diff options
Diffstat (limited to 'swaybg')
| -rw-r--r-- | swaybg/main.c | 542 | ||||
| -rw-r--r-- | swaybg/meson.build | 16 | ||||
| -rw-r--r-- | swaybg/swaybg.1.scd | 44 |
3 files changed, 0 insertions, 602 deletions
diff --git a/swaybg/main.c b/swaybg/main.c deleted file mode 100644 index b983dd6a..00000000 --- a/swaybg/main.c +++ /dev/null @@ -1,542 +0,0 @@ -#define _POSIX_C_SOURCE 200809L -#include <assert.h> -#include <ctype.h> -#include <getopt.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <strings.h> -#include <wayland-client.h> -#include "background-image.h" -#include "cairo.h" -#include "log.h" -#include "pool-buffer.h" -#include "util.h" -#include "wlr-layer-shell-unstable-v1-client-protocol.h" -#include "xdg-output-unstable-v1-client-protocol.h" - -struct swaybg_state { - struct wl_display *display; - struct wl_compositor *compositor; - struct wl_shm *shm; - struct zwlr_layer_shell_v1 *layer_shell; - struct zxdg_output_manager_v1 *xdg_output_manager; - struct wl_list configs; // struct swaybg_output_config::link - struct wl_list outputs; // struct swaybg_output::link - bool run_display; -}; - -struct swaybg_output_config { - char *output; - cairo_surface_t *image; - enum background_mode mode; - uint32_t color; - struct wl_list link; -}; - -struct swaybg_output { - uint32_t wl_name; - struct wl_output *wl_output; - struct zxdg_output_v1 *xdg_output; - char *name; - char *identifier; - - struct swaybg_state *state; - struct swaybg_output_config *config; - - struct wl_surface *surface; - struct zwlr_layer_surface_v1 *layer_surface; - struct pool_buffer buffers[2]; - struct pool_buffer *current_buffer; - - uint32_t width, height; - int32_t scale; - - struct wl_list link; -}; - -bool is_valid_color(const char *color) { - int len = strlen(color); - if (len != 7 || color[0] != '#') { - sway_log(SWAY_ERROR, "%s is not a valid color for swaybg. " - "Color should be specified as #rrggbb (no alpha).", color); - return false; - } - - int i; - for (i = 1; i < len; ++i) { - if (!isxdigit(color[i])) { - return false; - } - } - - return true; -} - -static void render_frame(struct swaybg_output *output) { - int buffer_width = output->width * output->scale, - buffer_height = output->height * output->scale; - output->current_buffer = get_next_buffer(output->state->shm, - output->buffers, buffer_width, buffer_height); - if (!output->current_buffer) { - return; - } - cairo_t *cairo = output->current_buffer->cairo; - cairo_save(cairo); - cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR); - cairo_paint(cairo); - cairo_restore(cairo); - if (output->config->mode == BACKGROUND_MODE_SOLID_COLOR) { - cairo_set_source_u32(cairo, output->config->color); - cairo_paint(cairo); - } else { - if (output->config->color) { - cairo_set_source_u32(cairo, output->config->color); - cairo_paint(cairo); - } - render_background_image(cairo, output->config->image, - output->config->mode, buffer_width, buffer_height); - } - - wl_surface_set_buffer_scale(output->surface, output->scale); - wl_surface_attach(output->surface, output->current_buffer->buffer, 0, 0); - wl_surface_damage_buffer(output->surface, 0, 0, INT32_MAX, INT32_MAX); - wl_surface_commit(output->surface); -} - -static void destroy_swaybg_output_config(struct swaybg_output_config *config) { - if (!config) { - return; - } - wl_list_remove(&config->link); - free(config->output); - free(config); -} - -static void destroy_swaybg_output(struct swaybg_output *output) { - if (!output) { - return; - } - wl_list_remove(&output->link); - if (output->layer_surface != NULL) { - zwlr_layer_surface_v1_destroy(output->layer_surface); - } - if (output->surface != NULL) { - wl_surface_destroy(output->surface); - } - zxdg_output_v1_destroy(output->xdg_output); - wl_output_destroy(output->wl_output); - destroy_buffer(&output->buffers[0]); - destroy_buffer(&output->buffers[1]); - free(output->name); - free(output->identifier); - free(output); -} - -static void layer_surface_configure(void *data, - struct zwlr_layer_surface_v1 *surface, - uint32_t serial, uint32_t width, uint32_t height) { - struct swaybg_output *output = data; - output->width = width; - output->height = height; - zwlr_layer_surface_v1_ack_configure(surface, serial); - render_frame(output); -} - -static void layer_surface_closed(void *data, - struct zwlr_layer_surface_v1 *surface) { - struct swaybg_output *output = data; - sway_log(SWAY_DEBUG, "Destroying output %s (%s)", - output->name, output->identifier); - destroy_swaybg_output(output); -} - -static