workspace: do not destroy if any seat is focusing

Since each seat has its own focus, do not destroy a workspace until it
is no longer focused by any seat. This prevents seats from being forced
to evacuate the workspace just because another seat switched focus away
from it

1 files changed, 10 insertions, 0 deletions

diff --git a/sway/tree/workspace.c b/sway/tree/workspace.c
index d6819c61..03869d2e 100644
--- a/sway/tree/workspace.c
+++ b/sway/tree/workspace.c
@@ -155,9 +155,19 @@ void workspace_consider_destroy(struct sway_workspace *ws) {
         if (ws->tiling->length || ws->floating->length) {
                 return;
         }
+
         if (ws->output && output_get_active_workspace(ws->output) == ws) {
                 return;
         }
+
+        struct sway_seat *seat;
+        wl_list_for_each(seat, &server.input->seats, link) {
+                struct sway_node *node = seat_get_focus_inactive(seat, &root->node);
+                if (node == &ws->node) {
+                        return;
+                }
+        }
+
         workspace_begin_destroy(ws);
 }