2 * Copyright (C) 1998-2006 Andre Noll <maan@systemlinux.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
19 /** \file gui.c ncurses-based interface for paraslash */
21 #include "gui.cmdline.h"
24 #include "ringbuffer.h"
28 extern const char *status_item_list[NUM_STAT_ITEMS];
29 static char *stat_content[NUM_STAT_ITEMS];
31 #define STANDARD_STATUS_BAR "para_gui " VERSION " (hit ? for help)"
33 static int signal_pipe;
35 static void finish(int sig);
37 static struct win_data {
43 } top, bot, sb, in, sep;
45 #define RINGBUFFER_SIZE 512
52 #define NUM_LINES(len) (1 + (len) / bot.cols)
54 static unsigned scroll_position;
56 static int external_cmd_died, curses_active;
57 static pid_t external_cmd_pid;
59 static int command_pipe = -1;
60 static int audiod_pipe = -1;
61 static struct gengetopt_args_info conf;
63 enum {GETCH_MODE, COMMAND_MODE, EXTERNAL_MODE};
66 #define COLOR_STATUSBAR 32
67 #define COLOR_COMMAND 33
68 #define COLOR_OUTPUT 34
70 #define COLOR_ERRMSG 36
71 #define COLOR_WELCOME 37
72 #define COLOR_SEPARATOR 38
79 const char *description;
80 void (*handler)(void);
86 char postfix[MAXLINE];
92 char content[MAXLINE];
95 static struct gui_theme theme;
100 static void com_help(void);
101 static void com_reread_conf(void);
102 static void com_enlarge_top_win(void);
103 static void com_shrink_top_win(void);
104 static void com_version(void);
105 static void com_quit(void);
106 static void com_refresh(void);
107 static void com_ll_incr(void);
108 static void com_ll_decr(void);
109 static void com_prev_theme(void);
110 static void com_next_theme(void);
111 static void com_scroll_up(void);
112 static void com_scroll_down(void);
113 static void com_page_up(void);
114 static void com_page_down(void);
116 struct gui_command command_list[] = {
120 .description = "print help",
124 .name = "enlarge_win",
125 .description = "enlarge the top window",
126 .handler = com_enlarge_top_win
129 .name = "shrink_win",
130 .description = "shrink the top window",
131 .handler = com_shrink_top_win
134 .name = "reread_conf",
135 .description = "reread configuration file",
136 .handler = com_reread_conf
140 .description = "exit para_gui",
145 .description = "redraw the screen",
146 .handler = com_refresh
149 .name = "next_theme",
150 .description = "switch to next theme",
151 .handler = com_next_theme
154 .name = "prev_theme",
155 .description = "switch to previous stream",
156 .handler = com_prev_theme
160 .description = "increase loglevel (decreases verbosity)",
161 .handler = com_ll_incr
165 .description = "decrease loglevel (increases verbosity)",
166 .handler = com_ll_decr
170 .description = "show the para_gui version",
171 .handler = com_version
175 .description = "scroll up one line",
176 .handler = com_scroll_up
179 .name = "scroll_down",
180 .description = "scroll down one line",
181 .handler = com_scroll_down
185 .description = "scroll up one page",
186 .handler = com_page_up
190 .description = "scroll down one page",
191 .handler = com_page_down
197 static int find_cmd_byname(char *name)
201 for (i = 0; command_list[i].handler; i++)
202 if (!strcmp(command_list[i].name, name))
207 /* taken from mutt */
208 static char *km_keyname(int c)
213 sprintf(buf, "<up>");
217 sprintf(buf, "<down>");
221 sprintf(buf, "<left>");
224 if (c == KEY_RIGHT) {
225 sprintf(buf, "<right>");
228 if (c == KEY_NPAGE) {
229 sprintf(buf, "<npage>");
232 if (c == KEY_PPAGE) {
233 sprintf(buf, "<ppage>");
236 if (c < 256 && c > -128 && iscntrl((unsigned char) c)) {
241 buf[1] = (c + '@') & 0x7f;
244 snprintf(buf, sizeof(buf), "\\%d%d%d", c >> 6,
245 (c >> 3) & 7, c & 7);
246 } else if (c >= KEY_F0 && c < KEY_F(256))
247 sprintf(buf, "<F%d>", c - KEY_F0);
249 snprintf(buf, sizeof(buf), "%c", (unsigned char) c);
251 snprintf(buf, sizeof(buf), "\\x%hx", (unsigned short) c);
255 static char *configfile_exists(void)
257 static char *config_file;
260 if (!conf.config_file_given) {
262 char *home = para_homedir();
263 config_file = make_message("%s/.paraslash/gui.conf",
269 tmp = conf.config_file_arg;
270 return file_exists(tmp)? tmp: NULL;
274 * print num spaces to curses window
276 static void add_spaces(WINDOW* win, unsigned int num)
285 * print aligned string to curses window. This function always prints
288 static int align_str(WINDOW* win, const char *string, unsigned int len,
291 int num; /* of spaces */
296 num = len - strlen(string);
297 str = para_strdup(string);
304 add_spaces(win, num);
305 } else if (align == RIGHT) {
306 add_spaces(win, num);
309 add_spaces(win, num / 2);
310 waddstr(win, str[0]? str: "");
311 add_spaces(win, num - num / 2);
317 __printf_2_3 static void print_in_bar(int color, const char *fmt,...)
