mirror of
https://github.com/alemidev/scope-tui.git
synced 2024-11-14 10:49:20 +01:00
chore: moved key parsing out of run_app
This commit is contained in:
parent
273e8598f9
commit
c6a88b13cd
2 changed files with 166 additions and 158 deletions
322
src/app.rs
322
src/app.rs
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@ -12,102 +12,16 @@ use libpulse_simple_binding::Simple;
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use libpulse_binding::{stream::Direction, def::BufferAttr};
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use libpulse_binding::sample::{Spec, Format};
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use crate::Args;
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use crate::config::{ChartNames, ChartBounds, ChartReferences, AppConfig, Dimension};
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use crate::parser::{SampleParser, Signed16PCM};
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pub struct App {
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pub cfg: AppConfig,
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pub references: ChartReferences,
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pub bounds: ChartBounds,
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pub names: ChartNames,
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}
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impl App {
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pub fn update_values(&mut self) {
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if self.cfg.scale > 32770 { // sample max value is 32768 (32 bits), but we leave 2 pixels for
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self.cfg.scale = 32770; // padding (and to not "disaling" range when reaching limit)
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}
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if self.cfg.scale < 0 {
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self.cfg.scale = 0;
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}
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if self.cfg.vectorscope {
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self.names.x = "left -".into();
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self.names.y = "| right".into();
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self.bounds.x = [-(self.cfg.scale as f64), self.cfg.scale as f64];
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self.bounds.y = [-(self.cfg.scale as f64), self.cfg.scale as f64];
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self.references.x = vec![(-(self.cfg.scale as f64), 0.0), (self.cfg.scale as f64, 0.0)];
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self.references.y = vec![(0.0, -(self.cfg.scale as f64)), (0.0, self.cfg.scale as f64)];
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} else {
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self.names.x = "time -".into();
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self.names.y = "| amplitude".into();
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self.bounds.x = [0.0, self.cfg.width as f64];
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self.bounds.y = [-(self.cfg.scale as f64), self.cfg.scale as f64];
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self.references.x = vec![(0.0, 0.0), (self.cfg.width as f64, 0.0)];
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let half_width = self.cfg.width as f64 / 2.0;
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self.references.y = vec![(half_width, -(self.cfg.scale as f64)), (half_width, self.cfg.scale as f64)];
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}
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}
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pub fn marker_type(&self) -> symbols::Marker {
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if self.cfg.braille {
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symbols::Marker::Braille
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} else {
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symbols::Marker::Dot
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}
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}
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pub fn graph_type(&self) -> GraphType {
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if self.cfg.scatter {
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GraphType::Scatter
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} else {
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GraphType::Line
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}
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}
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pub fn palette(&self, index: usize) -> Color {
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*self.cfg.palette.get(index % self.cfg.palette.len()).unwrap_or(&Color::White)
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}
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}
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impl From::<&crate::Args> for App {
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fn from(args: &crate::Args) -> Self {
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let cfg = AppConfig {
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axis_color: Color::DarkGray,
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palette: vec![Color::Red, Color::Yellow, Color::Green, Color::Magenta],
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scale: args.range,
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width: args.buffer / (2 * args.channels as u32), // TODO also make bit depth customizable
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triggering: args.triggering,
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threshold: args.threshold,
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vectorscope: args.vectorscope,
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references: !args.no_reference,
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show_ui: !args.no_ui,
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braille: !args.no_braille,
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scatter: args.scatter,
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};
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let mut app = App {
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cfg,
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references: ChartReferences::default(),
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bounds: ChartBounds::default(),
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names: ChartNames::default(),
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};
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app.update_values();
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app
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}
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}
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pub fn run_app<T : Backend>(args: Args, terminal: &mut Terminal<T>) -> Result<(), io::Error> {
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// prepare globals
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let mut buffer : Vec<u8> = vec![0; args.buffer as usize];
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let mut app = App::from(&args);
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let fmt = Signed16PCM{}; // TODO some way to choose this?
