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Add last_focused timestamp to containers

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A new field `struct timespec last_focused` is added to the
`sway_container_state` struct holding a UNIX timestamp telling when this
container last gained focus.  This timestamp is added to the IPC `get_tree`
JSON output.

The rationale is that it allows users writing their own container manipulation
scripts (e.g., window switchers) to sort containers by last-recently-used
order.
This commit is contained in:
Tassilo Horn 2021-01-06 22:24:03 +01:00
parent 40bdd0eecf
commit c92ecaea6f
3 changed files with 14 additions and 0 deletions
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1
include/sway/tree/container.h
View file

@ -52,6 +52,7 @@ struct sway_container_state {
struct sway_container *focused_inactive_child;
bool focused;
struct timespec last_focused;
enum sway_container_border border;
int border_thickness;

7
sway/desktop/transaction.c
View file

@ -152,6 +152,13 @@ static void copy_container_state(struct sway_container *container,
struct sway_seat *seat = input_manager_current_seat();
state->focused = seat_get_focus(seat) == &container->node;
if (state->focused) {
struct timespec ts;
timespec_get(&ts, TIME_UTC);
state->last_focused = ts;
} else {
state->last_focused = container->current.last_focused;
}
if (!container->view) {
struct sway_node *focus =

6
sway/ipc-json.c
View file

@ -634,6 +634,12 @@ static void ipc_json_describe_container(struct sway_container *c, json_object *o
json_object_object_add(object, "marks", marks);
char last_focused[14];
sprintf(last_focused, "%ld%03ld",
c->current.last_focused.tv_sec,
c->current.last_focused.tv_nsec / 1000000);
json_object_object_add(object, "last_focused", json_object_new_string(last_focused));
if (c->view) {
ipc_json_describe_view(c, object);
}