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