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1 Commits
Author | SHA1 | Date |
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Massimo Redaelli | 652c269b1d |
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@ -39,6 +39,7 @@ pub mod pgp;
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pub mod tags;
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#[macro_use]
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pub mod shortcuts;
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pub mod bindings;
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mod listing;
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pub mod terminal;
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mod themes;
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@ -46,6 +47,7 @@ pub use themes::*;
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pub mod accounts;
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pub use self::accounts::Account;
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pub use self::bindings::*;
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pub use self::composing::*;
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pub use self::pgp::*;
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pub use self::shortcuts::*;
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@ -212,6 +214,7 @@ pub struct FileSettings {
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pub terminal: TerminalSettings,
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#[serde(default)]
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pub log: LogSettings,
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pub bindings: Bindings,
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}
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#[derive(Debug, Clone, Default, Serialize)]
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@ -490,6 +493,7 @@ pub struct Settings {
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pub pgp: PGPSettings,
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pub terminal: TerminalSettings,
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pub log: LogSettings,
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pub bindings: Bindings,
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}
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impl Settings {
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@ -522,6 +526,7 @@ impl Settings {
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pgp: fs.pgp,
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terminal: fs.terminal,
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log: fs.log,
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bindings: fs.bindings,
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})
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}
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@ -545,6 +550,7 @@ impl Settings {
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pgp: fs.pgp,
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terminal: fs.terminal,
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log: fs.log,
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bindings: fs.bindings,
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})
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}
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}
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@ -0,0 +1,84 @@
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/*
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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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use crate::terminal::Key;
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use melib::{MeliError, Result};
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use serde::de::{Deserialize, Deserializer};
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use std::collections::HashMap;
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use toml::Value;
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type BindingType = HashMap<Vec<Key>, String>;
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(deny_unknown_fields)]
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pub struct Bindings {
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#[serde(deserialize_with = "deserialize_bindings")]
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pub normal: BindingType,
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}
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pub fn filter(bs: &BindingType, key: &[(Key, Vec<u8>)]) -> BindingType {
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let mut res: BindingType = bs.clone();
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for (idx, (k, _)) in key.iter().enumerate() {
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res = res.into_iter()
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.filter(|(ks, _)| ks.get(idx).map(|c| c == k).unwrap_or(false))
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.collect()
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}
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res
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}
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fn string_to_keys(s: &str) -> Result<Vec<Key>> {
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s.split_whitespace()
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.map(|s| {
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Key::deserialize(Value::String(s.to_owned()))
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.map_err(|e| MeliError::new(format!("{}", e)))
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})
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.collect()
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}
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fn deserialize_bindings<'de, D>(deserializer: D) -> std::result::Result<BindingType, D::Error>
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where
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D: Deserializer<'de>,
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{
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let map: HashMap<String, String> = HashMap::deserialize(deserializer)?;
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let (ok, errors): (Vec<_>, Vec<_>) = map
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.into_iter()
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.map(|(k, v)| (string_to_keys(&k), v))
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.partition(|(k, _)| k.is_ok());
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if !errors.is_empty() {
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Err(serde::de::Error::custom(
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errors
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.into_iter()
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.map(|(k, _)| format!("{}", k.err().unwrap()))
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.collect::<Vec<_>>()
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.join(","),
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))
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} else {
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Ok(ok.into_iter().map(|(k, v)| (k.unwrap(), v)).collect())
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}
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}
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impl Default for Bindings {
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fn default() -> Self {
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Self {
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normal: HashMap::new(),
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}
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}
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}
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85
src/state.rs
85
src/state.rs
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@ -34,7 +34,7 @@ use melib::backends::{AccountHash, BackendEventConsumer};
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use crate::jobs::JobExecutor;
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use crate::terminal::screen::Screen;
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use crossbeam::channel::{unbounded, Receiver, Sender};
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use crossbeam::channel::{after, unbounded, Receiver, Sender};
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use indexmap::IndexMap;
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use smallvec::SmallVec;
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use std::env;
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@ -48,6 +48,74 @@ struct InputHandler {
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tx: Sender<InputCommand>,
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state_tx: Sender<ThreadEvent>,
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control: std::sync::Weak<()>,
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bindings: Bindings,
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chord_timeout_ms: u32,
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}
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use std::time::{Duration, Instant};
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#[derive(Debug, Clone)]
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struct BindingHandler {
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last_ts: Instant,
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timeoutlen: Duration,
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tx: Sender<ThreadEvent>,
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bindings: Bindings,
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prefix: Vec<(Key, Vec<u8>)>,
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}
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impl BindingHandler {
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pub fn new(tx: Sender<ThreadEvent>, bindings: Bindings, chord_timeout_ms: u32) -> Self {
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BindingHandler {
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tx,
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last_ts: Instant::now(),
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timeoutlen: Duration::new(0, chord_timeout_ms * 1000 * 1000),
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bindings: bindings.clone(),
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prefix: vec![],
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}
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}
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pub fn handle_input(&mut self, key: Key, x: Vec<u8>) -> bool {
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if Instant::now() - self.last_ts > self.timeoutlen && !self.prefix.is_empty() {
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// No input for a while, but some keys left over: just send what we have
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for key in &self.prefix {
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self.tx.send(ThreadEvent::Input(key.clone())).unwrap();
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}
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self.prefix = vec![];
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// and proceed normally
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}
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self.prefix.push((key.clone(), x.clone()));
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let filtered_bindings = filter(&self.bindings.normal, &self.prefix);
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let need_to_wait = match filtered_bindings.len() {
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0 => {
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// No matching macro: send the keys
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for key in &self.prefix {
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self.tx.send(ThreadEvent::Input(key.clone())).unwrap();
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}
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self.prefix = vec![];
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false
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}
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1 => {
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let (keys, cmd) = filtered_bindings.into_iter().next().unwrap();
