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Move Picker::render into FilePicker::render

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pull/16/head
Gokul Soumya 11 months ago committed by Michael Davis
parent 49fbf8df53
commit 34c8f9ab73
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1 changed files with 167 additions and 163 deletions
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330
helix-term/src/ui/picker.rs
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@ -490,6 +490,172 @@ impl<T: Item + 'static> FilePicker<T> {
}
fn render_picker(&mut self, area: Rect, surface: &mut Surface, cx: &mut Context) {
let text_style = cx.editor.theme.get("ui.text");
let selected = cx.editor.theme.get("ui.text.focus");
let highlight_style = cx.editor.theme.get("special").add_modifier(Modifier::BOLD);
// -- Render the frame:
// clear area
let background = cx.editor.theme.get("ui.background");
surface.clear_with(area, background);
// don't like this but the lifetime sucks
let block = Block::default().borders(Borders::ALL);
// calculate the inner area inside the box
let inner = block.inner(area);
block.render(area, surface);
// -- Render the input bar:
let area = inner.clip_left(1).with_height(1);
let count = format!("{}/{}", self.matches.len(), self.options.len());
surface.set_stringn(
(area.x + area.width).saturating_sub(count.len() as u16 + 1),
area.y,
&count,
(count.len()).min(area.width as usize),
text_style,
);
self.prompt.render(area, surface, cx);
// -- Separator
let sep_style = cx.editor.theme.get("ui.background.separator");
let borders = BorderType::line_symbols(BorderType::Plain);
for x in inner.left()..inner.right() {
if let Some(cell) = surface.get_mut(x, inner.y + 1) {
cell.set_symbol(borders.horizontal).set_style(sep_style);
}
}
// -- Render the contents:
// subtract area of prompt from top
let inner = inner.clip_top(2);
let rows = inner.height;
let offset = self.cursor - (self.cursor % std::cmp::max(1, rows as usize));
let cursor = self.cursor.saturating_sub(offset);
let options = self
.matches
.iter()
.skip(offset)
.take(rows as usize)
.map(|pmatch| &self.options[pmatch.index])
.map(|option| option.format(&self.editor_data))
.map(|mut row| {
const TEMP_CELL_SEP: &str = " ";
let line = row.cell_text().fold(String::new(), |mut s, frag| {
s.push_str(&frag);
s.push_str(TEMP_CELL_SEP);
s
});
// Items are filtered by using the text returned by menu::Item::filter_text
// but we do highlighting here using the text in Row and therefore there
// might be inconsistencies. This is the best we can do since only the
// text in Row is displayed to the end user.
let (_score, highlights) = FuzzyQuery::new(self.prompt.line())
.fuzzy_indices(&line, &self.matcher)
.unwrap_or_default();
let highlight_byte_ranges: Vec<_> = line
.char_indices()
.enumerate()
.filter_map(|(char_idx, (byte_offset, ch))| {
highlights
.contains(&char_idx)
.then(|| byte_offset..byte_offset + ch.len_utf8())
})
.collect();
// The starting byte index of the current (iterating) cell
let mut cell_start_byte_offset = 0;
for cell in row.cells.iter_mut() {
let spans = match cell.content.lines.get(0) {
Some(s) => s,
None => {
cell_start_byte_offset += TEMP_CELL_SEP.len();
continue;
}
};
let mut cell_len = 0;
let graphemes_with_style: Vec<_> = spans
.0
.iter()
.flat_map(|span| {
span.content
.grapheme_indices(true)
.zip(std::iter::repeat(span.style))
})
.map(|((grapheme_byte_offset, grapheme), style)| {
cell_len += grapheme.len();
let start = cell_start_byte_offset;
let grapheme_byte_range =
grapheme_byte_offset..grapheme_byte_offset + grapheme.len();
if highlight_byte_ranges.iter().any(|hl_rng| {
hl_rng.start >= start + grapheme_byte_range.start
&& hl_rng.end <= start + grapheme_byte_range.end
}) {
(grapheme, style.patch(highlight_style))
} else {
(grapheme, style)
}
})
.collect();
let mut span_list: Vec<(String, Style)> = Vec::new();
for (grapheme, style) in graphemes_with_style {
if span_list.last().map(|(_, sty)| sty) == Some(&style) {
let (string, _) = span_list.last_mut().unwrap();
string.push_str(grapheme);
} else {
span_list.push((String::from(grapheme), style))
}
}
let spans: Vec<Span> = span_list
.into_iter()
.map(|(string, style)| Span::styled(string, style))
.collect();
let spans: Spans = spans.into();
*cell = Cell::from(spans);
cell_start_byte_offset += cell_len + TEMP_CELL_SEP.len();
}
row
});
let table = Table::new(options)
.style(text_style)
.highlight_style(selected)
.highlight_symbol(" > ")
.column_spacing(1)
.widths(&self.widths);
use tui::widgets::TableState;
table.render_table(
inner,