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let mut pause = false;
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// setup audio capture
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let spec = Spec {
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format: Format::S16NE,
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@ -156,7 +70,7 @@ pub fn run_app<T : Backend>(args: Args, terminal: &mut Terminal<T>) -> Result<()
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},
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}
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if !pause {
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if !app.cfg.pause {
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channels = fmt.oscilloscope(&mut buffer, args.channels);
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if app.cfg.triggering {
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@ -254,77 +168,97 @@ pub fn run_app<T : Backend>(args: Args, terminal: &mut Terminal<T>) -> Result<()
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f.render_widget(chart, size)
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})?;
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if let Some(Event::Key(key)) = poll_event()? {
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match key.modifiers {
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KeyModifiers::SHIFT => {
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match key.code {
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KeyCode::Up => app.cfg.scale -= 1000, // inverted to act as zoom
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KeyCode::Down => app.cfg.scale += 1000, // inverted to act as zoom
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KeyCode::Right => app.cfg.width += 100,
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KeyCode::Left => app.cfg.width -= 100,
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KeyCode::PageUp => app.cfg.threshold += 1000.0,
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KeyCode::PageDown => app.cfg.threshold -= 1000.0,
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_ => {},
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}
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},
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KeyModifiers::CONTROL => {
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match key.code { // mimic other programs shortcuts to quit, for user friendlyness
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KeyCode::Char('c') | KeyCode::Char('q') | KeyCode::Char('w') => break,
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KeyCode::Up => app.cfg.scale -= 50, // inverted to act as zoom
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KeyCode::Down => app.cfg.scale += 50, // inverted to act as zoom
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KeyCode::Right => app.cfg.width += 5,
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KeyCode::Left => app.cfg.width -= 5,
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KeyCode::PageUp => app.cfg.threshold += 50.0,
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KeyCode::PageDown => app.cfg.threshold -= 50.0,
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KeyCode::Char('r') => { // reset settings
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app.cfg.references = !args.no_reference;
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app.cfg.show_ui = !args.no_ui;
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app.cfg.braille = !args.no_braille;
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app.cfg.threshold = args.threshold;
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app.cfg.width = args.buffer / (args.channels as u32 * 2); // TODO ...
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app.cfg.scale = args.range;
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app.cfg.vectorscope = args.vectorscope;
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app.cfg.triggering = args.triggering;
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},
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_ => {},
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}
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},
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_ => {
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match key.code {
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KeyCode::Char('q') => break,
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KeyCode::Char(' ') => pause = !pause,
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KeyCode::Char('v') => app.cfg.vectorscope = !app.cfg.vectorscope,
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KeyCode::Char('s') => app.cfg.scatter = !app.cfg.scatter,
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KeyCode::Char('b') => app.cfg.braille = !app.cfg.braille,
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KeyCode::Char('h') => app.cfg.show_ui = !app.cfg.show_ui,
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KeyCode::Char('r') => app.cfg.references = !app.cfg.references,
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KeyCode::Char('t') => app.cfg.triggering = !app.cfg.triggering,
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KeyCode::Up => app.cfg.scale -= 250, // inverted to act as zoom
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KeyCode::Down => app.cfg.scale += 250, // inverted to act as zoom
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KeyCode::Right => app.cfg.width += 25,
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KeyCode::Left => app.cfg.width -= 25,
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KeyCode::PageUp => app.cfg.threshold += 250.0,
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KeyCode::PageDown => app.cfg.threshold -= 250.0,
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KeyCode::Tab => { // only reset "zoom"
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app.cfg.width = args.buffer / (args.channels as u32 * 2); // TODO ...
