From cdf3c2fa13a5edc68765238de1d6bac37d557848 Mon Sep 17 00:00:00 2001
From: Gabriele Musco <gabmus@disroot.org>
Date: Wed, 11 Oct 2023 23:56:21 +0200
Subject: [PATCH] feat: implement max scrollback in debug view

---
 src/ui/debug_view.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/ui/debug_view.rs b/src/ui/debug_view.rs
index c99f9fb..b0d4925 100644
--- a/src/ui/debug_view.rs
+++ b/src/ui/debug_view.rs
@@ -48,6 +48,8 @@ pub struct DebugView {
 
 pub struct DebugViewInit {}
 
+const MAX_SCROLLBACK: i32 = 2000;
+
 #[relm4::component(pub)]
 impl SimpleComponent for DebugView {
     type Init = DebugViewInit;
@@ -209,6 +211,12 @@ impl SimpleComponent for DebugView {
                         textview.scroll_mark_onscreen(&end_mark);
                     });
                 }
+                while self.textbuf.line_count() > MAX_SCROLLBACK {
+                    let mut start = self.textbuf.start_iter();
+                    let mut end = self.textbuf.start_iter();
+                    end.forward_line();
+                    self.textbuf.delete(&mut start, &mut end);
+                }
             }
             Self::Input::ClearLog => {
                 self.textbuf.set_text("");