surface,
&mut TableState {
offset: 0,
selected: Some(cursor),
},
self.truncate_start,
);
}
fn render_preview(&mut self, area: Rect, surface: &mut Surface, cx: &mut Context) {
// +---------+ +---------+
// |prompt | |preview |
// +---------+ | |
@ -836,169 +1002,7 @@ impl<T: Item + 'static> Component for Picker<T> {
}
fn render(&mut self, area: Rect, surface: &mut Surface, cx: &mut Context) {
let text_style = cx.editor.theme.get("ui.text");
let selected = cx.editor.theme.get("ui.text.focus");
let highlight_style = cx.editor.theme.get("special").add_modifier(Modifier::BOLD);
// -- Render the frame:
// clear area
let background = cx.editor.theme.get("ui.background");
surface.clear_with(area, background);
// don't like this but the lifetime sucks
let block = Block::default().borders(Borders::ALL);
// calculate the inner area inside the box
let inner = block.inner(area);
block.render(area, surface);
// -- Render the input bar:
let area = inner.clip_left(1).with_height(1);
let count = format!("{}/{}", self.matches.len(), self.options.len());
surface.set_stringn(
(area.x + area.width).saturating_sub(count.len() as u16 + 1),
area.y,
&count,
(count.len()).min(area.width as usize),
text_style,
);
self.prompt.render(area, surface, cx);
// -- Separator
let sep_style = cx.editor.theme.get("ui.background.separator");
let borders = BorderType::line_symbols(BorderType::Plain);
for x in inner.left()..inner.right() {
if let Some(cell) = surface.get_mut(x, inner.y + 1) {
cell.set_symbol(borders.horizontal).set_style(sep_style);
}
}
// -- Render the contents:
// subtract area of prompt from top
let inner = inner.clip_top(2);
let rows = inner.height;
let offset = self.cursor - (self.cursor % std::cmp::max(1, rows as usize));
let cursor = self.cursor.saturating_sub(offset);
let options = self
.matches
.iter()
.skip(offset)
.take(rows as usize)
.map(|pmatch| &self.options[pmatch.index])
.map(|option| option.format(&self.editor_data))
.map(|mut row| {
const TEMP_CELL_SEP: &str = " ";
let line = row.cell_text().fold(String::new(), |mut s, frag| {
s.push_str(&frag);
s.push_str(TEMP_CELL_SEP);
s
});
// Items are filtered by using the text returned by menu::Item::filter_text
// but we do highlighting here using the text in Row and therefore there
// might be inconsistencies. This is the best we can do since only the
// text in Row is displayed to the end user.
let (_score, highlights) = FuzzyQuery::new(self.prompt.line())
.fuzzy_indices(&line, &self.matcher)
.unwrap_or_default();
let highlight_byte_ranges: Vec<_> = line
.char_indices()
.enumerate()
.filter_map(|(char_idx, (byte_offset, ch))| {
highlights
.contains(&char_idx)
.then(|| byte_offset..byte_offset + ch.len_utf8())
})
.collect();
// The starting byte index of the current (iterating) cell
let mut cell_start_byte_offset = 0;
for cell in row.cells.iter_mut() {
let spans = match cell.content.lines.get(0) {
Some(s) => s,
None => {
cell_start_byte_offset += TEMP_CELL_SEP.len();
continue;
}
};
let mut cell_len = 0;
let graphemes_with_style: Vec<_> = spans
.0
.iter()
.flat_map(|span| {
span.content
.grapheme_indices(true)
.zip(std::iter::repeat(span.style))
})
.map(|((grapheme_byte_offset, grapheme), style)| {
cell_len += grapheme.len();
let start = cell_start_byte_offset;
let grapheme_byte_range =
grapheme_byte_offset..grapheme_byte_offset + grapheme.len();
if highlight_byte_ranges.iter().any(|hl_rng| {
hl_rng.start >= start + grapheme_byte_range.start
&& hl_rng.end <= start + grapheme_byte_range.end
}) {
(grapheme, style.patch(highlight_style))
} else {
(grapheme, style)
}
})
.collect();
let mut span_list: Vec<(String, Style)> = Vec::new();
for (grapheme, style) in graphemes_with_style {
if span_list.last().map(|(_, sty)| sty) == Some(&style) {
let (string, _) = span_list.last_mut().unwrap();
string.push_str(grapheme);
} else {
span_list.push((String::from(grapheme), style))
}
}
let spans: Vec<Span> = span_list
.into_iter()
.map(|(string, style)| Span::styled(string, style))
.collect();
let spans: Spans = spans.into();
*cell = Cell::from(spans);
cell_start_byte_offset += cell_len + TEMP_CELL_SEP.len();
}
row
});
let table = Table::new(options)
.style(text_style)
.highlight_style(selected)
.highlight_symbol(" > ")
.column_spacing(1)
.widths(&self.widths);
use tui::widgets::TableState;
table.render_table(
inner,
surface,
&mut TableState {
offset: 0,
selected: Some(cursor),
},
self.truncate_start,
);
unimplemented!()
}
fn cursor(&self, area: Rect, editor: &Editor) -> (Option<Position>, CursorKind) {

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