up a lot of space (and therefore serialization time)
+        // B) if the code changes, the grid _should_ change, and not remember old sizes
+        ctx.data().insert_temp(id, self);
     }
 
     fn set_min_col_width(&mut self, col: usize, width: f32) {