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/*
* meli - configuration module.
*
* Copyright 2019 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* meli is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with meli. If not, see <http://www.gnu.org/licenses/>.
*/
//! Settings for terminal display
use super::deserializers::non_empty_string;
use super::DotAddressable;
use super::Themes;
use melib::{MeliError, Result, ToggleFlag};
/// Settings for terminal display
#[derive(Debug, Deserialize, Clone, Serialize)]
#[serde(default, deny_unknown_fields)]
pub struct TerminalSettings {
/// light, dark
pub theme: String,
pub themes: Themes,
pub ascii_drawing: bool,
pub use_color: ToggleFlag,
/// Use mouse events. This will disable text selection, but you will be able to resize some
/// widgets.
/// Default: False
pub use_mouse: ToggleFlag,
/// String to show in status bar if mouse is active.
/// Default: "🖱️ "
#[serde(deserialize_with = "non_empty_string")]
pub mouse_flag: Option<String>,
#[serde(deserialize_with = "non_empty_string")]
pub window_title: Option<String>,
#[serde(deserialize_with = "non_empty_string")]
pub file_picker_command: Option<String>,
/// Choose between 30-something built in sequences (integers between 0-30) or define your own
/// list of strings for the progress spinner animation.
/// Default: 0
#[serde(default)]
pub progress_spinner_sequence: Option<ProgressSpinnerSequence>,
}
impl Default for TerminalSettings {
fn default() -> Self {
TerminalSettings {
theme: "dark".to_string(),
themes: Themes::default(),
ascii_drawing: false,
use_color: ToggleFlag::InternalVal(true),
use_mouse: ToggleFlag::InternalVal(false),
mouse_flag: Some("🖱️ ".to_string()),
window_title: Some("meli".to_string()),
file_picker_command: None,
progress_spinner_sequence: None,
}
}
}
impl TerminalSettings {
pub fn use_color(&self) -> bool {
/* Don't use color if
* - Either NO_COLOR is set and user hasn't explicitly set use_colors or
* - User has explicitly set use_colors to false
*/
!((std::env::var("NO_COLOR").is_ok()
&& (self.use_color.is_false() || self.use_color.is_internal()))
|| (self.use_color.is_false() && !self.use_color.is_internal()))
}
}
impl DotAddressable for TerminalSettings {
fn lookup(&self, parent_field: &str, path: &[&str]) -> Result<String> {
match path.first() {
Some(field) => {
let tail = &path[1..];
match *field {
"theme" => self.theme.lookup(field, tail),
"themes" => Err(MeliError::new("unimplemented")),
"ascii_drawing" => self.ascii_drawing.lookup(field, tail),
"use_color" => self.use_color.lookup(field, tail),
"use_mouse" => self.use_mouse.lookup(field, tail),
"mouse_flag" => self.mouse_flag.lookup(field, tail),
"window_title" => self.window_title.lookup(field, tail),
"file_picker_command" => self.file_picker_command.lookup(field, tail),
"progress_spinner_sequence" => {
self.progress_spinner_sequence.lookup(field, tail)
}
other => Err(MeliError::new(format!(
"{} has no field named {}",
parent_field, other
))),
}
}
None => Ok(toml::to_string(self).map_err(|err| err.to_string())?),
}
}
}
#[derive(Debug, Deserialize, Clone, Serialize)]
#[serde(untagged)]
pub enum ProgressSpinnerSequence {
Integer(usize),
Custom {
frames: Vec<String>,
#[serde(default = "interval_ms_val")]
interval_ms: u64,
},
}
const fn interval_ms_val() -> u64 {
crate::components::utilities::ProgressSpinner::INTERVAL_MS
}
impl DotAddressable for ProgressSpinnerSequence {}