mirror of
https://github.com/swaywm/sway.git
synced 2024-11-26 18:01:29 +00:00
bc9b93f597
Use of busyloop caused high cpu usage for sway because swaybar had to be redrawn all the time. By using select instead the bar only has to be redrawn when the status_command changes (i.e. every second) or when the workspaces are updated. Fix #345
515 lines
15 KiB
C
515 lines
15 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <unistd.h>
|
|
#include <sys/select.h>
|
|
#include <errno.h>
|
|
#include <json-c/json.h>
|
|
#include <sys/un.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <getopt.h>
|
|
#include "ipc-client.h"
|
|
#include "client/registry.h"
|
|
#include "client/window.h"
|
|
#include "client/pango.h"
|
|
#include "stringop.h"
|
|
#include "log.h"
|
|
|
|
#define MARGIN 5
|
|
|
|
struct box_colors {
|
|
uint32_t border;
|
|
uint32_t background;
|
|
uint32_t text;
|
|
};
|
|
|
|
struct colors {
|
|
uint32_t background;
|
|
uint32_t statusline;
|
|
uint32_t separator;
|
|
|
|
struct box_colors focused_workspace;
|
|
struct box_colors active_workspace;
|
|
struct box_colors inactive_workspace;
|
|
struct box_colors urgent_workspace;
|
|
struct box_colors binding_mode;
|
|
};
|
|
|
|
struct workspace {
|
|
int num;
|
|
char *name;
|
|
bool focused;
|
|
bool visible;
|
|
bool urgent;
|
|
};
|
|
|
|
list_t *workspaces = NULL;
|
|
int socketfd;
|
|
pid_t pid;
|
|
int pipefd[2];
|
|
FILE *command;
|
|
char line[1024];
|
|
char *output, *status_command;
|
|
struct registry *registry;
|
|
struct window *window;
|
|
bool dirty = true;
|
|
|
|
struct colors colors = {
|
|
.background = 0x000000FF,
|
|
.statusline = 0xFFFFFFFF,
|
|
.separator = 0x666666FF,
|
|
|
|
.focused_workspace = {
|
|
.border = 0x4C7899FF,
|
|
.background = 0x285577FF,
|
|
.text = 0xFFFFFFFF
|
|
},
|
|
.active_workspace = {
|
|
.border = 0x333333FF,
|
|
.background = 0x5F676AFF,
|
|
.text = 0xFFFFFFFF
|
|
},
|
|
.inactive_workspace = {
|
|
.border = 0x333333FF,
|
|
.background = 0x222222FF,
|
|
.text = 0x888888FF
|
|
},
|
|
.urgent_workspace = {
|
|
.border = 0x2F343AFF,
|
|
.background = 0x900000FF,
|
|
.text = 0xFFFFFFFF
|
|
},
|
|
.binding_mode = {
|
|
.border = 0x2F343AFF,
|
|
.background = 0x900000FF,
|
|
.text = 0xFFFFFFFF
|
|
},
|
|
};
|
|
|
|
void sway_terminate(void) {
|
|
window_teardown(window);
|
|
if (registry) {
|
|
registry_teardown(registry);
|
|
}
|
|
|
|
if (command) {
|
|
fclose(command);
|
|
}
|
|
|
|
if (pid) {
|
|
// terminate status_command process
|
|
kill(pid, SIGTERM);
|
|
}
|
|
|
|
if (pipefd[0]) {
|
|
close(pipefd[0]);
|
|
}
|
|
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
|
|
cairo_set_source_rgba(cairo,
|
|
((color & 0xFF000000) >> 24) / 256.0,
|
|
((color & 0xFF0000) >> 16) / 256.0,
|
|
((color & 0xFF00) >> 8) / 256.0,
|
|
(color & 0xFF) / 256.0);
|
|
}
|
|
|
|
void ipc_update_workspaces() {
|
|
if (workspaces) {
|
|
free_flat_list(workspaces);
|
|
}
|
|
workspaces = create_list();
|
|
|
|
uint32_t len = 0;
|
|
char *res = ipc_single_command(socketfd, IPC_GET_WORKSPACES, NULL, &len);
|
|
json_object *results = json_tokener_parse(res);
|
|
if (!results) {
|
|
free(res);
|
|
return;
|
|
}
|
|
|
|
int i;
|
|
for (i = 0; i < json_object_array_length(results); ++i) {
|
|
json_object *ws_json = json_object_array_get_idx(results, i);
|
|
json_object *num, *name, *visible, *focused, *out, *urgent;
|
|
if (!ws_json) {
|
|
return;
|
|
}
|
|
json_object_object_get_ex(ws_json, "num", &num);
|
|
