diff options
Diffstat (limited to 'sway/config.c')
| -rw-r--r-- | sway/config.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/sway/config.c b/sway/config.c new file mode 100644 index 00000000..475e8b04 --- /dev/null +++ b/sway/config.c @@ -0,0 +1,504 @@ +#define _POSIX_C_SOURCE 200809L +#define _XOPEN_SOURCE 700 +#include <stdio.h> +#include <stdbool.h> +#include <stdlib.h> +#include <unistd.h> +#include <libgen.h> +#include <wordexp.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include <signal.h> +#include <libinput.h> +#include <limits.h> +#include <float.h> +#include <dirent.h> +#include <strings.h> +#ifdef __linux__ +#include <linux/input-event-codes.h> +#elif __FreeBSD__ +#include <dev/evdev/input-event-codes.h> +#endif +#include <wlr/types/wlr_output.h> +#include "sway/commands.h" +#include "sway/config.h" +#include "sway/layout.h" +#include "readline.h" +#include "stringop.h" +#include "list.h" +#include "log.h" + +struct sway_config *config = NULL; + +void free_config(struct sway_config *config) { + // TODO +} + +static void config_defaults(struct sway_config *config) { + if (!(config->symbols = create_list())) goto cleanup; + if (!(config->modes = create_list())) goto cleanup; + if (!(config->bars = create_list())) goto cleanup; + if (!(config->workspace_outputs = create_list())) goto cleanup; + if (!(config->pid_workspaces = create_list())) goto cleanup; + if (!(config->criteria = create_list())) goto cleanup; + if (!(config->no_focus = create_list())) goto cleanup; + if (!(config->input_configs = create_list())) goto cleanup; + if (!(config->output_configs = create_list())) goto cleanup; + + if (!(config->cmd_queue = create_list())) goto cleanup; + + if (!(config->current_mode = malloc(sizeof(struct sway_mode)))) goto cleanup; + if (!(config->current_mode->name = malloc(sizeof("default")))) goto cleanup; + strcpy(config->current_mode->name, "default"); + if (!(config->current_mode->bindings = create_list())) goto cleanup; + list_add(config->modes, config->current_mode); + + config->floating_mod = 0; + config->dragging_key = BTN_LEFT; + config->resizing_key = BTN_RIGHT; + if (!(config->floating_scroll_up_cmd = strdup(""))) goto cleanup; + if (!(config->floating_scroll_down_cmd = strdup(""))) goto cleanup; + if (!(config->floating_scroll_left_cmd = strdup(""))) goto cleanup; + if (!(config->floating_scroll_right_cmd = strdup(""))) goto cleanup; + config->default_layout = L_NONE; + config->default_orientation = L_NONE; + if (!(config->font = strdup("monospace 10"))) goto cleanup; + // TODO: border + //config->font_height = get_font_text_height(config->font); + + // floating view + config->floating_maximum_width = 0; + config->floating_maximum_height = 0; + config->floating_minimum_width = 75; + config->floating_minimum_height = 50; + + // Flags + config->focus_follows_mouse = true; + config->mouse_warping = true; + config->reloading = false; + config->active = false; + config->failed = false; + config->auto_back_and_forth = false; + config->seamless_mouse = true; + config->reading = false; + config->show_marks = true; + + config->edge_gaps = true; + config->smart_gaps = false; + config->gaps_inner = 0; + config->gaps_outer = 0; + + if (!(config->active_bar_modifiers = create_list())) goto cleanup; + + if (!(config->config_chain = create_list())) goto cleanup; + config->current_config = NULL; + + // borders + config->border = B_NORMAL; + config->floating_border = B_NORMAL; + config->border_thickness = 2; + config->floating_border_thickness = 2; + config->hide_edge_borders = E_NONE; + + // border colors + config->border_colors.focused.border = 0x4C7899FF; + config->border_colors.focused.background = 0x285577FF; + config->border_colors.focused.text = 0xFFFFFFFF; + config->border_colors.focused.indicator = 0x2E9EF4FF; + config->border_colors.focused.child_border = 0x285577FF; + + config->border_colors.focused_inactive.border = 0x333333FF; + config->border_colors.focused_inactive.background = 0x5F676AFF; + config->border_colors.focused_inactive.text = 0xFFFFFFFF; + config->border_colors.focused_inactive.indicator = 0x484E50FF; + config->border_colors.focused_inactive.child_border = 0x5F676AFF; + + config->border_colors.unfocused.border = 0x333333FF; + config->border_colors.unfocused.background = 0x222222FF; + config->border_colors.unfocused.text = 0x888888FF; + config->border_colors.unfocused.indicator = 