From 66b2f0793f236dccd3269ae1c3cbfe2293f7fb3d Mon Sep 17 00:00:00 2001
From: nc <charles.saternos@gmail.com>
Date: Mon, 20 Jul 2020 18:30:32 -0400
Subject: Add RwLock around messages. Catch SIGINT and print that :q is the way
 to quit.

Note that this doesn't actually capture Ctrl-C. I'm not sure how it works
but termion somehow swollows Ctrl-C so and circumvents the signal handler...
---
 src/main.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index d96119e..ca1b653 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -50,8 +50,15 @@ fn main() {
             ),
         }
     } else {
-        let mut s = termion().unwrap();
         let app = App::load_state();
+        let m = app.message.clone();
+        unsafe { signal_hook::register(signal_hook::SIGINT, move || {
+            std::fs::File::create("killed").unwrap();
+            m.write().unwrap().set_message("Use the :q command to quit");
+        }) }.unwrap();
+
+        let mut s = termion().unwrap();
+
         let layout = NamedView::new(
             "Frame",
             LinearLayout::vertical().child(NamedView::new("Main", app)),
-- 
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