From 6fe5368ec72986174cc09bc704a4979d642c4267 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 2 Sep 2020 15:50:13 -0400
Subject: [PATCH] Only call windowUpdate when the shown window needs updating

---
 ui.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ui.c b/ui.c
index a898993..9e86000 100644
--- a/ui.c
+++ b/ui.c
@@ -477,7 +477,7 @@ static void windowScroll(struct Window *window, int n) {
 	}
 	if (window->scroll < 0) window->scroll = 0;
 	unmark(window);
-	windowUpdate();
+	if (window == windows.ptrs[windows.show]) windowUpdate();
 }
 
 static void windowScrollPage(struct Window *window, int n) {
@@ -534,7 +534,7 @@ void uiWrite(uint id, enum Heat heat, const time_t *src, const char *str) {
 	}
 	window->unreadHard += lines;
 	if (window->scroll) windowScroll(window, lines);
-	windowUpdate();
+	if (window == windows.ptrs[windows.show]) windowUpdate();
 
 	if (window->mark && heat > Warm) {
 		beep();