2 * Copyright (C) 1998-2007 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"
25 #include "ringbuffer.h"
31 /** define the array of error lists needed by para_gui */
33 extern const char *status_item_list[NUM_STAT_ITEMS];
34 static char *stat_content[NUM_STAT_ITEMS];
36 #define STANDARD_STATUS_BAR "para_gui " PACKAGE_VERSION " (hit ? for help)"
38 static int signal_pipe;
40 static void finish(int sig);
42 static struct win_data {
48 } top, bot, sb, in, sep;
50 #define RINGBUFFER_SIZE 512
57 #define NUM_LINES(len) (1 + (len) / bot.cols)
59 static unsigned scroll_position;
61 static int cmd_died, curses_active;
64 static int command_pipe = -1;
65 static int audiod_pipe = -1;
66 static struct gui_args_info conf;
68 enum {GETCH_MODE, COMMAND_MODE, EXTERNAL_MODE};
71 #define COLOR_STATUSBAR 32
72 #define COLOR_COMMAND 33
73 #define COLOR_OUTPUT 34
75 #define COLOR_ERRMSG 36
76 #define COLOR_WELCOME 37
77 #define COLOR_SEPARATOR 38
84 const char *description;
85 void (*handler)(void);
91 char postfix[MAXLINE];
97 char content[MAXLINE];
100 static struct gui_theme theme;
105 static void com_help(void);
106 static void com_reread_conf(void);
107 static void com_enlarge_top_win(void);
108 static void com_shrink_top_win(void);
109 static void com_version(void);
110 static void com_quit(void);
111 static void com_refresh(void);
112 static void com_ll_incr(void);
113 static void com_ll_decr(void);
114 static void com_prev_theme(void);
115 static void com_next_theme(void);
116 static void com_scroll_up(void);
117 static void com_scroll_down(void);
118 static void com_page_up(void);
119 static void com_page_down(void);
121 struct gui_command command_list[] = {
125 .description = "print help",
129 .name = "enlarge_win",
130 .description = "enlarge the top window",
131 .handler = com_enlarge_top_win
134 .name = "shrink_win",
135 .description = "shrink the top window",
136 .handler = com_shrink_top_win
139 .name = "reread_conf",
140 .description = "reread configuration file",
141 .handler = com_reread_conf
145 .description = "exit para_gui",
150 .description = "redraw the screen",
151 .handler = com_refresh
154 .name = "next_theme",
155 .description = "switch to next theme",
156 .handler = com_next_theme
159 .name = "prev_theme",
160 .description = "switch to previous stream",
161 .handler = com_prev_theme
165 .description = "increase loglevel (decreases verbosity)",
166 .handler = com_ll_incr
170 .description = "decrease loglevel (increases verbosity)",
171 .handler = com_ll_decr
175 .description = "show the para_gui version",
176 .handler = com_version
180 .description = "scroll up one line",
181 .handler = com_scroll_up
184 .name = "scroll_down",
185 .description = "scroll down one line",
186 .handler = com_scroll_down
190 .description = "scroll up one page",
191 .handler = com_page_up
195 .description = "scroll down one page",
196 .handler = com_page_down
202 static int find_cmd_byname(char *name)
206 for (i = 0; command_list[i].handler; i++)
207 if (!strcmp(command_list[i].name, name))
212 /* taken from mutt */
213 static char *km_keyname(int c)
218 sprintf(buf, "<up>");
222 sprintf(buf, "<down>");
226 sprintf(buf, "<left>");
229 if (c == KEY_RIGHT) {
230 sprintf(buf, "<right>");
233 if (c == KEY_NPAGE) {
234 sprintf(buf, "<npage>");
237 if (c == KEY_PPAGE) {
238 sprintf(buf, "<ppage>");
241 if (c < 256 && c > -128 && iscntrl((unsigned char) c)) {
246 buf[1] = (c + '@') & 0x7f;
249 snprintf(buf, sizeof(buf), "\\%d%d%d", c >> 6,
250 (c >> 3) & 7, c & 7);
251 } else if (c >= KEY_F0 && c < KEY_F(256))
252 sprintf(buf, "<F%d>", c - KEY_F0);
254 snprintf(buf, sizeof(buf), "%c", (unsigned char) c);
256 snprintf(buf, sizeof(buf), "\\x%hx", (unsigned short) c);
260 static char *configfile_exists(void)
262 static char *config_file;
265 if (!conf.config_file_given) {
267 char *home = para_homedir();
268 config_file = make_message("%s/.paraslash/gui.conf",
274 tmp = conf.config_file_arg;
275 return file_exists(tmp)? tmp: NULL;
279 * print num spaces to curses window
281 static void add_spaces(WINDOW* win, unsigned int num)
290 * print aligned string to curses window. This function always prints
293 static int align_str(WINDOW* win, const char *string, unsigned int len,
296 int num; /* of spaces */
301 num = len - strlen(string);
302 str = para_strdup(string);
309 add_spaces(win, num);
310 } else if (align == RIGHT) {
311 add_spaces(win, num);
314 add_spaces(win, num / 2);
315 waddstr(win, str[0]? str: "");
316 add_spaces(win, num - num / 2);
322 __printf_2_3 static void print_in_bar(int color, const char *fmt,...)
