feat(examples): add colorized dashboard to demo
Revamp the console monitor UI in examples/demo_app.rs with ANSI-colored sections and improved layout for readability. - Add color palette, dashboard width, and styling helpers - Introduce banner, section, and stat line builders - Colorize prompt, status lines, and organ snapshots - Display validity tags for measurements and styled warnings/errors - Restructure output into Simulation, Circulation, Heart, Organ Snapshots, and Status sections - Cache TTY color detection via OnceLock and respect NO_COLOR No API changes; improvements are limited to the example app.
This commit is contained in:
+255
-64
@@ -4,6 +4,7 @@ use medicallib_rust::{
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};
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use std::fmt::Write as _;
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use std::io::{self, Write};
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use std::sync::OnceLock;
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const EXTRA_ORGANS: [OrganType; 11] = [
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OrganType::Brain,
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@@ -44,6 +45,19 @@ const VITAL_SIGNS: [VitalSign; 6] = [
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VitalSign::SpO2,
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];
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const DASHBOARD_WIDTH: usize = 88;
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const COLOR_RESET: &str = "\x1b[0m";
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const COLOR_TITLE: &str = "\x1b[38;5;111m";
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const COLOR_SECTION: &str = "\x1b[38;5;81m";
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const COLOR_LABEL: &str = "\x1b[38;5;245m";
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const COLOR_MUTED: &str = "\x1b[38;5;240m";
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const COLOR_ACCENT: &str = "\x1b[38;5;153m";
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const COLOR_SUCCESS: &str = "\x1b[38;5;114m";
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const COLOR_WARNING: &str = "\x1b[38;5;221m";
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const COLOR_ERROR: &str = "\x1b[38;5;203m";
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const COLOR_PROMPT: &str = "\x1b[38;5;117m";
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const HELP_TEXT: &str = r#"
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Available commands:
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help Show this help text
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@@ -117,7 +131,7 @@ fn main() -> MedicalResult<()> {
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loop {
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render_dashboard(&state, &status);
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print!("monitor> ");
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print!("{}", prompt_text());
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io::stdout().flush().expect("flush stdout");
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input.clear();
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@@ -385,92 +399,164 @@ fn handle_set_command<'a>(
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fn render_dashboard(state: &MonitorState, status: &str) {
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clear_screen();
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println!("=== MedicalLib Console Monitor ===");
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println!(
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"Simulation time: {:>7.2} s | Step: {:>4.2} s | Organs: {}",
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state.sim_time,
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state.tick_seconds,
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MONITORED_ORGANS.len()
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);
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let vitals = VITAL_SIGNS
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.iter()
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.map(|v| format!("{:?}", v))
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.collect::<Vec<_>>()
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.join(", ");
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println!("Tracked vital signs: {vitals}");
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println!("{}", banner_line("MedicalLib Console Monitor"));
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let overview_line = [
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accent(format!("t = {:.2} s", state.sim_time)),
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muted(" | "),
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accent(format!("dt = {:.2} s", state.tick_seconds)),
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muted(" | "),
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accent(format!("Organs {}", MONITORED_ORGANS.len())),
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muted(" | "),
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accent(format!("Vitals {}", VITAL_SIGNS.len())),
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]
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.join("");
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println!(" {overview_line}");
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println!();
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println!("{}", section_line("Simulation"));
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println!(
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"{}",
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stat_line(
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"Simulation time",
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accent(format!("{:.2} s", state.sim_time))
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)
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);
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println!(
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"{}",
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stat_line("Step size", accent(format!("{:.2} s", state.tick_seconds)))
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);
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println!(
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"{}",
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stat_line(
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"Tracked vitals",
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accent(
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VITAL_SIGNS
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.iter()
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.map(|v| format!("{:?}", v))
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.collect::<Vec<_>>()
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.join(", ")
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)
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)
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);
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println!();
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println!("{}", section_line("Circulation"));
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let bp = state.patient.blood_pressure;
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println!(
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"Blood pressure : {} (valid: {})",
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bp,
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yes_no(bp.validate())
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"{}",
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stat_line(
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"Blood pressure",
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format!("{} {}", accent(format!("{bp}")), validity_tag(bp.validate()))
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)
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);
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let blood = &state.patient.blood;
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println!(
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"Blood chemistry : Hgb={:.1} g/dL | Hct={:.1}% | SpO2={:.0}% | Glucose={:.1} mg/dL (valid: {})",
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blood.hemoglobin_g_dl,
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blood.hematocrit_pct,
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blood.spo2_pct,
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blood.glucose_mg_dl,
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yes_no(blood.validate())
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);
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let mut chemistry_parts = vec![
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accent(format!("Hgb {:.1} g/dL", blood.hemoglobin_g_dl)),
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muted(" | "),
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accent(format!("Hct {:.1}%", blood.hematocrit_pct)),
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muted(" | "),
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accent(format!("SpO2 {:.0}%", blood.spo2_pct)),
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muted(" | "),
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accent(format!("Glucose {:.1} mg/dL", blood.glucose_mg_dl)),
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muted(" "),
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];
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chemistry_parts.push(validity_tag(blood.validate()));