323 wattron(in.win, COLOR_PAIR(color));
324 PARA_VSPRINTF(fmt, msg);
326 align_str(in.win, msg, sb.cols, LEFT);
332 * update the status bar
334 static void print_status_bar(void)
339 align_str(sb.win,STANDARD_STATUS_BAR, sb.cols, CENTER);
344 * get the number of the oldest rbe that is (partially) visible. On return,
345 * lines contains the sum of the number of lines of all visable entries. If the
346 * first one is only partially visible, lines is greater than bot.lines.
348 static int first_visible_rbe(unsigned *lines)
352 for (i = scroll_position; i < RINGBUFFER_SIZE; i++) {
353 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, i);
357 // fprintf(stderr, "found: %s\n", rbe->msg);
358 rbe_lines = NUM_LINES(rbe->len);
359 if (rbe_lines > bot.lines)
362 if (*lines >= bot.lines)
365 return RINGBUFFER_SIZE - 1;
368 static int draw_top_rbe(unsigned *lines)
371 int offset, fvr = first_visible_rbe(lines);
372 struct rb_entry *rbe;
376 wmove(bot.win, 0, 0);
377 rbe = ringbuffer_get(bot_win_rb, fvr);
380 /* first rbe might be only partially visible */
381 offset = (*lines - bot.lines) * bot.cols;
382 len = strlen(rbe->msg);
383 if (offset < 0 || len < offset)
385 wattron(bot.win, COLOR_PAIR(rbe->color));
386 waddstr(bot.win, rbe->msg + offset);
387 *lines = NUM_LINES(len - offset);
391 static void redraw_bot_win(void)
396 wmove(bot.win, 0, 0);
398 i = draw_top_rbe(&lines);
401 while (i > 0 && lines < bot.lines) {
402 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, --i);
405 waddstr(bot.win, "\n");
408 lines += NUM_LINES(rbe->len);
409 wattron(bot.win, COLOR_PAIR(rbe->color));
410 waddstr(bot.win, "\n");
411 waddstr(bot.win, rbe->msg);
417 static void rb_add_entry(int color, char *msg)
419 struct rb_entry *old, *new = para_malloc(sizeof(struct rb_entry));
422 new->len = strlen(msg);
424 old = ringbuffer_add(bot_win_rb, new);
425 // fprintf(stderr, "added: %s\n", new->msg);
430 if (scroll_position) {
431 /* discard current scrolling, like xterm does */
436 wattron(bot.win, COLOR_PAIR(color));
437 getyx(bot.win, y, x);
439 waddstr(bot.win, "\n");
440 waddstr(bot.win, msg);
444 * print formated output to bot win and refresh
446 __printf_2_3 static void outputf(int color, const char* fmt,...)
452 PARA_VSPRINTF(fmt, msg);
453 rb_add_entry(color, msg);
457 static void add_output_line(char *line)
461 rb_add_entry(COLOR_OUTPUT, para_strdup(line));
464 void para_log(int ll, const char *fmt,...)