328 wattron(in.win, COLOR_PAIR(color));
329 PARA_VSPRINTF(fmt, msg);
331 align_str(in.win, msg, sb.cols, LEFT);
337 * update the status bar
339 static void print_status_bar(void)
344 align_str(sb.win, STANDARD_STATUS_BAR, sb.cols, CENTER);
349 * get the number of the oldest rbe that is (partially) visible. On return,
350 * lines contains the sum of the number of lines of all visable entries. If the
351 * first one is only partially visible, lines is greater than bot.lines.
353 static int first_visible_rbe(unsigned *lines)
357 for (i = scroll_position; i < RINGBUFFER_SIZE; i++) {
358 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, i);
362 // fprintf(stderr, "found: %s\n", rbe->msg);
363 rbe_lines = NUM_LINES(rbe->len);
364 if (rbe_lines > bot.lines)
367 if (*lines >= bot.lines)
370 return RINGBUFFER_SIZE - 1;
373 static int draw_top_rbe(unsigned *lines)
376 int offset, fvr = first_visible_rbe(lines);
377 struct rb_entry *rbe;
381 wmove(bot.win, 0, 0);
382 rbe = ringbuffer_get(bot_win_rb, fvr);
385 /* first rbe might be only partially visible */
386 offset = (*lines - bot.lines) * bot.cols;
387 len = strlen(rbe->msg);
388 if (offset < 0 || len < offset)
390 wattron(bot.win, COLOR_PAIR(rbe->color));
391 waddstr(bot.win, rbe->msg + offset);
392 *lines = NUM_LINES(len - offset);
396 static void redraw_bot_win(void)
401 wmove(bot.win, 0, 0);
403 i = draw_top_rbe(&lines);
406 while (i > 0 && lines < bot.lines) {
407 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, --i);
410 waddstr(bot.win, "\n");
413 lines += NUM_LINES(rbe->len);
414 wattron(bot.win, COLOR_PAIR(rbe->color));
415 waddstr(bot.win, "\n");
416 waddstr(bot.win, rbe->msg);
422 static void rb_add_entry(int color, char *msg)
424 struct rb_entry *old, *new = para_malloc(sizeof(struct rb_entry));
427 new->len = strlen(msg);
429 old = ringbuffer_add(bot_win_rb, new);
430 // fprintf(stderr, "added: %s\n", new->msg);
435 if (scroll_position) {
436 /* discard current scrolling, like xterm does */
441 wattron(bot.win, COLOR_PAIR(color));
442 getyx(bot.win, y, x);
444 waddstr(bot.win, "\n");
445 waddstr(bot.win, msg);
449 * print formated output to bot win and refresh
451 __printf_2_3 static void outputf(int color, const char* fmt,...)
457 PARA_VSPRINTF(fmt, msg);
458 rb_add_entry(color, msg);
462 static void add_output_line(char *line)
466 rb_add_entry(COLOR_OUTPUT, para_strdup(line));
469 void para_log(int ll, const char *fmt,...)
