From 83da1df25635c2d1c3e81223247bae0329188cc1 Mon Sep 17 00:00:00 2001
From: Nicolas Peugnet <nicolas@club1.fr>
Date: Tue, 1 Nov 2022 16:02:30 +0100
Subject: [PATCH] Do not recalculate the buffer on new reaction

Only the replacement is needed as the height is already correclty
calculated when drawn.

Fixes #283
---
 ui/room-view.go | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/ui/room-view.go b/ui/room-view.go
index 7fc53f8..f910a6a 100644
--- a/ui/room-view.go
+++ b/ui/room-view.go
@@ -920,11 +920,10 @@ func (view *RoomView) AddReaction(evt *muksevt.Event, key string) {
 		// Message not in view, nothing to do
 		return
 	}
-	recalculate := len(msg.Reactions) == 0
+	heightChanged := len(msg.Reactions) == 0
 	msg.AddReaction(key)
-	if recalculate {
-		// Recalculate height for message
-		msg.CalculateBuffer(msgView.prevPrefs, msgView.prevWidth())
+	if heightChanged {
+		// Replace buffer to update height of message
 		msgView.replaceBuffer(msg, msg)
 	}
 }