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254 lines
6.5 KiB
254 lines
6.5 KiB
#define _POSIX_C_SOURCE 200809L
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <wordexp.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <strings.h>
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#include <signal.h>
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#include "sway/config.h"
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#include "sway/output.h"
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#include "config.h"
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#include "stringop.h"
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#include "list.h"
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#include "log.h"
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#include "util.h"
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static void terminate_swaybar(pid_t pid) {
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wlr_log(WLR_DEBUG, "Terminating swaybar %d", pid);
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int ret = kill(-pid, SIGTERM);
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if (ret != 0) {
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wlr_log_errno(WLR_ERROR, "Unable to terminate swaybar %d", pid);
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} else {
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int status;
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waitpid(pid, &status, 0);
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}
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}
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void free_bar_binding(struct bar_binding *binding) {
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if (!binding) {
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return;
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}
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free(binding->command);
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free(binding);
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}
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void free_bar_config(struct bar_config *bar) {
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if (!bar) {
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return;
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}
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free(bar->id);
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free(bar->mode);
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free(bar->position);
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free(bar->hidden_state);
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free(bar->status_command);
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free(bar->swaybar_command);
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free(bar->font);
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free(bar->separator_symbol);
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for (int i = 0; i < bar->bindings->length; i++) {
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free_bar_binding(bar->bindings->items[i]);
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}
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list_free(bar->bindings);
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list_free_items_and_destroy(bar->outputs);
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if (bar->pid != 0) {
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terminate_swaybar(bar->pid);
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}
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free(bar->colors.background);
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free(bar->colors.statusline);
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free(bar->colors.separator);
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free(bar->colors.focused_background);
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free(bar->colors.focused_statusline);
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free(bar->colors.focused_separator);
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free(bar->colors.focused_workspace_border);
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free(bar->colors.focused_workspace_bg);
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free(bar->colors.focused_workspace_text);
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free(bar->colors.active_workspace_border);
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free(bar->colors.active_workspace_bg);
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free(bar->colors.active_workspace_text);
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free(bar->colors.inactive_workspace_border);
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free(bar->colors.inactive_workspace_bg);
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free(bar->colors.inactive_workspace_text);
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free(bar->colors.urgent_workspace_border);
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free(bar->colors.urgent_workspace_bg);
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free(bar->colors.urgent_workspace_text);
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free(bar->colors.binding_mode_border);
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free(bar->colors.binding_mode_bg);
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free(bar->colors.binding_mode_text);
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#if HAVE_TRAY
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list_free_items_and_destroy(bar->tray_outputs);
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free(bar->icon_theme);
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#endif
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free(bar);
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}
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struct bar_config *default_bar_config(void) {
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struct bar_config *bar = NULL;
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bar = calloc(1, sizeof(struct bar_config));
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if (!bar) {
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return NULL;
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}
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bar->outputs = NULL;
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bar->position = strdup("bottom");
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bar->pango_markup = false;
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bar->swaybar_command = NULL;
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bar->font = NULL;
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bar->height = -1;
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bar->workspace_buttons = true;
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bar->wrap_scroll = false;
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bar->separator_symbol = NULL;
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bar->strip_workspace_numbers = false;
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bar->strip_workspace_name = false;
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bar->binding_mode_indicator = true;
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bar->verbose = false;
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bar->pid = 0;
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bar->modifier = get_modifier_mask_by_name("Mod4");
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bar->status_padding = 1;
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bar->status_edge_padding = 3;
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if (!(bar->mode = strdup("dock"))) {
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goto cleanup;
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}
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if (!(bar->hidden_state = strdup("hide"))) {
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goto cleanup;
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}
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if (!(bar->bindings = create_list())) {
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goto cleanup;
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}
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// set default colors
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if (!(bar->colors.background = strndup("#000000ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.statusline = strndup("#ffffffff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.separator = strndup("#666666ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.focused_workspace_border = strndup("#4c7899ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.focused_workspace_bg = strndup("#285577ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.focused_workspace_text = strndup("#ffffffff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.active_workspace_border = strndup("#333333ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.active_workspace_bg = strndup("#5f676aff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.active_workspace_text = strndup("#ffffffff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.inactive_workspace_border = strndup("#333333ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.inactive_workspace_bg = strndup("#222222ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.inactive_workspace_text = strndup("#888888ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.urgent_workspace_border = strndup("#2f343aff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.urgent_workspace_bg = strndup("#900000ff", 9))) {
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goto cleanup;
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}
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if (!(bar->colors.urgent_workspace_text = strndup("#ffffffff", 9))) {
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goto cleanup;
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}
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// if the following colors stay undefined, they fall back to background,
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// statusline, separator and urgent_workspace_*.
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bar->colors.focused_background = NULL;
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bar->colors.focused_statusline = NULL;
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bar->colors.focused_separator = NULL;
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bar->colors.binding_mode_border = NULL;
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bar->colors.binding_mode_bg = NULL;
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bar->colors.binding_mode_text = NULL;
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#if HAVE_TRAY
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bar->tray_padding = 2;
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#endif
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list_add(config->bars, bar);
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return bar;
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cleanup:
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free_bar_config(bar);
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return NULL;
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}
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static void invoke_swaybar(struct bar_config *bar) {
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// Pipe to communicate errors
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int filedes[2];
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if (pipe(filedes) == -1) {
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wlr_log(WLR_ERROR, "Pipe setup failed! Cannot fork into bar");
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return;
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}
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bar->pid = fork();
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if (bar->pid == 0) {
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setpgid(0, 0);
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close(filedes[0]);
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sigset_t set;
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sigemptyset(&set);
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sigprocmask(SIG_SETMASK, &set, NULL);
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// run custom swaybar
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size_t len = snprintf(NULL, 0, "%s -b %s",
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bar->swaybar_command ? bar->swaybar_command : "swaybar",
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bar->id);
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char *command = malloc(len + 1);
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if (!command) {
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const char msg[] = "Unable to allocate swaybar command string";
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size_t msg_len = sizeof(msg);
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if (write(filedes[1], &msg_len, sizeof(size_t))) {};
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if (write(filedes[1], msg, msg_len)) {};
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close(filedes[1]);
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exit(1);
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}
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snprintf(command, len + 1, "%s -b %s",
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bar->swaybar_command ? bar->swaybar_command : "swaybar",
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bar->id);
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char *const cmd[] = { "sh", "-c", command, NULL, };
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close(filedes[1]);
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execvp(cmd[0], cmd);
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exit(1);
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}
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wlr_log(WLR_DEBUG, "Spawned swaybar %d", bar->pid);
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close(filedes[0]);
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size_t len;
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if (read(filedes[1], &len, sizeof(size_t)) == sizeof(size_t)) {
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char *buf = malloc(len);
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if(!buf) {
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wlr_log(WLR_ERROR, "Cannot allocate error string");
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return;
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}
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if (read(filedes[1], buf, len)) {
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wlr_log(WLR_ERROR, "%s", buf);
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}
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free(buf);
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}
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close(filedes[1]);
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}
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void load_swaybar(struct bar_config *bar) {
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if (bar->pid != 0) {
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terminate_swaybar(bar->pid);
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}
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wlr_log(WLR_DEBUG, "Invoking swaybar for bar id '%s'", bar->id);
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invoke_swaybar(bar);
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}
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void load_swaybars(void) {
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for (int i = 0; i < config->bars->length; ++i) {
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struct bar_config *bar = config->bars->items[i];
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load_swaybar(bar);
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}
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}
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