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Use early return in rendering completion doc

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pull/5/head
Gokul Soumya 2 years ago committed by Blaž Hrastnik
parent 93c7afc4ed
commit 8e9c329952
1 changed files with 93 additions and 91 deletions
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184
helix-term/src/ui/completion.rs
Unescape Escape View File

@ -381,104 +381,106 @@ impl Component for Completion {
self.popup.render(area, surface, cx);
// 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
let (view, doc) = current!(cx.editor);
let language = doc.language_name().unwrap_or("");
let text = doc.text().slice(..);
let cursor_pos = doc.selection(view.id).primary().cursor(text);
let coords = view
.screen_coords_at_pos(doc, text, cursor_pos)
.expect("cursor must be in view");
let cursor_pos = coords.row as u16;
let mut markdown_doc = match &option.documentation {
Some(lsp::Documentation::String(contents))
| Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::PlainText,
value: contents,
})) => {
// TODO: convert to wrapped text
Markdown::new(
format!(
"```{}\n{}\n```\n{}",
language,
option.detail.as_deref().unwrap_or_default(),
contents
),
cx.editor.syn_loader.clone(),
)
}
Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: contents,
})) => {
// TODO: set language based on doc scope
if let Some(detail) = &option.detail.as_deref() {
Markdown::new(
format!("```{}\n{}\n```\n{}", language, detail, contents),
cx.editor.syn_loader.clone(),
)
} else {
Markdown::new(contents.to_string(), cx.editor.syn_loader.clone())
}
}
None if option.detail.is_some() => {
// TODO: copied from above
// TODO: set language based on doc scope
let option = match self.popup.contents().selection() {
Some(option) => option,
None => return,
};
// need to render:
// option.detail
// ---
// option.documentation
let (view, doc) = current!(cx.editor);
let language = doc.language_name().unwrap_or("");
let text = doc.text().slice(..);
let cursor_pos = doc.selection(view.id).primary().cursor(text);
let coords = view
.screen_coords_at_pos(doc, text, cursor_pos)
.expect("cursor must be in view");
let cursor_pos = coords.row as u16;
let mut markdown_doc = match &option.documentation {
Some(lsp::Documentation::String(contents))
| Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::PlainText,
value: contents,
})) => {
// TODO: convert to wrapped text
Markdown::new(
format!(
"```{}\n{}\n```\n{}",
language,
option.detail.as_deref().unwrap_or_default(),
contents
),
cx.editor.syn_loader.clone(),
)
}
Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
kind: lsp::MarkupKind::Markdown,
value: contents,
})) => {
// TODO: set language based on doc scope
if let Some(detail) = &option.detail.as_deref() {
Markdown::new(
format!(
"```{}\n{}\n```",
language,
option.detail.as_deref().unwrap_or_default(),
),
format!("```{}\n{}\n```\n{}", language, detail, contents),
cx.editor.syn_loader.clone(),
)
} else {
Markdown::new(contents.to_string(), cx.editor.syn_loader.clone())
}
None => return,
};
}
None if option.detail.is_some() => {
// TODO: copied from above
// TODO: set language based on doc scope
Markdown::new(
format!(
"```{}\n{}\n```",
language,
option.detail.as_deref().unwrap_or_default(),
),
cx.editor.syn_loader.clone(),
)
}
None => return,
};
let (popup_x, popup_y) = self.popup.get_rel_position(area, cx);
let (popup_width, _popup_height) = self.popup.get_size();
let mut width = area
.width
.saturating_sub(popup_x)
.saturating_sub(popup_width);
let area = if width > 30 {
let mut height = area.height.saturating_sub(popup_y);
let x = popup_x + popup_width;
let y = popup_y;
if let Some((rel_width, rel_height)) = markdown_doc.required_size((width, height)) {
width = rel_width.min(width);
height = rel_height.min(height);
}
Rect::new(x, y, width, height)
let (popup_x, popup_y) = self.popup.get_rel_position(area, cx);
let (popup_width, _popup_height) = self.popup.get_size();
let mut width = area
.width
.saturating_sub(popup_x)
.saturating_sub(popup_width);
let area = if width > 30 {
let mut height = area.height.saturating_sub(popup_y);
let x = popup_x + popup_width;
let y = popup_y;
if let Some((rel_width, rel_height)) = markdown_doc.required_size((width, height)) {
width = rel_width.min(width);
height = rel_height.min(height);
}
Rect::new(x, y, width, height)
} else {
let half = area.height / 2;
let height = 15.min(half);
// we want to make sure the cursor is visible (not hidden behind the documentation)
let y = if cursor_pos + area.y
>= (cx.editor.tree.area().height - height - 2/* statusline + commandline */)
{
0
} else {
let half = area.height / 2;
let height = 15.min(half);
// we want to make sure the cursor is visible (not hidden behind the documentation)
let y = if cursor_pos + area.y
>= (cx.editor.tree.area().height - height - 2/* statusline + commandline */)
{
0
} else {
// -2 to subtract command line + statusline. a bit of a hack, because of splits.
area.height.saturating_sub(height).saturating_sub(2)
};
Rect::new(0, y, area.width, height)
// -2 to subtract command line + statusline. a bit of a hack, because of splits.
area.height.saturating_sub(height).saturating_sub(2)
};
// clear area
let background = cx.editor.theme.get("ui.popup");
surface.clear_with(area, background);
markdown_doc.render(area, surface, cx);
}
Rect::new(0, y, area.width, height)
};
// clear area
let background = cx.editor.theme.get("ui.popup");
surface.clear_with(area, background);
markdown_doc.render(area, surface, cx);
}
}

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