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-rw-r--r--helix-tui/src/backend/crossterm.rs56
1 files changed, 23 insertions, 33 deletions
diff --git a/helix-tui/src/backend/crossterm.rs b/helix-tui/src/backend/crossterm.rs
index 3a50074e..3e6dc5f5 100644
--- a/helix-tui/src/backend/crossterm.rs
+++ b/helix-tui/src/backend/crossterm.rs
@@ -8,7 +8,7 @@ use crossterm::{
},
terminal::{self, Clear, ClearType},
};
-use helix_view::graphics::{Color, CursorKind, Modifier, Rect};
+use helix_view::graphics::{Color, CursorKind, Modifier, Rect, UnderlineStyle};
use std::io::{self, Write};
fn vte_version() -> Option<usize> {
@@ -80,7 +80,8 @@ where
{
let mut fg = Color::Reset;
let mut bg = Color::Reset;
- let mut underline = Color::Reset;
+ let mut underline_color = Color::Reset;
+ let mut underline_style = UnderlineStyle::Reset;
let mut modifier = Modifier::empty();
let mut last_pos: Option<(u16, u16)> = None;
for (x, y, cell) in content {
@@ -94,7 +95,7 @@ where
from: modifier,
to: cell.modifier,
};
- diff.queue(&mut self.buffer, self.capabilities)?;
+ diff.queue(&mut self.buffer)?;
modifier = cell.modifier;
}
if cell.fg != fg {
@@ -107,10 +108,24 @@ where
map_error(queue!(self.buffer, SetBackgroundColor(color)))?;
bg = cell.bg;
}
- if cell.underline != underline {
- let color = CColor::from(cell.underline);
+ if cell.underline_color != underline_color {
+ let color = CColor::from(cell.underline_color);
map_error(queue!(self.buffer, SetUnderlineColor(color)))?;
- underline = cell.underline;
+ underline_color = cell.underline_color;
+ }
+
+ let mut new_underline_style = cell.underline_style;
+ if !self.capabilities.has_extended_underlines {
+ match new_underline_style {
+ UnderlineStyle::Reset => (),
+ _ => new_underline_style = UnderlineStyle::Line,
+ }
+ }
+
+ if new_underline_style != underline_style {
+ let attr = CAttribute::from(cell.underline_style);
+ map_error(queue!(self.buffer, SetAttribute(attr)))?;
+ underline_style = new_underline_style;
}
map_error(queue!(self.buffer, Print(&cell.symbol)))?;
@@ -118,6 +133,7 @@ where
map_error(queue!(
self.buffer,
+ SetUnderlineColor(CColor::Reset),
SetForegroundColor(CColor::Reset),
SetBackgroundColor(CColor::Reset),
SetAttribute(CAttribute::Reset)
@@ -174,7 +190,7 @@ struct ModifierDiff {
}
impl ModifierDiff {
- fn queue<W>(&self, mut w: W, caps: Capabilities) -> io::Result<()>
+ fn queue<W>(&self, mut w: W) -> io::Result<()>
where
W: io::Write,
{
@@ -192,9 +208,6 @@ impl ModifierDiff {
if removed.contains(Modifier::ITALIC) {
map_error(queue!(w, SetAttribute(CAttribute::NoItalic)))?;
}
- if removed.intersects(Modifier::ANY_UNDERLINE) {
- map_error(queue!(w, SetAttribute(CAttribute::NoUnderline)))?;
- }
if removed.contains(Modifier::DIM) {
map_error(queue!(w, SetAttribute(CAttribute::NormalIntensity)))?;
}
@@ -205,14 +218,6 @@ impl ModifierDiff {
map_error(queue!(w, SetAttribute(CAttribute::NoBlink)))?;
}
- let queue_styled_underline = |styled_underline, w: &mut W| -> io::Result<()> {
- let underline = match caps.has_extended_underlines {
- true => styled_underline,
- false => CAttribute::Underlined,
- };
- map_error(queue!(w, SetAttribute(underline)))
- };
-
let added = self.to - self.from;
if added.contains(Modifier::REVERSED) {
map_error(queue!(w, SetAttribute(CAttribute::Reverse)))?;
@@ -223,21 +228,6 @@ impl ModifierDiff {
if added.contains(Modifier::ITALIC) {
map_error(queue!(w, SetAttribute(CAttribute::Italic)))?;
}
- if added.contains(Modifier::UNDERLINED) {
- map_error(queue!(w, SetAttribute(CAttribute::Underlined)))?;
- }
- if added.contains(Modifier::UNDERCURLED) {
- queue_styled_underline(CAttribute::Undercurled, &mut w)?;
- }
- if added.contains(Modifier::UNDERDOTTED) {
- queue_styled_underline(CAttribute::Underdotted, &mut w)?;
- }
- if added.contains(Modifier::UNDERDASHED) {
- queue_styled_underline(CAttribute::Underdashed, &mut w)?;
- }
- if added.contains(Modifier::DOUBLE_UNDERLINED) {
- queue_styled_underline(CAttribute::DoubleUnderlined, &mut w)?;
- }
if added.contains(Modifier::DIM) {
map_error(queue!(w, SetAttribute(CAttribute::Dim)))?;
}