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|
use crate::interactive::{
widgets::{
Entries, EntriesProps, Footer, FooterProps, Header, HelpPane, HelpPaneProps, MarkPane,
MarkPaneProps, COLOR_MARKED,
},
AppState, DisplayOptions, FocussedPane,
};
use dua::traverse::Traversal;
use std::borrow::Borrow;
use tui::{
buffer::Buffer,
layout::{Constraint, Direction, Layout, Rect},
style::Modifier,
style::{Color, Style},
};
use Constraint::*;
use FocussedPane::*;
pub struct MainWindowProps<'a> {
pub traversal: &'a Traversal,
pub display: DisplayOptions,
pub state: &'a AppState,
}
#[derive(Default)]
pub struct MainWindow {
pub help_pane: Option<HelpPane>,
pub entries_pane: Entries,
pub mark_pane: Option<MarkPane>,
}
impl MainWindow {
pub fn render<'a>(
&mut self,
props: impl Borrow<MainWindowProps<'a>>,
area: Rect,
buf: &mut Buffer,
) {
let MainWindowProps {
traversal:
Traversal {
tree,
entries_traversed,
total_bytes,
..
},
display,
state,
} = props.borrow();
let (entries_style, help_style, mark_style) = {
let grey = Style {
fg: Color::DarkGray,
bg: Color::Reset,
modifier: Modifier::empty(),
};
let bold = Style {
fg: Color::Rgb(230, 230, 230),
modifier: Modifier::BOLD,
..grey
};
match state.focussed {
Main => (bold, grey, grey),
Help => (grey, bold, grey),
Mark => (grey, grey, bold),
}
};
let (header_area, entries_area, footer_area) = {
let regions = Layout::default()
.direction(Direction::Vertical)
.constraints([Length(1), Max(256), Length(1)].as_ref())
.split(area);
(regions[0], regions[1], regions[2])
};
{
let marked = self.mark_pane.as_ref().map(|p| p.marked());
let bg_color = match (marked.map_or(true, |m| m.is_empty()), state.focussed) {
(false, FocussedPane::Mark) => Color::LightRed,
(false, _) => COLOR_MARKED,
(_, _) => Color::White,
};
Header.render(bg_color, header_area, buf);
}
let (entries_area, help_pane, mark_pane) = {
let regions = Layout::default()
.direction(Direction::Horizontal)
.constraints([Percentage(50), Percentage(50)].as_ref())
.split(entries_area);
let (left_pane, right_pane) = (regions[0], regions[1]);
match (&mut self.help_pane, &mut self.mark_pane) {
(Some(ref mut pane), None) => (left_pane, Some((right_pane, pane)), None),
(None, Some(ref mut pane)) => (left_pane, None, Some((right_pane, pane))),
(Some(ref mut help), Some(ref mut mark)) => {
let regions = Layout::default()
.direction(Direction::Vertical)
.constraints([Percentage(50), Percentage(50)].as_ref())
.split(right_pane);
(
left_pane,
Some((regions[0], help)),
Some((regions[1], mark)),
)
}
(None, None) => (entries_area, None, None),
}
};
if let Some((mark_area, pane)) = mark_pane {
let props = MarkPaneProps {
border_style: mark_style,
format: display.byte_format,
};
pane.render(props, mark_area, buf);
}
if let Some((help_area, pane)) = help_pane {
let props = HelpPaneProps {
border_style: help_style,
has_focus: if let Help = state.focussed {
true
} else {
false
},
};
pane.render(props, help_area, buf);
}
let marked = self.mark_pane.as_ref().map(|p| p.marked());
let props = EntriesProps {
tree: &tree,
root: state.root,
display: *display,
entries: &state.entries,
marked,
selected: state.selected,
border_style: entries_style,
is_focussed: if let Main = state.focussed {
true
} else {
false
},
};
self.entries_pane.render(props, entries_area, buf);
Footer.render(
FooterProps {
total_bytes: *total_bytes,
format: display.byte_format,
entries_traversed: *entries_traversed,
message: state.message.clone(),
},
footer_area,
buf,
);
}
}
|
