/* Copyright (C) 2000, 2001 Shawn Betts * * This file is part of ratpoison. * * ratpoison is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * ratpoison is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this software; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include "ratpoison.h" static rp_action *key_actions; static int key_actions_last; static int key_actions_table_size; static user_command user_commands[] = { /*@begin (tag required for genrpbindings) */ {"abort", cmd_abort, arg_VOID}, {"banish", cmd_banish, arg_VOID}, {"bind", cmd_bind, arg_VOID}, {"time", cmd_time, arg_VOID}, {"colon", cmd_colon, arg_STRING}, {"curframe", cmd_curframe, arg_VOID}, {"delete", cmd_delete, arg_VOID}, {"echo", cmd_echo, arg_STRING}, {"escape", cmd_escape, arg_STRING}, {"exec", cmd_exec, arg_STRING}, {"focus", cmd_next_frame, arg_VOID}, {"focusup", cmd_focusup, arg_VOID}, {"focusdown", cmd_focusdown, arg_VOID}, {"focusleft", cmd_focusleft, arg_VOID}, {"focusright", cmd_focusright, arg_VOID}, {"focuslast", cmd_focuslast, arg_VOID}, {"meta", cmd_meta, arg_STRING}, {"license", cmd_license, arg_VOID}, {"help", cmd_help, arg_VOID}, {"hsplit", cmd_h_split, arg_STRING}, {"kill", cmd_kill, arg_VOID}, {"redisplay", cmd_redisplay, arg_VOID}, {"newwm", cmd_newwm, arg_STRING}, {"next", cmd_next, arg_VOID}, {"number", cmd_number, arg_STRING}, {"only", cmd_only, arg_VOID}, {"other", cmd_other, arg_VOID}, {"gravity", cmd_gravity, arg_STRING}, {"prev", cmd_prev, arg_VOID}, {"quit", cmd_quit, arg_VOID}, {"remove", cmd_remove, arg_VOID}, {"rudeness", cmd_rudeness, arg_STRING}, {"select", cmd_select, arg_STRING}, {"source", cmd_source, arg_STRING}, {"split", cmd_h_split, arg_STRING}, {"title", cmd_rename, arg_STRING}, {"unbind", cmd_unbind, arg_STRING}, {"version", cmd_version, arg_VOID}, {"vsplit", cmd_v_split, arg_STRING}, {"windows", cmd_windows, arg_VOID}, {"setenv", cmd_setenv, arg_STRING}, {"getenv", cmd_getenv, arg_STRING}, {"chdir", cmd_chdir, arg_STRING}, {"unsetenv", cmd_unsetenv, arg_STRING}, {"info", cmd_info, arg_VOID}, {"lastmsg", cmd_lastmsg, arg_VOID}, {"restart", cmd_restart, arg_VOID}, {"startup_message", cmd_startup_message, arg_STRING}, {"link", cmd_link, arg_STRING}, {"alias", cmd_alias, arg_STRING}, {"unalias", cmd_unalias, arg_STRING}, {"prevscreen", cmd_prevscreen, arg_VOID}, {"nextscreen", cmd_nextscreen, arg_VOID}, {"warp", cmd_warp, arg_STRING}, {"resize", cmd_resize, arg_STRING}, {"shrink", cmd_shrink, arg_VOID}, /*@end (tag required for genrpbindings) */ /* Commands to set default behavior. */ {"defbargravity", cmd_defbargravity, arg_STRING}, {"msgwait", cmd_msgwait, arg_STRING}, {"defborder", cmd_defborder, arg_STRING}, {"deffont", cmd_deffont, arg_STRING}, {"definputwidth", cmd_definputwidth, arg_STRING}, {"defmaxsizegravity", cmd_defmaxsizegravity, arg_STRING}, {"defpadding", cmd_defpadding, arg_STRING}, {"defbarborder", cmd_defbarborder, arg_STRING}, {"deftransgravity", cmd_deftransgravity, arg_STRING}, {"defwaitcursor", cmd_defwaitcursor, arg_STRING}, {"defwinfmt", cmd_defwinfmt, arg_STRING}, {"defwinname", cmd_defwinname, arg_STRING}, {"defwingravity", cmd_defwingravity, arg_STRING}, {"deffgcolor", cmd_deffgcolor, arg_STRING}, {"defbgcolor", cmd_defbgcolor, arg_STRING}, {"defbarpadding", cmd_defbarpadding, arg_STRING}, {"defresizeunit", cmd_defresizeunit, arg_STRING}, /* Commands to help debug ratpoison. */ #ifdef DEBUG #endif /* the following screen commands may or may not be able to be implemented. See the screen documentation for what should be emulated with these commands */ #if 0 {"msgminwait", cmd_unimplemented, arg_VOID}, {"nethack", cmd_unimplemented, arg_VOID}, {"sleep", cmd_unimplemented, arg_VOID}, {"stuff", cmd_unimplemented, arg_VOID}, #endif {0, 0, 0} }; typedef struct { char *name; char *alias; } alias_t; static alias_t *alias_list; static int alias_list_size; static int alias_list_last; rp_action* find_keybinding_by_action (char *action) { int i; for (i=0; i MAX_LINK_DEPTH) /* it is not */ return command; cmd = resolve_command_from_keydesc (&command[5], depth + 1); return (cmd != NULL) ? cmd : command; } static void add_keybinding (KeySym keysym, int state, char *cmd) { if (key_actions_last >= key_actions_table_size) { /* double the key table size */ key_actions_table_size *= 2; key_actions = (rp_action*) xrealloc (key_actions, sizeof (rp_action) * key_actions_table_size); PRINT_DEBUG ("realloc()ed key_table %d\n", key_actions_table_size); } key_actions[key_actions_last].key = keysym; key_actions[key_actions_last].state = state; key_actions[key_actions_last].data = xstrdup (cmd); /* free this on shutdown, or re/unbinding */ ++key_actions_last; } static void replace_keybinding (rp_action *key_action, char *newcmd) { if (strlen (key_action->data) < strlen (newcmd)) key_action->data = (char*) realloc (key_action->data, strlen (newcmd) + 1); strcpy (key_action->data, newcmd); } static int remove_keybinding (KeySym keysym, int state) { int i; int found = -1; for (i=0; i= 0) { free (key_actions[found].data); memmove (&key_actions[found], &key_actions[found+1], sizeof (rp_action) * (key_actions_last - found - 1)); key_actions_last--; return 1; } return 0; } void initialize_default_keybindings (void) { key_actions_table_size = 1; key_actions = (rp_action*) xmalloc (sizeof (rp_action) * key_actions_table_size); key_actions_last = 0; /* Initialive the alias list. */ alias_list_size = 5; alias_list_last = 0; alias_list = xmalloc (sizeof (alias_t) * alias_list_size); prefix_key.sym = KEY_PREFIX; prefix_key.state = MODIFIER_PREFIX; add_keybinding (prefix_key.sym, prefix_key.state, "other"); add_keybinding (prefix_key.sym, 0, "meta"); add_keybinding (XK_g, RP_CONTROL_MASK, "abort"); add_keybinding (XK_0, 0, "select 0"); add_keybinding (XK_1, 0, "select 1"); add_keybinding (XK_2, 0, "select 2"); add_keybinding (XK_3, 0, "select 