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|
use {
crate::{
display::{cond_bg, CropWriter},
errors::ProgramError,
filesystems::share_color,
skin::StyleMap,
},
crossterm::{
style::{ResetColor, SetBackgroundColor, SetForegroundColor},
QueueableCommand,
},
lfs_core::Mount,
termimad::ProgressBar,
};
/// an abstract of the space info relative to a block device.
/// It's supposed to be shown on top of screen next to the root.
pub struct MountSpaceDisplay<'m, 's> {
mount: &'m Mount,
skin: &'s StyleMap,
pub available_width: usize,
}
impl<'m, 's> MountSpaceDisplay<'m, 's> {
pub fn from(mount: &'m Mount, skin: &'s StyleMap, available_width: usize) -> Self {
Self {
mount,
skin,
available_width,
}
}
pub fn write<'w, W>(
&self,
cw: &mut CropWriter<'w, W>,
selected: bool,
) -> Result<(), ProgramError>
where
W: std::io::Write,
{
if self.available_width < 4 {
return Ok(());
}
let bg = if selected {
self.skin.selected_line.get_bg()
} else {
self.skin.default.get_bg()
};
cond_bg!(txt_style, self, selected, self.skin.default);
let w_fs = self.mount.info.fs.chars().count();
if let Some(s) = &self.mount.stats {
//- width computation
let mut e_fs = false;
let dsk = self.mount.disk.as_ref().map_or("", |d| d.disk_type());
let w_dsk = dsk.chars().count();
let mut e_dsk = false;
let w_fraction = 9;
let mut e_fraction = false;
let mut w_bar = 2; // min width
let mut e_bar = false;
let w_percent = 4;
let mut rem = self.available_width - w_percent;
let share_color = share_color(s.use_share());
if rem > 1 {
// left margin for readability
rem -= 1;
cw.queue_char(&txt_style, ' ')?;
}
if rem > w_fs {
rem -= w_fs + 1; // 1 for margin
e_fs = true;
}
if rem > w_fraction {
rem -= w_fraction + 1;
e_fraction = true;
}
if rem > w_bar {
rem -= w_bar + 1;
e_bar = true;
}
if rem > w_dsk && w_dsk > 0 {
rem -= w_dsk + 1;
e_dsk = true;
}
if e_bar && rem > 0 {
w_bar += rem.min(7);
}
//- display
if e_fs {
cw.queue_g_string(&txt_style, format!(" {}", &self.mount.info.fs))?;
}
if e_dsk {
cw.queue_char(&txt_style, ' ')?;
cw.queue_g_string(&txt_style, dsk.to_string())?;
}
if e_fraction {
if let Some(bg_color) = bg {
cw.w.queue(SetBackgroundColor(bg_color))?;
} else {
cw.w.queue(ResetColor {})?;
}
cw.w.queue(SetForegroundColor(share_color))?;
cw.queue_unstyled_char(' ')?;
cw.queue_unstyled_g_string(file_size::fit_4(s.used()))?;
cw.queue_g_string(&txt_style, format!("/{}", file_size::fit_4(s.size())))?;
}
if e_bar {
let pb = ProgressBar::new(s.use_share() as f32, w_bar);
cw.w.queue(ResetColor {})?;
if let Some(bg_color) = bg {
cw.w.queue(SetBackgroundColor(bg_color))?;
}
cw.queue_unstyled_char(' ')?;
cw.w.queue(SetBackgroundColor(share_color))?;
cw.queue_unstyled_g_string(format!("{:<width$}", pb, width = w_bar))?;
}
if let Some(bg_color) = bg {
cw.w.queue(SetBackgroundColor(bg_color))?;
} else {
cw.w.queue(ResetColor {})?;
}
cw.w.queue(SetForegroundColor(share_color))?;
cw.queue_unstyled_g_string(format!("{:>3.0}%", 100.0 * s.use_share()))?;
} else {
// there's not much to print if there's no size info
cw.queue_g_string(&txt_style, format!(" {}", &self.mount.info.fs))?;
}
cw.w.queue(ResetColor {})?;
Ok(())
}
}
|
