zed/crates/editor/src/hover_popover.rs
2023-05-17 15:05:20 -07:00

1027 lines
37 KiB
Rust

use crate::{
display_map::ToDisplayPoint, Anchor, AnchorRangeExt, DisplayPoint, Editor, EditorSettings,
EditorSnapshot, EditorStyle, RangeToAnchorExt,
};
use futures::FutureExt;
use gpui::{
actions,
elements::{Flex, MouseEventHandler, Padding, ParentElement, Text},
fonts::{HighlightStyle, Underline, Weight},
platform::{CursorStyle, MouseButton},
AnyElement, AppContext, CursorRegion, Element, ModelHandle, MouseRegion, Task, ViewContext,
};
use language::{Bias, DiagnosticEntry, DiagnosticSeverity, Language, LanguageRegistry};
use project::{HoverBlock, HoverBlockKind, Project};
use std::{ops::Range, sync::Arc, time::Duration};
use util::TryFutureExt;
pub const HOVER_DELAY_MILLIS: u64 = 350;
pub const HOVER_REQUEST_DELAY_MILLIS: u64 = 200;
pub const MIN_POPOVER_CHARACTER_WIDTH: f32 = 20.;
pub const MIN_POPOVER_LINE_HEIGHT: f32 = 4.;
pub const HOVER_POPOVER_GAP: f32 = 10.;
actions!(editor, [Hover]);
pub fn init(cx: &mut AppContext) {
cx.add_action(hover);
}
/// Bindable action which uses the most recent selection head to trigger a hover
pub fn hover(editor: &mut Editor, _: &Hover, cx: &mut ViewContext<Editor>) {
let head = editor.selections.newest_display(cx).head();
show_hover(editor, head, true, cx);
}
/// The internal hover action dispatches between `show_hover` or `hide_hover`
/// depending on whether a point to hover over is provided.
pub fn hover_at(editor: &mut Editor, point: Option<DisplayPoint>, cx: &mut ViewContext<Editor>) {
if settings::get::<EditorSettings>(cx).hover_popover_enabled {
if let Some(point) = point {
show_hover(editor, point, false, cx);
} else {
hide_hover(editor, cx);
}
}
}
/// Hides the type information popup.
/// Triggered by the `Hover` action when the cursor is not over a symbol or when the
/// selections changed.
pub fn hide_hover(editor: &mut Editor, cx: &mut ViewContext<Editor>) -> bool {
let did_hide = editor.hover_state.info_popover.take().is_some()
| editor.hover_state.diagnostic_popover.take().is_some();
editor.hover_state.info_task = None;
editor.hover_state.triggered_from = None;
editor.clear_background_highlights::<HoverState>(cx);
if did_hide {
cx.notify();
}
did_hide
}
/// Queries the LSP and shows type info and documentation
/// about the symbol the mouse is currently hovering over.
/// Triggered by the `Hover` action when the cursor may be over a symbol.
fn show_hover(
editor: &mut Editor,
point: DisplayPoint,
ignore_timeout: bool,
cx: &mut ViewContext<Editor>,
) {
if editor.pending_rename.is_some() {
return;
}
let snapshot = editor.snapshot(cx);
let multibuffer_offset = point.to_offset(&snapshot.display_snapshot, Bias::Left);
let (buffer, buffer_position) = if let Some(output) = editor
.buffer
.read(cx)
.text_anchor_for_position(multibuffer_offset, cx)
{
output
} else {
return;
};
let excerpt_id = if let Some((excerpt_id, _, _)) = editor
.buffer()
.read(cx)
.excerpt_containing(multibuffer_offset, cx)
{
excerpt_id
} else {
return;
};
let project = if let Some(project) = editor.project.clone() {
project
} else {
return;
};
if !ignore_timeout {
if let Some(InfoPopover { symbol_range, .. }) = &editor.hover_state.info_popover {
if symbol_range
.to_offset(&snapshot.buffer_snapshot)
.contains(&multibuffer_offset)
{
// Hover triggered from same location as last time. Don't show again.