3"); add_keybinding (XK_4, 0, "select 4"); add_keybinding (XK_5, 0, "select 5"); add_keybinding (XK_6, 0, "select 6"); add_keybinding (XK_7, 0, "select 7"); add_keybinding (XK_8, 0, "select 8"); add_keybinding (XK_9, 0, "select 9"); add_keybinding (XK_minus, 0, "select -"); add_keybinding (XK_A, 0, "title"); add_keybinding (XK_A, RP_CONTROL_MASK, "title"); add_keybinding (XK_K, 0, "kill"); add_keybinding (XK_K, RP_CONTROL_MASK, "kill"); add_keybinding (XK_Return, 0, "next"); add_keybinding (XK_Return, RP_CONTROL_MASK, "next"); add_keybinding (XK_a, 0, "time"); add_keybinding (XK_a, RP_CONTROL_MASK, "time"); add_keybinding (XK_b, 0, "banish"); add_keybinding (XK_b, RP_CONTROL_MASK, "banish"); add_keybinding (XK_c, 0, "exec " TERM_PROG); add_keybinding (XK_c, RP_CONTROL_MASK, "exec " TERM_PROG); add_keybinding (XK_colon, 0, "colon"); add_keybinding (XK_exclam, 0, "exec"); add_keybinding (XK_exclam, RP_CONTROL_MASK, "colon exec " TERM_PROG " -e "); add_keybinding (XK_i, 0, "info"); add_keybinding (XK_i, RP_CONTROL_MASK, "info"); add_keybinding (XK_k, 0, "delete"); add_keybinding (XK_k, RP_CONTROL_MASK, "delete"); add_keybinding (XK_l, 0, "redisplay"); add_keybinding (XK_l, RP_CONTROL_MASK, "redisplay"); add_keybinding (XK_m, 0, "lastmsg"); add_keybinding (XK_m, RP_CONTROL_MASK, "lastmsg"); add_keybinding (XK_n, 0, "next"); add_keybinding (XK_n, RP_CONTROL_MASK, "next"); add_keybinding (XK_p, 0, "prev"); add_keybinding (XK_p, RP_CONTROL_MASK, "prev"); add_keybinding (XK_quoteright, 0, "select"); add_keybinding (XK_quoteright, RP_CONTROL_MASK, "select"); add_keybinding (XK_space, 0, "next"); add_keybinding (XK_space, RP_CONTROL_MASK, "next"); add_keybinding (XK_v, 0, "version"); add_keybinding (XK_v, RP_CONTROL_MASK, "version"); add_keybinding (XK_V, 0, "license"); add_keybinding (XK_V, RP_CONTROL_MASK, "license"); add_keybinding (XK_w, 0, "windows"); add_keybinding (XK_w, RP_CONTROL_MASK, "windows"); add_keybinding (XK_s, 0, "split"); add_keybinding (XK_s, RP_CONTROL_MASK, "split"); add_keybinding (XK_S, 0, "vsplit"); add_keybinding (XK_S, RP_CONTROL_MASK, "vsplit"); add_keybinding (XK_Tab, 0, "focus"); add_keybinding (XK_Tab, RP_META_MASK, "focuslast"); add_keybinding (XK_Q, 0, "only"); add_keybinding (XK_R, 0, "remove"); add_keybinding (XK_f, 0, "curframe"); add_keybinding (XK_f, RP_CONTROL_MASK, "curframe"); add_keybinding (XK_question, 0, "help"); } /* return a KeySym from a string that contains either a hex value or an X keysym description */ static int string_to_keysym (char *str) { int retval; int keysym; retval = sscanf (str, "0x%x", &keysym); if (!retval || retval == EOF) keysym = XStringToKeysym (str); return keysym; } /* Parse a key description. 's' is, naturally, the key description. */ struct rp_key* parse_keydesc (char *s) { static struct rp_key key; struct rp_key *p = &key; char *token, *next_token, *keydesc; if (s == NULL) return NULL; /* Avoid mangling s. */ keydesc = xstrdup (s); p->state = 0; p->sym = 0; if (!strchr (keydesc, '-')) { /* Its got no hyphens in it, so just grab the keysym */ p->sym = string_to_keysym (keydesc); } else { /* Its got hyphens, so parse out the modifiers and keysym */ token = strtok (keydesc, "-"); if (token == NULL) { /* It was nothing but hyphens */ free (keydesc); return NULL; } do { next_token = strtok (NULL, "-"); if (next_token == NULL) { /* There is nothing more to parse and token contains the keysym name. */ p->sym = string_to_keysym (token); } else { /* Which modifier is it? Only accept modifiers that are present. ie don't accept a hyper modifier if the keymap has no hyper key. */ if (!strcmp (token, "C")) { p->state |= RP_CONTROL_MASK; } else if (!strcmp (token, "M")) { p->state |= RP_META_MASK; } else if (!strcmp (token, "A")) { p->state |= RP_ALT_MASK; } else if (!strcmp (token, "S")) { p->state |= RP_SUPER_MASK; } else if (!strcmp (token, "H")) { p->state |= RP_HYPER_MASK; } else { free (keydesc); return NULL; } } token = next_token; } while (next_token != NULL); } free (keydesc); if (!p->sym) return NULL; else return p; } char * cmd_bind (int interactive, void *data) { char *keydesc; char *cmd; if (!data) { message (" bind: at least one argument required "); return NULL; } keydesc = (char*) xmalloc (strlen (data) + 1); sscanf (data, "%s", keydesc); cmd = ((char *)data) + strlen (keydesc); /* Gobble remaining whitespace before command starts */ while (*cmd == ' ') { cmd++; } if (!keydesc) message (" bind: at least one argument required "); else { if (!cmd || !*cmd) { /* If no comand is specified, then unbind the key. */ cmd_unbind (interactive, keydesc); } else { struct rp_key *key = parse_keydesc (keydesc); if (key) { rp_action *key_action; if ((key_action = find_keybinding (key->sym, key->state))) replace_keybinding (key_action, cmd); else add_keybinding (key->sym, key->state, cmd); } else marked_message_printf (0, 0, " bind: unknown key '%s' ", keydesc); } } free (keydesc); return NULL; } char * cmd_unbind (int interactive, void *data) { struct rp_key *key; char *keydesc; if (!data) { message (" unbind: one argument required "); return NULL; } keydesc = (char*) xmalloc (strlen (data) + 1); sscanf (data, "%s", keydesc); key = parse_keydesc (keydesc); if (key) { if (!remove_keybinding (key->sym, key->state)) marked_message_printf (0, 0, " unbind: unbound key '%s' ", keydesc); } else { marked_message_printf (0, 0, " unbind: unknown key '%s' ", keydesc); } free (keydesc); return NULL; } char * cmd_unimplemented (int interactive, void *data) { marked_message (" FIXME: unimplemented command ",0,8); return NULL; } char * cmd_source (int interactive, void *data) { FILE *fileptr; if ((fileptr = fopen ((char*) data, "r")) == NULL) marked_message_printf (0, 0, " source: %s : %s ", (char *)data, strerror(errno)); else { read_rc_file (fileptr); fclose (fileptr); } return NULL; } char * cmd_meta (int interactive, void *data) { XEvent ev1, ev; ev = rp_current_event; if (current_window() == NULL) return NULL; PRINT_DEBUG ("type==%d\n", ev.xkey.type); PRINT_DEBUG ("serial==%ld\n", ev.xkey.serial); PRINT_DEBUG ("send_event==%d\n", ev.xkey.send_event); PRINT_DEBUG ("display=%p\n", ev.xkey.display); /* PRINT_DEBUG ("root==%x ???