implement error for mpv error

Cargo.lock

@@ -221,6 +221,7 @@ dependencies = [
  "base16ct",
  "bindgen",
  "chrono",
+ "event-listener",
  "gettext-rs",
  "glib-build-tools",
  "gtk4",

Cargo.toml

@@ -8,6 +8,7 @@ adw = { version = "0.7.0", package = "libadwaita", features = ["v1_6"] }
 async-channel = "2.3.1"
 base16ct = { version = "0.2.0", features = ["std"] }
 chrono = { version = "0.4.38", features = ["serde"] }
+event-listener = "5.3.1"
 gettext-rs = { version = "0.7.2", features = ["gettext-system"] }
 gtk = { version = "0.9.2", package = "gtk4", features = ["v4_16"] }
 md-5 = { version = "0.10.6", features = ["asm"] }

src/mpv.rs

@@ -17,14 +17,33 @@ impl Error {
     }
 }
 
-impl std::fmt::Debug for Error {
+use std::fmt;
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
+
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
+        fmt::Display::fmt(
+            unsafe { &CStr::from_ptr(ffi::mpv_error_string(self.0 as c_int)) }
+                .to_str()
+                .unwrap(),
+            f,
+        )
+    }
+}
+
+impl fmt::Debug for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
         f.debug_tuple("Error")
-            .field(unsafe { &CStr::from_ptr(ffi::mpv_error_string(self.0 as c_int)) })
+            .field(
+                &unsafe { &CStr::from_ptr(ffi::mpv_error_string(self.0 as c_int)) }
+                    .to_str()
+                    .unwrap(),
+            )
             .finish()
     }
 }
 
+impl std::error::Error for Error {}
+
 use std::pin::Pin;
 use std::ptr::NonNull;