return;
} else {
hide_hover(editor, cx);
}
}
}
// Get input anchor
let anchor = snapshot
.buffer_snapshot
.anchor_at(multibuffer_offset, Bias::Left);
// Don't request again if the location is the same as the previous request
if let Some(triggered_from) = &editor.hover_state.triggered_from {
if triggered_from
.cmp(&anchor, &snapshot.buffer_snapshot)
.is_eq()
{
return;
}
}
let task = cx.spawn(|this, mut cx| {
async move {
// If we need to delay, delay a set amount initially before making the lsp request
let delay = if !ignore_timeout {
// Construct delay task to wait for later
let total_delay = Some(
cx.background()
.timer(Duration::from_millis(HOVER_DELAY_MILLIS)),
);
cx.background()
.timer(Duration::from_millis(HOVER_REQUEST_DELAY_MILLIS))
.await;
total_delay
} else {
None
};
// query the LSP for hover info
let hover_request = cx.update(|cx| {
project.update(cx, |project, cx| {
project.hover(&buffer, buffer_position, cx)
})
});
if let Some(delay) = delay {
delay.await;
}
// If there's a diagnostic, assign it on the hover state and notify
let local_diagnostic = snapshot
.buffer_snapshot
.diagnostics_in_range::<_, usize>(multibuffer_offset..multibuffer_offset, false)
// Find the entry with the most specific range
.min_by_key(|entry| entry.range.end - entry.range.start)
.map(|entry| DiagnosticEntry {
diagnostic: entry.diagnostic,
range: entry.range.to_anchors(&snapshot.buffer_snapshot),
});
// Pull the primary diagnostic out so we can jump to it if the popover is clicked
let primary_diagnostic = local_diagnostic.as_ref().and_then(|local_diagnostic| {
snapshot
.buffer_snapshot
.diagnostic_group::<usize>(local_diagnostic.diagnostic.group_id)
.find(|diagnostic| diagnostic.diagnostic.is_primary)
.map(|entry| DiagnosticEntry {
diagnostic: entry.diagnostic,
range: entry.range.to_anchors(&snapshot.buffer_snapshot),
})
});
this.update(&mut cx, |this, _| {
this.hover_state.diagnostic_popover =
local_diagnostic.map(|local_diagnostic| DiagnosticPopover {
local_diagnostic,
primary_diagnostic,
});
})?;
// Construct new hover popover from hover request
let hover_popover = hover_request.await.ok().flatten().and_then(|hover_result| {
if hover_result.contents.is_empty() {
return None;
}
// Create symbol range of anchors for highlighting and filtering
// of future requests.
let range = if let Some(range) = hover_result.range {
let start = snapshot
.buffer_snapshot
.anchor_in_excerpt(excerpt_id.clone(), range.start);
let end = snapshot
.buffer_snapshot
.anchor_in_excerpt(excerpt_id.clone(), range.end);
start..end
} else {
anchor..anchor
};
Some(InfoPopover {
project: project.clone(),
symbol_range: range,
blocks: hover_result.contents,
rendered_content: None,
})
});
this.update(&mut cx, |this, cx| {
if let Some(hover_popover) = hover_popover.as_ref() {
// Highlight the selected symbol using a background highlight
this.highlight_background::<HoverState>(
vec![hover_popover.symbol_range.clone()],
|theme| theme.editor.hover_popover.highlight,
cx,
);
} else {
this.clear_background_highlights::<HoverState>(cx);
}
this.hover_state.info_popover = hover_popover;
cx.notify();
})?;
Ok::<_, anyhow::Error>(())
}
.log_err()
});
editor.hover_state.info_task = Some(task);
}
fn render_blocks(
theme_id: usize,
blocks: &[HoverBlock],
language_registry: &Arc<LanguageRegistry>,
style: &EditorStyle,
) -> RenderedInfo {
let mut text = String::new();
let mut highlights = Vec::new();
let mut region_ranges = Vec::new();
let mut regions = Vec::new();
for block in blocks {
match &block.kind {
HoverBlockKind::PlainText => {
new_paragraph(&mut text, &mut Vec::new());
text.push_str(&block.text);
}
HoverBlockKind::Markdown => {
use pulldown_cmark::{CodeBlockKind, Event, Options, Parser, Tag};
let mut bold_depth = 0;
let mut italic_depth = 0;
let mut link_url = None;