469 if (ll < conf.loglevel_arg || !curses_active)
478 color = COLOR_ERRMSG;
480 PARA_VSPRINTF(fmt, msg);
482 rb_add_entry(color, msg);
486 static void setup_signal_handling(void)
488 signal_pipe = para_signal_init();
489 para_install_sighandler(SIGINT);
490 para_install_sighandler(SIGTERM);
491 para_install_sighandler(SIGCHLD);
492 para_install_sighandler(SIGWINCH);
493 para_install_sighandler(SIGUSR1);
494 signal(SIGPIPE, SIG_IGN);
495 signal(SIGHUP, SIG_IGN);
498 static void do_exit(int ret)
500 signal(SIGTERM, SIG_IGN);
505 static void shutdown_curses(void)
514 static void finish(int ret)
521 * exit curses and print given message to stdout/stderr
523 __printf_2_3 static void msg_n_exit(int ret, const char* fmt, ...)
526 FILE *outfd = ret? stderr: stdout;
530 vfprintf(outfd, fmt, argp);
535 static void print_welcome(void)
537 int ll = conf.loglevel_arg;
540 outputf(COLOR_WELCOME, "Welcome to para_gui " VERSION
541 " \"" CODENAME "\". Theme: %s", theme.name);
548 static void init_wins(int top_lines)
552 top.lines = top_lines;
557 bot.lines = LINES - top.lines - 3;
559 bot.begy = top.lines + 1;
574 sep.begy = top.lines;
577 assume_default_colors(theme.default_fg, theme.default_bg);
579 mvwin(top.win, top.begy, top.begx);
580 wresize(top.win, top.lines, top.cols);
582 mvwin(sb.win, sb.begy, sb.begx);
583 wresize(sb.win, sb.lines, sb.cols);
585 mvwin(sep.win, sep.begy, sep.begx);
586 wresize(sep.win, sep.lines, sep.cols);
588 mvwin(bot.win, bot.begy, bot.begx);
589 wresize(bot.win, bot.lines, bot.cols);
591 mvwin(in.win, in.begy, in.begx);
592 wresize(in.win, in.lines, in.cols);
594 sep.win = newwin(sep.lines, sep.cols, sep.begy, sep.begx);
595 top.win = newwin(top.lines, top.cols, top.begy, top.begx);
596 bot.win = newwin(bot.lines, bot.cols, bot.begy, bot.begx);
597 sb.win = newwin(sb.lines, sb.cols, sb.begy, sb.begx);
598 in.win = newwin(in.lines, in.cols, in.begy, in.begx);
599 if (!top.win || !bot.win || !sb.win || !in.win || !sep.win)
600 msg_n_exit(1, "Error: Cannot create curses windows\n");
604 scrollok(bot.win, 1);
605 wattron(sb.win, COLOR_PAIR(COLOR_STATUSBAR));
606 wattron(sep.win, COLOR_PAIR(COLOR_SEPARATOR));
607 wattron(bot.win, COLOR_PAIR(COLOR_BOT));
608 wattron(top.win, COLOR_PAIR(COLOR_TOP));
620 wmove(sep.win, 0, 0);
621 for (i = 1; i <= COLS; i++)
622 waddstr(sep.win, theme.sep_str);
625 wnoutrefresh(top.win);
626 wnoutrefresh(bot.win);
627 //wnoutrefresh(sb.win);
629 wnoutrefresh(in.win);
630 wnoutrefresh(sep.win);
634 static void check_geometry(void)
636 if (LINES < theme.lines_min || COLS < theme.cols_min)
637 msg_n_exit(EXIT_FAILURE, "Error: Terminal (%dx%d) too small"
638 " (need at least %dx%d)\n", COLS, LINES,
639 theme.cols_min, theme.lines_min);
643 * Print stat item #i to curses window
645 static void print_stat_item(int i)
648 struct stat_item_data d = theme.data[i];
649 char *c = stat_content[i];
651 if (!curses_active || !d.len || !c)
653 tmp = make_message("%s%s%s", d.prefix, c, d.postfix);
654 // PARA_DEBUG_LOG("%s: read: %s\n", __func__, tmp);
655 wmove(top.win, d.y * top.lines / 100, d.x * COLS / 100);
657 wattron(top.win, COLOR_PAIR(i + 1));
658 align_str(top.win, tmp, d.len * COLS / 100, d.align);
663 static void print_all_items(void)
669 for (i = 0; i < NUM_STAT_ITEMS; i++)
672 static void clear_all_items(void)
676 for (i = 0; i < NUM_STAT_ITEMS; i++) {
