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ui: Draft for completion doc preview.

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This commit is contained in:
Blaž Hrastnik 2021-05-03 18:22:29 +09:00
parent ab4decfd6d
commit 3038c2ef6d
1 changed files with 43 additions and 2 deletions
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45
helix-term/src/ui/completion.rs
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@ -13,7 +13,7 @@ use helix_core::{Position, Transaction};
use helix_view::Editor;
use crate::commands;
use crate::ui::{Menu, Popup, PromptEvent};
use crate::ui::{Markdown, Menu, Popup, PromptEvent};
use helix_lsp::lsp;
use lsp::CompletionItem;
@ -173,6 +173,47 @@ impl Component for Completion {
}
fn render(&self, area: Rect, surface: &mut Surface, cx: &mut Context) {
self.popup.render(area, surface, cx)
self.popup.render(area, surface, cx);
// TODO: if we have a selection, render a markdown popup on top/below with info
if let Some(option) = self.popup.contents().selection() {
// need to render:
// option.detail
// ---
// option.documentation
match &option.documentation {
Some(lsp::Documentation::String(s))
| Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::PlainText,
value: s,
})) => {
// TODO: convert to wrapped text
let doc = s;
}
Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: contents,
})) => {
let doc = Markdown::new(contents.clone());
let half = area.height / 2;
let height = 15.min(half);
// -2 to subtract command line + statusline. a bit of a hack, because of splits.
let area = Rect::new(0, area.height - height - 2, area.width, height);
// clear area
let background = cx.editor.theme.get("ui.popup");
for y in area.top()..area.bottom() {
for x in area.left()..area.right() {
let cell = surface.get_mut(x, y);
cell.reset();
// cell.symbol.clear();
cell.set_style(background);
}
}
doc.render(area, surface, cx);
}
None => (),
}
}
}
}