let mut current_language = None;
let mut list_stack = Vec::new();
for event in Parser::new_ext(&block.text, Options::all()) {
let prev_len = text.len();
match event {
Event::Text(t) => {
if let Some(language) = &current_language {
render_code(
&mut text,
&mut highlights,
t.as_ref(),
language,
style,
);
} else {
text.push_str(t.as_ref());
let mut style = HighlightStyle::default();
if bold_depth > 0 {
style.weight = Some(Weight::BOLD);
}
if italic_depth > 0 {
style.italic = Some(true);
}
if let Some(link_url) = link_url.clone() {
region_ranges.push(prev_len..text.len());
regions.push(RenderedRegion {
link_url: Some(link_url),
code: false,
});
style.underline = Some(Underline {
thickness: 1.0.into(),
..Default::default()
});
}
if style != HighlightStyle::default() {
let mut new_highlight = true;
if let Some((last_range, last_style)) = highlights.last_mut() {
if last_range.end == prev_len && last_style == &style {
last_range.end = text.len();
new_highlight = false;
}
}
if new_highlight {
highlights.push((prev_len..text.len(), style));
}
}
}
}
Event::Code(t) => {
text.push_str(t.as_ref());
region_ranges.push(prev_len..text.len());
if link_url.is_some() {
highlights.push((
prev_len..text.len(),
HighlightStyle {
underline: Some(Underline {
thickness: 1.0.into(),
..Default::default()
}),
..Default::default()
},
));
}
regions.push(RenderedRegion {
code: true,
link_url: link_url.clone(),
});
}
Event::Start(tag) => match tag {
Tag::Paragraph => new_paragraph(&mut text, &mut list_stack),
Tag::Heading(_, _, _) => {
new_paragraph(&mut text, &mut list_stack);
bold_depth += 1;
}
Tag::CodeBlock(kind) => {
new_paragraph(&mut text, &mut list_stack);
if let CodeBlockKind::Fenced(language) = kind {
current_language = language_registry
.language_for_name(language.as_ref())
.now_or_never()
.and_then(Result::ok);
}
}
Tag::Emphasis => italic_depth += 1,
Tag::Strong => bold_depth += 1,
Tag::Link(_, url, _) => link_url = Some(url.to_string()),
Tag::List(number) => {
list_stack.push((number, false));
}
Tag::Item => {
let len = list_stack.len();
if let Some((list_number, has_content)) = list_stack.last_mut() {
*has_content = false;
if !text.is_empty() && !text.ends_with('\n') {
text.push('\n');
}
for _ in 0..len - 1 {
text.push_str(" ");
}
if let Some(number) = list_number {
text.push_str(&format!("{}. ", number));
*number += 1;
*has_content = false;
} else {
text.push_str("- ");
}
}
}
_ => {}
},
Event::End(tag) => match tag {
Tag::Heading(_, _, _) => bold_depth -= 1,
Tag::CodeBlock(_) => current_language = None,
Tag::Emphasis => italic_depth -= 1,
Tag::Strong => bold_depth -= 1,
Tag::Link(_, _, _) => link_url = None,
Tag::List(_) => drop(list_stack.pop()),
_ => {}
},
Event::HardBreak => text.push('\n'),
Event::SoftBreak => text.push(' '),
_ => {}
}
}
}
HoverBlockKind::Code { language } => {
if let Some(language) = language_registry
.language_for_name(language)
.now_or_never()
.and_then(Result::ok)
{
render_code(&mut text, &mut highlights, &block.text, &language, style);
} else {
text.push_str(&block.text);
}
}
}
}
if !text.is_empty() && !text.ends_with('\n') {
text.push('\n');
}
RenderedInfo {
theme_id,
text,
highlights,
region_ranges,
regions,
}
}
fn render_code(
text: &mut String,
highlights: &mut Vec<(Range<usize>, HighlightStyle)>,
content: &str,
language: &Arc<Language>,
style: &EditorStyle,
) {
let prev_len = text.len();
text.push_str(content);
for (range, highlight_id) in language.highlight_text(&content.into(), 0..content.len()) {
if let Some(style) = highlight_id.style(&style.syntax) {
highlights.push((prev_len + range.start..prev_len + range.end, style));
}
}
}
fn new_paragraph(text: &mut String, list_stack: &mut Vec<(Option<u64>, bool)>) {
let mut is_subsequent_paragraph_of_list = false;