474 if (ll < conf.loglevel_arg || !curses_active)
483 color = COLOR_ERRMSG;
485 PARA_VSPRINTF(fmt, msg);
487 rb_add_entry(color, msg);
491 static void setup_signal_handling(void)
493 signal_pipe = para_signal_init();
494 para_install_sighandler(SIGINT);
495 para_install_sighandler(SIGTERM);
496 para_install_sighandler(SIGCHLD);
497 para_install_sighandler(SIGWINCH);
498 para_install_sighandler(SIGUSR1);
499 signal(SIGPIPE, SIG_IGN);
500 signal(SIGHUP, SIG_IGN);
503 static void do_exit(int ret)
505 signal(SIGTERM, SIG_IGN);
510 static void shutdown_curses(void)
519 static void finish(int ret)
526 * exit curses and print given message to stdout/stderr
528 __printf_2_3 static void msg_n_exit(int ret, const char* fmt, ...)
531 FILE *outfd = ret? stderr: stdout;
535 vfprintf(outfd, fmt, argp);
540 static void print_welcome(void)
542 int ll = conf.loglevel_arg;
545 outputf(COLOR_WELCOME, "Welcome to para_gui " PACKAGE_VERSION
546 " \"" CODENAME "\". Theme: %s", theme.name);
553 static void init_wins(int top_lines)
557 top.lines = top_lines;
562 bot.lines = LINES - top.lines - 3;
564 bot.begy = top.lines + 1;
579 sep.begy = top.lines;
582 assume_default_colors(theme.default_fg, theme.default_bg);
584 mvwin(top.win, top.begy, top.begx);
585 wresize(top.win, top.lines, top.cols);
587 mvwin(sb.win, sb.begy, sb.begx);
588 wresize(sb.win, sb.lines, sb.cols);
590 mvwin(sep.win, sep.begy, sep.begx);
591 wresize(sep.win, sep.lines, sep.cols);
593 mvwin(bot.win, bot.begy, bot.begx);
594 wresize(bot.win, bot.lines, bot.cols);
596 mvwin(in.win, in.begy, in.begx);
597 wresize(in.win, in.lines, in.cols);
599 sep.win = newwin(sep.lines, sep.cols, sep.begy, sep.begx);
600 top.win = newwin(top.lines, top.cols, top.begy, top.begx);
601 bot.win = newwin(bot.lines, bot.cols, bot.begy, bot.begx);
602 sb.win = newwin(sb.lines, sb.cols, sb.begy, sb.begx);
603 in.win = newwin(in.lines, in.cols, in.begy, in.begx);
604 if (!top.win || !bot.win || !sb.win || !in.win || !sep.win)
605 msg_n_exit(1, "Error: Cannot create curses windows\n");
609 scrollok(bot.win, 1);
610 wattron(sb.win, COLOR_PAIR(COLOR_STATUSBAR));
611 wattron(sep.win, COLOR_PAIR(COLOR_SEPARATOR));
612 wattron(bot.win, COLOR_PAIR(COLOR_BOT));
613 wattron(top.win, COLOR_PAIR(COLOR_TOP));
625 wmove(sep.win, 0, 0);
626 for (i = 1; i <= COLS; i++)
627 waddstr(sep.win, theme.sep_str);
630 wnoutrefresh(top.win);
631 wnoutrefresh(bot.win);
632 //wnoutrefresh(sb.win);
634 wnoutrefresh(in.win);
635 wnoutrefresh(sep.win);
639 static void check_geometry(void)
641 if (LINES < theme.lines_min || COLS < theme.cols_min)
642 msg_n_exit(EXIT_FAILURE, "Error: Terminal (%dx%d) too small"
643 " (need at least %dx%d)\n", COLS, LINES,
644 theme.cols_min, theme.lines_min);
648 * Print stat item #i to curses window
650 static void print_stat_item(int i)
653 struct stat_item_data d = theme.data[i];
654 char *c = stat_content[i];
656 if (!curses_active || !d.len || !c)
658 tmp = make_message("%s%s%s", d.prefix, c, d.postfix);
659 // PARA_DEBUG_LOG("%s: read: %s\n", __func__, tmp);
660 wmove(top.win, d.y * top.lines / 100, d.x * COLS / 100);
662 wattron(top.win, COLOR_PAIR(i + 1));
663 align_str(top.win, tmp, d.len * COLS / 100, d.align);
668 static void print_all_items(void)
674 for (i = 0; i < NUM_STAT_ITEMS; i++)
677 static void clear_all_items(void)
