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"
30 /** define the array of error lists needed by para_gui */
32 extern const char *status_item_list[NUM_STAT_ITEMS];
33 static char *stat_content[NUM_STAT_ITEMS];
35 #define STANDARD_STATUS_BAR "para_gui " PACKAGE_VERSION " (hit ? for help)"
37 static int signal_pipe;
39 static void finish(int sig);
41 static struct win_data {
47 } top, bot, sb, in, sep;
49 #define RINGBUFFER_SIZE 512
56 #define NUM_LINES(len) (1 + (len) / bot.cols)
58 static unsigned scroll_position;
60 static int cmd_died, curses_active;
63 static int command_pipe = -1;
64 static int audiod_pipe = -1;
65 static struct gui_args_info conf;
67 enum {GETCH_MODE, COMMAND_MODE, EXTERNAL_MODE};
70 #define COLOR_STATUSBAR 32
71 #define COLOR_COMMAND 33
72 #define COLOR_OUTPUT 34
74 #define COLOR_ERRMSG 36
75 #define COLOR_WELCOME 37
76 #define COLOR_SEPARATOR 38
83 const char *description;
84 void (*handler)(void);
90 char postfix[MAXLINE];
96 char content[MAXLINE];
99 static struct gui_theme theme;
104 static void com_help(void);
105 static void com_reread_conf(void);
106 static void com_enlarge_top_win(void);
107 static void com_shrink_top_win(void);
108 static void com_version(void);
109 static void com_quit(void);
110 static void com_refresh(void);
111 static void com_ll_incr(void);
112 static void com_ll_decr(void);
113 static void com_prev_theme(void);
114 static void com_next_theme(void);
115 static void com_scroll_up(void);
116 static void com_scroll_down(void);
117 static void com_page_up(void);
118 static void com_page_down(void);
120 struct gui_command command_list[] = {
124 .description = "print help",
128 .name = "enlarge_win",
129 .description = "enlarge the top window",
130 .handler = com_enlarge_top_win
133 .name = "shrink_win",
134 .description = "shrink the top window",
135 .handler = com_shrink_top_win
138 .name = "reread_conf",
139 .description = "reread configuration file",
140 .handler = com_reread_conf
144 .description = "exit para_gui",
149 .description = "redraw the screen",
150 .handler = com_refresh
153 .name = "next_theme",
154 .description = "switch to next theme",
155 .handler = com_next_theme
158 .name = "prev_theme",
159 .description = "switch to previous stream",
160 .handler = com_prev_theme
164 .description = "increase loglevel (decreases verbosity)",
165 .handler = com_ll_incr
169 .description = "decrease loglevel (increases verbosity)",
170 .handler = com_ll_decr
174 .description = "show the para_gui version",
175 .handler = com_version
179 .description = "scroll up one line",
180 .handler = com_scroll_up
183 .name = "scroll_down",
184 .description = "scroll down one line",
185 .handler = com_scroll_down
189 .description = "scroll up one page",
190 .handler = com_page_up
194 .description = "scroll down one page",
195 .handler = com_page_down
201 static int find_cmd_byname(char *name)
205 for (i = 0; command_list[i].handler; i++)
206 if (!strcmp(command_list[i].name, name))
211 /* taken from mutt */
212 static char *km_keyname(int c)
217 sprintf(buf, "<up>");
221 sprintf(buf, "<down>");
225 sprintf(buf, "<left>");
228 if (c == KEY_RIGHT) {
229 sprintf(buf, "<right>");
232 if (c == KEY_NPAGE) {
233 sprintf(buf, "<npage>");
236 if (c == KEY_PPAGE) {
237 sprintf(buf, "<ppage>");
240 if (c < 256 && c > -128 && iscntrl((unsigned char) c)) {
245 buf[1] = (c + '@') & 0x7f;
248 snprintf(buf, sizeof(buf), "\\%d%d%d", c >> 6,
249 (c >> 3) & 7, c & 7);
250 } else if (c >= KEY_F0 && c < KEY_F(256))
251 sprintf(buf, "<F%d>", c - KEY_F0);
253 snprintf(buf, sizeof(buf), "%c", (unsigned char) c);
255 snprintf(buf, sizeof(buf), "\\x%hx", (unsigned short) c);
259 static char *configfile_exists(void)
261 static char *config_file;
264 if (!conf.config_file_given) {
266 char *home = para_homedir();
267 config_file = make_message("%s/.paraslash/gui.conf",
273 tmp = conf.config_file_arg;
274 return file_exists(tmp)? tmp: NULL;
278 * print num spaces to curses window
280 static void add_spaces(WINDOW* win, unsigned int num)
289 * print aligned string to curses window. This function always prints
292 static int align_str(WINDOW* win, const char *string, unsigned int len,
295 int num; /* of spaces */
300 num = len - strlen(string);
301 str = para_strdup(string);
308 add_spaces(win, num);
309 } else if (align == RIGHT) {
310 add_spaces(win, num);
313 add_spaces(win, num / 2);
314 waddstr(win, str[0]? str: "");
315 add_spaces(win, num - num / 2);
321 __printf_2_3 static void print_in_bar(int color, const char *fmt,...)