if let Some((_, has_content)) = list_stack.last_mut() {
if *has_content {
is_subsequent_paragraph_of_list = true;
} else {
*has_content = true;
return;
}
}
if !text.is_empty() {
if !text.ends_with('\n') {
text.push('\n');
}
text.push('\n');
}
for _ in 0..list_stack.len().saturating_sub(1) {
text.push_str(" ");
}
if is_subsequent_paragraph_of_list {
text.push_str(" ");
}
}
#[derive(Default)]
pub struct HoverState {
pub info_popover: Option<InfoPopover>,
pub diagnostic_popover: Option<DiagnosticPopover>,
pub triggered_from: Option<Anchor>,
pub info_task: Option<Task<Option<()>>>,
}
impl HoverState {
pub fn visible(&self) -> bool {
self.info_popover.is_some() || self.diagnostic_popover.is_some()
}
pub fn render(
&mut self,
snapshot: &EditorSnapshot,
style: &EditorStyle,
visible_rows: Range<u32>,
cx: &mut ViewContext<Editor>,
) -> Option<(DisplayPoint, Vec<AnyElement<Editor>>)> {
// If there is a diagnostic, position the popovers based on that.
// Otherwise use the start of the hover range
let anchor = self
.diagnostic_popover
.as_ref()
.map(|diagnostic_popover| &diagnostic_popover.local_diagnostic.range.start)
.or_else(|| {
self.info_popover
.as_ref()
.map(|info_popover| &info_popover.symbol_range.start)
})?;
let point = anchor.to_display_point(&snapshot.display_snapshot);
// Don't render if the relevant point isn't on screen
if !self.visible() || !visible_rows.contains(&point.row()) {
return None;
}
let mut elements = Vec::new();
if let Some(diagnostic_popover) = self.diagnostic_popover.as_ref() {
elements.push(diagnostic_popover.render(style, cx));
}
if let Some(info_popover) = self.info_popover.as_mut() {
elements.push(info_popover.render(style, cx));
}
Some((point, elements))
}
}
#[derive(Debug, Clone)]
pub struct InfoPopover {
pub project: ModelHandle<Project>,
pub symbol_range: Range<Anchor>,
pub blocks: Vec<HoverBlock>,
rendered_content: Option<RenderedInfo>,
}
#[derive(Debug, Clone)]
struct RenderedInfo {
theme_id: usize,
text: String,
highlights: Vec<(Range<usize>, HighlightStyle)>,
region_ranges: Vec<Range<usize>>,
regions: Vec<RenderedRegion>,
}
#[derive(Debug, Clone)]
struct RenderedRegion {
code: bool,
link_url: Option<String>,
}
impl InfoPopover {
pub fn render(
&mut self,
style: &EditorStyle,
cx: &mut ViewContext<Editor>,
) -> AnyElement<Editor> {
if let Some(rendered) = &self.rendered_content {
if rendered.theme_id != style.theme_id {
self.rendered_content = None;
}
}
let rendered_content = self.rendered_content.get_or_insert_with(|| {
render_blocks(
style.theme_id,
&self.blocks,
self.project.read(cx).languages(),
style,
)
});
MouseEventHandler::<InfoPopover, _>::new(0, cx, |_, cx| {
let mut region_id = 0;
let view_id = cx.view_id();
let code_span_background_color = style.document_highlight_read_background;
let regions = rendered_content.regions.clone();
Flex::column()
.scrollable::<HoverBlock>(1, None, cx)
.with_child(
Text::new(rendered_content.text.clone(), style.text.clone())
.with_highlights(rendered_content.highlights.clone())
.with_custom_runs(
rendered_content.region_ranges.clone(),
move |ix, bounds, scene, _| {
region_id += 1;
let region = regions[ix].clone();
if let Some(url) = region.link_url {
scene.push_cursor_region(CursorRegion {
bounds,
style: CursorStyle::PointingHand,
});
scene.push_mouse_region(
MouseRegion::new::<Self>(view_id, region_id, bounds)
.on_click::<Editor, _>(
MouseButton::Left,
move |_, _, cx| {
println!("clicked link {url}");
cx.platform().open_url(&url);
},
),
);
}
if region.code {
scene.push_quad(gpui::Quad {
bounds,
background: Some(code_span_background_color),
border: Default::default(),
corner_radius: 2.0,
});
}
},
)
.with_soft_wrap(true),
)
.contained()
.with_style(style.hover_popover.container)
})
.on_move(|_, _, _| {}) // Consume move events so they don't reach regions underneath.