681 for (i = 0; i < NUM_STAT_ITEMS; i++) {
682 free(stat_content[i]);
683 stat_content[i] = para_strdup("");
687 static void init_colors(void)
691 msg_n_exit(EXIT_FAILURE, "Error: No color term\n");
693 for (i = 0; i < NUM_STAT_ITEMS; i++)
694 if (theme.data[i].len)
695 init_pair(i + 1, theme.data[i].fg, theme.data[i].bg);
696 init_pair(COLOR_STATUSBAR, theme.sb_fg, theme.sb_bg);
697 init_pair(COLOR_COMMAND, theme.cmd_fg, theme.cmd_bg);
698 init_pair(COLOR_OUTPUT, theme.output_fg, theme.output_bg);
699 init_pair(COLOR_MSG, theme.msg_fg, theme.msg_bg);
700 init_pair(COLOR_ERRMSG, theme.err_msg_fg, theme.err_msg_bg);
701 init_pair(COLOR_WELCOME, theme.welcome_fg, theme.welcome_bg);
702 init_pair(COLOR_SEPARATOR, theme.sep_fg, theme.sep_bg);
703 init_pair(COLOR_TOP, theme.default_fg, theme.default_bg);
704 init_pair(COLOR_BOT, theme.default_fg, theme.default_bg);
708 * (re-)initialize the curses library FIXME: Error checking
710 static void init_curses(void)
713 if (top.win && refresh() == ERR) { /* refesh is really needed */
714 msg_n_exit(EXIT_FAILURE, "refresh() failed\n");
717 curs_set(0); /* make cursor invisible, ignore errors */
718 // if (noraw() == ERR);
719 // msg_n_exit(EXIT_FAILURE, "can not place terminal out of "
721 nonl(); /* tell curses not to do NL->CR/NL on output */
722 noecho(); /* don't echo input */
723 cbreak(); /* take input chars one at a time, no wait for \n */
727 init_wins(theme.top_lines_default);
729 noecho(); /* don't echo input */
733 static void check_sigchld(void)
737 pid = para_reap_child();
740 if (pid == cmd_pid) {
744 goto reap_next_child;
748 * print status line if line starts with known command.
750 static void check_stat_line(char *line)
754 // PARA_INFO_LOG("%s: checking: %s\n", __func__, line);
755 i = stat_line_valid(line);
757 line += strlen(status_item_list[i]) + 1;
758 free(stat_content[i]);
759 stat_content[i] = para_strdup(line);
766 * This sucker modifies its first argument. *handler and *arg are
767 * pointers to 0-terminated strings (inside line). Crap.
769 static int split_key_map(char *line, char **handler, char **arg)
771 if (!(*handler = strchr(line + 1, ':')))
775 if (!(*arg = strchr(*handler, ':')))
784 static int check_key_map_args(void)
788 char *tmp = NULL, *handler, *arg;
790 for (i = 0; i < conf.key_map_given; ++i) {
791 s = conf.key_map_arg[i];
795 tmp = para_strdup(s);
796 if (!split_key_map(tmp, &handler, &arg))
798 if (strlen(handler) != 1)
807 if (find_cmd_byname(arg) < 0)
817 * React to various signal-related events
819 static void handle_signal(int sig)
823 msg_n_exit(EXIT_FAILURE,
824 "only the good die young (caught SIGTERM))\n");
834 PARA_WARNING_LOG("%s", "caught SIGINT, reset");
835 /* Nothing to do. SIGINT killed our child, para_client stat.
836 * This get noticed by do_select which resets everything
840 PARA_NOTICE_LOG("%s", "got SIGUSR1, rereading configuration");
849 static int open_audiod_pipe(void)
857 return para_open_audiod_pipe(conf.stat_cmd_arg);
861 * This is the core select loop. Besides the (internal) signal
862 * pipe, the following other fds are checked according to the mode:
864 * GETCH_MODE: check stdin, return when key is pressed
866 * COMMAND_MODE: check command_pipe and stdin. Return when a screen full
867 * of output has been read or when other end has closed command pipe or
868 * when any key is pressed.