677 free(stat_content[i]);
678 stat_content[i] = para_strdup("");
682 static void init_colors(void)
686 msg_n_exit(EXIT_FAILURE, "Error: No color term\n");
688 for (i = 0; i < NUM_STAT_ITEMS; i++)
689 if (theme.data[i].len)
690 init_pair(i + 1, theme.data[i].fg, theme.data[i].bg);
691 init_pair(COLOR_STATUSBAR, theme.sb_fg, theme.sb_bg);
692 init_pair(COLOR_COMMAND, theme.cmd_fg, theme.cmd_bg);
693 init_pair(COLOR_OUTPUT, theme.output_fg, theme.output_bg);
694 init_pair(COLOR_MSG, theme.msg_fg, theme.msg_bg);
695 init_pair(COLOR_ERRMSG, theme.err_msg_fg, theme.err_msg_bg);
696 init_pair(COLOR_WELCOME, theme.welcome_fg, theme.welcome_bg);
697 init_pair(COLOR_SEPARATOR, theme.sep_fg, theme.sep_bg);
698 init_pair(COLOR_TOP, theme.default_fg, theme.default_bg);
699 init_pair(COLOR_BOT, theme.default_fg, theme.default_bg);
703 * (re-)initialize the curses library FIXME: Error checking
705 static void init_curses(void)
708 if (top.win && refresh() == ERR) { /* refesh is really needed */
709 msg_n_exit(EXIT_FAILURE, "refresh() failed\n");
712 curs_set(0); /* make cursor invisible, ignore errors */
713 // if (noraw() == ERR);
714 // msg_n_exit(EXIT_FAILURE, "can not place terminal out of "
716 nonl(); /* tell curses not to do NL->CR/NL on output */
717 noecho(); /* don't echo input */
718 cbreak(); /* take input chars one at a time, no wait for \n */
722 init_wins(theme.top_lines_default);
724 noecho(); /* don't echo input */
728 static void check_sigchld(void)
732 pid = para_reap_child();
735 if (pid == external_cmd_pid) {
736 external_cmd_pid = 0;
737 external_cmd_died = 1;
739 goto reap_next_child;
743 * print status line if line starts with known command.
745 static void check_stat_line(char *line)
749 // PARA_INFO_LOG("%s: checking: %s\n", __func__, line);
750 i = stat_line_valid(line);
752 line += strlen(status_item_list[i]) + 1;
753 free(stat_content[i]);
754 stat_content[i] = para_strdup(line);
761 * This sucker modifies its first argument. *handler and *arg are
762 * pointers to 0-terminated strings (inside line). Crap.
764 static int split_key_map(char *line, char **handler, char **arg)
766 if (!(*handler = strchr(line + 1, ':')))
770 if (!(*arg = strchr(*handler, ':')))
779 static int check_key_map_args(void)
783 char *tmp = NULL, *handler, *arg;
785 for (i = 0; i < conf.key_map_given; ++i) {
786 s = conf.key_map_arg[i];
790 tmp = para_strdup(s);
791 if (!split_key_map(tmp, &handler, &arg))
793 if (strlen(handler) != 1)
802 if (find_cmd_byname(arg) < 0)
812 * React to various signal-related events
814 static void handle_signal(int sig)
818 msg_n_exit(EXIT_FAILURE,
819 "only the good die young (caught SIGTERM))\n");
829 PARA_WARNING_LOG("%s", "caught SIGINT, reset");
830 /* Nothing to do. SIGINT killed our child, para_client stat.
831 * This get noticed by do_select which resets everything
835 PARA_NOTICE_LOG("%s", "got SIGUSR1, rereading configuration");
844 static int open_audiod_pipe(void)
852 return para_open_audiod_pipe(conf.stat_cmd_arg);
856 * This is the core select loop. Besides the (internal) signal
857 * pipe, the following other fds are checked according to the mode:
859 * GETCH_MODE: check stdin, return when key is pressed
861 * COMMAND_MODE: check command_pipe and stdin. Return when a screen full
862 * of output has been read or when other end has closed command pipe or
863 * when any key is pressed.
