#include #include #include #include #include "readline.h" #include "stringop.h" #include "list.h" #include "log.h" #include "commands.h" #include "config.h" struct sway_config *config; static bool exists(const char *path) { return access(path, R_OK) != -1; } static char* get_config_path() { char *name = "/.sway/config"; const char *home = getenv("HOME"); // Check home dir sway_log(L_DEBUG, "Trying to find config in ~/.sway/config"); char *temp = malloc(strlen(home) + strlen(name) + 1); strcpy(temp, home); strcat(temp, name); if (exists(temp)) { return temp; } // Check XDG_CONFIG_HOME with fallback to ~/.config/ sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_HOME/sway/config"); char *xdg_config_home = getenv("XDG_CONFIG_HOME"); if (xdg_config_home == NULL) { sway_log(L_DEBUG, "Falling back to ~/.config/sway/config"); name = "/.config/sway/config"; temp = malloc(strlen(home) + strlen(name) + 1); strcpy(temp, home); strcat(temp, name); } else { name = "/sway/config"; temp = malloc(strlen(xdg_config_home) + strlen(name) + 1); strcpy(temp, home); strcat(temp, name); } if (exists(temp)) { return temp; } // Check /etc/ sway_log(L_DEBUG, "Trying to find config in /etc/sway/config"); strcpy(temp, "/etc/sway/config"); if (exists(temp)) { return temp; } // Check XDG_CONFIG_DIRS sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_DIRS"); char *xdg_config_dirs = getenv("XDG_CONFIG_DIRS"); if (xdg_config_dirs != NULL) { list_t *paths = split_string(xdg_config_dirs, ":"); name = "/sway/config"; int i; for (i = 0; i < paths->length; i++ ) { temp = malloc(strlen(paths->items[i]) + strlen(name) + 1); strcpy(temp, paths->items[i]); strcat(temp, name); if (exists(temp)) { free_flat_list(paths); return temp; } } free_flat_list(paths); } //Now fall back to i3 paths and try the same thing name = "/.i3/config"; sway_log(L_DEBUG, "Trying to find config in ~/.i3/config"); temp = malloc(strlen(home) + strlen(name) + 1); strcpy(temp, home); strcat(temp, name); if (exists(temp)) { return temp; } sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_HOME/i3/config"); if (xdg_config_home == NULL) { sway_log(L_DEBUG, "Falling back to ~/.config/i3/config"); name = "/.config/i3/config"; temp = malloc(strlen(home) + strlen(name) + 1); strcpy(temp, home); strcat(temp, name); } else { name = "/i3/config"; temp = malloc(strlen(xdg_config_home) + strlen(name) + 1); strcpy(temp, home); strcat(temp, name); } if (exists(temp)) { return temp; } sway_log(L_DEBUG, "Trying to find config in /etc/i3/config"); strcpy(temp, "/etc/i3/config"); if (exists(temp)) { return temp; } sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_DIRS"); if (xdg_config_dirs != NULL) { list_t *paths = split_string(xdg_config_dirs, ":"); name = "/i3/config"; int i; for (i = 0; i < paths->length; i++ ) { temp = malloc(strlen(paths->items[i]) + strlen(name) + 1); strcpy(temp, paths->items[i]); strcat(temp, name); if (exists(temp)) { free_flat_list(paths); return temp; } } free_flat_list(paths); } return NULL; } bool load_config() { sway_log(L_INFO, "Loading config"); char *path = get_config_path(); if (path == NULL) { sway_log(L_ERROR, "Unable to find a config file!"); return false; } FILE *f = fopen(path, "r"); if (!f) { fprintf(stderr, "Unable to open %s for reading", path); free(path); return false; } free(path); bool config_load_success; if (config) { config_load_success = read_config(f, true); } else { config_load_success = read_config(f, false); } fclose(f); return config_load_success; } void config_defaults(struct sway_config *config) { config->symbols = create_list(); config->modes = create_list(); config->cmd_queue = create_list(); config->workspace_outputs = create_list(); config->current_mode = malloc(sizeof(struct sway_mode)); config->current_mode->name = NULL; config->current_mode->bindings = create_list(); list_add(config->modes, config->current_mode); // Flags config->focus_follows_mouse = true; config->mouse_warping = true; config->reloading = false; config->active = false; config->failed = false; } bool read_config(FILE *file, bool is_active) { struct sway_config *temp_config = malloc(sizeof(struct sway_config)); config_defaults(temp_config); if (is_active) { sway_log(L_DEBUG, "Performing configuration file reload"); temp_config->reloading = true; temp_config->active = true; } bool success = true; int temp_depth = 0; // Temporary: skip all config sections with depth while (!feof(file)) { char *line = read_line(file); strip_comments(line); strip_whitespace(line); if (!line[0]) { goto _continue; } if (temp_depth && line[0] == '}') { temp_depth--; goto _continue; } // Any command which would require wlc to be initialized // should be queued for later execution list_t *args = split_string(line, " "); if (!is_active && ( strcmp("exec", args->items[0]) == 0 || strcmp("exec_always", args->items[0]) == 0 )) { sway_log(L_DEBUG, "Deferring command %s", line); char *cmd = malloc(strlen(line) + 1); strcpy(cmd, line); list_add(temp_config->cmd_queue, cmd); } else if (!temp_depth && !handle_command(temp_config, line)) { sway_log(L_DEBUG, "Config load failed for line %s", line); success = false; temp_config->failed = true; } list_free(args); _continue: if (line && line[strlen(line) - 1] == '{') { temp_depth++; } free(line); } if (is_active) { temp_config->reloading = false; } config = temp_config; return success; } char *do_var_replacement(struct sway_config *config, char *str) { // TODO: Handle escaping $ and using $ in string literals int i; for (i = 0; str[i]; ++i) { if (str[i] == '$') { // Try for match (note: this could be faster) int j; for (j = 0; j < config->symbols->length; ++j) { struct sway_variable *var = config->symbols->items[j]; if (strstr(str + i, var->name) == str + i) { // Match, do replacement char *new_string = malloc( strlen(str) - strlen(var->name) + strlen(var->value) + 1); strncpy(new_string, str, i); new_string[i] = 0; strcat(new_string, var->value); strcat(new_string, str + i + strlen(var->name)); free(str); str = new_string; } } } } return str; }