use crossterm::{
cursor,
event::{self, Event, KeyCode, KeyModifiers},
execute,
terminal::{self, EnterAlternateScreen, LeaveAlternateScreen},
};
use scrin::command_palette::{Command, CommandPalette};
use scrin::core::buffer::{Buffer, Cell};
use scrin::core::color::Color;
use scrin::core::rect::Rect;
use scrin::effects::{EffectPlayer, LoaderPlayer};
use scrin::layout::{Constraint, Direction, Layout};
use scrin::overlays::toast::{Toast, ToastKind};
use scrin::overlays::{Modal, Overlay, OverlayPosition, Transition};
use scrin::panes::{Pane, PaneManager, ResizeBehavior};
use scrin::sanitize;
use scrin::status_bar::{StatusBar, StatusBarPosition};
use scrin::widgets::block::{Block, BorderStyle};
use scrin::widgets::code::CodeBlock;
use scrin::widgets::markdown_output::{MarkdownOutput, OutputTheme};
use scrin::widgets::toggle::{Toggle, ToggleStyle};
use scrin::widgets::Widget;
use std::io::{self, Write};
use std::time::{Duration, Instant};
const BG: Color = Color::rgb(4, 5, 12);
const VOID_BG: Color = Color::rgb(8, 10, 20);
const PANEL_BG: Color = Color::rgb(13, 17, 27);
const TEXT: Color = Color::rgb(219, 226, 239);
const DIM: Color = Color::rgb(113, 125, 153);
const BLUE: Color = Color::rgb(86, 193, 255);
const CYAN: Color = Color::rgb(81, 255, 236);
const PINK: Color = Color::rgb(255, 69, 175);
const PURPLE: Color = Color::rgb(169, 112, 255);
const GREEN: Color = Color::rgb(90, 255, 154);
const GOLD: Color = Color::rgb(255, 196, 87);
const RED: Color = Color::rgb(255, 98, 98);
#[derive(Clone)]
struct ToggleSpec {
label: &'static str,
description: &'static str,
key: char,
style: ToggleStyle,
active: bool,
color: Color,
}
struct App {
panes: PaneManager,
palette: CommandPalette,
status: StatusBar,
help: Modal,
toasts: Vec<Toast>,
toggles: Vec<ToggleSpec>,
selected: usize,
effect: EffectPlayer,
effect_index: usize,
loader_index: usize,
effect_tick: usize,
loader_tick: usize,
progress: f32,
progress_dir: f32,
frame: u64,
fps: f64,
fps_counter: u64,
fps_timer: Instant,
log: Vec<String>,
}
impl App {
fn new() -> Self {
let mut panes = PaneManager::new().with_direction(Direction::Horizontal);
panes.add_named_pane(
Pane::new(0, "switchboard")
.with_constraint(Constraint::Length(36))
.with_min_size(30, 12)
.with_resize_behavior(ResizeBehavior::AutoCollapse)
.with_border_color(CYAN)
.with_toggle_key('s'),
"switchboard",
);
panes.add_named_pane(
Pane::new(1, "reactor")
.with_constraint(Constraint::Min(46))
.with_min_size(34, 12)
.with_resize_behavior(ResizeBehavior::Fixed)
.with_border_color(PINK),
"reactor",
);
panes.add_named_pane(
Pane::new(2, "telemetry")
.with_constraint(Constraint::Length(38))
.with_min_size(30, 12)
.with_resize_behavior(ResizeBehavior::AutoCollapse)
.with_border_color(GREEN)
.with_toggle_key('t'),
"telemetry",
);
let toggles = vec![
ToggleSpec {
label: "Quantum Panes",
description: "opens or seals the side panes",
key: '1',
style: ToggleStyle::Slider,
active: true,
color: CYAN,
},
ToggleSpec {
label: "Aisling Reactor",
description: "animates effect and loader engines",
key: '2',
style: ToggleStyle::Checkbox,
active: true,
color: PINK,
},
ToggleSpec {
label: "Glitch Skin",
description: "warps colors and border pulse",
key: '3',
