%{ /* * vim:ts=4:sw=4:expandtab * */ #include #include #include #include #include #include "all.h" static pid_t configerror_pid = -1; static Match current_match; static Barconfig current_bar; /* The pattern which was specified by the user, for example -misc-fixed-*. We * store this in a separate variable because in the i3 config struct we just * store the i3Font. */ static char *font_pattern; typedef struct yy_buffer_state *YY_BUFFER_STATE; extern int yylex(struct context *context); extern int yyparse(void); extern int yylex_destroy(void); extern FILE *yyin; YY_BUFFER_STATE yy_scan_string(const char *); static struct bindings_head *current_bindings; static struct context *context; /* We don’t need yydebug for now, as we got decent error messages using * yyerror(). Should you ever want to extend the parser, it might be handy * to just comment it in again, so it stays here. */ //int yydebug = 1; void yyerror(const char *error_message) { context->has_errors = true; ELOG("\n"); ELOG("CONFIG: %s\n", error_message); ELOG("CONFIG: in file \"%s\", line %d:\n", context->filename, context->line_number); ELOG("CONFIG: %s\n", context->line_copy); char buffer[context->last_column+1]; buffer[context->last_column] = '\0'; for (int c = 1; c <= context->last_column; c++) buffer[c-1] = (c >= context->first_column ? '^' : ' '); ELOG("CONFIG: %s\n", buffer); ELOG("\n"); } int yywrap() { return 1; } /* * Goes through each line of buf (separated by \n) and checks for statements / * commands which only occur in i3 v4 configuration files. If it finds any, it * returns version 4, otherwise it returns version 3. * */ static int detect_version(char *buf) { char *walk = buf; char *line = buf; while (*walk != '\0') { if (*walk != '\n') { walk++; continue; } /* check for some v4-only statements */ if (strncasecmp(line, "bindcode", strlen("bindcode")) == 0 || strncasecmp(line, "force_focus_wrapping", strlen("force_focus_wrapping")) == 0 || strncasecmp(line, "# i3 config file (v4)", strlen("# i3 config file (v4)")) == 0 || strncasecmp(line, "workspace_layout", strlen("workspace_layout")) == 0) { printf("deciding for version 4 due to this line: %.*s\n", (int)(walk-line), line); return 4; } /* if this is a bind statement, we can check the command */ if (strncasecmp(line, "bind", strlen("bind")) == 0) { char *bind = strchr(line, ' '); if (bind == NULL) goto next; while ((*bind == ' ' || *bind == '\t') && *bind != '\0') bind++; if (*bind == '\0') goto next; if ((bind = strchr(bind, ' ')) == NULL) goto next; while ((*bind == ' ' || *bind == '\t') && *bind != '\0') bind++; if (*bind == '\0') goto next; if (strncasecmp(bind, "layout", strlen("layout")) == 0 || strncasecmp(bind, "floating", strlen("floating")) == 0 || strncasecmp(bind, "workspace", strlen("workspace")) == 0 || strncasecmp(bind, "focus left", strlen("focus left")) == 0 || strncasecmp(bind, "focus right", strlen("focus right")) == 0 || strncasecmp(bind, "focus up", strlen("focus up")) == 0 || strncasecmp(bind, "focus down", strlen("focus down")) == 0 || strncasecmp(bind, "border normal", strlen("border normal")) == 0 || strncasecmp(bind, "border 1pixel", strlen("border 1pixel")) == 0 || strncasecmp(bind, "border borderless", strlen("border borderless")) == 0) { printf("deciding for version 4 due to this line: %.*s\n", (int)(walk-line), line); return 4; } } next: /* advance to the next line */ walk++; line = walk; } return 3; } /* * Calls i3-migrate-config-to-v4 to migrate a configuration file (input * buffer). * * Returns the converted config file or NULL if there was an error (for * example the script could not be found in $PATH or the i3 executable’s * directory). * */ static char *migrate_config(char *input, off_t size) { int writepipe[2]; int readpipe[2]; if (pipe(writepipe) != 0 || pipe(readpipe) != 0) { warn("migrate_config: Could not create pipes"); return NULL; } pid_t pid = fork(); if (pid == -1) { warn("Could not fork()"); return NULL; } /* child */ if (pid == 0) { /* close writing end of writepipe, connect reading side to stdin */ close(writepipe[1]); dup2(writepipe[0], 0); /* close reading end of readpipe, connect writing side to stdout */ close(readpipe[0]); dup2(readpipe[1], 1); static char *argv[] = { NULL, /* will be replaced by the executable path */ NULL }; exec_i3_utility("i3-migrate-config-to-v4", argv); } /* parent */ /* close reading end of the writepipe (connected to the script’s stdin) */ close(writepipe[0]); /* write the whole config file to the pipe, the script will read everything * immediately */ int written = 0; int ret; while (written < size) { if ((ret = write(writepipe[1], input + written, size - written)) < 0) { warn("Could not write to pipe"); return NULL; } written += ret; } close(writepipe[1]); /* close writing end of the readpipe (connected to the script’s stdout) */ close(readpipe[1]); /* read the script’s output */ int conv_size = 65535; char *converted = malloc(conv_size); int read_bytes = 0; do { if (read_bytes == conv_size) { conv_size += 65535; converted = realloc(converted, conv_size); } ret = read(readpipe[0], converted + read_bytes, conv_size - read_bytes); if (ret == -1) { warn("Cannot read from pipe"); FREE(converted); return NULL; } read_bytes += ret; } while (ret > 0); /* get the returncode */ int status; wait(&status); if (!WIFEXITED(status)) { fprintf(stderr, "Child did not terminate normally, using old config file (will lead to broken behaviour)\n"); return NULL; } int returncode = WEXITSTATUS(status); if (returncode != 0) { fprintf(stderr, "Migration process exit code was != 0\n"); if (returncode == 2) { fprintf(stderr, "could not start the migration script\n"); /* TODO: script was not found. tell the user to fix his system or create a v4 config */ } else if (returncode == 1) { fprintf(stderr, "This already was a v4 config. Please add the following line to your config file:\n"); fprintf(stderr, "# i3 config file (v4)\n"); /* TODO: nag the user with a message to include a hint for i3 in his config file */ } return NULL; } return converted; } /* * Handler which will be called when we get a SIGCHLD for the nagbar, meaning * it exited (or could not be started, depending on the exit code). * */ static void nagbar_exited(EV_P_ ev_child *watcher, int revents) { ev_child_stop(EV_A_ watcher); if (!WIFEXITED(watcher->rstatus)) { fprintf(stderr, "ERROR: i3-nagbar did not exit normally.\n"); return; } int exitcode = WEXITSTATUS(watcher->rstatus); printf("i3-nagbar process exited with status %d\n", exitcode); if (exitcode == 2) { fprintf(stderr, "ERROR: i3-nagbar could not be found. Is it correctly installed on your system?\n"); } configerror_pid = -1; } /* We need ev >= 4 for the following code. Since it is not *that* important (it * only makes sure that there are no i3-nagbar instances left behind) we still * support old systems with libev 3. */ #if EV_VERSION_MAJOR >= 4 /* * Cleanup handler. Will be called when i3 exits. Kills i3-nagbar with signal * SIGKILL (9) to make sure there are no left-over i3-nagbar processes. * */ static void nagbar_cleanup(EV_P_ ev_cleanup *watcher, int revent) { if (configerror_pid != -1) { LOG("Sending SIGKILL (9) to i3-nagbar with PID %d\n", configerror_pid); kill(configerror_pid, SIGKILL); } } #endif /* * Starts an i3-nagbar process which alerts the user that his configuration * file contains one or more errors. Also offers two buttons: One to launch an * $EDITOR on the config file and another one to launch a $PAGER on the error * logfile. * */ static void start_configerror_nagbar(const char *config_path) { if (only_check_config) return; fprintf(stderr, "Starting i3-nagbar due to configuration errors\n"); configerror_pid = fork(); if (configerror_pid == -1) { warn("Could not fork()"); return; } /* child */ if (configerror_pid == 0) { char *editaction, *pageraction; sasprintf(&editaction, "i3-sensible-terminal -e sh -c \"i3-sensible-editor \\\"%s\\\" && i3-msg reload\"", config_path); sasprintf(&pageraction, "i3-sensible-terminal -e i3-sensible-pager \"%s\"", errorfilename); char *argv[] = { NULL, /* will be replaced by the executable path */ "-t", (context->has_errors ? "error" : "warning"), "-m", (context->has_errors ? "You have an error in your i3 config file!" : "Your config is outdated. Please fix the warnings to make sure everything works."), "-b", "edit config", editaction, (errorfilename ? "-b" : NULL), (context->has_errors ? "show errors" : "show warnings"), pageraction, NULL }; exec_i3_utility("i3-nagbar", argv); } /* parent */ /* install a child watcher */ ev_child *child = smalloc(sizeof(ev_child)); ev_child_init(child, &nagbar_exited, configerror_pid, 0); ev_child_start(main_loop, child); /* We need ev >= 4 for the following code. Since it is not *that* important (it * only makes sure that there are no i3-nagbar instances left behind) we still * support old systems with libev 3. */ #if EV_VERSION_MAJOR >= 4 /* install a cleanup watcher (will be called when i3 exits and i3-nagbar is * still running) */ ev_cleanup *cleanup = smalloc(sizeof(ev_cleanup)); ev_cleanup_init(cleanup, nagbar_cleanup); ev_cleanup_start(main_loop, cleanup); #endif } /* * Kills the configerror i3-nagbar process, if any. * * Called when reloading/restarting. * * If wait_for_it is set (restarting), this function will waitpid(), otherwise, * ev is assumed to handle it (reloading). * */ void kill_configerror_nagbar(bool wait_for_it) { if (configerror_pid == -1) return; if (kill(configerror_pid, SIGTERM) == -1) warn("kill(configerror_nagbar) failed"); if (!wait_for_it) return; /* When restarting, we don’t enter the ev main loop anymore and after the * exec(), our old pid is no longer watched. So, ev