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helix-plus/helix-term/src/config.rs

108 lines
2.9 KiB
Rust

use crate::keymap::{default::default, merge_keys, Keymap};
use helix_view::document::Mode;
use serde::Deserialize;
use std::collections::HashMap;
use std::fmt::Display;
use std::io::Error as IOError;
use std::path::PathBuf;
use toml::de::Error as TomlError;
#[derive(Debug, Clone, PartialEq, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct Config {
pub theme: Option<String>,
#[serde(default = "default")]
pub keys: HashMap<Mode, Keymap>,
Mouse selection support (#509) * Initial mouse selection support Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Disable mouse event capture if editor crashes Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Translate screen coordinates to view position Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Select full lines by dragging on line numbers Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * editor: don't register dragging as a jump Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Count graphemes correctly Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Do not select lines when dragging on the line number bar Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Split out verify_screen_coords Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Do not iterate over the graphemes twice Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Switch view by clicking on it Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Add disable-mouse config option Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Support multiple selections with mouse Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Remove unnecessary check Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Refactor using match expression Co-authored-by: Gokul Soumya <gokulps15@gmail.com> Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Rename local variable Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Rename mouse option Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Refactor code Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Fix dragging selection Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Fix crash when clicking past last line Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Count characters better Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Remove comparison not needed anymore Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Validate coordinates before resolving position Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Tidy up references to editor tree Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Better way to determine line end and avoid overflow Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Fix for last line Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> * Add unit tests for text_pos_at_screen_coords Signed-off-by: Dmitry Sharshakov <d3dx12.xx@gmail.com> Co-authored-by: Gokul Soumya <gokulps15@gmail.com>
3 years ago
#[serde(default)]
pub editor: helix_view::editor::Config,
}
impl Default for Config {
fn default() -> Config {
Config {
theme: None,
keys: default(),
editor: helix_view::editor::Config::default(),
}
}
}
#[derive(Debug)]
pub enum ConfigLoadError {
BadConfig(TomlError),
Error(IOError),
}
impl Display for ConfigLoadError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
ConfigLoadError::BadConfig(err) => err.fmt(f),
ConfigLoadError::Error(err) => err.fmt(f),
}
}
}
impl Config {
pub fn load(config_path: PathBuf) -> Result<Config, ConfigLoadError> {
match std::fs::read_to_string(config_path) {
Ok(config) => toml::from_str(&config)
.map(merge_keys)
.map_err(ConfigLoadError::BadConfig),
Err(err) => Err(ConfigLoadError::Error(err)),
}
}
pub fn load_default() -> Result<Config, ConfigLoadError> {
Config::load(helix_loader::config_file())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn parsing_keymaps_config_file() {
use crate::keymap;
use crate::keymap::Keymap;
use helix_core::hashmap;
use helix_view::document::Mode;
let sample_keymaps = r#"
[keys.insert]
y = "move_line_down"
S-C-a = "delete_selection"
[keys.normal]
A-F12 = "move_next_word_end"
"#;
assert_eq!(
toml::from_str::<Config>(sample_keymaps).unwrap(),
Config {
keys: hashmap! {
Mode::Insert => Keymap::new(keymap!({ "Insert mode"
"y" => move_line_down,
"S-C-a" => delete_selection,
})),
Mode::Normal => Keymap::new(keymap!({ "Normal mode"
"A-F12" => move_next_word_end,
})),
},
..Default::default()
}
);
}
#[test]
fn keys_resolve_to_correct_defaults() {
// From serde default
let default_keys = toml::from_str::<Config>("").unwrap().keys;
assert_eq!(default_keys, default());
// From the Default trait
let default_keys = Config::default().keys;
assert_eq!(default_keys, default());
}
}