style: ToggleStyle::Radio,
active: false,
color: PURPLE,
},
ToggleSpec {
label: "Telemetry Rain",
description: "streams live signal glyphs",
key: '4',
style: ToggleStyle::Text,
active: true,
color: GREEN,
},
ToggleSpec {
label: "Auto Cycle",
description: "rotates effect and loader choices",
key: '5',
style: ToggleStyle::Block,
active: true,
color: GOLD,
},
];
let palette = CommandPalette::new().with_commands(vec![
command("Toggle Panes", "1", "open or close side panes", "toggle_0"),
command("Toggle Reactor", "2", "pause or run aisling", "toggle_1"),
command("Toggle Glitch", "3", "enable chromatic skin", "toggle_2"),
command("Toggle Telemetry", "4", "show signal rain", "toggle_3"),
command(
"Toggle Auto Cycle",
"5",
"rotate effects/loaders",
"toggle_4",
),
command("Next Effect", "]", "advance effect kind", "next_effect"),
command("Previous Effect", "[", "rewind effect kind", "prev_effect"),
command("Next Loader", "l", "advance loader kind", "next_loader"),
command("Focus Pane", "Tab", "cycle visible pane focus", "focus"),
command("Reset Deck", "r", "restore default toggles", "reset"),
command("Help", "?", "show shortcuts", "help"),
command("Quit", "q", "exit demo", "quit"),
]);
let help = Modal::new(
"Exotic Toggle Deck",
"1-5 flip toggles, j/k select, space/enter flip selected, Ctrl+K commands, Tab focus, [/] effects, l loader, r reset, q quit.",
)
.with_border_color(CYAN)
.with_transition(Transition::Scale);
let mut app = Self {
panes,
palette,
status: StatusBar::new().with_position(StatusBarPosition::Bottom),
help,
toasts: Vec::new(),
toggles,
selected: 0,
effect: Self::make_effect(0, false),
effect_index: 0,
loader_index: 0,
effect_tick: 0,
loader_tick: 0,
progress: 0.0,
progress_dir: 0.018,
frame: 0,
fps: 0.0,
fps_counter: 0,
fps_timer: Instant::now(),
log: vec!["deck armed: all toggle styles online".to_string()],
};
app.rebuild_effect();
app.sync_panes();
app
}
fn make_effect(index: usize, glitch: bool) -> EffectPlayer {
let kinds = EffectPlayer::all_kinds();
let kind = kinds[index % kinds.len()];
let text = if glitch {
"GLITCH SKIN // TOGGLE WORMHOLE\nreactor drift: chroma unstable\nselection cursor: phase locked"
} else {
"TOGGLE WORMHOLE ONLINE\npanes, overlays, loaders, effects\nall controlled by live switch state"
};
EffectPlayer::new(kind, text)
.with_size(78, 10)
.with_seed(1337 + index as u64)
.with_gradient_colors(vec![CYAN, PINK, PURPLE, GREEN, GOLD], 45.0)
}
fn rebuild_effect(&mut self) {
self.effect = Self::make_effect(self.effect_index, self.toggles[2].active);
}
fn sync_panes(&mut self) {
let side_panes = self.toggles[0].active;
for name in ["switchboard", "telemetry"] {
if let Some(pane) = self.panes.get_pane_by_name_mut(name) {
if side_panes {
if !pane.is_open() {
pane.open();
}
} else if pane.is_open() {
pane.close();
}
}
}
}
fn toggle(&mut self, index: usize) {
let mut event = None;
if let Some(spec) = self.toggles.get_mut(index) {
spec.active = !spec.active;
let state = if spec.active { "enabled" } else { "disabled" };
let kind = if spec.active {
ToastKind::Success
} else {
ToastKind::Warning
};
event = Some((format!("{} {}", spec.label, state), kind));
}
if let Some((message, kind)) = event {
