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Merge b2bf05190c into 671a202c94

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emersion 2018-07-13 15:52:56 +00:00 • committed by GitHub
commit 96d9b0b125
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14 changed files with 524 additions and 238 deletions
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4
include/sway/config.h
View file

@ -474,11 +474,11 @@ void free_sway_binding(struct sway_binding *sb);
struct sway_binding *sway_binding_dup(struct sway_binding *sb);
void load_swaybars();
void load_swaybars(void);
void invoke_swaybar(struct bar_config *bar);
void terminate_swaybg(pid_t pid);
void load_swaybg(void);
struct bar_config *default_bar_config(void);

2
include/sway/output.h
View file

@ -31,8 +31,6 @@ struct sway_output {
struct wl_list link;
pid_t bg_pid;
struct {
struct wl_signal destroy;
} events;

54
include/swaybg.h Normal file
View file

@ -0,0 +1,54 @@
#ifndef _SWAYBG_H
#define _SWAYBG_H
#include <stdbool.h>
#include <stdint.h>
#include <wayland-client.h>
#include "background-image.h"
#include "cairo.h"
#include "pool-buffer.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
struct swaybg_args {
uint32_t color;
enum background_mode mode;
};
// There is exactly one swaybg_image for each -i argument
struct swaybg_image {
char *path;
char *output_name;
cairo_surface_t *cairo_surface;
struct wl_list link;
};
struct swaybg_state {
struct wl_display *display;
struct wl_compositor *compositor;
struct zwlr_layer_shell_v1 *layer_shell;
struct wl_shm *shm;
struct wl_list surfaces;
struct wl_list images;
struct swaybg_args args;
bool run_display;
struct zxdg_output_manager_v1 *zxdg_output_manager;
};
struct swaybg_surface {
cairo_surface_t *image;
struct swaybg_state *state;
struct wl_output *output;
uint32_t output_global_name;
struct zxdg_output_v1 *xdg_output;
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;
char *output_name;
struct wl_list link;
};
void render_surface(struct swaybg_surface *surface);
#endif

3
meson.build
View file

@ -72,9 +72,10 @@ if scdoc.found()
'sway/sway.5.scd',
'sway/sway-bar.5.scd',
'sway/sway-input.5.scd',
'swaybg/swaybg.1.scd',
'swayidle/swayidle.1.scd',
'swaylock/swaylock.1.scd',
'swaymsg/swaymsg.1.scd',
'swayidle/swayidle.1.scd',
]
foreach filename : man_files
topic = filename.split('.')[-3].split('/')[-1]

1
sway/commands/reload.c
View file

@ -11,6 +11,7 @@ struct cmd_results *cmd_reload(int argc, char **argv) {
return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config.");
}
load_swaybg();
load_swaybars();
arrange_and_commit(&root_container);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);

2
sway/config/bar.c
View file

@ -225,7 +225,7 @@ static bool active_output(const char *name) {
return false;
}
void load_swaybars() {
void load_swaybars(void) {
for (int i = 0; i < config->bars->length; ++i) {
struct bar_config *bar = config->bars->items[i];
bool apply = false;

