Desktop: Make input routing aware of floating menus (#4498)

* Desktop: Make input routing aware of floating menus

* Desktop: Route mouse input like pen input

* Desktop: Model pointer input routing as a state machine

editor/src/messages/app_window/app_window_message.rs

@@ -5,6 +5,7 @@ use crate::messages::prelude::*;
 pub enum AppWindowMessage {
 	PointerLock,
 	PointerLockMove { x: f64, y: f64 },
+	DirectInput { enabled: bool },
 	Restart,
 	Close,
 	Minimize,

editor/src/messages/app_window/app_window_message_handler.rs

@@ -17,6 +17,12 @@ impl MessageHandler<AppWindowMessage, ()> for AppWindowMessageHandler {
 			AppWindowMessage::PointerLockMove { x, y } => {
 				responses.add(FrontendMessage::WindowPointerLockMove { position: (x, y) });
 			}
+			AppWindowMessage::DirectInput { enabled } => {
+				#[cfg(not(target_family = "wasm"))]
+				responses.add(FrontendMessage::WindowUpdateDirectInput { enabled });
+				#[cfg(target_family = "wasm")]
+				let _ = enabled;
+			}
 			AppWindowMessage::Close => {
 				#[cfg(not(target_family = "wasm"))]
 				responses.add(FrontendMessage::WindowClose);

editor/src/messages/frontend/frontend_message.rs

@@ -350,6 +350,10 @@ pub enum FrontendMessage {
 		position: (f64, f64),
 	},
 	#[cfg(not(target_family = "wasm"))]
+	WindowUpdateDirectInput {
+		enabled: bool,
+	},
+	#[cfg(not(target_family = "wasm"))]
 	WindowClose,
 	#[cfg(not(target_family = "wasm"))]
 	WindowMinimize,