diff options
Diffstat (limited to 'helix-view')
-rw-r--r-- | helix-view/src/document.rs | 4 | ||||
-rw-r--r-- | helix-view/src/editor.rs | 70 | ||||
-rw-r--r-- | helix-view/src/tree.rs | 14 | ||||
-rw-r--r-- | helix-view/src/view.rs | 22 |
4 files changed, 74 insertions, 36 deletions
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs index f6c7c70d..0286b2b9 100644 --- a/helix-view/src/document.rs +++ b/helix-view/src/document.rs @@ -8,6 +8,8 @@ use helix_core::{ ChangeSet, Diagnostic, History, Rope, Selection, State, Syntax, Transaction, }; +use crate::DocumentId; + #[derive(Copy, Clone, PartialEq, Eq, Hash)] pub enum Mode { Normal, @@ -18,6 +20,7 @@ pub enum Mode { pub struct Document { // rope + selection + pub(crate) id: DocumentId, state: State, path: Option<PathBuf>, @@ -66,6 +69,7 @@ impl Document { let old_state = None; Self { + id: DocumentId::default(), path: None, state: State::new(text), mode: Mode::Normal, diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs index 08f4183d..802ca3e1 100644 --- a/helix-view/src/editor.rs +++ b/helix-view/src/editor.rs @@ -1,7 +1,7 @@ use crate::{theme::Theme, tree::Tree, Document, DocumentId, View}; +use tui::layout::Rect; use std::path::PathBuf; -use std::{cell::RefCell, rc::Rc}; use slotmap::{DefaultKey as Key, SlotMap}; @@ -9,7 +9,7 @@ use anyhow::Error; pub struct Editor { pub tree: Tree, - pub documents: SlotMap<DocumentId, Rc<RefCell<Document>>>, + pub documents: SlotMap<DocumentId, Document>, pub count: Option<usize>, pub theme: Theme, pub language_servers: helix_lsp::Registry, @@ -34,18 +34,25 @@ impl Editor { } } - pub fn open(&mut self, path: PathBuf) -> Result<(), Error> { - // TODO: issues with doc already being borrowed if called from inside goto() + fn _refresh(&mut self) { + for (view, _) in self.tree.views_mut() { + let doc = &self.documents[view.doc]; + view.ensure_cursor_in_view(doc) + } + } - let existing_view = self - .tree - .views() - .find(|(view, _)| view.doc.borrow().path() == Some(&path)); + pub fn open(&mut self, path: PathBuf) -> Result<DocumentId, Error> { + let existing_view = self.documents().find(|doc| doc.path() == Some(&path)); - if let Some((view, _)) = existing_view { - self.tree.focus = view.id; - return Ok(()); - } + // TODO: + // if view with doc, focus it + // else open new split + + // if let Some((view, _)) = existing_view { + // let id = view.doc.id; + // self.tree.focus = view.id; + // return Ok(id); + // } let mut doc = Document::load(path, self.theme.scopes())?; @@ -73,13 +80,14 @@ impl Editor { .unwrap(); } - let doc = Rc::new(RefCell::new(doc)); - // TODO: store id as doc.id - let id = self.documents.insert(doc.clone()); + let id = self.documents.insert(doc); + self.documents[id].id = id; - let view = View::new(doc)?; + let view = View::new(id)?; self.tree.insert(view); - Ok(()) + self._refresh(); + + Ok(id) } pub fn close(&mut self, id: Key) { @@ -88,7 +96,7 @@ impl Editor { let language_servers = &mut self.language_servers; let executor = self.executor; - let doc = view.doc.borrow(); + let doc = &self.documents[view.doc]; let language_server = doc .language @@ -99,14 +107,14 @@ impl Editor { smol::block_on(language_server.text_document_did_close(doc.identifier())).unwrap(); } - drop(doc); // to stop borrowing self.tree - // self.documents.remove(view.doc); self.tree.remove(id); + self._refresh(); } - pub fn resize(&mut self) { - self.tree.focus_next(); + pub fn resize(&mut self, area: Rect) { + self.tree.resize(area); + self._refresh(); } pub fn focus_next(&mut self) { @@ -125,12 +133,26 @@ impl Editor { self.tree.get_mut(self.tree.focus) } + pub fn ensure_cursor_in_view(&mut self, id: Key) { + let view = self.tree.get_mut(id); + let doc = &self.documents[view.doc]; + view.ensure_cursor_in_view(doc) + } + + pub fn document(&self, id: DocumentId) -> Option<&Document> { + self.documents.get(id) + } + + pub