Move common keyboard types to iced_core

Also expose them in `iced` through `iced_native` and `iced_web`.

core/src/keyboard.rs

@@ -0,0 +1,6 @@
+//! Reuse basic keyboard types.
+mod key_code;
+mod modifiers_state;
+
+pub use key_code::KeyCode;
+pub use modifiers_state::ModifiersState;

core/src/lib.rs

@@ -14,6 +14,7 @@
 #![deny(unused_results)]
 #![forbid(unsafe_code)]
 #![forbid(rust_2018_idioms)]
+pub mod keyboard;
 
 mod align;
 mod background;

examples/pane_grid/Cargo.toml

@@ -7,4 +7,3 @@ publish = false
 
 [dependencies]
 iced = { path = "../.." }
-iced_native = { path = "../../native" }

examples/pane_grid/src/main.rs

@@ -1,8 +1,8 @@
 use iced::{
-    button, pane_grid, scrollable, Align, Button, Column, Container, Element,
-    HorizontalAlignment, Length, PaneGrid, Sandbox, Scrollable, Settings, Text,
+    button, keyboard, pane_grid, scrollable, Align, Button, Column, Container,
+    Element, HorizontalAlignment, Length, PaneGrid, Sandbox, Scrollable,
+    Settings, Text,
 };
-use iced_native::input::keyboard;
 
 pub fn main() {
     Example::run(Settings::default())

native/src/input/keyboard.rs

@@ -1,8 +1,5 @@
 //! Build keyboard events.
 mod event;
-mod key_code;
-mod modifiers_state;
 
 pub use event::Event;
-pub use key_code::KeyCode;
-pub use modifiers_state::ModifiersState;
+pub use iced_core::keyboard::{KeyCode, ModifiersState};

src/keyboard.rs

@@ -0,0 +1,6 @@
+//! Listen and react to keyboard events.
+#[cfg(not(target_arch = "wasm32"))]
+pub use iced_winit::input::keyboard::{KeyCode, ModifiersState};
+
+#[cfg(target_arch = "wasm32")]
+pub use iced_web::keyboard::{KeyCode, ModifiersState};

src/lib.rs

@@ -183,6 +183,7 @@ mod element;
 mod sandbox;
 
 pub mod executor;
+pub mod keyboard;
 pub mod settings;
 pub mod widget;
 pub mod window;

web/src/lib.rs

@@ -73,8 +73,8 @@ pub use dodrio;
 pub use element::Element;
 pub use hasher::Hasher;
 pub use iced_core::{
-    Align, Background, Color, Font, HorizontalAlignment, Length, Point, Size,
-    Vector, VerticalAlignment,
+    keyboard, Align, Background, Color, Font, HorizontalAlignment, Length,
+    Point, Size, Vector, VerticalAlignment,
 };
 pub use iced_futures::{executor, futures, Command};
 pub use subscription::Subscription;