json_object_object_get_ex(ws_json, "name", &name);
|
|
json_object_object_get_ex(ws_json, "visible", &visible);
|
|
json_object_object_get_ex(ws_json, "focused", &focused);
|
|
json_object_object_get_ex(ws_json, "output", &out);
|
|
json_object_object_get_ex(ws_json, "urgent", &urgent);
|
|
|
|
if (strcmp(json_object_get_string(out), output) == 0) {
|
|
struct workspace *ws = malloc(sizeof(struct workspace));
|
|
ws->num = json_object_get_int(num);
|
|
ws->name = strdup(json_object_get_string(name));
|
|
ws->visible = json_object_get_boolean(visible);
|
|
ws->focused = json_object_get_boolean(focused);
|
|
ws->urgent = json_object_get_boolean(urgent);
|
|
list_add(workspaces, ws);
|
|
}
|
|
}
|
|
|
|
json_object_put(results);
|
|
free(res);
|
|
}
|
|
|
|
uint32_t parse_color(const char *color) {
|
|
if (color[0] != '#') {
|
|
sway_abort("Invalid color %s", color);
|
|
}
|
|
char *end;
|
|
uint32_t res = (uint32_t)strtol(color + 1, &end, 16);
|
|
if (strlen(color) == 7) {
|
|
res = (res << 8) | 0xFF;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
uint32_t parse_position(const char *position) {
|
|
if (strcmp("top", position) == 0) {
|
|
return DESKTOP_SHELL_PANEL_POSITION_TOP;
|
|
} else if (strcmp("bottom", position) == 0) {
|
|
return DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
|
|
} else if (strcmp("left", position) == 0) {
|
|
return DESKTOP_SHELL_PANEL_POSITION_LEFT;
|
|
} else if (strcmp("right", position) == 0) {
|
|
return DESKTOP_SHELL_PANEL_POSITION_RIGHT;
|
|
} else {
|
|
return DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
|
|
}
|
|
}
|
|
|
|
void bar_ipc_init(int outputi, const char *bar_id) {
|
|
uint32_t len = 0;
|
|
char *res = ipc_single_command(socketfd, IPC_GET_OUTPUTS, NULL, &len);
|
|
json_object *outputs = json_tokener_parse(res);
|
|
json_object *info = json_object_array_get_idx(outputs, outputi);
|
|
json_object *name;
|
|
json_object_object_get_ex(info, "name", &name);
|
|
output = strdup(json_object_get_string(name));
|
|
free(res);
|
|
json_object_put(outputs);
|
|
|
|
len = strlen(bar_id);
|
|
res = ipc_single_command(socketfd, IPC_GET_BAR_CONFIG, bar_id, &len);
|
|
|
|
json_object *bar_config = json_tokener_parse(res);
|
|
json_object *tray_output, *mode, *hidden_state, *position, *_status_command;
|
|
json_object *font, *bar_height, *workspace_buttons, *strip_workspace_numbers;
|
|
json_object *binding_mode_indicator, *verbose, *_colors;
|
|
json_object_object_get_ex(bar_config, "tray_output", &tray_output);
|
|
json_object_object_get_ex(bar_config, "mode", &mode);
|
|
json_object_object_get_ex(bar_config, "hidden_state", &hidden_state);
|
|
json_object_object_get_ex(bar_config, "position", &position);
|
|
json_object_object_get_ex(bar_config, "status_command", &_status_command);
|
|
json_object_object_get_ex(bar_config, "font", &font);
|
|
json_object_object_get_ex(bar_config, "bar_height", &bar_height);
|
|
json_object_object_get_ex(bar_config, "workspace_buttons", &workspace_buttons);
|
|
json_object_object_get_ex(bar_config, "strip_workspace_numbers", &strip_workspace_numbers);
|
|
json_object_object_get_ex(bar_config, "binding_mode_indicator", &binding_mode_indicator);
|
|
json_object_object_get_ex(bar_config, "verbose", &verbose);
|
|
json_object_object_get_ex(bar_config, "colors", &_colors);
|
|
|
|
// TODO: More of these options
|
|
// TODO: Refactor swaybar into several files, create a bar config struct (shared with compositor?)
