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@ -12,6 +12,9 @@ use std::borrow::Cow;
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use helix_core::Position;
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use helix_view::Editor;
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// TODO: share logic with Menu, it's essentially Popup(render_fn), but render fn needs to return
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// a width/height hint. maybe Popup(Box<Component>)
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pub struct Popup {
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contents: String,
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position: Position,
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@ -64,11 +67,31 @@ impl Component for Popup {
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// EventResult::Consumed(None)
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EventResult::Consumed(None)
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}
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fn render(&self, area: Rect, surface: &mut Surface, cx: &mut Context) {
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// render a box at x, y. Width equal to max width of item.
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const MAX: usize = 15;
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let rows = std::cmp::min(self.contents.lines().count(), MAX) as u16; // inefficient
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let area = Rect::new(self.position.col as u16, self.position.row as u16, 80, rows);
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fn render(&self, viewport: Rect, surface: &mut Surface, cx: &mut Context) {
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use tui::text::Text;
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use tui::widgets::{Paragraph, Widget, Wrap};
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let contents = Text::from(self.contents.clone());
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let width = contents.width().min(150) as u16;
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let height = contents.height().min(13) as u16;
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// -- make sure frame doesn't stick out of bounds
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let mut rel_x = self.position.col as u16;
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let mut rel_y = self.position.row as u16;
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if viewport.width <= rel_x + width {
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rel_x -= ((rel_x + width) - viewport.width)
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};
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if height <= rel_y {
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rel_y -= height // position above point
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} else {
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rel_y += 1 // position below point
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}
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let area = Rect::new(rel_x, rel_y, width, height);
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// clip to viewport
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let area = viewport.intersection(Rect::new(rel_x, rel_y, width, height));
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// clear area
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let background = cx.editor.theme.get("ui.popup");
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@ -85,10 +108,8 @@ impl Component for Popup {
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let style = Style::default().fg(Color::Rgb(164, 160, 232)); // lavender
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use tui::text::Text;
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use tui::widgets::{Paragraph, Widget, Wrap};
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let contents = Text::from(self.contents.clone());
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let par = Paragraph::new(contents).wrap(Wrap { trim: false });
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// .scroll(x, y) offsets
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par.render(area, surface);
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}
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