nvrim/
layout.rs

1use nvim_oxi::Dictionary;
2use nvim_oxi::api::Buffer;
3use nvim_oxi::api::opts::CreateAutocmdOpts;
4use serde::Deserialize;
5use ytil_noxi::mru_buffers::BufferKind;
6
7/// [`Dictionary`] of Rust tests utilities.
8pub fn dict() -> Dictionary {
9    dict! {
10        "focus_vsplit": fn_from!(focus_vsplit),
11        "smart_close_buffer": fn_from!(smart_close_buffer),
12        "toggle_alternate_buffer": fn_from!(toggle_alternate_buffer),
13    }
14}
15
16pub fn create_autocmd() {
17    crate::cmds::create_autocmd(
18        ["BufEnter", "WinEnter", "TermOpen"],
19        "TerminalAutoInsertMode",
20        CreateAutocmdOpts::builder()
21            .patterns(["term://*"])
22            .command("startinsert"),
23    );
24}
25
26#[derive(Clone, Copy, Deserialize)]
27#[serde(rename_all(deserialize = "snake_case"))]
28pub enum SplitKind {
29    Term,
30    Buffer,
31}
32
33impl SplitKind {
34    pub const fn is_term(self) -> bool {
35        match self {
36            Self::Term => true,
37            Self::Buffer => false,
38        }
39    }
40}
41
42ytil_noxi::impl_nvim_deserializable!(SplitKind);
43
44fn focus_vsplit((split_kind, width_perc): (SplitKind, i32)) -> Option<()> {
45    // Single MRU fetch - source of truth for all terminal buffer lookups.
46    let mru_bufs = ytil_noxi::mru_buffers::get().unwrap_or_default();
47    let term_bufs: Vec<Buffer> = mru_bufs.iter().filter(|b| b.is_term()).map(Buffer::from).collect();
48
49    let current_buf = nvim_oxi::api::get_current_buf();
50
51    let is_term = split_kind.is_term();
52
53    // If current buffer IS terminal OR file buffer (based on the supplied `term` value).
54    if (is_term && term_bufs.contains(&current_buf)) || (!is_term && !term_bufs.contains(&current_buf)) {
55        ytil_noxi::common::exec_vim_script("only", None)?;
56        return Some(());
57    }
58
59    // Prioritize fzf-lua floating windows over underlying splits.
60    if !is_term && let Some(float_win) = ytil_noxi::window::find_focusable_float(&["fzf"]) {
61        ytil_noxi::window::set_current(&float_win)?;
62        return Some(());
63    }
64
65    // If there is a VISIBLE terminal OR file buffer (based on the supplied `term` value).
66    // Floating windows (e.g. fidget notifications) are excluded so they don't capture focus.
67    if let Some(win) = nvim_oxi::api::list_wins().find(|win| {
68        !ytil_noxi::window::is_floating(win)
69            && ytil_noxi::window::get_buffer(win)
70                .is_some_and(|buf| (is_term && term_bufs.contains(&buf)) || (!is_term && !term_bufs.contains(&buf)))
71    }) {
72        ytil_noxi::window::set_current(&win)?;
73        return Some(());
74    }
75
76    let width = compute_width(width_perc)?;
77    let (leftabove, split_new_cmd) = if is_term { ("leftabove ", "term") } else { ("", "enew") };
78
79    // If there is a NON-VISIBLE listed terminal OR file buffer (based on the supplied `term` value).
80    if let Some(mru_buf) = mru_bufs
81        .iter()
82        .find(|b| (is_term && b.is_term()) || (!is_term && matches!(b.kind, BufferKind::Path | BufferKind::NoName)))
83    {
84        ytil_noxi::common::exec_vim_script(
85            &format!("{leftabove}vsplit | vertical resize {width} | buffer {}", mru_buf.id),
86            None,
87        );
88        return Some(());
89    }
90
91    // If there is NO terminal buffer OR file buffer at all (based on the supplied `term` value).
92    ytil_noxi::common::exec_vim_script(
93        &format!("{leftabove}vsplit | vertical resize {width} | {split_new_cmd}"),
94        None,
95    );
96
97    Some(())
98}
99
100fn toggle_alternate_buffer(_: ()) -> Option<()> {
101    // Single MRU fetch: "ls t" returns listed buffers in most-recently-used order.
102    // The first entry is the current buffer, so skip it and find the first file buffer.
103    let mru_bufs = ytil_noxi::mru_buffers::get().unwrap_or_default();
104
105    if let Some(target) = mru_bufs.iter().skip(1).find(|b| matches!(b.kind, BufferKind::Path)) {
106        ytil_noxi::buffer::set_current(&Buffer::from(target))?;
107    }
108
109    Some(())
110}
111
112fn smart_close_buffer(force_close: Option<bool>) -> Option<()> {
113    let mru_buffers = ytil_noxi::mru_buffers::get()?;
114
115    let Some(current_buffer) = mru_buffers.first() else {
116        return Some(());
117    };
118
119    let force = if force_close.is_some_and(std::convert::identity) {
120        "!"
121    } else {
122        ""
123    };
124
125    match current_buffer.kind {
126        BufferKind::Term | BufferKind::NoName => return Some(()),
127        BufferKind::GrugFar => {}
128        BufferKind::Path => {
129            let new_current_buffer = if let Some(mru_buffer) = mru_buffers.get(1)
130                && matches!(mru_buffer.kind, BufferKind::Path | BufferKind::NoName)
131            {
132                Buffer::from(mru_buffer.id)
133            } else {
134                ytil_noxi::buffer::create()?
135            };
136
137            ytil_noxi::buffer::set_current(&new_current_buffer)?;
138        }
139    }
140
141    ytil_noxi::common::exec_vim_script(&format!("bd{force} {}", current_buffer.id), Option::default())?;
142
143    Some(())
144}
145
146pub fn compute_width(perc: i32) -> Option<i32> {
147    let total_width: i32 = crate::vim_opts::get("columns", &crate::vim_opts::global_scope())?;
148    Some((total_width.saturating_mul(perc)) / 100)
149}
nvrim/layout.rs

nvrim/
layout.rs
