Remove keypress simulation functionality stub

previously would panic

src/config.rs

@@ -1,5 +1,5 @@
 use int_enum::IntEnum;
-use log::{error, info, warn};
+use log::error;
 use serde::{Deserialize, Serialize};
 use std::path::Path;
 use std::process;
@@ -100,9 +100,6 @@ pub enum KeyMapVariant {
     PipeWire {
         ids: Vec<String>,
     },
-    Key {
-        keycode: u8, //TODO: add real keycodes
-    },
     Exec {
         command: String,
         args: Option<Vec<String>>,

src/controller.rs

@@ -4,6 +4,7 @@ use crate::midi_client::KeyEvent;
 use crate::mpris_client;
 use crossbeam_channel::Receiver;
 use log::{error, info, warn};
+use std::process::{Command, Output};
 use std::sync::Arc;
 use std::thread;
 
@@ -91,8 +92,20 @@ fn eval(key: NanoKeys, state: u8, config: &Arc<Config>) {
                         }
                     },
                     KeyMapVariant::PipeWire { ids } => {}
-                    KeyMapVariant::Key { keycode } => {}
-                    KeyMapVariant::Exec { command, args } => {}
+                    KeyMapVariant::Exec { command, args } => {
+                        let output: Result<Output, std::io::Error> = match args {
+                            Some(some_args) => Command::new(command).args(some_args).output(),
+                            None => Command::new(command).output(),
+                        };
+                        match output {
+                            Ok(out) => {
+                                info!("{:?}", out);
+                            }
+                            Err(err) => {
+                                error!("{:?}", err);
+                            }
+                        }
+                    }
                 }
             }
         }

src/mpris_client.rs

@@ -1,3 +1,4 @@
+use log::warn;
 use mpris::Player;
 use mpris::PlayerFinder;
 use regex::Regex;
@@ -36,10 +37,15 @@ where
 {
     let player = PlayerFinder::new()
         .expect("Could not connect to D-Bus")
-        .find_active()
-        .expect("Could not find any player");
-
-    function(&player);
+        .find_active();
+    match player {
+        Ok(p) => {
+            function(&p);
+        }
+        Err(err) => {
+            warn!("Could not find an active player: {err}");
+        }
+    }
 }
 
 fn exec_functionality<F>(player_id: Option<&str>, exec_closure: F)