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main.c
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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <poll.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wordexp.h>
#include "background-image.h"
#include "cairo.h"
#include "comm.h"
#include "log.h"
#include "loop.h"
#include "pool-buffer.h"
#include "seat.h"
#include "swaylock.h"
#include "wlr-input-inhibitor-unstable-v1-client-protocol.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
#include "wlr-screencopy-unstable-v1-client-protocol.h"
#include "xdg-output-unstable-v1-client-protocol.h"
#include "ext-session-lock-v1-client-protocol.h"
// returns a positive integer in milliseconds
static uint32_t parse_seconds(const char *seconds) {
char *endptr;
errno = 0;
float val = strtof(seconds, &endptr);
if (errno != 0) {
swaylock_log(LOG_DEBUG, "Invalid number for seconds %s, defaulting to 0", seconds);
return 0;
}
if (endptr == seconds) {
swaylock_log(LOG_DEBUG, "No digits were found in %s, defaulting to 0", seconds);
return 0;
}
if (val < 0) {
swaylock_log(LOG_DEBUG, "Negative seconds not allowed for %s, defaulting to 0", seconds);
return 0;
}
return (uint32_t)floor(val * 1000);
}
static uint32_t parse_color(const char *color) {
if (color[0] == '#') {
++color;
}
int len = strlen(color);
if (len != 6 && len != 8) {
swaylock_log(LOG_DEBUG, "Invalid color %s, defaulting to 0xFFFFFFFF",
color);
return 0xFFFFFFFF;
}
uint32_t res = (uint32_t)strtoul(color, NULL, 16);
if (strlen(color) == 6) {
res = (res << 8) | 0xFF;
}
return res;
}
static const char *parse_screen_pos(const char *str, struct swaylock_effect_screen_pos *pos) {
char *eptr;
float res = strtof(str, &eptr);
if (eptr == str)
return NULL;
pos->pos = res;
if (eptr[0] == '%') {
pos->is_percent = true;
return eptr + 1;
} else {
pos->is_percent = false;
return eptr;
}
}
static const char *parse_screen_pos_pair(const char *str, char delim,
struct swaylock_effect_screen_pos *pos1,
struct swaylock_effect_screen_pos *pos2) {
struct swaylock_effect_screen_pos tpos1, tpos2;
str = parse_screen_pos(str, &tpos1);
if (str == NULL || str[0] != delim)
return NULL;
str = parse_screen_pos(str + 1, &tpos2);
if (str == NULL)
return NULL;
pos1->pos = tpos1.pos;
pos1->is_percent = tpos1.is_percent;
pos2->pos = tpos2.pos;
pos2->is_percent = tpos2.is_percent;
return str;
}
static const char *parse_constant(const char *str1, const char *str2) {
size_t len = strlen(str2);
if (strncmp(str1, str2, len) == 0) {
return str1 + len;
} else {
return NULL;
}
}
static int parse_gravity_from_xy(float x, float y) {
if (x >= 0 && y >= 0)
return EFFECT_COMPOSE_GRAV_NW;
else if (x >= 0 && y < 0)
return EFFECT_COMPOSE_GRAV_SW;
else if (x < 0 && y >= 0)
return EFFECT_COMPOSE_GRAV_NE;
else
return EFFECT_COMPOSE_GRAV_SE;
}
static void parse_effect_compose(const char *str, struct swaylock_effect *effect) {
effect->e.compose.x = effect->e.compose.y = (struct swaylock_effect_screen_pos) { 50, 1 }; // 50%
effect->e.compose.w = effect->e.compose.h = (struct swaylock_effect_screen_pos) { -1, 0 }; // -1
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_CENTER;
effect->e.compose.imgpath = NULL;
// Parse position if they exist
const char *s = parse_screen_pos_pair(str, ',', &effect->e.compose.x, &effect->e.compose.y);
if (s == NULL) {
s = str;
} else {
// If we're given an x/y position, determine gravity automatically
// from whether x and y is positive or not
effect->e.compose.gravity = parse_gravity_from_xy(
effect->e.compose.x.pos, effect->e.compose.y.pos);
s += 1;