\n", ev.xkey.root); */ /* PRINT_DEBUG ("window==%x ???\n", ev.xkey.window); */ /* PRINT_DEBUG ("subwindow==%x ???\n", ev.xkey.subwindow); */ PRINT_DEBUG ("time==%ld\n", ev.xkey.time); PRINT_DEBUG ("x==%d y==%d\n", ev.xkey.x, ev.xkey.y); PRINT_DEBUG ("x_root==%d y_root==%d\n", ev.xkey.x_root, ev.xkey.y_root); PRINT_DEBUG ("state==%d\n", ev.xkey.state); PRINT_DEBUG ("keycode==%d\n", ev.xkey.keycode); PRINT_DEBUG ("same_screen=%d\n", ev.xkey.same_screen); /* I am not sure which of the following fields I have to fill in or what to fill them in with (rcy) I wouldnt be suprised if this breaks in some cases. */ ev1.xkey.type = KeyPress; /* ev1.xkey.serial = */ /* ev1.xkey.send_event = */ ev1.xkey.display = dpy; /* ev1.xkey.root = */ ev1.xkey.window = current_window()->w; /* ev1.xkey.subwindow = */ /* ev1.xkey.time = ev.xkey.time; */ /* ev1.xkey.x == */ /* ev1.xkey.y == */ /* ev1.xkey.x_root == */ /* ev1.xkey.y_root == */ ev1.xkey.state = rp_mask_to_x11_mask (prefix_key.state); ev1.xkey.keycode = XKeysymToKeycode (dpy, prefix_key.sym); XSendEvent (dpy, current_window()->w, False, KeyPressMask, &ev1); /* XTestFakeKeyEvent (dpy, XKeysymToKeycode (dpy, 't'), True, 0); */ XSync (dpy, False); return NULL; } char * cmd_prev (int interactive, void *data) { rp_window *w; /* If the current frame is empty find the last accessed window and put it in the frame */ if (!current_window()) { set_active_window (find_window_other()); if (!current_window()) message (MESSAGE_NO_MANAGED_WINDOWS); return NULL; } else { w = find_window_prev (current_window()); if (!w) message (MESSAGE_NO_OTHER_WINDOW); else set_active_window (w); } return NULL; } char * cmd_prev_frame (int interactive, void *data) { rp_window_frame *frame; frame = find_frame_prev (current_screen()->rp_current_frame); if (!frame) message (MESSAGE_NO_OTHER_WINDOW); else set_active_frame (frame); return NULL; } char * cmd_next (int interactive, void *data) { rp_window *w; /* If the current frame is empty find the last accessed window and put it in the frame */ if (!current_window()) { set_active_window (find_window_other()); if (!current_window()) message (MESSAGE_NO_MANAGED_WINDOWS); return NULL; } else { w = find_window_next (current_window()); if (!w) message (MESSAGE_NO_OTHER_WINDOW); else set_active_window (w); } return NULL; } char * cmd_next_frame (int interactive, void *data) { rp_window_frame *frame; frame = find_frame_next (current_screen()->rp_current_frame); if (!frame) message (MESSAGE_NO_OTHER_FRAME); else set_active_frame (frame); return NULL; } char * cmd_other (int interactive, void *data) { rp_window *w; w = find_window_other (); if (!w) message (MESSAGE_NO_OTHER_WINDOW); else set_active_window (w); return NULL; } static int string_to_window_number (char *str) { int i; char *s; for (i = 0, s = str; *s; s++) { if (*s < '0' || *s > '9') break; i = i * 10 + (*s - '0'); } return *s ? -1 : i; } /* switch to window number or name */ char * cmd_select (int interactive, void *data) { char *str; int n; rp_window *w; if (data == NULL) str = get_input (MESSAGE_PROMPT_SWITCH_TO_WINDOW); else str = xstrdup ((char *) data); /* User aborted. */ if (str == NULL) return NULL; /* Only search if the string contains something to search for. */ if (strlen (str) > 0) { if (strlen (str) == 1 && str[0] == '-') { blank_frame (current_screen()->rp_current_frame); } /* else if ((w = find_window_name (str))) */ /* { */ /* goto_window (w); */ /* } */ /* try by number */ else if ((n = string_to_window_number (str)) >= 0) { if ((w = find_window_number (n))) goto_window (w); else /* show the window list as feedback */ show_bar (current_screen ()); } else /* try by name */ { if ((w = find_window_name (str))) goto_window (w); else marked_message_printf (0, 0, " select: unknown window '%s' ", str); } } free (str); return NULL; } char * cmd_rename (int interactive, void *data) { char *winname; if (current_window() == NULL) return NULL; if (data == NULL) winname = get_input (MESSAGE_PROMPT_NEW_WINDOW_NAME); else winname = xstrdup ((char *) data); /* User aborted. */ if (winname == NULL) return NULL; if (*winname) { free (current_window()->user_name); current_window()->user_name = xmalloc (sizeof (char) * strlen (winname) + 1); strcpy (current_window()->user_name, winname); current_window()->named = 1; /* Update the program bar. */ update_window_names (current_screen()); } free (winname); return NULL; } char * cmd_delete (int interactive, void *data) { XEvent ev; int status; if (current_window() == NULL) return NULL; ev.xclient.type = ClientMessage; ev.xclient.window = current_window()->w; ev.xclient.message_type = wm_protocols; ev.xclient.format = 32; ev.xclient.data.l[0] = wm_delete; ev.xclient.data.l[1] = CurrentTime; status = XSendEvent(dpy, current_window()->w, False, 0, &ev); if (status == 0) PRINT_DEBUG ("Delete window failed\n"); return NULL; } char * cmd_kill (int interactive, void *data) { if (current_window() == NULL) return NULL; XKillClient(dpy, current_window()->w); return NULL; } char * cmd_version (int interactive, void *data) { message (" " PACKAGE " " VERSION " "); return NULL; } char * command (int interactive, char *data) { /* This static counter is used to exit from recursive alias calls. */ static int alias_recursive_depth = 0; char *result = NULL; char *cmd, *rest; char *input; user_command *uc; int i; if (data == NULL) return NULL; /* get a writable copy for strtok() */ input = xstrdup ((char *) data); cmd = strtok (input, " "); if (cmd == NULL) goto done; rest = strtok (NULL, "\0"); /* Gobble whitespace */ if (rest) { while (*rest == ' ') rest++; /* If rest is empty, then we have no argument. */ if (*rest == '\0') rest = NULL; } PRINT_DEBUG ("cmd==%s rest==%s\n", cmd, (char*)rest); /* Look for it in the aliases, first. */ for (i=0; i= MAX_ALIAS_RECURSIVE_DEPTH) message (" command: alias recursion has exceeded maximum depth "); else result = command (interactive, sbuf_get (s)); alias_recursive_depth--; sbuf_free (s); goto done; } } /* If it wasn't an alias, maybe its a command. */ for (uc = user_commands; uc->name; uc++) { if (!strcmp (cmd, uc->name)) { result = uc->func (interactive, rest); goto done; } } marked_message_printf (0, 0, MESSAGE_UNKNOWN_COMMAND, cmd); done: free (input); return result; } char * cmd_colon (int interactive, void *data) { char *result; char *input; if (data == NULL) input = get_input (MESSAGE_PROMPT_COMMAND); else input = get_more_input (MESSAGE_PROMPT_COMMAND, data); /* User aborted. */ if (input == NULL) return NULL; result = command (1, input); /* Gobble the result. */ if (result) free (result); free (input); return NULL; } char * cmd_exec (int interactive, void *data) { char *cmd; if (data == NULL) cmd = get_input (MESSAGE_PROMPT_SHELL_COMMAND); else cmd = xstrdup ((char *) data); /* User aborted. */ if (cmd == NULL) return NULL; spawn (cmd); free (cmd); return NULL; } void spawn(void *data) { char *cmd = data; int pid; pid = fork(); if (pid == 0) { /* Some process setup to make sure the spawned process runs in its own session. */ /* Only put the display env if we don't have it already. If we don't do this it core dumps on FreeBSD. */ if (!getenv("DISPLAY")) putenv(current_screen()->display_string); #ifdef HAVE_SETSID setsid(); #endif #if defined (HAVE_SETPGID) setpgid (0, 0); #elif defined (HAVE_SETPGRP) setpgrp (0, 0); #endif execl("/bin/sh", "sh", "-c", cmd, 0); _exit(EXIT_FAILURE); } /* wait((int *) 0); */ PRINT_DEBUG ("spawned %s\n", cmd); } /* Switch to a different Window Manager. Thanks to "Chr. v. Stuckrad" for the patch. */ char * cmd_newwm(int interactive, void *data) { char *prog; if (data == NULL) prog = get_input (MESSAGE_PROMPT_SWITCH_WM); else prog = xstrdup ((char *) data); /* User aborted. */ if (prog == NULL) return NULL; PRINT_DEBUG ("Switching to %s\n", prog); putenv(current_screen()->display_string); execlp(prog, prog, 0); PRINT_ERROR ("exec %s ", prog); perror(" failed"); free (prog); return NULL; } char * cmd_quit(int interactive, void *data) { kill_signalled = 1; return NULL; } /* Show the current time on the bar. Thanks to Martin Samuelsson for the patch. Thanks to Jonathan Walther for making it pretty. */ char * cmd_time (int interactive, void *data) { char *msg, *tmp; time_t timep; timep = time(NULL); tmp = ctime(&timep); msg = xmalloc (strlen (tmp)); strncpy(msg, tmp, strlen (tmp) - 1); /* Remove the newline */ msg[strlen(tmp) - 1] = 0; marked_message_printf (0, 0, " %s ", msg); free (msg); return NULL; } /* Assign a new number to a window ala screen's number command. Thanks to Martin Samuelsson for the original patch. */ char * cmd_number (int interactive, void *data) { int old_number, new_number; rp_window *other_win, *win; char *str; char *tmp; if (data == NULL) { print_window_information (current_window()); return NULL; } else { str = xstrdup ((char *) data); } tmp = strtok (str, " "); if (tmp) { new_number = string_to_window_number (tmp); if (new_number < 0) { message (" number: invalid argument "); free (str); return NULL; } } else { /* Impossible, but we'll live with it. */ print_window_information (current_window()); free (str); return NULL; } /* Get the rest of the string and see if the user specified a target window. */ tmp = strtok (NULL, ""); if (tmp) { int win_number; PRINT_DEBUG ("2nd: '%s'\n", tmp); win_number = string_to_window_number (tmp); if (win_number < 0) { message (" number: invalid argument "); free (str); return NULL; } win = find_window_number (win_number); } else { PRINT_DEBUG ("2nd: NULL\n"); win = current_window(); } if ( new_number >= 0 && win) { /* Find other window with same number and give it old number. */ other_win = find_window_number (new_number); if (other_win != NULL) { old_number = win->number; other_win->number = old_number; /* Resort the the window in the list */ remove_from_list (other_win); insert_into_list (other_win, rp_mapped_window_sentinel); } else { return_window_number (win->number); } win->number = new_number; add_window_number (new_number); /* resort the the window in the list */ remove_from_list (win); insert_into_list (win, rp_mapped_window_sentinel); /* Update the window list. */ update_window_names (win->scr); } free (str); return NULL; } /* Toggle the display of the program bar */ char * cmd_windows (int interactive, void *data) { struct sbuf *window_list = NULL; char *tmp; int dummy; screen_info *s; if (interactive) { s = current_screen (); if (!hide_bar (s)) show_bar (s); return NULL; } else { window_list = sbuf_new (0); if (data) get_window_list ((char *)data, "\n", window_list, &dummy, &dummy); else get_window_list (defaults.window_fmt, "\n", window_list, &dummy, &dummy); tmp = sbuf_get (window_list); free (window_list); return tmp; } } char * cmd_abort (int interactive, void *data) { return NULL; } /* Redisplay the current window by sending 2 resize events. */ char * cmd_redisplay (int interactive, void *data) { force_maximize (current_window()); return NULL; } /* Reassign the prefix key. */ char * cmd_escape (int interactive, void *data) { rp_window *cur; struct rp_key *key; rp_action *action; key = parse_keydesc (data); if (key) { /* Update the "other" keybinding */ action = find_keybinding(prefix_key.sym, prefix_key.state); if (action != NULL && !strcmp (action->data, "other")) { action->key = key->sym; action->state = key->state; } /* Update the "meta" keybinding */ action = find_keybinding(prefix_key.sym, 0); if (action != NULL && !strcmp (action->data, "meta")) { action->key = key->sym; action->state = 0; } /* Remove the grab on the current prefix key */ for (cur = rp_mapped_window_sentinel->next; cur != rp_mapped_window_sentinel; cur = cur->next) { ungrab_prefix_key (cur->w); } prefix_key.sym = key->sym; prefix_key.state = key->state; /* Add the grab for the new prefix key */ for (cur = rp_mapped_window_sentinel->next; cur != rp_mapped_window_sentinel; cur = cur->next) { grab_prefix_key (cur->w); } } else { marked_message_printf (0, 0, " escape: unknown key '%s' ", (char *)data); } return NULL; } /* User accessible call to display the passed in string. */ char * cmd_echo (int interactive, void *data) { if (data) marked_message_printf (0, 0, " %s ", (char *)data); return NULL; } static int read_split (const char *str, int max) { int a, b, p; if (sscanf(str, "%d/%d", &a, &b) == 2) { p = (int)(max * (float)(a) / (float)(b)); } else if (sscanf(str, "%d", &p) == 1) { if (p < 0) p = max + p; } else { /* Failed to read input. */ return -1; } /* Input out of range. */ if (p <= 0 || p >= max) return -1; return p; } char * cmd_h_split (int interactive, void *data) { int pixels; /* Default to dividing the frame in half. */ if (data == NULL) pixels = current_screen()->rp_current_frame->height / 2; else pixels = read_split (data, current_screen()->rp_current_frame->height); if (pixels > 0) h_split_frame (current_screen()->rp_current_frame, pixels); else message (" hsplit: invalid argument "); return NULL; } char * cmd_v_split (int interactive, void *data) { int pixels; /* Default to dividing the frame in half. */ if (data == NULL) pixels = current_screen()->rp_current_frame->width / 2; else pixels = read_split (data, current_screen()->rp_current_frame->width); if (pixels > 0) v_split_frame (current_screen()->rp_current_frame, pixels); else message (" vsplit: invalid argument "); return NULL; } char * cmd_only (int interactive, void *data) { remove_all_splits(); maximize (current_window()); return NULL; } char * cmd_remove (int interactive, void *data) { rp_window_frame *frame; frame = find_frame_next (current_screen()->rp_current_frame); if (frame) { remove_frame (current_screen()->rp_current_frame); set_active_frame (frame); } return NULL; } char * cmd_shrink (int interactive, void *data) { screen_info *s = current_screen (); resize_shrink_to_window (s->rp_current_frame); return NULL; } char * cmd_resize (int interactive, void *data) { screen_info *s = current_screen (); /* If the user calls resize with arguments, treat it like the non-interactive version. */ if (interactive && data == NULL) { int nbytes, revert; char buffer[513]; unsigned int mod; KeySym c; Window fwin; /* If we haven't got at least 2 frames, there isn't anything to scale. */ if (num_frames (s) < 2) return NULL; XGetInputFocus (dpy, &fwin, &revert); XSetInputFocus (dpy, s->key_window, RevertToPointerRoot, CurrentTime); nbytes = read_key (&c, &mod, buffer, sizeof (buffer)); while (1) { if (c == RESIZE_VGROW_KEY && mod == RESIZE_VGROW_MODIFIER) resize_frame_vertically (s->rp_current_frame, defaults.frame_resize_unit); else if (c == RESIZE_VSHRINK_KEY && mod == RESIZE_VSHRINK_MODIFIER) resize_frame_vertically (s->rp_current_frame, -defaults.frame_resize_unit); else if (c == RESIZE_HGROW_KEY && mod == RESIZE_HGROW_MODIFIER) resize_frame_horizontally (s->rp_current_frame, defaults.frame_resize_unit); else if (c == RESIZE_HSHRINK_KEY && mod == RESIZE_HSHRINK_MODIFIER) resize_frame_horizontally (s->rp_current_frame, -defaults.frame_resize_unit); else if (c == RESIZE_SHRINK_TO_WINDOW_KEY && mod == RESIZE_SHRINK_TO_WINDOW_MODIFIER) resize_shrink_to_window (s->rp_current_frame); else if (c == RESIZE_END_KEY && mod == RESIZE_END_MODIFIER) break; nbytes = read_key (&c, &mod, buffer, sizeof (buffer)); } XSetInputFocus (dpy, fwin, RevertToPointerRoot, CurrentTime); } else { int xdelta, ydelta; if (sscanf (data, "%d %d", &xdelta, &ydelta) < 2) { message (" resize: Two numeric arguments required "); return NULL; } resize_frame_horizontally (s->rp_current_frame, xdelta); resize_frame_vertically (s->rp_current_frame, ydelta); } return NULL; } char * cmd_defresizeunit (int interactive, void *data) { int tmp; if (data == NULL && !interactive) return xsprintf ("%d", defaults.frame_resize_unit); if (data == NULL || sscanf (data, "%d", &tmp) < 1) { message (" defresizeunit: One argument required "); return NULL; } if (tmp >= 0) defaults.frame_resize_unit = tmp; else message (" defresizeunit: Bad argument "); return NULL; } /* banish the rat pointer */ char * cmd_banish (int interactive, void *data) { screen_info *s; s = current_screen (); XWarpPointer (dpy, None, s->root, 0, 0, 0, 0, s->root_attr.width - 2, s->root_attr.height - 2); return NULL; } char * cmd_curframe (int interactive, void *data) { show_frame_indicator(); return NULL; } /* Thanks to Martin Samuelsson for the original patch. */ char * cmd_license (int interactive, void *data) { screen_info *s = current_screen(); XEvent ev; Window fwin; /* Window currently in focus */ int revert; int x = 10; int y = 10; int i; int max_width = 0; char *license_text[] = { PACKAGE " " VERSION, "", "Copyright (C) 2000, 2001 Shawn Betts", "", "ratpoison is free software; you can redistribute it and/or modify ", "it under the terms of the GNU General Public License as published by ", "the Free Software Foundation; either version 2, or (at your option) ", "any later version.", "", "ratpoison is distributed in the hope that it will be useful, ", "but WITHOUT ANY WARRANTY; without even the implied warranty of ", "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ", "GNU General Public License for more details.", "", "You should have received a copy of the GNU General Public License ", "along with this software; see the file COPYING. If not, write to ", "the Free Software Foundation, Inc., 59 Temple Place, Suite 