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1020 lines
30 KiB
Rust
1020 lines
30 KiB
Rust
use crate::{
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align_view,
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document::DocumentInlayHints,
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editor::{GutterConfig, GutterType},
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graphics::Rect,
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Align, Document, DocumentId, Theme, ViewId,
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};
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use helix_core::{
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char_idx_at_visual_offset,
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doc_formatter::TextFormat,
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syntax::Highlight,
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text_annotations::TextAnnotations,
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visual_offset_from_anchor, visual_offset_from_block, Position, RopeSlice, Selection,
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Transaction,
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VisualOffsetError::{PosAfterMaxRow, PosBeforeAnchorRow},
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};
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use std::{
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collections::{HashMap, VecDeque},
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fmt,
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rc::Rc,
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};
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const JUMP_LIST_CAPACITY: usize = 30;
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type Jump = (DocumentId, Selection);
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#[derive(Debug, Clone)]
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pub struct JumpList {
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jumps: VecDeque<Jump>,
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current: usize,
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}
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impl JumpList {
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pub fn new(initial: Jump) -> Self {
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let mut jumps = VecDeque::with_capacity(JUMP_LIST_CAPACITY);
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jumps.push_back(initial);
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Self { jumps, current: 0 }
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}
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pub fn push(&mut self, jump: Jump) {
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self.jumps.truncate(self.current);
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// don't push duplicates
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if self.jumps.back() != Some(&jump) {
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// If the jumplist is full, drop the oldest item.
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while self.jumps.len() >= JUMP_LIST_CAPACITY {
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self.jumps.pop_front();
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}
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self.jumps.push_back(jump);
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self.current = self.jumps.len();
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}
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}
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pub fn forward(&mut self, count: usize) -> Option<&Jump> {
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if self.current + count < self.jumps.len() {
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self.current += count;
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self.jumps.get(self.current)
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} else {
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None
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}
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}
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// Taking view and doc to prevent unnecessary cloning when jump is not required.
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pub fn backward(&mut self, view_id: ViewId, doc: &mut Document, count: usize) -> Option<&Jump> {
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if let Some(current) = self.current.checked_sub(count) {
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if self.current == self.jumps.len() {
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let jump = (doc.id(), doc.selection(view_id).clone());
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self.push(jump);
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}
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self.current = current;
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self.jumps.get(self.current)
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} else {
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None
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}
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}
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pub fn remove(&mut self, doc_id: &DocumentId) {
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self.jumps.retain(|(other_id, _)| other_id != doc_id);
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}
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pub fn iter(&self) -> impl Iterator<Item = &Jump> {
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self.jumps.iter()
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}
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/// Applies a [`Transaction`] of changes to the jumplist.
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/// This is necessary to ensure that changes to documents do not leave jump-list
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/// selections pointing to parts of the text which no longer exist.
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fn apply(&mut self, transaction: &Transaction, doc: &Document) {
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let text = doc.text().slice(..);
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for (doc_id, selection) in &mut self.jumps {
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if doc.id() == *doc_id {
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*selection = selection
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.clone()
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.map(transaction.changes())
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.ensure_invariants(text);
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}
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}
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}
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}
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#[derive(Clone, Debug, PartialEq, Eq, Copy, Default)]
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pub struct ViewPosition {
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pub anchor: usize,
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pub horizontal_offset: usize,
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pub vertical_offset: usize,
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}
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#[derive(Clone)]
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pub struct View {
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pub id: ViewId,
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pub offset: ViewPosition,
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pub area: Rect,
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pub doc: DocumentId,
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pub jumps: JumpList,
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// documents accessed from this view from the oldest one to last viewed one
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pub docs_access_history: Vec<DocumentId>,
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/// the last modified files before the current one
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/// ordered from most frequent to least frequent
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// uses two docs because we want to be able to swap between the
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// two last modified docs which we need to manually keep track of
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pub last_modified_docs: [Option<DocumentId>; 2],
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/// used to store previous selections of tree-sitter objects
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pub object_selections: Vec<Selection>,
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/// all gutter-related configuration settings, used primarily for gutter rendering
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pub gutters: GutterConfig,
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/// A mapping between documents and the last history revision the view was updated at.
