gitwig 2.6.7

a rust based tui, an alternative to sourcetree and gitui
Documentation 
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//! Submodule initialization and registration paths dialog wizard.

use crate::app::SubmoduleUpdateTarget;
use crate::ui::layout::{centered_rect, centered_rect_fixed};
use crate::ui::style::{ACCENT, CARD_BORDER, DANGER, WARNING, muted_style, primary_style};
use ratatui::Frame;
use ratatui::layout::Rect;
use ratatui::style::{Modifier, Style};
use ratatui::text::{Line, Span};
use ratatui::widgets::{Block, Borders, Clear, Padding, Paragraph};

pub fn draw_submodule_add_url_popup(f: &mut Frame, input_buffer: &str, area: Rect) {
    let popup_area = centered_rect(60, 20, area);
    f.render_widget(Clear, popup_area);

    let block = Block::default()
        .borders(Borders::ALL)
        .border_type(CARD_BORDER())
        .border_style(Style::default().fg(ACCENT()))
        .title(Line::from(vec![
            Span::raw(" "),
            Span::styled("Add Submodule - Step 1/2", primary_style()),
            Span::raw(" "),
        ]))
        .padding(Padding::horizontal(1));

    let content = vec![
        Line::from(vec![Span::styled(
            "Enter submodule repository URL (e.g. https://github.com/foo/bar.git):",
            muted_style(),
        )]),
        Line::from(""),
        Line::from(vec![
            Span::styled("> ", Style::default().fg(ACCENT())),
            Span::styled(input_buffer, Style::default()),
        ]),
        Line::from(""),
        Line::from(vec![
            Span::styled("[Enter]", primary_style()),
            Span::styled(" Next  ", muted_style()),
            Span::styled("[Esc]", primary_style()),
            Span::styled(" Cancel", muted_style()),
        ]),
    ];

    let inner_area = block.inner(popup_area);
    f.render_widget(block, popup_area);
    f.render_widget(Paragraph::new(content), inner_area);

    let cursor_y = inner_area.y.saturating_add(2);
    let cursor_x =
        inner_area.x.saturating_add(2).saturating_add(input_buffer.chars().count() as u16);
    f.set_cursor_position(ratatui::layout::Position::new(cursor_x, cursor_y));
}

pub fn draw_submodule_add_path_popup(f: &mut Frame, input_buffer: &str, url: &str, area: Rect) {
    let popup_area = centered_rect(60, 20, area);
    f.render_widget(Clear, popup_area);

    let block = Block::default()
        .borders(Borders::ALL)
        .border_type(CARD_BORDER())
        .border_style(Style::default().fg(ACCENT()))
        .title(Line::from(vec![
            Span::raw(" "),
            Span::styled("Add Submodule - Step 2/2", primary_style()),
            Span::raw(" "),
        ]))
        .padding(Padding::horizontal(1));

    let content = vec![
        Line::from(vec![
            Span::styled("Repository URL: ", muted_style()),
            Span::styled(url, primary_style()),
        ]),
        Line::from(""),
        Line::from(vec![Span::styled("Enter destination path (e.g. libs/bar):", muted_style())]),
        Line::from(""),
        Line::from(vec![
            Span::styled("> ", Style::default().fg(ACCENT())),
            Span::styled(input_buffer, Style::default()),
        ]),
        Line::from(""),
        Line::from(vec![
            Span::styled("[Enter]", primary_style()),
            Span::styled(" Add  ", muted_style()),
            Span::styled("[Esc]", primary_style()),
            Span::styled(" Cancel", muted_style()),
        ]),
    ];

    let inner_area = block.inner(popup_area);
    f.render_widget(block, popup_area);
    f.render_widget(Paragraph::new(content), inner_area);

    let cursor_y = inner_area.y.saturating_add(4);
    let cursor_x =
        inner_area.x.saturating_add(2).saturating_add(input_buffer.chars().count() as u16);
    f.set_cursor_position(ratatui::layout::Position::new(cursor_x, cursor_y));
}

