add configuration value to drop default keybindings

resolves #204

README.md

@@ -128,6 +128,8 @@ values are:
   <true/false>
 * `volnorm`: Enable or disable volume normalization, off by default <true/false>
 * `volnorm_pregain`: Normalization pregain to apply (if enabled)
+* `default_keybindings`: If disabled, the default keybindings are discarded, off
+  by default <true/false>
 
 Keybindings can be configured in `[keybindings]` section in `config.toml`, e.g. as such:
 

src/commands.rs

@@ -5,6 +5,7 @@ use std::time::Duration;
 use crate::command::{
     parse, Command, GotoMode, MoveAmount, MoveMode, SeekDirection, ShiftMode, TargetMode,
 };
+use crate::config::Config;
 use crate::library::Library;
 use crate::queue::{Queue, RepeatSetting};
 use crate::spotify::{Spotify, VOLUME_PERCENT};
@@ -36,11 +37,16 @@ impl CommandManager {
         spotify: Arc<Spotify>,
         queue: Arc<Queue>,
         library: Arc<Library>,
-        bindings: Option<HashMap<String, String>>,
+        config: &Config,
     ) -> CommandManager {
-        let mut kb = Self::default_keybindings();
+        let mut kb = if config.default_keybindings.unwrap_or(true) {
+            Self::default_keybindings()
+        } else {
+            HashMap::new()
+        };
+        let custom_bindings: Option<HashMap<String, String>> = config.keybindings.clone();
 
-        for (key, command) in bindings.unwrap_or_default() {
+        for (key, command) in custom_bindings.unwrap_or_default() {
             if let Some(command) = parse(&command) {
                 info!("Custom keybinding: {} -> {:?}", key, command);
                 kb.insert(key, command);

src/config.rs

@@ -9,6 +9,7 @@ pub const CLIENT_ID: &str = "d420a117a32841c2b3474932e49fb54b";
 
 #[derive(Clone, Serialize, Deserialize, Debug, Default)]
 pub struct Config {
+    pub default_keybindings: Option<bool>,
     pub keybindings: Option<HashMap<String, String>>,
     pub theme: Option<ConfigTheme>,
     pub use_nerdfont: Option<bool>,

src/main.rs

@@ -216,12 +216,8 @@ fn main() {
         cfg.use_nerdfont.unwrap_or(false),
     ));
 
-    let mut cmd_manager = CommandManager::new(
-        spotify.clone(),
-        queue.clone(),
-        library.clone(),
-        cfg.keybindings.clone(),
-    );
+    let mut cmd_manager =
+        CommandManager::new(spotify.clone(), queue.clone(), library.clone(), &cfg);
     cmd_manager.register_all();
 
     let cmd_manager = Arc::new(cmd_manager);