diff options
Diffstat (limited to 'src/interactive/widgets/entries.rs')
-rw-r--r-- | src/interactive/widgets/entries.rs | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/interactive/widgets/entries.rs b/src/interactive/widgets/entries.rs index c4794f4..78171c7 100644 --- a/src/interactive/widgets/entries.rs +++ b/src/interactive/widgets/entries.rs @@ -11,10 +11,10 @@ use std::collections::HashSet; use std::time::SystemTime; use tui::{ buffer::Buffer, - layout::Rect, + layout::{Margin, Rect}, style::{Color, Modifier, Style}, text::Span, - widgets::{Block, Borders}, + widgets::{Block, Borders, Scrollbar, ScrollbarOrientation, ScrollbarState, StatefulWidget}, }; use tui_react::util::rect::line_bound; use tui_react::{ @@ -83,7 +83,8 @@ impl Entries { block: Some(title_block), entry_in_view, }; - let lines = entries.iter().map(|bundle| { + let mut scroll_offset = None; + let lines = entries.iter().enumerate().map(|(idx, bundle)| { let node_idx = &bundle.index; let is_dir = &bundle.is_dir; let exists = &bundle.exists; @@ -91,6 +92,9 @@ impl Entries { let is_marked = marked.map(|m| m.contains_key(node_idx)).unwrap_or(false); let is_selected = selected.map_or(false, |idx| idx == *node_idx); + if is_selected { + scroll_offset = Some(idx); + } let fraction = bundle.size as f32 / total as f32; let text_style = style(is_selected, *is_focussed); let percentage_style = percentage_style(fraction, text_style); @@ -132,8 +136,18 @@ impl Entries { columns_with_separators(columns, percentage_style, false) }); + let line_count = lines.len(); list.render(props, lines, area, buf); + let scrollbar = Scrollbar::default() + .orientation(ScrollbarOrientation::VerticalRight) + .begin_symbol(None) + .end_symbol(None); + let mut scrollbar_state = + ScrollbarState::new(line_count).position(scroll_offset.unwrap_or(list.offset)); + + scrollbar.render(area.inner(&Margin::new(0, 1)), buf, &mut scrollbar_state); + if *is_focussed { let bound = draw_top_right_help(area, &title, buf); draw_bottom_right_help(bound, buf); |