870 * EXTERNAL_MODE: Check only signal pipe. Used when an external command
871 * is running. During that thime curses is disabled. Returns when
874 static int do_select(int mode)
878 int max_fileno, cp_numread = 1;
879 char command_buf[4096] = "";
880 int cbo = 0; /* command buf offset */
883 tv.tv_sec = conf.timeout_arg / 1000;
884 tv.tv_usec = (conf.timeout_arg % 1000) * 1000;
885 // ret = refresh_status();
890 audiod_pipe = open_audiod_pipe();
891 if (audiod_pipe >= 0)
892 para_fd_set(audiod_pipe, &rfds, &max_fileno);
894 para_fd_set(signal_pipe, &rfds, &max_fileno);
895 /* command pipe only for COMMAND_MODE */
896 if (command_pipe >= 0 && mode == COMMAND_MODE)
897 para_fd_set(command_pipe, &rfds, &max_fileno);
898 ret = para_select(max_fileno + 1, &rfds, NULL, &tv);
900 goto check_return; /* skip fd checks */
902 if (FD_ISSET(signal_pipe, &rfds)) {
903 int sig_nr = para_next_signal();
905 handle_signal(sig_nr);
907 /* read command pipe if ready */
908 if (command_pipe >= 0 && mode == COMMAND_MODE &&
909 FD_ISSET(command_pipe, &rfds)) {
910 cp_numread = read(command_pipe, command_buf + cbo,
911 sizeof(command_buf) - 1 - cbo);
916 PARA_ERROR_LOG("read error (%d)", cp_numread);
921 if (audiod_pipe >= 0 && FD_ISSET(audiod_pipe, &rfds))
922 if (read_audiod_pipe(audiod_pipe, check_stat_line) <= 0) {
926 free(stat_content[SI_STATUS_BAR]);
927 stat_content[SI_STATUS_BAR] =
928 para_strdup("audiod not running!?");
934 if (cp_numread <= 0 && !cbo) /* command complete */
937 cbo = for_each_line(command_buf, cbo, &add_output_line);
941 ret = wgetch(top.win);
942 if (ret != ERR && ret != KEY_RESIZE) {
948 kill(cmd_pid, SIGTERM);
953 ret = wgetch(top.win);
954 if (ret != ERR && ret != KEY_RESIZE)
967 * read from command pipe and print data to bot window
969 static int send_output(void)
971 if (command_pipe < 0)
973 if (do_select(COMMAND_MODE) >= 0)
974 PARA_INFO_LOG("%s", "command complete");
976 PARA_NOTICE_LOG("%s", "command aborted");
977 print_in_bar(COLOR_MSG, " ");
981 static int client_cmd_cmdline(char *cmd)
983 int ret, fds[3] = {0, 1, 0};
984 char *c = make_message(BINDIR "/para_client %s", cmd);
986 outputf(COLOR_COMMAND, "%s", c);
987 print_in_bar(COLOR_MSG, "executing client command, hit any key to abort\n");
988 ret = para_exec_cmdline_pid(&cmd_pid, c, fds);
992 command_pipe = fds[1];
993 mark_fd_nonblock(command_pipe);
994 return send_output();
998 * exec command and print output to bot win
1000 static int display_cmd(char *cmd)
1002 int fds[3] = {0, 1, 0};
1004 print_in_bar(COLOR_MSG, "executing display command, hit any key to abort");
1005 outputf(COLOR_COMMAND, "%s", cmd);
1006 if (para_exec_cmdline_pid(&cmd_pid, cmd, fds) < 0)
1008 command_pipe = fds[1];
1009 mark_fd_nonblock(command_pipe);
1010 return send_output();
1014 * shutdown curses and stat pipe before executing external commands
1016 static int external_cmd(char *cmd)
1018 int fds[3] = {-1, -1, -1};
1023 para_exec_cmdline_pid(&cmd_pid, cmd, fds);
1025 do_select(EXTERNAL_MODE);
1030 static void print_scroll_msg(void)
1032 unsigned lines_total, filled = ringbuffer_filled(bot_win_rb);
1033 int first_rbe = first_visible_rbe(&lines_total);
1034 print_in_bar(COLOR_MSG, "scrolled view: %d-%d/%d\n", filled - first_rbe,
1035 filled - scroll_position, ringbuffer_filled(bot_win_rb));