92
sway/config/bg.c Normal file
View file

@ -0,0 +1,92 @@
#define _POSIX_C_SOURCE 200809L
#define _XOPEN_SOURCE 700
#include <assert.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include "sway/config.h"
#include "stringop.h"
#include "list.h"
#include "log.h"
static pid_t swaybg_pid = -1;
static void terminate_swaybg(void) {
wlr_log(WLR_DEBUG, "Terminating swaybg %d", swaybg_pid);
int ret = kill(-swaybg_pid, SIGTERM);
if (ret != 0) {
wlr_log_errno(WLR_ERROR, "Unable to terminate swaybg %d", swaybg_pid);
} else {
waitpid(swaybg_pid, NULL, 0);
}
swaybg_pid = 0;
}
void load_swaybg(void) {
if (swaybg_pid >= 0) {
terminate_swaybg();
}
swaybg_pid = fork();
if (swaybg_pid < 0) {
wlr_log(WLR_ERROR, "Failed to fork()");
return;
} else if (swaybg_pid == 0) {
setsid();
const char *cmd = config->swaybg_command ?
config->swaybg_command : "swaybg";
size_t argv_cap = 2 + 4 * config->output_configs->length;
size_t argv_len = 0;
char *argv[argv_cap];
argv[argv_len++] = "swaybg";
for (int i = 0; i < config->output_configs->length; ++i) {
struct output_config *oc = config->output_configs->items[i];
if (oc->background_option) {
if (strcmp(oc->background_option, "solid_color") == 0) {
argv[argv_len++] = "--color";
argv[argv_len++] = oc->background;
continue;
}
argv[argv_len++] = "--scaling";
argv[argv_len++] = oc->background_option;
}
if (oc->background) {
char *arg;
if (strcmp(oc->name, "*") == 0) {
arg = oc->background;
} else {
arg = malloc(strlen(oc->name) + 1 +
strlen(oc->background) + 1);
strcpy(arg, oc->name);
strcat(arg, ":");
strcat(arg, oc->background);
}
argv[argv_len++] = "--image";
argv[argv_len++] = arg;
}
}
argv[argv_len++] = NULL;
assert(argv_len <= argv_cap);
execvp(cmd, argv);
wlr_log(WLR_ERROR, "Failed to exec swaybg");
exit(EXIT_FAILURE);
}
wlr_log(WLR_ERROR, "Spawned swaybg %d", swaybg_pid);
}

64
sway/config/output.c
View file

@ -2,8 +2,6 @@
#include <assert.h>
#include <stdbool.h>
#include <string.h>
#include <signal.h>
#include <sys/wait.h>
#include <unistd.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
@ -113,16 +111,6 @@ static void set_mode(struct wlr_output *output, int width, int height,
}
}
void terminate_swaybg(pid_t pid) {
int ret = kill(pid, SIGTERM);
if (ret != 0) {
wlr_log(WLR_ERROR, "Unable to terminate swaybg [pid: %d]", pid);
} else {
int status;
waitpid(pid, &status, 0);
}
}
void apply_output_config(struct output_config *oc, struct sway_container *output) {
assert(output->type == C_OUTPUT);
@ -132,10 +120,6 @@ void apply_output_config(struct output_config *oc, struct sway_container *output
if (oc && oc->enabled == 0) {
struct sway_output *sway_output = output->sway_output;
if (output->sway_output->bg_pid != 0) {
terminate_swaybg(output->sway_output->bg_pid);
output->sway_output->bg_pid = 0;
}
container_destroy(output);
sway_output->swayc = NULL;
wlr_output_layout_remove(root_container.sway_root->output_layout,
@ -165,58 +149,14 @@ void apply_output_config(struct output_config *oc, struct sway_container *output
wlr_output_layout_add_auto(output_layout, wlr_output);
}
if (!oc || !oc->background) {
// Look for a * config for background
int i = list_seq_find(config->output_configs, output_name_cmp, "*");
if (i >= 0) {
oc = config->output_configs->items[i];
} else {
oc = NULL;
}
}
int output_i;
for (output_i = 0; output_i < root_container.children->length; ++output_i) {
if (root_container.children->items[output_i] == output) {
break;
}
}
if (oc && oc->background) {
if (output->sway_output->bg_pid != 0) {
terminate_swaybg(output->sway_output->bg_pid);
}
wlr_log(WLR_DEBUG, "Setting background for output %d to %s",
output_i, oc->background);
size_t len = snprintf(NULL, 0, "%s %d %s %s",
config->swaybg_command ? config->swaybg_command : "swaybg",
output_i, oc->background, oc->background_option);
char *command = malloc(len + 1);
if (!command) {
wlr_log(WLR_DEBUG, "Unable to allocate swaybg command");
return;
}
snprintf(command, len + 1, "%s %d %s %s",
config->swaybg_command ? config->swaybg_command : "swaybg",
output_i, oc->background, oc->background_option);
wlr_log(WLR_DEBUG, "-> %s", command);
char *const cmd[] = { "sh", "-c", command, NULL };
output->sway_output->bg_pid = fork();
if (output->sway_output->bg_pid == 0) {
execvp(cmd[0], cmd);
}
}
if (oc && oc->dpms_state != DPMS_IGNORE) {
switch (oc->dpms_state) {
case DPMS_ON:
wlr_log(WLR_DEBUG, "Turning on screen");
wlr_log(WLR_DEBUG, "Turning on output %s", oc->name);
wlr_output_enable(wlr_output, true);
break;
case DPMS_OFF:
wlr_log(WLR_DEBUG, "Turning off screen");
wlr_log(WLR_DEBUG, "Turning off output %s", oc->name);
wlr_output_enable(wlr_output, false);
break;
case DPMS_IGNORE:

3
sway/meson.build
View file

@ -25,9 +25,10 @@ sway_sources = files(
'input/keyboard.c',
'config/bar.c',
'config/bg.c',
'config/input.c',
'config/output.c',
'config/seat.c',
'config/input.c',
'commands/assign.c',
'commands/bar.c',

1
sway/server.c
View file

@ -148,5 +148,6 @@ void server_run(struct sway_server *server) {
wlr_backend_destroy(server->backend);
return;
}
load_swaybg();
wl_display_run(server->wl_display);
}

457
swaybg/main.c
View file

@ -1,116 +1,82 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
#include <time.h>
#include <wayland-client.h>
#include <wlr/util/log.h>
#include "background-image.h"
#include "pool-buffer.h"
#include "cairo.h"
#include <wordexp.h>
#include "log.h"
#include "stringop.h"
#include "swaybg.h"
#include "util.h"
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
#include "xdg-output-unstable-v1-client-protocol.h"
struct swaybg_args {
int output_idx;
const char *path;
enum background_mode mode;
};
struct swaybg_context {
uint32_t color;
cairo_surface_t *image;
};
struct swaybg_state {
const struct swaybg_args *args;
struct swaybg_context context;
struct wl_display *display;
struct wl_compositor *compositor;
struct zwlr_layer_shell_v1 *layer_shell;
struct wl_shm *shm;
struct wl_output *output;
struct wl_surface *surface;
struct wl_region *input_region;
struct zwlr_layer_surface_v1 *layer_surface;
bool run_display;
uint32_t width, height;
int32_t scale;
struct pool_buffer buffers[2];
struct pool_buffer *current_buffer;
};
bool is_valid_color(const char *color) {
int len = strlen(color);
if (len != 7 || color[0] != '#') {
wlr_log(WLR_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;
void sway_terminate(void) {
exit(0);
}
static void render_frame(struct swaybg_state *state) {
int buffer_width = state->width * state->scale,
buffer_height = state->height * state->scale;
state->current_buffer = get_next_buffer(state->shm,
state->buffers, buffer_width, buffer_height);
cairo_t *cairo = state->current_buffer->cairo;
if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) {
cairo_set_source_u32(cairo, state->context.color);
cairo_paint(cairo);
} else {
render_background_image(cairo, state->context.image,
state->args->mode, buffer_width, buffer_height);
static void destroy_surface(struct swaybg_surface *surface) {
wl_list_remove(&surface->link);
if (surface->layer_surface != NULL) {
zwlr_layer_surface_v1_destroy(surface->layer_surface);
}
wl_surface_set_buffer_scale(state->surface, state->scale);
wl_surface_attach(state->surface, state->current_buffer->buffer, 0, 0);
wl_surface_damage(state->surface, 0, 0, state->width, state->height);
wl_surface_commit(state->surface);
if (surface->surface != NULL) {
wl_surface_destroy(surface->surface);
}
destroy_buffer(&surface->buffers[0]);
destroy_buffer(&surface->buffers[1]);
wl_output_destroy(surface->output);
free(surface);
}
static bool prepare_context(struct swaybg_state *state) {
if (state->args->mode == BACKGROUND_MODE_SOLID_COLOR) {
state->context.color = parse_color(state->args->path);
return is_valid_color(state->args->path);
}
if (!(state->context.image = load_background_image(state->args->path))) {
return false;
}
return true;
static const struct zwlr_layer_surface_v1_listener layer_surface_listener;
static cairo_surface_t *select_image(struct swaybg_state *state,
struct swaybg_surface *surface);
static void create_layer_surface(struct swaybg_surface *surface) {
struct swaybg_state *state = surface->state;
surface->image = select_image(state, surface);
surface->surface = wl_compositor_create_surface(state->compositor);
assert(surface->surface);
surface->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
state->layer_shell, surface->surface, surface->output,
ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND, "wallpaper");
assert(surface->layer_surface);
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_add_listener(surface->layer_surface,
&layer_surface_listener, surface);
struct wl_region *input_region =
wl_compositor_create_region(state->compositor);
wl_surface_set_input_region(surface->surface, input_region);
wl_region_destroy(input_region);
wl_surface_commit(surface->surface);
}
static void layer_surface_configure(void *data,
