cove/cove-tui/src/chat/tree/util.rs
2022-06-14 23:34:27 +02:00

56 lines
1.3 KiB
Rust

//! Constants and helper functions.
use crossterm::style::{ContentStyle, Stylize};
use toss::frame::Frame;
pub const TIME_FORMAT: &str = "%H:%M ";
pub const TIME_EMPTY: &str = " ";
pub const TIME_WIDTH: usize = 6;
pub fn style_time() -> ContentStyle {
ContentStyle::default().grey()
}
pub fn style_time_inverted() -> ContentStyle {
ContentStyle::default().black().on_white()
}
pub const INDENT: &str = "";
pub const INDENT_WIDTH: usize = 2;
pub fn style_indent() -> ContentStyle {
ContentStyle::default().dark_grey()
}
pub fn style_indent_inverted() -> ContentStyle {
ContentStyle::default().black().on_white()
}
pub const PLACEHOLDER: &str = "[...]";
pub fn style_placeholder() -> ContentStyle {
ContentStyle::default().dark_grey()
}
// Something like this should fit: [+, 1234 more]
pub const MIN_CONTENT_WIDTH: usize = 14;
pub fn after_indent(indent: usize) -> i32 {
(TIME_WIDTH + indent * INDENT_WIDTH) as i32
}
pub fn after_nick(frame: &mut Frame, indent: usize, nick: &str) -> i32 {
after_indent(indent) + 1 + frame.width(nick) as i32 + 2
}
pub fn proportion_to_line(height: u16, proportion: f32) -> i32 {
((height - 1) as f32 * proportion).ceil() as i32
}
pub fn line_to_proportion(height: u16, line: i32) -> f32 {
if height > 1 {
line as f32 / (height - 1) as f32
} else {
0.0
}
}