fix: apply App::Executor to multi-window instance

Cargo.toml

@@ -8,6 +8,7 @@ rust-version = "1.80"
 name = "cosmic"
 
 [features]
+default = ["multi-window"]
 # Accessibility support
 a11y = ["iced/a11y", "iced_accessibility"]
 # Builds support for animated images

src/app/mod.rs

@@ -154,7 +154,7 @@ pub fn run<App: Application>(settings: Settings, flags: App::Flags) -> iced::Res
     }
     #[cfg(feature = "multi-window")]
     {
-        let mut app = multi_window::multi_window(
+        let mut app = multi_window::multi_window::<_, _, _, _, App::Executor>(
             cosmic::Cosmic::title,
             cosmic::Cosmic::update,
             cosmic::Cosmic::view,
@@ -390,7 +390,7 @@ where
         }
         #[cfg(feature = "multi-window")]
         {
-            let mut app = multi_window::multi_window(
+            let mut app = multi_window::multi_window::<_, _, _, _, App::Executor>(
                 cosmic::Cosmic::title,
                 cosmic::Cosmic::update,
                 cosmic::Cosmic::view,

src/app/multi_window.rs

@@ -13,17 +13,18 @@ use iced::{Element, Result, Settings, Subscription, Task};
 
 use std::marker::PhantomData;
 
-pub(crate) struct Instance<State, Message, Theme, Renderer, Update, View> {
+pub(crate) struct Instance<State, Message, Theme, Renderer, Update, View, Executor> {
     update: Update,
     view: View,
     _state: PhantomData<State>,
     _message: PhantomData<Message>,
     _theme: PhantomData<Theme>,
     _renderer: PhantomData<Renderer>,
+    _executor: PhantomData<Executor>,
 }
 
 /// Creates an iced [`MultiWindow`] given its title, update, and view logic.
-pub fn multi_window<State, Message, Theme, Renderer>(
+pub fn multi_window<State, Message, Theme, Renderer, Executor>(
     title: impl Title<State>,
     update: impl application::Update<State, Message>,
     view: impl for<'a> self::View<'a, State, Message, Theme, Renderer>,
@@ -33,23 +34,25 @@ where
     Message: Send + std::fmt::Debug + 'static,
     Theme: Default + DefaultStyle,
     Renderer: program::Renderer,
+    Executor: iced::Executor,
 {
     use std::marker::PhantomData;
 
-    impl<State, Message, Theme, Renderer, Update, View> Program
+    impl<State, Message, Theme, Renderer, Update, View, Executor> Program
-        for Instance<State, Message, Theme, Renderer, Update, View>
+        for Instance<State, Message, Theme, Renderer, Update, View, Executor>
     where
         Message: Send + std::fmt::Debug + 'static,
         Theme: Default + DefaultStyle,
         Renderer: program::Renderer,
         Update: application::Update<State, Message>,
         View: for<'a> self::View<'a, State, Message, Theme, Renderer>,
+        Executor: iced::Executor,
     {
         type State = State;
         type Message = Message;
         type Theme = Theme;
         type Renderer = Renderer;
-        type Executor = iced_futures::backend::default::Executor;
+        type Executor = Executor;
 
         fn update(&self, state: &mut Self::State, message: Self::Message) -> Task<Self::Message> {
             self.update.update(state, message).into()
@@ -72,6 +75,7 @@ where
             _message: PhantomData,
             _theme: PhantomData,
             _renderer: PhantomData,
+            _executor: PhantomData::<Executor>,
         },
         settings: Settings::default(),
         window: None,

src/applet/mod.rs

@@ -188,11 +188,9 @@ impl Context {
         &self,
         icon: widget::icon::Handle,
     ) -> crate::widget::Button<'a, Message> {
-        let mut suggested = self.suggested_size(icon.symbolic);
+        let suggested = self.suggested_size(icon.symbolic);
         let applet_padding = self.suggested_padding(icon.symbolic);
 
-        let is_horizontal = self.is_horizontal();
-
         let symbolic = icon.symbolic;
 
         crate::widget::button::custom(
@@ -414,7 +412,7 @@ pub fn run<App: Application>(flags: App::Flags) -> iced::Result {
 
     // TODO make multi-window not mandatory
 
-    let mut app = super::app::multi_window::multi_window(
+    let mut app = super::app::multi_window::multi_window::<_, _, _, _, App::Executor>(
         cosmic::Cosmic::title,
         cosmic::Cosmic::update,
         cosmic::Cosmic::view,