add status bar

2025-06-30 17:50:53 -06:00
parent 0ad706dfc9
commit 7be20e9469
5 changed files with 101 additions and 110 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -39,6 +39,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"

+[[package]]
+name = "arrform"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7cf566ecc5c9d82b973e81d30babf6583c9b497f86295c952d538c3254ef4e6"
+
 [[package]]
 name = "ascii-canvas"
 version = "3.0.0"
@@ -805,6 +811,27 @@ dependencies = [
 "embedded-io",
 ]

+[[package]]
+name = "embedded-layout"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a90553247f2b05c59ac7894ea13d830636c2b1203fa03bff400eddbd1fa9f52"
+dependencies = [
+ "embedded-graphics",
+ "embedded-layout-macros",
+]
+
+[[package]]
+name = "embedded-layout-macros"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f6e621fe4c7e05b695274b722dc0a60bacd1c8696b58191baa0154713d52400"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "embedded-sdmmc"
 version = "0.8.0"
@@ -1871,7 +1898,10 @@ dependencies = [
 name = "shared"
 version = "0.1.0"
 dependencies = [
+ "arrform",
 "embedded-graphics",
+ "embedded-graphics-core",
+ "embedded-layout",
 ]

 [[package]]
@@ -1886,6 +1916,7 @@ version = "0.1.0"
 dependencies = [
 "embedded-graphics",
 "embedded-graphics-simulator",
+ "embedded-layout",
 "shared",
 ]

--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -4,4 +4,7 @@ version = "0.1.0"
 edition = "2024"

 [dependencies]
+arrform = "0.1.1"
 embedded-graphics = "0.8.1"
+embedded-graphics-core = "0.4.0"
+embedded-layout = "0.4.2"
--- a/shared/src/lib.rs
+++ b/shared/src/lib.rs
@@ -1,106 +1,74 @@
-#![feature(ascii_char)]
+pub mod screen {
+    use arrform::{ArrForm, arrform};
+    use embedded_graphics::{
+        Drawable,
+        draw_target::DrawTarget,
+        mono_font::{MonoTextStyle, ascii::FONT_10X20},
+        pixelcolor::Rgb565,
+        prelude::{Point, RgbColor, Size},
+        primitives::Rectangle,
+        text::Text,
+    };
+    use embedded_layout::{
+        align::{horizontal, vertical},
+        layout::linear::LinearLayout,
+        prelude::*,
+    };

-use embedded_graphics::{
-    mono_font::{
-        MonoFont, MonoTextStyle,
-        ascii::{FONT_6X9, FONT_10X20},
-    },
-    pixelcolor::{BinaryColor, Rgb565},
-    prelude::{Point, WebColors, *},
-    primitives::{Circle, Line, PrimitiveStyle, Rectangle},
-    text::{Alignment, Baseline, Text, TextStyle},
-};
+    pub const SCREEN_WIDTH: usize = 320;
+    pub const SCREEN_HEIGHT: usize = 320;

-pub const SCREEN_WIDTH: usize = 320;
-pub const SCREEN_HEIGHT: usize = 320;
-const SCREEN_ROWS: usize = 15;
-const SCREEN_COLS: usize = 31;
-const FONT: MonoFont = FONT_10X20;
-const COLOR: Rgb565 = Rgb565::CSS_LAWN_GREEN;
+    pub const STATUS_BAR_WIDTH: usize = 320;
+    pub const STATUS_BAR_HEIGHT: usize = 40;

-pub struct Cursor {
-    x: u16,
-    y: u16,
-}
-
-impl Cursor {
-    fn new(x: u16, y: u16) -> Self {
-        Self { x, y }
-    }
-}
-
-pub struct TextBuffer {
-    grid: [[Option<char>; SCREEN_COLS]; SCREEN_ROWS],
-    cursor: Cursor,
-}
-
-impl TextBuffer {
-    pub fn new() -> Self {
-        Self {
-            grid: [[None; SCREEN_COLS]; SCREEN_ROWS],
-            cursor: Cursor { x: 0, y: 0 },
-        }
+    pub struct UI {
+        pub status_bar: StatusBar,
    }

-    /// writes char at cursor
-    pub fn write_char(&mut self, ch: char) {
-        for (i, row) in self.grid.iter_mut().enumerate() {
-            for (j, col) in row.iter_mut().enumerate() {
-                if i as u16 == self.cursor.x && j as u16 == self.cursor.y {
-                    *col = Some(ch)
-                }
+    impl UI {
+        pub fn new() -> Self {
+            Self {
+                status_bar: StatusBar {
+                    battery: 100,
+                    backlight: 100,
+                    volume: 100,
+                },
            }
        }
-    }