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let chemistry = chemistry_parts.join("");
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println!("{}", stat_line("Blood chemistry", chemistry));
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let (weight, height) = state.bmi_inputs;
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let bmi_line = match bmi_measurement(weight, height) {
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Ok(measurement) => {
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let class = classify_bmi(measurement.value);
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format!(
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"Tracked BMI : {:.1} kg / {:.2} m -> {:.2} {} ({:?})",
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weight, height, measurement.value, measurement.unit, class
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)
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vec![
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accent(format!("{:.1} kg", weight)),
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muted(" / "),
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accent(format!("{:.2} m", height)),
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muted(" -> "),
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accent(format!("{:.2} {}", measurement.value, measurement.unit)),
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muted(" ("),
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accent(format!("{:?}", class)),
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muted(")"),
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]
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.join("")
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}
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Err(err) => format!(
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"Tracked BMI : inputs {:.1} kg / {:.2} m -> error ({err})",
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weight, height
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Err(err) => colorize(
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COLOR_ERROR,
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format!("{:.1} kg / {:.2} m -> error ({err})", weight, height),
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),
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};
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println!("{bmi_line}");
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println!("{}", stat_line("BMI inputs", bmi_line));
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println!();
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println!("{}", section_line("Heart"));
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if let Some(heart) = state.patient.find_organ_typed::<Heart>() {
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let rate = Measurement::new(heart.heart_rate_bpm, "bpm");
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println!(
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"Heart : HR={:.0} {} | Rhythm={:?} | CO={:.1} L/min | Tone={:+.2} | SVR={:.1}",
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rate.value,
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rate.unit,
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heart.rhythm_state,
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heart.cardiac_output_l_min,
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heart.autonomic_tone,
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heart.systemic_vascular_resistance
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);
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println!(
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" Arrhythmia forced={} | EF={:.0}% | MAP~{:.0} mmHg",
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yes_no(heart.arrhythmia),
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heart.ejection_fraction * 100.0,
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mean_arterial_pressure(bp)
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);
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let heart_rate = vec![
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accent(format!("{:.0} bpm", heart.heart_rate_bpm)),
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muted(" | rhythm "),
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accent(format!("{:?}", heart.rhythm_state)),
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]
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.join("");
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println!("{}", stat_line("Heart rate", heart_rate));
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let cardiac_output = vec![
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accent(format!("{:.1} L/min", heart.cardiac_output_l_min)),
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muted(" | tone "),
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accent(format!("{:+.2}", heart.autonomic_tone)),
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muted(" | SVR "),
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accent(format!("{:.1}", heart.systemic_vascular_resistance)),
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]
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.join("");
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println!("{}", stat_line("Output", cardiac_output));
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let arrhythmia_tag = if heart.arrhythmia {
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colorize(COLOR_WARNING, "forced arrhythmia".to_string())
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} else {
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colorize(COLOR_SUCCESS, "intrinsic rhythm".to_string())
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};
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let arrhythmia_line = vec![
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arrhythmia_tag,
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muted(" | EF "),
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accent(format!("{:.0}%", heart.ejection_fraction * 100.0)),
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muted(" | MAP ~"),
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accent(format!("{:.0} mmHg", mean_arterial_pressure(bp))),
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]
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.join("");
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println!("{}", stat_line("Arrhythmia", arrhythmia_line));
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} else {
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println!("Heart : <not attached>");
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}
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println!();
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println!("Organ snapshots:");
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for organ in MONITORED_ORGANS {
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println!(
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" {:<12} {}",
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organ_label(organ),
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organ_snapshot(&state.patient, organ)
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"{}",
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stat_line("Heart", colorize(COLOR_WARNING, "<not attached>".to_string()))
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);
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}
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println!();
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println!("Status:");
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for line in status.lines() {
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println!(" {line}");
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println!("{}", section_line("Organ Snapshots"));
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for organ in MONITORED_ORGANS {
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println!("{}", organ_line(&state.patient, organ));
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}
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println!();
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println!("(press Enter without typing to step once; type 'help' for commands)");
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println!("{}", section_line("Status"));
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let mut printed_status = false;
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for line in status.lines() {
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let styled = status_line(line);
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if styled.is_empty() {
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continue;
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}
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println!(" {}", styled);
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printed_status = true;
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}
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if !printed_status {
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println!(" {}", muted("No recent actions."));
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}
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println!();
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println!(
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" {}",
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muted("Press Enter to advance once or type 'help' for commands.")