.with_cursor_style(CursorStyle::Arrow)
.with_padding(Padding {
bottom: HOVER_POPOVER_GAP,
top: HOVER_POPOVER_GAP,
..Default::default()
})
.into_any()
}
}
#[derive(Debug, Clone)]
pub struct DiagnosticPopover {
local_diagnostic: DiagnosticEntry<Anchor>,
primary_diagnostic: Option<DiagnosticEntry<Anchor>>,
}
impl DiagnosticPopover {
pub fn render(&self, style: &EditorStyle, cx: &mut ViewContext<Editor>) -> AnyElement<Editor> {
enum PrimaryDiagnostic {}
let mut text_style = style.hover_popover.prose.clone();
text_style.font_size = style.text.font_size;
let diagnostic_source_style = style.hover_popover.diagnostic_source_highlight.clone();
let text = match &self.local_diagnostic.diagnostic.source {
Some(source) => Text::new(
format!("{source}: {}", self.local_diagnostic.diagnostic.message),
text_style,
)
.with_highlights(vec![(0..source.len(), diagnostic_source_style)]),
None => Text::new(self.local_diagnostic.diagnostic.message.clone(), text_style),
};
let container_style = match self.local_diagnostic.diagnostic.severity {
DiagnosticSeverity::HINT => style.hover_popover.info_container,
DiagnosticSeverity::INFORMATION => style.hover_popover.info_container,
DiagnosticSeverity::WARNING => style.hover_popover.warning_container,
DiagnosticSeverity::ERROR => style.hover_popover.error_container,
_ => style.hover_popover.container,
};
let tooltip_style = theme::current(cx).tooltip.clone();
MouseEventHandler::<DiagnosticPopover, _>::new(0, cx, |_, _| {
text.with_soft_wrap(true)
.contained()
.with_style(container_style)
})
.with_padding(Padding {
top: HOVER_POPOVER_GAP,
bottom: HOVER_POPOVER_GAP,
..Default::default()
})
.on_move(|_, _, _| {}) // Consume move events so they don't reach regions underneath.
.on_click(MouseButton::Left, |_, this, cx| {
this.go_to_diagnostic(&Default::default(), cx)
})
.with_cursor_style(CursorStyle::PointingHand)
.with_tooltip::<PrimaryDiagnostic>(
0,
"Go To Diagnostic".to_string(),
Some(Box::new(crate::GoToDiagnostic)),
tooltip_style,
cx,
)
.into_any()
}
pub fn activation_info(&self) -> (usize, Anchor) {
let entry = self
.primary_diagnostic
.as_ref()
.unwrap_or(&self.local_diagnostic);
(entry.diagnostic.group_id, entry.range.start.clone())
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{editor_tests::init_test, test::editor_lsp_test_context::EditorLspTestContext};
use gpui::fonts::Weight;
use indoc::indoc;
use language::{Diagnostic, DiagnosticSet};
use lsp::LanguageServerId;
use project::{HoverBlock, HoverBlockKind};
use smol::stream::StreamExt;
use unindent::Unindent;
use util::test::marked_text_ranges;
#[gpui::test]
async fn test_mouse_hover_info_popover(cx: &mut gpui::TestAppContext) {
init_test(cx, |_| {});
let mut cx = EditorLspTestContext::new_rust(
lsp::ServerCapabilities {
hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
..Default::default()
},
cx,
)
.await;
// Basic hover delays and then pops without moving the mouse
cx.set_state(indoc! {"
fn ˇtest() { println!(); }
"});
let hover_point = cx.display_point(indoc! {"
fn test() { printˇln!(); }
"});
cx.update_editor(|editor, cx| hover_at(editor, Some(hover_point), cx));
assert!(!cx.editor(|editor, _| editor.hover_state.visible()));
// After delay, hover should be visible.