won’t handle SIGCHLD * for us and we would end up with a process. Therefore we * waitpid() here. */ waitpid(configerror_pid, NULL, 0); } /* * Checks for duplicate key bindings (the same keycode or keysym is configured * more than once). If a duplicate binding is found, a message is printed to * stderr and the has_errors variable is set to true, which will start * i3-nagbar. * */ static void check_for_duplicate_bindings(struct context *context) { Binding *bind, *current; TAILQ_FOREACH(current, bindings, bindings) { TAILQ_FOREACH(bind, bindings, bindings) { /* Abort when we reach the current keybinding, only check the * bindings before */ if (bind == current) break; /* Check if one is using keysym while the other is using bindsym. * If so, skip. */ /* XXX: It should be checked at a later place (when translating the * keysym to keycodes) if there are any duplicates */ if ((bind->symbol == NULL && current->symbol != NULL) || (bind->symbol != NULL && current->symbol == NULL)) continue; /* If bind is NULL, current has to be NULL, too (see above). * If the keycodes differ, it can't be a duplicate. */ if (bind->symbol != NULL && strcasecmp(bind->symbol, current->symbol) != 0) continue; /* Check if the keycodes or modifiers are different. If so, they * can't be duplicate */ if (bind->keycode != current->keycode || bind->mods != current->mods) continue; context->has_errors = true; if (current->keycode != 0) { ELOG("Duplicate keybinding in config file:\n modmask %d with keycode %d, command \"%s\"\n", current->mods, current->keycode, current->command); } else { ELOG("Duplicate keybinding in config file:\n modmask %d with keysym %s, command \"%s\"\n", current->mods, current->symbol, current->command); } } } } static void migrate_i3bar_exec(struct Autostart *exec) { ELOG("**********************************************************************\n"); ELOG("IGNORING exec command: %s\n", exec->command); ELOG("It contains \"i3bar\". Since i3 v4.1, i3bar will be automatically started\n"); ELOG("for each 'bar' configuration block in your i3 config. Please remove the exec\n"); ELOG("line and add the following to your i3 config:\n"); ELOG("\n"); ELOG(" bar {\n"); ELOG(" status_command i3status\n"); ELOG(" }\n"); ELOG("**********************************************************************\n"); /* Generate a dummy bar configuration */ Barconfig *bar_config = scalloc(sizeof(Barconfig)); /* The hard-coded ID is not a problem. It does not conflict with the * auto-generated bar IDs and having multiple hard-coded IDs is irrelevant * – they all just contain status_command = i3status */ bar_config->id = sstrdup("migrate-bar"); bar_config->status_command = sstrdup("i3status"); TAILQ_INSERT_TAIL(&barconfigs, bar_config, configs); /* Trigger an i3-nagbar */ context->has_warnings = true; } void parse_file(const char *f) { SLIST_HEAD(variables_head, Variable) variables = SLIST_HEAD_INITIALIZER(&variables); int fd, ret, read_bytes = 0; struct stat stbuf; char *buf; FILE *fstr; char buffer[1026], key[512], value[512]; if ((fd = open(f, O_RDONLY)) == -1) die("Could not open configuration file: %s\n", strerror(errno)); if (fstat(fd, &stbuf) == -1) die("Could not fstat file: %s\n", strerror(errno)); buf = scalloc((stbuf.st_size + 1) * sizeof(char)); while (read_bytes < stbuf.st_size) { if ((ret = read(fd, buf + read_bytes, (stbuf.st_size - read_bytes))) < 0) die("Could not read(): %s\n", strerror(errno)); read_bytes += ret; } if (lseek(fd, 0, SEEK_SET) == (off_t)-1) die("Could not lseek: %s\n", strerror(errno)); if ((fstr = fdopen(fd, "r")) == NULL) die("Could not fdopen: %s\n", strerror(errno)); while (!feof(fstr)) { if (fgets(buffer, 1024, fstr) == NULL) { if (feof(fstr)) break; die("Could not read configuration file\n"); } /* sscanf implicitly strips whitespace. Also, we skip comments and empty lines. */ if (sscanf(buffer, "%s %[^\n]", key, value) < 1 || key[0] == '#' || strlen(key) < 3) continue; if (strcasecmp(key, "set") == 0) { if (value[0] != '$') { ELOG("Malformed variable assignment, name has to start with $\n"); continue; } /* get key/value for this variable */ char *v_key = value, *v_value; if (strstr(value, " ") == NULL && strstr(value, "\t") == NULL) { ELOG("Malformed variable assignment, need a value\n"); continue; } if (!