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/// Changes between documents and views are synced lazily when switching windows. This
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/// mapping keeps track of the last applied history revision so that only new changes
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/// are applied.
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doc_revisions: HashMap<DocumentId, usize>,
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}
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impl fmt::Debug for View {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("View")
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.field("id", &self.id)
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.field("area", &self.area)
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.field("doc", &self.doc)
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.finish()
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}
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}
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impl View {
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pub fn new(doc: DocumentId, gutters: GutterConfig) -> Self {
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Self {
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id: ViewId::default(),
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doc,
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offset: ViewPosition {
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anchor: 0,
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horizontal_offset: 0,
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vertical_offset: 0,
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},
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area: Rect::default(), // will get calculated upon inserting into tree
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jumps: JumpList::new((doc, Selection::point(0))), // TODO: use actual sel
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docs_access_history: Vec::new(),
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last_modified_docs: [None, None],
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object_selections: Vec::new(),
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gutters,
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doc_revisions: HashMap::new(),
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}
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}
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pub fn add_to_history(&mut self, id: DocumentId) {
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if let Some(pos) = self.docs_access_history.iter().position(|&doc| doc == id) {
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self.docs_access_history.remove(pos);
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}
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self.docs_access_history.push(id);
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}
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pub fn inner_area(&self, doc: &Document) -> Rect {
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self.area.clip_left(self.gutter_offset(doc)).clip_bottom(1) // -1 for statusline
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}
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pub fn inner_height(&self) -> usize {
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self.area.clip_bottom(1).height.into() // -1 for statusline
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}
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pub fn inner_width(&self, doc: &Document) -> u16 {
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self.area.clip_left(self.gutter_offset(doc)).width
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}
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pub fn gutters(&self) -> &[GutterType] {
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&self.gutters.layout
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}
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pub fn gutter_offset(&self, doc: &Document) -> u16 {
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self.gutters
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.layout
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.iter()
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.map(|gutter| gutter.width(self, doc) as u16)
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.sum()
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}
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//
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pub fn offset_coords_to_in_view(
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&self,
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doc: &Document,
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scrolloff: usize,
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) -> Option<ViewPosition> {
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self.offset_coords_to_in_view_center::<false>(doc, scrolloff)
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}
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pub fn offset_coords_to_in_view_center<const CENTERING: bool>(
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&self,
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doc: &Document,
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scrolloff: usize,
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) -> Option<ViewPosition> {
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let doc_text = doc.text().slice(..);
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let viewport = self.inner_area(doc);
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let vertical_viewport_end = self.offset.vertical_offset + viewport.height as usize;
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let text_fmt = doc.text_format(viewport.width, None);
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let annotations = self.text_annotations(doc, None);
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// - 1 so we have at least one gap in the middle.
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// a height of 6 with padding of 3 on each side will keep shifting the view back and forth
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// as we type
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let scrolloff = if CENTERING {
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0
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} else {
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scrolloff.min(viewport.height.saturating_sub(1) as usize / 2)
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};
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let cursor = doc.selection(self.id).primary().cursor(doc_text);
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let mut offset = self.offset;
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let off = visual_offset_from_anchor(
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doc_text,
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offset.anchor,
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cursor,
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&text_fmt,
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&annotations,
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vertical_viewport_end,
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);
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let (new_anchor, at_top) = match off {
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Ok((visual_pos, _)) if visual_pos.row < scrolloff + offset.vertical_offset => {
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if CENTERING {
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// cursor out of view
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return None;
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}
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(true, true)
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}
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Ok((visual_pos, _)) if visual_pos.row + scrolloff >= vertical_viewport_end => {
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(true, false)
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}
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Ok((_, _)) => (false, false),
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Err(_) if CENTERING => return None,
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Err(PosBeforeAnchorRow) => (true, true),
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Err(PosAfterMaxRow) => (true, false),
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};
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if new_anchor {
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let v_off = if at_top {
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scrolloff as isize
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} else {
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viewport.height as isize - scrolloff as isize - 1
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};
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(offset.anchor, offset.vertical_offset) =
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char_idx_at_visual_offset(doc_text, cursor, -v_off, 0, &text_fmt, &annotations);
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}
