muda 0.20.0

Menu Utilities for Desktop Applications
Documentation 
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// Copyright 2022-2022 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

use thiserror::Error;

pub use crate::accelerator::AcceleratorParseError;

/// Errors returned by muda.
#[non_exhaustive]
#[derive(Error, Debug)]
pub enum Error {
    #[error("This menu item is not a child of this `Menu` or `Submenu`")]
    NotAChildOfThisMenu,
    #[error("Adding this submenu would create a cycle; a submenu cannot contain itself")]
    WouldCreateCycle,
    #[cfg(any(
        windows,
        all(
            any(
                target_os = "linux",
                target_os = "dragonfly",
                target_os = "freebsd",
                target_os = "netbsd",
                target_os = "openbsd"
            ),
            any(feature = "gtk3", feature = "gtk4")
        )
    ))]
    #[error("This menu has not been initialized")]
    NotInitialized,
    #[cfg(any(
        windows,
        all(
            any(
                target_os = "linux",
                target_os = "dragonfly",
                target_os = "freebsd",
                target_os = "netbsd",
                target_os = "openbsd"
            ),
            any(feature = "gtk3", feature = "gtk4")
        )
    ))]
    #[error("This menu has already been initialized")]
    AlreadyInitialized,
    #[error(transparent)]
    AcceleratorParseError(#[from] AcceleratorParseError),
    #[cfg(all(
        any(
            target_os = "linux",
            target_os = "dragonfly",
            target_os = "freebsd",
            target_os = "netbsd",
            target_os = "openbsd"
        ),
        any(feature = "gtk3", feature = "gtk4")
    ))]
    #[error("Gtk Window doesn't have an application")]
    GtkWindowWithoutApplication,
    #[cfg(all(
        any(
            target_os = "linux",
            target_os = "dragonfly",
            target_os = "freebsd",
            target_os = "netbsd",
            target_os = "openbsd"
        ),
        any(feature = "gtk3", feature = "gtk4")
    ))]
    #[error("Unsupported GTK container type")]
    UnsupportedGtkContainer,
}

/// Convenient type alias of Result type for muda.
pub type Result<T> = std::result::Result<T, Error>;