865 * EXTERNAL_MODE: Check only signal pipe. Used when an external command
866 * is running. During that thime curses is disabled. Returns when
867 * external_cmd_pid == 0.
869 static int do_select(int mode)
873 int max_fileno, cp_numread = 1;
874 char command_buf[STRINGSIZE] = "";
875 int cbo = 0; /* command buf offset */
878 tv.tv_sec = conf.timeout_arg / 1000;
879 tv.tv_usec = (conf.timeout_arg % 1000) * 1000;
880 // ret = refresh_status();
885 audiod_pipe = open_audiod_pipe();
886 if (audiod_pipe >= 0) {
887 FD_SET(audiod_pipe, &rfds);
888 max_fileno = MAX(max_fileno, audiod_pipe);
892 FD_SET(signal_pipe, &rfds);
893 max_fileno = MAX(max_fileno, signal_pipe);
894 /* command pipe only for COMMAND_MODE */
895 if (command_pipe >= 0 && mode == COMMAND_MODE) {
896 FD_SET(command_pipe, &rfds);
897 max_fileno = MAX(max_fileno, command_pipe);
900 FD_SET(STDIN_FILENO, &rfds);
901 ret = select(max_fileno + 1, &rfds, NULL, NULL, &tv);
902 // PARA_DEBUG_LOG("select returned %d\n", ret);
905 if (FD_ISSET(signal_pipe, &rfds)) {
906 int sig_nr = para_next_signal();
908 handle_signal(sig_nr);
911 goto check_return; /* skip fd checks */
912 /* read command pipe if ready */
913 if (command_pipe >= 0 && mode == COMMAND_MODE &&
914 FD_ISSET(command_pipe, &rfds)) {
915 cp_numread = read(command_pipe, command_buf + cbo,
916 STRINGSIZE - 1 - cbo);
921 PARA_ERROR_LOG("read error (%d)", cp_numread);
926 if (audiod_pipe >= 0 && FD_ISSET(audiod_pipe, &rfds))
927 if (read_audiod_pipe(audiod_pipe, check_stat_line) <= 0) {
931 free(stat_content[SI_STATUS_BAR]);
932 stat_content[SI_STATUS_BAR] =
933 para_strdup("audiod not running!?");
939 if (cp_numread <= 0 && !cbo) /* command complete */
942 cbo = for_each_line(command_buf, cbo, &add_output_line);
948 ret = wgetch(top.win);
949 if (ret != ERR && ret != KEY_RESIZE)
953 if (external_cmd_died) {
954 external_cmd_died = 0;
962 * read from command pipe and print data to bot window
964 static int send_output(void)
966 if (command_pipe < 0)
968 if (do_select(COMMAND_MODE) >= 0)
969 PARA_INFO_LOG("%s", "command complete");
971 PARA_NOTICE_LOG("%s", "command aborted");
972 print_in_bar(COLOR_MSG, " ");
976 static int client_cmd_cmdline(char *cmd)
979 int ret, fds[3] = {0, 1, 0};
980 char *c = make_message(BINDIR "/para_client %s", cmd);
982 outputf(COLOR_COMMAND, "%s", c);
983 print_in_bar(COLOR_MSG, "executing client command, hit q to abort\n");
984 ret = para_exec_cmdline_pid(&pid, c, fds);
988 command_pipe = fds[1];
989 return send_output();
993 * exec command and print output to bot win
995 static int display_cmd(char *cmd)
998 int fds[3] = {0, 1, 0};
1000 print_in_bar(COLOR_MSG, "executing display command, hit q to abort");
1001 outputf(COLOR_COMMAND, "%s", cmd);
1002 if (para_exec_cmdline_pid(&pid, cmd, fds) < 0)
1004 command_pipe = fds[1];
1005 return send_output();
1009 * shutdown curses and stat pipe before executing external commands
1011 static int external_cmd(char *cmd)
1013 int fds[3] = {-1, -1, -1};
1015 if (external_cmd_pid)
1018 para_exec_cmdline_pid(&external_cmd_pid, cmd, fds);
1019 do_select(EXTERNAL_MODE);
1024 static void print_scroll_msg(void)
