diff --git a/include/config.h b/include/config.h index 9356140d..4bcf55e8 100644 --- a/include/config.h +++ b/include/config.h @@ -184,15 +184,27 @@ struct sway_config { bool smart_gaps; int gaps_inner; int gaps_outer; + + list_t *config_chain; + const char *current_config; }; /** - * Loads the config from the given path. + * Loads the main config from the given path. is_active should be true when + * reloading the config. */ -bool load_config(const char *file); -/** Reads the config from the given FILE. +bool load_main_config(const char *path, bool is_active); + +/** + * Loads an included config. Can only be used after load_main_config. */ -bool read_config(FILE *file, bool is_active); +bool load_include_configs(const char *path, struct sway_config *config); + +/** + * Reads the config from the given FILE. + */ +bool read_config(FILE *file, struct sway_config *config); + /** * Free config struct */ diff --git a/sway/commands.c b/sway/commands.c index 26fa771e..bc8c42eb 100644 --- a/sway/commands.c +++ b/sway/commands.c @@ -55,6 +55,7 @@ static sway_cmd cmd_font; static sway_cmd cmd_for_window; static sway_cmd cmd_fullscreen; static sway_cmd cmd_gaps; +static sway_cmd cmd_include; static sway_cmd cmd_input; static sway_cmd cmd_kill; static sway_cmd cmd_layout; @@ -1141,6 +1142,19 @@ static struct cmd_results *input_cmd_tap(int argc, char **argv) { return cmd_results_new(CMD_SUCCESS, NULL, NULL); } +static struct cmd_results *cmd_include(int argc, char **argv) { + struct cmd_results *error = NULL; + if ((error = checkarg(argc, "include", EXPECTED_EQUAL_TO, 1))) { + return error; + } + + if (!load_include_configs(argv[0], config)) { + return cmd_results_new(CMD_INVALID, "include", "Failed to include sub configuration file: %s", argv[0]); + } + + return cmd_results_new(CMD_SUCCESS, NULL, NULL); +} + static struct cmd_results *cmd_input(int argc, char **argv) { struct cmd_results *error = NULL; if ((error = checkarg(argc, "input", EXPECTED_AT_LEAST, 2))) { @@ -1541,7 +1555,7 @@ static struct cmd_results *cmd_reload(int argc, char **argv) { if ((error = checkarg(argc, "reload", EXPECTED_EQUAL_TO, 0))) { return error; } - if (!load_config(NULL)) return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config."); + if (!load_main_config(NULL, true)) return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config."); load_swaybars(); @@ -2053,6 +2067,7 @@ static struct cmd_handler handlers[] = { { "for_window", cmd_for_window }, { "fullscreen", cmd_fullscreen }, { "gaps", cmd_gaps }, + { "include", cmd_include }, { "input", cmd_input }, { "kill", cmd_kill }, { "layout", cmd_layout }, diff --git a/sway/config.c b/sway/config.c index a5fdf850..d54ce213 100644 --- a/sway/config.c +++ b/sway/config.c @@ -2,6 +2,7 @@ #include #include #include +#include #include #include #include @@ -126,6 +127,7 @@ void free_config(struct sway_config *config) { list_free(config->output_configs); list_free(config->active_bar_modifiers); + free_flat_list(config->config_chain); free(config->font); free(config); } @@ -175,6 +177,9 @@ static void config_defaults(struct sway_config *config) { config->gaps_outer = 0; config->active_bar_modifiers = create_list(); + + config->config_chain = create_list(); + config->current_config = NULL; } static int compare_modifiers(const void *left, const void *right) { @@ -237,16 +242,7 @@ static char *get_config_path(void) { return NULL; // Not reached } -bool load_config(const char *file) { - input_init(); - - char *path; - if (file != NULL) { - path = strdup(file); - } else { - path = get_config_path(); - } - +static bool load_config(const char *path, struct sway_config *config) { sway_log(L_INFO, "Loading config from %s", path); if (path == NULL) { @@ -257,20 +253,12 @@ bool load_config(const char *file) { FILE *f = fopen(path, "r"); if (!f) { sway_log(L_ERROR, "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); - } + bool config_load_success = read_config(f, config); fclose(f); - update_active_bar_modifiers(); if (!config_load_success) { sway_log(L_ERROR, "Error(s) loading config!"); @@ -279,17 +267,129 @@ bool load_config(const char *file) { return true; } -bool read_config(FILE *file, bool is_active) { +bool load_main_config(const char *file, bool is_active) { + input_init(); + + 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)); config_defaults(config); - config->reading = true; 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; + bool success = load_config(path, config); + + if (is_active) { + config->reloading = false; + } + + if (old_config) { + free_config(old_config); + } + config->reading = false; + + if (success) { + update_active_bar_modifiers(); + } + + return success; +} + +static bool load_include_config(const char *path, const char *parent_dir, struct sway_config *config) { + // save parent config + const char *parent_config = config->current_config; + + char *full_path = strdup(path); + int len = strlen(path); + if (len >= 1 && path[0] != '/') { + len = len + strlen(parent_dir) + 2; + full_path = malloc(len * sizeof(char)); + snprintf(full_path, len, "%s/%s", parent_dir, path); + } + + char *real_path = realpath(full_path, NULL); + free(full_path); + + // check if config has already been included + int j; + for (j = 0; j < config->config_chain->length; ++j) { + char *old_path = config->config_chain->items[j]; + if (strcmp(real_path, old_path) == 0) { + sway_log(L_DEBUG, "%s already included once, won't be included again.", real_path); + free(real_path); + return false; + } + } + + config->current_config = real_path; + list_add(config->config_chain, real_path); + int index = config->config_chain->length - 1; + + if (!load_config(real_path, config)) { + free(real_path); + config->current_config = parent_config; + list_del(config->config_chain, index); + return false; + } + + // restore current_config + config->current_config = parent_config; + return true; +} + +bool load_include_configs(const char *path, struct sway_config *config) { + char *wd = getcwd(NULL, 0); + char *parent_path = strdup(config->current_config); + const char *parent_dir = dirname(parent_path); + + if (chdir(parent_dir) < 0) { + free(parent_path); + free(wd); + return false; + } + + wordexp_t p; + + if (wordexp(path, &p, 0) < 0) { + free(parent_path); + free(wd); + return false; + } + + char **w = p.we_wordv; + size_t i; + for (i = 0; i < p.we_wordc; ++i) { + load_include_config(w[i], parent_dir, config); + } + free(parent_path); + wordfree(&p); + + // restore wd + if (chdir(wd) < 0) { + free(wd); + sway_log(L_ERROR, "failed to restore working directory"); + return false; + } + + free(wd); + return true; +} + +bool read_config(FILE *file, struct sway_config *config) { bool success = true; enum cmd_status block = CMD_BLOCK_END; @@ -386,15 +486,6 @@ bool read_config(FILE *file, bool is_active) { free(res); } - if (is_active) { - config->reloading = false; - arrange_windows(&root_container, -1, -1); - } - if (old_config) { - free_config(old_config); - } - - config->reading = false; return success; } diff --git a/sway/main.c b/sway/main.c index c4a5d497..4aaac556 100644 --- a/sway/main.c +++ b/sway/main.c @@ -206,11 +206,11 @@ int main(int argc, char **argv) { init_layout(); if (validate) { - bool valid = load_config(config_path); + bool valid = load_main_config(config_path, false); return valid ? 0 : 1; } - if (!load_config(config_path)) { + if (!load_main_config(config_path, false)) { sway_terminate(EXIT_FAILURE); }