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authorBlaž Hrastnik2020-12-18 10:24:50 +0000
committerGitHub2020-12-18 10:24:50 +0000
commit3f0dbfcac878131167953b6f57c923a5bc889e80 (patch)
tree41b876f9bb067e5f199fe53ecb78eeb57d09719b
parentb12a6dc8303bbc1b4b08a9abb4668741d154adbd (diff)
parent25aa45e76c9bec62f36a59768298e1f2ea2678bf (diff)
Merge pull request #7 from helix-editor/interactive-split-select
File picker/interactive split prompt
-rw-r--r--Cargo.lock149
-rw-r--r--helix-lsp/Cargo.toml9
-rw-r--r--helix-term/Cargo.toml4
-rw-r--r--helix-term/src/commands.rs81
-rw-r--r--helix-term/src/compositor.rs2
-rw-r--r--helix-term/src/keymap.rs3
-rw-r--r--helix-term/src/ui/editor.rs2
-rw-r--r--helix-term/src/ui/helix.log0
-rw-r--r--helix-term/src/ui/mod.rs36
-rw-r--r--helix-term/src/ui/picker.rs258
-rw-r--r--helix-term/src/ui/prompt.rs61
-rw-r--r--helix-view/src/document.rs9
12 files changed, 572 insertions, 42 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 1c8c86c7..7d94a38b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -182,6 +182,15 @@ dependencies = [
]
[[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"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -340,6 +349,12 @@ dependencies = [
]
[[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"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -361,9 +376,28 @@ dependencies = [
[[package]]
name = "futures"
-version = "0.1.30"
+version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7e4c2612746b0df8fed4ce0c69156021b704c9aefa360311c04e6e9e002eed"
+checksum = "9b3b0c040a1fe6529d30b3c5944b280c7f0dcb2930d2c3062bca967b602583d0"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b7109687aa4e177ef6fe84553af6280ef2778bdb7783ba44c9dc3399110fe64"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
[[package]]
name = "futures-core"
@@ -372,6 +406,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "847ce131b72ffb13b6109a221da9ad97a64cbe48feb1028356b836b47b8f1748"
[[package]]
+name = "futures-executor"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4caa2b2b68b880003057c1dd49f1ed937e38f22fcf6c212188a121f08cf40a65"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
name = "futures-io"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -405,6 +450,12 @@ dependencies = [
]
[[package]]
+name = "futures-sink"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f878195a49cee50e006b02b93cf7e0a95a38ac7b776b4c4d9cc1207cd20fcb3d"
+
+[[package]]
name = "futures-task"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -419,9 +470,13 @@ version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d304cff4a7b99cfb7986f7d43fbe93d175e72e704a8860787cc95e9ffd85cbd2"
dependencies = [
+ "futures-channel",
"futures-core",
+ "futures-io",
"futures-macro",
+ "futures-sink",
"futures-task",
+ "memchr",
"pin-project",
"pin-utils",
"proc-macro-hack",
@@ -430,6 +485,15 @@ dependencies = [
]
[[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"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -447,6 +511,19 @@ 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"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -508,9 +585,11 @@ dependencies = [
"crossterm",
"fern",
"futures-util",
+ "fuzzy-matcher",
"helix-core",
"helix-lsp",
"helix-view",
+ "ignore",
"log",
"num_cpus",
"once_cell",
@@ -552,10 +631,28 @@ dependencies = [
]
[[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"
+version = "1.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
+checksum = "4fb1fa934250de4de8aef298d81c729a7d33d8c239daa3a7575e6b92bfc7313b"
dependencies = [
"autocfg",
"hashbrown",
@@ -587,9 +684,9 @@ dependencies = [
[[package]]
name = "jsonrpc-core"
-version = "15.1.0"
+version = "16.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0745a6379e3edc893c84ec203589790774e4247420033e71a76d3ab4687991fa"
+checksum = "6a47c4c3ac843f9a4238943f97620619033dadef4b378cd1e8addd170de396b3"
dependencies = [
"futures",
"log",
@@ -630,9 +727,9 @@ dependencies = [
[[package]]
name = "lsp-types"
-version = "0.84.0"
+version = "0.85.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b95be71fe205e44de754185bcf86447b65813ce1ceb298f8d3793ade5fff08d"
+checksum = "857650f3e83fb62f89d15410414e0ed7d0735445020da398d37f65d20a5423b9"
dependencies = [
"base64 0.12.3",
"bitflags",
@@ -930,6 +1027,15 @@ 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"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1038,13 +1144,12 @@ dependencies = [
