Fix panic when the last window on previous workspace is closed

1 files changed, 20 insertions, 0 deletions

diff --git a/src/layout.rs b/src/layout.rs
index fc354eef..be3b9e5f 100644
--- a/src/layout.rs
+++ b/src/layout.rs
@@ -528,6 +528,10 @@ impl<W: LayoutElement> MonitorSet<W> {
                                 && idx != mon.workspaces.len() - 1
                             {
                                 mon.workspaces.remove(idx);
+
+                                if idx < mon.active_workspace_idx {
+                                    mon.active_workspace_idx -= 1;
+                                }
                             }
 
                             break;
@@ -2612,4 +2616,20 @@ mod tests {
 
         check_ops(&ops);
     }
+
+    #[test]
+    fn test() {
+        let ops = [
+            Op::AddOutput(1),
+            Op::AddWindow {
+                id: 0,
+                bbox: Rectangle::from_loc_and_size((0, 0), (100, 200)),
+                activate: true,
+            },
+            Op::FocusWorkspaceDown,
+            Op::CloseWindow(0),
+        ];
+
+        check_ops(&ops);
+    }
 }