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237 lines
7.2 KiB
237 lines
7.2 KiB
#define _XOPEN_SOURCE 700
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#define _POSIX_C_SOURCE 200112L
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#include <assert.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <wlr/util/log.h>
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#include "swaylock/seat.h"
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#include "swaylock/swaylock.h"
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#include "background-image.h"
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#include "pool-buffer.h"
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#include "cairo.h"
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#include "util.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static void daemonize() {
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if (fork() == 0) {
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int devnull = open("/dev/null", O_RDWR);
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dup2(STDOUT_FILENO, devnull);
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dup2(STDERR_FILENO, devnull);
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chdir("/");
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} else {
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exit(0);
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}
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}
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *layer_surface,
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uint32_t serial, uint32_t width, uint32_t height) {
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struct swaylock_surface *surface = data;
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surface->width = width;
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surface->height = height;
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zwlr_layer_surface_v1_ack_configure(layer_surface, serial);
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render_frame(surface);
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}
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static void layer_surface_closed(void *data,
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struct zwlr_layer_surface_v1 *layer_surface) {
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struct swaylock_surface *surface = data;
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zwlr_layer_surface_v1_destroy(surface->layer_surface);
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wl_surface_destroy(surface->surface);
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surface->state->run_display = false;
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}
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static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layer_surface_configure,
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.closed = layer_surface_closed,
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};
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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struct swaylock_state *state = data;
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
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state->compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 1);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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state->shm = wl_registry_bind(registry, name,
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&wl_shm_interface, 1);
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
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struct wl_seat *seat = wl_registry_bind(
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registry, name, &wl_seat_interface, 1);
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wl_seat_add_listener(seat, &seat_listener, state);
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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state->layer_shell = wl_registry_bind(
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registry, name, &zwlr_layer_shell_v1_interface, 1);
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} else if (strcmp(interface, wl_output_interface.name) == 0) {
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struct swaylock_surface *surface =
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calloc(1, sizeof(struct swaylock_surface));
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surface->state = state;
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surface->output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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wl_list_insert(&state->surfaces, &surface->link);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// who cares
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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static struct swaylock_state state;
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static void sigalarm_handler(int sig) {
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signal(SIGALRM, SIG_IGN);
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// TODO: Hide typing indicator
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signal(SIGALRM, sigalarm_handler);
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}
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int main(int argc, char **argv) {
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signal(SIGALRM, sigalarm_handler);
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static struct option long_options[] = {
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{"help", no_argument, NULL, 'h'},
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{"color", required_argument, NULL, 'c'},
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{"image", required_argument, NULL, 'i'},
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{"scaling", required_argument, NULL, 's'},
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{"tiling", no_argument, NULL, 't'},
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{"version", no_argument, NULL, 'v'},
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{"socket", required_argument, NULL, 'p'},
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{"no-unlock-indicator", no_argument, NULL, 'u'},
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{"daemonize", no_argument, NULL, 'f'},
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{0, 0, 0, 0}
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};
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const char *usage =
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"Usage: swaylock [options...]\n"
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"\n"
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" -h, --help Show help message and quit.\n"
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" -c, --color <rrggbb[aa]> Turn the screen into the given color instead of white.\n"
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" -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n"
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" -t, --tiling Same as --scaling=tile.\n"
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" -v, --version Show the version number and quit.\n"
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" -i, --image [<output>:]<path> Display the given image.\n"
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" -u, --no-unlock-indicator Disable the unlock indicator.\n"
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" -f, --daemonize Detach from the controlling terminal.\n"
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" --socket <socket> Use the specified socket.\n";
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struct swaylock_args args = {
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.mode = BACKGROUND_MODE_SOLID_COLOR,
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.color = 0xFFFFFFFF,
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.show_indicator = true,
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};
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cairo_surface_t *background_image = NULL;
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state.args = args;
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wlr_log_init(L_DEBUG, NULL);
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int c;
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while (1) {
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int option_index = 0;
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c = getopt_long(argc, argv, "hc:i:s:tvuf", long_options, &option_index);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'c': {
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state.args.color = parse_color(optarg);
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state.args.mode = BACKGROUND_MODE_SOLID_COLOR;
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break;
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}
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case 'i':
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// TODO: Multiple background images (bleh)
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background_image = load_background_image(optarg);
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if (!background_image) {
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return 1;
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}
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state.args.mode = BACKGROUND_MODE_FILL;
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break;
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case 's':
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state.args.mode = parse_background_mode(optarg);
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if (state.args.mode == BACKGROUND_MODE_INVALID) {
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return 1;
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}
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break;
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case 't':
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state.args.mode = BACKGROUND_MODE_TILE;
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break;
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case 'v':
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#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
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fprintf(stdout, "swaylock version %s (%s, branch \"%s\")\n",
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SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
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#else
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fprintf(stdout, "version unknown\n");
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#endif
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return 0;
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case 'u':
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state.args.show_indicator = false;
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break;
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case 'f':
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daemonize();
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break;
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default:
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fprintf(stderr, "%s", usage);
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return 1;
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}
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}
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wl_list_init(&state.surfaces);
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state.xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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assert(state.display = wl_display_connect(NULL));
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struct wl_registry *registry = wl_display_get_registry(state.display);
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wl_registry_add_listener(registry, ®istry_listener, &state);
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wl_display_roundtrip(state.display);
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assert(state.compositor && state.layer_shell && state.shm);
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if (wl_list_empty(&state.surfaces)) {
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wlr_log(L_DEBUG, "Exiting - no outputs to show on.");
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return 0;
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}
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struct swaylock_surface *surface;
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wl_list_for_each(surface, &state.surfaces, link) {
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surface->image = background_image;
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assert(surface->surface =
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wl_compositor_create_surface(state.compositor));
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surface->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
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state.layer_shell, surface->surface, surface->output,
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ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, "lockscreen");
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assert(surface->layer_surface);
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zwlr_layer_surface_v1_set_size(surface->layer_surface, 0, 0);
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zwlr_layer_surface_v1_set_anchor(surface->layer_surface,
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ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT);
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zwlr_layer_surface_v1_set_exclusive_zone(surface->layer_surface, -1);
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zwlr_layer_surface_v1_set_keyboard_interactivity(
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surface->layer_surface, true);
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zwlr_layer_surface_v1_add_listener(surface->layer_surface,
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&layer_surface_listener, surface);
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wl_surface_commit(surface->surface);
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wl_display_roundtrip(state.display);
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}
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state.run_display = true;
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while (wl_display_dispatch(state.display) != -1 && state.run_display) {
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// This space intentionally left blank
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}
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return 0;
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}
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