[[package]]
name = "socket2"
-version = "0.3.17"
+version = "0.3.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902"
+checksum = "97e0e9fd577458a4f61fb91fcb559ea2afecc54c934119421f9f5d3d5b1a1057"
dependencies = [
"cfg-if 1.0.0",
"libc",
- "redox_syscall",
"winapi",
]
@@ -1146,7 +1251,7 @@ dependencies = [
[[package]]
name = "tui"
version = "0.13.0"
-source = "git+https://github.com/fdehau/tui-rs#74243394d90ea1316b6bedac6c9e4f26971c76b6"
+source = "git+https://github.com/fdehau/tui-rs#eb1e3be7228509e42cbcbaef610e6bd5c5f64ba6"
dependencies = [
"bitflags",
"cassowary",
@@ -1229,6 +1334,17 @@ 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"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1266,6 +1382,15 @@ 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"
source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/helix-lsp/Cargo.toml b/helix-lsp/Cargo.toml
index 2ecd0cc1..d22d8636 100644
--- a/helix-lsp/Cargo.toml
+++ b/helix-lsp/Cargo.toml
@@ -9,9 +9,10 @@ edition = "2018"
[dependencies]
helix-core = { path = "../helix-core" }
helix-view = { path = "../helix-view" }
+
once_cell = "1.4"
-lsp-types = { version = "0.84", features = ["proposed"] }
+lsp-types = { version = "0.85", features = ["proposed"] }
smol = "1.2"
url = "2"
pathdiff = "0.2"
@@ -20,7 +21,7 @@ glob = "0.3"
anyhow = "1"
serde_json = "1.0"
serde = { version = "1.0", features = ["derive"] }
-jsonrpc-core = "15.1"
+jsonrpc-core = "16.0"
futures-util = "0.3"
-thiserror = "1"
-log = "0.4"
+thiserror = "1.0"
+log = "~0.4"
diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index b8eea7c2..645ed155 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -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"
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index b345d2e8..5f8f63f1 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -10,7 +10,7 @@ use helix_core::{
use once_cell::sync::Lazy;
use crate::compositor::Compositor;
-use crate::ui::Prompt;
+use crate::ui::{self, Prompt, PromptEvent};
use helix_view::{
document::Mode,
@@ -248,6 +248,60 @@ pub fn extend_line_down(cx: &mut Context) {
cx.view.doc.set_selection(selection);
}
+pub fn split_selection(cx: &mut Context) {
+ // TODO: this needs to store initial selection state, revert on esc, confirm on enter
+ // needs to also call the callback function per input change, not just final time.
+ // could cheat and put it into completion_fn
+ //
+ // kakoune does it like this:
+ // # save state to register
+ // {
+ // # restore state from register
+ // # if event == abort, return early
+ // # add to history if enabled
+ // # update state
+ // }
+
+ let snapshot = cx.view.doc.state.clone();
+
+ let prompt = Prompt::new(
+ "split:".to_string(),
+ |input: &str| Vec::new(), // this is fine because Vec::new() doesn't allocate
+ move |editor: &mut Editor, input: &str, event: PromptEvent| {
+ match event {
+ PromptEvent::Abort => {
+ // revert state
+ let view = editor.view_mut().unwrap();
+ view.doc.state = snapshot.clone();
+ }
+ PromptEvent::Validate => {
+ //
+ }
+ PromptEvent::Update => {
+ match Regex::new(input) {
+ Ok(regex) => {
+ let view = editor.view_mut().unwrap();
+
+ // revert state to what it was before the last update
+ view.doc.state = snapshot.clone();
+
+ let text = &view.doc.text().slice(..);
+ let selection =
+ selection::split_on_matches(text, view.doc.selection(), &regex);
+ view.doc.set_selection(selection);
+ }
+ Err(_) => (), // TODO: mark command line as error
+ }
+ }
+ }
+ },
+ );
+
+ cx.callback = Some(Box::new(move |compositor: &mut Compositor| {
+ compositor.push(Box::new(prompt));
+ }));
+}
+
pub fn split_selection_on_newline(cx: &mut Context) {
let text = &cx.view.doc.text().slice(..);
// only compile the regex once
@@ -381,14 +435,33 @@ pub fn command_mode(cx: &mut Context) {
.filter(|command| command.contains(_input))
.collect()
}, // completion
- |editor: &mut Editor, input: &str| match input {
- "q" => editor.should_close = true,
- _ => (),
+ |editor: &mut Editor, input: &str, event: PromptEvent| {
+ if event != PromptEvent::Validate {
+ return;
+ }
+
+ let parts = input.split_ascii_whitespace().collect::<Vec<&str>>();
+
+ match parts.as_slice() {
+ &["q"] => editor.should_close = true,
+ &["o", path] => {
+ // TODO: make view()/view_mut() always contain a view.