struct zwlr_layer_surface_v1 *surface,
struct zwlr_layer_surface_v1 *layer_surface,
uint32_t serial, uint32_t width, uint32_t height) {
struct swaybg_state *state = data;
state->width = width;
state->height = height;
zwlr_layer_surface_v1_ack_configure(surface, serial);
render_frame(state);
struct swaybg_surface *surface = data;
surface->width = width;
surface->height = height;
zwlr_layer_surface_v1_ack_configure(layer_surface, serial);
render_surface(surface);
}
static void layer_surface_closed(void *data,
struct zwlr_layer_surface_v1 *surface) {
struct swaybg_state *state = data;
zwlr_layer_surface_v1_destroy(state->layer_surface);
wl_surface_destroy(state->surface);
wl_region_destroy(state->input_region);
state->run_display = false;
struct zwlr_layer_surface_v1 *layer_surface) {
struct swaybg_surface *surface = data;
destroy_surface(surface);
}
static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
@ -118,34 +84,70 @@ static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.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) {
static void handle_wl_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) {
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 output_done(void *data, struct wl_output *output) {
static void handle_wl_output_done(void *data, struct wl_output *output) {
// Who cares
}
static void output_scale(void *data, struct wl_output *output, int32_t factor) {
struct swaybg_state *state = data;
state->scale = factor;
if (state->run_display) {
render_frame(state);
static void handle_wl_output_scale(void *data, struct wl_output *output,
int32_t factor) {
struct swaybg_surface *surface = data;
surface->scale = factor;
if (surface->state->run_display) {
render_surface(surface);
}
}
static const struct wl_output_listener output_listener = {
.geometry = output_geometry,
.mode = output_mode,
.done = output_done,
.scale = output_scale,
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 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) {
struct swaybg_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) {
// Who cares
}
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 handle_global(void *data, struct wl_registry *registry,
@ -153,27 +155,43 @@ static void handle_global(void *data, struct wl_registry *registry,
struct swaybg_state *state = data;
if (strcmp(interface, wl_compositor_interface.name) == 0) {
state->compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 3);
&wl_compositor_interface, 3);
} 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) {
static int output_idx = 0;
if (output_idx == state->args->output_idx) {
state->output = wl_registry_bind(registry, name,
&wl_output_interface, 3);
wl_output_add_listener(state->output, &output_listener, state);
}
output_idx++;
&wl_shm_interface, 1);
} 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);
registry, name, &zwlr_layer_shell_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 swaybg_surface *surface =
calloc(1, sizeof(struct swaybg_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_layer_surface(surface);
wl_display_roundtrip(state->display);
}
}
}
static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name) {
// who cares
struct swaybg_state *state = data;
struct swaybg_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 = {
@ -181,26 +199,137 @@ static const struct wl_registry_listener registry_listener = {
.global_remove = handle_global_remove,
};
int main(int argc, const char **argv) {
struct swaybg_args args = {0};
static cairo_surface_t *select_image(struct swaybg_state *state,
struct swaybg_surface *surface) {
struct swaybg_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 void load_image(char *arg, struct swaybg_state *state) {
// [<output>:]<path>
struct swaybg_image *image = calloc(1, sizeof(struct swaybg_image));
char *separator = strchr(arg, ':');
if (separator) {
*separator = '\0';
image->output_name = strdup(arg);
image->path = strdup(separator + 1);
} else {
image->output_name = NULL;
image->path = strdup(arg);
}
bool exists = false;
struct swaybg_image *iter_image;
wl_list_for_each(iter_image, &state->images, link) {
if (lenient_strcmp(iter_image->output_name, image->output_name) == 0) {
exists = true;
break;
}
}
if (exists) {
