Set up keyboard handling

cyberpunk-splash/src/main.rs

@@ -2,8 +2,8 @@ use cairo::{
     Context, FontSlant, FontWeight, Format, ImageSurface, LineCap, LinearGradient, Pattern,
     TextExtents,
 };
-use glib::Object;
-use gtk::{prelude::*, subclass::prelude::*};
+use glib::{GString, Object};
+use gtk::{gdk::Key, prelude::*, subclass::prelude::*, EventControllerKey};
 use std::{
     cell::RefCell,
     rc::Rc,
@@ -514,12 +514,28 @@ fn main() {
         let splash = Splash::new("GTK Kifu".to_owned(), countdown.clone());
 
         window.set_child(Some(&splash));
-        // window.fullscreen();
 
         window.connect_maximized_notify(|window| {
             window.fullscreen();
         });
 
+        let keyboard_events = EventControllerKey::new();
+        keyboard_events.connect_key_released({
+            let window = window.clone();
+            move |_, key, _, _| {
+                let name = key
+                    .name()
+                    .map(|s| s.as_str().to_owned())
+                    .unwrap_or("".to_owned());
+                match name.as_ref() {
+                    "Escape" => window.unfullscreen(),
+                    "space" => println!("space pressed"),
+                    _ => {}
+                }
+            }
+        });
+        window.add_controller(keyboard_events);
+
         gtk_rx.attach(None, move |event| {
             match event {
                 Event::Frames(frames) => splash.tick(frames),