feat: deactivate empty non-current workspace on window close (#801)

packages/wm/src/common/events/handle_window_destroyed.rs

@@ -1,8 +1,11 @@
+use anyhow::Context;
 use tracing::info;
 
 use crate::{
   common::platform::NativeWindow, windows::commands::unmanage_window,
   wm_state::WmState,
+  containers::traits::CommonGetters,
+  workspaces::commands::deactivate_workspace
 };
 
 pub fn handle_window_destroyed(
@@ -14,8 +17,15 @@ pub fn handle_window_destroyed(
   // Unmanage the window if it's currently managed.
   if let Some(window) = found_window {
     // TODO: Log window details.
+    let workspace = window.workspace().context("No workspace.")?;
+
     info!("Window closed");
     unmanage_window(window, state)?;
+
+    // Destroy parent workspace if window was killed while its workspace was not displayed (e.g. via task manager).
+    if !workspace.config().keep_alive && !workspace.has_children() && !workspace.is_displayed() {
+      deactivate_workspace(workspace, state)?;
+    }
   }
 
   Ok(())