self.push_log(message.clone());
self.push_toast(message, kind);
}
if index == 0 {
self.sync_panes();
}
if index == 2 {
self.rebuild_effect();
}
}
fn reset(&mut self) {
for (spec, active) in self.toggles.iter_mut().zip([true, true, false, true, true]) {
spec.active = active;
}
self.selected = 0;
self.effect_index = 0;
self.loader_index = 0;
self.progress = 0.0;
self.progress_dir = 0.018;
self.rebuild_effect();
self.sync_panes();
self.push_log("deck reset to default state".to_string());
self.push_toast("deck reset".to_string(), ToastKind::Info);
}
fn next_effect(&mut self) {
self.effect_index = (self.effect_index + 1) % EffectPlayer::all_kinds().len();
self.rebuild_effect();
self.push_log(format!("effect -> {}", self.effect.name()));
}
fn prev_effect(&mut self) {
let len = EffectPlayer::all_kinds().len();
self.effect_index = if self.effect_index == 0 {
len - 1
} else {
self.effect_index - 1
};
self.rebuild_effect();
self.push_log(format!("effect -> {}", self.effect.name()));
}
fn next_loader(&mut self) {
self.loader_index = (self.loader_index + 1) % LoaderPlayer::all_kinds().len();
let name = LoaderPlayer::all_kinds()[self.loader_index].name();
self.push_log(format!("loader -> {}", name));
}
fn update(&mut self, delta: Duration) {
self.frame = self.frame.wrapping_add(1);
self.fps_counter += 1;
let elapsed = self.fps_timer.elapsed();
if elapsed >= Duration::from_secs(1) {
self.fps = self.fps_counter as f64 / elapsed.as_secs_f64();
self.fps_counter = 0;
self.fps_timer = Instant::now();
}
if self.toggles[1].active {
self.effect.advance();
self.effect_tick = self.effect_tick.wrapping_add(1);
self.loader_tick = self.loader_tick.wrapping_add(1);
self.progress += self.progress_dir;
if self.progress >= 1.0 {
self.progress = 1.0;
self.progress_dir = -0.012;
} else if self.progress <= 0.0 {
self.progress = 0.0;
self.progress_dir = 0.018;
}
}
if self.toggles[4].active && self.frame % 96 == 0 {
self.next_effect();
self.next_loader();
}
for toast in &mut self.toasts {
toast.update(delta);
}
self.toasts.retain(|toast| toast.is_visible());
self.help.update(delta);
}
fn push_log(&mut self, line: String) {
self.log.push(line);
if self.log.len() > 12 {
self.log.remove(0);
}
}
fn push_toast(&mut self, message: String, kind: ToastKind) {
self.toasts.push(
Toast::new(&message, kind)
.with_position(OverlayPosition::BottomRight)
.with_lifetime(Duration::from_secs(2))
.with_transition(Transition::SlideUp)
.with_max_width(54),
);
}
fn active_count(&self) -> usize {
self.toggles.iter().filter(|spec| spec.active).count()
}
}
fn main() -> io::Result<()> {
let mut stdout = io::stdout();
terminal::enable_raw_mode()?;
execute!(stdout, EnterAlternateScreen, cursor::Hide)?;
let mut app = App::new();
let mut last_frame = Instant::now();
let result = (|| -> io::Result<()> {
loop {
let now = Instant::now();
let delta = now.saturating_duration_since(last_frame);
last_frame = now;
app.update(delta);
let (cols, rows) = terminal::size()?;
app.panes.handle_resize(cols, rows);
app.sync_panes();
let mut buffer = Buffer::with_background(cols as usize, rows as usize, Some(BG));
let screen = Rect::new(0, 0, cols, rows);
render_background(&mut buffer, screen, app.frame, app.toggles[2].active);
