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|
use crate::shell::prelude::*;
pub struct Entry {
cmdline: String,
env: Env,
pty: super::pty::Pty,
job: super::job::Job,
fullscreen: Option<bool>,
}
impl Entry {
pub fn new(
cmdline: String,
env: Env,
size: (u16, u16),
event_w: crate::shell::event::Writer,
) -> Self {
let (pty, pts) = super::pty::Pty::new(size, event_w.clone()).unwrap();
let job = super::job::Job::new(&cmdline, env.clone(), &pts, event_w)
.unwrap();
Self {
cmdline,
env,
pty,
job,
fullscreen: None,
}
}
pub fn render(
&self,
out: &mut impl textmode::Textmode,
idx: usize,
entry_count: usize,
state: &super::job::State,
vt: &mut super::pty::Vt,
size: (u16, u16),
focused: bool,
scrolling: bool,
offset: time::UtcOffset,
) {
let time = state.exit_info().map_or_else(
|| {
format!(
"[{}]",
crate::format::time(
self.job.start_time().to_offset(offset)
)
)
},
|info| {
format!(
"({}) [{}]",
crate::format::duration(
*info.instant() - *self.job.start_instant()
),
crate::format::time(
self.job.start_time().to_offset(offset)
),
)
},
);
vt.bell(out, focused);
set_bgcolor(out, idx, focused);
out.set_fgcolor(textmode::color::YELLOW);
let entry_count_width = format!("{}", entry_count + 1).len();
let idx_str = format!("{}", idx + 1);
out.write_str(&" ".repeat(entry_count_width - idx_str.len()));
out.write_str(&idx_str);
out.write_str(" ");
out.reset_attributes();
set_bgcolor(out, idx, focused);
if let Some(info) = state.exit_info() {
let status = info.status();
if status.signal().is_some() {
out.set_fgcolor(textmode::color::MAGENTA);
} else if status.success() {
out.set_fgcolor(textmode::color::DARKGREY);
} else {
out.set_fgcolor(textmode::color::RED);
}
out.write_str(&crate::format::exit_status(status));
} else {
out.write_str(" ");
}
out.reset_attributes();
if vt.is_bell() {
out.set_bgcolor(textmode::Color::Rgb(64, 16, 16));
} else {
set_bgcolor(out, idx, focused);
}
out.write_str("$ ");
set_bgcolor(out, idx, focused);
let start = usize::from(out.screen().cursor_position().1);
let end = usize::from(size.1) - time.len() - 2;
let max_len = end - start;
let cmd = if self.cmd().len() > max_len {
&self.cmd()[..(max_len - 4)]
} else {
self.cmd()
};
if let super::job::State::Running(span) = state {
let span = (span.0.min(cmd.len()), span.1.min(cmd.len()));
if !cmd[..span.0].is_empty() {
out.write_str(&cmd[..span.0]);
}
if !cmd[span.0..span.1].is_empty() {
out.set_bgcolor(textmode::Color::Rgb(16, 64, 16));
out.write_str(&cmd[span.0..span.1]);
set_bgcolor(out, idx, focused);
}
if !cmd[span.1..].is_empty() {
out.write_str(&cmd[span.1..]);
}
} else {
out.write_str(cmd);
}
if self.cmd().len() > max_len {
if let super::job::State::Running(span) = state {
if span.0 < cmd.len() && span.1 > cmd.len() {
out.set_bgcolor(textmode::Color::Rgb(16, 64, 16));
}
}
out.write_str(" ");
if let super::job::State::Running(span) = state {
if span.1 > cmd.len() {
out.set_bgcolor(textmode::Color::Rgb(16, 64, 16));
}
}
out.set_fgcolor(textmode::color::BLUE);
out.write_str("...");
}
out.reset_attributes();
set_bgcolor(out, idx, focused);
let cur_pos = out.screen().cursor_position();