fn documents(&self) -> impl Iterator<Item = &Document> { + self.documents.iter().map(|(_id, doc)| doc) + } + pub fn cursor_position(&self) -> Option<helix_core::Position> { const OFFSET: u16 = 7; // 1 diagnostic + 5 linenr + 1 gutter let view = self.view(); - let doc = view.doc.borrow(); + let doc = &self.documents[view.doc]; let cursor = doc.selection().cursor(); - if let Some(mut pos) = view.screen_coords_at_pos(doc.text().slice(..), cursor) { + if let Some(mut pos) = view.screen_coords_at_pos(doc, doc.text().slice(..), cursor) { pos.col += view.area.x as usize + OFFSET as usize; pos.row += view.area.y as usize; return Some(pos); diff --git a/helix-view/src/tree.rs b/helix-view/src/tree.rs index 0a487b6f..e56566e3 100644 --- a/helix-view/src/tree.rs +++ b/helix-view/src/tree.rs @@ -164,7 +164,18 @@ impl Tree { self.recalculate() } - pub fn views(&mut self) -> impl Iterator<Item = (&mut View, bool)> { + pub fn views(&self) -> impl Iterator<Item = (&View, bool)> { + let focus = self.focus; + self.nodes.iter().filter_map(move |(key, node)| match node { + Node { + content: Content::View(view), + .. + } => Some((view.as_ref(), focus == key)), + _ => None, + }) + } + + pub fn views_mut(&mut self) -> impl Iterator<Item = (&mut View, bool)> { let focus = self.focus; self.nodes .iter_mut() @@ -231,7 +242,6 @@ impl Tree { Content::View(view) => { // debug!!("setting view area {:?}", area); view.area = area; - view.ensure_cursor_in_view(); } // TODO: call f() Content::Container(container) => { // debug!!("setting container area {:?}", area); diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs index 2a77f2c0..9d3f1412 100644 --- a/helix-view/src/view.rs +++ b/helix-view/src/view.rs @@ -1,7 +1,6 @@ use anyhow::Error; use std::borrow::Cow; -use std::{cell::RefCell, rc::Rc}; use crate::{Document, DocumentId}; use helix_core::{ @@ -15,13 +14,13 @@ pub const PADDING: usize = 5; pub struct View { pub id: Key, - pub doc: Rc<RefCell<Document>>, + pub doc: DocumentId, pub first_line: usize, pub area: Rect, } impl View { - pub fn new(doc: Rc<RefCell<Document>>) -> Result<Self, Error> { + pub fn new(doc: DocumentId) -> Result<Self, Error> { let view = Self { id: Key::default(), doc, @@ -32,8 +31,7 @@ impl View { Ok(view) } - pub fn ensure_cursor_in_view(&mut self) { - let doc = self.doc.borrow(); + pub fn ensure_cursor_in_view(&mut self, doc: &Document) { let cursor = doc.selection().cursor(); let line = doc.text().char_to_line(cursor); let document_end = self.first_line + (self.area.height as usize).saturating_sub(2); @@ -51,8 +49,7 @@ impl View { /// Calculates the last visible line on screen #[inline] - pub fn last_line(&self) -> usize { - let doc = self.doc.borrow(); + pub fn last_line(&self, doc: &Document) -> usize { let height = self.area.height.saturating_sub(1); // - 1 for statusline std::cmp::min( self.first_line + height as usize, @@ -63,10 +60,15 @@ impl View { /// Translates a document position to an absolute position in the terminal. /// Returns a (line, col) position if the position is visible on screen. // TODO: Could return width as well for the character width at cursor. - pub fn screen_coords_at_pos(&self, text: RopeSlice, pos: usize) -> Option<Position> { + pub fn screen_coords_at_pos( + &self, + doc: &Document, + text: RopeSlice, + pos: usize, + ) -> Option<Position> { let line = text.char_to_line(pos); - if line < self.first_line || line > self.last_line() { + if line < self.first_line || line > self.last_line(doc) { // Line is not visible on screen return None; } @@ -74,7 +76,7 @@ impl View { let line_start = text.line_to_char(line); let line_slice = text.slice(line_start..pos); let mut col = 0; - let tab_width = self.doc.borrow().tab_width(); + let tab_width = doc.tab_width(); for grapheme in RopeGraphemes::new(line_slice) { if grapheme == "\t" { |