iced/native/src/window/action.rs
2022-10-11 21:56:45 +02:00

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use crate::window::Mode;
use iced_futures::MaybeSend;
use std::fmt;
/// An operation to be performed on some window.
pub enum Action<T> {
/// Moves the window with the left mouse button until the button is
/// released.
///
/// Theres no guarantee that this will work unless the left mouse
/// button was pressed immediately before this function is called.
Drag,
/// Resize the window.
Resize {
/// The new logical width of the window
width: u32,
/// The new logical height of the window
height: u32,
},
/// Sets the window to maximized or back
Maximize(bool),
/// Set the window to minimized or back
Minimize(bool),
/// Move the window.
///
/// Unsupported on Wayland.
Move {
/// The new logical x location of the window
x: i32,
/// The new logical y location of the window
y: i32,
},
/// Set the [`Mode`] of the window.
SetMode(Mode),
/// Sets the window to maximized or back
ToggleMaximize,
/// Fetch the current [`Mode`] of the window.
FetchMode(Box<dyn FnOnce(Mode) -> T + 'static>),
}
impl<T> Action<T> {
/// Maps the output of a window [`Action`] using the provided closure.
pub fn map<A>(
self,
f: impl Fn(T) -> A + 'static + MaybeSend + Sync,
) -> Action<A>
where
T: 'static,
{
match self {
Self::Drag => Action::Drag,
Self::Resize { width, height } => Action::Resize { width, height },
Self::Maximize(bool) => Action::Maximize(bool),
Self::Minimize(bool) => Action::Minimize(bool),
Self::Move { x, y } => Action::Move { x, y },
Self::SetMode(mode) => Action::SetMode(mode),
Self::ToggleMaximize => Action::ToggleMaximize,
Self::FetchMode(o) => Action::FetchMode(Box::new(move |s| f(o(s)))),
}
}
}
impl<T> fmt::Debug for Action<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Drag => write!(f, "Action::Drag"),
Self::Resize { width, height } => write!(
f,
"Action::Resize {{ widget: {}, height: {} }}",
width, height
),
Self::Maximize(value) => write!(f, "Action::Maximize({})", value),
Self::Minimize(value) => write!(f, "Action::Minimize({}", value),
Self::Move { x, y } => {
write!(f, "Action::Move {{ x: {}, y: {} }}", x, y)
}
Self::SetMode(mode) => write!(f, "Action::SetMode({:?})", mode),
Self::ToggleMaximize => write!(f, "Action::ToggleMaximize"),
Self::FetchMode(_) => write!(f, "Action::FetchMode"),
}
}
}