str = s;
}
// Parse dimensions if they exist
s = parse_screen_pos_pair(str, 'x', &effect->e.compose.w, &effect->e.compose.h);
if (s == NULL) {
s = str;
} else {
s += 1;
str = s;
}
// Parse gravity if it exists
if ((s = parse_constant(str, "center;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_CENTER;
else if ((s = parse_constant(str, "northwest;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_NW;
else if ((s = parse_constant(str, "northeast;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_NE;
else if ((s = parse_constant(str, "southwest;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_SW;
else if ((s = parse_constant(str, "southeast;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_SE;
else if ((s = parse_constant(str, "north;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_N;
else if ((s = parse_constant(str, "south;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_S;
else if ((s = parse_constant(str, "east;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_E;
else if ((s = parse_constant(str, "west;")) != NULL)
effect->e.compose.gravity = EFFECT_COMPOSE_GRAV_W;
if (s == NULL) {
s = str;
} else {
str = s;
}
// The rest is the file name
effect->e.compose.imgpath = strdup(str);
}
int lenient_strcmp(char *a, char *b) {
if (a == b) {
return 0;
} else if (!a) {
return -1;
} else if (!b) {
return 1;
} else {
return strcmp(a, b);
}
}
static int daemonize_start() {
swaylock_trace();
int fds[2];
if (pipe(fds) != 0) {
swaylock_log(LOG_ERROR, "Failed to pipe");
exit(1);
}
if (fork() == 0) {
setsid();
close(fds[0]);
int devnull = open("/dev/null", O_RDWR);
dup2(STDOUT_FILENO, devnull);
dup2(STDERR_FILENO, devnull);
close(devnull);
uint8_t success = 0;
if (chdir("/") != 0) {
write(fds[1], &success, 1);
exit(1);
}
return fds[1];
} else {
close(fds[1]);
uint8_t success;
if (read(fds[0], &success, 1) != 1 || !success) {
swaylock_log(LOG_ERROR, "Failed to daemonize");
exit(1);
}
close(fds[0]);
exit(0);
}
}
static void daemonize_done(void *fdptr) {
swaylock_trace();
int *fd = (int *)fdptr;
if (*fd < 0) {
return;
}
uint8_t success = 1;
if (write(*fd, &success, 1) != 1) {
swaylock_log(LOG_ERROR, "Failed to tell parent process that daemonization is done");
exit(1);
}
close(*fd);
*fd = -1;
}
static void destroy_surface(struct swaylock_surface *surface) {
swaylock_log(LOG_DEBUG, "Destroy surface for output %s", surface->output_name);
wl_list_remove(&surface->link);
if (surface->layer_surface != NULL) {
zwlr_layer_surface_v1_destroy(surface->layer_surface);
}
if (surface->ext_session_lock_surface_v1 != NULL) {
ext_session_lock_surface_v1_destroy(surface->ext_session_lock_surface_v1);
}
if (surface->surface != NULL) {
wl_surface_destroy(surface->surface);
}
destroy_buffer(&surface->buffers[0]);
destroy_buffer(&surface->buffers[1]);
destroy_buffer(&surface->indicator_buffers[0]);
destroy_buffer(&surface->indicator_buffers[1]);
fade_destroy(&surface->fade);
wl_output_destroy(surface->output);
free(surface);
}
static const struct zwlr_layer_surface_v1_listener layer_surface_listener;
static const struct ext_session_lock_surface_v1_listener ext_session_lock_surface_v1_listener;
static cairo_surface_t *select_image(struct swaylock_state *state,
struct swaylock_surface *surface);
static bool surface_is_opaque(struct swaylock_surface *surface) {
if (!fade_is_complete(&surface->fade)) {
return false;
}
if (surface->image) {
return cairo_surface_get_content(surface->image) == CAIRO_CONTENT_COLOR;
}
return (surface->state->args.colors.background & 0xff) == 0xff;
}
struct zxdg_output_v1_listener _xdg_output_listener;