330, ", "Boston, MA 02111-1307 USA", "", "Send bugreports, fixes, enhancements, t-shirts, money, beer & pizza ", "to ratpoison-devel@lists.sourceforge.net or visit ", "http://ratpoison.sourceforge.net/", "", "[Press any key to end.] ", NULL}; XMapRaised (dpy, s->help_window); XGetInputFocus (dpy, &fwin, &revert); XSetInputFocus (dpy, s->help_window, RevertToPointerRoot, CurrentTime); /* Find the longest line. */ for(i=0; license_text[i]; i++) { int tmp; tmp = XTextWidth (defaults.font, license_text[i], strlen (license_text[i])); if (tmp > max_width) max_width = tmp; } /* Offset the text so its in the center. */ x = (s->root_attr.width - max_width) / 2; y = (s->root_attr.height - i * FONT_HEIGHT (defaults.font)) / 2; if (x < 0) x = 0; if (y < 0) y = 0; /* Print the text. */ for(i=0; license_text[i]; i++) { XDrawString (dpy, s->help_window, s->normal_gc, x, y + defaults.font->max_bounds.ascent, license_text[i], strlen (license_text[i])); y += FONT_HEIGHT (defaults.font); } /* Wait for a key press. */ XMaskEvent (dpy, KeyPressMask, &ev); XUnmapWindow (dpy, s->help_window); XSetInputFocus (dpy, fwin, revert, CurrentTime); /* The help window overlaps the bar, so redraw it. */ if (current_screen()->bar_is_raised) show_last_message(); return NULL; } char * cmd_help (int interactive, void *data) { if (interactive) { screen_info *s = current_screen(); XEvent ev; Window fwin; /* Window currently in focus */ int revert; int i, old_i; int x = 10; int y = 0; int max_width = 0; int drawing_keys = 1; /* 1 if we are drawing keys 0 if we are drawing commands */ char *keysym_name; XMapRaised (dpy, s->help_window); XGetInputFocus (dpy, &fwin, &revert); XSetInputFocus (dpy, s->help_window, RevertToPointerRoot, CurrentTime); XDrawString (dpy, s->help_window, s->normal_gc, 10, y + defaults.font->max_bounds.ascent, "ratpoison key bindings", strlen ("ratpoison key bindings")); y += FONT_HEIGHT (defaults.font) * 2; XDrawString (dpy, s->help_window, s->normal_gc, 10, y + defaults.font->max_bounds.ascent, "Command key: ", strlen ("Command key: ")); keysym_name = keysym_to_string (prefix_key.sym, prefix_key.state); XDrawString (dpy, s->help_window, s->normal_gc, 10 + XTextWidth (defaults.font, "Command key: ", strlen ("Command key: ")), y + defaults.font->max_bounds.ascent, keysym_name, strlen (keysym_name)); free (keysym_name); y += FONT_HEIGHT (defaults.font) * 2; i = 0; old_i = 0; while (ihelp_window, s->normal_gc, x, y + defaults.font->max_bounds.ascent, keysym_name, strlen (keysym_name)); if (XTextWidth (defaults.font, keysym_name, strlen (keysym_name)) > max_width) max_width = XTextWidth (defaults.font, keysym_name, strlen (keysym_name)); free (keysym_name); } else { XDrawString (dpy, s->help_window, s->normal_gc, x, y + defaults.font->max_bounds.ascent, key_actions[i].data, strlen (key_actions[i].data)); if (XTextWidth (defaults.font, key_actions[i].data, strlen (key_actions[i].data)) > max_width) { max_width = XTextWidth (defaults.font, key_actions[i].data, strlen (key_actions[i].data)); } } y += FONT_HEIGHT (defaults.font); /* Make sure the next line fits entirely within the window. */ if (y + FONT_HEIGHT (defaults.font) >= s->root_attr.height) { if (drawing_keys) { x += max_width + 10; drawing_keys = 0; i = old_i; } else { x += max_width + 20; drawing_keys = 1; i++; old_i = i; } max_width = 0; y = FONT_HEIGHT (defaults.font) * 4; } else { i++; if (i >= key_actions_last && drawing_keys) { x += max_width + 10; drawing_keys = 0; y = FONT_HEIGHT (defaults.font) * 4; i = old_i; max_width = 0; } } } XMaskEvent (dpy, KeyPressMask, &ev); XUnmapWindow (dpy, s->help_window); XSetInputFocus (dpy, fwin, revert, CurrentTime); /* The help window overlaps the bar, so redraw it. */ if (current_screen()->bar_is_raised) show_last_message(); return NULL; } else { struct sbuf *help_list; char *keysym_name; char *tmp; int i; help_list = sbuf_new (0); for (i = 0; i < key_actions_last; i++) { keysym_name = keysym_to_string (key_actions[i].key, key_actions[i].state); sbuf_concat (help_list, keysym_name); free (keysym_name); sbuf_concat (help_list, " "); sbuf_concat (help_list, key_actions[i].data); if (i < key_actions_last - 1) sbuf_concat (help_list, "\n"); } tmp = sbuf_get (help_list); free (help_list); return tmp; } } char * cmd_rudeness (int interactive, void *data) { int num; if (data == NULL && !interactive) return xsprintf ("%d", rp_honour_transient_raise | (rp_honour_normal_raise << 1) | (rp_honour_transient_map << 2) | (rp_honour_normal_map << 3)); if (data == NULL) { message (" rudeness: one argument required "); return NULL; } if (sscanf ((char *)data, "%d", &num) < 1 || num < 0 || num > 15) { marked_message_printf (0, 0, " rudeness: invalid level '%s' ", (char *)data); return NULL; } rp_honour_transient_raise = num & 1 ? 1 : 0; rp_honour_normal_raise = num & 2 ? 1 : 0; rp_honour_transient_map = num & 4 ? 1 : 0; rp_honour_normal_map = num & 8 ? 1 : 0; return NULL; } static int parse_wingravity (char *data) { int ret = -1; if (!strcasecmp (data, "northwest") || !strcasecmp (data, "nw")) ret = NorthWestGravity; if (!strcasecmp (data, "north") || !strcasecmp (data, "n")) ret = NorthGravity; if (!strcasecmp (data, "northeast") || !strcasecmp (data, "ne")) ret = NorthEastGravity; if (!strcasecmp (data, "west") || !strcasecmp (data, "w")) ret = WestGravity; if (!strcasecmp (data, "center") || !strcasecmp (data, "c")) ret = CenterGravity; if (!strcasecmp (data, "East") || !strcasecmp (data, "e")) ret = EastGravity; if (!strcasecmp (data, "southwest") || !strcasecmp (data, "sw")) ret = SouthWestGravity; if (!strcasecmp (data, "South") || !strcasecmp (data, "s")) ret = SouthGravity; if (!strcasecmp (data, "southeast") || !strcasecmp (data, "se")) ret = SouthEastGravity; return ret; } static char * wingravity_to_string (int g) { switch (g) { case NorthWestGravity: return "nw"; case WestGravity: return "w"; case SouthWestGravity: return "sw"; case NorthGravity: return "n"; case CenterGravity: return "c"; case SouthGravity: return "s"; case NorthEastGravity: return "ne"; case EastGravity: return "e"; case SouthEastGravity: return "se"; } PRINT_DEBUG ("Unknown gravity!