1026 unsigned lines_total, filled = ringbuffer_filled(bot_win_rb);
1027 int first_rbe = first_visible_rbe(&lines_total);
1028 print_in_bar(COLOR_MSG, "scrolled view: %d-%d/%d\n", filled - first_rbe,
1029 filled - scroll_position, ringbuffer_filled(bot_win_rb));
1032 static void com_page_down(void)
1035 int i = scroll_position;
1036 while (lines < bot.lines && --i > 0) {
1037 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, i);
1040 lines += NUM_LINES(strlen(rbe->msg));
1043 scroll_position = i;
1048 print_in_bar(COLOR_ERRMSG, "bottom of buffer is shown\n");
1051 static void com_page_up(void)
1054 int fvr = first_visible_rbe(&lines);
1055 if (fvr < 0 || fvr + 1 >= ringbuffer_filled(bot_win_rb)) {
1056 print_in_bar(COLOR_ERRMSG, "top of buffer is shown\n");
1059 scroll_position = fvr + 1;
1060 for (; scroll_position > 0; scroll_position--) {
1061 fvr = first_visible_rbe(&lines);
1062 if (lines == bot.lines)
1069 static void com_scroll_down(void)
1071 struct rb_entry *rbe;
1074 if (!scroll_position) {
1075 print_in_bar(COLOR_ERRMSG, "bottom of buffer is shown\n");
1079 rbe = ringbuffer_get(bot_win_rb, scroll_position);
1080 rbe_lines = NUM_LINES(rbe->len);
1081 wscrl(bot.win, rbe_lines);
1082 wmove(bot.win, bot.lines - rbe_lines, 0);
1083 wattron(bot.win, COLOR_PAIR(rbe->color));
1084 waddstr(bot.win, rbe->msg);
1089 static void com_scroll_up(void)
1091 struct rb_entry *rbe = NULL;
1093 int i, first_rbe, scroll;
1095 /* the entry that is going to vanish */
1096 rbe = ringbuffer_get(bot_win_rb, scroll_position);
1099 scroll = NUM_LINES(rbe->len);
1100 first_rbe = first_visible_rbe(&lines);
1101 if (first_rbe < 0 || (first_rbe == ringbuffer_filled(bot_win_rb) - 1))
1104 wscrl(bot.win, -scroll);
1105 i = draw_top_rbe(&lines);
1108 while (i > 0 && lines < scroll) {
1110 rbe = ringbuffer_get(bot_win_rb, --i);
1113 rbe_lines = NUM_LINES(rbe->len);
1115 // fprintf(stderr, "msg: %s\n", rbe->msg);
1116 wattron(bot.win, COLOR_PAIR(rbe->color));
1117 waddstr(bot.win, "\n");
1118 waddstr(bot.win, rbe->msg);
1127 print_in_bar(COLOR_ERRMSG, "top of buffer is shown\n");
1130 static void com_ll_decr(void)
1132 if (conf.loglevel_arg <= DEBUG) {
1133 print_in_bar(COLOR_ERRMSG,
1134 "loglevel already at maximal verbosity\n");
1137 conf.loglevel_arg--;
1138 print_in_bar(COLOR_MSG, "loglevel set to %d\n", conf.loglevel_arg);
1141 static void com_ll_incr(void)
1143 if (conf.loglevel_arg >= EMERG) {
1144 print_in_bar(COLOR_ERRMSG,
1145 "loglevel already at miminal verbosity\n");
1148 conf.loglevel_arg++;
1149 print_in_bar(COLOR_MSG, "loglevel set to %d\n", conf.loglevel_arg);
1153 * reread configuration, terminate on errors
1155 static void com_reread_conf(void)
1157 char *cf =configfile_exists();
1160 PARA_WARNING_LOG("%s", "there is no configuration to read");
1163 PARA_INFO_LOG("%s", "rereading command line options and config file");
1164 cmdline_parser(_argc, _argv, &conf);
1165 cmdline_parser_configfile(cf, &conf, 1, 1, 0);
1166 PARA_NOTICE_LOG("%s", "configuration read");
1167 if (check_key_map_args() < 0)
1168 finish(EXIT_FAILURE);
1171 static void com_help(void)
1175 for (i = 0; i < conf.key_map_given; ++i) {
1176 char *handler, *arg, *tmp = para_strdup(conf.key_map_arg[i]);