+ let size = editor.view().unwrap().size;
+ editor.open(path.into(), size);
+ }
+ _ => (),
+ }
},
);
compositor.push(Box::new(prompt));
}));
}
+pub fn file_picker(cx: &mut Context) {
+ cx.callback = Some(Box::new(|compositor: &mut Compositor| {
+ let picker = ui::file_picker("./");
+ compositor.push(Box::new(picker));
+ }));
+}
// calculate line numbers for each selection range
fn selection_lines(state: &State) -> Vec<usize> {
diff --git a/helix-term/src/compositor.rs b/helix-term/src/compositor.rs
index 2e65f02a..f0d94dbc 100644
--- a/helix-term/src/compositor.rs
+++ b/helix-term/src/compositor.rs
@@ -19,7 +19,7 @@ use smol::Executor;
use tui::buffer::Buffer as Surface;
use tui::layout::Rect;
-pub type Callback = Box<dyn Fn(&mut Compositor)>;
+pub type Callback = Box<dyn FnOnce(&mut Compositor)>;
// --> EventResult should have a callback that takes a context with methods like .popup(),
// .prompt() etc. That way we can abstract it from the renderer.
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index af46f7a4..a31676e4 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -157,6 +157,7 @@ pub fn default() -> Keymaps {
vec![key!('d')] => commands::delete_selection,
vec![key!('c')] => commands::change_selection,
vec![key!('s')] => commands::split_selection_on_newline,
+ vec![shift!('S')] => commands::split_selection,
vec![key!(';')] => commands::collapse_selection,
// TODO should be alt(;)
vec![key!('%')] => commands::flip_selections,
@@ -182,6 +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 {
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index ceb5a442..996e182f 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -226,7 +226,7 @@ impl EditorView {
);
surface.set_string(1, viewport.y, mode, text_color);
- if let Some(path) = view.doc.path() {
+ if let Some(path) = view.doc.relative_path() {
surface.set_string(6, viewport.y, path.to_string_lossy(), text_color);
}
diff --git a/helix-term/src/ui/helix.log b/helix-term/src/ui/helix.log
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/helix-term/src/ui/helix.log
diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs
index bc79e09c..b778f531 100644
--- a/helix-term/src/ui/mod.rs
+++ b/helix-term/src/ui/mod.rs
@@ -1,8 +1,10 @@
mod editor;
+mod picker;
mod prompt;
pub use editor::EditorView;
-pub use prompt::Prompt;
+pub use picker::Picker;
+pub use prompt::{Prompt, PromptEvent};
pub use tui::layout::Rect;
pub use tui::style::{Color, Modifier, Style};
@@ -12,3 +14,35 @@ pub use tui::style::{Color, Modifier, Style};
pub fn text_color() -> Style {
Style::default().fg(Color::Rgb(219, 191, 239)) // lilac
}
+
+use std::path::PathBuf;
+pub fn file_picker(root: &str) -> Picker<PathBuf> {
+ use ignore::Walk;
+ // TODO: determine root based on git root
+ let files = Walk::new(root).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,
+ });
+
+ const MAX: usize = 1024;
+
+ use helix_view::Editor;
+ Picker::new(
+ files.take(MAX).collect(),
+ |path: &PathBuf| {
+ // format_fn
+ path.strip_prefix("./").unwrap().to_str().unwrap() // TODO: render paths without ./
+ },
+ |editor: &mut Editor, path: &PathBuf| {
+ let size = editor.view().unwrap().size;
+ editor.open(path.into(), size);
+ },
+ )
+}
diff --git a/helix-term/src/ui/picker.rs b/helix-term/src/ui/picker.rs
new file mode 100644
index 00000000..0a12cff9
--- /dev/null
+++ b/helix-term/src/ui/picker.rs
@@ -0,0 +1,258 @@