327 wattron(in.win, COLOR_PAIR(color));
328 PARA_VSPRINTF(fmt, msg);
330 align_str(in.win, msg, sb.cols, LEFT);
336 * update the status bar
338 static void print_status_bar(void)
343 align_str(sb.win, STANDARD_STATUS_BAR, sb.cols, CENTER);
348 * get the number of the oldest rbe that is (partially) visible. On return,
349 * lines contains the sum of the number of lines of all visable entries. If the
350 * first one is only partially visible, lines is greater than bot.lines.
352 static int first_visible_rbe(unsigned *lines)
356 for (i = scroll_position; i < RINGBUFFER_SIZE; i++) {
357 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, i);
361 // fprintf(stderr, "found: %s\n", rbe->msg);
362 rbe_lines = NUM_LINES(rbe->len);
363 if (rbe_lines > bot.lines)
366 if (*lines >= bot.lines)
369 return RINGBUFFER_SIZE - 1;
372 static int draw_top_rbe(unsigned *lines)
375 int offset, fvr = first_visible_rbe(lines);
376 struct rb_entry *rbe;
380 wmove(bot.win, 0, 0);
381 rbe = ringbuffer_get(bot_win_rb, fvr);
384 /* first rbe might be only partially visible */
385 offset = (*lines - bot.lines) * bot.cols;
386 len = strlen(rbe->msg);
387 if (offset < 0 || len < offset)
389 wattron(bot.win, COLOR_PAIR(rbe->color));
390 waddstr(bot.win, rbe->msg + offset);
391 *lines = NUM_LINES(len - offset);
395 static void redraw_bot_win(void)
400 wmove(bot.win, 0, 0);
402 i = draw_top_rbe(&lines);
405 while (i > 0 && lines < bot.lines) {
406 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, --i);
409 waddstr(bot.win, "\n");
412 lines += NUM_LINES(rbe->len);
413 wattron(bot.win, COLOR_PAIR(rbe->color));
414 waddstr(bot.win, "\n");
415 waddstr(bot.win, rbe->msg);
421 static void rb_add_entry(int color, char *msg)
423 struct rb_entry *old, *new = para_malloc(sizeof(struct rb_entry));
426 new->len = strlen(msg);
428 old = ringbuffer_add(bot_win_rb, new);
429 // fprintf(stderr, "added: %s\n", new->msg);
434 if (scroll_position) {
435 /* discard current scrolling, like xterm does */
440 wattron(bot.win, COLOR_PAIR(color));
441 getyx(bot.win, y, x);
443 waddstr(bot.win, "\n");
444 waddstr(bot.win, msg);
448 * print formated output to bot win and refresh
450 __printf_2_3 static void outputf(int color, const char* fmt,...)
456 PARA_VSPRINTF(fmt, msg);
457 rb_add_entry(color, msg);
461 static void add_output_line(char *line)
465 rb_add_entry(COLOR_OUTPUT, para_strdup(line));
468 void para_log(int ll, const char *fmt,...)