static void create_surface(struct swaylock_surface *surface) {
struct swaylock_state *state = surface->state;
if (state->args.fade_in) {
surface->fade.target_time = state->args.fade_in;
}
surface->image = select_image(state, surface);
static bool has_printed_zxdg_error = false;
if (state->zxdg_output_manager) {
surface->xdg_output = zxdg_output_manager_v1_get_xdg_output(
state->zxdg_output_manager, surface->output);
zxdg_output_v1_add_listener(
surface->xdg_output, &_xdg_output_listener, surface);
surface->events_pending += 1;
} else if (!has_printed_zxdg_error) {
swaylock_log(LOG_INFO, "Compositor does not support zxdg output "
"manager, images assigned to named outputs will not work");
has_printed_zxdg_error = true;
}
surface->surface = wl_compositor_create_surface(state->compositor);
assert(surface->surface);
surface->child = wl_compositor_create_surface(state->compositor);
assert(surface->child);
surface->subsurface = wl_subcompositor_get_subsurface(state->subcompositor, surface->child, surface->surface);
assert(surface->subsurface);
wl_subsurface_set_sync(surface->subsurface);
if (state->ext_session_lock_v1) {
surface->ext_session_lock_surface_v1 = ext_session_lock_v1_get_lock_surface(
state->ext_session_lock_v1, surface->surface, surface->output);
ext_session_lock_surface_v1_add_listener(surface->ext_session_lock_surface_v1,
&ext_session_lock_surface_v1_listener, surface);
} else {
surface->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
state->layer_shell, surface->surface, surface->output,
ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, "lockscreen");
zwlr_layer_surface_v1_set_size(surface->layer_surface, 0, 0);
zwlr_layer_surface_v1_set_anchor(surface->layer_surface,
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT);
zwlr_layer_surface_v1_set_exclusive_zone(surface->layer_surface, -1);
zwlr_layer_surface_v1_set_keyboard_interactivity(
surface->layer_surface, true);
zwlr_layer_surface_v1_add_listener(surface->layer_surface,
&layer_surface_listener, surface);
surface->events_pending += 1;
}
if (!state->ext_session_lock_v1) {
wl_surface_commit(surface->surface);
}
}
static void initially_render_surface(struct swaylock_surface *surface) {
swaylock_log(LOG_DEBUG, "Surface for output %s ready", surface->output_name);
if (surface_is_opaque(surface) &&
surface->state->args.mode != BACKGROUND_MODE_CENTER &&
surface->state->args.mode != BACKGROUND_MODE_FIT) {
struct wl_region *region =
wl_compositor_create_region(surface->state->compositor);
wl_region_add(region, 0, 0, INT32_MAX, INT32_MAX);
wl_surface_set_opaque_region(surface->surface, region);
wl_region_destroy(region);
}
render_frame_background(surface);
render_background_fade_prepare(surface, surface->current_buffer);
render_frame(surface);
}
static void layer_surface_configure(void *data,
struct zwlr_layer_surface_v1 *layer_surface,
uint32_t serial, uint32_t width, uint32_t height) {
swaylock_trace();
struct swaylock_surface *surface = data;
surface->width = width;
surface->height = height;
surface->indicator_width = 0;
surface->indicator_height = 0;
zwlr_layer_surface_v1_ack_configure(layer_surface, serial);
if (!surface->configured && --surface->events_pending == 0) {
initially_render_surface(surface);
}
surface->configured = true;
}
static void layer_surface_closed(void *data,
struct zwlr_layer_surface_v1 *layer_surface) {
swaylock_trace();
struct swaylock_surface *surface = data;
destroy_surface(surface);
}
static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.configure = layer_surface_configure,
