From f09a6072f8faef782e9bcda57c7eb7d4956a4743 Mon Sep 17 00:00:00 2001
From: unspeaker <hora.nqma@protonmail.com>
Date: Sat, 28 Dec 2024 18:55:58 +0100
Subject: [PATCH] draw x for no sample

---
 crates/tek/src/sampler/sample_viewer.rs | 29 +++++++++++++++----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/crates/tek/src/sampler/sample_viewer.rs b/crates/tek/src/sampler/sample_viewer.rs
index 3dcedb51..00d3e35e 100644
--- a/crates/tek/src/sampler/sample_viewer.rs
+++ b/crates/tek/src/sampler/sample_viewer.rs
@@ -6,16 +6,23 @@ pub struct SampleViewer<'a>(pub Option<&'a Arc<RwLock<Sample>>>);
 render!(<Tui>|self: SampleViewer<'a>|render(|to|{
     let [x, y, width, height] = to.area();
     let area = Rect { x, y, width, height };
-    Canvas::default()
-        .x_bounds([0.0, f64::from(width)])
-        .y_bounds([0.0, f64::from(height)])
-        .paint(|ctx|{
-            ctx.draw(&Points {
-                coords: &[(0., 0.), (1., 2.), (3., 4.)],
-                color:  Color::Rgb(255,0,0)
-            })
-            // TODO
-        })
-        .render(area, &mut to.buffer);
+    let (x_bounds, y_bounds, coords): ([f64;2], [f64;2], &[(f64,f64)]) =
+        if let Some(sample) = self.0 {
+            let sample = sample.read().unwrap();
+            (
+                [sample.start as f64, sample.end as f64],
+                [0 as f64, f32::MAX as f64],
+                &[]
+            )
+        } else {
+            (
+                [0.0, f64::from(width)],
+                [0.0, f64::from(height)],
+                &[(0., 0.), (1., 1.), (2., 2.), (0., 2.), (2., 0.)]
+            )
+        };
+    Canvas::default().x_bounds(x_bounds).y_bounds(y_bounds).paint(|ctx|{
+        ctx.draw(&Points { coords, color: Color::Rgb(255,0,0) })
+    }).render(area, &mut to.buffer);
     Ok(())
 }));