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app.cfg.scale = args.range;
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},
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KeyCode::Esc => { // back to oscilloscope
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app.cfg.references = !args.no_reference;
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app.cfg.show_ui = !args.no_ui;
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app.cfg.vectorscope = args.vectorscope;
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},
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_ => {},
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}
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}
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}
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app.update_values();
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if process_events(&mut app, &args)? {
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break;
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}
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}
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Ok(())
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}
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pub struct App {
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pub cfg: AppConfig,
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pub references: ChartReferences,
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pub bounds: ChartBounds,
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pub names: ChartNames,
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}
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impl App {
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pub fn update_values(&mut self) {
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if self.cfg.scale > 32770 { // sample max value is 32768 (32 bits), but we leave 2 pixels for
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self.cfg.scale = 32770; // padding (and to not "disaling" range when reaching limit)
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}
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if self.cfg.scale < 0 {
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self.cfg.scale = 0;
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}
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if self.cfg.vectorscope {
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self.names.x = "left -".into();
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self.names.y = "| right".into();
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self.bounds.x = [-(self.cfg.scale as f64), self.cfg.scale as f64];
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self.bounds.y = [-(self.cfg.scale as f64), self.cfg.scale as f64];
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self.references.x = vec![(-(self.cfg.scale as f64), 0.0), (self.cfg.scale as f64, 0.0)];
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self.references.y = vec![(0.0, -(self.cfg.scale as f64)), (0.0, self.cfg.scale as f64)];
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} else {
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self.names.x = "time -".into();
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self.names.y = "| amplitude".into();
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self.bounds.x = [0.0, self.cfg.width as f64];
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self.bounds.y = [-(self.cfg.scale as f64), self.cfg.scale as f64];
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self.references.x = vec![(0.0, 0.0), (self.cfg.width as f64, 0.0)];
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let half_width = self.cfg.width as f64 / 2.0;
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self.references.y = vec![(half_width, -(self.cfg.scale as f64)), (half_width, self.cfg.scale as f64)];
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}
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}
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pub fn marker_type(&self) -> symbols::Marker {
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if self.cfg.braille {
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symbols::Marker::Braille
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} else {
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symbols::Marker::Dot
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}
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}
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pub fn graph_type(&self) -> GraphType {
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if self.cfg.scatter {
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GraphType::Scatter
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} else {
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GraphType::Line
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}
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}
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pub fn palette(&self, index: usize) -> Color {
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*self.cfg.palette.get(index % self.cfg.palette.len()).unwrap_or(&Color::White)
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}
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}
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impl From::<&crate::Args> for App {
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fn from(args: &crate::Args) -> Self {
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let cfg = AppConfig {
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axis_color: Color::DarkGray,
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palette: vec![Color::Red, Color::Yellow, Color::Green, Color::Magenta],
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scale: args.range,
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width: args.buffer / (2 * args.channels as u32), // TODO also make bit depth customizable
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triggering: args.triggering,
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threshold: args.threshold,
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vectorscope: args.vectorscope,
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references: !args.no_reference,
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show_ui: !args.no_ui,
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braille: !args.no_braille,
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scatter: args.scatter,
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pause: false,
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};
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let mut app = App {
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cfg,
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references: ChartReferences::default(),
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bounds: ChartBounds::default(),
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names: ChartNames::default(),
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};
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app.update_values();
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app
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}
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}
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// TODO these functions probably shouldn't be here
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fn header(app: &App, samples: u32, framerate: u32) -> Table<'static> {
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@ -334,7 +268,7 @@ fn header(app: &App, samples: u32, framerate: u32) -> Table<'static> {
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vec![
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Cell::from(format!("TUI {}", if app.cfg.vectorscope { "Vectorscope" } else { "Oscilloscope" })).style(Style::default().fg(Color::Yellow).add_modifier(Modifier::BOLD)),
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Cell::from(format!("{} plot", if app.cfg.scatter { "scatter" } else { "line" })),
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Cell::from(format!("{}", if app.cfg.triggering { "triggered" } else { "live" } )),
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Cell::from(format!("{}", if app.cfg.pause { "stop" } else { "live" } )),
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Cell::from(format!("threshold {:.0} ^", app.cfg.threshold)),
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Cell::from(format!("range +{}-", app.cfg.scale)),
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Cell::from(format!("{}/{} samples", samples as u32, app.cfg.width)),
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@ -355,12 +289,84 @@ fn header(app: &App, samples: u32, framerate: u32) -> Table<'static> {
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])
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}
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fn poll_event() -> Result<Option<Event>, std::io::Error> {
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if event::poll(Duration::from_millis(0))? {
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Ok(Some(event::read()?))
