feat: implement `std::error::Error` for custom `Error` enum

4 files changed, 17 insertions, 31 deletions

diff --git a/Cargo.lock b/Cargo.lock
index d65a742..867bd8b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1593,6 +1593,7 @@ dependencies = [
  "rust-format",
  "serde",
  "serde_json",
+ "thiserror",
  "tokio",
  "unique_id",
 ]
@@ -3563,18 +3564,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.64"
+version = "1.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
+checksum = "5d11abd9594d9b38965ef50805c5e469ca9cc6f197f883f717e0269a3057b3d5"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.64"
+version = "1.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
+checksum = "ae71770322cbd277e69d762a16c444af02aa0575ac0d174f0b9562d3b37f8602"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/iced_builder/Cargo.toml b/iced_builder/Cargo.toml
index d788bc2..d08d485 100644
--- a/iced_builder/Cargo.toml
+++ b/iced_builder/Cargo.toml
@@ -19,6 +19,7 @@ rfd = "0.15.0"
 rust-format = "0.3.4"
 unique_id = "0.1.5"
 indexmap = { version = "2.6.0", features = ["serde"] }
+thiserror = "1.0.65"
 
 [[bin]]
 name = "iced-builder"
diff --git a/iced_builder/src/lib.rs b/iced_builder/src/lib.rs
index 1c7af06..14a044e 100644
--- a/iced_builder/src/lib.rs
+++ b/iced_builder/src/lib.rs
@@ -8,41 +8,27 @@ use types::{
     element_name::ElementName, project::Project, rendered_element::RenderedElement, DesignerPage,
 };
 
-#[derive(Debug, Clone)]
+use thiserror::Error;
+
+#[derive(Debug, Clone, Error)]
 pub enum Error {
-    IOError(std::io::ErrorKind),
+    #[error("an IO error accured: {0}")]
+    IOError(String),
+    #[error("a Serde error accured: {0}")]
     SerdeError(String),
+    #[error("an RustFmt error accured: {0}")]
     FormatError(String),
+    #[error("the element tree contains no matching element")]
     NonExistentElement,
+    #[error("the file dialog has been closed without selecting a valid option")]
     DialogClosed,
+    #[error("{0}")]
     String(String),
 }
 
-impl std::fmt::Display for Error {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            Self::SerdeError(string) | Self::FormatError(string) | Self::String(string) => {
-                write!(f, "{}", string)
-            }
-            Self::IOError(kind) => {
-                write!(f, "{}", kind)
-            }
-            Self::NonExistentElement => {
-                write!(f, "The element tree contains no matching element.")
-            }
-            Self::DialogClosed => {
-                write!(
-                    f,
-                    "The file dialog has been closed without selecting a valid option."
-                )
-            }
-        }
-    }
-}
-
 impl From<std::io::Error> for Error {
     fn from(value: std::io::Error) -> Self {
-        Self::IOError(value.kind())
+        Self::IOError(value.to_string())
     }
 }
 
diff --git a/iced_drop/README.md b/iced_drop/README.md
index 3768d54..41b637b 100644
--- a/iced_drop/README.md
+++ b/iced_drop/README.md
@@ -1,7 +1,5 @@
 # iced_drop
 
-# Modified to use iced 0.13.1 for compatibility
-
 A small library which provides a custom widget and operation to make drag and drop easier to implement in [iced](https://github.com/iced-rs/iced/tree/master)
 
 ## Usage