diff --git a/include/sway/config.h b/include/sway/config.h index 4a7fee0fb..b7820128d 100644 --- a/include/sway/config.h +++ b/include/sway/config.h @@ -420,6 +420,7 @@ struct sway_binding *sway_binding_dup(struct sway_binding *sb); /* Bar stuff */ void load_swaybars(); +void invoke_swaybar(struct bar_config *bar); void terminate_swaybg(pid_t pid); struct bar_config *default_bar_config(void); void free_bar_config(struct bar_config *bar); diff --git a/sway/config/bar.c b/sway/config/bar.c index ecc357d03..5e02c01ce 100644 --- a/sway/config/bar.c +++ b/sway/config/bar.c @@ -141,3 +141,98 @@ cleanup: free_bar_config(bar); return NULL; } + +void invoke_swaybar(struct bar_config *bar) { + // Pipe to communicate errors + int filedes[2]; + if (pipe(filedes) == -1) { + wlr_log(L_ERROR, "Pipe setup failed! Cannot fork into bar"); + return; + } + + bar->pid = fork(); + if (bar->pid == 0) { + close(filedes[0]); + + // run custom swaybar + size_t len = snprintf(NULL, 0, "%s -b %s", + bar->swaybar_command ? bar->swaybar_command : "swaybar", + bar->id); + char *command = malloc(len + 1); + if (!command) { + const char msg[] = "Unable to allocate swaybar command string"; + size_t len = sizeof(msg); + if (write(filedes[1], &len, sizeof(int))) {}; + if (write(filedes[1], msg, len)) {}; + close(filedes[1]); + exit(1); + } + snprintf(command, len + 1, "%s -b %s", + bar->swaybar_command ? bar->swaybar_command : "swaybar", + bar->id); + char *const cmd[] = { "sh", "-c", command, NULL, }; + close(filedes[1]); + execvp(cmd[0], cmd); + exit(1); + } + close(filedes[0]); + ssize_t len; + if (read(filedes[1], &len, sizeof(int)) == sizeof(int)) { + char *buf = malloc(len); + if(!buf) { + wlr_log(L_ERROR, "Cannot allocate error string"); + return; + } + if (read(filedes[1], buf, len)) { + wlr_log(L_ERROR, "%s", buf); + } + free(buf); + } + close(filedes[1]); +} + +static void terminate_swaybar(pid_t pid) { + int ret = kill(pid, SIGTERM); + if (ret != 0) { + wlr_log_errno(L_ERROR, "Unable to terminate swaybar %d", pid); + } else { + int status; + waitpid(pid, &status, 0); + } +} + +static bool active_output(const char *name) { + swayc_t *cont = NULL; + for (int i = 0; i < root_container.children->length; ++i) { + cont = root_container.children->items[i]; + if (cont->type == C_OUTPUT && strcasecmp(name, cont->name) == 0) { + return true; + } + } + return false; +} + +void load_swaybars() { + for (int i = 0; i < config->bars->length; ++i) { + struct bar_config *bar = config->bars->items[i]; + bool apply = false; + if (bar->outputs) { + for (int j = 0; j < bar->outputs->length; ++j) { + char *o = bar->outputs->items[j]; + if (!strcmp(o, "*") || active_output(o)) { + apply = true; + break; + } + } + } else { + apply = true; + } + if (apply) { + if (bar->pid != 0) { + terminate_swaybar(bar->pid); + } + wlr_log(L_DEBUG, "Invoking swaybar for bar id '%s'", bar->id); + invoke_swaybar(bar); + } + } +} diff --git a/sway/server.c b/sway/server.c index 92f72f13f..75202df2c 100644 --- a/sway/server.c +++ b/sway/server.c @@ -8,6 +8,8 @@ #include #include #include +#include +#include #include // TODO WLR: make Xwayland optional #include @@ -45,10 +47,12 @@ bool server_init(struct sway_server *server) { server->compositor = wlr_compositor_create( server->wl_display, server->renderer); - server->data_device_manager = wlr_data_device_manager_create(server->wl_display); + wlr_screenshooter_create(server->wl_display); + wlr_gamma_control_manager_create(server->wl_display); + server->new_output.notify = handle_new_output; wl_signal_add(&server->backend->events.new_output, &server->new_output); diff --git a/sway/tree/container.c b/sway/tree/container.c index bbafe9ec1..64e2bdee1 100644 --- a/sway/tree/container.c +++ b/sway/tree/container.c @@ -165,8 +165,8 @@ swayc_t *new_output(struct sway_output *sway_output) { } apply_output_config(oc, output); - add_child(&root_container, output); + load_swaybars(); // Create workspace char *ws_name = workspace_next_name(output->name);