\n"); return "Unknown"; } char * cmd_gravity (int interactive, void *data) { int gravity; rp_window *win; if (current_window() == NULL) return NULL; win = current_window(); if (data == NULL && !interactive) return xstrdup (wingravity_to_string (win->gravity)); if (data == NULL) { message (" gravity: one argument required "); return NULL; } if ((gravity = parse_wingravity (data)) < 0) message (" gravity: unknown gravity "); else { win->gravity = gravity; maximize (win); } return NULL; } char * cmd_defwingravity (int interactive, void *data) { int gravity; if (data == NULL && !interactive) return xstrdup (wingravity_to_string (defaults.win_gravity)); if (data == NULL) { message (" defwingravity: one argument required "); return NULL; } if ((gravity = parse_wingravity (data)) < 0) message (" defwingravity: unknown gravity "); else defaults.win_gravity = gravity; return NULL; } char * cmd_deftransgravity (int interactive, void *data) { int gravity; if (data == NULL && !interactive) return xstrdup (wingravity_to_string (defaults.trans_gravity)); if (data == NULL) { message (" deftransgravity: one argument required "); return NULL; } if ((gravity = parse_wingravity (data)) < 0) message (" deftransgravity: unknown gravity "); else defaults.trans_gravity = gravity; return NULL; } char * cmd_defmaxsizegravity (int interactive, void *data) { int gravity; if (data == NULL && !interactive) return xstrdup (wingravity_to_string (defaults.maxsize_gravity)); if (data == NULL) { message (" defmaxsizegravity: one argument required "); return NULL; } if ((gravity = parse_wingravity (data)) < 0) message (" defmaxsizegravity: unknown gravity "); else defaults.maxsize_gravity = gravity; return NULL; } char * cmd_msgwait (int interactive, void *data) { int tmp; if (data == NULL && !interactive) return xsprintf ("%d", defaults.bar_timeout); if (data == NULL) { message (" msgwait: one argument required "); return NULL; } if (sscanf (data, "%d", &tmp) < 1 || tmp < 0) message (" msgwait: invalid argument "); else defaults.bar_timeout = tmp; return NULL; } char * cmd_defbargravity (int interactive, void *data) { int gravity; if (data == NULL && !interactive) return xstrdup (wingravity_to_string (defaults.bar_location)); if (data == NULL) { message (" defbargravity: one argument required "); return NULL; } if ((gravity = parse_wingravity (data)) < 0) message (" defbargravity: unknown gravity "); else defaults.bar_location = gravity; return NULL; } static void update_gc (screen_info *s) { XGCValues gv; gv.foreground = s->fg_color; gv.background = s->bg_color; gv.function = GXcopy; gv.line_width = 1; gv.subwindow_mode = IncludeInferiors; gv.font = defaults.font->fid; XFreeGC (dpy, s->normal_gc); s->normal_gc = XCreateGC(dpy, s->root, GCForeground | GCBackground | GCFunction | GCLineWidth | GCSubwindowMode | GCFont, &gv); } static void update_all_gcs () { int i; for (i=0; irp_window_frame_sentinel->next; frame != current_screen()->rp_window_frame_sentinel; frame = frame->next) { int bk_pos, bk_len; /* Resize horizontally. */ bk_pos = frame->x; bk_len = frame->width; if (frame->x == defaults.padding_left) { frame->x = l; frame->width += bk_pos - l; } if (bk_pos + bk_len == current_screen()->root_attr.width - defaults.padding_right) frame->width = current_screen()->root_attr.width - r - frame->x; /* Resize vertically. */ bk_pos = frame->y; bk_len = frame->height; if (frame->y == defaults.padding_top) { frame->y = t; frame->height += bk_pos - t; } if (bk_pos + bk_len == current_screen()->root_attr.height - defaults.padding_bottom) frame->height = current_screen()->root_attr.height - b - frame->y; maximize_all_windows_in_frame (frame); } defaults.padding_left = l; defaults.padding_right = r; defaults.padding_top = t; defaults.padding_bottom = b; return NULL; } char * cmd_defborder (int interactive, void *data) { int tmp; rp_window *win; if (data == NULL && !interactive) return xsprintf ("%d", defaults.window_border_width); if (data == NULL) { message (" defborder: one argument required "); return NULL; } if (sscanf (data, "%d", &tmp) < 1 || tmp < 0) { message (" defborder: invalid argument "); return NULL; } defaults.window_border_width = tmp; /* Update all the visible windows. */ for (win = rp_mapped_window_sentinel->next; win != rp_mapped_window_sentinel; win = win->next) { if (win->frame) maximize (win); } return NULL; } char * cmd_defbarborder (int interactive, void *data) { int tmp; int i; if (data == NULL && !interactive) return xsprintf ("%d", defaults.bar_border_width); if (data == NULL) { message (" defbarborder: one argument required "); return NULL; } if (sscanf (data, "%d", &tmp) < 1 || tmp < 0) { message (" defbarborder: invalid argument "); return NULL; } defaults.bar_border_width = tmp; /* Update the frame and bar windows. */ for (i=0; idata = NULL; sbuf_free (env); return NULL; } char * cmd_getenv (int interactive, void *data) { char *var; char *result = NULL; char *value; if (data == NULL) { message (" getenv: one argument required "); return NULL; } /* Get the argument. */ var = xmalloc (strlen (data) + 1); if (sscanf (data, "%s", var) < 1) { message (" getenv: one argument required "); free (var); return NULL; } value = getenv (var); if (interactive) { marked_message_printf (0, 0, " %s ", value); return NULL; } if (value) { result = xmalloc (strlen (value) + 1); strcpy (result, getenv (var)); } return result; } /* Thanks to Gergely Nagy for the original patch. */ char * cmd_chdir (int interactive, void *data) { char *dir; if (!data) { dir = getenv ("HOME"); if (dir == NULL || *dir == '\0') { message ( " chdir : HOME not set " ); return NULL; } } else dir = (char *)data; if (chdir (dir) == -1) marked_message_printf (0, 0, " chdir: %s : %s ", dir, strerror(errno)); return NULL; } /* Thanks to Gergely Nagy for the original patch. */ char * cmd_unsetenv (int interactive, void *data) { if (data == NULL) { message (" unsetenv: one argument is required "); return NULL; } /* Remove all instances of the env. var. */ putenv ((char *)data); return NULL; } /* Thanks to Gergely Nagy for the original patch. */ char * cmd_info (int interactive, void *data) { if (current_window() == NULL) { marked_message_printf (0, 0, " (%d, %d) No window ", current_screen()->root_attr.width, current_screen()->root_attr.height); } else { rp_window *win = current_window(); marked_message_printf (0, 0, " (%d,%d) %d(%s) %s", win->width, win->height, win->number, window_name (win), win->transient ? "Transient ":""); } return NULL; } /* Thanks to Gergely Nagy for the original patch. */ char * cmd_lastmsg (int interactive, void *data) { show_last_message(); return NULL; } char * cmd_focusup (int interactive, void *data) { rp_window_frame *frame; if ((frame = find_frame_up (current_screen()->rp_current_frame))) set_active_frame (frame); return NULL; } char * cmd_focusdown (int interactive, void *data) { rp_window_frame *frame; if ((frame = find_frame_down (current_screen()->rp_current_frame))) set_active_frame (frame); return NULL; } char * cmd_focusleft (int interactive, void *data) { rp_window_frame *frame; if ((frame = find_frame_left (current_screen()->rp_current_frame))) set_active_frame (frame); return NULL; } char * cmd_focusright (int interactive, void *data) { rp_window_frame *frame; if ((frame = find_frame_right (current_screen()->rp_current_frame))) set_active_frame (frame); return NULL; } char * cmd_restart (int interactive, void *data) { hup_signalled = 1; return NULL; } char * cmd_startup_message (int interactive, void *data) { if (data == NULL && !interactive) return xsprintf ("%s", defaults.startup_message ? "on":"off"); if (data == NULL) { message (" startup_message: one argument required "); return NULL; } if (!strcasecmp (data, "on")) defaults.startup_message = 1; else if (!strcasecmp (data, "off")) defaults.startup_message = 0; else message (" startup_message: invalid argument "); return NULL; } char * cmd_focuslast (int interactive, void *data) { rp_window_frame *frame = find_last_frame(current_screen()); if (frame) set_active_frame (frame); else message (" focuslast: no other frame "); return NULL; } char * cmd_link (int interactive, void *data) { char *cmd = NULL; if (!data) return NULL; cmd = resolve_command_from_keydesc ((char *)data, 0); if (cmd) return command (interactive, cmd); return NULL; } /* Thanks to Doug Kearns for the original patch. */ char * cmd_defbarpadding (int interactive, void *data) { int x, y; if (data == NULL && !interactive) return xsprintf ("%d %d", defaults.bar_x_padding, defaults.bar_y_padding); if (data == NULL || sscanf (data, "%d %d", &x, &y) < 2) { message (" defbarpadding: two arguments required "); return NULL; } if (x >= 0 && y >= 0) { defaults.bar_x_padding = x; defaults.bar_y_padding = y; } else { message (" defbarpadding: invalid argument "); } return NULL; } /* Search the alias table for a match. If a match is found, return its index into the table. Otherwise return -1. */ static int find_alias_index (char *name) { int i; for (i=0; i= 0) { free (alias_list[index].alias); alias_list[index].alias = xstrdup (alias); } else { if (alias_list_last >= alias_list_size) { alias_list_size *= 2; alias_list = xrealloc (alias_list, sizeof (alias_t) * alias_list_size); } alias_list[alias_list_last].name = xstrdup (name); alias_list[alias_list_last].alias = xstrdup (alias); alias_list_last++; } return NULL; } char * cmd_unalias (int interactive, void *data) { char *name; int index; if (data == NULL) { message (" unalias: one argument required "); return NULL; } /* Parse out the arguments. */ name = (char *)data; /* Are we updating an existing alias, or creating a new one? */ index = find_alias_index (name); if (index >= 0) { char *tmp; alias_list_last--; /* Free the alias and put the last alias in the the space to keep alias_list from becoming sparse. This code must jump through some hoops to correctly handle the case when alias_list_last == index. */ tmp = alias_list[index].alias; alias_list[index].alias = xstrdup (alias_list[alias_list_last].alias); free (tmp); free (alias_list[alias_list_last].alias); /* Do the same for the name element. */ tmp = alias_list[index].name; alias_list[index].name = xstrdup (alias_list[alias_list_last].name); free (tmp); free (alias_list[alias_list_last].name); } else { message (" unalias: alias not found "); } return NULL; } char * cmd_nextscreen (int interactive, void *data) { int new_screen; /* No need to go through the motions when we don't have to. */ if (num_screens <= 1) { message (" nextscreen: no other screen "); return NULL; } new_screen = rp_current_screen + 1; if (new_screen >= num_screens) new_screen = 0; set_active_frame (screens[new_screen].rp_current_frame); return NULL; } char * cmd_prevscreen (int interactive, void *data) { int new_screen; /* No need to go through the motions when we don't have to. */ if (num_screens <= 1) { message (" prevscreen: no other screen "); return NULL; } new_screen = rp_current_screen - 1; if (new_screen < 0) new_screen = num_screens - 1; set_active_frame (screens[new_screen].rp_current_frame); return NULL; } char * cmd_warp (int interactive, void *data) { if (data == NULL && !interactive) return xsprintf ("%s", defaults.warp ? "on":"off"); if (data == NULL) { message (" warp: one argument required "); return NULL; } if (!strcasecmp (data, "on")) defaults.warp = 1; else if (!strcasecmp (data, "off")) defaults.warp = 0; else message (" warp: invalid argument "); return NULL; }