void render(struct render_data *render_data) {
int i;
for (i = 0; i < render_data->surfaces->length; ++i) {
sway_log(L_DEBUG, "Render surface %d of %d", i, render_data->surfaces->length);
struct window *window = render_data->surfaces->items[i];
if (!window_prerender(window) || !window->cairo) {
continue;
}
// Reset the transformation matrix
cairo_identity_matrix(window->cairo);
if (render_data->num_images == 0 || render_data->color_set) {
render_color(window, render_data->color);
}
if (render_data->num_images == -1) {
// One background for all
render_image(window, render_data->image, render_data->scaling_mode);
} else if (render_data->num_images >= 1) {
// Different backgrounds
if (render_data->images[i] != NULL) {
render_image(window, render_data->images[i], render_data->scaling_mode);
}
}
// Reset the transformation matrix again
cairo_identity_matrix(window->cairo);
// Draw specific values (copied from i3)
const int ARC_RADIUS = 50;
const int ARC_THICKNESS = 10;
const float TYPE_INDICATOR_RANGE = M_PI / 3.0f;
const float TYPE_INDICATOR_BORDER_THICKNESS = M_PI / 128.0f;
// Add visual indicator
if (show_indicator && render_data->auth_state != AUTH_STATE_IDLE) {
// Draw circle
cairo_set_line_width(window->cairo, ARC_THICKNESS);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, 0, 2 * M_PI);
switch (render_data->auth_state) {
case AUTH_STATE_INPUT:
case AUTH_STATE_BACKSPACE: {
cairo_set_source_rgba(window->cairo, 0, 0, 0, 0.75);
cairo_fill_preserve(window->cairo);
cairo_set_source_rgb(window->cairo, 51.0 / 255, 125.0 / 255, 0);
cairo_stroke(window->cairo);
} break;
case AUTH_STATE_VALIDATING: {
cairo_set_source_rgba(window->cairo, 0, 114.0 / 255, 255.0 / 255, 0.75);
cairo_fill_preserve(window->cairo);
cairo_set_source_rgb(window->cairo, 51.0 / 255, 0, 250.0 / 255);
cairo_stroke(window->cairo);
} break;
case AUTH_STATE_INVALID: {
cairo_set_source_rgba(window->cairo, 250.0 / 255, 0, 0, 0.75);
cairo_fill_preserve(window->cairo);
cairo_set_source_rgb(window->cairo, 125.0 / 255, 51.0 / 255, 0);
cairo_stroke(window->cairo);
} break;
default: break;
}
// Draw a message
char *text = NULL;
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_set_font_size(window->cairo, ARC_RADIUS/3.0f);
switch (render_data->auth_state) {
case AUTH_STATE_VALIDATING:
text = "verifying";
break;
case AUTH_STATE_INVALID:
text = "wrong";
break;
default: break;
}
if (text) {
cairo_text_extents_t extents;
double x, y;
cairo_text_extents(window->cairo, text, &extents);
x = window->width/2 - ((extents.width/2) + extents.x_bearing);
y = window->height/2 - ((extents.height/2) + extents.y_bearing);
cairo_move_to(window->cairo, x, y);
cairo_show_text(window->cairo, text);
cairo_close_path(window->cairo);
cairo_new_sub_path(window->cairo);
}
// Typing indicator: Highlight random part on keypress
if (render_data->auth_state == AUTH_STATE_INPUT || render_data->auth_state == AUTH_STATE_BACKSPACE) {
static double highlight_start = 0;
highlight_start += (rand() % (int)(M_PI * 100)) / 100.0 + M_PI * 0.5;
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_RANGE);
if (render_data->auth_state == AUTH_STATE_INPUT) {
cairo_set_source_rgb(window->cairo, 51.0 / 255, 219.0 / 255, 0);
} else {
cairo_set_source_rgb(window->cairo, 219.0 / 255, 51.0 / 255, 0);
}
cairo_stroke(window->cairo);
// Draw borders
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_stroke(window->cairo);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start + TYPE_INDICATOR_RANGE, (highlight_start + TYPE_INDICATOR_RANGE) + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_stroke(window->cairo);
}
// Draw inner + outer border of the circle
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_set_line_width(window->cairo, 2.0);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS - ARC_THICKNESS/2, 0, 2*M_PI);
cairo_stroke(window->cairo);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS + ARC_THICKNESS/2, 0, 2*M_PI);
cairo_stroke(window->cairo);
}
window_render(window);
}
}
int main(int argc, char **argv) {
char *image_path = NULL;
char *scaling_mode_str = "fit";
uint32_t color = 0xFFFFFFFF;