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if text_fmt.soft_wrap {
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offset.horizontal_offset = 0;
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} else {
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// determine the current visual column of the text
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let col = off
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.unwrap_or_else(|_| {
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visual_offset_from_block(
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doc_text,
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offset.anchor,
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cursor,
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&text_fmt,
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&annotations,
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)
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})
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.0
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.col;
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let last_col = offset.horizontal_offset + viewport.width.saturating_sub(1) as usize;
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if col > last_col.saturating_sub(scrolloff) {
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// scroll right
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offset.horizontal_offset += col - (last_col.saturating_sub(scrolloff))
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} else if col < offset.horizontal_offset + scrolloff {
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// scroll left
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offset.horizontal_offset = col.saturating_sub(scrolloff)
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};
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}
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// if we are not centering return None if view position is unchanged
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if !CENTERING && offset == self.offset {
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return None;
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}
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Some(offset)
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}
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pub fn ensure_cursor_in_view(&mut self, doc: &Document, scrolloff: usize) {
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if let Some(offset) = self.offset_coords_to_in_view_center::<false>(doc, scrolloff) {
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self.offset = offset;
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}
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}
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pub fn ensure_cursor_in_view_center(&mut self, doc: &Document, scrolloff: usize) {
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if let Some(offset) = self.offset_coords_to_in_view_center::<true>(doc, scrolloff) {
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self.offset = offset;
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} else {
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align_view(doc, self, Align::Center);
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}
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}
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pub fn is_cursor_in_view(&mut self, doc: &Document, scrolloff: usize) -> bool {
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self.offset_coords_to_in_view(doc, scrolloff).is_none()
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}
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/// Estimates the last visible document line on screen.
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/// This estimate is an upper bound obtained by calculating the first
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/// visible line and adding the viewport height.
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/// The actual last visible line may be smaller if softwrapping occurs
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/// or virtual text lines are visible
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#[inline]
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pub fn estimate_last_doc_line(&self, doc: &Document) -> usize {
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let doc_text = doc.text().slice(..);
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let line = doc_text.char_to_line(self.offset.anchor.min(doc_text.len_chars()));
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// Saturating subs to make it inclusive zero indexing.
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(line + self.inner_height())
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.min(doc_text.len_lines())
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.saturating_sub(1)
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}
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/// Calculates the last non-empty visual line on screen
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#[inline]
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pub fn last_visual_line(&self, doc: &Document) -> usize {
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let doc_text = doc.text().slice(..);
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let viewport = self.inner_area(doc);
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let text_fmt = doc.text_format(viewport.width, None);
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let annotations = self.text_annotations(doc, None);
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// last visual line in view is trivial to compute
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let visual_height = self.offset.vertical_offset + viewport.height as usize;
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// fast path when the EOF is not visible on the screen,
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if self.estimate_last_doc_line(doc) < doc_text.len_lines() - 1 {
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return visual_height.saturating_sub(1);
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}
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// translate to document line
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let pos = visual_offset_from_anchor(
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doc_text,
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self.offset.anchor,
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usize::MAX,
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&text_fmt,
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&annotations,
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visual_height,
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);
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match pos {
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Ok((Position { row, .. }, _)) => row.saturating_sub(self.offset.vertical_offset),
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Err(PosAfterMaxRow) => visual_height.saturating_sub(1),
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Err(PosBeforeAnchorRow) => 0,
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}
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}
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/// Translates a document position to an absolute position in the terminal.
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/// Returns a (line, col) position if the position is visible on screen.
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// TODO: Could return width as well for the character width at cursor.
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pub fn screen_coords_at_pos(
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&self,
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doc: &Document,
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text: RopeSlice,
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pos: usize,
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) -> Option<Position> {
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if pos < self.offset.anchor {
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// Line is not visible on screen
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return None;
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}
|
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let viewport = self.inner_area(doc);
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let text_fmt = doc.text_format(viewport.width, None);
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let annotations = self.text_annotations(doc, None);
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let mut pos = visual_offset_from_anchor(
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text,
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self.offset.anchor,
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pos,
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&text_fmt,
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&annotations,
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viewport.height as usize,
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)
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.ok()?