const struct zwlr_layer_surface_v1_listener layer_surface_listener = { - .configure = layer_surface_configure, - .closed = layer_surface_closed, -}; - -static void output_geometry(void *data, struct wl_output *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) { - // Who cares -} - -static void output_mode(void *data, struct wl_output *output, uint32_t flags, - int32_t width, int32_t height, int32_t refresh) { - // Who cares -} - -static void output_done(void *data, struct wl_output *output) { - // Who cares -} - -static void output_scale(void *data, struct wl_output *wl_output, - int32_t scale) { - struct swaybg_output *output = data; - output->scale = scale; - if (output->state->run_display && output->width > 0 && output->height > 0) { - render_frame(output); - } -} - -static const struct wl_output_listener output_listener = { - .geometry = output_geometry, - .mode = output_mode, - .done = output_done, - .scale = output_scale, -}; - -static void xdg_output_handle_logical_position(void *data, - struct zxdg_output_v1 *xdg_output, int32_t x, int32_t y) { - // Who cares -} - -static void xdg_output_handle_logical_size(void *data, - struct zxdg_output_v1 *xdg_output, int32_t width, int32_t height) { - // Who cares -} - -static void find_config(struct swaybg_output *output, const char *name) { - struct swaybg_output_config *config = NULL; - wl_list_for_each(config, &output->state->configs, link) { - if (strcmp(config->output, name) == 0) { - output->config = config; - return; - } else if (!output->config && strcmp(config->output, "*") == 0) { - output->config = config; - } - } -} - -static void xdg_output_handle_name(void *data, - struct zxdg_output_v1 *xdg_output, const char *name) { - struct swaybg_output *output = data; - output->name = strdup(name); - - // If description was sent first, the config may already be populated. If - // there is an identifier config set, keep it. - if (!output->config || strcmp(output->config->output, "*") == 0) { - find_config(output, name); - } -} - -static void xdg_output_handle_description(void *data, - struct zxdg_output_v1 *xdg_output, const char *description) { - struct swaybg_output *output = data; - - // wlroots currently sets the description to `make model serial (name)` - // If this changes in the future, this will need to be modified. - char *paren = strrchr(description, '('); - if (paren) { - size_t length = paren - description; - output->identifier = malloc(length); - if (!output->identifier) { - sway_log(SWAY_ERROR, "Failed to allocate output identifier"); - return; - } - strncpy(output->identifier, description, length); - output->identifier[length - 1] = '\0'; - - find_config(output, output->identifier); - } -} - -static void create_layer_surface(struct swaybg_output *output) { - output->surface = wl_compositor_create_surface(output->state->compositor); - assert(output->surface); - - // Empty input region - struct wl_region *input_region = - wl_compositor_create_region(output->state->compositor); - assert(input_region); - wl_surface_set_input_region(output->surface, input_region); - wl_region_destroy(input_region); - - output->layer_surface = zwlr_layer_shell_v1_get_layer_surface( - output->state->layer_shell, output->surface, output->wl_output, - ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND, "wallpaper"); - assert(output->layer_surface); - - zwlr_layer_surface_v1_set_size(output->layer_surface, 0, 0); - zwlr_layer_surface_v1_set_anchor(output->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(output->layer_surface, -1); - zwlr_layer_surface_v1_add_listener(output->layer_surface, - &layer_surface_listener, output); - wl_surface_commit(output->surface); -} - -static void xdg_output_handle_done(void *data, - struct zxdg_output_v1 *xdg_output) { - struct swaybg_output *output = data; - if (!output->config) { - sway_log(SWAY_DEBUG, "Could not find config for output %s (%s)", - output->name, output->identifier); - destroy_swaybg_output(output); - } else if (!output->layer_surface) { - sway_log(SWAY_DEBUG, "Found config %s for output %s (%s)", - output->config->output, output->name, output->identifier); - create_layer_surface(output); - } -} - -static const struct zxdg_output_v1_listener xdg_output_listener = { - .logical_position = xdg_output_handle_logical_position, - .logical_size = xdg_output_handle_logical_size, - .name = xdg_output_handle_name, - .description = xdg_output_handle_description, - .done = xdg_output_handle_done, -}; - -static