Exemplo n.º 1
0
int main(int argc, char **argv) {
	init_log(L_INFO);
	password = malloc(1024); // TODO: Let this grow
	password[0] = '\0';
	surfaces = create_list();
	registry = registry_poll();

	if (!registry->swaylock) {
		sway_abort("swaylock requires the compositor to support the swaylock extension.");
	}

	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;

#ifdef WITH_GDK_PIXBUF
	GError *err = NULL;
	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(argv[1], &err); // TODO: Parse i3lock arguments
	if (!pixbuf) {
		sway_abort("Failed to load background image.");
	}
	cairo_surface_t *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.");
	}
	double width = cairo_image_surface_get_width(image);
	double height = cairo_image_surface_get_height(image);

	const char *scaling_mode_str = argv[2];
	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);
	}

	for (i = 0; i < surfaces->length; ++i) {
		struct window *window = surfaces->items[i];
		if (window_prerender(window) && window->cairo) {
			switch (scaling_mode) {
			case SCALING_MODE_STRETCH:
				cairo_scale(window->cairo,
						(double) window->width / width,
						(double) window->height / height);
				cairo_set_source_surface(window->cairo, image, 0, 0);
				break;
			case SCALING_MODE_FILL:
			{
				double window_ratio = (double) window->width / window->height;
				double bg_ratio = width / height;

				if (window_ratio > bg_ratio) {
					double scale = (double) window->width / width;
					cairo_scale(window->cairo, scale, scale);
					cairo_set_source_surface(window->cairo, image,
							0,
							(double) window->height/2 / scale - height/2);
				} else {
					double scale = (double) window->height / height;
					cairo_scale(window->cairo, scale, scale);
					cairo_set_source_surface(window->cairo, image,
							(double) window->width/2 / scale - width/2,
							0);
				}
				break;
			}
			case SCALING_MODE_FIT:
			{
				double window_ratio = (double) window->width / window->height;
				double bg_ratio = width / height;

				if (window_ratio > bg_ratio) {
					double scale = (double) window->height / height;
					cairo_scale(window->cairo, scale, scale);
					cairo_set_source_surface(window->cairo, image,
							(double) window->width/2 / scale - width/2,
							0);
				} else {
					double scale = (double) window->width / width;
					cairo_scale(window->cairo, scale, scale);
					cairo_set_source_surface(window->cairo, image,
							0,
							(double) window->height/2 / scale - height/2);
				}
				break;
			}
			case SCALING_MODE_CENTER:
				cairo_set_source_surface(window->cairo, image,
						(double) window->width/2 - width/2,
						(double) window->height/2 - height/2);
				break;
			case SCALING_MODE_TILE:
			{
				cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
				cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
				cairo_set_source(window->cairo, pattern);
				break;
			}
			default:
				sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str);
			}

			cairo_paint(window->cairo);

			window_render(window);
		}
	}

	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;
}
Exemplo n.º 2
0
int main(int argc, char **argv) {
    char *image_path = NULL;
    char *scaling_mode_str = "fit";

    init_log(L_INFO);

    static struct option long_options[] = {
        {"help", no_argument, NULL, 'h'},
        {"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"
        "  -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, "hi:s:tv", long_options, &option_index);
        if (c == -1) {
            break;
        }
        switch (c) {
        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);
        }
    }

    // TODO: support locking without image
    if (!image_path) {
        fprintf(stderr, "No image specified!\n");
        exit(EXIT_FAILURE);
    }

    password = malloc(1024); // TODO: Let this grow
    password[0] = '\0';
    surfaces = create_list();
    registry = registry_poll();

    if (!registry->swaylock) {
        sway_abort("swaylock requires the compositor to support the swaylock extension.");
    }

    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;

#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.");
    }
    cairo_surface_t *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.");
    }
    double width = cairo_image_surface_get_width(image);
    double height = cairo_image_surface_get_height(image);

