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Fix list on terminals that don't disable line wrapping

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This commit is contained in:
mo8it
2024-08-26 04:29:58 +02:00
parent f22700a4ec
commit e811dd15b5
2 changed files with 149 additions and 70 deletions
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src/list/state.rs
+51 -58
View File
@@ -13,7 +13,7 @@ use std::{
use crate::{
app_state::AppState,
exercise::Exercise,
term::{progress_bar, terminal_file_link},
term::{progress_bar, terminal_file_link, CountedWrite, MaxLenWriter},
MAX_EXERCISE_NAME_LEN,
};
@@ -28,14 +28,6 @@ fn next_ln(stdout: &mut StdoutLock) -> io::Result<()> {
Ok(())
}
// Avoids having the last written char as the last displayed one when the
// written width is higher than the terminal width.
// Happens on the Gnome terminal for example.
fn next_ln_overwrite(stdout: &mut StdoutLock) -> io::Result<()> {
stdout.write_all(b" ")?;
next_ln(stdout)
}
#[derive(Copy, Clone, PartialEq, Eq)]
pub enum Filter {
Done,
@@ -164,40 +156,44 @@ impl<'a> ListState<'a> {
.skip(self.row_offset)
.take(self.max_n_rows_to_display)
{
let mut writer = MaxLenWriter::new(stdout, self.term_width as usize);
if self.selected_row == Some(self.row_offset + n_displayed_rows) {
stdout.queue(SetBackgroundColor(Color::Rgb {
writer.stdout.queue(SetBackgroundColor(Color::Rgb {
r: 40,
g: 40,
b: 40,
}))?;
stdout.write_all("🦀".as_bytes())?;
// The crab emoji has the width of two ascii chars.
writer.add_to_len(2);
writer.stdout.write_all("🦀".as_bytes())?;
} else {
stdout.write_all(b" ")?;
writer.write_ascii(b" ")?;
}
if exercise_ind == current_exercise_ind {
stdout.queue(SetForegroundColor(Color::Red))?;
stdout.write_all(b">>>>>>> ")?;
writer.stdout.queue(SetForegroundColor(Color::Red))?;
writer.write_ascii(b">>>>>>> ")?;
} else {
stdout.write_all(b" ")?;
writer.write_ascii(b" ")?;
}
if exercise.done {
stdout.queue(SetForegroundColor(Color::Green))?;
stdout.write_all(b"DONE ")?;
writer.stdout.queue(SetForegroundColor(Color::Green))?;
writer.write_ascii(b"DONE ")?;
} else {
stdout.queue(SetForegroundColor(Color::Yellow))?;
stdout.write_all(b"PENDING ")?;
writer.stdout.queue(SetForegroundColor(Color::Yellow))?;
writer.write_ascii(b"PENDING ")?;
}
stdout.queue(SetForegroundColor(Color::Reset))?;
writer.stdout.queue(SetForegroundColor(Color::Reset))?;
stdout.write_all(exercise.name.as_bytes())?;
stdout.write_all(&SPACE[..self.name_col_width + 2 - exercise.name.len()])?;
writer.write_str(exercise.name)?;
writer.write_ascii(&SPACE[..self.name_col_width + 2 - exercise.name.len()])?;
terminal_file_link(stdout, exercise.path, Color::Blue)?;
terminal_file_link(&mut writer, exercise.path, Color::Blue)?;
next_ln_overwrite(stdout)?;
next_ln(stdout)?;
stdout.queue(ResetColor)?;
n_displayed_rows += 1;
}
@@ -213,10 +209,11 @@ impl<'a> ListState<'a> {
stdout.queue(BeginSynchronizedUpdate)?.queue(MoveTo(0, 0))?;
// Header
stdout.write_all(b" Current State Name")?;
stdout.write_all(&SPACE[..self.name_col_width - 2])?;
stdout.write_all(b"Path")?;
next_ln_overwrite(stdout)?;
let mut writer = MaxLenWriter::new(stdout, self.term_width as usize);
writer.write_ascii(b" Current State Name")?;
writer.write_ascii(&SPACE[..self.name_col_width - 2])?;
writer.write_ascii(b"Path")?;
next_ln(stdout)?;
// Rows
let iter = self.app_state.exercises().iter().enumerate();
@@ -237,7 +234,7 @@ impl<'a> ListState<'a> {
next_ln(stdout)?;
progress_bar(
stdout,
&mut MaxLenWriter::new(stdout, self.term_width as usize),
self.app_state.n_done(),
self.app_state.exercises().len() as u16,
self.term_width,
@@ -247,59 +244,55 @@ impl<'a> ListState<'a> {
stdout.write_all(&self.separator_line)?;
next_ln(stdout)?;
let mut writer = MaxLenWriter::new(stdout, self.term_width as usize);
if self.message.is_empty() {
// Help footer message
if self.selected_row.is_some() {
stdout.write_all(
"↓/j ↑/k home/g end/G | <c>ontinue at | <r>eset exercise".as_bytes(),
)?;
writer.write_str("↓/j ↑/k home/g end/G | <c>ontinue at | <r>eset exercise")?;
if self.narrow_term {
next_ln_overwrite(stdout)?;
stdout.write_all(b"filter ")?;
next_ln(stdout)?;
writer = MaxLenWriter::new(stdout, self.term_width as usize);
writer.write_ascii(b"filter ")?;
} else {
stdout.write_all(b" | filter ")?;
writer.write_ascii(b" | filter ")?;
}
} else {
// Nothing selected (and nothing shown), so only display filter and quit.
stdout.write_all(b"filter ")?;
writer.write_ascii(b"filter ")?;
}
match self.filter {
Filter::Done => {
stdout
writer
.stdout
.queue(SetForegroundColor(Color::Magenta))?
.queue(SetAttribute(Attribute::Underlined))?;
stdout.write_all(b"<d>one")?;
stdout.queue(ResetColor)?;
stdout.write_all(b"/<p>ending")?;
writer.write_ascii(b"<d>one")?;
writer.stdout.queue(ResetColor)?;
writer.write_ascii(b"/<p>ending")?;
}
Filter::Pending => {
stdout.write_all(b"<d>one/")?;
stdout
writer.write_ascii(b"<d>one/")?;
writer
.stdout
.queue(SetForegroundColor(Color::Magenta))?
.queue(SetAttribute(Attribute::Underlined))?;
stdout.write_all(b"<p>ending")?;
stdout.queue(ResetColor)?;
writer.write_ascii(b"<p>ending")?;
writer.stdout.queue(ResetColor)?;
}
Filter::None => stdout.write_all(b"<d>one/<p>ending")?,
Filter::None => writer.write_ascii(b"<d>one/<p>ending")?,
}
stdout.write_all(b" | <q>uit list")?;
if self.narrow_term {
next_ln_overwrite(stdout)?;
} else {
next_ln(stdout)?;
}
writer.write_ascii(b" | <q>uit list")?;
} else {
stdout.queue(SetForegroundColor(Color::Magenta))?;
stdout.write_all(self.message.as_bytes())?;
writer.stdout.queue(SetForegroundColor(Color::Magenta))?;
writer.write_str(&self.message)?;
stdout.queue(ResetColor)?;
next_ln_overwrite(stdout)?;
if self.narrow_term {
next_ln(stdout)?;
}
next_ln(stdout)?;
}
next_ln(stdout)?;
}
stdout.queue(EndSynchronizedUpdate)?.flush()