5 files changed, 32 insertions, 0 deletions
diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index 0ab6209e..bd488d2f 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -29,3 +29,4 @@ futures = { version = "0.3.5", default-features = false, features = ["std"] }
 smol = "0.1.10"
 num_cpus = "1.13.0"
 piper = "0.1.2"
+tui = { version = "0.9.5", default-features = false }
diff --git a/helix-term/src/component.rs b/helix-term/src/component.rs
new file mode 100644
index 00000000..8ec5663a
--- /dev/null
+++ b/helix-term/src/component.rs
@@ -0,0 +1,18 @@
+
+// IDEA: render to a cache buffer, then if not changed, copy the buf into the parent
+pub trait Component {
+    /// Process input events, return true if handled.
+    fn process_event(&mut self, event: crossterm::event::Event, args) -> bool;
+    /// Should redraw? Useful for saving redraw cycles if we know component didn't change.
+    fn should_update(&self) -> bool { true }
+
+    fn render(&mut self, surface: &mut Surface, args: ());
+}
+
+// HStack / VStack 
+// focus by component id: each View/Editor gets it's own incremental id at create
+// Component: View(Arc<State>) -> multiple views can point to same state
+// id 0 = prompt?
+// when entering to prompt, it needs to direct Commands to last focus window
+// -> prompt.trigger(focus_id), on_leave -> focus(focus_id)
+// popups on another layer
diff --git a/helix-term/src/editor.rs b/helix-term/src/editor.rs
index 54c70e1b..111c3273 100644
--- a/helix-term/src/editor.rs
+++ b/helix-term/src/editor.rs
@@ -278,4 +278,11 @@ impl Editor {
         println!("The text you entered: {}", typed_text);
         Ok(())
     }
+
+    pub fn render(&self) {
+        // create a new window sized surface
+        // paint all components
+        // diff vs last frame, swap
+        // paint diff
+    }
 }
diff --git a/helix-term/src/line.rs b/helix-term/src/line.rs
index 58d4c9d8..7cbfab61 100644
--- a/helix-term/src/line.rs
+++ b/helix-term/src/line.rs
@@ -11,6 +11,8 @@ use futures::{future::FutureExt, select, StreamExt};
 use smol::Timer;
 // use futures_timer::Delay;
 
+use tui::{backend::CrosstermBackend, Terminal};
+
 use crossterm::{
     cursor::position,
     event::{DisableMouseCapture, EnableMouseCapture, Event, EventStream, KeyCode},
@@ -64,6 +66,9 @@ fn main() -> Result<()> {
     let mut stdout = stdout();
     execute!(stdout, EnableMouseCapture)?;
 
+    let backend = CrosstermBackend::new(stdout);
+    let mut terminal = Terminal::new(backend)?;
+
     use std::thread;
 
     // Same number of threads as there are CPU cores.
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index aaa83a86..e21fc7d7 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -1,4 +1,5 @@
 // mod editor;
+mod component;
 
 // use editor::Editor;