Macos space mouse support (#1815)

Thanks @NecroKote.

apps/solidcraft/src/main.rs

@@ -25,7 +25,7 @@ mod native_crash;
 mod native_frame;
 #[cfg(target_os = "macos")]
 mod open_documents;
-#[cfg(any(target_os = "windows", target_os = "linux"))]
+#[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
 mod space_mouse;
 mod startup;
 
@@ -38,7 +38,7 @@ struct App {
     starting: Option<std::path::PathBuf>,
     /// Frames begun; the second one means the first was drawn (startup is over).
     frames: u32,
-    #[cfg(any(target_os = "windows", target_os = "linux"))]
+    #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
     space_mouse: space_mouse::SpaceMouse,
 }
 
@@ -68,7 +68,7 @@ impl eframe::App for App {
             self.solve.open_path_async(&f);
         }
         self.solve.logic(ctx);
-        #[cfg(any(target_os = "windows", target_os = "linux"))]
+        #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
         if !self.solve.file_picker_busy() {
             self.space_mouse.tick(&mut self.solve, ctx);
         }
@@ -78,7 +78,7 @@ impl eframe::App for App {
     }
     fn raw_input_hook(&mut self, _ctx: &egui::Context, raw: &mut egui::RawInput) {
         // Before the app's own hook, which adds the control channel's events.
-        #[cfg(any(target_os = "windows", target_os = "linux"))]
+        #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
         self.space_mouse.raw_input_hook(self.solve.preferences.space_mouse_enabled, raw);
         self.solve.raw_input_hook(raw);
     }
@@ -655,14 +655,14 @@ fn main() -> eframe::Result {
             if !notes.is_empty() {
                 app.set_status(notes.join(" "), true);
             }
-            #[cfg(any(target_os = "windows", target_os = "linux"))]
+            #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
             let space_mouse = space_mouse::SpaceMouse::start(&cc.egui_ctx);
             solidcraft_engine::crash::phase("first frame");
             Ok(Box::new(App {
                 solve: app,
                 starting,
                 frames: 0,
-                #[cfg(any(target_os = "windows", target_os = "linux"))]
+                #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
                 space_mouse,
             }))
         }),