out.write_str(&" ".repeat(
usize::from(size.1) - time.len() - 1 - usize::from(cur_pos.1),
));
out.write_str(&time);
out.write_str(" ");
out.reset_attributes();
if vt.binary() {
let msg = "This appears to be binary data. Fullscreen this entry to view anyway.";
let len: u16 = msg.len().try_into().unwrap();
out.move_to(
out.screen().cursor_position().0 + 1,
(size.1 - len) / 2,
);
out.set_fgcolor(textmode::color::RED);
out.write_str(msg);
out.hide_cursor(true);
} else {
let last_row =
vt.output_lines(focused && !scrolling, state.running());
let mut max_lines = self.max_lines(entry_count);
if last_row > max_lines {
out.write(b"\r\n");
out.set_fgcolor(textmode::color::BLUE);
out.write_str("...");
out.reset_attributes();
max_lines -= 1;
}
let mut out_row = out.screen().cursor_position().0 + 1;
let screen = vt.screen();
let pos = screen.cursor_position();
let mut wrapped = false;
let mut cursor_found = None;
for (idx, row) in screen
.rows_formatted(0, size.1)
.enumerate()
.take(last_row)
.skip(last_row.saturating_sub(max_lines))
{
let idx: u16 = idx.try_into().unwrap();
out.reset_attributes();
if !wrapped {
out.move_to(out_row, 0);
}
out.write(&row);
wrapped = screen.row_wrapped(idx);
if pos.0 == idx {
cursor_found = Some(out_row);
}
out_row += 1;
}
if focused && !scrolling {
if let Some(row) = cursor_found {
out.hide_cursor(screen.hide_cursor());
out.move_to(row, pos.1);
} else {
out.hide_cursor(true);
}
}
}
out.reset_attributes();
}
pub fn render_fullscreen(&self, out: &mut impl textmode::Textmode) {
self.pty.with_vt_mut(|vt| {
out.write(&vt.screen().state_formatted());
vt.bell(out, true);
out.reset_attributes();
});
}
pub fn input(&self, bytes: Vec<u8>) {
self.pty.input(bytes);
}
pub fn resize(&self, size: (u16, u16)) {
self.pty.resize(size);
}
pub fn cmd(&self) -> &str {
&self.cmdline
}
pub fn toggle_fullscreen(&mut self) {
if let Some(fullscreen) = self.fullscreen {
self.fullscreen = Some(!fullscreen);
} else {
self.fullscreen = Some(!self.pty.fullscreen());
}
}
pub fn set_fullscreen(&mut self, fullscreen: bool) {
self.fullscreen = Some(fullscreen);
}
pub fn running(&self) -> bool {
self.job.running()
}
pub fn lines(&self, entry_count: usize, focused: bool) -> usize {
let running = self.running();
1 + std::cmp::min(
self.pty.with_vt(|vt| vt.output_lines(focused, running)),
self.max_lines(entry_count),
)
}
pub fn should_fullscreen(&self) -> bool {
self.fullscreen.unwrap_or_else(|| self.pty.fullscreen())
}
pub fn lock_vt(&self) -> std::sync::MutexGuard<super::pty::Vt> {
self.pty.lock_vt()
}
pub fn lock_state(&self) -> std::sync::MutexGuard<super::job::State> {
self.job.lock_state()
}
pub fn set_span(&self, span: (usize, usize)) {
self.job.set_span(span);
}
fn max_lines(&self, entry_count: usize) -> usize {
if self.env.idx() == entry_count - 1 {
15
} else {
5
}
}
}
fn set_bgcolor(out: &mut impl textmode::Textmode, idx: usize, focus: bool) {
if focus {
out.set_bgcolor(textmode::Color::Rgb(0x56, 0x1b, 0x8b));
} else if idx % 2 == 0 {
out.set_bgcolor(textmode::Color::Rgb(0x24, 0x21, 0x00));
} else {
out.set_bgcolor(textmode::Color::Rgb(0x20, 0x20, 0x20));
}
}
|