pub fn draw_submodule_delete_popup(f: &mut Frame, sub: &crate::repo::SubmoduleInfo, area: Rect) {
    let block = Block::default()
        .borders(Borders::ALL)
        .border_type(CARD_BORDER())
        .border_style(Style::default().fg(DANGER()))
        .title(Line::from(vec![
            Span::raw(" "),
            Span::styled("Delete Submodule", primary_style()),
            Span::raw(" "),
        ]))
        .padding(Padding::horizontal(1));

    let path = sub.path.display().to_string();
    let mut content = vec![
        Line::from(vec![Span::styled(
            "Are you sure you want to completely delete the submodule at:",
            primary_style(),
        )]),
        Line::from(""),
        Line::from(vec![
            Span::raw("  "),
            Span::styled(path.clone(), Style::default().fg(DANGER()).add_modifier(Modifier::BOLD)),
        ]),
    ];
    // `git submodule add --name` (or a later `git mv`) makes the two differ.
    if sub.name != path {
        content.push(Line::from(vec![
            Span::styled("  name: ", muted_style()),
            Span::raw(sub.name.clone()),
        ]));
    }
    content.extend([
        Line::from(""),
        Line::from(vec![Span::styled(
            "This will deinitialize and remove the submodule directory.",
            Style::default().fg(DANGER()),
        )]),
        Line::from(""),
        Line::from(vec![
            Span::styled("Confirm: ", muted_style()),
            Span::styled("y", Style::default().fg(DANGER()).add_modifier(Modifier::BOLD)),
            Span::styled(" / Cancel: ", muted_style()),
            Span::styled("n", Style::default().fg(ACCENT()).add_modifier(Modifier::BOLD)),
        ]),
    ]);

    // Sized to the content (plus borders) so the optional name line never
    // pushes the confirm keys out of view.
    let popup_area = centered_rect_fixed(area.width * 55 / 100, content.len() as u16 + 2, area);
    f.render_widget(Clear, popup_area);
    let inner_area = block.inner(popup_area);
    f.render_widget(block, popup_area);
    f.render_widget(Paragraph::new(content), inner_area);
}

/// Asks before an update moves `Modified` submodules back to their recorded commits.
pub fn draw_submodule_update_popup(f: &mut Frame, target: &SubmoduleUpdateTarget, area: Rect) {
    const MAX_LISTED: usize = 6;
    let title = if target.path.is_some() { "Update Submodule" } else { "Update Submodules" };
    let block = Block::default()
        .borders(Borders::ALL)
        .border_type(CARD_BORDER())
        .border_style(Style::default().fg(WARNING()))
        .title(Line::from(vec![
            Span::raw(" "),
            Span::styled(title, primary_style()),
            Span::raw(" "),
        ]))
        .padding(Padding::horizontal(1));

    let mut content = vec![
        Line::from(vec![Span::styled(
            "This checks out the commit the repository records in:",
            primary_style(),
        )]),
        Line::from(""),
    ];
    for path in target.modified.iter().take(MAX_LISTED) {
        content.push(Line::from(vec![
            Span::raw("  "),
            Span::styled(
                path.display().to_string(),
                Style::default().fg(WARNING()).add_modifier(Modifier::BOLD),
            ),
        ]));
    }
    if target.modified.len() > MAX_LISTED {
        let more = format!("  ...and {} more", target.modified.len() - MAX_LISTED);
        content.push(Line::from(vec![Span::styled(more, muted_style())]));
    }
    content.extend([
        Line::from(""),
        Line::from(vec![Span::styled(
            "Commits made there that no branch holds are left behind.",
            Style::default().fg(WARNING()),
        )]),
        Line::from(vec![Span::styled(
            "Uncommitted changes are kept: the update fails instead.",
            muted_style(),
        )]),
        Line::from(""),
        Line::from(vec![
            Span::styled("Confirm: ", muted_style()),
            Span::styled("y", Style::default().fg(WARNING()).add_modifier(Modifier::BOLD)),
            Span::styled(" / Cancel: ", muted_style()),
            Span::styled("n", Style::default().fg(ACCENT()).add_modifier(Modifier::BOLD)),
        ]),
    ]);

    let popup_area = centered_rect_fixed(area.width * 55 / 100, content.len() as u16 + 2, area);
    f.render_widget(Clear, popup_area);
    let inner_area = block.inner(popup_area);
    f.render_widget(block, popup_area);
    f.render_widget(Paragraph::new(content), inner_area);
}