(v_value = strstr(value, " "))) v_value = strstr(value, "\t"); *(v_value++) = '\0'; struct Variable *new = scalloc(sizeof(struct Variable)); new->key = sstrdup(v_key); new->value = sstrdup(v_value); SLIST_INSERT_HEAD(&variables, new, variables); DLOG("Got new variable %s = %s\n", v_key, v_value); continue; } } fclose(fstr); /* For every custom variable, see how often it occurs in the file and * how much extra bytes it requires when replaced. */ struct Variable *current, *nearest; int extra_bytes = 0; /* We need to copy the buffer because we need to invalidate the * variables (otherwise we will count them twice, which is bad when * 'extra' is negative) */ char *bufcopy = sstrdup(buf); SLIST_FOREACH(current, &variables, variables) { int extra = (strlen(current->value) - strlen(current->key)); char *next; for (next = bufcopy; next < (bufcopy + stbuf.st_size) && (next = strcasestr(next, current->key)) != NULL; next += strlen(current->key)) { *next = '_'; extra_bytes += extra; } } FREE(bufcopy); /* Then, allocate a new buffer and copy the file over to the new one, * but replace occurences of our variables */ char *walk = buf, *destwalk; char *new = smalloc((stbuf.st_size + extra_bytes + 1) * sizeof(char)); destwalk = new; while (walk < (buf + stbuf.st_size)) { /* Find the next variable */ SLIST_FOREACH(current, &variables, variables) current->next_match = strcasestr(walk, current->key); nearest = NULL; int distance = stbuf.st_size; SLIST_FOREACH(current, &variables, variables) { if (current->next_match == NULL) continue; if ((current->next_match - walk) < distance) { distance = (current->next_match - walk); nearest = current; } } if (nearest == NULL) { /* If there are no more variables, we just copy the rest */ strncpy(destwalk, walk, (buf + stbuf.st_size) - walk); destwalk += (buf + stbuf.st_size) - walk; *destwalk = '\0'; break; } else { /* Copy until the next variable, then copy its value */ strncpy(destwalk, walk, distance); strncpy(destwalk + distance, nearest->value, strlen(nearest->value)); walk += distance + strlen(nearest->key); destwalk += distance + strlen(nearest->value); } } /* analyze the string to find out whether this is an old config file (3.x) * or a new config file (4.x). If it’s old, we run the converter script. */ int version = detect_version(buf); if (version == 3) { /* We need to convert this v3 configuration */ char *converted = migrate_config(new, stbuf.st_size); if (converted != NULL) { printf("\n"); printf("****************************************************************\n"); printf("NOTE: Automatically converted configuration file from v3 to v4.\n"); printf("\n"); printf("Please convert your config file to v4. You can use this command:\n"); printf(" mv %s %s.O\n", f, f); printf(" i3-migrate-config-to-v4 %s.O > %s\n", f, f); printf("****************************************************************\n"); printf("\n"); free(new); new = converted; } else { printf("\n"); printf("**********************************************************************\n"); printf("ERROR: Could not convert config file. Maybe i3-migrate-config-to-v4\n"); printf("was not correctly installed on your system?\n"); printf("**********************************************************************\n"); printf("\n"); } } /* now lex/parse it */ yy_scan_string(new); context = scalloc(sizeof(struct context)); context->filename = f; if (yyparse() != 0) { fprintf(stderr, "Could not parse configfile\n"); exit(1); } check_for_duplicate_bindings(context); /* XXX: The following code will be removed in i3 v4.3 (three releases from * now, as of 2011-10-22) */ /* Check for any exec or exec_always lines starting i3bar. We remove these * and add a bar block instead. Additionally, a i3-nagbar warning (not an * error) will be displayed so that users update their config file. */ struct Autostart *exec, *next; for (exec = TAILQ_FIRST(&autostarts); exec; ) { next = TAILQ_NEXT(exec, autostarts); if (strstr(exec->command, "i3bar") != NULL) { migrate_i3bar_exec(exec); TAILQ_REMOVE(&autostarts, exec, autostarts); } exec = next; } for (exec = TAILQ_FIRST(&autostarts_always); exec; ) { next = TAILQ_NEXT(exec, autostarts_always); if (strstr(exec->command, "i3bar") != NULL) { migrate_i3bar_exec(exec); TAILQ_REMOVE(&autostarts_always, exec, autostarts_always); } exec = next; } if (context->has_errors || context->has_warnings) { start_configerror_nagbar(f); } yylex_destroy(); FREE(context->line_copy); free(context); FREE(font_pattern); free(new); free(buf); while (!SLIST_EMPTY(&variables)) { current = SLIST_FIRST(&variables); FREE(current->key); FREE(current->value); SLIST_REMOVE_HEAD(&variables, variables); FREE(current); } } %} %error-verbose %lex-param { struct context *context } %union { int number; char *string; uint32_t *single_color; struct Colortriple *color; Match *match; struct Binding *binding; } %token NUMBER "" %token WORD "" %token STR "" %token STR_NG "" %token HEXCOLOR "#" %token OUTPUT "" %token TOKBINDCODE %token TOKTERMINAL %token TOKCOMMENT "" %token TOKFONT "font" %token TOKBINDSYM "bindsym" %token MODIFIER "" %token TOKCONTROL "control" %token TOKSHIFT "shift" %token TOKFLOATING_MODIFIER "floating_modifier" %token QUOTEDSTRING "" %token TOKWORKSPACE "workspace" %token TOKOUTPUT "output" %token TOKASSIGN "assign" %token TOKSET %token TOKIPCSOCKET "ipc_socket" %token TOKRESTARTSTATE "restart_state" %token TOKEXEC "exec" %token TOKEXEC_ALWAYS "exec_always" %token TOKSINGLECOLOR %token TOKCOLOR %token TOKARROW "→" %token TOKMODE "mode" %token TOK_BAR "bar" %token TOK_ORIENTATION "default_orientation" %token TOK_HORIZ "horizontal" %token TOK_VERT "vertical" %token TOK_AUTO "auto" %token TOK_WORKSPACE_LAYOUT "workspace_layout" %token TOKNEWWINDOW "new_window" %token TOKNEWFLOAT "new_float" %token TOK_NORMAL "normal" %token TOK_NONE "none" %token TOK_1PIXEL "1pixel" %token TOKFOCUSFOLLOWSMOUSE "focus_follows_mouse" %token TOK_FORCE_FOCUS_WRAPPING "force_focus_wrapping" %token TOK_FORCE_XINERAMA "force_xinerama" %token TOK_WORKSPACE_AUTO_BAF "workspace_auto_back_and_forth" %token TOKWORKSPACEBAR "workspace_bar" %token TOK_DEFAULT "default" %token TOK_STACKING "stacking" %token TOK_TABBED "tabbed" %token TOKSTACKLIMIT "stack-limit" %token TOK_POPUP_DURING_FULLSCREEN "popup_during_fullscreen" %token TOK_IGNORE "ignore" %token TOK_LEAVE_FULLSCREEN "leave_fullscreen" %token TOK_FOR_WINDOW "for_window" %token TOK_BAR_OUTPUT "output (bar)" %token TOK_BAR_TRAY_OUTPUT "tray_output" %token TOK_BAR_SOCKET_PATH "socket_path" %token TOK_BAR_MODE "mode (bar)" %token TOK_BAR_HIDE "hide" %token TOK_BAR_DOCK "dock" %token TOK_BAR_POSITION "position" %token TOK_BAR_BOTTOM "bottom" %token TOK_BAR_TOP "top" %token TOK_BAR_STATUS_COMMAND "status_command" %token TOK_BAR_FONT "font (bar)" %token TOK_BAR_WORKSPACE_BUTTONS "workspace_buttons" %token TOK_BAR_VERBOSE "verbose" %token TOK_BAR_COLORS "colors" %token TOK_BAR_COLOR_BACKGROUND "background" %token TOK_BAR_COLOR_STATUSLINE "statusline" %token TOK_BAR_COLOR_FOCUSED_WORKSPACE "focused_workspace" %token TOK_BAR_COLOR_ACTIVE_WORKSPACE "active_workspace" %token TOK_BAR_COLOR_INACTIVE_WORKSPACE "inactive_workspace" %token TOK_BAR_COLOR_URGENT_WORKSPACE "urgent_workspace" %token TOK_NO_STARTUP_ID "--no-startup-id" %token TOK_MARK "mark" %token TOK_CLASS "class" %token TOK_INSTANCE "instance" %token TOK_WINDOW_ROLE "window_role" %token TOK_ID "id" %token TOK_CON_ID "con_id" %token TOK_TITLE "title" %type binding %type bindcode %type bindsym %type binding_modifiers %type binding_modifier %type direction %type layout_mode %type border_style %type new_window %type new_float %type colorpixel %type bool %type popup_setting %type bar_position_position %type bar_mode_mode %type optional_no_startup_id %type command %type word_or_number %type qstring_or_number %type optional_workspace_name %type workspace_name %type window_class %% lines: /* empty */ | lines error | lines line ; line: bindline | for_window | mode | bar | floating_modifier | orientation | workspace_layout | new_window | new_float | focus_follows_mouse | force_focus_wrapping | force_xinerama | workspace_back_and_forth | workspace_bar | workspace | assign | ipcsocket | restart_state | exec | exec_always | single_color | color | terminal | font | comment | popup_during_fullscreen ; comment: TOKCOMMENT ; command: STR ; bindline: binding { TAILQ_INSERT_TAIL(bindings, $1, bindings); } ; binding: TOKBINDCODE bindcode { $$ = $2; } | TOKBINDSYM bindsym { $$ = $2; } ; bindcode: binding_modifiers NUMBER command { printf("\tFound keycode binding mod%d with key %d and command %s\n", $1, $2, $3); Binding *new = scalloc(sizeof(Binding)); new->keycode = $2; new->mods = $1; new->command = $3; $$ = new; } ; bindsym: binding_modifiers word_or_number command { printf("\tFound keysym binding mod%d with key %s and command %s\n", $1, $2, $3); Binding *new = scalloc(sizeof(Binding)); new->symbol = $2; new->mods = $1; new->command = $3; $$ = new; } ; for_window: TOK_FOR_WINDOW match command { if (match_is_empty(¤t_match)) { ELOG("Match is empty, ignoring this for_window statement\n"); break; } printf("\t should execute command %s for the criteria mentioned above\n", $3); Assignment *assignment = scalloc(sizeof(Assignment)); assignment->type = A_COMMAND; assignment->match = current_match; assignment->dest.command = $3; TAILQ_INSERT_TAIL(&assignments, assignment, assignments); } ; match: | matchstart criteria matchend { printf("match parsed\n"); } ; matchstart: '[' { printf("start\n"); match_init(¤t_match); } ; matchend: ']' { printf("match specification finished\n"); } ; criteria: criteria criterion | criterion ; criterion: TOK_CLASS '=' STR { printf("criteria: class = %s\n", $3); current_match.class = regex_new($3); free($3); } | TOK_INSTANCE '=' STR { printf("criteria: instance = %s\n", $3); current_match.instance = regex_new($3); free($3); } | TOK_WINDOW_ROLE '=' STR { printf("criteria: window_role = %s\n", $3); current_match.role = regex_new($3); free($3); } | TOK_CON_ID '=' STR { printf("criteria: id = %s\n", $3); char *end; long parsed = strtol($3, &end, 10); if (parsed == LONG_MIN || parsed == LONG_MAX || parsed < 0 || (end && *end != '\0')) { ELOG("Could not parse con id \"%s\"\n", $3); } else { current_match.con_id = (Con*)parsed; printf("id as int = %p\n", current_match.con_id); } } | TOK_ID '=' STR { printf("criteria: window id = %s\n", $3); char *end; long parsed = strtol($3, &end, 10); if (parsed == LONG_MIN || parsed == LONG_MAX || parsed < 0 || (end && *end != '\0')) { ELOG("Could not parse window id \"%s\"\n", $3); } else { current_match.id = parsed; printf("window id as int = %d\n", current_match.id); } } | TOK_MARK '=' STR { printf("criteria: mark = %s\n", $3); current_match.mark = regex_new($3); free($3); } | TOK_TITLE '=' STR { printf("criteria: title = %s\n", $3); current_match.title = regex_new($3); free($3); } ; qstring_or_number: QUOTEDSTRING | NUMBER { sasprintf(&$$, "%d", $1); } ; word_or_number: WORD | NUMBER { sasprintf(&$$, "%d", $1); } ; mode: TOKMODE QUOTEDSTRING '{' modelines '}' { if (strcasecmp($2, "default") == 0) { printf("You cannot use the name \"default\" for your mode\n"); exit(1); } printf("\t now in mode %s\n", $2); printf("\t current bindings = %p\n", current_bindings); Binding *binding; TAILQ_FOREACH(binding, current_bindings, bindings) { printf("got binding on mods %d, keycode %d, symbol %s, command %s\n", binding->mods, binding->keycode, binding->symbol, binding->command); } struct Mode *mode = scalloc(sizeof(struct Mode)); mode->name = $2; mode->bindings = current_bindings; current_bindings = NULL; SLIST_INSERT_HEAD(&modes, mode, modes); } ; modelines: /* empty */ | modelines modeline ; modeline: comment | binding { if (current_bindings == NULL) { current_bindings = scalloc(sizeof(struct bindings_head)); TAILQ_INIT(current_bindings); } TAILQ_INSERT_TAIL(current_bindings, $1, bindings); } ; bar: TOK_BAR '{' barlines '}' { printf("\t new bar configuration finished, saving.\n"); /* Generate a unique ID for this bar */ current_bar.id = sstrdup("bar-XXXXXX"); /* This works similar to mktemp in that it replaces the last six X with * random letters, but without the restriction that the given buffer * has to contain a valid path name. */ char *x = current_bar.id + strlen("bar-"); while (*x != '\0') { *(x++) = (rand() % 26) + 'a'; } /* If no font was explicitly set, we use the i3 font as default */ if (!current_bar.font && font_pattern) current_bar.font = sstrdup(font_pattern); /* Copy the current (static) structure into a dynamically allocated * one, then cleanup our static one. */ Barconfig *bar_config = scalloc(sizeof(Barconfig)); memcpy(bar_config, ¤t_bar, sizeof(Barconfig)); TAILQ_INSERT_TAIL(&barconfigs, bar_config, configs); memset(¤t_bar, '\0', sizeof(Barconfig)); } ; barlines: /* empty */ | barlines barline ; barline: comment | bar_status_command | bar_output | bar_tray_output | bar_position | bar_mode | bar_font | bar_workspace_buttons | bar_verbose | bar_socket_path | bar_colors | bar_color_background | bar_color_statusline | bar_color_focused_workspace | bar_color_active_workspace | bar_color_inactive_workspace | bar_color_urgent_workspace ; bar_status_command: TOK_BAR_STATUS_COMMAND STR { DLOG("should add status command %s\n", $2); FREE(current_bar.status_command); current_bar.status_command = $2; } ; bar_output: TOK_BAR_OUTPUT STR { DLOG("bar output %s\n", $2); int new_outputs = current_bar.num_outputs + 1; current_bar.outputs = srealloc(current_bar.outputs, sizeof(char*) * new_outputs); current_bar.outputs[current_bar.num_outputs] = $2; current_bar.num_outputs = new_outputs; } ; bar_tray_output: TOK_BAR_TRAY_OUTPUT STR { DLOG("tray %s\n", $2); FREE(current_bar.tray_output); current_bar.tray_output = $2; } ; bar_position: TOK_BAR_POSITION bar_position_position { DLOG("position %d\n", $2); current_bar.position = $2; } ; bar_position_position: TOK_BAR_TOP { $$ = P_TOP; } | TOK_BAR_BOTTOM { $$ = P_BOTTOM; } ; bar_mode: TOK_BAR_MODE bar_mode_mode { DLOG("mode %d\n", $2); current_bar.mode = $2; } ; bar_mode_mode: TOK_BAR_HIDE { $$ = M_HIDE; } | TOK_BAR_DOCK { $$ = M_DOCK; } ; bar_font: TOK_BAR_FONT STR { DLOG("font %s\n", $2); FREE(current_bar.font); current_bar.font = $2; } ; bar_workspace_buttons: TOK_BAR_WORKSPACE_BUTTONS bool { DLOG("workspace_buttons = %d\n", $2); /* We store this inverted to make the default setting right when * initializing the struct with zero. */ current_bar.hide_workspace_buttons = !