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|
//! Handles cli and configuration options
use crate::cli::Command;
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
use std::str::FromStr;
use structopt::StructOpt;
use zellij_tile::data::InputMode;
#[derive(Copy, Clone, Debug, PartialEq, Deserialize, Serialize)]
pub enum OnForceClose {
#[serde(alias = "quit")]
Quit,
#[serde(alias = "detach")]
Detach,
}
impl Default for OnForceClose {
fn default() -> Self {
Self::Detach
}
}
impl FromStr for OnForceClose {
type Err = Box<dyn std::error::Error>;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"quit" => Ok(Self::Quit),
"detach" => Ok(Self::Detach),
e => Err(e.to_string().into()),
}
}
}
#[derive(Clone, Default, Debug, PartialEq, Deserialize, Serialize, StructOpt)]
/// Options that can be set either through the config file,
/// or cli flags - cli flags should take precedence over the config file
/// TODO: In order to correctly parse boolean flags, this is currently split
/// into Options and CliOptions, this could be a good canditate for a macro
pub struct Options {
/// Allow plugins to use a more simplified layout
/// that is compatible with more fonts
#[structopt(long)]
#[serde(default)]
pub simplified_ui: Option<bool>,
/// Set the default theme
#[structopt(long)]
pub theme: Option<String>,
/// Set the default mode
#[structopt(long)]
pub default_mode: Option<InputMode>,
/// Set the default shell
#[structopt(long, parse(from_os_str))]
pub default_shell: Option<PathBuf>,
/// Set the layout_dir, defaults to
/// subdirectory of config dir
#[structopt(long, parse(from_os_str))]
pub layout_dir: Option<PathBuf>,
#[structopt(long)]
#[serde(default)]
/// Disable handling of mouse events
pub disable_mouse_mode: Option<bool>,
#[structopt(long)]
#[serde(default)]
pub no_pane_frames: Option<bool>,
/// Set behaviour on force close (quit or detach)
#[structopt(long)]
pub on_force_close: Option<OnForceClose>,
}
impl Options {
pub fn from_yaml(from_yaml: Option<Options>) -> Options {
if let Some(opts) = from_yaml {
opts
} else {
Options::default()
}
}
/// Merges two [`Options`] structs, a `Some` in `other`
/// will supercede a `Some` in `self`
// TODO: Maybe a good candidate for a macro?
pub fn merge(&self, other: Options) -> Options {
let disable_mouse_mode = other.disable_mouse_mode.or(self.disable_mouse_mode);
let no_pane_frames = other.no_pane_frames.or(self.no_pane_frames);
let simplified_ui = other.simplified_ui.or(self.simplified_ui);
let default_mode = other.default_mode.or(self.default_mode);
let default_shell = other.default_shell.or_else(|| self.default_shell.clone());
let layout_dir = other.layout_dir.or_else(|| self.layout_dir.clone());
let theme = other.theme.or_else(|| self.theme.clone());
let on_force_close = other.on_force_close.or(self.on_force_close);
Options {
simplified_ui,
theme,
default_mode,
default_shell,
layout_dir,
disable_mouse_mode,
no_pane_frames,
on_force_close,
}
}
/// Merges two [`Options`] structs,
/// - `Some` in `other` will supercede a `Some` in `self`
/// - `Some(bool)` in `other` will toggle a `Some(bool)` in `self`
// TODO: Maybe a good candidate for a macro?
pub fn merge_from_cli(&self, other: Options) -> Options {
let merge_bool = |opt_other: Option<bool>, opt_self: Option<bool>| {
if opt_other.is_some() ^ opt_self.is_some() {
opt_other.or(opt_self)
} else if opt_other.is_some() && opt_self.is_some() {
Some(opt_other.unwrap() ^ opt_self.unwrap())
} else {
None
}
};
let simplified_ui = merge_bool(other.simplified_ui, self.simplified_ui);
let disable_mouse_mode = merge_bool(other.disable_mouse_mode, self.disable_mouse_mode);
let no_pane_frames = merge_bool(other.no_pane_frames, self.no_pane_frames);
let default_mode = other.default_mode.or(self.default_mode);
let default_shell = other.default_shell.or_else(|| self.default_shell.clone());
let layout_dir = other.layout_dir.or_else(|| self.layout_dir.clone());
let theme = other.theme.or_else(|| self.theme.clone());
let on_force_close = other.on_force_close.or(self.on_force_close);
Options {
simplified_ui,
theme,
default_mode,
default_shell,
layout_dir,
disable_mouse_mode,
no_pane_frames,
on_force_close,
}
}
pub fn from_cli(&self, other: Option<Command>) -> Options {
if let Some(Command::Options(options)) = other {
Options::merge_from_cli(self, options.into())
} else {
self.to_owned()
}
}
}
#[derive(Clone, Default, Debug, PartialEq, StructOpt, Serialize, Deserialize)]
/// Options that can be set through cli flags
/// boolean flags end up toggling boolean options in `Options`
pub struct CliOptions {
/// Allow plugins to use a more simplified layout
/// that is compatible with more fonts
#[structopt(long)]
pub simplified_ui: bool,
/// Set the default theme
#[structopt(long)]
pub theme: Option<String>,
/// Set the default mode
#[structopt(long)]
pub default_mode: Option<InputMode>,
/// Set the default shell
#[structopt(long, parse(from_os_str))]
pub default_shell: Option<PathBuf>,
/// Set the layout_dir, defaults to
/// subdirectory of config dir
#[structopt(long, parse(from_os_str))]
pub layout_dir: Option<PathBuf>,
#[structopt(long)]
/// Disable handling of mouse events
pub disable_mouse_mode: bool,
#[structopt(long)]
pub no_pane_frames: bool,
/// Set behaviour on force close (quit or detach)
#[structopt(long)]
pub on_force_close: Option<OnForceClose>,
}
impl From<CliOptions> for Options {
fn from(cli_options: CliOptions) -> Self {
let handle_bool = |bool| {
if bool {
Some(true)
} else {
None
}
};
Self {
simplified_ui: handle_bool(cli_options.simplified_ui),
theme: cli_options.theme,
default_mode: cli_options.default_mode,
default_shell: cli_options.default_shell,
layout_dir: cli_options.layout_dir,
disable_mouse_mode: handle_bool(cli_options.disable_mouse_mode),
no_pane_frames: handle_bool(cli_options.no_pane_frames),
on_force_close: cli_options.on_force_close,
}
}
}
|