let symbol_range = cx.lsp_range(indoc! {"
fn test() { «println!»(); }
"});
let mut requests =
cx.handle_request::<lsp::request::HoverRequest, _, _>(move |_, _, _| async move {
Ok(Some(lsp::Hover {
contents: lsp::HoverContents::Markup(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: "some basic docs".to_string(),
}),
range: Some(symbol_range),
}))
});
cx.foreground()
.advance_clock(Duration::from_millis(HOVER_DELAY_MILLIS + 100));
requests.next().await;
cx.editor(|editor, _| {
assert!(editor.hover_state.visible());
assert_eq!(
editor.hover_state.info_popover.clone().unwrap().blocks,
vec![HoverBlock {
text: "some basic docs".to_string(),
kind: HoverBlockKind::Markdown,
},]
)
});
// Mouse moved with no hover response dismisses
let hover_point = cx.display_point(indoc! {"
fn teˇst() { println!(); }
"});
let mut request = cx
.lsp
.handle_request::<lsp::request::HoverRequest, _, _>(|_, _| async move { Ok(None) });
cx.update_editor(|editor, cx| hover_at(editor, Some(hover_point), cx));
cx.foreground()
.advance_clock(Duration::from_millis(HOVER_DELAY_MILLIS + 100));
request.next().await;
cx.editor(|editor, _| {
assert!(!editor.hover_state.visible());
});
}
#[gpui::test]
async fn test_keyboard_hover_info_popover(cx: &mut gpui::TestAppContext) {
init_test(cx, |_| {});
let mut cx = EditorLspTestContext::new_rust(
lsp::ServerCapabilities {
hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
..Default::default()
},
cx,
)
.await;
// Hover with keyboard has no delay
cx.set_state(indoc! {"
fˇn test() { println!(); }
"});
cx.update_editor(|editor, cx| hover(editor, &Hover, cx));
let symbol_range = cx.lsp_range(indoc! {"
«fn» test() { println!(); }
"});
cx.handle_request::<lsp::request::HoverRequest, _, _>(move |_, _, _| async move {
Ok(Some(lsp::Hover {
contents: lsp::HoverContents::Markup(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: "some other basic docs".to_string(),
}),
range: Some(symbol_range),
}))
})
.next()
.await;
cx.condition(|editor, _| editor.hover_state.visible()).await;
cx.editor(|editor, _| {
assert_eq!(
editor.hover_state.info_popover.clone().unwrap().blocks,
vec![HoverBlock {
text: "some other basic docs".to_string(),
kind: HoverBlockKind::Markdown,
}]
)
});
}
#[gpui::test]
async fn test_hover_diagnostic_and_info_popovers(cx: &mut gpui::TestAppContext) {
init_test(cx, |_| {});
let mut cx = EditorLspTestContext::new_rust(
lsp::ServerCapabilities {
hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),
..Default::default()
},
cx,
)
.await;
// Hover with just diagnostic, pops DiagnosticPopover immediately and then
// info popover once request completes
cx.set_state(indoc! {"
fn teˇst() { println!(); }
"});
// Send diagnostic to client
let range = cx.text_anchor_range(indoc! {"
fn «test»() { println!(); }
"});
cx.update_buffer(|buffer, cx| {
let snapshot = buffer.text_snapshot();
let set = DiagnosticSet::from_sorted_entries(
vec![DiagnosticEntry {
range,
diagnostic: Diagnostic {
message: "A test diagnostic message.".to_string(),
..Default::default()
},
}],
&snapshot,
);
buffer.update_diagnostics(LanguageServerId(0), set, cx);
});