    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);
    }

    for (i = 0; i < surfaces->length; ++i) {
        struct window *window = surfaces->items[i];
        if (window_prerender(window) && window->cairo) {
            switch (scaling_mode) {
            case SCALING_MODE_STRETCH:
                cairo_scale(window->cairo,
                            (double) window->width / width,
                            (double) window->height / height);
                cairo_set_source_surface(window->cairo, image, 0, 0);
                break;
            case SCALING_MODE_FILL:
            {
                double window_ratio = (double) window->width / window->height;
                double bg_ratio = width / height;

                if (window_ratio > bg_ratio) {
                    double scale = (double) window->width / width;
                    cairo_scale(window->cairo, scale, scale);
                    cairo_set_source_surface(window->cairo, image,
                                             0,
                                             (double) window->height/2 / scale - height/2);
                } else {
                    double scale = (double) window->height / height;
                    cairo_scale(window->cairo, scale, scale);
                    cairo_set_source_surface(window->cairo, image,
                                             (double) window->width/2 / scale - width/2,
                                             0);
                }
                break;
            }
            case SCALING_MODE_FIT:
            {
                double window_ratio = (double) window->width / window->height;
                double bg_ratio = width / height;

                if (window_ratio > bg_ratio) {
                    double scale = (double) window->height / height;
                    cairo_scale(window->cairo, scale, scale);
                    cairo_set_source_surface(window->cairo, image,
                                             (double) window->width/2 / scale - width/2,
                                             0);
                } else {
                    double scale = (double) window->width / width;
                    cairo_scale(window->cairo, scale, scale);
                    cairo_set_source_surface(window->cairo, image,
                                             0,
                                             (double) window->height/2 / scale - height/2);
                }
                break;
            }
            case SCALING_MODE_CENTER:
                cairo_set_source_surface(window->cairo, image,
                                         (double) window->width/2 - width/2,
                                         (double) window->height/2 - height/2);
                break;
            case SCALING_MODE_TILE:
            {
                cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
                cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
                cairo_set_source(window->cairo, pattern);
                break;
            }
            default:
                sway_abort("Scaling mode '%s' not implemented yet!", scaling_mode_str);
            }

            cairo_paint(window->cairo);

            window_render(window);
        }
    }

    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;
}
Exemplo n.º 3
0
Arquivo: main.c Projeto: Zeirison/sway
int main(int argc, char **argv) {
	const char *scaling_mode_str = "fit", *socket_path = NULL;
	int i;
	void *images = NULL;

	render_data.num_images = 0;
	render_data.color_set = 0;
	render_data.color = 0xFFFFFFFF;
	render_data.auth_state = AUTH_STATE_IDLE;

	init_log(L_INFO);
	// Install SIGALARM handler (for hiding the typing indicator)
	signal(SIGALRM, sigalarm_handler);

	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'},
		{"socket", required_argument, NULL, 'p'},
		{"no-unlock-indicator", no_argument, NULL, 'u'},
		{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 [<output>:]<path>  Display the given image.\n"
		"  -u, --no-unlock-indicator      Disable the unlock indicator.\n"
		"  --socket <socket>              Use the specified socket.\n";

	registry = registry_poll();

	int c;
	while (1) {
		int option_index = 0;
		c = getopt_long(argc, argv, "hc:i:s:tvu", long_options, &option_index);
		if (c == -1) {
			break;
		}
		switch (c) {
		case 'c':
		{
			int colorlen = strlen(optarg);
			if (colorlen < 6 || colorlen == 7 || colorlen > 8) {
				sway_log(L_ERROR, "color must be specified in 3 or 4 byte format, i.e. rrggbb or rrggbbaa");
				exit(EXIT_FAILURE);
			}
			render_data.color = strtol(optarg, NULL, 16);
			render_data.color_set = 1;

			if (colorlen == 6) {
				render_data.color <<= 8;
				render_data.color |= 0xFF;
			}
			break;
		}
		case 'i':
		{
			char *image_path = strchr(optarg, ':');
			if (image_path == NULL) {
				if (render_data.num_images == 0) {
					// Provided image without output
					render_data.image = load_image(optarg);
					render_data.num_images = -1;
				} else {
					sway_log(L_ERROR, "output must be defined for all --images or no --images");
					exit(EXIT_FAILURE);
				}
			} else {
				// Provided image for all outputs
				if (render_data.num_images == 0) {
					images = calloc(registry->outputs->length, sizeof(char*) * 2);
				} else if (render_data.num_images == -1) {
					sway_log(L_ERROR, "output must be defined for all --images or no --images");
					exit(EXIT_FAILURE);
				}