|
|
if (_status_command) {
|
|
status_command = strdup(json_object_get_string(_status_command));
|
|
}
|
|
|
|
if (position) {
|
|
desktop_shell_set_panel_position(registry->desktop_shell, parse_position(json_object_get_string(position)));
|
|
}
|
|
|
|
if (_colors) {
|
|
json_object *background, *statusline, *separator;
|
|
json_object *focused_workspace_border, *focused_workspace_bg, *focused_workspace_text;
|
|
json_object *inactive_workspace_border, *inactive_workspace_bg, *inactive_workspace_text;
|
|
json_object *active_workspace_border, *active_workspace_bg, *active_workspace_text;
|
|
json_object *urgent_workspace_border, *urgent_workspace_bg, *urgent_workspace_text;
|
|
json_object *binding_mode_border, *binding_mode_bg, *binding_mode_text;
|
|
json_object_object_get_ex(_colors, "background", &background);
|
|
json_object_object_get_ex(_colors, "statusline", &statusline);
|
|
json_object_object_get_ex(_colors, "separator", &separator);
|
|
json_object_object_get_ex(_colors, "focused_workspace_border", &focused_workspace_border);
|
|
json_object_object_get_ex(_colors, "focused_workspace_bg", &focused_workspace_bg);
|
|
json_object_object_get_ex(_colors, "focused_workspace_text", &focused_workspace_text);
|
|
json_object_object_get_ex(_colors, "active_workspace_border", &active_workspace_border);
|
|
json_object_object_get_ex(_colors, "active_workspace_bg", &active_workspace_bg);
|
|
json_object_object_get_ex(_colors, "active_workspace_text", &active_workspace_text);
|
|
json_object_object_get_ex(_colors, "inactive_workspace_border", &inactive_workspace_border);
|
|
json_object_object_get_ex(_colors, "inactive_workspace_bg", &inactive_workspace_bg);
|
|
json_object_object_get_ex(_colors, "inactive_workspace_text", &inactive_workspace_text);
|
|
json_object_object_get_ex(_colors, "urgent_workspace_border", &urgent_workspace_border);
|
|
json_object_object_get_ex(_colors, "urgent_workspace_bg", &urgent_workspace_bg);
|
|
json_object_object_get_ex(_colors, "urgent_workspace_text", &urgent_workspace_text);
|
|
json_object_object_get_ex(_colors, "binding_mode_border", &binding_mode_border);
|
|
json_object_object_get_ex(_colors, "binding_mode_bg", &binding_mode_bg);
|
|
json_object_object_get_ex(_colors, "binding_mode_text", &binding_mode_text);
|
|
if (background) colors.background = parse_color(json_object_get_string(background));
|
|
if (statusline) colors.statusline = parse_color(json_object_get_string(statusline));
|
|
if (separator) colors.separator = parse_color(json_object_get_string(separator));
|
|
if (focused_workspace_border) {
|
|
colors.focused_workspace.border = parse_color(json_object_get_string(focused_workspace_border));
|
|
}
|
|
if (focused_workspace_bg) {
|
|
colors.focused_workspace.background = parse_color(json_object_get_string(focused_workspace_bg));
|
|
}
|
|
if (focused_workspace_text) {
|
|
colors.focused_workspace.text = parse_color(json_object_get_string(focused_workspace_text));
|
|
}
|
|
if (active_workspace_border) {
|
|
colors.active_workspace.border = parse_color(json_object_get_string(active_workspace_border));
|
|
}
|
|
if (active_workspace_bg) {
|
|
colors.active_workspace.background = parse_color(json_object_get_string(active_workspace_bg));
|
|
}
|
|
