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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include "log.h"
#include "sway/input/keyboard.h"
#include "sway/input/seat.h"
#include "sway/output.h"
#include "sway/server.h"
struct sway_session_lock_surface {
struct wlr_session_lock_surface_v1 *lock_surface;
struct sway_output *output;
struct wlr_surface *surface;
struct wl_listener map;
struct wl_listener destroy;
struct wl_listener surface_commit;
struct wl_listener output_mode;
struct wl_listener output_commit;
};
static void handle_surface_map(struct wl_listener *listener, void *data) {
struct sway_session_lock_surface *surf = wl_container_of(listener, surf, map);
sway_force_focus(surf->surface);
output_damage_whole(surf->output);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct sway_session_lock_surface *surf = wl_container_of(listener, surf, surface_commit);
output_damage_surface(surf->output, 0, 0, surf->surface, false);
}
static void handle_output_mode(struct wl_listener *listener, void *data) {
struct sway_session_lock_surface *surf = wl_container_of(listener, surf, output_mode);
wlr_session_lock_surface_v1_configure(surf->lock_surface,
surf->output->width, surf->output->height);
}
static void handle_output_commit(struct wl_listener *listener, void *data) {
struct wlr_output_event_commit *event = data;
struct sway_session_lock_surface *surf = wl_container_of(listener, surf, output_commit);
if (event->committed & (
WLR_OUTPUT_STATE_MODE |
WLR_OUTPUT_STATE_SCALE |
WLR_OUTPUT_STATE_TRANSFORM)) {
wlr_session_lock_surface_v1_configure(surf->lock_surface,
surf->output->width, surf->output->height);
}
}
static void handle_surface_destroy(struct wl_listener *listener, void *data) {
struct sway_session_lock_surface *surf = wl_container_of(listener, surf, destroy);
wl_list_remove(&surf->map.link);
wl_list_remove(&surf->destroy.link);
wl_list_remove(&surf->surface_commit.link);
wl_list_remove(&surf->output_mode.link);
wl_list_remove(&surf->output_commit.link);
output_damage_whole(surf->output);
free(surf);
}
static void handle_new_surface(struct wl_listener *listener, void *data) {
struct wlr_session_lock_surface_v1 *lock_surface = data;
struct sway_session_lock_surface *surf = calloc(1, sizeof(*surf));
if (surf == NULL) {
return;
}
sway_log(SWAY_DEBUG, "new lock layer surface");
struct sway_output *output = lock_surface->output->data;
wlr_session_lock_surface_v1_configure(lock_surface, output->width, output->height);
surf->lock_surface = lock_surface;
surf->surface = lock_surface->surface;
surf->output = output;
surf->map.notify = handle_surface_map;
wl_signal_add(&lock_surface->events.map, &surf->map);
surf->destroy.notify = handle_surface_destroy;
wl_signal_add(&lock_surface->events.destroy, &surf->destroy);
surf->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surf->surface->events.commit, &surf->surface_commit);
surf->output_mode.notify = handle_output_mode;
wl_signal_add(&output->wlr_output->events.mode, &surf->output_mode);
surf->output_commit.notify = handle_output_commit;
wl_signal_add(&output->wlr_output->events.commit, &surf->output_commit);
}
static void handle_unlock(struct wl_listener *listener, void *data) {
sway_log(SWAY_DEBUG, "session unlocked");
server.session_lock.locked = false;
server.session_lock.lock = NULL;
wl_list_remove(&server.session_lock.lock_new_surface.link);
wl_list_remove(&server.session_lock.lock_unlock.link);
wl_list_remove(&server.session_lock.lock_destroy.link);
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seat_set_exclusive_client(seat, NULL);
// copied from seat_set_focus_layer -- deduplicate?
struct sway_node *previous = seat_get_focus_inactive(seat, &root->node);
if (previous) {
// Hack to get seat to re-focus the return value of get_focus
seat_set_focus(seat, NULL);
seat_set_focus(seat, previous);
}
}
// redraw everything
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
output_damage_whole(output);
}
}
static void handle_abandon(struct wl_listener *listener, void *data) {
sway_log(SWAY_INFO, "session lock abandoned");
server.session_lock.lock = NULL;
wl_list_remove(&server.session_lock.lock_new_surface.link);
wl_list_remove(&server.session_lock.lock_unlock.link);
wl_list_remove(&server.session_lock.lock_destroy.link);
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seat->exclusive_client = NULL;
}
// redraw everything
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
output_damage_whole(output);
}
}
static void handle_session_lock(struct wl_listener *listener, void *data) {
struct wlr_session_lock_v1 *lock = data;
struct wl_client *client = wl_resource_get_client(lock->resource);
if (server.session_lock.lock) {
wlr_session_lock_v1_destroy(lock);
return;
}
sway_log(SWAY_DEBUG, "session locked");
server.session_lock.locked = true;
server.session_lock.lock = lock;
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seat_set_exclusive_client(seat, client);
}
wl_signal_add(&lock->events.new_surface, &server.session_lock.lock_new_surface);
wl_signal_add(&lock->events.unlock, &server.session_lock.lock_unlock);
wl_signal_add(&lock->events.destroy, &server.session_lock.lock_destroy);
wlr_session_lock_v1_send_locked(lock);
// redraw everything
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
output_damage_whole(output);
}
}
static void handle_session_lock_destroy(struct wl_listener *listener, void *data) {
assert(server.session_lock.lock == NULL);
wl_list_remove(&server.session_lock.new_lock.link);
wl_list_remove(&server.session_lock.manager_destroy.link);
}
void sway_session_lock_init(void) {
server.session_lock.manager = wlr_session_lock_manager_v1_create(server.wl_display);
server.session_lock.lock_new_surface.notify = handle_new_surface;
server.session_lock.lock_unlock.notify = handle_unlock;
server.session_lock.lock_destroy.notify = handle_abandon;
server.session_lock.new_lock.notify = handle_session_lock;
server.session_lock.manager_destroy.notify = handle_session_lock_destroy;
wl_signal_add(&server.session_lock.manager->events.new_lock,
&server.session_lock.new_lock);
wl_signal_add(&server.session_lock.manager->events.destroy,
&server.session_lock.manager_destroy);
}
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