0x292D2EFF; + config->border_colors.unfocused.child_border = 0x222222FF; + + config->border_colors.urgent.border = 0x2F343AFF; + config->border_colors.urgent.background = 0x900000FF; + config->border_colors.urgent.text = 0xFFFFFFFF; + config->border_colors.urgent.indicator = 0x900000FF; + config->border_colors.urgent.child_border = 0x900000FF; + + config->border_colors.placeholder.border = 0x000000FF; + config->border_colors.placeholder.background = 0x0C0C0CFF; + config->border_colors.placeholder.text = 0xFFFFFFFF; + config->border_colors.placeholder.indicator = 0x000000FF; + config->border_colors.placeholder.child_border = 0x0C0C0CFF; + + config->border_colors.background = 0xFFFFFFFF; + + // Security + if (!(config->command_policies = create_list())) goto cleanup; + if (!(config->feature_policies = create_list())) goto cleanup; + if (!(config->ipc_policies = create_list())) goto cleanup; + + return; +cleanup: + sway_abort("Unable to allocate config structures"); +} + +static bool file_exists(const char *path) { + return path && access(path, R_OK) != -1; +} + +static char *get_config_path(void) { + static const char *config_paths[] = { + "$HOME/.sway/config", + "$XDG_CONFIG_HOME/sway/config", + "$HOME/.i3/config", + "$XDG_CONFIG_HOME/i3/config", + SYSCONFDIR "/sway/config", + SYSCONFDIR "/i3/config", + }; + + if (!getenv("XDG_CONFIG_HOME")) { + char *home = getenv("HOME"); + char *config_home = malloc(strlen(home) + strlen("/.config") + 1); + if (!config_home) { + sway_log(L_ERROR, "Unable to allocate $HOME/.config"); + } else { + strcpy(config_home, home); + strcat(config_home, "/.config"); + setenv("XDG_CONFIG_HOME", config_home, 1); + sway_log(L_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home); + free(config_home); + } + } + + wordexp_t p; + char *path; + + int i; + for (i = 0; i < (int)(sizeof(config_paths) / sizeof(char *)); ++i) { + if (wordexp(config_paths[i], &p, 0) == 0) { + path = strdup(p.we_wordv[0]); + wordfree(&p); + if (file_exists(path)) { + return path; + } + } + } + + return NULL; // Not reached +} + +const char *current_config_path; + +static bool load_config(const char *path, struct sway_config *config) { + sway_log(L_INFO, "Loading config from %s", path); + current_config_path = path; + + struct stat sb; + if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) { + return false; + } + + if (path == NULL) { + sway_log(L_ERROR, "Unable to find a config file!"); + return false; + } + + FILE *f = fopen(path, "r"); + if (!f) { + sway_log(L_ERROR, "Unable to open %s for reading", path); + return false; + } + + bool config_load_success = read_config(f, config); + fclose(f); + + if (!config_load_success) { + sway_log(L_ERROR, "Error(s) loading config!"); + } + + current_config_path = NULL; + return true; +} + +static int qstrcmp(const void* a, const void* b) { + return strcmp(*((char**) a), *((char**) b)); +} + +bool load_main_config(const char *file, bool is_active) { + char *path; + if (file != NULL) { + path = strdup(file); + } else { + path = get_config_path(); + } + + struct sway_config *old_config = config; + config = calloc(1, sizeof(struct sway_config)); + if (!config) { + sway_abort("Unable to allocate config"); + } + + config_defaults(config); + if (is_active) { + sway_log(L_DEBUG, "Performing configuration file reload"); + config->reloading = true; + config->active = true; + } + + config->current_config = path; + list_add(config->config_chain, path); + + config->reading = true; + + // Read security configs + bool success = true; + DIR *dir = opendir(SYSCONFDIR "/sway/security.d"); + if (!dir) { + sway_log(L_ERROR, "%s does not exist, sway will have no security configuration" + " and will probably be broken", SYSCONFDIR "/sway/security.d"); + } else { + list_t *secconfigs = create_list(); + char *base = SYSCONFDIR "/sway/security.d/"; + struct dirent *ent = readdir(dir); + struct stat s; + while (ent != NULL) { + char *_path = malloc(strlen(ent->d_name) + strlen(base) + 1); + strcpy(_path, base); + strcat(_path, ent->d_name); + lstat(_path, &s); + if (S_ISREG(s.st_mode) && ent->d_name[0] != '.') { + list_add(secconfigs, _path); + } + else { + free(_path); + } + ent = readdir(dir); + } + closedir(dir); + + list_qsort(secconfigs, qstrcmp); + for (int i = 0; i < secconfigs->length; ++i) { + char *_path = secconfigs->items[i]; + if (stat(_path, &s) || s.st_uid != 0 || s.st_gid != 0 || (((s.st_mode & 0777) != 0644) && (s.st_mode & 0777) != 0444)) { + sway_log(L_ERROR, "Refusing to load %s - it must be owned by root and mode 644 or 444", _path); + success = false; + } else { + success = success && load_config(_path, config); + } + } + + free_flat_list(secconfigs); + } + + success = success && load_config(path, config); + + if (is_active) { + config->reloading = false; + } + + if (old_config) { + free_config(old_config); + } + config->reading = false; + + if (success) { + // TODO: bar + //update_active_bar_modifiers(); + } + + return success; +} + +bool read_config(FILE *file, struct sway_config *config) { + bool success = true; + enum cmd_status block = CMD_BLOCK_END; + + int line_number = 0; + char *line; + while (!feof(file)) { + line = read_line(file); + if (!line) { + continue; + } + line_number++; + line = strip_whitespace(line); + if (line[0] == '#') { + free(line); + continue; + } + struct cmd_results *res; + if (block == CMD_BLOCK_COMMANDS) { + // Special case + res = config_commands_command(line); + } else { + res = config_command(line, block); + } + switch(res->status) { + case CMD_FAILURE: + case CMD_INVALID: + sway_log(L_ERROR, "Error on line %i '%s': %s (%s)", line_number, line, + res->error, config->current_config); + success = false; + break; + + case CMD_DEFER: + sway_log(L_DEBUG, "Defferring command `%s'", line); + list_add(config->cmd_queue, strdup(line)); + break; + + case CMD_BLOCK_MODE: + if (block == CMD_BLOCK_END) { + block = CMD_BLOCK_MODE; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_INPUT: + if (block == CMD_BLOCK_END) { + block = CMD_BLOCK_INPUT; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_BAR: + if (block == CMD_BLOCK_END) { + block = CMD_BLOCK_BAR; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_BAR_COLORS: + if (block == CMD_BLOCK_BAR) { + block = CMD_BLOCK_BAR_COLORS; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_COMMANDS: + if (block == CMD_BLOCK_END) { + block = CMD_BLOCK_COMMANDS; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_IPC: + if (block == CMD_BLOCK_END) { + block = CMD_BLOCK_IPC; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_IPC_EVENTS: + if (block == CMD_BLOCK_IPC) { + block = CMD_BLOCK_IPC_EVENTS; + } else { + sway_log(L_ERROR, "Invalid block '%s'", line); + } + break; + + case CMD_BLOCK_END: + switch(block) { + case CMD_BLOCK_MODE: + sway_log(L_DEBUG, "End of mode block"); + config->current_mode = config->modes->items[0]; + block = CMD_BLOCK_END; + break; + + case CMD_BLOCK_INPUT: + sway_log(L_DEBUG, "End of input block"); + // TODO: input + //current_input_config = NULL; + block = CMD_BLOCK_END; + break; + + case CMD_BLOCK_BAR: + sway_log(L_DEBUG, "End of bar block"); + config->current_bar = NULL; + block = CMD_BLOCK_END; + break; + + case CMD_BLOCK_BAR_COLORS: + sway_log(L_DEBUG, "End of bar colors block"); + block = CMD_BLOCK_BAR; + break; + + case CMD_BLOCK_COMMANDS: + sway_log(L_DEBUG, "End of commands block"); + block = CMD_BLOCK_END; + break; + + case CMD_BLOCK_IPC: + sway_log(L_DEBUG, "End of IPC block"); + block = CMD_BLOCK_END; + break; + + case CMD_BLOCK_IPC_EVENTS: + sway_log(L_DEBUG, "End of IPC events block"); + block = CMD_BLOCK_IPC; + break; + + case CMD_BLOCK_END: + sway_log(L_ERROR, "Unmatched }"); + break; + + default:; + } + default:; + } + free(line); + free_cmd_results(res); + } + + return success; +} + +char *do_var_replacement(char *str) { + int i; + char *find = str; + while ((find = strchr(find, '$'))) { + // Skip if escaped. + if (find > str && find[-1] == '\\') { + if (find == str + 1 || !(find > str + 1 && find[-2] == '\\')) { + ++find; + continue; + } + } + // Find matching variable + for (i = 0; i < config->symbols->length; ++i) { + struct sway_variable *var = config->symbols->items[i]; + int vnlen = strlen(var->name); + if (strncmp(find, var->name, vnlen) == 0) { + int vvlen = strlen(var->value); + char *newstr = malloc(strlen(str) - vnlen + vvlen + 1); + if (!newstr) { + sway_log(L_ERROR, + "Unable to allocate replacement during variable expansion"); + break; + } + char *newptr = newstr; + int offset = find - str; + strncpy(newptr, str, offset); + newptr += offset; + strncpy(newptr, var->value, vvlen); + newptr += vvlen; + strcpy(newptr, find + vnlen); + free(str); + str = newstr; + find = str + offset + vvlen; + break; + } + } + if (i == config->symbols->length) { + ++find; + } + } + return str; +} |