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use log::error;
use serde::{Deserialize, Deserializer};
use alacritty_terminal::config::{failure_default, LOG_TARGET_CONFIG};
use crate::config::bindings::{self, Binding, KeyBinding, MouseBinding};
use crate::config::mouse::Mouse;
#[derive(Debug, PartialEq, Deserialize)]
pub struct UIConfig {
#[serde(default, deserialize_with = "failure_default")]
pub mouse: Mouse,
/// Keybindings.
#[serde(default = "default_key_bindings", deserialize_with = "deserialize_key_bindings")]
pub key_bindings: Vec<KeyBinding>,
/// Bindings for the mouse.
#[serde(default = "default_mouse_bindings", deserialize_with = "deserialize_mouse_bindings")]
pub mouse_bindings: Vec<MouseBinding>,
}
impl Default for UIConfig {
fn default() -> Self {
UIConfig {
mouse: Mouse::default(),
key_bindings: default_key_bindings(),
mouse_bindings: default_mouse_bindings(),
}
}
}
fn default_key_bindings() -> Vec<KeyBinding> {
bindings::default_key_bindings()
}
fn default_mouse_bindings() -> Vec<MouseBinding> {
bindings::default_mouse_bindings()
}
fn deserialize_key_bindings<'a, D>(deserializer: D) -> Result<Vec<KeyBinding>, D::Error>
where
D: Deserializer<'a>,
{
deserialize_bindings(deserializer, bindings::default_key_bindings())
}
fn deserialize_mouse_bindings<'a, D>(deserializer: D) -> Result<Vec<MouseBinding>, D::Error>
where
D: Deserializer<'a>,
{
deserialize_bindings(deserializer, bindings::default_mouse_bindings())
}
fn deserialize_bindings<'a, D, T>(
deserializer: D,
mut default: Vec<Binding<T>>,
) -> Result<Vec<Binding<T>>, D::Error>
where
D: Deserializer<'a>,
T: Copy + Eq,
Binding<T>: Deserialize<'a>,
{
let values = Vec::<serde_yaml::Value>::deserialize(deserializer)?;
// Skip all invalid values.
let mut bindings = Vec::with_capacity(values.len());
for value in values {
match Binding::<T>::deserialize(value) {
Ok(binding) => bindings.push(binding),
Err(err) => {
error!(target: LOG_TARGET_CONFIG, "Problem with config: {}; ignoring binding", err);
},
}
}
// Remove matching default bindings.
for binding in bindings.iter() {
default.retain(|b| !b.triggers_match(binding));
}
bindings.extend(default);
Ok(bindings)
}
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