+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 crate::ui::{Prompt, PromptEvent};
+use helix_core::Position;
+use helix_view::Editor;
+
+pub struct Picker<T> {
+ options: Vec<T>,
+ // filter: String,
+ matcher: Box<Matcher>,
+ /// (index, score)
+ matches: Vec<(usize, i64)>,
+
+ cursor: usize,
+ // pattern: String,
+ prompt: Prompt,
+
+ format_fn: Box<dyn Fn(&T) -> &str>,
+ callback_fn: Box<dyn Fn(&mut Editor, &T)>,
+}
+
+impl<T> Picker<T> {
+ pub fn new(
+ options: Vec<T>,
+ format_fn: impl Fn(&T) -> &str + 'static,
+ callback_fn: impl Fn(&mut Editor, &T) + 'static,
+ ) -> Self {
+ let prompt = Prompt::new(
+ "".to_string(),
+ |pattern: &str| Vec::new(),
+ |editor: &mut Editor, pattern: &str, event: PromptEvent| {
+ //
+ },
+ );
+
+ let mut picker = Self {
+ options,
+ matcher: Box::new(Matcher::default()),
+ matches: Vec::new(),
+ cursor: 0,
+ prompt,
+ format_fn: Box::new(format_fn),
+ callback_fn: Box::new(callback_fn),
+ };
+
+ // TODO: scoring on empty input should just use a fastpath
+ picker.score();
+
+ picker
+ }
+
+ pub fn score(&mut self) {
+ // need to borrow via pattern match otherwise it complains about simultaneous borrow
+ let Self {
+ ref mut options,
+ ref mut matcher,
+ ref mut matches,
+ ref format_fn,
+ ..
+ } = *self;
+
+ let pattern = &self.prompt.line;
+
+ // reuse the matches allocation
+ matches.clear();
+ matches.extend(
+ self.options
+ .iter()
+ .enumerate()
+ .filter_map(|(index, option)| {
+ // TODO: maybe using format_fn isn't the best idea here
+ let text = (format_fn)(option);
+ // TODO: using fuzzy_indices could give us the char idx for match highlighting
+ matcher
+ .fuzzy_match(text, pattern)
+ .map(|score| (index, score))
+ }),
+ );
+ matches.sort_unstable_by_key(|(_, score)| -score);
+
+ // reset cursor position
+ self.cursor = 0;
+ }
+
+ 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.options.len() {
+ self.cursor += 1;
+ }
+ }
+
+ pub fn selection(&self) -> Option<&T> {
+ self.matches
+ .get(self.cursor)
+ .map(|(index, _score)| &self.options[*index])
+ }
+}
+
+// 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<T> Component for Picker<T> {
+ 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;
+ }
+ KeyEvent {
+ code: KeyCode::Enter,
+ ..
+ } => {
+ if let Some(option) = self.selection() {
+ (self.callback_fn)(&mut cx.editor, option);
+ }
+ return close_fn;
+ }
+ _ => {
+ match self.prompt.handle_event(event, cx) {
+ EventResult::Consumed(_) => {
+ // TODO: recalculate only if pattern changed
+ self.score();
+ }
+ _ => (),
+ }
+ }
+ }
+
+ 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
+
+ let files = self.matches.iter().map(|(index, _score)| {
+ (index, self.options.get(*index).unwrap()) // get_unchecked
+ });
+
+ for (i, (_index, option)) in files.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,
+ (self.format_fn)(option),
+ 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)
+ }
+}
diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index ce00a129..58efd560 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -10,24 +10,32 @@ pub struct Prompt {
pub line: String,
pub cursor: usize,
pub completion: Vec<String>,
- pub should_close: bool,
pub completion_selection_index: Option<usize>,
completion_fn: Box<dyn FnMut(&str) -> Vec<String>>,
- callback_fn: Box<dyn FnMut(&mut Editor, &str)>,
+ callback_fn: Box<dyn FnMut(&mut Editor, &str, PromptEvent)>,
+}
+
+#[derive(PartialEq)]
+pub enum PromptEvent {
+ /// The prompt input has been updated.