init_log(L_INFO);
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"color", required_argument, NULL, 'c'},
{"image", required_argument, NULL, 'i'},
{"scaling", required_argument, NULL, 's'},
{"tiling", no_argument, NULL, 't'},
{"version", no_argument, NULL, 'v'},
{0, 0, 0, 0}
};
const char *usage =
"Usage: swaylock [options...]\n"
"\n"
" -h, --help Show help message and quit.\n"
" -c, --color <rrggbb[aa]> Turn the screen into the given color instead of white.\n"
" -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n"
" -t, --tiling Same as --scaling=tile.\n"
" -v, --version Show the version number and quit.\n"
" -i, --image <path> Display the given image.\n";
int c;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "hc:i:s:tv", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 'c':
{
int colorlen = strlen(optarg);
if (colorlen < 6 || colorlen == 7 || colorlen > 8) {
fprintf(stderr, "color must be specified in 3 or 4 byte format, e.g. ff0000 or ff0000ff\n");
exit(EXIT_FAILURE);
}
color = strtol(optarg, NULL, 16);
if (colorlen == 6) {
color <<= 8;
color |= 0xFF;
}
sway_log(L_DEBUG, "color: 0x%x", color);
break;
}
case 'i':
image_path = optarg;
break;
case 's':
scaling_mode_str = optarg;
break;
case 't':
scaling_mode_str = "tile";
break;
case 'v':
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
fprintf(stdout, "swaylock version %s (%s, branch \"%s\")\n", SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
#else
fprintf(stdout, "version not detected\n");
#endif
exit(EXIT_SUCCESS);
break;
default:
fprintf(stderr, "%s", usage);
exit(EXIT_FAILURE);
}
}
enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
if (strcmp(scaling_mode_str, "stretch") == 0) {
scaling_mode = SCALING_MODE_STRETCH;
} else if (strcmp(scaling_mode_str, "fill") == 0) {
scaling_mode = SCALING_MODE_FILL;
} else if (strcmp(scaling_mode_str, "fit") == 0) {
scaling_mode = SCALING_MODE_FIT;
} else if (strcmp(scaling_mode_str, "center") == 0) {
scaling_mode = SCALING_MODE_CENTER;
} else if (strcmp(scaling_mode_str, "tile") == 0) {
scaling_mode = SCALING_MODE_TILE;
} else {
sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
}
password_size = 1024;
password = malloc(password_size);
password[0] = '\0';
surfaces = create_list();
registry = registry_poll();
if (!registry) {
sway_abort("Unable to connect to wayland compositor");
}
if (!registry->swaylock) {
sway_abort("swaylock requires the compositor to support the swaylock extension.");
}
if (registry->pointer) {
// We don't want swaylock to have a pointer
wl_pointer_destroy(registry->pointer);
registry->pointer = NULL;
}
int i;
for (i = 0; i < registry->outputs->length; ++i) {
struct output_state *output = registry->outputs->items[i];
struct window *window = window_setup(registry, output->width, output->height, true);
if (!window) {
sway_abort("Failed to create surfaces.");
}
list_add(surfaces, window);
}
registry->input->notify = notify_key;
cairo_surface_t *image = NULL;
if (image_path) {
#ifdef WITH_GDK_PIXBUF
GError *err = NULL;
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
if (!pixbuf) {
sway_abort("Failed to load background image.");
}
image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
#else
cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
#endif //WITH_GDK_PIXBUF
if (!image) {
sway_abort("Failed to read background image.");
}
}
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
if (!window_prerender(window) || !window->cairo) {
continue;
}
if (image) {
render_image(window, image, scaling_mode);
} else {
render_color(window, color);
}
}
if (image) {
cairo_surface_destroy(image);
}
bool locked = false;
while (wl_display_dispatch(registry->display) != -1) {
if (!locked) {
for (i = 0; i < registry->outputs->length; ++i) {
struct output_state *output = registry->outputs->items[i];
struct window *window = surfaces->items[i];
lock_set_lock_surface(registry->swaylock, output->output, window->surface);
}
locked = true;
}
}
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
window_teardown(window);
}
list_free(surfaces);
registry_teardown(registry);
return 0;
}