473 if (ll < conf.loglevel_arg || !curses_active)
482 color = COLOR_ERRMSG;
484 PARA_VSPRINTF(fmt, msg);
486 rb_add_entry(color, msg);
490 static void setup_signal_handling(void)
492 signal_pipe = para_signal_init();
493 para_install_sighandler(SIGINT);
494 para_install_sighandler(SIGTERM);
495 para_install_sighandler(SIGCHLD);
496 para_install_sighandler(SIGWINCH);
497 para_install_sighandler(SIGUSR1);
498 signal(SIGPIPE, SIG_IGN);
499 signal(SIGHUP, SIG_IGN);
502 static void do_exit(int ret)
504 signal(SIGTERM, SIG_IGN);
509 static void shutdown_curses(void)
518 static void finish(int ret)
525 * exit curses and print given message to stdout/stderr
527 __printf_2_3 static void msg_n_exit(int ret, const char* fmt, ...)
530 FILE *outfd = ret? stderr: stdout;
534 vfprintf(outfd, fmt, argp);
539 static void print_welcome(void)
541 int ll = conf.loglevel_arg;
544 outputf(COLOR_WELCOME, "Welcome to para_gui " PACKAGE_VERSION
545 " \"" CODENAME "\". Theme: %s", theme.name);
552 static void init_wins(int top_lines)
556 top.lines = top_lines;
561 bot.lines = LINES - top.lines - 3;
563 bot.begy = top.lines + 1;
578 sep.begy = top.lines;
581 assume_default_colors(theme.default_fg, theme.default_bg);
583 mvwin(top.win, top.begy, top.begx);
584 wresize(top.win, top.lines, top.cols);
586 mvwin(sb.win, sb.begy, sb.begx);
587 wresize(sb.win, sb.lines, sb.cols);
589 mvwin(sep.win, sep.begy, sep.begx);
590 wresize(sep.win, sep.lines, sep.cols);
592 mvwin(bot.win, bot.begy, bot.begx);
593 wresize(bot.win, bot.lines, bot.cols);
595 mvwin(in.win, in.begy, in.begx);
596 wresize(in.win, in.lines, in.cols);
598 sep.win = newwin(sep.lines, sep.cols, sep.begy, sep.begx);
599 top.win = newwin(top.lines, top.cols, top.begy, top.begx);
600 bot.win = newwin(bot.lines, bot.cols, bot.begy, bot.begx);
601 sb.win = newwin(sb.lines, sb.cols, sb.begy, sb.begx);
602 in.win = newwin(in.lines, in.cols, in.begy, in.begx);
603 if (!top.win || !bot.win || !sb.win || !in.win || !sep.win)
604 msg_n_exit(1, "Error: Cannot create curses windows\n");
608 scrollok(bot.win, 1);
609 wattron(sb.win, COLOR_PAIR(COLOR_STATUSBAR));
610 wattron(sep.win, COLOR_PAIR(COLOR_SEPARATOR));
611 wattron(bot.win, COLOR_PAIR(COLOR_BOT));
612 wattron(top.win, COLOR_PAIR(COLOR_TOP));
624 wmove(sep.win, 0, 0);
625 for (i = 1; i <= COLS; i++)
626 waddstr(sep.win, theme.sep_str);
629 wnoutrefresh(top.win);
630 wnoutrefresh(bot.win);
631 //wnoutrefresh(sb.win);
633 wnoutrefresh(in.win);
634 wnoutrefresh(sep.win);
638 static void check_geometry(void)
640 if (LINES < theme.lines_min || COLS < theme.cols_min)
641 msg_n_exit(EXIT_FAILURE, "Error: Terminal (%dx%d) too small"
642 " (need at least %dx%d)\n", COLS, LINES,
643 theme.cols_min, theme.lines_min);
647 * Print stat item #i to curses window
649 static void print_stat_item(int i)
652 struct stat_item_data d = theme.data[i];
653 char *c = stat_content[i];
655 if (!curses_active || !d.len || !c)
657 tmp = make_message("%s%s%s", d.prefix, c, d.postfix);
658 // PARA_DEBUG_LOG("%s: read: %s\n", __func__, tmp);
659 wmove(top.win, d.y * top.lines / 100, d.x * COLS / 100);
661 wattron(top.win, COLOR_PAIR(i + 1));
662 align_str(top.win, tmp, d.len * COLS / 100, d.align);
667 static void print_all_items(void)
673 for (i = 0; i < NUM_STAT_ITEMS; i++)
676 static void clear_all_items(void)