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.0;
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if pos.row < self.offset.vertical_offset {
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return None;
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}
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pos.row -= self.offset.vertical_offset;
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if pos.row >= viewport.height as usize {
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return None;
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}
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pos.col = pos.col.saturating_sub(self.offset.horizontal_offset);
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Some(pos)
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}
|
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|
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/// Get the text annotations to display in the current view for the given document and theme.
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pub fn text_annotations(&self, doc: &Document, theme: Option<&Theme>) -> TextAnnotations {
|
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// TODO custom annotations for custom views like side by side diffs
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let mut text_annotations = doc.text_annotations(theme);
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|
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let DocumentInlayHints {
|
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id: _,
|
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type_inlay_hints,
|
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parameter_inlay_hints,
|
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other_inlay_hints,
|
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padding_before_inlay_hints,
|
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padding_after_inlay_hints,
|
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} = match doc.inlay_hints.get(&self.id) {
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Some(doc_inlay_hints) => doc_inlay_hints,
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None => return text_annotations,
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};
|
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|
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let type_style = theme
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.and_then(|t| t.find_scope_index("ui.virtual.inlay-hint.type"))
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.map(Highlight);
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let parameter_style = theme
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.and_then(|t| t.find_scope_index("ui.virtual.inlay-hint.parameter"))
|
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.map(Highlight);
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let other_style = theme
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.and_then(|t| t.find_scope_index("ui.virtual.inlay-hint"))
|
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.map(Highlight);
|
|
|
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let mut add_annotations = |annotations: &Rc<[_]>, style| {
|
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if !annotations.is_empty() {
|
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text_annotations.add_inline_annotations(Rc::clone(annotations), style);
|
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}
|
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};
|
|
|
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// Overlapping annotations are ignored apart from the first so the order here is not random:
|
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// types -> parameters -> others should hopefully be the "correct" order for most use cases,
|
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// with the padding coming before and after as expected.
|
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add_annotations(padding_before_inlay_hints, None);
|
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add_annotations(type_inlay_hints, type_style);
|
|
add_annotations(parameter_inlay_hints, parameter_style);
|
|
add_annotations(other_inlay_hints, other_style);
|
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add_annotations(padding_after_inlay_hints, None);
|
|
|
|
text_annotations
|
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}
|
|
|
|
pub fn text_pos_at_screen_coords(
|
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&self,
|
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doc: &Document,
|
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row: u16,
|
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column: u16,
|
|
fmt: TextFormat,
|
|
annotations: &TextAnnotations,
|
|
ignore_virtual_text: bool,
|
|
) -> Option<usize> {
|
|
let inner = self.inner_area(doc);
|
|
// 1 for status
|
|
if row < inner.top() || row >= inner.bottom() {
|
|
return None;
|
|
}
|
|
|
|
if column < inner.left() || column > inner.right() {
|
|
return None;
|
|
}
|
|
|
|
self.text_pos_at_visual_coords(
|
|
doc,
|
|
row - inner.y,
|
|
column - inner.x,
|
|
fmt,
|
|
annotations,
|
|
ignore_virtual_text,
|
|
)
|
|
}
|
|
|
|
pub fn text_pos_at_visual_coords(
|
|
&self,
|
|
doc: &Document,
|
|
row: u16,
|
|
column: u16,
|
|
text_fmt: TextFormat,
|
|
annotations: &TextAnnotations,
|
|
ignore_virtual_text: bool,
|
|
) -> Option<usize> {
|
|
let text = doc.text().slice(..);
|
|
|
|
let text_row = row as usize + self.offset.vertical_offset;
|
|
let text_col = column as usize + self.offset.horizontal_offset;
|
|
|
|
let (char_idx, virt_lines) = char_idx_at_visual_offset(
|
|
text,
|
|
self.offset.anchor,
|
|
text_row as isize,
|
|
text_col,
|
|
&text_fmt,
|
|
annotations,
|
|
);
|
|
|
|
// if the cursor is on a line with only virtual text return None
|
|
if virt_lines != 0 && ignore_virtual_text {
|
|
return None;
|
|
}
|
|
Some(char_idx)
|
|
}
|
|
|
|
/// Translates a screen position to position in the text document.
|
|
/// Returns a usize typed position in bounds of the text if found in this view, None if out of view.
