beautify scan menu

src/navigation/navigation.rs

@@ -1,3 +1,4 @@
+use crate::navigation::scan_menu::ScanMenu;
 use crate::navigation::state::{Menu, NavigationState};
 use crate::{display::primary_lcd::PrimaryLcdDisplay, navigation::inputs::Inputs};
 
@@ -28,6 +29,7 @@ pub trait Navigable {
 #[embassy_executor::task]
 pub async fn run(mut inputs: Inputs, display: &'static mut PrimaryLcdDisplay<'static>) {
     let mut state = NavigationState::default();
+    // state.current_screen = Menu::Scan(ScanMenu { progress: (100 * 30 / 255) as u8 });
 
     log::info!("starting navigation");
     loop {

src/navigation/scan_menu.rs

@@ -4,14 +4,16 @@ use alloc::format;
 use embedded_graphics::Drawable;
 use embedded_graphics::geometry::AngleUnit as _;
 use embedded_graphics::geometry::Dimensions as _;
+use embedded_graphics::geometry::Size;
 use embedded_graphics::mono_font::MonoTextStyle;
-use embedded_graphics::mono_font::ascii::FONT_6X10;
+use embedded_graphics::mono_font::ascii::FONT_10X20;
 use embedded_graphics::pixelcolor::Rgb565;
 use embedded_graphics::prelude::Point;
 use embedded_graphics::prelude::RgbColor;
 use embedded_graphics::primitives::Arc;
 use embedded_graphics::primitives::Primitive as _;
 use embedded_graphics::primitives::PrimitiveStyleBuilder;
+use embedded_graphics::primitives::Rectangle;
 use embedded_graphics::primitives::StrokeAlignment;
 use embedded_graphics::text::Alignment;
 use embedded_graphics::text::Baseline;
@@ -19,11 +21,12 @@ use embedded_graphics::text::Text;
 use embedded_graphics::text::TextStyleBuilder;
 use embedded_graphics_core::draw_target::DrawTarget;
 
+use super::navigation::Action;
 use super::state::Menu;
 
 #[derive(Debug, Clone)]
 pub struct ScanMenu {
-    progress: u8, // 0..255
+    pub progress: u8, // 0..255
 }
 
 impl super::navigation::Navigable for ScanMenu {
@@ -31,9 +34,12 @@ impl super::navigation::Navigable for ScanMenu {
         &self,
         display: &mut PrimaryLcdDisplay<'static>,
     ) -> impl core::future::Future<Output = ()> + Send {
-        let style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
+        let style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
+        display.clear(Rgb565::BLACK).unwrap();
 
-        Text::new("Scanning...", Point::new(20, 240), style)
+        let display_area = display.bounding_box();
+
+        Text::new("Scanning...", Point::new(20, 30), style)
             .draw(display)
             .unwrap();
 
@@ -43,40 +49,49 @@ impl super::navigation::Navigable for ScanMenu {
             .stroke_width(5)
             .stroke_alignment(StrokeAlignment::Inside)
             .build();
-        let character_style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
+        let character_style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
         let text_style = TextStyleBuilder::new()
             .baseline(Baseline::Middle)
             .alignment(Alignment::Center)
             .build();
 
-        display.clear(Rgb565::BLACK).unwrap();
-
-        let sweep = self.progress as f32 * 360.0 / 100.0;
+        let sweep = self.progress as f32 * 360.0 / 255.0;
 
+        let width = display_area.size.width;
+        let bounding_box =
+            Rectangle::with_center(display_area.center(), Size::new_equal(4 * width / 5));
+        // log::info!("bounding_box: {:?}", bounding_box);
+        // log::info!("display_area: {:?}", display_area);
         // Draw an arc with a 5px wide stroke.
-        Arc::new(Point::new(2, 2), 64 - 4, 90.0.deg(), sweep.deg())
+        Arc::new(
+            bounding_box.top_left,
+            bounding_box.size.width,
+            90.0.deg(),
+            sweep.deg(),
+        )
         .into_styled(arc_stroke)
         .draw(display)
         .unwrap();
 
         // Draw centered text.
-        let text = format!("{}%", self.progress);
-        Text::with_text_style(
-            &text,
-            display.bounding_box().center(),
-            character_style,
-            text_style,
-        )
+        let text = format!("{:.2}%", 100. * (self.progress as f32) / 255.);
+        Text::with_text_style(&text, display_area.center(), character_style, text_style)
             .draw(display)
             .unwrap();
 
         core::future::ready(())
     }
 
-    fn handle_input(
-        &self,
-        _input: super::navigation::Action,
-    ) -> impl core::future::Future<Output = Menu> + Send {
-        core::future::ready(Menu::Scan(self.clone()))
+    fn handle_input(&self, input: Action) -> impl core::future::Future<Output = Menu> + Send {
+        async move {
+            let new_progress = match input {
+                Action::Up => self.progress.wrapping_add(5),
+                _ => self.progress,
+            };
+
+            Menu::Scan(ScanMenu {
+                progress: new_progress,
+            })
+        }
     }
 }