				image_path[0] = '\0';
				((char**) images)[render_data.num_images * 2] = optarg;
				((char**) images)[render_data.num_images++ * 2 + 1] = ++image_path;
			}
			break;
		}
		case 's':
			scaling_mode_str = optarg;
			break;
		case 't':
			scaling_mode_str = "tile";
			break;
		case 'p':
			socket_path = optarg;
			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;
		case 'u':
			show_indicator = false;
			break;
		default:
			fprintf(stderr, "%s", usage);
			exit(EXIT_FAILURE);
		}
	}

	render_data.scaling_mode = SCALING_MODE_STRETCH;
	if (strcmp(scaling_mode_str, "stretch") == 0) {
		render_data.scaling_mode = SCALING_MODE_STRETCH;
	} else if (strcmp(scaling_mode_str, "fill") == 0) {
		render_data.scaling_mode = SCALING_MODE_FILL;
	} else if (strcmp(scaling_mode_str, "fit") == 0) {
		render_data.scaling_mode = SCALING_MODE_FIT;
	} else if (strcmp(scaling_mode_str, "center") == 0) {
		render_data.scaling_mode = SCALING_MODE_CENTER;
	} else if (strcmp(scaling_mode_str, "tile") == 0) {
		render_data.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';
	render_data.surfaces = create_list();
	if (!socket_path) {
		socket_path = get_socketpath();
		if (!socket_path) {
			sway_abort("Unable to retrieve socket path");
		}
	}

	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;
	}

	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(render_data.surfaces, window);
	}

	registry->input->notify = notify_key;

	// Different background for the output
	if (render_data.num_images >= 1) {
		char **displays_paths = images;
		render_data.images = calloc(registry->outputs->length, sizeof(cairo_surface_t*));

		int socketfd = ipc_open_socket(socket_path);
		uint32_t len = 0;
		char *outputs = ipc_single_command(socketfd, IPC_GET_OUTPUTS, "", &len);
		struct json_object *json_outputs = json_tokener_parse(outputs);

		for (i = 0; i < registry->outputs->length; ++i) {
			if (displays_paths[i * 2] != NULL) {
				for (int j = 0;; ++j) {
					if (j >= json_object_array_length(json_outputs)) {
						sway_log(L_ERROR, "%s is not an extant output", displays_paths[i * 2]);
						exit(EXIT_FAILURE);
					}

					struct json_object *dsp_name, *at_j = json_object_array_get_idx(json_outputs, j);
					if (!json_object_object_get_ex(at_j, "name", &dsp_name)) {
						sway_abort("output doesn't have a name field");
					}
					if (!strcmp(displays_paths[i * 2], json_object_get_string(dsp_name))) {
						render_data.images[j] = load_image(displays_paths[i * 2 + 1]);
						break;
					}
				}
			}
		}

		json_object_put(json_outputs);
		close(socketfd);
		free(displays_paths);
	}

	render(&render_data);
	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 = render_data.surfaces->items[i];
				lock_set_lock_surface(registry->swaylock, output->output, window->surface);
			}
			locked = true;
		}
	}

	// Free surfaces
	if (render_data.num_images == -1) {
		cairo_surface_destroy(render_data.image);
	} else if (render_data.num_images >= 1) {
		for (i = 0; i < registry->outputs->length; ++i) {
			if (render_data.images[i] != NULL) {
				cairo_surface_destroy(render_data.images[i]);
			}
		}
		free(render_data.images);
	}

	for (i = 0; i < render_data.surfaces->length; ++i) {
		struct window *window = render_data.surfaces->items[i];
		window_teardown(window);
	}
	list_free(render_data.surfaces);
	registry_teardown(registry);

	return 0;
}
Exemplo n.º 4
0
Arquivo: main.c Projeto: actics/sway
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;
}