output_evacuate: call workspace_consider_destroy

This calls `workspace_consider_destroy` on the workspace that was
visible on an output that a workspace was just evacuated to. This
prevents having hidden empty workspaces.

1 files changed, 9 insertions, 0 deletions

diff --git a/sway/tree/output.c b/sway/tree/output.c
index 60e0af9f..146bc423 100644
--- a/sway/tree/output.c
+++ b/sway/tree/output.c
@@ -189,10 +189,19 @@ static void output_evacuate(struct sway_output *output) {
                         continue;
                 }
 
+                struct sway_workspace *new_output_ws =
+                        output_get_active_workspace(new_output);
+
                 workspace_output_add_priority(workspace, new_output);
                 output_add_workspace(new_output, workspace);
                 output_sort_workspaces(new_output);
                 ipc_event_workspace(NULL, workspace, "move");
+
+                // If there is an old workspace (the noop output may not have one),
+                // check to see if it is empty and should be destroyed.
+                if (new_output_ws) {
+                        workspace_consider_destroy(new_output_ws);
+                }
         }
 }