if (image->output_name) {
wlr_log(WLR_ERROR, "Multiple images defined for output %s",
image->output_name);
} else {
wlr_log(WLR_ERROR, "Multiple default images defined");
}
}
// Bash doesn't replace the ~ with $HOME if the output name is supplied
wordexp_t p;
if (wordexp(image->path, &p, 0) == 0) {
free(image->path);
image->path = strdup(p.we_wordv[0]);
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);
state->args.mode = BACKGROUND_MODE_FILL;
wlr_log(WLR_DEBUG, "Loaded image %s for output %s",
image->path, image->output_name ? image->output_name : "*");
}
static const char usage[] =
"Usage: swaybg [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"
" -v, --version Show the version number and quit.\n"
" -i, --image [<output>:]<path> Display the given image.\n";
int main(int argc, char *argv[]) {
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"color", required_argument, NULL, 'c'},
{"image", required_argument, NULL, 'i'},
{"scaling", required_argument, NULL, 's'},
{"version", no_argument, NULL, 'v'},
{"socket", required_argument, NULL, 'p'},
{0}
};
struct swaybg_state state = {0};
state.args = &args;
state.args = (struct swaybg_args){
.mode = BACKGROUND_MODE_SOLID_COLOR,
.color = 0xFFFFFFFF,
};
wl_list_init(&state.images);
wl_list_init(&state.surfaces);
wlr_log_init(WLR_DEBUG, NULL);
if (argc != 4) {
wlr_log(WLR_ERROR, "Do not run this program manually. "
"See man 5 sway and look for output options.");
return 1;
}
args.output_idx = atoi(argv[1]);
args.path = argv[2];
args.mode = parse_background_mode(argv[3]);
if (args.mode == BACKGROUND_MODE_INVALID) {
return 1;
}
if (!prepare_context(&state)) {
return 1;
int c;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "hc:i:s:v", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 'c': {
state.args.color = parse_color(optarg);
state.args.mode = BACKGROUND_MODE_SOLID_COLOR;
break;
}
case 'i':
load_image(optarg, &state);
break;
case 's':
state.args.mode = parse_background_mode(optarg);
if (state.args.mode == BACKGROUND_MODE_INVALID) {
return 1;
}
break;
case 't':
state.args.mode = BACKGROUND_MODE_TILE;
break;
case 'v':
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
fprintf(stdout, "swaybg version %s (%s, branch \"%s\")\n",
SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
#else
fprintf(stdout, "version unknown\n");
#endif
return 0;
default:
fprintf(stderr, "%s", usage);
return 1;
}
}
state.display = wl_display_connect(NULL);
@ -209,34 +338,26 @@ int main(int argc, const char **argv) {
struct wl_registry *registry = wl_display_get_registry(state.display);
wl_registry_add_listener(registry, &registry_listener, &state);
wl_display_roundtrip(state.display);
assert(state.compositor && state.layer_shell && state.output && state.shm);
assert(state.compositor && state.layer_shell && state.shm);
// Second roundtrip to get output properties
wl_display_roundtrip(state.display);
if (state.zxdg_output_manager) {
struct swaybg_surface *surface;
wl_list_for_each(surface, &state.surfaces, link) {
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);
}
wl_display_roundtrip(state.display);
} else {
wlr_log(WLR_INFO, "Compositor does not support zxdg output manager, "
"images assigned to named outputs will not work");
}
state.surface = wl_compositor_create_surface(state.compositor);
assert(state.surface);
state.input_region = wl_compositor_create_region(state.compositor);
assert(state.input_region);
wl_surface_set_input_region(state.surface, state.input_region);
state.layer_surface = zwlr_layer_shell_v1_get_layer_surface(
state.layer_shell, state.surface, state.output,
ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND, "wallpaper");
assert(state.layer_surface);
zwlr_layer_surface_v1_set_size(state.layer_surface, 0, 0);
zwlr_layer_surface_v1_set_anchor(state.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(state.layer_surface, -1);
zwlr_layer_surface_v1_add_listener(state.layer_surface,
&layer_surface_listener, &state);
wl_surface_commit(state.surface);
wl_display_roundtrip(state.display);
struct swaybg_surface *surface;
wl_list_for_each(surface, &state.surfaces, link) {
create_layer_surface(surface);
}
state.run_display = true;
while (wl_display_dispatch(state.display) != -1 && state.run_display) {