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);
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}
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fn organ_snapshot(patient: &Patient, kind: OrganType) -> String {
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@@ -534,3 +620,108 @@ fn clear_screen() {
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print!("\x1b[2J\x1b[H");
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let _ = io::stdout().flush();
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}
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fn prompt_text() -> String {
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if colors_enabled() {
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format!("{} ", colorize(COLOR_PROMPT, "monitor>"))
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} else {
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String::from("monitor> ")
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}
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}
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fn banner_line(title: &str) -> String {
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let width = DASHBOARD_WIDTH.max(title.len() + 4);
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colorize(
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COLOR_TITLE,
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format!("{:=^width$}", format!(" {title} "), width = width),
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)
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}
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fn section_line(title: &str) -> String {
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colorize(
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COLOR_SECTION,
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format!("{:-^width$}", format!(" {title} "), width = DASHBOARD_WIDTH),
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)
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}
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fn stat_line(label: &str, value: impl Into<String>) -> String {
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let label_cell = colorize(COLOR_LABEL, format!("{label:<18}:"));
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format!(" {label_cell} {}", value.into())
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}
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fn accent(text: impl Into<String>) -> String {
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colorize(COLOR_ACCENT, text)
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}
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fn muted(text: impl Into<String>) -> String {
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colorize(COLOR_MUTED, text)
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}
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fn validity_tag(ok: bool) -> String {
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if ok {
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colorize(COLOR_SUCCESS, "[OK]".to_string())
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} else {
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colorize(COLOR_ERROR, "[CHECK]".to_string())
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}
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}
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fn organ_line(patient: &Patient, kind: OrganType) -> String {
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let label = colorize(COLOR_ACCENT, format!("{:<12}:", organ_label(kind)));
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let summary = organ_snapshot(patient, kind);
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let styled_summary = style_snapshot(&summary);
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format!(" {label} {styled_summary}")
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}
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fn style_snapshot(text: &str) -> String {
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let lowered = text.to_ascii_lowercase();
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if lowered.contains("error") {
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colorize(COLOR_ERROR, text.to_string())
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} else if lowered.starts_with("n/a") {
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colorize(COLOR_WARNING, text.to_string())
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} else if lowered.contains("stable") || lowered.contains("normal") {
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colorize(COLOR_SUCCESS, text.to_string())
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} else {
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text.to_string()
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}
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}
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fn status_line(line: &str) -> String {
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let trimmed = line.trim();
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if trimmed.is_empty() {
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return String::new();
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}
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let lowered = trimmed.to_ascii_lowercase();
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if lowered.contains("error") {
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colorize(COLOR_ERROR, trimmed.to_string())
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} else if lowered.contains("warning") || lowered.contains("caution") {
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colorize(COLOR_WARNING, trimmed.to_string())
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} else if lowered.starts_with("advanced")
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|| lowered.starts_with("ran")
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|| lowered.starts_with("set ")
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|| lowered.starts_with("blood")
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|| lowered.starts_with("heart")
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|| lowered.starts_with("patient")
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|| lowered.starts_with("tracked")
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{
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colorize(COLOR_SUCCESS, trimmed.to_string())
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} else {
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accent(trimmed.to_string())
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}
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}
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fn colorize(code: &str, text: impl Into<String>) -> String {
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let text = text.into();
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if colors_enabled() {
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format!("{code}{text}{COLOR_RESET}")
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} else {
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text
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}
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}
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fn colors_enabled() -> bool {
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static ENABLED: OnceLock<bool> = OnceLock::new();
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*ENABLED.get_or_init(|| {
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use std::io::IsTerminal;
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std::env::var_os("NO_COLOR").is_none() && io::stdout().is_terminal()
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})
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}
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