diff options
Diffstat (limited to '')
| -rw-r--r-- | runtime/src/command.rs (renamed from native/src/command.rs) | 55 | 
1 files changed, 39 insertions, 16 deletions
diff --git a/native/src/command.rs b/runtime/src/command.rs index ca9d0b64..cd4c51ff 100644 --- a/native/src/command.rs +++ b/runtime/src/command.rs @@ -3,35 +3,39 @@ mod action;  pub use action::Action; -use crate::widget; - -use iced_futures::MaybeSend; +use crate::core::widget; +use crate::futures::MaybeSend;  use std::fmt;  use std::future::Future;  /// A set of asynchronous actions to be performed by some runtime.  #[must_use = "`Command` must be returned to runtime to take effect"] -pub struct Command<T>(iced_futures::Command<Action<T>>); +pub struct Command<T>(Internal<Action<T>>); + +#[derive(Debug)] +enum Internal<T> { +    None, +    Single(T), +    Batch(Vec<T>), +}  impl<T> Command<T> {      /// Creates an empty [`Command`].      ///      /// In other words, a [`Command`] that does nothing.      pub const fn none() -> Self { -        Self(iced_futures::Command::none()) +        Self(Internal::None)      }      /// Creates a [`Command`] that performs a single [`Action`].      pub const fn single(action: Action<T>) -> Self { -        Self(iced_futures::Command::single(action)) +        Self(Internal::Single(action))      }      /// Creates a [`Command`] that performs a [`widget::Operation`].      pub fn widget(operation: impl widget::Operation<T> + 'static) -> Self { -        Self(iced_futures::Command::single(Action::Widget( -            widget::Action::new(operation), -        ))) +        Self::single(Action::Widget(Box::new(operation)))      }      /// Creates a [`Command`] that performs the action of the given future. @@ -49,9 +53,17 @@ impl<T> Command<T> {      ///      /// Once this command is run, all the commands will be executed at once.      pub fn batch(commands: impl IntoIterator<Item = Command<T>>) -> Self { -        Self(iced_futures::Command::batch( -            commands.into_iter().map(|Command(command)| command), -        )) +        let mut batch = Vec::new(); + +        for Command(command) in commands { +            match command { +                Internal::None => {} +                Internal::Single(command) => batch.push(command), +                Internal::Batch(commands) => batch.extend(commands), +            } +        } + +        Self(Internal::Batch(batch))      }      /// Applies a transformation to the result of a [`Command`]. @@ -63,16 +75,27 @@ impl<T> Command<T> {          T: 'static,          A: 'static,      { -        let Command(command) = self; - -        Command(command.map(move |action| action.map(f.clone()))) +        match self.0 { +            Internal::None => Command::none(), +            Internal::Single(action) => Command::single(action.map(f)), +            Internal::Batch(batch) => Command(Internal::Batch( +                batch +                    .into_iter() +                    .map(|action| action.map(f.clone())) +                    .collect(), +            )), +        }      }      /// Returns all of the actions of the [`Command`].      pub fn actions(self) -> Vec<Action<T>> {          let Command(command) = self; -        command.actions() +        match command { +            Internal::None => Vec::new(), +            Internal::Single(action) => vec![action], +            Internal::Batch(batch) => batch, +        }      }  }  | 
