bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'helix-view/src/info.rs')
-rw-r--r--helix-view/src/info.rs121
1 files changed, 89 insertions, 32 deletions
diff --git a/helix-view/src/info.rs b/helix-view/src/info.rs
index d1e90b5a..df43937a 100644
--- a/helix-view/src/info.rs
+++ b/helix-view/src/info.rs
@@ -1,12 +1,12 @@
-use crate::register::Registers;
-use helix_core::unicode::width::UnicodeWidthStr;
-use std::{borrow::Cow, fmt::Write};
+use crate::input::KeyEvent;
+use helix_core::{register::Registers, unicode::width::UnicodeWidthStr};
+use std::{collections::BTreeSet, fmt::Write};
-#[derive(Debug)]
+#[derive(Debug, Clone)]
/// Info box used in editor. Rendering logic will be in other crate.
pub struct Info {
/// Title shown at top.
- pub title: Cow<'static, str>,
+ pub title: String,
/// Text body, should contain newlines.
pub text: String,
/// Body width.
@@ -16,55 +16,112 @@ pub struct Info {
}
impl Info {
- pub fn new<T, K, V>(title: T, body: &[(K, V)]) -> Self
- where
- T: Into<Cow<'static, str>>,
- K: AsRef<str>,
- V: AsRef<str>,
- {
- let title = title.into();
+ pub fn new(title: &str, body: Vec<(String, String)>) -> Self {
if body.is_empty() {
return Self {
+ title: title.to_string(),
height: 1,
width: title.len() as u16,
text: "".to_string(),
- title,
};
}
- let item_width = body
- .iter()
- .map(|(item, _)| item.as_ref().width())
- .max()
- .unwrap();
+ let item_width = body.iter().map(|(item, _)| item.width()).max().unwrap();
let mut text = String::new();
- for (item, desc) in body {
- let _ = writeln!(
- text,
- "{:width$} {}",
- item.as_ref(),
- desc.as_ref(),
- width = item_width
- );
+ for (item, desc) in &body {
+ let _ = writeln!(text, "{:width$} {}", item, desc, width = item_width);
}
Self {
- title,
+ title: title.to_string(),
width: text.lines().map(|l| l.width()).max().unwrap() as u16,
height: body.len() as u16,
text,
}
}
- pub fn from_registers(title: impl Into<Cow<'static, str>>, registers: &Registers) -> Self {
- let body: Vec<_> = registers
- .iter_preview()
- .map(|(ch, preview)| (ch.to_string(), preview))
+ pub fn from_keymap(title: &str, body: Vec<(&str, BTreeSet<KeyEvent>)>) -> Self {
+ let body = body
+ .into_iter()
+ .map(|(desc, events)| {
+ let events = events.iter().map(ToString::to_string).collect::<Vec<_>>();
+ (events.join(", "), desc.to_string())
+ })
.collect();
- let mut infobox = Self::new(title, &body);
+ Self::new(title, body)
+ }
+
+ pub fn from_registers(registers: &Registers) -> Self {
+ let body = registers
+ .inner()
+ .iter()
+ .map(|(ch, reg)| {
+ let content = reg
+ .read()
+ .get(0)
+ .and_then(|s| s.lines().next())
+ .map(String::from)
+ .unwrap_or_default();
+ (ch.to_string(), content)
+ })
+ .collect();
+
+ let mut infobox = Self::new("Registers", body);
infobox.width = 30; // copied content could be very long
infobox
}
}
+
+// term
+
+use crate::{
+ compositor::{self, Component, RenderContext},
+ graphics::{Margin, Rect},
+};
+
+#[cfg(feature = "term")]
+use tui::widgets::{Block, Borders, Paragraph, Widget};
+
+#[cfg(feature = "term")]
+impl compositor::term::Render for Info {
+ fn render(&mut self, viewport: Rect, cx: &mut RenderContext<'_>) {
+ let text_style = cx.editor.theme.get("ui.text.info");
+ let popup_style = cx.editor.theme.get("ui.popup.info");
+
+ // Calculate the area of the terminal to modify. Because we want to
+ // render at the bottom right, we use the viewport's width and height
+ // which evaluate to the most bottom right coordinate.
+ let width = self.width + 2 + 2; // +2 for border, +2 for margin
+ let height = self.height + 2; // +2 for border
+ let area = viewport.intersection(Rect::new(
+ viewport.width.saturating_sub(width),
+ viewport.height.saturating_sub(height + 2), // +2 for statusline
+ width,
+ height,
+ ));
+ cx.surface.clear_with(area, popup_style);
+
+ let block = Block::default()
+ .title(self.title.as_str())
+ .borders(Borders::ALL)
+ .border_style(popup_style);
+
+ let margin = Margin {
+ vertical: 0,
+ horizontal: 1,
+ };
+ let inner = block.inner(area).inner(&margin);
+ block.render(area, cx.surface);
+
+ Paragraph::new(self.text.as_str())
+ .style(text_style)
+ .render(inner, cx.surface);
+ }
+}
+
+#[cfg(feature = "ui")]
+impl compositor::ui::Render for Info {}
+
+impl Component for Info {}