680 for (i = 0; i < NUM_STAT_ITEMS; i++) {
681 free(stat_content[i]);
682 stat_content[i] = para_strdup("");
686 static void init_colors(void)
690 msg_n_exit(EXIT_FAILURE, "Error: No color term\n");
692 for (i = 0; i < NUM_STAT_ITEMS; i++)
693 if (theme.data[i].len)
694 init_pair(i + 1, theme.data[i].fg, theme.data[i].bg);
695 init_pair(COLOR_STATUSBAR, theme.sb_fg, theme.sb_bg);
696 init_pair(COLOR_COMMAND, theme.cmd_fg, theme.cmd_bg);
697 init_pair(COLOR_OUTPUT, theme.output_fg, theme.output_bg);
698 init_pair(COLOR_MSG, theme.msg_fg, theme.msg_bg);
699 init_pair(COLOR_ERRMSG, theme.err_msg_fg, theme.err_msg_bg);
700 init_pair(COLOR_WELCOME, theme.welcome_fg, theme.welcome_bg);
701 init_pair(COLOR_SEPARATOR, theme.sep_fg, theme.sep_bg);
702 init_pair(COLOR_TOP, theme.default_fg, theme.default_bg);
703 init_pair(COLOR_BOT, theme.default_fg, theme.default_bg);
707 * (re-)initialize the curses library FIXME: Error checking
709 static void init_curses(void)
712 if (top.win && refresh() == ERR) { /* refesh is really needed */
713 msg_n_exit(EXIT_FAILURE, "refresh() failed\n");
716 curs_set(0); /* make cursor invisible, ignore errors */
717 // if (noraw() == ERR);
718 // msg_n_exit(EXIT_FAILURE, "can not place terminal out of "
720 nonl(); /* tell curses not to do NL->CR/NL on output */
721 noecho(); /* don't echo input */
722 cbreak(); /* take input chars one at a time, no wait for \n */
726 init_wins(theme.top_lines_default);
728 noecho(); /* don't echo input */
732 static void check_sigchld(void)
736 pid = para_reap_child();
739 if (pid == cmd_pid) {
743 goto reap_next_child;
747 * print status line if line starts with known command.
749 static void check_stat_line(char *line)
753 // PARA_INFO_LOG("%s: checking: %s\n", __func__, line);
754 i = stat_line_valid(line);
756 line += strlen(status_item_list[i]) + 1;
757 free(stat_content[i]);
758 stat_content[i] = para_strdup(line);
765 * This sucker modifies its first argument. *handler and *arg are
766 * pointers to 0-terminated strings (inside line). Crap.
768 static int split_key_map(char *line, char **handler, char **arg)
770 if (!(*handler = strchr(line + 1, ':')))
774 if (!(*arg = strchr(*handler, ':')))
783 static int check_key_map_args(void)
787 char *tmp = NULL, *handler, *arg;
789 for (i = 0; i < conf.key_map_given; ++i) {
790 s = conf.key_map_arg[i];
794 tmp = para_strdup(s);
795 if (!split_key_map(tmp, &handler, &arg))
797 if (strlen(handler) != 1)
806 if (find_cmd_byname(arg) < 0)
816 * React to various signal-related events
818 static void handle_signal(int sig)
822 msg_n_exit(EXIT_FAILURE,
823 "only the good die young (caught SIGTERM))\n");
833 PARA_WARNING_LOG("%s", "caught SIGINT, reset");
834 /* Nothing to do. SIGINT killed our child, para_client stat.
835 * This get noticed by do_select which resets everything
839 PARA_NOTICE_LOG("%s", "got SIGUSR1, rereading configuration");
848 static int open_audiod_pipe(void)
856 return para_open_audiod_pipe(conf.stat_cmd_arg);
860 * This is the core select loop. Besides the (internal) signal
861 * pipe, the following other fds are checked according to the mode:
863 * GETCH_MODE: check stdin, return when key is pressed
865 * COMMAND_MODE: check command_pipe and stdin. Return when a screen full
866 * of output has been read or when other end has closed command pipe or
867 * when any key is pressed.
