rho-coding-agent 1.39.0

A lightweight agent harness inspired by Pi
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101

//! Diff-row wash and the chrome package consumed by tool-card render.
//!
//! Added/removed rows get a soft green/red wash. Change kind on the sign is
//! foreground only (`+`/`-`); content stays base text plus syntax roles.
//! Theme owns wash + sign; render derives each column with [`DiffRowChrome::washed`].

use ratatui::{style::Style, text::Span};
use rho_tools::tool_card::DiffRowKind;

use super::{
    optional_blended, scheme_ansi, AnsiColor, BlockColor, ColorScheme, Palette, TerminalPalette,
    Theme, USER_BACKGROUND_ALPHA,
};

// Diff row wash matches the panel wash strength so syntax stays readable.
const DIFF_ROW_WASH_ALPHA: f32 = USER_BACKGROUND_ALPHA;

/// Theme facts for one diff body row: sign role and optional wash.
///
/// Render patches column bases through [`Self::washed`]; content syntax is
/// washed after highlight via [`Self::paint_content`]. Content base is always
/// [`Theme::text`] - not a chrome field.
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub(in crate::tui) struct DiffRowChrome {
    /// `+`/`-` role foreground (+ wash when present).
    pub(in crate::tui) sign: Style,
    wash: Option<Style>,
}

impl DiffRowChrome {
    fn new(sign_base: Style, wash: Option<Style>) -> Self {
        let chrome = Self {
            sign: sign_base,
            wash,
        };
        Self {
            sign: chrome.washed(sign_base),
            wash,
        }
    }

    /// Apply the row wash to a column's base style.
    pub(in crate::tui) fn washed(self, base: Style) -> Style {
        match self.wash {
            Some(wash) => base.patch(wash),
            None => base,
        }
    }

    /// Syntax roles replace the plain style; re-apply the row wash after.
    pub(in crate::tui) fn paint_content(self, spans: &mut [Span<'static>]) {
        if self.wash.is_none() {
            return;
        }
        for span in spans {
            span.style = self.washed(span.style);
        }
    }
}

impl Theme {
    /// Chrome for one diff body row: fg `+`/`-`, soft row wash.
    pub(in crate::tui) fn tool_diff_chrome(kind: DiffRowKind) -> DiffRowChrome {
        let palette = Palette::current();
        let (wash_fill, sign_fg) = match kind {
            DiffRowKind::Added => (palette.diff_add_wash, Some(palette.success)),
            DiffRowKind::Removed => (palette.diff_del_wash, Some(palette.error)),
            DiffRowKind::Context | DiffRowKind::File | DiffRowKind::Skip | DiffRowKind::Meta => {
                (None, None)
            }
        };
        let wash = wash_fill.map(|block| Style::default().bg(block.color));
        // Sign is role foreground only - the wash carries add/remove, not a solid gutter.
        let sign_base = sign_fg.map_or(Self::text(), |fg| Style::default().fg(fg));
        DiffRowChrome::new(sign_base, wash)
    }
}

pub(super) fn terminal_diff_washes(
    terminal: Option<&TerminalPalette>,
) -> (Option<BlockColor>, Option<BlockColor>) {
    (
        optional_blended(terminal, AnsiColor::Green, DIFF_ROW_WASH_ALPHA),
        optional_blended(terminal, AnsiColor::Red, DIFF_ROW_WASH_ALPHA),
    )
}

pub(super) fn scheme_diff_washes(scheme: &ColorScheme) -> (Option<BlockColor>, Option<BlockColor>) {
    (
        Some(scheme_diff_background(scheme, AnsiColor::Green)),
        Some(scheme_diff_background(scheme, AnsiColor::Red)),
    )
}

fn scheme_diff_background(scheme: &ColorScheme, color: AnsiColor) -> BlockColor {
    BlockColor::from_rgb(
        scheme
            .background
            .blend_toward(scheme_ansi(scheme, color), DIFF_ROW_WASH_ALPHA),
    )
}