|
|
pub fn pos_at_screen_coords(
|
|
&self,
|
|
doc: &Document,
|
|
row: u16,
|
|
column: u16,
|
|
ignore_virtual_text: bool,
|
|
) -> Option<usize> {
|
|
self.text_pos_at_screen_coords(
|
|
doc,
|
|
row,
|
|
column,
|
|
doc.text_format(self.inner_width(doc), None),
|
|
&self.text_annotations(doc, None),
|
|
ignore_virtual_text,
|
|
)
|
|
}
|
|
|
|
pub fn pos_at_visual_coords(
|
|
&self,
|
|
doc: &Document,
|
|
row: u16,
|
|
column: u16,
|
|
ignore_virtual_text: bool,
|
|
) -> Option<usize> {
|
|
self.text_pos_at_visual_coords(
|
|
doc,
|
|
row,
|
|
column,
|
|
doc.text_format(self.inner_width(doc), None),
|
|
&self.text_annotations(doc, None),
|
|
ignore_virtual_text,
|
|
)
|
|
}
|
|
|
|
/// Translates screen coordinates into coordinates on the gutter of the view.
|
|
/// Returns a tuple of usize typed line and column numbers starting with 0.
|
|
/// Returns None if coordinates are not on the gutter.
|
|
pub fn gutter_coords_at_screen_coords(&self, row: u16, column: u16) -> Option<Position> {
|
|
// 1 for status
|
|
if row < self.area.top() || row >= self.area.bottom() {
|
|
return None;
|
|
}
|
|
|
|
if column < self.area.left() || column > self.area.right() {
|
|
return None;
|
|
}
|
|
|
|
Some(Position::new(
|
|
(row - self.area.top()) as usize,
|
|
(column - self.area.left()) as usize,
|
|
))
|
|
}
|
|
|
|
pub fn remove_document(&mut self, doc_id: &DocumentId) {
|
|
self.jumps.remove(doc_id);
|
|
self.docs_access_history.retain(|doc| doc != doc_id);
|
|
}
|
|
|
|
// pub fn traverse<F>(&self, text: RopeSlice, start: usize, end: usize, fun: F)
|
|
// where
|
|
// F: Fn(usize, usize),
|
|
// {
|
|
// let start = self.screen_coords_at_pos(text, start);
|
|
// let end = self.screen_coords_at_pos(text, end);
|
|
|
|
// match (start, end) {
|
|
// // fully on screen
|
|
// (Some(start), Some(end)) => {
|
|
// // we want to calculate ends of lines for each char..
|
|
// }
|
|
// // from start to end of screen
|
|
// (Some(start), None) => {}
|
|
// // from start of screen to end
|
|
// (None, Some(end)) => {}
|
|
// // not on screen
|
|
// (None, None) => return,
|
|
// }
|
|
// }
|
|
|
|
/// Applies a [`Transaction`] to the view.
|
|
pub fn apply(&mut self, transaction: &Transaction, doc: &mut Document) {
|
|
self.jumps.apply(transaction, doc);
|
|
self.doc_revisions
|
|
.insert(doc.id(), doc.get_current_revision());
|
|
}
|
|
|
|
pub fn sync_changes(&mut self, doc: &mut Document) {
|
|
let latest_revision = doc.get_current_revision();
|
|
let current_revision = *self
|
|
.doc_revisions
|
|
.entry(doc.id())
|
|
.or_insert(latest_revision);
|
|
|
|
if current_revision == latest_revision {
|
|
return;
|
|
}
|
|
|
|
log::debug!(
|
|
"Syncing view {:?} between {} and {}",
|
|
self.id,
|
|
current_revision,
|
|
latest_revision
|
|
);
|
|
|
|
if let Some(transaction) = doc.history.get_mut().changes_since(current_revision) {
|
|
self.apply(&transaction, doc);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use std::sync::Arc;
|
|
|
|
use super::*;
|
|
use arc_swap::ArcSwap;
|
|
use helix_core::Rope;
|
|
|
|
// 1 diagnostic + 1 spacer + 3 linenr (< 1000 lines) + 1 spacer + 1 diff
|
|
const DEFAULT_GUTTER_OFFSET: u16 = 7;
|
|
|
|
// 1 diagnostics + 1 spacer + 1 gutter
|
|
const DEFAULT_GUTTER_OFFSET_ONLY_DIAGNOSTICS: u16 = 3;
|
|
|
|
use crate::document::Document;
|
|
use crate::editor::{Config, GutterConfig, GutterLineNumbersConfig, GutterType};
|
|
|
|
#[test]
|
|
fn test_text_pos_at_screen_coords() {
|
|
let mut view = View::new(DocumentId::default(), GutterConfig::default());
|
|
view.area = Rect::new(40, 40, 40, 40);
|
|
let rope = Rope::from_str("abc\n\tdef");
|
|
let doc = Document::from(
|
|
rope,
|
|
None,
|
|
Arc::new(ArcSwap::new(Arc::new(Config::default()))),
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
2,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
41,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
0,
|
|
2,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
0,
|
|
49,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
0,
|
|
41,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
81,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