if (active_workspace_text) {
|
|
colors.active_workspace.text = parse_color(json_object_get_string(active_workspace_text));
|
|
}
|
|
if (inactive_workspace_border) {
|
|
colors.inactive_workspace.border = parse_color(json_object_get_string(inactive_workspace_border));
|
|
}
|
|
if (inactive_workspace_bg) {
|
|
colors.inactive_workspace.background = parse_color(json_object_get_string(inactive_workspace_bg));
|
|
}
|
|
if (inactive_workspace_text) {
|
|
colors.inactive_workspace.text = parse_color(json_object_get_string(inactive_workspace_text));
|
|
}
|
|
if (binding_mode_border) {
|
|
colors.binding_mode.border = parse_color(json_object_get_string(binding_mode_border));
|
|
}
|
|
if (binding_mode_bg) {
|
|
colors.binding_mode.background = parse_color(json_object_get_string(binding_mode_bg));
|
|
}
|
|
if (binding_mode_text) {
|
|
colors.binding_mode.text = parse_color(json_object_get_string(binding_mode_text));
|
|
}
|
|
}
|
|
|
|
json_object_put(bar_config);
|
|
free(res);
|
|
|
|
const char *subscribe_json = "[ \"workspace\" ]";
|
|
len = strlen(subscribe_json);
|
|
res = ipc_single_command(socketfd, IPC_SUBSCRIBE, subscribe_json, &len);
|
|
|
|
ipc_update_workspaces();
|
|
}
|
|
|
|
void render() {
|
|
// Clear
|
|
cairo_save(window->cairo);
|
|
cairo_set_operator(window->cairo, CAIRO_OPERATOR_CLEAR);
|
|
cairo_paint(window->cairo);
|
|
cairo_restore(window->cairo);
|
|
|
|
// Background
|
|
cairo_set_source_u32(window->cairo, colors.background);
|
|
cairo_paint(window->cairo);
|
|
|
|
// Command output
|
|
cairo_set_source_u32(window->cairo, colors.statusline);
|
|
int width, height;
|
|
get_text_size(window, &width, &height, "%s", line);
|
|
|
|
cairo_move_to(window->cairo, window->width - MARGIN - width, MARGIN);
|
|
pango_printf(window, "%s", line);
|
|
|
|
// Workspaces
|
|
cairo_set_line_width(window->cairo, 2.0);
|
|
int x = 1;
|
|
int i;
|
|
for (i = 0; i < workspaces->length; ++i) {
|
|
struct workspace *ws = workspaces->items[i];
|
|
get_text_size(window, &width, &height, "%s", ws->name);
|
|
struct box_colors box_colors;
|
|
if (ws->urgent) {
|
|
box_colors = colors.urgent_workspace;
|
|
} else if (ws->focused) {
|
|
box_colors = colors.focused_workspace;
|
|
} else if (ws->visible) {
|
|
box_colors = colors.active_workspace;
|
|
} else {
|
|
box_colors = colors.inactive_workspace;
|
|
}
|
|
cairo_set_source_u32(window->cairo, box_colors.background);
|
|
cairo_rectangle(window->cairo, x, 0, width + MARGIN * 2, window->height);
|
|
cairo_fill(window->cairo);
|
|
|
|
cairo_set_source_u32(window->cairo, box_colors.border);
|
|
cairo_rectangle(window->cairo, x, 2, width + MARGIN * 2, window->height - 4);
|
|
cairo_stroke(window->cairo);
|
|
|
|
cairo_set_source_u32(window->cairo, box_colors.text);
|
|
cairo_move_to(window->cairo, x + MARGIN, MARGIN);
|
|
pango_printf(window, "%s", ws->name);
|
|
|
|
x += width + MARGIN * 2 + MARGIN;
|
|
}
|
|
}
|
|
|
|
void poll_for_update() {
|
|
fd_set readfds;
|
|
int activity;
|
|
|
|
while (1) {
|
|
if (dirty && window_prerender(window) && window->cairo) {
|
|
render();
|
|
window_render(window);
|
|
}
|
|
|
|
if (wl_display_dispatch(registry->display) == -1) {
|
|
break;
|
|
}
|
|
|
|
dirty = false;
|
|
FD_ZERO(&readfds);
|
|
FD_SET(socketfd, &readfds);