($2); } ; bar_verbose: TOK_BAR_VERBOSE bool { DLOG("verbose = %d\n", $2); current_bar.verbose = $2; } ; bar_socket_path: TOK_BAR_SOCKET_PATH STR { DLOG("socket_path = %s\n", $2); FREE(current_bar.socket_path); current_bar.socket_path = $2; } ; bar_colors: TOK_BAR_COLORS '{' barlines '}' { /* At the moment, the TOK_BAR_COLORS token is only to make the config * friendlier for humans. We might change this in the future if it gets * more complex. */ } ; bar_color_background: TOK_BAR_COLOR_BACKGROUND HEXCOLOR { DLOG("background = %s\n", $2); current_bar.colors.background = $2; } ; bar_color_statusline: TOK_BAR_COLOR_STATUSLINE HEXCOLOR { DLOG("statusline = %s\n", $2); current_bar.colors.statusline = $2; } ; bar_color_focused_workspace: TOK_BAR_COLOR_FOCUSED_WORKSPACE HEXCOLOR HEXCOLOR { DLOG("focused_ws = %s and %s\n", $2, $3); current_bar.colors.focused_workspace_text = $2; current_bar.colors.focused_workspace_bg = $3; } ; bar_color_active_workspace: TOK_BAR_COLOR_ACTIVE_WORKSPACE HEXCOLOR HEXCOLOR { DLOG("active_ws = %s and %s\n", $2, $3); current_bar.colors.active_workspace_text = $2; current_bar.colors.active_workspace_bg = $3; } ; bar_color_inactive_workspace: TOK_BAR_COLOR_INACTIVE_WORKSPACE HEXCOLOR HEXCOLOR { DLOG("inactive_ws = %s and %s\n", $2, $3); current_bar.colors.inactive_workspace_text = $2; current_bar.colors.inactive_workspace_bg = $3; } ; bar_color_urgent_workspace: TOK_BAR_COLOR_URGENT_WORKSPACE HEXCOLOR HEXCOLOR { DLOG("urgent_ws = %s and %s\n", $2, $3); current_bar.colors.urgent_workspace_text = $2; current_bar.colors.urgent_workspace_bg = $3; } ; floating_modifier: TOKFLOATING_MODIFIER binding_modifiers { DLOG("floating modifier = %d\n", $2); config.floating_modifier = $2; } ; orientation: TOK_ORIENTATION direction { DLOG("New containers should start with split direction %d\n", $2); config.default_orientation = $2; } ; direction: TOK_HORIZ { $$ = HORIZ; } | TOK_VERT { $$ = VERT; } | TOK_AUTO { $$ = NO_ORIENTATION; } ; workspace_layout: TOK_WORKSPACE_LAYOUT layout_mode { DLOG("new containers will be in mode %d\n", $2); config.default_layout = $2; #if 0 /* We also need to change the layout of the already existing * workspaces here. Workspaces may exist at this point because * of the other directives which are modifying workspaces * (setting the preferred screen or name). While the workspace * objects are already created, they have never been used. * Thus, the user very likely awaits the default container mode * to trigger in this case, regardless of where it is inside * his configuration file. */ Workspace *ws; TAILQ_FOREACH(ws, workspaces, workspaces) { if (ws->table == NULL) continue; switch_layout_mode(global_conn, ws->table[0][0], config.container_mode); } #endif } | TOK_WORKSPACE_LAYOUT TOKSTACKLIMIT TOKSTACKLIMIT NUMBER { DLOG("stack-limit %d with val %d\n", $3, $4); config.container_stack_limit = $3; config.container_stack_limit_value = $4; #if 0 /* See the comment above */ Workspace *ws; TAILQ_FOREACH(ws, workspaces, workspaces) { if (ws->table == NULL) continue; Container *con = ws->table[0][0]; con->stack_limit = config.container_stack_limit; con->stack_limit_value = config.container_stack_limit_value; } #endif } ; layout_mode: TOK_DEFAULT { $$ = L_DEFAULT; } | TOK_STACKING { $$ = L_STACKED; } | TOK_TABBED { $$ = L_TABBED; } ; new_window: TOKNEWWINDOW border_style { DLOG("new windows should start with border style %d\n", $2); config.default_border = $2; } ; new_float: TOKNEWFLOAT border_style { DLOG("new floating windows should start with border style %d\n", $2); config.default_floating_border = $2; } ; border_style: TOK_NORMAL { $$ = BS_NORMAL; } | TOK_NONE { $$ = BS_NONE; } | TOK_1PIXEL { $$ = BS_1PIXEL; } ; bool: NUMBER { $$ = ($1 == 1); } | WORD { DLOG("checking word \"%s\"\n", $1); $$ = (strcasecmp($1, "yes") == 0 || strcasecmp($1, "true") == 0 || strcasecmp($1, "on") == 0 || strcasecmp($1, "enable") == 0 || strcasecmp($1, "active") == 0); } ; focus_follows_mouse: TOKFOCUSFOLLOWSMOUSE bool { DLOG("focus follows mouse = %d\n", $2); config.disable_focus_follows_mouse = !($2); } ; force_focus_wrapping: TOK_FORCE_FOCUS_WRAPPING bool { DLOG("force focus wrapping = %d\n", $2); config.force_focus_wrapping = $2; } ; force_xinerama: TOK_FORCE_XINERAMA bool { DLOG("force xinerama = %d\n", $2); config.force_xinerama = $2; } ; workspace_back_and_forth: TOK_WORKSPACE_AUTO_BAF bool { DLOG("automatic workspace back-and-forth = %d\n", $2); config.workspace_auto_back_and_forth = $2; } ; workspace_bar: TOKWORKSPACEBAR bool { DLOG("workspace bar = %d\n", $2); config.disable_workspace_bar = !($2); } ; workspace: TOKWORKSPACE qstring_or_number TOKOUTPUT OUTPUT optional_workspace_name { char *ws_name = $2; if ($5 != NULL) { ELOG("The old (v3) syntax workspace output is deprecated.