let main_h = rows.saturating_sub(1);
let main = Rect::new(0, 0, cols, main_h);
let header_h = 4.min(main.height);
let header = Rect::new(0, 0, cols, header_h);
let body = Rect::new(0, header_h, cols, main.height.saturating_sub(header_h));
render_header(&app, &mut buffer, header);
render_panes(&app, &mut buffer, body);
if app.help.is_visible() {
app.help.render(&mut buffer, screen);
}
if app.palette.is_open() {
app.palette.render(&mut buffer, screen);
}
for toast in &app.toasts {
toast.render(&mut buffer, screen);
}
render_status(
&mut app,
&mut buffer,
Rect::new(0, rows.saturating_sub(1), cols, 1),
);
write!(stdout, "\x1b[H{}", buffer.to_ansi_string())?;
stdout.flush()?;
if event::poll(Duration::from_millis(55))? {
if let Event::Key(key) = event::read()? {
if handle_key(&mut app, key.code, key.modifiers) {
return Ok(());
}
}
}
}
})();
execute!(stdout, cursor::Show, LeaveAlternateScreen)?;
terminal::disable_raw_mode()?;
result
}
fn handle_key(app: &mut App, code: KeyCode, modifiers: KeyModifiers) -> bool {
if app.palette.is_open() {
match code {
KeyCode::Esc => app.palette.close(),
KeyCode::Enter => {
if let Some(action) = app.palette.execute_selected().map(str::to_string) {
app.palette.close();
return execute_action(app, &action);
}
}
KeyCode::Up => app.palette.select_prev(),
KeyCode::Down => app.palette.select_next(),
KeyCode::Backspace => app.palette.backspace(),
KeyCode::Char(c)
if modifiers == KeyModifiers::NONE || modifiers == KeyModifiers::SHIFT =>
{
app.palette.input_char(c)
}
_ => {}
}
return false;
}
if app.help.is_visible() {
match code {
KeyCode::Esc | KeyCode::Char('?') | KeyCode::Enter | KeyCode::Char(' ') => {
app.help.hide();
}
_ => return false,
}
}
match (modifiers, code) {
(KeyModifiers::CONTROL, KeyCode::Char('c'))
| (KeyModifiers::CONTROL, KeyCode::Char('q'))
| (_, KeyCode::Char('q')) => true,
(KeyModifiers::CONTROL, KeyCode::Char('k')) => {
app.palette.open();
false
}
(_, KeyCode::Char('?')) => {
app.help.show();
false
}
(_, KeyCode::Char('j')) | (_, KeyCode::Down) => {
app.selected = (app.selected + 1) % app.toggles.len();
false
}
(_, KeyCode::Char('k')) | (_, KeyCode::Up) => {
app.selected = if app.selected == 0 {
app.toggles.len() - 1
} else {
app.selected - 1
};
false
}
(_, KeyCode::Char(' ')) | (_, KeyCode::Enter) => {
app.toggle(app.selected);
false
}
(_, KeyCode::Char('1')) => {
app.toggle(0);
false
}
(_, KeyCode::Char('2')) => {
app.toggle(1);
false
}
(_, KeyCode::Char('3')) => {
app.toggle(2);
false
}
(_, KeyCode::Char('4')) => {
app.toggle(3);
false
}
(_, KeyCode::Char('5')) => {
app.toggle(4);
false
}
(_, KeyCode::Char(']')) | (_, KeyCode::Right) => {
app.next_effect();
false
}
(_, KeyCode::Char('[')) | (_, KeyCode::Left) => {
app.prev_effect();
false
}
(_, KeyCode::Char('l')) => {
app.next_loader();
false
}
(_, KeyCode::Char('r')) => {
app.reset();
false
}
(_, KeyCode::Tab) => {
app.panes.focus_next();
false
}
(_, KeyCode::BackTab) => {
app.panes.focus_prev();
false
}
_ => false,
}
}
fn execute_action(app: &mut App, action: &str) -> bool {
match action {
"toggle_0" => app.toggle(0),
"toggle_1" => app.toggle(1),
"toggle_2" => app.toggle(2),
"toggle_3" => app.toggle(3),
"toggle_4" => app.toggle(4),