869 * EXTERNAL_MODE: Check only signal pipe. Used when an external command
870 * is running. During that thime curses is disabled. Returns when
873 static int do_select(int mode)
877 int max_fileno, cp_numread = 1;
878 char command_buf[STRINGSIZE] = "";
879 int cbo = 0; /* command buf offset */
882 tv.tv_sec = conf.timeout_arg / 1000;
883 tv.tv_usec = (conf.timeout_arg % 1000) * 1000;
884 // ret = refresh_status();
889 audiod_pipe = open_audiod_pipe();
890 if (audiod_pipe >= 0)
891 para_fd_set(audiod_pipe, &rfds, &max_fileno);
893 para_fd_set(signal_pipe, &rfds, &max_fileno);
894 /* command pipe only for COMMAND_MODE */
895 if (command_pipe >= 0 && mode == COMMAND_MODE)
896 para_fd_set(command_pipe, &rfds, &max_fileno);
897 ret = para_select(max_fileno + 1, &rfds, NULL, &tv);
899 goto check_return; /* skip fd checks */
901 if (FD_ISSET(signal_pipe, &rfds)) {
902 int sig_nr = para_next_signal();
904 handle_signal(sig_nr);
906 /* read command pipe if ready */
907 if (command_pipe >= 0 && mode == COMMAND_MODE &&
908 FD_ISSET(command_pipe, &rfds)) {
909 cp_numread = read(command_pipe, command_buf + cbo,
910 STRINGSIZE - 1 - cbo);
915 PARA_ERROR_LOG("read error (%d)", cp_numread);
920 if (audiod_pipe >= 0 && FD_ISSET(audiod_pipe, &rfds))
921 if (read_audiod_pipe(audiod_pipe, check_stat_line) <= 0) {
925 free(stat_content[SI_STATUS_BAR]);
926 stat_content[SI_STATUS_BAR] =
927 para_strdup("audiod not running!?");
933 if (cp_numread <= 0 && !cbo) /* command complete */
936 cbo = for_each_line(command_buf, cbo, &add_output_line);
940 ret = wgetch(top.win);
941 if (ret != ERR && ret != KEY_RESIZE) {
947 kill(cmd_pid, SIGTERM);
952 ret = wgetch(top.win);
953 if (ret != ERR && ret != KEY_RESIZE)
966 * read from command pipe and print data to bot window
968 static int send_output(void)
970 if (command_pipe < 0)
972 if (do_select(COMMAND_MODE) >= 0)
973 PARA_INFO_LOG("%s", "command complete");
975 PARA_NOTICE_LOG("%s", "command aborted");
976 print_in_bar(COLOR_MSG, " ");
980 static int client_cmd_cmdline(char *cmd)
982 int ret, fds[3] = {0, 1, 0};
983 char *c = make_message(BINDIR "/para_client %s", cmd);
985 outputf(COLOR_COMMAND, "%s", c);
986 print_in_bar(COLOR_MSG, "executing client command, hit any key to abort\n");
987 ret = para_exec_cmdline_pid(&cmd_pid, c, fds);
991 command_pipe = fds[1];
992 return send_output();
996 * exec command and print output to bot win
998 static int display_cmd(char *cmd)
1000 int fds[3] = {0, 1, 0};
1002 print_in_bar(COLOR_MSG, "executing display command, hit any key to abort");
1003 outputf(COLOR_COMMAND, "%s", cmd);
1004 if (para_exec_cmdline_pid(&cmd_pid, cmd, fds) < 0)
1006 command_pipe = fds[1];
1007 return send_output();
1011 * shutdown curses and stat pipe before executing external commands
1013 static int external_cmd(char *cmd)
1015 int fds[3] = {-1, -1, -1};
1020 para_exec_cmdline_pid(&cmd_pid, cmd, fds);
1022 do_select(EXTERNAL_MODE);
1027 static void print_scroll_msg(void)
1029 unsigned lines_total, filled = ringbuffer_filled(bot_win_rb);
1030 int first_rbe = first_visible_rbe(&lines_total);
1031 print_in_bar(COLOR_MSG, "scrolled view: %d-%d/%d\n", filled - first_rbe,