// Hover pops diagnostic immediately
cx.update_editor(|editor, cx| hover(editor, &Hover, cx));
cx.foreground().run_until_parked();
cx.editor(|Editor { hover_state, .. }, _| {
assert!(hover_state.diagnostic_popover.is_some() && hover_state.info_popover.is_none())
});
// Info Popover shows after request responded to
let range = cx.lsp_range(indoc! {"
fn «test»() { println!(); }
"});
cx.handle_request::<lsp::request::HoverRequest, _, _>(move |_, _, _| async move {
Ok(Some(lsp::Hover {
contents: lsp::HoverContents::Markup(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: "some new docs".to_string(),
}),
range: Some(range),
}))
});
cx.foreground()
.advance_clock(Duration::from_millis(HOVER_DELAY_MILLIS + 100));
cx.foreground().run_until_parked();
cx.editor(|Editor { hover_state, .. }, _| {
hover_state.diagnostic_popover.is_some() && hover_state.info_task.is_some()
});
}
#[gpui::test]
fn test_render_blocks(cx: &mut gpui::TestAppContext) {
init_test(cx, |_| {});
cx.add_window(|cx| {
let editor = Editor::single_line(None, cx);
let style = editor.style(cx);
struct Row {
blocks: Vec<HoverBlock>,
expected_marked_text: String,
expected_styles: Vec<HighlightStyle>,
}
let rows = &[
// Strong emphasis
Row {
blocks: vec![HoverBlock {
text: "one **two** three".to_string(),
kind: HoverBlockKind::Markdown,
}],
expected_marked_text: "one «two» three\n".to_string(),
expected_styles: vec![HighlightStyle {
weight: Some(Weight::BOLD),
..Default::default()
}],
},
// Links
Row {
blocks: vec![HoverBlock {
text: "one [two](the-url) three".to_string(),
kind: HoverBlockKind::Markdown,
}],
expected_marked_text: "one «two» three\n".to_string(),
expected_styles: vec![HighlightStyle {
underline: Some(Underline {
thickness: 1.0.into(),
..Default::default()
}),
..Default::default()
}],
},
// Lists
Row {
blocks: vec![HoverBlock {
text: "
lists:
* one
- a
- b
* two
- [c](the-url)
- d
"
.unindent(),
kind: HoverBlockKind::Markdown,
}],
expected_marked_text: "
lists:
- one
- a
- b
- two
- «c»
- d
"
.unindent(),
expected_styles: vec![HighlightStyle {
underline: Some(Underline {
thickness: 1.0.into(),
..Default::default()
}),
..Default::default()
}],
},
// Multi-paragraph list items
Row {
blocks: vec![HoverBlock {
text: "
* one two
three
* four five
* six seven
eight
nine
* ten
* six
"
.unindent(),
kind: HoverBlockKind::Markdown,
}],
expected_marked_text: "
- one two three
- four five
- six seven eight
nine
- ten
- six
"
.unindent(),
expected_styles: vec![HighlightStyle {
underline: Some(Underline {
thickness: 1.0.into(),
..Default::default()
}),
..Default::default()
}],
},
];
for Row {
blocks,
expected_marked_text,
expected_styles,
} in &rows[0..]
{
let rendered = render_blocks(0, &blocks, &Default::default(), &style);
let (expected_text, ranges) = marked_text_ranges(expected_marked_text, false);
let expected_highlights = ranges
.into_iter()
.zip(expected_styles.iter().cloned())
.collect::<Vec<_>>();
assert_eq!(
rendered.text, expected_text,
"wrong text for input {blocks:?}"
);
assert_eq!(
rendered.highlights, expected_highlights,
"wrong highlights for input {blocks:?}"
);
}
editor
});
}
}