.closed = layer_surface_closed,
};
static void ext_session_lock_surface_v1_handle_configure(void *data,
struct ext_session_lock_surface_v1 *lock_surface, uint32_t serial,
uint32_t width, uint32_t height) {
struct swaylock_surface *surface = data;
surface->width = width;
surface->height = height;
surface->indicator_width = 0;
surface->indicator_height = 0;
ext_session_lock_surface_v1_ack_configure(lock_surface, serial);
render_frame_background(surface);
render_frame(surface);
}
static const struct ext_session_lock_surface_v1_listener ext_session_lock_surface_v1_listener = {
.configure = ext_session_lock_surface_v1_handle_configure,
};
static const struct wl_callback_listener surface_frame_listener;
static void surface_frame_handle_done(void *data, struct wl_callback *callback,
uint32_t time) {
struct swaylock_surface *surface = data;
wl_callback_destroy(callback);
surface->frame_pending = false;
if (surface->fade.direction == IN && surface->state->quitting){
surface->fade.direction = OUT;
surface->fade.start_time = time;
surface->fade.old_time=0;
surface->fade.current_time = time;
surface->fade.target_time = surface->fade.current_time + surface->state->args.fade_out;
}
if (surface->dirty) {
// Schedule a frame in case the surface is damaged again
struct wl_callback *callback = wl_surface_frame(surface->surface);
wl_callback_add_listener(callback, &surface_frame_listener, surface);
surface->frame_pending = true;
surface->dirty = false;
if (!fade_is_complete(&surface->fade)) {
render_background_fade(surface, time);
surface->dirty = true;
} else if ( surface->state->quitting ){
surface->state->run_display = false;
return;
}
render_frame(surface);
}
}
static const struct wl_callback_listener surface_frame_listener = {
.done = surface_frame_handle_done,
};
void damage_surface(struct swaylock_surface *surface) {
if (surface->width == 0 || surface->height == 0) {
// Not yet configured
return;
}
surface->dirty = true;
if (surface->frame_pending) {
return;
}
struct wl_callback *callback = wl_surface_frame(surface->surface);
wl_callback_add_listener(callback, &surface_frame_listener, surface);
surface->frame_pending = true;
wl_surface_commit(surface->surface);
}
void damage_state(struct swaylock_state *state) {
struct swaylock_surface *surface;
wl_list_for_each(surface, &state->surfaces, link) {
damage_surface(surface);
}
}
static void handle_wl_output_geometry(void *data, struct wl_output *wl_output,
int32_t x, int32_t y, int32_t width_mm, int32_t height_mm,
int32_t subpixel, const char *make, const char *model,
int32_t transform) {
swaylock_trace();
struct swaylock_surface *surface = data;
surface->subpixel = subpixel;
surface->transform = transform;
if (surface->state->run_display) {
damage_surface(surface);
}
}
static void handle_wl_output_mode(void *data, struct wl_output *output,
uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
// Who cares
}
static void handle_wl_output_done(void *data, struct wl_output *output) {
// Who cares
}
static void handle_wl_output_scale(void *data, struct wl_output *output,
int32_t factor) {
swaylock_trace();
struct swaylock_surface *surface = data;
surface->scale = factor;
if (surface->state->run_display) {
damage_surface(surface);
}
}
struct wl_output_listener _wl_output_listener = {
.geometry = handle_wl_output_geometry,
.mode = handle_wl_output_mode,
.done = handle_wl_output_done,
.scale = handle_wl_output_scale,
};
static struct wl_buffer *create_shm_buffer(struct wl_shm *shm, enum wl_shm_format fmt,
int width, int height, int stride, void **data_out) {