-    /// fills text buffer with char
-    pub fn fill(&mut self, ch: char) {
-        for i in 0..SCREEN_ROWS {
-            for j in 0..SCREEN_COLS {
-                self.cursor = Cursor::new(i as u16, j as u16);
-                self.write_char(ch);
-            }
+        pub fn draw_status_bar<D: DrawTarget<Color = Rgb565>>(&mut self, target: &mut D) {
+            let text_style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
+
+            let status_bar = Rectangle::new(
+                Point::new(0, 0),
+                Size::new(STATUS_BAR_WIDTH as u32, STATUS_BAR_HEIGHT as u32),
+            );
+            let _ = LinearLayout::horizontal(
+                Chain::new(Text::new(
+                    arrform!(20, "Bat: {}", self.status_bar.battery).as_str(),
+                    Point::zero(),
+                    text_style,
+                ))
+                .append(Text::new(
+                    arrform!(20, "Lght: {}", self.status_bar.backlight).as_str(),
+                    Point::zero(),
+                    text_style,
+                ))
+                .append(Text::new(
+                    arrform!(20, "Vol: {}", self.status_bar.volume).as_str(),
+                    Point::zero(),
+                    text_style,
+                )),
+            )
+            .arrange()
+            .align_to(&status_bar, horizontal::Center, vertical::Center)
+            .draw(target);
        }
    }

-    pub fn scroll_up(&mut self) {
-        let (top, bottom) = self.grid.split_at_mut(SCREEN_ROWS - 1);
-        for (dest, src) in top.iter_mut().zip(&bottom[1..]) {
-            dest.copy_from_slice(src);
-        }
-
-        self.grid[SCREEN_ROWS - 1].fill(None);
-    }
-
-    pub fn draw<D: DrawTarget<Color = Rgb565>>(&mut self, target: &mut D) {
-        let style = MonoTextStyle::new(&FONT, COLOR);
-
-        let char_width = FONT.character_size.width as i32;
-        let char_height = FONT.character_size.height as i32;
-
-        let matrix_width = SCREEN_COLS as i32 * char_width;
-        let matrix_height = SCREEN_ROWS as i32 * char_height;
-
-        let offset_x = (SCREEN_WIDTH as i32 - matrix_width) / 2;
-        let offset_y = (SCREEN_HEIGHT as i32 - matrix_height) / 2;
-
-        for (i, row) in self.grid.iter().enumerate() {
-            for (j, col) in row[1..].iter().enumerate() {
-                if let Some(ch) = col {
-                    let pos = Point::new(
-                        offset_x + (j as i32) * char_width,
-                        offset_y + (i as i32) * char_height,
-                    );
-
-                    let _ = Text::with_baseline(
-                        ch.as_ascii().unwrap().as_str(),
-                        pos,
-                        style,
-                        Baseline::Top,
-                    )
-                    .draw(target);
-                }
-            }
-        }
+    pub struct StatusBar {
+        pub battery: u8,
+        pub backlight: u8,
+        pub volume: u8,
    }
 }
--- a/simulator/Cargo.toml
+++ b/simulator/Cargo.toml
@@ -6,4 +6,5 @@ edition = "2024"
 [dependencies]
 embedded-graphics = "0.8.1"
 embedded-graphics-simulator = "0.7.0"
+embedded-layout = "0.4.2"
 shared = { path = "../shared" }
--- a/simulator/src/main.rs
+++ b/simulator/src/main.rs
@@ -1,29 +1,17 @@
-#![feature(ascii_char)]
-
-use embedded_graphics::{
-    geometry::Size,
-    mono_font::{
-        MonoFont, MonoTextStyle,
-        ascii::{FONT_6X9, FONT_10X20},
-    },
-    pixelcolor::{BinaryColor, Rgb565},
-    prelude::{Point, WebColors, *},
-    primitives::{Circle, Line, PrimitiveStyle, Rectangle},
-    text::{Alignment, Baseline, Text, TextStyle},
-};
+use embedded_graphics::{pixelcolor::Rgb565, prelude::Size};
 use embedded_graphics_simulator::{
    BinaryColorTheme, OutputSettingsBuilder, SimulatorDisplay, Window,
 };

-use shared::{SCREEN_HEIGHT, SCREEN_WIDTH, TextBuffer};
+use shared::screen::{SCREEN_HEIGHT, SCREEN_WIDTH, UI};

 fn main() -> Result<(), core::convert::Infallible> {
    let mut display =
        SimulatorDisplay::<Rgb565>::new(Size::new(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32));

-    let mut textbuffer = TextBuffer::new();
-    textbuffer.fill('A');
-    textbuffer.draw(&mut display);
+    let mut ui = UI::new();
+
+    ui.draw_status_bar(&mut display);

    let output_settings = OutputSettingsBuilder::new().build();
    Window::new("Hello World", &output_settings).show_static(&display);