diff options
Diffstat (limited to 'sway/config/bar.c')
| -rw-r--r-- | sway/config/bar.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/sway/config/bar.c b/sway/config/bar.c new file mode 100644 index 00000000..2913f059 --- /dev/null +++ b/sway/config/bar.c @@ -0,0 +1,240 @@ +#define _POSIX_C_SOURCE 200809L +#define _XOPEN_SOURCE 700 +#include <stdio.h> +#include <stdbool.h> +#include <stdlib.h> +#include <unistd.h> +#include <wordexp.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include <signal.h> +#include <strings.h> +#include "sway/config.h" +#include "stringop.h" +#include "list.h" +#include "log.h" + +static void terminate_swaybar(pid_t pid) { + wlr_log(L_DEBUG, "Terminating swaybar %d", 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); + } +} + +void free_bar_config(struct bar_config *bar) { + if (!bar) { + return; + } + free(bar->mode); + free(bar->position); + free(bar->hidden_state); + free(bar->status_command); + free(bar->font); + free(bar->separator_symbol); + // TODO: Free mouse bindings + list_free(bar->bindings); + if (bar->outputs) { + free_flat_list(bar->outputs); + } + if (bar->pid != 0) { + terminate_swaybar(bar->pid); + } + free(bar->colors.background); + free(bar->colors.statusline); + free(bar->colors.separator); + free(bar->colors.focused_background); + free(bar->colors.focused_statusline); + free(bar->colors.focused_separator); + free(bar->colors.focused_workspace_border); + free(bar->colors.focused_workspace_bg); + free(bar->colors.focused_workspace_text); + free(bar->colors.active_workspace_border); + free(bar->colors.active_workspace_bg); + free(bar->colors.active_workspace_text); + free(bar->colors.inactive_workspace_border); + free(bar->colors.inactive_workspace_bg); + free(bar->colors.inactive_workspace_text); + free(bar->colors.urgent_workspace_border); + free(bar->colors.urgent_workspace_bg); + free(bar->colors.urgent_workspace_text); + free(bar->colors.binding_mode_border); + free(bar->colors.binding_mode_bg); + free(bar->colors.binding_mode_text); + free(bar); +} + +struct bar_config *default_bar_config(void) { + struct bar_config *bar = NULL; + bar = malloc(sizeof(struct bar_config)); + if (!bar) { + return NULL; + } + if (!(bar->mode = strdup("dock"))) goto cleanup; + if (!(bar->hidden_state = strdup("hide"))) goto cleanup; + bar->outputs = NULL; + bar->position = strdup("bottom"); + if (!(bar->bindings = create_list())) goto cleanup; + if (!(bar->status_command = strdup("while :; do date +'%Y-%m-%d %l:%M:%S %p'; sleep 1; done"))) goto cleanup; + bar->pango_markup = false; + bar->swaybar_command = NULL; + bar->font = NULL; + bar->height = -1; + bar->workspace_buttons = true; + bar->wrap_scroll = false; + bar->separator_symbol = NULL; + bar->strip_workspace_numbers = false; + bar->binding_mode_indicator = true; + bar->verbose = false; + bar->pid = 0; + // set default colors + if (!(bar->colors.background = strndup("#000000ff", 9))) { + goto cleanup; + } + if (!(bar->colors.statusline = strndup("#ffffffff", 9))) { + goto cleanup; + } + if (!(bar->colors.separator = strndup("#666666ff", 9))) { + goto cleanup; + } + if (!(bar->colors.focused_workspace_border = strndup("#4c7899ff", 9))) { + goto cleanup; + } + if (!(bar->colors.focused_workspace_bg = strndup("#285577ff", 9))) { + goto cleanup; + } + if (!(bar->colors.focused_workspace_text = strndup("#ffffffff", 9))) { + goto cleanup; + } + if (!(bar->colors.active_workspace_border = strndup("#333333ff", 9))) { + goto cleanup; + } + if (!(bar->colors.active_workspace_bg = strndup("#5f676aff", 9))) { + goto cleanup; + } + if (!(bar->colors.active_workspace_text = strndup("#ffffffff", 9))) { + goto cleanup; + } + if (!(bar->colors.inactive_workspace_border = strndup("#333333ff", 9))) { + goto cleanup; + } + if (!(bar->colors.inactive_workspace_bg = strndup("#222222ff", 9))) { + goto cleanup; + } + if (!(bar->colors.inactive_workspace_text = strndup("#888888ff", 9))) { + goto cleanup; + } + if (!(bar->colors.urgent_workspace_border = strndup("#2f343aff", 9))) { + goto cleanup; + } + if (!(bar->colors.urgent_workspace_bg = strndup("#900000ff", 9))) { + goto cleanup; + } + if (!(bar->colors.urgent_workspace_text = strndup("#ffffffff", 9))) { + goto cleanup; + } + // if the following colors stay undefined, they fall back to background, + // statusline, separator and urgent_workspace_*. + bar->colors.focused_background = NULL; + bar->colors.focused_statusline = NULL; + bar->colors.focused_separator = NULL; + bar->colors.binding_mode_border = NULL; + bar->colors.binding_mode_bg = NULL; + bar->colors.binding_mode_text = NULL; + + list_add(config->bars, bar); + return bar; +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); + } + wlr_log(L_DEBUG, "Spawned swaybar %d", bar->pid); + 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 bool active_output(const char *name) { + struct sway_container *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); + } + } +} |