void handle_global(void *data, struct wl_registry *registry, - uint32_t name, const char *interface, uint32_t version) { - struct swaybg_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_shm_interface.name) == 0) { - state->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1); - } else if (strcmp(interface, wl_output_interface.name) == 0) { - struct swaybg_output *output = calloc(1, sizeof(struct swaybg_output)); - output->state = state; - output->wl_name = name; - output->wl_output = - wl_registry_bind(registry, name, &wl_output_interface, 3); - wl_output_add_listener(output->wl_output, &output_listener, output); - wl_list_insert(&state->outputs, &output->link); - - if (state->run_display) { - output->xdg_output = zxdg_output_manager_v1_get_xdg_output( - state->xdg_output_manager, output->wl_output); - zxdg_output_v1_add_listener(output->xdg_output, - &xdg_output_listener, output); - } - } 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, zxdg_output_manager_v1_interface.name) == 0) { - state->xdg_output_manager = wl_registry_bind(registry, name, - &zxdg_output_manager_v1_interface, 2); - } -} - -static void handle_global_remove(void *data, struct wl_registry *registry, - uint32_t name) { - struct swaybg_state *state = data; - struct swaybg_output *output, *tmp; - wl_list_for_each_safe(output, tmp, &state->outputs, link) { - if (output->wl_name == name) { - sway_log(SWAY_DEBUG, "Destroying output %s (%s)", - output->name, output->identifier); - destroy_swaybg_output(output); - break; - } - } -} - -static const struct wl_registry_listener registry_listener = { - .global = handle_global, - .global_remove = handle_global_remove, -}; - -static bool store_swaybg_output_config(struct swaybg_state *state, - struct swaybg_output_config *config) { - struct swaybg_output_config *oc = NULL; - wl_list_for_each(oc, &state->configs, link) { - if (strcmp(config->output, oc->output) == 0) { - // Merge on top - if (config->image) { - free(oc->image); - oc->image = config->image; - config->image = NULL; - } - if (config->color) { - oc->color = config->color; - } - if (config->mode != BACKGROUND_MODE_INVALID) { - oc->mode = config->mode; - } - return false; - } - } - // New config, just add it - wl_list_insert(&state->configs, &config->link); - return true; -} - -static void parse_command_line(int argc, char **argv, - struct swaybg_state *state) { - static struct option long_options[] = { - {"color", required_argument, NULL, 'c'}, - {"help", no_argument, NULL, 'h'}, - {"image", required_argument, NULL, 'i'}, - {"mode", required_argument, NULL, 'm'}, - {"output", required_argument, NULL, 'o'}, - {"version", no_argument, NULL, 'v'}, - {0, 0, 0, 0} - }; - - const char *usage = - "Usage: swaybg <options...>\n" - "\n" - " -c, --color Set the background color.\n" - " -h, --help Show help message and quit.\n" - " -i, --image Set the image to display.\n" - " -m, --mode Set the mode to use for the image.\n" - " -o, --output Set the output to operate on or * for all.\n" - " -v, --version Show the version number and quit.\n" - "\n" - "Background Modes:\n" - " stretch, fit, fill, center, tile, or solid_color\n"; - - struct swaybg_output_config *config = NULL; - - int c; - while (1) { - int option_index = 0; - c = getopt_long(argc, argv, "c:hi:m:o:v", long_options, &option_index); - if (c == -1) { - break; - } - switch (c) { - case 'c': // color - if (!config) { - goto no_output; - } - if (!is_valid_color(optarg)) { - sway_log(SWAY_ERROR, "Invalid color: %s", optarg); - continue; - } - config->color = parse_color(optarg); - break; - case 'i': // image - if (!config) { - goto no_output; - } - free(config->image); - config->image = load_background_image(optarg); - if (!config->image) { - sway_log(SWAY_ERROR, "Failed to load image: %s", optarg); - } - break; - case 'm': // mode - if (!config) { - goto no_output; - } - config->mode = parse_background_mode(optarg); - if (config->mode == BACKGROUND_MODE_INVALID) { - sway_log(SWAY_ERROR, "Invalid mode: %s", optarg); - } - break; - case 'o': // output - if (config && !store_swaybg_output_config(state, config)) { - // Empty config or merged on top of an existing one - destroy_swaybg_output_config(config); - } - config = calloc(sizeof(struct swaybg_output_config), 1); - config->output = strdup(optarg); - config->mode = BACKGROUND_MODE_INVALID; - wl_list_init(&config->link); // init for safe removal - break; - case 'v': // version - fprintf(stdout, "swaybg version " SWAY_VERSION "\n"); - exit(EXIT_SUCCESS); - break; - default: - fprintf(c == 'h' ? stdout : stderr, "%s", usage); - exit(c == 'h' ? EXIT_SUCCESS : EXIT_FAILURE); - } - } - if (config && !store_swaybg_output_config(state, config)) { - // Empty config or merged on top of an existing one - destroy_swaybg_output_config(config); - } - - // Check for invalid options - if (optind < argc) { - config = NULL; - struct swaybg_output_config *tmp = NULL; - wl_list_for_each_safe(config, tmp, &state->configs, link) { - destroy_swaybg_output_config(config); - } - // continue into empty list - } - if (wl_list_empty(&state->configs)) { - fprintf(stderr, "%s", usage); - exit(EXIT_FAILURE); - } - - // Set default mode and remove empties - config = NULL; - struct swaybg_output_config *tmp = NULL; - wl_list_for_each_safe(config, tmp, &state->configs, link) { - if (!config->image && !config->color) { - destroy_swaybg_output_config(config); - } else if (config->mode == BACKGROUND_MODE_INVALID) { - config->mode = config->image - ? BACKGROUND_MODE_STRETCH - : BACKGROUND_MODE_SOLID_COLOR; - } - } - return; -no_output: - fprintf(stderr, "Cannot operate on NULL output config\n"); - exit(EXIT_FAILURE); -} - -int main(int argc, char **argv) { - sway_log_init(SWAY_DEBUG, NULL); - - struct swaybg_state state = {0}; - wl_list_init(&state.configs); - wl_list_init(&state.outputs); - - parse_command_line(argc, argv, &state); - - state.display = wl_display_connect(NULL); - if (!state.display) { - sway_log(SWAY_ERROR, "Unable to connect to the compositor. " - "If your compositor is running, check or set the " - "WAYLAND_DISPLAY environment variable."); - return 1; - } - - struct wl_registry *registry = wl_display_get_registry(state.display); - wl_registry_add_listener(registry, ®istry_listener, &state); - wl_display_roundtrip(state.display); - if (state.compositor == NULL || state.shm == NULL || - state.layer_shell == NULL || state.xdg_output_manager == NULL) { - sway_log(SWAY_ERROR, "Missing a required Wayland interface"); - return 1; - } - - struct swaybg_output *output; - wl_list_for_each(output, &state.outputs, link) { - output->xdg_output = zxdg_output_manager_v1_get_xdg_output( - state.xdg_output_manager, output->wl_output); - zxdg_output_v1_add_listener(output->xdg_output, - &xdg_output_listener, output); - } - - state.run_display = true; - while (wl_display_dispatch(state.display) != -1 && state.run_display) { - // This space intentionally left blank - } - - struct swaybg_output *tmp_output; - wl_list_for_each_safe(output, tmp_output, &state.outputs, link) { - destroy_swaybg_output(output); - } - - struct swaybg_output_config *config = NULL, *tmp_config = NULL; - wl_list_for_each_safe(config, tmp_config, &state.configs, link) { - destroy_swaybg_output_config(config); - } - - return 0; -} diff --git a/swaybg/meson.build b/swaybg/meson.build deleted file mode 100644 index 2b93da47..00000000 --- a/swaybg/meson.build +++ /dev/null @@ -1,16 +0,0 @@ -executable( - 'swaybg', - 'main.c', - include_directories: [sway_inc], - dependencies: [ - cairo, - client_protos, - gdk_pixbuf, - jsonc, - pango, - pangocairo, - wayland_client - ], - link_with: [lib_sway_common, lib_sway_client], - install: true -) diff --git a/swaybg/swaybg.1.scd b/swaybg/swaybg.1.scd deleted file mode 100644 index 027e5d63..00000000 --- a/swaybg/swaybg.1.scd +++ /dev/null @@ -1,44 +0,0 @@ -swaybg(1) - -# NAME - -swaybg - Background for Wayland - -# SYNOPSIS - -*swaybg* [options...] - -Displays a background image on all outputs of your Wayland session. - -Without an output specified, appearance options apply to all outputs. -Per-output appearance options can be set by passing _-o, --output_ followed by -these options. - -# OPTIONS - -*-c, --color* <rrggbb[aa]> - Set the background color. - -*-h, --help* - Show help message and quit. - -*-i, --image* <path> - Set the background image. - -*-m, --mode* <mode> - Scaling mode for images: _stretch_, _fill_, _fit_, _center_, or _tile_. Use - the additional mode _solid\_color_ to display only the background color, - even if a background image is specified. - -*-o, --output* <name> - Select an output to configure. Subsequent appearance options will only - apply to this output. The special value _\*_ selects all outputs. - -*-v, --version* - Show the version number and quit. - -# AUTHORS - -Maintained by Drew DeVault <sir@cmpwn.com>, who is assisted by other open -source contributors. For more information about swaybg development, see -https://github.com/swaywm/sway. |