From 56a9856796fea557f722e5b1cd40539c10f235f2 Mon Sep 17 00:00:00 2001
From: ClementTsang <cjhtsang@uwaterloo.ca>
Date: Fri, 24 Dec 2021 16:52:12 -0500
Subject: [PATCH] Quit functionality

---
 src/app.rs           | 26 ++++++++++++++++++++++++--
 src/tuine/runtime.rs |  3 +++
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/app.rs b/src/app.rs
index 8ec79085..ab328452 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -203,6 +203,10 @@ impl AppState {
             // TODO: Redraw
         }
     }
+
+    fn quit(&mut self) {
+        self.terminator.store(true, SeqCst);
+    }
 }
 
 impl Application for AppState {
@@ -264,9 +268,27 @@ impl Application for AppState {
         &mut self, event: crate::tuine::Event, _messages: &mut Vec<Self::Message>,
     ) {
         use crate::tuine::Event;
+        use crossterm::event::{KeyCode, KeyModifiers};
+
         match event {
-            Event::Keyboard(_) => {}
-            Event::Mouse(_) => {}
+            Event::Keyboard(event) => {
+                if event.modifiers.is_empty() {
+                    match event.code {
+                        KeyCode::Char('q') | KeyCode::Char('Q') => {
+                            self.quit();
+                        }
+                        _ => {}
+                    }
+                } else if let KeyModifiers::CONTROL = event.modifiers {
+                    match event.code {
+                        KeyCode::Char('c') | KeyCode::Char('C') => {
+                            self.quit();
+                        }
+                        _ => {}
+                    }
+                }
+            }
+            Event::Mouse(event) => {}
         }
     }
 }
diff --git a/src/tuine/runtime.rs b/src/tuine/runtime.rs
index 452f8adc..6d74051c 100644
--- a/src/tuine/runtime.rs
+++ b/src/tuine/runtime.rs
@@ -73,6 +73,7 @@ where
     Ok(())
 }
 
+/// Handles a [`Event`].
 fn on_event<A>(
     application: &mut A, user_interface: &mut Element<'_, A::Message>, app_data: &mut AppData,
     layout: &mut LayoutNode, event: Event,
@@ -98,6 +99,7 @@ fn on_event<A>(
     }
 }
 
+/// Creates a new [`Element`] representing the root of the user interface.
 fn new_user_interface<A>(
     application: &mut A, app_data: &mut AppData,
 ) -> Element<'static, A::Message>
@@ -108,6 +110,7 @@ where
     application.view(&mut ctx)
 }
 
+/// Updates the layout, and draws the given user interface.
 fn draw<M, B>(
     user_interface: &mut Element<'_, M>, terminal: &mut Terminal<B>, app_data: &mut AppData,
     layout: &mut LayoutNode,