"next_effect" => app.next_effect(),
"prev_effect" => app.prev_effect(),
"next_loader" => app.next_loader(),
"focus" => app.panes.focus_next(),
"reset" => app.reset(),
"help" => app.help.show(),
"quit" => return true,
_ => {}
}
false
}
fn render_background(buffer: &mut Buffer, area: Rect, frame: u64, glitch: bool) {
buffer.fill(area, ' ', TEXT, Some(BG));
for y in area.y..area.bottom() {
for x in area.x..area.right() {
let seed = (x as u64 * 17 + y as u64 * 41 + frame / 2) % 97;
if seed == 0 || (glitch && seed == 7) {
let ch = match (x as u64 + y as u64 + frame) % 5 {
0 => '·',
1 => '˙',
2 => '`',
3 => '˚',
_ => '.',
};
let color = if glitch && seed == 7 {
PINK
} else {
DIM.dim(0.45)
};
buffer.set(x as usize, y as usize, Cell::new(ch, color, Some(BG)));
}
}
}
}
fn render_header(app: &App, buffer: &mut Buffer, area: Rect) {
if area.height == 0 {
return;
}
let title = " EXOTIC TOGGLE DECK // five switch styles driving panes + aisling ";
write_bold(
buffer,
area.x as usize + 2,
area.y as usize,
title,
CYAN,
Some(BG),
area.width.saturating_sub(4),
);
if area.height > 1 {
let line = format!(
" keys: 1-5 flip j/k select Ctrl+K palette Tab focus effect:{} loader:{} ",
app.effect.name(),
LoaderPlayer::all_kinds()[app.loader_index].name()
);
write_line(
buffer,
area.x as usize + 2,
area.y as usize + 1,
&line,
DIM,
Some(BG),
area.width.saturating_sub(4),
);
}
if area.height > 2 {
let width = area.width.saturating_sub(4) as usize;
let filled = ((app.progress * width as f32) as usize).min(width.saturating_sub(1));
for x in 0..width {
let ch = if x <= filled { '━' } else { '─' };
let color = if x <= filled {
palette_color(x + app.frame as usize)
} else {
Color::rgb(26, 33, 52)
};
buffer.set(
area.x as usize + 2 + x,
area.y as usize + 2,
Cell::new(ch, color, Some(BG)),
);
}
}
if area.height > 3 {
let chips = app
.toggles
.iter()
.map(|spec| format!("{}:{}", spec.key, if spec.active { "on" } else { "off" }))
.collect::<Vec<_>>()
.join(" ");
write_line(
buffer,
area.x as usize + 2,
area.y as usize + 3,
&chips,
GOLD,
Some(BG),
area.width.saturating_sub(4),
);
}
}
fn render_panes(app: &App, buffer: &mut Buffer, area: Rect) {
let ids = app.panes.visible_pane_ids();
app.panes
.render_with_content(buffer, area, |idx, inner, buf| {
let Some(id) = ids.get(idx) else {
return;
};
match id.0 {
0 => render_switchboard(app, buf, inner),
1 => render_reactor(app, buf, inner),
2 => render_telemetry(app, buf, inner),
_ => {}
}
});
}
fn render_switchboard(app: &App, buffer: &mut Buffer, area: Rect) {
buffer.fill(area, ' ', TEXT, Some(PANEL_BG));
write_bold(
buffer,
area.x as usize,
area.y as usize,
"switch matrix",
CYAN,
Some(PANEL_BG),
area.width,
);
if area.height > 1 {
write_line(
buffer,
area.x as usize,
area.y as usize + 1,
"all five ToggleStyle variants",
DIM,
Some(PANEL_BG),
area.width,
);
}
let mut y = area.y.saturating_add(3);
for (i, spec) in app.toggles.iter().enumerate() {
if y >= area.bottom() {
break;
}
let selected = i == app.selected;
let key = format!("{}{}", if selected { "▸" } else { " " }, spec.key);
write_line(
buffer,
area.x as usize,
y as usize,
&key,
if selected { Color::WHITE } else { spec.color },
Some(PANEL_BG),
3,
);
