yazi_core/tab/
tab.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
use std::iter;

use anyhow::Result;
use ratatui::layout::Rect;
use tokio::task::JoinHandle;
use yazi_adapter::Dimension;
use yazi_config::{LAYOUT, popup::{Origin, Position}};
use yazi_fs::{File, FolderStage};
use yazi_macro::render;
use yazi_shared::{Id, Ids, url::Url};

use super::{Backstack, Finder, Folder, History, Mode, Preference, Preview};
use crate::{spot::Spot, tab::Selected};

pub struct Tab {
	pub id:      Id,
	pub mode:    Mode,
	pub pref:    Preference,
	pub current: Folder,
	pub parent:  Option<Folder>,

	pub backstack: Backstack<Url>,
	pub history:   History,
	pub selected:  Selected,

	pub spot:    Spot,
	pub preview: Preview,
	pub finder:  Option<Finder>,
	pub search:  Option<JoinHandle<Result<()>>>,
}

impl Default for Tab {
	fn default() -> Self {
		static IDS: Ids = Ids::new();

		Self {
			id:      IDS.next(),
			mode:    Default::default(),
			pref:    Default::default(),
			current: Default::default(),
			parent:  Default::default(),

			backstack: Default::default(),
			history:   Default::default(),
			selected:  Default::default(),

			spot:    Default::default(),
			preview: Default::default(),
			finder:  Default::default(),
			search:  Default::default(),
		}
	}
}

impl Tab {
	pub fn shutdown(&mut self) {
		self.search.take().map(|h| h.abort());
		self.preview.reset();
	}
}

impl Tab {
	// --- Current
	#[inline]
	pub fn cwd(&self) -> &Url { &self.current.url }

	#[inline]
	pub fn hovered(&self) -> Option<&File> { self.current.hovered() }

	pub fn hovered_rect(&self) -> Option<Rect> {
		let y = self.current.files.position(self.hovered()?.urn())? - self.current.offset;

		let mut rect = LAYOUT.get().current;
		rect.y = rect.y.saturating_sub(1) + y as u16;
		rect.height = 1;
		Some(rect)
	}

	pub fn hovered_rect_based(&self, pos: Position) -> Rect {
		let ws = Dimension::available();
		if let Some(r) = self.hovered_rect() {
			Position::sticky(ws, r, pos.offset)
		} else {
			Position::new(Origin::TopCenter, pos.offset).rect(ws)
		}
	}

	pub fn selected_or_hovered(&self) -> Box<dyn Iterator<Item = &Url> + '_> {
		if self.selected.is_empty() {
			Box::new(self.hovered().map(|h| vec![&h.url]).unwrap_or_default().into_iter())
		} else {
			Box::new(self.selected.keys())
		}
	}

	pub fn hovered_and_selected(&self) -> Box<dyn Iterator<Item = &Url> + '_> {
		let Some(h) = self.hovered() else { return Box::new(iter::empty()) };
		if self.selected.is_empty() {
			Box::new([&h.url, &h.url].into_iter())
		} else {
			Box::new([&h.url].into_iter().chain(self.selected.keys()))
		}
	}

	// --- History
	#[inline]
	pub fn hovered_folder(&self) -> Option<&Folder> {
		self.hovered().filter(|&h| h.is_dir()).and_then(|h| self.history.get(&h.url))
	}

	pub fn apply_files_attrs(&mut self) {
		let apply = |f: &mut Folder| {
			if f.stage == FolderStage::Loading {
				return render!();
			}

			f.files.set_show_hidden(self.pref.show_hidden);
			f.files.set_sorter(<_>::from(&self.pref));

			render!(f.files.catchup_revision());
			render!(f.repos(f.trace.clone()));
		};

		apply(&mut self.current);

		if let Some(parent) = &mut self.parent {
			apply(parent);
			parent.hover(self.current.url.urn()); // The parent should always track the CWD
		}

		self
			.current
			.hovered()
			.filter(|h| h.is_dir())
			.and_then(|h| self.history.get_mut(&h.url))
			.map(apply);
	}
}