int size = stride * height;
const char shm_name[] = "/swaylock-shm";
int fd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
if (fd < 0) {
fprintf(stderr, "shm_open failed\n");
return NULL;
}
shm_unlink(shm_name);
int ret;
while ((ret = ftruncate(fd, size)) == EINTR) {
// No-op
}
if (ret < 0) {
close(fd);
fprintf(stderr, "ftruncate failed\n");
return NULL;
}
void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data == MAP_FAILED) {
fprintf(stderr, "mmap failed: %m\n");
close(fd);
return NULL;
}
struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
close(fd);
struct wl_buffer *buffer = wl_shm_pool_create_buffer(pool, 0, width, height,
stride, fmt);
wl_shm_pool_destroy(pool);
*data_out = data;
return buffer;
}
static cairo_surface_t *apply_effects(cairo_surface_t *image, struct swaylock_state *state, int scale) {
if (state->args.effects_count == 0) {
return image;
}
if (state->args.time_effects) {
return swaylock_effects_run_timed(
image, scale,
state->args.effects, state->args.effects_count);
} else {
return swaylock_effects_run(
image, scale,
state->args.effects, state->args.effects_count);
}
}
static void handle_screencopy_frame_buffer(void *data,
struct zwlr_screencopy_frame_v1 *frame, uint32_t format, uint32_t width,
uint32_t height, uint32_t stride) {
swaylock_trace();
struct swaylock_surface *surface = data;
struct swaylock_image *image = calloc(1, sizeof(struct swaylock_image));
image->path = NULL;
image->output_name = surface->output_name;
void *bufdata;
struct wl_buffer *buf = create_shm_buffer(surface->state->shm, format, width, height, stride, &bufdata);
if (buf == NULL) {
free(image);
return;
}
surface->screencopy.format = format;
surface->screencopy.width = width;
surface->screencopy.height = height;
surface->screencopy.stride = stride;
surface->screencopy.image = image;
surface->screencopy.data = bufdata;
zwlr_screencopy_frame_v1_copy(frame, buf);
}
static void handle_screencopy_frame_flags(void *data,
struct zwlr_screencopy_frame_v1 *frame, uint32_t flags) {
swaylock_trace();
struct swaylock_surface *surface = data;
// The transform affecting a screenshot consists of three parts:
// Whether it's flipped vertically, whether it's flipped horizontally,
// and the four rotation options (0, 90, 180, 270).
// Any of the combinations of vertical flips, horizontal flips and rotation,
// can be expressed in terms of only horizontal flips and rotation
// (which is what the enum wl_output_transform encodes).
// Therefore, instead of inverting the Y axis or keeping around the
// "was it vertically flipped?" bit, we just map our state space onto the
// state space encoded by wl_output_transform and let load_background_from_buffer
// handle the rest.
if (flags & ZWLR_SCREENCOPY_FRAME_V1_FLAGS_Y_INVERT) {
switch (surface->transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
break;
case WL_OUTPUT_TRANSFORM_90:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
break;
case WL_OUTPUT_TRANSFORM_180:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_FLIPPED;
break;
case WL_OUTPUT_TRANSFORM_270:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_180;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_90;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_NORMAL;
break;
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
surface->screencopy.transform = WL_OUTPUT_TRANSFORM_270;
break;
}
} else {
surface->screencopy.transform = surface->transform;
}
}
static void handle_screencopy_frame_ready(void *data,
struct zwlr_screencopy_frame_v1 *frame, uint32_t tv_sec_hi,
uint32_t tv_sec_lo, uint32_t tv_nsec) {