1177 const char *handler_text = "???", *desc = NULL;
1179 if (!split_key_map(tmp, &handler, &arg)) {
1185 handler_text = "internal";
1186 desc = command_list[find_cmd_byname(arg)].description;
1188 case 'x': handler_text = "external"; break;
1189 case 'd': handler_text = "display "; break;
1190 case 'p': handler_text = "para "; break;
1192 outputf(COLOR_MSG, "%s\t%s\t%s%s\t%s", tmp, handler_text, arg,
1193 strlen(arg) < 8? "\t" : "",
1197 for (i = 0; command_list[i].handler; i++) {
1198 struct gui_command gc = command_list[i];
1200 outputf(COLOR_MSG, "%s\tinternal\t%s\t%s%s", gc.key, gc.name,
1201 strlen(gc.name) < 8? "\t" : "",
1204 print_in_bar(COLOR_MSG, "try \"para_gui -h\" or \"para_client help\" "
1208 static void com_shrink_top_win(void)
1210 if (top.lines <= theme.top_lines_min) {
1211 PARA_WARNING_LOG("%s", "can not decrease top window");
1214 init_wins(top.lines - 1);
1217 print_in_bar(COLOR_MSG, "%s", "decreased top window");
1220 static void com_enlarge_top_win(void)
1222 if (bot.lines < 3) {
1223 PARA_WARNING_LOG("%s", "can not increase top window");
1226 init_wins(top.lines + 1);
1229 print_in_bar(COLOR_MSG, "increased top window");
1232 static void com_version(void)
1234 print_in_bar(COLOR_MSG, "para_gui " VERSION " \"" CODENAME "\"");
1237 static void com_quit(void)
1242 static void com_refresh(void)
1248 static void change_theme(int next)
1254 /* This seems to be needed twice, why? */
1257 PARA_NOTICE_LOG("new theme: %s", theme.name);
1260 static void com_next_theme(void)
1265 static void com_prev_theme(void)
1271 static void handle_command(int c)
1275 /* first check user's key bindings */
1276 for (i = 0; i < conf.key_map_given; ++i) {
1277 char tmp[MAXLINE], *handler, *arg;
1279 strcpy(tmp, conf.key_map_arg[i]);
1280 if (!split_key_map(tmp, &handler, &arg))
1282 if (!strcmp(tmp, km_keyname(c))) {
1283 if (*handler == 'd') {
1287 if (*handler == 'x') {
1291 if (*handler == 'p') {
1292 client_cmd_cmdline(arg);
1295 if (*handler == 'i') {
1296 int num = find_cmd_byname(arg);
1298 command_list[num].handler();
1303 /* not found, check internal key bindings */
1304 for (i = 0; command_list[i].handler; i++) {
1305 if (!strcmp(km_keyname(c), command_list[i].key)) {
1306 command_list[i].handler();
1310 print_in_bar(COLOR_ERRMSG, "key '%s' is not bound, press ? for help",
1314 int main(int argc, char *argv[])
1322 if (cmdline_parser(argc, argv, &conf)) {
1323 fprintf(stderr, "parse error while reading command line\n");
1326 init_theme(0, &theme);
1327 top.lines = theme.top_lines_default;
1328 if (check_key_map_args() < 0) {
1329 fprintf(stderr, "invalid key map\n");
1332 cf = configfile_exists();
1333 if (!cf && conf.config_file_given) {
1334 fprintf(stderr, "can not read config file %s\n",
1335 conf.config_file_arg);
1339 cmdline_parser_configfile(cf, &conf, 0, 0, 0);
1340 if (check_key_map_args() < 0) {
1341 fprintf(stderr, "invalid key map in config file\n");
1344 setup_signal_handling();
1345 bot_win_rb = ringbuffer_new(RINGBUFFER_SIZE);
1346 initscr(); /* needed only once, always successful */
1351 ret = do_select(GETCH_MODE);
1354 print_in_bar(COLOR_MSG, " ");
1355 handle_command(ret);