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isolate scrolllist widget further

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This commit is contained in:
Stephan Dilly 2020-08-27 22:41:09 +02:00
parent 80da95b6f5
commit 53f333f4ca
2 changed files with 33 additions and 36 deletions
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33
src/ui/mod.rs
View File

@ -1,14 +1,8 @@
mod scrolllist;
pub mod style;
use scrolllist::ScrollableList;
use style::SharedTheme;
use tui::{
backend::Backend,
layout::{Constraint, Direction, Layout, Rect},
widgets::{Block, Borders, Text},
Frame,
};
pub use scrolllist::draw_list;
use tui::layout::{Constraint, Direction, Layout, Rect};
/// return the scroll position (line) necessary to have the `selection` in view if it is not already
pub fn calc_scroll_top(
@ -84,26 +78,3 @@ pub fn centered_rect_absolute(
height.min(r.height),
)
}
pub fn draw_list<'b, B: Backend, L>(
f: &mut Frame<B>,
r: Rect,
title: &'b str,
items: L,
select: Option<usize>,
selected: bool,
theme: &SharedTheme,
) where
L: Iterator<Item = Text<'b>>,
{
let list = ScrollableList::new(items)
.block(
Block::default()
.title(title)
.borders(Borders::ALL)
.title_style(theme.title(selected))
.border_style(theme.block(selected)),
)
.scroll(select.unwrap_or_default());
f.render_widget(list, r)
}

36
src/ui/scrolllist.rs
View File

@ -1,13 +1,16 @@
use super::style::SharedTheme;
use std::iter::Iterator;
use tui::{
backend::Backend,
buffer::Buffer,
layout::Rect,
style::Style,
widgets::{Block, List, Text, Widget},
widgets::{Block, Borders, List, Text, Widget},
Frame,
};
///
pub struct ScrollableList<'b, L>
struct ScrollableList<'b, L>
where
L: Iterator<Item = Text<'b>>,
{
@ -24,7 +27,7 @@ impl<'b, L> ScrollableList<'b, L>
where
L: Iterator<Item = Text<'b>>,
{
pub fn new(items: L) -> Self {
fn new(items: L) -> Self {
Self {
block: None,
items,
@ -33,12 +36,12 @@ where
}
}
pub fn block(mut self, block: Block<'b>) -> Self {
fn block(mut self, block: Block<'b>) -> Self {
self.block = Some(block);
self
}
pub fn scroll(mut self, index: usize) -> Self {
fn scroll(mut self, index: usize) -> Self {
self.scroll = index;
self
}
@ -56,3 +59,26 @@ where
.render(area, buf);
}
}
pub fn draw_list<'b, B: Backend, L>(
f: &mut Frame<B>,
r: Rect,
title: &'b str,
items: L,
select: Option<usize>,
selected: bool,
theme: &SharedTheme,
) where
L: Iterator<Item = Text<'b>>,
{
let list = ScrollableList::new(items)
.block(
Block::default()
.title(title)
.borders(Borders::ALL)
.title_style(theme.title(selected))
.border_style(theme.block(selected)),
)
.scroll(select.unwrap_or_default());
f.render_widget(list, r)
}