Fix dangling pointer on focus swap/describe WS

This commit is contained in:
Kevin Hamacher 2015-12-14 11:43:17 +01:00
parent 93ac7d43a8
commit 64a183b23d
2 changed files with 11 additions and 1 deletions

View file

@ -96,6 +96,7 @@ bool set_focused_container(swayc_t *c) {
return false; return false;
} }
swayc_t *active_ws = swayc_active_workspace(); swayc_t *active_ws = swayc_active_workspace();
int active_ws_child_count = active_ws->children->length + active_ws->floating->length;
swayc_log(L_DEBUG, c, "Setting focus to %p:%ld", c, c->handle); swayc_log(L_DEBUG, c, "Setting focus to %p:%ld", c, c->handle);
@ -118,6 +119,11 @@ bool set_focused_container(swayc_t *c) {
p = p->parent; p = p->parent;
p->is_focused = false; p->is_focused = false;
} }
// active_ws might have been destroyed by now
// (focus swap away from empty ws = destroy ws)
if (active_ws_child_count == 0) {
active_ws = NULL;
}
// get new focused view and set focus to it. // get new focused view and set focus to it.
p = get_focused_view(c); p = get_focused_view(c);

View file

@ -455,7 +455,11 @@ void ipc_get_outputs_callback(swayc_t *container, void *data) {
void ipc_event_workspace(swayc_t *old, swayc_t *new) { void ipc_event_workspace(swayc_t *old, swayc_t *new) {
json_object *obj = json_object_new_object(); json_object *obj = json_object_new_object();
json_object_object_add(obj, "change", json_object_new_string("focus")); json_object_object_add(obj, "change", json_object_new_string("focus"));
json_object_object_add(obj, "old", ipc_json_describe_workspace(old)); if (old) {
json_object_object_add(obj, "old", ipc_json_describe_workspace(old));
} else {
json_object_object_add(obj, "old", NULL);
}
json_object_object_add(obj, "current", ipc_json_describe_workspace(new)); json_object_object_add(obj, "current", ipc_json_describe_workspace(new));
const char *json_string = json_object_to_json_string(obj); const char *json_string = json_object_to_json_string(obj);