\n"); ELOG("Please use the new syntax: workspace \"\" output \n"); ELOG("In your case, the following should work:\n"); ELOG(" workspace \"%s\" output %s\n", $5, $4); ws_name = $5; context->has_warnings = true; } DLOG("Assigning workspace \"%s\" to output \"%s\"\n", ws_name, $4); /* Check for earlier assignments of the same workspace so that we * don’t have assignments of a single workspace to different * outputs */ struct Workspace_Assignment *assignment; bool duplicate = false; TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) { if (strcasecmp(assignment->name, ws_name) == 0) { ELOG("You have a duplicate workspace assignment for workspace \"%s\"\n", ws_name); assignment->output = $4; duplicate = true; } } if (!duplicate) { assignment = scalloc(sizeof(struct Workspace_Assignment)); assignment->name = ws_name; assignment->output = $4; TAILQ_INSERT_TAIL(&ws_assignments, assignment, ws_assignments); } } | TOKWORKSPACE NUMBER workspace_name { int ws_num = $2; if (ws_num < 1) { DLOG("Invalid workspace assignment, workspace number %d out of range\n", ws_num); } else { DLOG("workspace name to: %s\n", $3); #if 0 if ($3 != NULL) { workspace_set_name(workspace_get(ws_num - 1), $3); free($3); } #endif } } ; optional_workspace_name: /* empty */ { $$ = NULL; } | workspace_name { $$ = $1; } ; workspace_name: QUOTEDSTRING { $$ = $1; } | STR { $$ = $1; } | WORD { $$ = $1; } ; assign: TOKASSIGN window_class STR { /* This is the old, deprecated form of assignments. It’s provided for * compatibility in version (4.1, 4.2, 4.3) and will be removed * afterwards. It triggers an i3-nagbar warning starting from 4.1. */ ELOG("You are using the old assign syntax (without criteria). " "Please see the User's Guide for the new syntax and fix " "your config file.\n"); context->has_warnings = true; printf("assignment of %s to *%s*\n", $2, $3); char *workspace = $3; char *criteria = $2; Assignment *assignment = scalloc(sizeof(Assignment)); Match *match = &(assignment->match); match_init(match); char *separator = NULL; if ((separator = strchr(criteria, '/')) != NULL) { *(separator++) = '\0'; char *pattern; sasprintf(&pattern, "(?i)%s", separator); match->title = regex_new(pattern); free(pattern); printf(" title = %s\n", separator); } if (*criteria != '\0') { char *pattern; sasprintf(&pattern, "(?i)%s", criteria); match->class = regex_new(pattern); free(pattern); printf(" class = %s\n", criteria); } free(criteria); /* Compatibility with older versions: If the assignment target starts * with ~, we create the equivalent of: * * for_window [class="foo"] floating enable */ if (*workspace == '~') { workspace++; if (*workspace == '\0') { /* This assignment was *only* for floating */ assignment->type = A_COMMAND; assignment->dest.command = sstrdup("floating enable"); TAILQ_INSERT_TAIL(&assignments, assignment, assignments); break; } else { /* Create a new assignment and continue afterwards */ Assignment *floating = scalloc(sizeof(Assignment)); match_copy(&(floating->match), match); floating->type = A_COMMAND; floating->dest.command = sstrdup("floating enable"); TAILQ_INSERT_TAIL(&assignments, floating, assignments); } } assignment->type = A_TO_WORKSPACE; assignment->dest.workspace = workspace; TAILQ_INSERT_TAIL(&assignments, assignment, assignments); } | TOKASSIGN match STR { if (match_is_empty(¤t_match)) { ELOG("Match is empty, ignoring this assignment\n"); break; } printf("new assignment, using above criteria, to workspace %s\n", $3); Assignment *assignment = scalloc(sizeof(Assignment)); assignment->match = current_match; assignment->type = A_TO_WORKSPACE; assignment->dest.workspace = $3; TAILQ_INSERT_TAIL(&assignments, assignment, assignments); } ; window_class: QUOTEDSTRING | STR_NG ; ipcsocket: TOKIPCSOCKET STR { config.ipc_socket_path = $2; } ; restart_state: TOKRESTARTSTATE STR { config.restart_state_path = $2; } ; exec: TOKEXEC optional_no_startup_id STR { struct Autostart *new = smalloc(sizeof(struct Autostart)); new->command = $3; new->no_startup_id = $2; TAILQ_INSERT_TAIL(&autostarts, new, autostarts); } ; exec_always: TOKEXEC_ALWAYS optional_no_startup_id STR { struct Autostart *new = smalloc(sizeof(struct Autostart)); new->command = $3; new->no_startup_id = $2; TAILQ_INSERT_TAIL(&autostarts_always, new, autostarts_always); } ; optional_no_startup_id: /* empty */ { $$ = false; } | TOK_NO_STARTUP_ID { $$ = true; } ; terminal: TOKTERMINAL STR { ELOG("The terminal option is DEPRECATED and has no effect. " "Please remove it from your configuration file.\n"); } ; font: TOKFONT STR { config.font = load_font($2, true); set_font(&config.font); printf("font %s\n", $2); FREE(font_pattern); font_pattern = $2; } ; single_color: TOKSINGLECOLOR colorpixel { uint32_t *dest = $1; *dest = $2; } ; color: TOKCOLOR colorpixel colorpixel colorpixel { struct Colortriple *dest = $1; dest->border = $2; dest->background = $3; dest->text = $4; } ; colorpixel: HEXCOLOR { $$ = get_colorpixel($1); free($1); } ; binding_modifiers: /* NULL */ { $$ = 0; } | binding_modifier | binding_modifiers '+' binding_modifier { $$ = $1 | $3; } | binding_modifiers '+' { $$ = $1; } ; binding_modifier: MODIFIER { $$ = $1; } | TOKCONTROL { $$ = BIND_CONTROL; } | TOKSHIFT { $$ = BIND_SHIFT; } ; popup_during_fullscreen: TOK_POPUP_DURING_FULLSCREEN popup_setting { DLOG("popup_during_fullscreen setting: %d\n", $2); config.popup_during_fullscreen = $2; } ; popup_setting: TOK_IGNORE { $$ = PDF_IGNORE; } | TOK_LEAVE_FULLSCREEN { $$ = PDF_LEAVE_FULLSCREEN; } ;