Add space switching shortcuts

crates/ely_browser_core/src/state.rs

@@ -229,6 +229,32 @@ impl BrowserCore {
         Ok(tab_id)
     }
 
+    pub fn select_next_space(&mut self) -> Result<TabId, CoreError> {
+        let spaces = self.sorted_spaces();
+        let Some(active_index) =
+            spaces.iter().position(|space| space.id() == &self.active_space_id)
+        else {
+            return Err(CoreError::SpaceNotFound { id: self.active_space_id.clone() });
+        };
+
+        let next_index = (active_index + 1) % spaces.len();
+        let space_id = spaces[next_index].id().clone();
+        self.select_space(&space_id)
+    }
+
+    pub fn select_previous_space(&mut self) -> Result<TabId, CoreError> {
+        let spaces = self.sorted_spaces();
+        let Some(active_index) =
+            spaces.iter().position(|space| space.id() == &self.active_space_id)
+        else {
+            return Err(CoreError::SpaceNotFound { id: self.active_space_id.clone() });
+        };
+
+        let previous_index = if active_index == 0 { spaces.len() - 1 } else { active_index - 1 };
+        let space_id = spaces[previous_index].id().clone();
+        self.select_space(&space_id)
+    }
+
     pub fn set_active_space_archive_policy(
         &mut self,
         archive_policy: ArchivePolicy,

crates/ely_browser_core/tests/spaces.rs

@@ -152,6 +152,29 @@ fn space_sidebar_width_updates_selected_space() -> Result<(), Box<dyn Error>> {
     Ok(())
 }
 
+#[test]
+fn selecting_adjacent_spaces_uses_sort_order_with_wraparound() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let work_space_id = core.snapshot()?.active_space_id;
+    let research_space_id = core.create_space("Research", "R", 0x9fc9a2)?;
+    let personal_space_id = core.create_space("Personal", "P", 0x8eb7d4)?;
+
+    core.set_space_sort_key(&work_space_id, 20)?;
+    core.set_space_sort_key(&research_space_id, 10)?;
+    core.set_space_sort_key(&personal_space_id, 30)?;
+    core.select_space(&work_space_id)?;
+
+    core.select_next_space()?;
+    assert_eq!(core.snapshot()?.active_space_id, personal_space_id);
+
+    core.select_next_space()?;
+    assert_eq!(core.snapshot()?.active_space_id, research_space_id);
+
+    core.select_previous_space()?;
+    assert_eq!(core.snapshot()?.active_space_id, personal_space_id);
+    Ok(())
+}
+
 fn active_space_updated_at(
     core: &BrowserCore,
     space_id: &ely_domain::SpaceId,