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} else {
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Ok(None)
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fn process_events(app: &mut App, args: &Args) -> Result<bool, io::Error> {
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let mut quit = false;
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while event::poll(Duration::from_millis(0))? { // process all enqueued events
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let event = event::read()?;
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match event {
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Event::Key(key) => {
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match key.modifiers {
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KeyModifiers::SHIFT => {
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match key.code {
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KeyCode::Up => app.cfg.scale -= 1000, // inverted to act as zoom
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KeyCode::Down => app.cfg.scale += 1000, // inverted to act as zoom
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KeyCode::Right => app.cfg.width += 100,
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KeyCode::Left => app.cfg.width -= 100,
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KeyCode::PageUp => app.cfg.threshold += 1000.0,
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KeyCode::PageDown => app.cfg.threshold -= 1000.0,
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_ => {},
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}
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},
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KeyModifiers::CONTROL => {
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match key.code { // mimic other programs shortcuts to quit, for user friendlyness
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KeyCode::Char('c') | KeyCode::Char('q') | KeyCode::Char('w') => quit = true,
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KeyCode::Up => app.cfg.scale -= 50, // inverted to act as zoom
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KeyCode::Down => app.cfg.scale += 50, // inverted to act as zoom
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KeyCode::Right => app.cfg.width += 5,
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KeyCode::Left => app.cfg.width -= 5,
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KeyCode::PageUp => app.cfg.threshold += 50.0,
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KeyCode::PageDown => app.cfg.threshold -= 50.0,
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KeyCode::Char('r') => { // reset settings
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app.cfg.references = !args.no_reference;
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app.cfg.show_ui = !args.no_ui;
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app.cfg.braille = !args.no_braille;
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app.cfg.threshold = args.threshold;
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app.cfg.width = args.buffer / (args.channels as u32 * 2); // TODO ...
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app.cfg.scale = args.range;
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app.cfg.vectorscope = args.vectorscope;
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app.cfg.triggering = args.triggering;
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},
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_ => {},
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}
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},
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_ => {
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match key.code {
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KeyCode::Char('q') => quit = true,
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KeyCode::Char(' ') => app.cfg.pause = !app.cfg.pause,
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KeyCode::Char('v') => app.cfg.vectorscope = !app.cfg.vectorscope,
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KeyCode::Char('s') => app.cfg.scatter = !app.cfg.scatter,
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KeyCode::Char('b') => app.cfg.braille = !app.cfg.braille,
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KeyCode::Char('h') => app.cfg.show_ui = !app.cfg.show_ui,
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KeyCode::Char('r') => app.cfg.references = !app.cfg.references,
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KeyCode::Char('t') => app.cfg.triggering = !app.cfg.triggering,
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KeyCode::Up => app.cfg.scale -= 250, // inverted to act as zoom
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KeyCode::Down => app.cfg.scale += 250, // inverted to act as zoom
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KeyCode::Right => app.cfg.width += 25,
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KeyCode::Left => app.cfg.width -= 25,
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KeyCode::PageUp => app.cfg.threshold += 250.0,
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KeyCode::PageDown => app.cfg.threshold -= 250.0,
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KeyCode::Tab => { // only reset "zoom"
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app.cfg.width = args.buffer / (args.channels as u32 * 2); // TODO ...
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app.cfg.scale = args.range;
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},
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KeyCode::Esc => { // back to oscilloscope
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app.cfg.references = !args.no_reference;
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app.cfg.show_ui = !args.no_ui;
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app.cfg.vectorscope = args.vectorscope;
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},
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_ => {},
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}
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}
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}
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app.update_values();
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},
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_ => {},
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};
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}
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Ok(quit)
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}
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fn data_set<'a>(
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@ -53,4 +53,6 @@ pub struct AppConfig {
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pub scatter: bool,
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pub braille: bool,
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pub pause: bool,
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}
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