Revert system menus support

The current implementation has some important issues on Windows. We will reintroduce the feature once we figure them out!

I have kept some of the changes in #945, like the new `keyboard::Modifiers` powered by `bitflags`.

4 files changed, 0 insertions, 167 deletions

diff --git a/core/src/keyboard.rs b/core/src/keyboard.rs
index 6827a4db..4c6ca08d 100644
--- a/core/src/keyboard.rs
+++ b/core/src/keyboard.rs
@@ -1,10 +1,8 @@
 //! Listen to keyboard events.
 mod event;
-mod hotkey;
 mod key_code;
 mod modifiers;
 
 pub use event::Event;
-pub use hotkey::Hotkey;
 pub use key_code::KeyCode;
 pub use modifiers::Modifiers;
diff --git a/core/src/keyboard/hotkey.rs b/core/src/keyboard/hotkey.rs
deleted file mode 100644
index 310ef286..00000000
--- a/core/src/keyboard/hotkey.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-use crate::keyboard::{KeyCode, Modifiers};
-
-/// Representation of a hotkey, consists on the combination of a [`KeyCode`] and [`Modifiers`].
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct Hotkey {
-    /// The key that represents this hotkey.
-    pub key: KeyCode,
-
-    /// The list of modifiers that represents this hotkey.
-    pub modifiers: Modifiers,
-}
-
-impl Hotkey {
-    /// Creates a new [`Hotkey`] with the given [`Modifiers`] and [`KeyCode`].
-    pub fn new(modifiers: Modifiers, key: KeyCode) -> Self {
-        Self { modifiers, key }
-    }
-}
diff --git a/core/src/lib.rs b/core/src/lib.rs
index a0decdab..e937264d 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -15,7 +15,6 @@
 #![forbid(unsafe_code)]
 #![forbid(rust_2018_idioms)]
 pub mod keyboard;
-pub mod menu;
 pub mod mouse;
 pub mod text;
 
@@ -35,7 +34,6 @@ pub use background::Background;
 pub use color::Color;
 pub use font::Font;
 pub use length::Length;
-pub use menu::Menu;
 pub use padding::Padding;
 pub use point::Point;
 pub use rectangle::Rectangle;
diff --git a/core/src/menu.rs b/core/src/menu.rs
deleted file mode 100644
index 8a679085..00000000
--- a/core/src/menu.rs
+++ /dev/null
@@ -1,145 +0,0 @@
-//! Build menus for your application.
-use crate::keyboard::Hotkey;
-
-/// Menu representation.
-///
-/// This can be used by `shell` implementations to create a menu.
-#[derive(Debug, Clone)]
-pub struct Menu<Message> {
-    entries: Vec<Entry<Message>>,
-}
-
-impl<Message> PartialEq for Menu<Message> {
-    fn eq(&self, other: &Self) -> bool {
-        self.entries == other.entries
-    }
-}
-
-impl<Message> Menu<Message> {
-    /// Creates an empty [`Menu`].
-    pub fn new() -> Self {
-        Self::with_entries(Vec::new())
-    }
-
-    /// Creates a new [`Menu`] with the given entries.
-    pub fn with_entries(entries: Vec<Entry<Message>>) -> Self {
-        Self { entries }
-    }
-
-    /// Returns a [`MenuEntry`] iterator.
-    pub fn iter(&self) -> impl Iterator<Item = &Entry<Message>> {
-        self.entries.iter()
-    }
-
-    /// Adds an [`Entry`] to the [`Menu`].
-    pub fn push(mut self, entry: Entry<Message>) -> Self {
-        self.entries.push(entry);
-        self
-    }
-
-    /// Maps the `Message` of the [`Menu`] using the provided function.
-    ///
-    /// This is useful to compose menus and split them into different
-    /// abstraction levels.
-    pub fn map<B>(self, f: impl Fn(Message) -> B + Copy) -> Menu<B> {
-        // TODO: Use a boxed trait to avoid reallocation of entries
-        Menu {
-            entries: self
-                .entries
-                .into_iter()
-                .map(|entry| entry.map(f))
-                .collect(),
-        }
-    }
-}
-
-/// Represents one of the possible entries used to build a [`Menu`].
-#[derive(Debug, Clone)]
-pub enum Entry<Message> {
-    /// Item for a [`Menu`]
-    Item {
-        /// The title of the item
-        title: String,
-        /// The [`Hotkey`] to activate the item, if any
-        hotkey: Option<Hotkey>,
-        /// The message generated when the item is activated
-        on_activation: Message,
-    },
-    /// Dropdown for a [`Menu`]
-    Dropdown {
-        /// Title of the dropdown
-        title: String,
-        /// The submenu of the dropdown
-        submenu: Menu<Message>,
-    },
-    /// Separator for a [`Menu`]
-    Separator,
-}
-
-impl<Message> Entry<Message> {
-    /// Creates an [`Entry::Item`].
-    pub fn item<S: Into<String>>(
-        title: S,
-        hotkey: impl Into<Option<Hotkey>>,
-        on_activation: Message,
-    ) -> Self {
-        let title = title.into();
-        let hotkey = hotkey.into();
-
-        Self::Item {
-            title,
-            hotkey,
-            on_activation,
-        }
-    }
-
-    /// Creates an [`Entry::Dropdown`].
-    pub fn dropdown<S: Into<String>>(title: S, submenu: Menu<Message>) -> Self {
-        let title = title.into();
-
-        Self::Dropdown { title, submenu }
-    }
-
-    fn map<B>(self, f: impl Fn(Message) -> B + Copy) -> Entry<B> {
-        match self {
-            Self::Item {
-                title,
-                hotkey,
-                on_activation,
-            } => Entry::Item {
-                title,
-                hotkey,
-                on_activation: f(on_activation),
-            },
-            Self::Dropdown { title, submenu } => Entry::Dropdown {
-                title,
-                submenu: submenu.map(f),
-            },
-            Self::Separator => Entry::Separator,
-        }
-    }
-}
-
-impl<Message> PartialEq for Entry<Message> {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (
-                Entry::Item { title, hotkey, .. },
-                Entry::Item {
-                    title: other_title,
-                    hotkey: other_hotkey,
-                    ..
-                },
-            ) => title == other_title && hotkey == other_hotkey,
-            (
-                Entry::Dropdown { title, submenu },
-                Entry::Dropdown {
-                    title: other_title,
-                    submenu: other_submenu,
-                },
-            ) => title == other_title && submenu == other_submenu,
-            (Entry::Separator, Entry::Separator) => true,
-            _ => false,
-        }
-    }
-}