let toggle_area = Rect::new(area.x.saturating_add(3), y, area.width.saturating_sub(3), 1);
Toggle::new(spec.label, spec.active)
.with_style(spec.style)
.with_active_color(spec.color)
.with_inactive_color(DIM.dim(0.35))
.with_label_color(if selected { Color::WHITE } else { TEXT })
.render(buffer, toggle_area);
if y + 1 < area.bottom() {
write_line(
buffer,
area.x as usize + 3,
y as usize + 1,
spec.description,
DIM,
Some(PANEL_BG),
area.width.saturating_sub(3),
);
}
y = y.saturating_add(3);
}
if y < area.bottom() {
write_line(
buffer,
area.x as usize,
y as usize,
"space/enter flips selected",
GOLD,
Some(PANEL_BG),
area.width,
);
}
}
fn render_reactor(app: &App, buffer: &mut Buffer, area: Rect) {
buffer.fill(area, ' ', TEXT, Some(VOID_BG));
if area.height == 0 || area.width == 0 {
return;
}
let top_h = (area.height / 2).max(7).min(area.height);
let layout = Layout::vertical(vec![
Constraint::Length(top_h),
Constraint::Length(6),
Constraint::Min(0),
]);
let rects = layout.split(area);
let effect_title = format!("aisling effect // {}", app.effect.name());
let effect_title =
sanitize::truncate_str(&effect_title, rects[0].width.saturating_sub(4) as usize);
let effect_block = Block::new(&effect_title)
.with_borders(BorderStyle::Double)
.with_border_color(if app.toggles[2].active { PINK } else { BLUE })
.with_bg(VOID_BG)
.with_inner_margin(Rect::ZERO);
effect_block.render(buffer, rects[0]);
let effect_inner = effect_block.inner(rects[0]);
if app.toggles[1].active {
app.effect.render_to_buffer(buffer, effect_inner);
} else {
write_bold(
buffer,
effect_inner.x as usize,
effect_inner.y as usize,
"reactor paused",
RED,
Some(VOID_BG),
effect_inner.width,
);
if effect_inner.height > 1 {
write_line(
buffer,
effect_inner.x as usize,
effect_inner.y as usize + 1,
"toggle 2 resumes the aisling engine",
DIM,
Some(VOID_BG),
effect_inner.width,
);
}
}
if rects.len() > 1 && rects[1].height > 0 {
let kind = LoaderPlayer::all_kinds()[app.loader_index];
let title = format!("loader runway // {}", kind.name());
let title = sanitize::truncate_str(&title, rects[1].width.saturating_sub(4) as usize);
let loader_block = Block::new(&title)
.with_borders(BorderStyle::Rounded)
.with_border_color(GREEN)
.with_bg(PANEL_BG)
.with_inner_margin(Rect::ZERO);
loader_block.render(buffer, rects[1]);
let inner = loader_block.inner(rects[1]);
let loader = LoaderPlayer::new(kind)
.with_size(inner.width as usize, inner.height as usize)
.with_label("toggle-driven progress".to_string())
.with_gradient_colors(vec![CYAN, PINK, GREEN, GOLD], 45.0);
loader.render(
app.loader_tick,
LoaderPlayer::progress_from_fraction(app.progress),
buffer,
inner,
);
}
if rects.len() > 2 && rects[2].height > 0 {
let code = format!(
"ToggleDeck {{\n panes: {},\n reactor: {},\n glitch_skin: {},\n telemetry_rain: {},\n auto_cycle: {},\n effect: \"{}\",\n loader: \"{}\",\n}}",
state(app.toggles[0].active),
state(app.toggles[1].active),
state(app.toggles[2].active),
state(app.toggles[3].active),
state(app.toggles[4].active),
app.effect.name(),
LoaderPlayer::all_kinds()[app.loader_index].name(),
);
CodeBlock::new(&code)
.with_language("rust")
.with_current_line((app.selected + 2).min(7))
.render(buffer, rects[2]);
}
}
