3 files changed, 52 insertions, 0 deletions
diff --git a/src/components/global_keys.rs b/src/components/global_keys.rs
new file mode 100644
index 0000000..e99e2e0
--- /dev/null
+++ b/src/components/global_keys.rs
@@ -0,0 +1,46 @@
+use crossterm::event::{KeyCode, KeyEvent, KeyEventKind};
+use ratatui::prelude::*;
+use ratatui::widgets::*;
+
+use crate::app_action::AppAction;
+use crate::component::Component;
+
+#[derive(Default, Clone, Copy)]
+pub struct GlobalKeys {
+    should_show: bool,
+}
+
+impl Component for GlobalKeys {
+    fn handle_key_event(
+        &mut self,
+        key: KeyEvent,
+    ) -> eyre::Result<Option<AppAction>> {
+        if key.kind == KeyEventKind::Press {
+            return match key.code {
+                KeyCode::Char('q') => Ok(Some(AppAction::Quit)),
+                KeyCode::Char('?') => {
+                    self.should_show = !self.should_show;
+                    Ok(None)
+                }
+                _ => Ok(None),
+            };
+        }
+
+        Ok(None)
+    }
+
+    fn render(&mut self, frame: &mut Frame, rect: Rect) -> eyre::Result<()> {
+        let horizontal_center = Layout::default()
+            .direction(Direction::Horizontal);
+
+        let block = Block::default()
+            .title("Keyboard shortcuts")
+            .borders(Borders::ALL);
+
+        if self.should_show {
+            frame.render_widget(block, rect);
+        }
+
+        Ok(())
+    }
+}
diff --git a/src/components/hello_world.rs b/src/components/hello_world.rs
index 22c966c..afb9d47 100644
--- a/src/components/hello_world.rs
+++ b/src/components/hello_world.rs
@@ -9,6 +9,11 @@ pub struct HelloWorld {
 }
 
 impl Component for HelloWorld {
+    fn init(&mut self) -> eyre::Result<()> {
+        self.text = "Hello, world!".to_string();
+        Ok(())
+    }
+
     fn render(&mut self, frame: &mut Frame, rect: Rect) -> eyre::Result<()> {
         frame.render_widget(Paragraph::new(self.text.clone()), rect);
 
diff --git a/src/components/mod.rs b/src/components/mod.rs
index c6dbc18..78abbca 100644
--- a/src/components/mod.rs
+++ b/src/components/mod.rs
@@ -1 +1,2 @@
 pub mod hello_world;
+pub mod global_keys;