Outline

pulse-ui/src/lib.rs

@@ -25,6 +25,8 @@ pub trait App {
 
         self.render(get_screen().allocate(&self.layout().await))
             .await;
+
+        crossterm::execute!(std::io::stdout()).unwrap();
     }
 }
 

pulse-ui/src/render.rs

@@ -66,6 +66,12 @@ impl Allocation {
         widget.render(&mut scope);
         scope.draw();
     }
+
+    pub fn draw_frame<W: Widget>(&self, index: usize, widget: W) {
+        let mut scope = RenderScope::new(self.frame_alloc[index]);
+        widget.render(&mut scope);
+        scope.draw();
+    }
 }
 
 impl RenderScope {
@@ -89,5 +95,5 @@ impl RenderScope {
 
 pub fn print_at(x: u16, y: u16, text: &str) {
     crossterm::execute!(stdout(), crossterm::cursor::MoveTo(x, y)).unwrap();
-    println!("{text}");
+    print!("{text}");
 }

pulse-ui/src/widget/mod.rs

@@ -1,3 +1,5 @@
+pub mod outline;
+
 use crate::render::RenderScope;
 
 pub trait Widget {

pulse-ui/src/widget/outline.rs

@@ -0,0 +1,20 @@
+use crate::widget::Widget;
+
+pub struct Outline;
+
+impl Widget for Outline {
+    fn render(&self, scope: &mut crate::render::RenderScope) {
+        scope.draw_text(0, "-".repeat(scope.rect.width as usize));
+
+        scope.draw_text((0, 1), "|\n".repeat(scope.rect.height as usize - 2));
+        scope.draw_text(
+            (scope.rect.width, 1),
+            "|\n".repeat(scope.rect.height as usize - 2),
+        );
+
+        scope.draw_text(
+            (0, scope.rect.height),
+            "-".repeat(scope.rect.width as usize),
+        );
+    }
+}

src/main.rs

@@ -1,10 +1,7 @@
 use std::any::Any;
 
 use pulse_ui::{
-    App,
-    layout::{LayoutItem, layout},
-    state::State,
-    unit::Size,
+    App, layout::{LayoutItem, layout}, state::State, unit::Size, widget::outline::Outline,
 };
 
 pub struct PulseTradeApp {
@@ -27,6 +24,7 @@ impl App for PulseTradeApp {
 
     async fn render(&mut self, layout: pulse_ui::layout::Allocation) {
         layout.draw(1, "Yo");
+        layout.draw_frame(0, Outline);
     }
 }