fn render_telemetry(app: &App, buffer: &mut Buffer, area: Rect) {
buffer.fill(area, ' ', TEXT, Some(PANEL_BG));
let split = Layout::vertical(vec![Constraint::Length(9), Constraint::Min(0)]).split(area);
let markdown = format!(
"# toggle telemetry\n- active switches: **{} / {}**\n- focused pane: `{}`\n- selected switch: `{}`\n> use Ctrl+K for command palette actions\n\n```text\nprogress {:>3}% fps {:>4.0}\n```",
app.active_count(),
app.toggles.len(),
app.panes
.active_focus
.map(|id| id.0.to_string())
.unwrap_or_else(|| "none".to_string()),
app.toggles[app.selected].label,
(app.progress * 100.0) as usize,
app.fps,
);
MarkdownOutput::new(&markdown)
.with_theme(OutputTheme::SCRIN)
.with_code_line_numbers(false)
.render(buffer, split[0]);
if split.len() > 1 && split[1].height > 0 {
let block = Block::new("signal log")
.with_borders(BorderStyle::Rounded)
.with_border_color(GOLD)
.with_bg(PANEL_BG);
block.render(buffer, split[1]);
let inner = block.inner(split[1]);
if app.toggles[3].active {
render_signal_rain(buffer, inner, app.frame);
}
let start = app.log.len().saturating_sub(inner.height as usize);
for (row, line) in app.log.iter().skip(start).enumerate() {
if row as u16 >= inner.height {
break;
}
write_line(
buffer,
inner.x as usize,
inner.y as usize + row,
line,
if row + start + 1 == app.log.len() {
GREEN
} else {
DIM
},
Some(PANEL_BG),
inner.width,
);
}
}
}
fn render_signal_rain(buffer: &mut Buffer, area: Rect, frame: u64) {
for y in area.y..area.bottom() {
for x in area.x..area.right() {
let seed = (x as u64 * 11 + y as u64 * 19 + frame) % 37;
if seed == 0 {
let ch = match (x as u64 + frame / 3) % 6 {
0 => '0',
1 => '1',
2 => '╳',
3 => '◇',
4 => '∴',
_ => '·',
};
buffer.set(
x as usize,
y as usize,
Cell::new(ch, GREEN.dim(0.2), Some(PANEL_BG)),
);
}
}
}
}
fn render_status(app: &mut App, buffer: &mut Buffer, area: Rect) {
app.status.clear();
app.status.set_left(
&format!(
"selected {} ({})",
app.toggles[app.selected].label, app.toggles[app.selected].key
),
app.toggles[app.selected].color,
);
app.status.set_center(
&format!(
"effects:{} loaders:{}",
EffectPlayer::all_kinds().len(),
LoaderPlayer::all_kinds().len()
),
DIM,
);
app.status
.set_right("Ctrl+K commands ? help q quit", GOLD);
app.status.render(buffer, area);
}
fn command(name: &str, shortcut: &str, description: &str, action_id: &str) -> Command {
Command {
name: name.to_string(),
shortcut: Some(shortcut.to_string()),
description: description.to_string(),
action_id: action_id.to_string(),
}
}
fn state(active: bool) -> &'static str {
if active {
"online"
} else {
"offline"
}
}
fn palette_color(i: usize) -> Color {
match i % 6 {
0 => CYAN,
1 => PINK,
2 => PURPLE,
3 => GREEN,
4 => GOLD,
_ => BLUE,
}
}
fn write_line(
buffer: &mut Buffer,
x: usize,
y: usize,
text: &str,
fg: Color,
bg: Option<Color>,
width: u16,
) {
if width == 0 {
return;
}
let display = sanitize::truncate_str(text, width as usize);
buffer.set_str(x, y, &display, fg, bg);
}
fn write_bold(
buffer: &mut Buffer,
x: usize,
y: usize,
text: &str,
fg: Color,
bg: Option<Color>,
width: u16,
) {
if width == 0 {
return;
}
let display = sanitize::truncate_str(text, width as usize);
buffer.set_str_bold(x, y, &display, fg, bg);
}