zellij/default-plugins/status-bar/src/main.rs
2021-05-01 15:10:21 +03:00

215 lines
7.8 KiB
Rust

mod first_line;
mod second_line;
use ansi_term::Style;
use std::fmt::{Display, Error, Formatter};
use zellij_tile::prelude::*;
use first_line::{ctrl_keys, superkey};
use second_line::keybinds;
// for more of these, copy paste from: https://en.wikipedia.org/wiki/Box-drawing_character
static ARROW_SEPARATOR: &str = "";
static MORE_MSG: &str = " ... ";
#[derive(Default)]
struct State {
mode_info: ModeInfo,
}
register_plugin!(State);
#[derive(Default)]
pub struct LinePart {
part: String,
len: usize,
}
impl Display for LinePart {
fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
write!(f, "{}", self.part)
}
}
#[derive(Clone, Copy)]
pub struct ColoredElements {
// slected mode
pub selected_prefix_separator: Style,
pub selected_char_left_separator: Style,
pub selected_char_shortcut: Style,
pub selected_char_right_separator: Style,
pub selected_styled_text: Style,
pub selected_suffix_separator: Style,
// unselected mode
pub unselected_prefix_separator: Style,
pub unselected_char_left_separator: Style,
pub unselected_char_shortcut: Style,
pub unselected_char_right_separator: Style,
pub unselected_styled_text: Style,
pub unselected_suffix_separator: Style,
// disabled mode
pub disabled_prefix_separator: Style,
pub disabled_styled_text: Style,
pub disabled_suffix_separator: Style,
// selected single letter
pub selected_single_letter_prefix_separator: Style,
pub selected_single_letter_char_shortcut: Style,
pub selected_single_letter_suffix_separator: Style,
// unselected single letter
pub unselected_single_letter_prefix_separator: Style,
pub unselected_single_letter_char_shortcut: Style,
pub unselected_single_letter_suffix_separator: Style,
// superkey
pub superkey_prefix: Style,
pub superkey_suffix_separator: Style,
}
impl ColoredElements {
#[allow(clippy::too_many_arguments)]
pub fn new(
selected_prefix_separator: Style,
selected_char_left_separator: Style,
selected_char_shortcut: Style,
selected_char_right_separator: Style,
selected_styled_text: Style,
selected_suffix_separator: Style,
unselected_prefix_separator: Style,
unselected_char_left_separator: Style,
unselected_char_shortcut: Style,
unselected_char_right_separator: Style,
unselected_styled_text: Style,
unselected_suffix_separator: Style,
disabled_prefix_separator: Style,
disabled_styled_text: Style,
disabled_suffix_separator: Style,
selected_single_letter_prefix_separator: Style,
selected_single_letter_char_shortcut: Style,
selected_single_letter_suffix_separator: Style,
unselected_single_letter_prefix_separator: Style,
unselected_single_letter_char_shortcut: Style,
unselected_single_letter_suffix_separator: Style,
superkey_prefix: Style,
superkey_suffix_separator: Style,
) -> Self {
Self {
selected_prefix_separator,
selected_char_left_separator,
selected_char_shortcut,
selected_char_right_separator,
selected_styled_text,
selected_suffix_separator,
unselected_prefix_separator,
unselected_char_left_separator,
unselected_char_shortcut,
unselected_char_right_separator,
unselected_styled_text,
unselected_suffix_separator,
disabled_prefix_separator,
disabled_styled_text,
disabled_suffix_separator,
selected_single_letter_prefix_separator,
selected_single_letter_char_shortcut,
selected_single_letter_suffix_separator,
unselected_single_letter_prefix_separator,
unselected_single_letter_char_shortcut,
unselected_single_letter_suffix_separator,
superkey_prefix,
superkey_suffix_separator,
}
}
}
// I really hate this, but I can't come up with a good solution for this,
// we need different colors from palette for the default theme
// plus here we can add new sources in the future, like Theme
// that can be defined in the config perhaps
fn color_elements(palette: Palette) -> ColoredElements {
match palette.source {
PaletteSource::Default => ColoredElements::new(
style!(palette.bg, palette.green),
style!(palette.black, palette.green).bold(),
style!(palette.red, palette.green).bold(),
style!(palette.black, palette.green).bold(),
style!(palette.black, palette.green).bold(),
style!(palette.green, palette.bg).bold(),
style!(palette.bg, palette.fg),
style!(palette.bg, palette.fg).bold(),
style!(palette.red, palette.fg).bold(),
style!(palette.bg, palette.fg).bold(),
style!(palette.black, palette.fg).bold(),
style!(palette.fg, palette.bg),
style!(palette.bg, palette.fg),
style!(palette.bg, palette.fg).dimmed(),
style!(palette.fg, palette.bg),
style!(palette.fg, palette.green),
style!(palette.red, palette.green).bold(),
style!(palette.green, palette.fg),
style!(palette.fg, palette.bg),
style!(palette.red, palette.fg).bold(),
style!(palette.fg, palette.bg),
style!(palette.white, palette.bg).bold(),
style!(palette.bg, palette.bg),
),
PaletteSource::Xresources => ColoredElements::new(
style!(palette.bg, palette.green),
style!(palette.fg, palette.green).bold(),
style!(palette.red, palette.green).bold(),
style!(palette.fg, palette.green).bold(),
style!(palette.bg, palette.green).bold(),
style!(palette.green, palette.bg).bold(),
style!(palette.bg, palette.fg),
style!(palette.bg, palette.fg).bold(),
style!(palette.red, palette.fg).bold(),
style!(palette.bg, palette.fg).bold(),
style!(palette.bg, palette.fg).bold(),
style!(palette.fg, palette.bg),
style!(palette.bg, palette.fg),
style!(palette.bg, palette.fg).dimmed(),
style!(palette.fg, palette.bg),
style!(palette.fg, palette.green),
style!(palette.red, palette.green).bold(),
style!(palette.green, palette.fg),
style!(palette.fg, palette.bg),
style!(palette.red, palette.fg).bold(),
style!(palette.fg, palette.bg),
style!(palette.bg, palette.fg).bold(),
style!(palette.fg, palette.bg),
),
}
}
impl ZellijPlugin for State {
fn load(&mut self) {
set_selectable(false);
set_invisible_borders(true);
set_max_height(2);
subscribe(&[EventType::ModeUpdate]);
}
fn update(&mut self, event: Event) {
if let Event::ModeUpdate(mode_info) = event {
self.mode_info = mode_info;
}
}
fn render(&mut self, _rows: usize, cols: usize) {
let colored_elements = color_elements(self.mode_info.palette);
let superkey = superkey(colored_elements);
let ctrl_keys = ctrl_keys(&self.mode_info, cols - superkey.len);
let first_line = format!("{}{}", superkey, ctrl_keys);
let second_line = keybinds(&self.mode_info, cols);
// [48;5;238m is gray background, [0K is so that it fills the rest of the line
// [m is background reset, [0K is so that it clears the rest of the line
println!(
"{}\u{1b}[48;2;{};{};{}m\u{1b}[0K",
first_line,
self.mode_info.palette.bg.0,
self.mode_info.palette.bg.1,
self.mode_info.palette.bg.2
);
println!("\u{1b}[m{}\u{1b}[0K", second_line);
}
}