From 98d25324fd8cb4c6710b1a57cd661bd68cae5ba9 Mon Sep 17 00:00:00 2001
From: AnotherTest <ali.mpfard@gmail.com>
Date: Wed, 13 May 2020 14:22:47 +0430
Subject: [PATCH] LibLine: Add a hook to run when an interrupt is handled

We do not want to clog up signal handlers by putting possibly complex
logic inside them, so allow the editor to handle that.
---
 Libraries/LibLine/Editor.cpp | 4 ++++
 Libraries/LibLine/Editor.h   | 1 +
 2 files changed, 5 insertions(+)

diff --git a/Libraries/LibLine/Editor.cpp b/Libraries/LibLine/Editor.cpp
index a38fb2d5f0..b1ed9dcdb4 100644
--- a/Libraries/LibLine/Editor.cpp
+++ b/Libraries/LibLine/Editor.cpp
@@ -171,6 +171,10 @@ String Editor::get_line(const String& prompt)
 
                 m_buffer.clear();
                 m_cursor = 0;
+
+                if (on_interrupt_handled)
+                    on_interrupt_handled();
+
                 m_refresh_needed = true;
                 continue;
             }
diff --git a/Libraries/LibLine/Editor.h b/Libraries/LibLine/Editor.h
index 6ac01bb9e5..384966e0bd 100644
--- a/Libraries/LibLine/Editor.h
+++ b/Libraries/LibLine/Editor.h
@@ -134,6 +134,7 @@ public:
 
     Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_first_token;
     Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_other_token;
+    Function<void()> on_interrupt_handled;
     Function<void(Editor&)> on_display_refresh;
 
     // FIXME: we will have to kindly ask our instantiators to set our signal handlers