File picker mockup, reuses the line editor work done on Prompt.

pull/7/head
Blaž Hrastnik 4 years ago
parent ed60866c54
commit 7c75ec04e8

86
Cargo.lock generated

@ -181,6 +181,15 @@ dependencies = [
"once_cell",
]
[[package]]
name = "bstr"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "473fc6b38233f9af7baa94fb5852dca389e3d95b8e21c8e3719301462c5d9faf"
dependencies = [
"memchr",
]
[[package]]
name = "cache-padded"
version = "1.1.1"
@ -339,6 +348,12 @@ dependencies = [
"log",
]
[[package]]
name = "fnv"
version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
[[package]]
name = "form_urlencoded"
version = "1.0.0"
@ -429,6 +444,15 @@ dependencies = [
"slab",
]
[[package]]
name = "fuzzy-matcher"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "54614a3312934d066701a80f20f15fa3b56d67ac7722b39eea5b4c9dd1d66c94"
dependencies = [
"thread_local",
]
[[package]]
name = "getrandom"
version = "0.1.15"
@ -446,6 +470,19 @@ version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
[[package]]
name = "globset"
version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c152169ef1e421390738366d2f796655fec62621dabbd0fd476f905934061e4a"
dependencies = [
"aho-corasick",
"bstr",
"fnv",
"log",
"regex",
]
[[package]]
name = "hashbrown"
version = "0.9.1"
@ -508,9 +545,11 @@ dependencies = [
"crossterm",
"fern",
"futures-util",
"fuzzy-matcher",
"helix-core",
"helix-lsp",
"helix-view",
"ignore",
"log",
"num_cpus",
"once_cell",
@ -551,6 +590,24 @@ dependencies = [
"unicode-normalization",
]
[[package]]
name = "ignore"
version = "0.4.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b287fb45c60bb826a0dc68ff08742b9d88a2fea13d6e0c286b3172065aaf878c"
dependencies = [
"crossbeam-utils",
"globset",
"lazy_static",
"log",
"memchr",
"regex",
"same-file",
"thread_local",
"walkdir",
"winapi-util",
]
[[package]]
name = "indexmap"
version = "1.6.0"
@ -929,6 +986,15 @@ version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
[[package]]
name = "same-file"
version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
dependencies = [
"winapi-util",
]
[[package]]
name = "scopeguard"
version = "1.1.0"
@ -1228,6 +1294,17 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
[[package]]
name = "walkdir"
version = "2.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
dependencies = [
"same-file",
"winapi",
"winapi-util",
]
[[package]]
name = "wasi"
version = "0.9.0+wasi-snapshot-preview1"
@ -1265,6 +1342,15 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
dependencies = [
"winapi",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"

@ -32,3 +32,7 @@ futures-util = "0.3"
fern = "0.6"
chrono = "0.4"
log = "0.4"
# File picker
fuzzy-matcher = "0.3"
ignore = "0.4"

@ -10,7 +10,7 @@ use helix_core::{
use once_cell::sync::Lazy;
use crate::compositor::Compositor;
use crate::ui::{Prompt, PromptEvent};
use crate::ui::{self, Prompt, PromptEvent};
use helix_view::{
document::Mode,
@ -456,6 +456,12 @@ pub fn command_mode(cx: &mut Context) {
compositor.push(Box::new(prompt));
}));
}
pub fn file_picker(cx: &mut Context) {
cx.callback = Some(Box::new(|compositor: &mut Compositor| {
let picker = ui::Picker::new();
compositor.push(Box::new(picker));
}));
}
// calculate line numbers for each selection range
fn selection_lines(state: &State) -> Vec<usize> {

@ -183,6 +183,8 @@ pub fn default() -> Keymaps {
}] => commands::page_down,
vec![ctrl!('u')] => commands::half_page_up,
vec![ctrl!('d')] => commands::half_page_down,
vec![ctrl!('p')] => commands::file_picker,
),
Mode::Insert => hashmap!(
vec![Key {

@ -1,7 +1,9 @@
mod editor;
mod picker;
mod prompt;
pub use editor::EditorView;
pub use picker::Picker;
pub use prompt::{Prompt, PromptEvent};
pub use tui::layout::Rect;