+ Update,
+ /// Validate and finalize the change.
+ Validate,
+ /// Abort the change, reverting to the initial state.
+ Abort,
}
impl Prompt {
pub fn new(
prompt: String,
mut completion_fn: impl FnMut(&str) -> Vec<String> + 'static,
- callback_fn: impl FnMut(&mut Editor, &str) + 'static,
+ callback_fn: impl FnMut(&mut Editor, &str, PromptEvent) + 'static,
) -> Prompt {
Prompt {
prompt,
line: String::new(),
cursor: 0,
completion: completion_fn(""),
- should_close: false,
completion_selection_index: None,
completion_fn: Box::new(completion_fn),
callback_fn: Box::new(callback_fn),
@@ -42,9 +50,7 @@ impl Prompt {
}
pub fn move_char_left(&mut self) {
- if self.cursor > 0 {
- self.cursor -= 1;
- }
+ self.cursor = self.cursor.saturating_sub(1)
}
pub fn move_char_right(&mut self) {
@@ -141,9 +147,15 @@ impl Prompt {
}
}
}
+ let line = area.height - 1;
// render buffer text
- surface.set_string(1, area.height - 1, &self.prompt, text_color);
- surface.set_string(2, area.height - 1, &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,
+ );
}
}
@@ -151,21 +163,28 @@ 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,
};
+ let close_fn = EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
+ // remove the layer
+ compositor.pop();
+ })));
+
match event {
KeyEvent {
code: KeyCode::Char(c),
modifiers: KeyModifiers::NONE,
- } => self.insert_char(c),
+ } => {
+ self.insert_char(c);
+ (self.callback_fn)(cx.editor, &self.line, PromptEvent::Update);
+ }
KeyEvent {
code: KeyCode::Esc, ..
} => {
- return EventResult::Consumed(Some(Box::new(|compositor: &mut Compositor| {
- // remove the layer
- compositor.pop();
- })));
+ (self.callback_fn)(cx.editor, &self.line, PromptEvent::Abort);
+ return close_fn;
}
KeyEvent {
code: KeyCode::Right,
@@ -186,11 +205,17 @@ impl Component for Prompt {
KeyEvent {
code: KeyCode::Backspace,
modifiers: KeyModifiers::NONE,
- } => self.delete_char_backwards(),
+ } => {
+ self.delete_char_backwards();
+ (self.callback_fn)(cx.editor, &self.line, PromptEvent::Update);
+ }
KeyEvent {
code: KeyCode::Enter,
..
- } => (self.callback_fn)(cx.editor, &self.line),
+ } => {
+ (self.callback_fn)(cx.editor, &self.line, PromptEvent::Validate);
+ return close_fn;
+ }
KeyEvent {
code: KeyCode::Tab, ..
} => self.change_completion_selection(),
@@ -210,8 +235,8 @@ impl Component for Prompt {
fn cursor_position(&self, area: Rect, ctx: &mut Context) -> Option<Position> {
Some(Position::new(
- area.height as usize - 1,
- area.x as usize + 2 + self.cursor,
+ area.height as usize,
+ area.x as usize + self.prompt.len() + self.cursor,
))
}
}
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 7c4596ad..323c7bff 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -1,6 +1,6 @@
use anyhow::Error;
use std::future::Future;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
use helix_core::{
syntax::LOADER, ChangeSet, Diagnostic, History, Position, Range, Rope, RopeSlice, Selection,
@@ -201,6 +201,13 @@ impl Document {
&self.state.selection
}
+ pub fn relative_path(&self) -> Option<&Path> {
+ self.path.as_ref().map(|path| {
+ path.strip_prefix(std::env::current_dir().unwrap())
+ .unwrap_or(path)
+ })
+ }
+
// pub fn slice<R>(&self, range: R) -> RopeSlice where R: RangeBounds {
// self.state.doc.slice
// }