feat: derive serde for more types

.changes/serde.md

@@ -0,0 +1,5 @@
+---
+"muda": "patch"
+---
+
+Derive `serde` for more types.

src/about_metadata.rs

@@ -2,6 +2,7 @@ use crate::icon::Icon;
 
 /// Application metadata for the [`PredefinedMenuItem::about`](crate::PredefinedMenuItem::about).
 #[derive(Debug, Clone, Default)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AboutMetadata {
     /// Sets the application name.
     pub name: Option<String>,

src/accelerator.rs

@@ -39,6 +39,7 @@ pub const CMD_OR_CTRL: Modifiers = Modifiers::CONTROL;
 /// of modifier keys (provided by [`Modifiers`](crate::accelerator::Modifiers)) and
 /// one key ([`Code`](crate::accelerator::Code)).
 #[derive(Debug, Clone, PartialEq, Eq, Hash, Copy)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Accelerator {
     pub(crate) mods: Modifiers,
     pub(crate) key: Code,

src/icon.rs

@@ -171,6 +171,7 @@ impl Icon {
 ///
 /// - **Windows / Linux**: Unsupported.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum NativeIcon {
     /// An add item template image.
     Add,

src/lib.rs

@@ -259,6 +259,7 @@ pub unsafe trait IsMenuItem {
 }
 
 #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub(crate) enum MenuItemType {
     MenuItem,
     Submenu,
@@ -324,6 +325,7 @@ pub trait ContextMenu {
 
 /// Describes a menu event emitted when a menu item is activated
 #[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct MenuEvent {
     /// Id of the menu item which triggered this event
     pub id: MenuId,

src/menu_id.rs

@@ -2,6 +2,7 @@ use std::{convert::Infallible, str::FromStr};
 
 /// An unique id that is associated with a menu or a menu item.
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Default, Hash)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct MenuId(pub String);
 
 impl MenuId {