|
|
FD_SET(pipefd[0], &readfds);
|
|
|
|
activity = select(FD_SETSIZE, &readfds, NULL, NULL, NULL);
|
|
if (activity < 0) {
|
|
sway_log(L_ERROR, "polling failed: %d", errno);
|
|
}
|
|
|
|
if (FD_ISSET(socketfd, &readfds)) {
|
|
sway_log(L_DEBUG, "Got workspace update.");
|
|
uint32_t len;
|
|
char *buf = ipc_recv_response(socketfd, &len);
|
|
free(buf);
|
|
ipc_update_workspaces();
|
|
dirty = true;
|
|
}
|
|
|
|
if (status_command && FD_ISSET(pipefd[0], &readfds)) {
|
|
sway_log(L_DEBUG, "Got update from status command.");
|
|
fgets(line, sizeof(line), command);
|
|
int l = strlen(line) - 1;
|
|
if (line[l] == '\n') {
|
|
line[l] = '\0';
|
|
}
|
|
dirty = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
init_log(L_INFO);
|
|
|
|
char *socket_path = NULL;
|
|
char *bar_id = NULL;
|
|
|
|
static struct option long_options[] = {
|
|
{"version", no_argument, NULL, 'v'},
|
|
{"socket", required_argument, NULL, 's'},
|
|
{"bar_id", required_argument, NULL, 'b'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
int c;
|
|
while (1) {
|
|
int option_index = 0;
|
|
c = getopt_long(argc, argv, "vs:b:", long_options, &option_index);
|
|
if (c == -1) {
|
|
break;
|
|
}
|
|
switch (c) {
|
|
case 's': // Socket
|
|
socket_path = strdup(optarg);
|
|
break;
|
|
case 'b': // Type
|
|
bar_id = strdup(optarg);
|
|
break;
|
|
case 'v':
|
|
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
|
|
fprintf(stdout, "sway 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:
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
if (!bar_id) {
|
|
sway_abort("No bar_id passed. Provide --bar_id or let sway start swaybar");
|
|
}
|
|
|
|
registry = registry_poll();
|
|
|
|
if (!registry->desktop_shell) {
|
|
sway_abort("swaybar requires the compositor to support the desktop-shell extension.");
|
|
}
|
|
|
|
if (!socket_path) {
|
|
socket_path = get_socketpath();
|
|
if (!socket_path) {
|
|
sway_abort("Unable to retrieve socket path");
|
|
}
|
|
}
|
|
socketfd = ipc_open_socket(socket_path);
|
|
|
|
if (argc == optind) {
|
|
sway_abort("No output index provided");
|
|
}
|
|
|
|
int desired_output = atoi(argv[optind]);
|
|
struct output_state *output = registry->outputs->items[desired_output];
|
|
|
|
bar_ipc_init(desired_output, bar_id);
|
|
|
|
if (status_command) {
|
|
pipe(pipefd);
|
|
pid = fork();
|
|
if (pid == 0) {
|
|
close(pipefd[0]);
|
|
dup2(pipefd[1], STDOUT_FILENO);
|
|
close(pipefd[1]);
|
|
char *const cmd[] = {
|
|
"sh",
|
|
"-c",
|
|
status_command,
|
|
NULL,
|
|
};
|
|
execvp(cmd[0], cmd);
|
|
return 0;
|
|
}
|
|
|
|
close(pipefd[1]);
|
|
command = fdopen(pipefd[0], "r");
|
|
line[0] = '\0';
|
|
}
|
|
|
|
window = window_setup(registry, output->width, 30, false);
|
|
if (!window) {
|
|
sway_abort("Failed to create window.");
|
|
}
|
|
desktop_shell_set_panel(registry->desktop_shell, output->output, window->surface);
|
|
|
|
int width, height;
|
|
get_text_size(window, &width, &height, "Test string for measuring purposes");
|
|
window->height = height + MARGIN * 2;
|
|
|
|
poll_for_update();
|
|
|
|
window_teardown(window);
|
|
registry_teardown(registry);
|
|
fclose(command);
|
|
// terminate status_command process
|
|
kill(pid, SIGTERM);
|
|
close(pipefd[0]);
|
|
|
|
return 0;
|
|
}
|