swaylock_trace();
struct swaylock_surface *surface = data;
struct swaylock_state *state = surface->state;
cairo_surface_t *image = load_background_from_buffer(
surface->screencopy.data,
surface->screencopy.format,
surface->screencopy.width,
surface->screencopy.height,
surface->screencopy.stride,
surface->screencopy.transform);
if (image == NULL) {
swaylock_log(LOG_ERROR, "Failed to create image from screenshot");
} else {
surface->screencopy.image->cairo_surface =
apply_effects(image, state, surface->scale);
surface->image = surface->screencopy.image->cairo_surface;
}
swaylock_log(LOG_DEBUG, "Loaded screenshot for output %s", surface->output_name);
wl_list_insert(&state->images, &surface->screencopy.image->link);
if (--surface->events_pending == 0) {
initially_render_surface(surface);
}
}
static void handle_screencopy_frame_failed(void *data,
struct zwlr_screencopy_frame_v1 *frame) {
swaylock_trace();
struct swaylock_surface *surface = data;
swaylock_log(LOG_ERROR, "Screencopy failed");
if (--surface->events_pending == 0) {
initially_render_surface(surface);
}
}
static const struct zwlr_screencopy_frame_v1_listener screencopy_frame_listener = {
.buffer = handle_screencopy_frame_buffer,
.flags = handle_screencopy_frame_flags,
.ready = handle_screencopy_frame_ready,
.failed = handle_screencopy_frame_failed,
};
static void handle_xdg_output_logical_size(void *data, struct zxdg_output_v1 *output,
int width, int height) {
// Who cares
}
static void handle_xdg_output_logical_position(void *data,
struct zxdg_output_v1 *output, int x, int y) {
// Who cares
}
static void handle_xdg_output_name(void *data, struct zxdg_output_v1 *output,
const char *name) {
swaylock_trace();
swaylock_log(LOG_DEBUG, "output name is %s", name);
struct swaylock_surface *surface = data;
surface->xdg_output = output;
surface->output_name = strdup(name);
}
static void handle_xdg_output_description(void *data, struct zxdg_output_v1 *output,
const char *description) {
// Who cares
}
static void handle_xdg_output_done(void *data, struct zxdg_output_v1 *output) {
swaylock_trace();
struct swaylock_surface *surface = data;
struct swaylock_state *state = surface->state;
cairo_surface_t *new_image = select_image(surface->state, surface);
if (new_image == surface->image && state->args.screenshots) {
static bool has_printed_screencopy_error = false;
if (state->screencopy_manager) {
surface->screencopy_frame = zwlr_screencopy_manager_v1_capture_output(
state->screencopy_manager, false, surface->output);
zwlr_screencopy_frame_v1_add_listener(surface->screencopy_frame,
&screencopy_frame_listener, surface);
surface->events_pending += 1;
} else if (!has_printed_screencopy_error) {
swaylock_log(LOG_INFO, "Compositor does not support screencopy manager, "
"screenshots will not work");
has_printed_screencopy_error = true;
}
} else if (new_image != NULL) {
if (state->args.screenshots) {
swaylock_log(LOG_DEBUG,
"Using existing image instead of taking a screenshot for output %s.",
surface->output_name);
}
surface->image = new_image;
}
if (--surface->events_pending == 0) {
initially_render_surface(surface);
}
}
struct zxdg_output_v1_listener _xdg_output_listener = {
.logical_position = handle_xdg_output_logical_position,
.logical_size = handle_xdg_output_logical_size,
.done = handle_xdg_output_done,
.name = handle_xdg_output_name,
.description = handle_xdg_output_description,
};
static void ext_session_lock_v1_handle_locked(void *data, struct ext_session_lock_v1 *lock) {
// Who cares
}
static void ext_session_lock_v1_handle_finished(void *data, struct ext_session_lock_v1 *lock) {