@ -0,0 +1,205 @@
use crate::compositor::{Component, Compositor, Context, EventResult};
use crossterm::event::{Event, KeyCode, KeyEvent, KeyModifiers};
use tui::buffer::Buffer as Surface;
use tui::{
layout::Rect,
style::{Color, Style},
widgets::{Block, Borders},
};
use fuzzy_matcher::skim::SkimMatcherV2 as Matcher;
use fuzzy_matcher::FuzzyMatcher;
use ignore::Walk;
use std::path::PathBuf;
use crate::ui::{Prompt, PromptEvent};
use helix_core::Position;
use helix_view::Editor;
pub struct Picker {
files: Vec<PathBuf>,
// filter: String,
matcher: Box<Matcher>,
cursor: usize,
// pattern: String,
prompt: Prompt,
}
impl Picker {
pub fn new() -> Self {
let files = Walk::new("./").filter_map(|entry| match entry {
Ok(entry) => {
// filter dirs, but we might need special handling for symlinks!
if !entry.file_type().unwrap().is_dir() {
Some(entry.into_path())
} else {
None
}
}
Err(_err) => None,
});
let prompt = Prompt::new(
"".to_string(),
|pattern: &str| Vec::new(),
|editor: &mut Editor, pattern: &str, event: PromptEvent| {
//
},
);
const MAX: usize = 1024;
Self {
files: files.take(MAX).collect(),
matcher: Box::new(Matcher::default()),
cursor: 0,
prompt,
}
}
pub fn score(&mut self, pattern: &str) {
self.files.iter().filter_map(|path| match path.to_str() {
// TODO: using fuzzy_indices could give us the char idx for match highlighting
Some(path) => (self.matcher.fuzzy_match(path, pattern)),
None => None,
});
}
pub fn move_up(&mut self) {
self.cursor = self.cursor.saturating_sub(1);
}
pub fn move_down(&mut self) {
// TODO: len - 1
if self.cursor < self.files.len() {
self.cursor += 1;
}
}
}
// process:
// - read all the files into a list, maxed out at a large value
// - on input change:
// - score all the names in relation to input
impl Component for Picker {
fn handle_event(&mut self, event: Event, cx: &mut Context) -> EventResult {
let key_event = match event {
Event::Key(event) => event,
Event::Resize(..) => return EventResult::Consumed(None),
_ => return EventResult::Ignored,
};
let close_fn = EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
// remove the layer
compositor.pop();
})));
match key_event {
// KeyEvent {
// code: KeyCode::Char(c),
// modifiers: KeyModifiers::NONE,
// } => {
// self.insert_char(c);
// (self.callback_fn)(cx.editor, &self.line, PromptEvent::Update);
// }
KeyEvent {
code: KeyCode::Up, ..
}
| KeyEvent {
code: KeyCode::Char('k'),
modifiers: KeyModifiers::CONTROL,
} => self.move_up(),
KeyEvent {
code: KeyCode::Down,
..
}
| KeyEvent {
code: KeyCode::Char('j'),
modifiers: KeyModifiers::CONTROL,
} => self.move_down(),
KeyEvent {
code: KeyCode::Esc, ..
} => {
return close_fn;
}
_ => return self.prompt.handle_event(event, cx),
}
EventResult::Consumed(None)
}
fn render(&self, area: Rect, surface: &mut Surface, cx: &mut Context) {
let padding_vertical = area.height * 20 / 100;
let padding_horizontal = area.width * 20 / 100;
let area = Rect::new(
area.x + padding_horizontal,
area.y + padding_vertical,
area.width - padding_horizontal * 2,
area.height - padding_vertical * 2,
);
// -- Render the frame:
// clear area
for y in area.top()..area.bottom() {
for x in area.left()..area.right() {
surface.get_mut(x, y).reset()
}
}
use tui::widgets::Widget;
// don't like this but the lifetime sucks
let block = Block::default().borders(Borders::ALL);
// calculate the inner area inside the box
let inner = block.inner(area);
block.render(area, surface);
// TODO: abstract into a clear(area) fn
// surface.set_style(inner, Style::default().bg(Color::Rgb(150, 50, 0)));
// -- Render the input bar:
let area = Rect::new(inner.x + 1, inner.y, inner.width - 1, 1);
self.prompt.render(area, surface, cx);
// -- Separator
use tui::widgets::BorderType;
let style = Style::default().fg(Color::Rgb(90, 89, 119));
let symbols = BorderType::line_symbols(BorderType::Plain);
for x in inner.left()..inner.right() {
surface
.get_mut(x, inner.y + 1)
.set_symbol(symbols.horizontal)
.set_style(style);
}
// -- Render the contents:
let style = Style::default().fg(Color::Rgb(164, 160, 232)); // lavender
let selected = Style::default().fg(Color::Rgb(255, 255, 255));
let rows = inner.height - 2; // -1 for search bar
for (i, file) in self.files.iter().take(rows as usize).enumerate() {
if i == self.cursor {
surface.set_string(inner.x + 1, inner.y + 2 + i as u16, ">", selected);
}
surface.set_stringn(
inner.x + 3,
inner.y + 2 + i as u16,
file.strip_prefix("./").unwrap().to_str().unwrap(), // TODO: render paths without ./
inner.width as usize - 1,
if i == self.cursor { selected } else { style },
);
}
}
fn cursor_position(&self, area: Rect, ctx: &mut Context) -> Option<Position> {
self.prompt.cursor_position(area, ctx)
}
}

@ -149,8 +149,13 @@ impl Prompt {
}
let line = area.height - 1;
// render buffer text
surface.set_string(0, line, &self.prompt, text_color);
surface.set_string(self.prompt.len() as u16, line, &self.line, text_color);
surface.set_string(area.x, area.y + line, &self.prompt, text_color);
surface.set_string(
area.x + self.prompt.len() as u16,
area.y + line,
&self.line,
text_color,
);
}
}
@ -158,6 +163,7 @@ impl Component for Prompt {
fn handle_event(&mut self, event: Event, cx: &mut Context) -> EventResult {
let event = match event {
Event::Key(event) => event,
Event::Resize(..) => return EventResult::Consumed(None),
_ => return EventResult::Ignored,
};

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