fix(subscriptions): emit ws event on empty targets

This commit ensures that workspace change events get emitted even when
changing to workspaces with no window containers. Previously these were
failing due to early returns triggered when the workspace focused did
not have a focused container.

komorebi/src/process_command.rs

@@ -1389,10 +1389,14 @@ impl WindowManager {
                     );
                 }
 
-                let stack = BORDER_COLOUR_STACK.load(Ordering::SeqCst);
+                // it is not acceptable to fail here; we need to be able to send the event to
-                if stack != 0 && self.focused_container()?.windows().len() > 1 {
+                // subscribers
-                    BORDER_COLOUR_CURRENT
+                if self.focused_container().is_ok() {
-                        .store(stack, Ordering::SeqCst);
+                    let stack = BORDER_COLOUR_STACK.load(Ordering::SeqCst);
+                    if stack != 0 && self.focused_container()?.windows().len() > 1 {
+                        BORDER_COLOUR_CURRENT
+                            .store(stack, Ordering::SeqCst);
+                    }
                 }
 
                 let border = Border::from(BORDER_HWND.load(Ordering::SeqCst));

komorebi/src/window_manager.rs

@@ -852,17 +852,18 @@ impl WindowManager {
             }
         }
 
-        // if we passed false for follow_focus
+        // if we passed false for follow_focus and there is a container on the workspace
-        if !follow_focus
+        if !follow_focus && self.focused_container_mut().is_ok() {
             // and we have a stack with >1 windows
-            && self.focused_container_mut()?.windows().len() > 1
+            if self.focused_container_mut()?.windows().len() > 1
             // and we don't have a maxed window 
             && self.focused_workspace()?.maximized_window().is_none()
             // and we don't have a monocle container
             && self.focused_workspace()?.monocle_container().is_none()
-        {
+            {
-            if let Ok(window) = self.focused_window_mut() {
+                if let Ok(window) = self.focused_window_mut() {
-                window.focus(self.mouse_follows_focus)?;
+                    window.focus(self.mouse_follows_focus)?;
+                }
             }
         };