1032 filled - scroll_position, ringbuffer_filled(bot_win_rb));
1035 static void com_page_down(void)
1038 int i = scroll_position;
1039 while (lines < bot.lines && --i > 0) {
1040 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, i);
1043 lines += NUM_LINES(strlen(rbe->msg));
1046 scroll_position = i;
1051 print_in_bar(COLOR_ERRMSG, "bottom of buffer is shown\n");
1054 static void com_page_up(void)
1057 int fvr = first_visible_rbe(&lines);
1058 if (fvr < 0 || fvr + 1 >= ringbuffer_filled(bot_win_rb)) {
1059 print_in_bar(COLOR_ERRMSG, "top of buffer is shown\n");
1062 scroll_position = fvr + 1;
1063 for (; scroll_position > 0; scroll_position--) {
1064 fvr = first_visible_rbe(&lines);
1065 if (lines == bot.lines)
1072 static void com_scroll_down(void)
1074 struct rb_entry *rbe;
1077 if (!scroll_position) {
1078 print_in_bar(COLOR_ERRMSG, "bottom of buffer is shown\n");
1082 rbe = ringbuffer_get(bot_win_rb, scroll_position);
1083 rbe_lines = NUM_LINES(rbe->len);
1084 wscrl(bot.win, rbe_lines);
1085 wmove(bot.win, bot.lines - rbe_lines, 0);
1086 wattron(bot.win, COLOR_PAIR(rbe->color));
1087 waddstr(bot.win, rbe->msg);
1092 static void com_scroll_up(void)
1094 struct rb_entry *rbe = NULL;
1096 int i, first_rbe, num_scroll;
1098 /* the entry that is going to vanish */
1099 rbe = ringbuffer_get(bot_win_rb, scroll_position);
1102 num_scroll = NUM_LINES(rbe->len);
1103 first_rbe = first_visible_rbe(&lines);
1104 if (first_rbe < 0 || (first_rbe == ringbuffer_filled(bot_win_rb) - 1))
1107 wscrl(bot.win, -num_scroll);
1108 i = draw_top_rbe(&lines);
1111 while (i > 0 && lines < num_scroll) {
1113 rbe = ringbuffer_get(bot_win_rb, --i);
1116 rbe_lines = NUM_LINES(rbe->len);
1118 // fprintf(stderr, "msg: %s\n", rbe->msg);
1119 wattron(bot.win, COLOR_PAIR(rbe->color));
1120 waddstr(bot.win, "\n");
1121 waddstr(bot.win, rbe->msg);
1130 print_in_bar(COLOR_ERRMSG, "top of buffer is shown\n");
1133 static void com_ll_decr(void)
1135 if (conf.loglevel_arg <= DEBUG) {
1136 print_in_bar(COLOR_ERRMSG,
1137 "loglevel already at maximal verbosity\n");
1140 conf.loglevel_arg--;
1141 print_in_bar(COLOR_MSG, "loglevel set to %d\n", conf.loglevel_arg);
1144 static void com_ll_incr(void)
1146 if (conf.loglevel_arg >= EMERG) {
1147 print_in_bar(COLOR_ERRMSG,
1148 "loglevel already at miminal verbosity\n");
1151 conf.loglevel_arg++;
1152 print_in_bar(COLOR_MSG, "loglevel set to %d\n", conf.loglevel_arg);
1156 * reread configuration, terminate on errors
1158 static void com_reread_conf(void)
1160 char *cf =configfile_exists();
1163 PARA_WARNING_LOG("%s", "there is no configuration to read");
1166 PARA_INFO_LOG("%s", "rereading command line options and config file");
1167 gui_cmdline_parser(_argc, _argv, &conf);
1168 gui_cmdline_parser_configfile(cf, &conf, 1, 1, 0);
1169 PARA_NOTICE_LOG("%s", "config file reloaded");
1170 if (check_key_map_args() < 0)
1171 finish(EXIT_FAILURE);
1174 static void com_help(void)
1178 for (i = 0; i < conf.key_map_given; ++i) {
1179 char *handler, *arg, *tmp = para_strdup(conf.key_map_arg[i]);
1180 const char *handler_text = "???", *desc = NULL;