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if self.prefix.len() == keys.len() {
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// Exact match: send the command
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// TODO: if we want them recursive... not sure
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// TODO: decoding special characters
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for key in cmd.chars() {
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self.tx
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.send(ThreadEvent::Input((Key::Char(key), vec![])))
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.unwrap();
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}
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self.prefix = vec![];
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false
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} else {
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true
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}
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}
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_ => true,
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};
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if need_to_wait {
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self.last_ts = Instant::now();
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}
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need_to_wait
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}
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}
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impl InputHandler {
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@ -62,17 +130,13 @@ impl InputHandler {
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let rx = self.rx.clone();
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let pipe = self.pipe.0;
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let tx = self.state_tx.clone();
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let bindings = self.bindings.clone();
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let timeout = self.chord_timeout_ms.clone();
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thread::Builder::new()
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.name("input-thread".to_string())
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.spawn(move || {
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get_events(
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|i| {
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tx.send(ThreadEvent::Input(i)).unwrap();
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},
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&rx,
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pipe,
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working,
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)
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let mut h = BindingHandler::new(tx.clone(), bindings, timeout);
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get_events(|(k, x)| h.handle_input(k, x), &rx, pipe, working, timeout)
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})
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.unwrap();
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self.control = control;
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@ -302,6 +366,7 @@ impl State {
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let working = Arc::new(());
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let control = Arc::downgrade(&working);
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let bindings = settings.bindings.clone();
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let mut s = State {
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screen: Screen {
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cols,
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@ -344,6 +409,8 @@ impl State {
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tx: input_thread.0,
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control,
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state_tx: sender.clone(),
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bindings,
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chord_timeout_ms: 500u32,
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},
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sender,
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receiver,
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@ -25,7 +25,7 @@ use serde::{Serialize, Serializer};
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use termion::event::Event as TermionEvent;
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use termion::event::Key as TermionKey;
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#[derive(Debug, PartialEq, Eq, Clone)]
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#[derive(Debug, PartialEq, Eq, Clone, Hash)]
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pub enum Key {
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/// Backspace.
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Backspace,
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@ -67,6 +67,7 @@ pub enum Key {
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Esc,
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Mouse(termion::event::MouseEvent),
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Paste(String),
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ChordTimeout,
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}
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pub use termion::event::MouseButton;
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@ -98,6 +99,7 @@ impl fmt::Display for Key {
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Delete => write!(f, "Delete"),
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Insert => write!(f, "Insert"),
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Mouse(_) => write!(f, "Mouse"),
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ChordTimeout => write!(f, "Chord timeout"),
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}
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}
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}
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@ -151,6 +153,8 @@ enum InputMode {
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pub enum InputCommand {
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/// Exit thread
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Kill,
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/// Stop waiting for the next key in a chord
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ChordTimeout,
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}
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use nix::poll::{poll, PollFd, PollFlags};
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@ -166,10 +170,11 @@ use termion::input::TermReadEventsAndRaw;
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*/
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/// The thread function that listens for user input and forwards it to the main event loop.
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pub fn get_events(
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mut closure: impl FnMut((Key, Vec<u8>)),
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mut closure: impl FnMut((Key, Vec<u8>)) -> bool,
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rx: &Receiver<InputCommand>,
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new_command_fd: RawFd,
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working: std::sync::Arc<()>,
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chord_timeout_ms: u32,
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) {
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let stdin = std::io::stdin();
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let stdin_fd = PollFd::new(std::io::stdin().as_raw_fd(), PollFlags::POLLIN);
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@ -177,15 +182,28 @@ pub fn get_events(
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let mut input_mode = InputMode::Normal;
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let mut paste_buf = String::with_capacity(256);
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let mut stdin_iter = stdin.events_and_raw();
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'poll_while: while let Ok(_n_raw) = poll(&mut [new_command_pollfd, stdin_fd], -1) {
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//debug!(_n_raw);
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let mut waiting_for_chord = false;
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'poll_while: while let Ok(_n_raw) = poll(
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&mut [new_command_pollfd, stdin_fd],
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if waiting_for_chord {
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chord_timeout_ms as i32
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} else {
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-1
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},
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) {
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select! {
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default => {
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if _n_raw == 0 {
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if waiting_for_chord {
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waiting_for_chord = closure((Key::ChordTimeout, vec![]));
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}
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continue 'poll_while;
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}
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if stdin_fd.revents().is_some() {
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'stdin_while: while let Some(c) = stdin_iter.next(){
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match (c, &mut input_mode) {
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(Ok((TermionEvent::Key(k), bytes)), InputMode::Normal) => {
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closure((Key::from(k), bytes));
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waiting_for_chord = closure((Key::from(k), bytes));
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continue 'poll_while;
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}
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(
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@ -236,6 +254,10 @@ pub fn get_events(
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let _ = nix::unistd::read(new_command_fd, buf.as_mut());
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match cmd.unwrap() {
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InputCommand::Kill => return,
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InputCommand::ChordTimeout => {
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closure((Key::ChordTimeout, vec![]));
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continue 'poll_while;
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}
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}
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}
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};
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@ -353,6 +375,7 @@ impl Serialize for Key {
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Key::Null => serializer.serialize_str("Null"),
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Key::Mouse(_) => unreachable!(),
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Key::Paste(s) => serializer.serialize_str(s),
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Key::ChordTimeout => unreachable!(),
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}
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}
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}
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@ -93,6 +93,7 @@ pub enum ForkType {
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NewDraft(File, std::process::Child),
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}
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#[derive(Debug, PartialEq, Copy, Clone)]
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pub enum NotificationType {
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Info,
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