Configurable keys 2 (Mapping keys to commands) (#268)

* Add convenience/clarity wrapper for Range initialization

* Add keycode parse and display methods

* Add remapping functions and tests

* Implement key remapping

* Add remapping book entry

* Use raw string literal for toml

* Add command constants

* Make command functions private

* Map directly to commands

* Match key parsing/displaying to Kakoune

* Formatting pass

* Update documentation

* Formatting

* Fix example in the book

* Refactor into single config file

* Formatting

* Refactor configuration and add keymap newtype wrappers

* Address first batch of PR comments

* Replace FromStr with custom deserialize

1 files changed, 9 insertions, 2 deletions

diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index 9d4e1c5b..ef912480 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -1,6 +1,6 @@
 use helix_term::application::Application;
 use helix_term::args::Args;
-
+use helix_term::config::Config;
 use std::path::PathBuf;
 
 use anyhow::{Context, Result};
@@ -89,10 +89,17 @@ FLAGS:
         std::fs::create_dir_all(&conf_dir).ok();
     }
 
+    let config = std::fs::read_to_string(conf_dir.join("config.toml"))
+        .ok()
+        .map(|s| toml::from_str(&s))
+        .transpose()?
+        .or_else(|| Some(Config::default()))
+        .unwrap();
+
     setup_logging(logpath, args.verbosity).context("failed to initialize logging")?;
 
     // TODO: use the thread local executor to spawn the application task separately from the work pool
-    let mut app = Application::new(args).context("unable to create new appliction")?;
+    let mut app = Application::new(args, config).context("unable to create new application")?;
     app.run().await.unwrap();
 
     Ok(())