1182 if (!split_key_map(tmp, &handler, &arg)) {
1188 handler_text = "internal";
1189 desc = command_list[find_cmd_byname(arg)].description;
1191 case 'x': handler_text = "external"; break;
1192 case 'd': handler_text = "display "; break;
1193 case 'p': handler_text = "para "; break;
1195 outputf(COLOR_MSG, "%s\t%s\t%s%s\t%s", tmp, handler_text, arg,
1196 strlen(arg) < 8? "\t" : "",
1200 for (i = 0; command_list[i].handler; i++) {
1201 struct gui_command gc = command_list[i];
1203 outputf(COLOR_MSG, "%s\tinternal\t%s\t%s%s", gc.key, gc.name,
1204 strlen(gc.name) < 8? "\t" : "",
1207 print_in_bar(COLOR_MSG, "try \"para_gui -h\" or \"para_client help\" "
1211 static void com_shrink_top_win(void)
1213 if (top.lines <= theme.top_lines_min) {
1214 PARA_WARNING_LOG("%s", "can not decrease top window");
1217 init_wins(top.lines - 1);
1220 print_in_bar(COLOR_MSG, "%s", "decreased top window");
1223 static void com_enlarge_top_win(void)
1225 if (bot.lines < 3) {
1226 PARA_WARNING_LOG("%s", "can not increase top window");
1229 init_wins(top.lines + 1);
1232 print_in_bar(COLOR_MSG, "increased top window");
1235 static void com_version(void)
1237 print_in_bar(COLOR_MSG, "para_gui " PACKAGE_VERSION " \""
1241 static void com_quit(void)
1246 static void com_refresh(void)
1252 static void change_theme(int next)
1258 /* This seems to be needed twice, why? */
1261 PARA_NOTICE_LOG("new theme: %s", theme.name);
1264 static void com_next_theme(void)
1269 static void com_prev_theme(void)
1275 static void handle_command(int c)
1279 /* first check user's key bindings */
1280 for (i = 0; i < conf.key_map_given; ++i) {
1281 char tmp[MAXLINE], *handler, *arg;
1283 strcpy(tmp, conf.key_map_arg[i]);
1284 if (!split_key_map(tmp, &handler, &arg))
1286 if (!strcmp(tmp, km_keyname(c))) {
1287 if (*handler == 'd') {
1291 if (*handler == 'x') {
1295 if (*handler == 'p') {
1296 client_cmd_cmdline(arg);
1299 if (*handler == 'i') {
1300 int num = find_cmd_byname(arg);
1302 command_list[num].handler();
1307 /* not found, check internal key bindings */
1308 for (i = 0; command_list[i].handler; i++) {
1309 if (!strcmp(km_keyname(c), command_list[i].key)) {
1310 command_list[i].handler();
1314 print_in_bar(COLOR_ERRMSG, "key '%s' is not bound, press ? for help",
1318 int main(int argc, char *argv[])
1326 if (gui_cmdline_parser(argc, argv, &conf)) {
1327 fprintf(stderr, "parse error while reading command line\n");
1330 init_theme(0, &theme);
1331 top.lines = theme.top_lines_default;
1332 if (check_key_map_args() < 0) {
1333 fprintf(stderr, "invalid key map\n");
1336 cf = configfile_exists();
1337 if (!cf && conf.config_file_given) {
1338 fprintf(stderr, "can not read config file %s\n",
1339 conf.config_file_arg);
1343 gui_cmdline_parser_configfile(cf, &conf, 0, 0, 0);
1344 if (check_key_map_args() < 0) {
1345 fprintf(stderr, "invalid key map in config file\n");
1348 setup_signal_handling();
1349 bot_win_rb = ringbuffer_new(RINGBUFFER_SIZE);
1350 initscr(); /* needed only once, always successful */
1355 ret = do_select(GETCH_MODE);
1358 print_in_bar(COLOR_MSG, " ");
1359 handle_command(ret);