use bfs iterator to collect focus stack

This commit is contained in:
Tony Crisci 2018-02-10 16:52:45 -05:00
parent 095ddb1561
commit 145b4fdf58
3 changed files with 26 additions and 22 deletions

View file

@ -163,9 +163,9 @@ swayc_t *swayc_at(swayc_t *parent, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy);
/**
* Get a list of containers that are descendents of the container in rendering
* order
* Apply the function for each child of the container breadth first.
*/
list_t *container_list_children(swayc_t *con);
void container_for_each_bfs(swayc_t *con, void (*f)(swayc_t *con, void *data),
void *data);
#endif

View file

@ -70,6 +70,20 @@ static void handle_new_container(struct wl_listener *listener, void *data) {
seat_container_from_container(seat, con);
}
static void collect_focus_iter(swayc_t *con, void *data) {
struct sway_seat *seat = data;
if (con->type > C_WORKSPACE) {
return;
}
struct sway_seat_container *seat_con =
seat_container_from_container(seat, con);
if (!seat_con) {
return;
}
wl_list_remove(&seat_con->link);
wl_list_insert(&seat->focus_stack, &seat_con->link);
}
struct sway_seat *sway_seat_create(struct sway_input_manager *input,
const char *seat_name) {
struct sway_seat *seat = calloc(1, sizeof(struct sway_seat));
@ -92,17 +106,8 @@ struct sway_seat *sway_seat_create(struct sway_input_manager *input,
// init the focus stack
wl_list_init(&seat->focus_stack);
list_t *containers = container_list_children(&root_container);
if (containers == NULL) {
wlr_seat_destroy(seat->wlr_seat);
free(seat);
return NULL;
}
for (int i = containers->length - 1; i >= 0; --i) {
swayc_t *con = containers->items[i];
seat_container_from_container(seat, con);
}
free(containers);
container_for_each_bfs(&root_container, collect_focus_iter, seat);
wl_signal_add(&root_container.sway_root->events.new_container,
&seat->new_container);

View file

@ -381,13 +381,13 @@ void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), voi
}
}
/**
* Get a list of containers that are descendents of the container in rendering
* order
*/
list_t *container_list_children(swayc_t *con) {
list_t *list = create_list();
void container_for_each_bfs(swayc_t *con, void (*f)(swayc_t *con, void *data),
void *data) {
list_t *queue = create_list();
if (queue == NULL) {
wlr_log(L_ERROR, "could not allocate list");
return;
}
list_add(queue, con);
@ -395,11 +395,10 @@ list_t *container_list_children(swayc_t *con) {
while (queue->length) {
current = queue->items[0];
list_del(queue, 0);
list_add(list, current);
f(current, data);
// TODO floating containers
list_cat(queue, current->children);
}
list_free(queue);
return list;
}