78,
|
|
41,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
None
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 3,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(3)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
80,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(3)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
41,
|
|
40 + DEFAULT_GUTTER_OFFSET + 1,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(4)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
41,
|
|
40 + DEFAULT_GUTTER_OFFSET + 4,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(5)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
41,
|
|
40 + DEFAULT_GUTTER_OFFSET + 7,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(8)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
41,
|
|
80,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(8)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_text_pos_at_screen_coords_without_line_numbers_gutter() {
|
|
let mut view = View::new(
|
|
DocumentId::default(),
|
|
GutterConfig {
|
|
layout: vec![GutterType::Diagnostics],
|
|
line_numbers: GutterLineNumbersConfig::default(),
|
|
},
|
|
);
|
|
view.area = Rect::new(40, 40, 40, 40);
|
|
let rope = Rope::from_str("abc\n\tdef");
|
|
let doc = Document::from(
|
|
rope,
|
|
None,
|
|
Arc::new(ArcSwap::new(Arc::new(Config::default()))),
|
|
);
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
41,
|
|
40 + DEFAULT_GUTTER_OFFSET_ONLY_DIAGNOSTICS + 1,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(4)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_text_pos_at_screen_coords_without_any_gutters() {
|
|
let mut view = View::new(
|
|
DocumentId::default(),
|
|
GutterConfig {
|
|
layout: vec![],
|
|
line_numbers: GutterLineNumbersConfig::default(),
|
|
},
|
|
);
|
|
view.area = Rect::new(40, 40, 40, 40);
|
|
let rope = Rope::from_str("abc\n\tdef");
|
|
let doc = Document::from(
|
|
rope,
|
|
None,
|
|
Arc::new(ArcSwap::new(Arc::new(Config::default()))),
|
|
);
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
41,
|
|
40 + 1,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(4)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_text_pos_at_screen_coords_cjk() {
|
|
let mut view = View::new(DocumentId::default(), GutterConfig::default());
|
|
view.area = Rect::new(40, 40, 40, 40);
|
|
let rope = Rope::from_str("Hi! こんにちは皆さん");
|
|
let doc = Document::from(
|
|
rope,
|
|
None,
|
|
Arc::new(ArcSwap::new(Arc::new(Config::default()))),
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(0)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 4,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(4)
|
|
);
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 5,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(4)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 6,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(5)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 7,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(5)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 8,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(6)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_text_pos_at_screen_coords_graphemes() {
|
|
let mut view = View::new(DocumentId::default(), GutterConfig::default());
|
|
view.area = Rect::new(40, 40, 40, 40);
|
|
let rope = Rope::from_str("Hèl̀l̀ò world!");
|
|
let doc = Document::from(
|
|
rope,
|
|
None,
|
|
Arc::new(ArcSwap::new(Arc::new(Config::default()))),
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(0)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 1,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(1)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 2,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(3)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 3,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(5)
|
|
);
|
|
|
|
assert_eq!(
|
|
view.text_pos_at_screen_coords(
|
|
&doc,
|
|
40,
|
|
40 + DEFAULT_GUTTER_OFFSET + 4,
|
|
TextFormat::default(),
|
|
&TextAnnotations::default(),
|
|
true
|
|
),
|
|
Some(7)
|
|
);
|
|
}
|
|
}
|