swaylock_log(LOG_ERROR, "Failed to lock session -- "
"is another lockscreen running?");
exit(2);
}
static const struct ext_session_lock_v1_listener ext_session_lock_v1_listener = {
.locked = ext_session_lock_v1_handle_locked,
.finished = ext_session_lock_v1_handle_finished,
};
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
struct swaylock_state *state = data;
if (strcmp(interface, wl_compositor_interface.name) == 0) {
state->compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 4);
} else if (strcmp(interface, wl_subcompositor_interface.name) == 0) {
state->subcompositor = wl_registry_bind(registry, name,
&wl_subcompositor_interface, 1);
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
state->shm = wl_registry_bind(registry, name,
&wl_shm_interface, 1);
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
struct wl_seat *seat = wl_registry_bind(
registry, name, &wl_seat_interface, 4);
struct swaylock_seat *swaylock_seat =
calloc(1, sizeof(struct swaylock_seat));
swaylock_seat->state = state;
wl_seat_add_listener(seat, &seat_listener, swaylock_seat);
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
state->layer_shell = wl_registry_bind(
registry, name, &zwlr_layer_shell_v1_interface, 1);
} else if (strcmp(interface, zwlr_input_inhibit_manager_v1_interface.name) == 0) {
state->input_inhibit_manager = wl_registry_bind(
registry, name, &zwlr_input_inhibit_manager_v1_interface, 1);
} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0) {
state->zxdg_output_manager = wl_registry_bind(
registry, name, &zxdg_output_manager_v1_interface, 2);
} else if (strcmp(interface, wl_output_interface.name) == 0) {
struct swaylock_surface *surface =
calloc(1, sizeof(struct swaylock_surface));
surface->state = state;
surface->output = wl_registry_bind(registry, name,
&wl_output_interface, 3);
surface->output_global_name = name;
wl_output_add_listener(surface->output, &_wl_output_listener, surface);
wl_list_insert(&state->surfaces, &surface->link);
if (state->run_display) {
create_surface(surface);
wl_display_roundtrip(state->display);
}
} else if (strcmp(interface, zwlr_screencopy_manager_v1_interface.name) == 0) {
state->screencopy_manager = wl_registry_bind(registry, name,
&zwlr_screencopy_manager_v1_interface, 1);
} else if (strcmp(interface, ext_session_lock_manager_v1_interface.name) == 0) {
state->ext_session_lock_manager_v1 = wl_registry_bind(registry, name,
&ext_session_lock_manager_v1_interface, 1);
}
}
static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name) {
struct swaylock_state *state = data;
struct swaylock_surface *surface;
wl_list_for_each(surface, &state->surfaces, link) {
if (surface->output_global_name == name) {
destroy_surface(surface);
break;
}
}
}
static const struct wl_registry_listener registry_listener = {
.global = handle_global,
.global_remove = handle_global_remove,
};
static cairo_surface_t *select_image(struct swaylock_state *state,
struct swaylock_surface *surface) {
struct swaylock_image *image;
cairo_surface_t *default_image = NULL;
wl_list_for_each(image, &state->images, link) {
if (lenient_strcmp(image->output_name, surface->output_name) == 0) {
return image->cairo_surface;
} else if (!image->output_name) {
default_image = image->cairo_surface;
}
}
return default_image;
}
static char *join_args(char **argv, int argc) {
assert(argc > 0);
int len = 0, i;
for (i = 0; i < argc; ++i) {
len += strlen(argv[i]) + 1;
}
char *res = malloc(len);
len = 0;
for (i = 0; i < argc; ++i) {
strcpy(res + len, argv[i]);