2
swaybg/meson.build
View file

@ -1,6 +1,6 @@
executable(
'swaybg',
'main.c',
['main.c', 'render.c'],
include_directories: [sway_inc],
dependencies: [
cairo,

40
swaybg/render.c Normal file
View file

@ -0,0 +1,40 @@
#include <stdlib.h>
#include <wayland-client.h>
#include "background-image.h"
#include "cairo.h"
#include "swaybg.h"
void render_surface(struct swaybg_surface *surface) {
struct swaybg_state *state = surface->state;
int buffer_width = surface->width * surface->scale;
int buffer_height = surface->height * surface->scale;
if (buffer_width == 0 || buffer_height == 0) {
return; // not yet configured
}
surface->current_buffer = get_next_buffer(state->shm, surface->buffers,
buffer_width, buffer_height);
if (surface->current_buffer == NULL) {
return;
}
cairo_t *cairo = surface->current_buffer->cairo;
cairo_identity_matrix(cairo);
cairo_save(cairo);
cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
if (state->args.mode == BACKGROUND_MODE_SOLID_COLOR || !surface->image) {
cairo_set_source_u32(cairo, state->args.color);
cairo_paint(cairo);
} else {
render_background_image(cairo, surface->image,
state->args.mode, buffer_width, buffer_height);
}
cairo_restore(cairo);
wl_surface_set_buffer_scale(surface->surface, surface->scale);
wl_surface_attach(surface->surface, surface->current_buffer->buffer, 0, 0);
wl_surface_damage(surface->surface, 0, 0, surface->width, surface->height);
wl_surface_commit(surface->surface);
}

37
swaybg/swaybg.1.scd Normal file
View file

@ -0,0 +1,37 @@
swaybg(1)
# NAME
swaybg - Screen background for Wayland
# SYNOPSIS
_swaybg_ [options...]
Displays a background in your Wayland session.
# OPTIONS
*-h, --help*
Show help message and quit.
*-c, --color* <rrggbb[aa]>
Turn the screen into the given color. If -i is used, this sets the
background of the image to the given color. Defaults to white (FFFFFF), or
transparent (00000000) if an image is in use.
*-i, --image* [<output>:]<path>
Display the given image, optionally only on the given output. Use -c to set
a background color.
*--scaling*
Scaling mode for images: _stretch_, _fill_, _fit_, _center_, or _tile_.
*-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 sway development, see
https://github.com/swaywm/sway.