len += strlen(argv[i]);
res[len++] = ' ';
}
res[len - 1] = '\0';
return res;
}
static void load_image(char *arg, struct swaylock_state *state) {
// [[<output>]:]<path>
struct swaylock_image *image = calloc(1, sizeof(struct swaylock_image));
char *separator = strchr(arg, ':');
if (separator) {
*separator = '\0';
image->output_name = separator == arg ? NULL : strdup(arg);
image->path = strdup(separator + 1);
} else {
image->output_name = NULL;
image->path = strdup(arg);
}
struct swaylock_image *iter_image, *temp;
wl_list_for_each_safe(iter_image, temp, &state->images, link) {
if (lenient_strcmp(iter_image->output_name, image->output_name) == 0) {
if (image->output_name) {
swaylock_log(LOG_DEBUG,
"Replacing image defined for output %s with %s",
image->output_name, image->path);
} else {
swaylock_log(LOG_DEBUG, "Replacing default image with %s",
image->path);
}
wl_list_remove(&iter_image->link);
free(iter_image->cairo_surface);
free(iter_image->output_name);
free(iter_image->path);
free(iter_image);
break;
}
}
// The shell will not expand ~ to the value of $HOME when an output name is
// given. Also, any image paths given in the config file need to have shell
// expansions performed
wordexp_t p;
while (strstr(image->path, " ")) {
image->path = realloc(image->path, strlen(image->path) + 2);
char *ptr = strstr(image->path, " ") + 1;
memmove(ptr + 1, ptr, strlen(ptr) + 1);
*ptr = '\\';
}
if (wordexp(image->path, &p, 0) == 0) {
free(image->path);
image->path = join_args(p.we_wordv, p.we_wordc);
wordfree(&p);
}
// Load the actual image
image->cairo_surface = load_background_image(image->path);
if (!image->cairo_surface) {
free(image);
return;
}
wl_list_insert(&state->images, &image->link);
swaylock_log(LOG_DEBUG, "Loaded image %s for output %s", image->path,
image->output_name ? image->output_name : "*");
}
static void set_default_colors(struct swaylock_colors *colors) {
colors->background = 0xFFFFFFFF;
colors->bs_highlight = 0xDB3300FF;
colors->key_highlight = 0x33DB00FF;
colors->caps_lock_bs_highlight = 0xDB3300FF;
colors->caps_lock_key_highlight = 0x33DB00FF;
colors->separator = 0x000000FF;
colors->layout_background = 0x000000C0;
colors->layout_border = 0x00000000;
colors->layout_text = 0xFFFFFFFF;
colors->inside = (struct swaylock_colorset){
.input = 0x000000C0,
.cleared = 0xE5A445C0,
.caps_lock = 0x000000C0,
.verifying = 0x0072FFC0,
.wrong = 0xFA0000C0,
};
colors->line = (struct swaylock_colorset){
.input = 0x000000FF,
.cleared = 0x000000FF,
.caps_lock = 0x000000FF,
.verifying = 0x000000FF,
.wrong = 0x000000FF,
};
colors->ring = (struct swaylock_colorset){
.input = 0x337D00FF,
.cleared = 0xE5A445FF,
.caps_lock = 0xE5A445FF,
.verifying = 0x3300FFFF,
.wrong = 0x7D3300FF,
};
colors->text = (struct swaylock_colorset){
.input = 0xE5A445FF,
.cleared = 0x000000FF,
.caps_lock = 0xE5A445FF,
.verifying = 0x000000FF,
.wrong = 0x000000FF,
};
}
enum line_mode {
LM_LINE,
LM_INSIDE,
LM_RING,
};
static int parse_options(int argc, char **argv, struct swaylock_state *state,
enum line_mode *line_mode, char **config_path) {
enum long_option_codes {
LO_TRACE,
LO_BS_HL_COLOR = 256,
LO_CAPS_LOCK_BS_HL_COLOR,
LO_CAPS_LOCK_KEY_HL_COLOR,
LO_FONT,
LO_FONT_SIZE,
LO_IND_IDLE_VISIBLE,
LO_IND_RADIUS,
LO_IND_X_POSITION,
LO_IND_Y_POSITION,
LO_IND_THICKNESS,
LO_INSIDE_COLOR,
LO_INSIDE_CLEAR_COLOR,
LO_INSIDE_CAPS_LOCK_COLOR,
LO_INSIDE_VER_COLOR,
LO_INSIDE_WRONG_COLOR,
LO_KEY_HL_COLOR,
LO_LAYOUT_TXT_COLOR,
LO_LAYOUT_BG_COLOR,
LO_LAYOUT_BORDER_COLOR,
LO_LINE_COLOR,
LO_LINE_CLEAR_COLOR,
LO_LINE_CAPS_LOCK_COLOR,
LO_LINE_VER_COLOR,
LO_LINE_WRONG_COLOR,