1038 static void com_page_down(void)
1041 int i = scroll_position;
1042 while (lines < bot.lines && --i > 0) {
1043 struct rb_entry *rbe = ringbuffer_get(bot_win_rb, i);
1046 lines += NUM_LINES(strlen(rbe->msg));
1049 scroll_position = i;
1054 print_in_bar(COLOR_ERRMSG, "bottom of buffer is shown\n");
1057 static void com_page_up(void)
1060 int fvr = first_visible_rbe(&lines);
1061 if (fvr < 0 || fvr + 1 >= ringbuffer_filled(bot_win_rb)) {
1062 print_in_bar(COLOR_ERRMSG, "top of buffer is shown\n");
1065 scroll_position = fvr + 1;
1066 for (; scroll_position > 0; scroll_position--) {
1067 fvr = first_visible_rbe(&lines);
1068 if (lines == bot.lines)
1075 static void com_scroll_down(void)
1077 struct rb_entry *rbe;
1080 if (!scroll_position) {
1081 print_in_bar(COLOR_ERRMSG, "bottom of buffer is shown\n");
1085 rbe = ringbuffer_get(bot_win_rb, scroll_position);
1086 rbe_lines = NUM_LINES(rbe->len);
1087 wscrl(bot.win, rbe_lines);
1088 wmove(bot.win, bot.lines - rbe_lines, 0);
1089 wattron(bot.win, COLOR_PAIR(rbe->color));
1090 waddstr(bot.win, rbe->msg);
1095 static void com_scroll_up(void)
1097 struct rb_entry *rbe = NULL;
1099 int i, first_rbe, num_scroll;
1101 /* the entry that is going to vanish */
1102 rbe = ringbuffer_get(bot_win_rb, scroll_position);
1105 num_scroll = NUM_LINES(rbe->len);
1106 first_rbe = first_visible_rbe(&lines);
1107 if (first_rbe < 0 || (first_rbe == ringbuffer_filled(bot_win_rb) - 1))
1110 wscrl(bot.win, -num_scroll);
1111 i = draw_top_rbe(&lines);
1114 while (i > 0 && lines < num_scroll) {
1116 rbe = ringbuffer_get(bot_win_rb, --i);
1119 rbe_lines = NUM_LINES(rbe->len);
1121 // fprintf(stderr, "msg: %s\n", rbe->msg);
1122 wattron(bot.win, COLOR_PAIR(rbe->color));
1123 waddstr(bot.win, "\n");
1124 waddstr(bot.win, rbe->msg);
1133 print_in_bar(COLOR_ERRMSG, "top of buffer is shown\n");
1136 static void com_ll_decr(void)
1138 if (conf.loglevel_arg <= DEBUG) {
1139 print_in_bar(COLOR_ERRMSG,
1140 "loglevel already at maximal verbosity\n");
1143 conf.loglevel_arg--;
1144 print_in_bar(COLOR_MSG, "loglevel set to %d\n", conf.loglevel_arg);
1147 static void com_ll_incr(void)
1149 if (conf.loglevel_arg >= EMERG) {
1150 print_in_bar(COLOR_ERRMSG,
1151 "loglevel already at miminal verbosity\n");
1154 conf.loglevel_arg++;
1155 print_in_bar(COLOR_MSG, "loglevel set to %d\n", conf.loglevel_arg);
1159 * reread configuration, terminate on errors
1161 static void com_reread_conf(void)
1163 char *cf =configfile_exists();
1166 PARA_WARNING_LOG("%s", "there is no configuration to read");
1169 PARA_INFO_LOG("%s", "rereading command line options and config file");
1170 gui_cmdline_parser(_argc, _argv, &conf);
1171 gui_cmdline_parser_configfile(cf, &conf, 1, 1, 0);
1172 PARA_NOTICE_LOG("%s", "config file reloaded");
1173 if (check_key_map_args() < 0)
1174 finish(EXIT_FAILURE);
1177 static void com_help(void)
1181 for (i = 0; i < conf.key_map_given; ++i) {
1182 char *handler, *arg, *tmp = para_strdup(conf.key_map_arg[i]);
1183 const char *handler_text = "???", *desc = NULL;
1185 if (!split_key_map(tmp, &handler, &arg)) {
1191 handler_text = "internal";
1192 desc = command_list[find_cmd_byname(arg)].description;
1194 case 'x': handler_text = "external"; break;
1195 case 'd': handler_text = "display "; break;
1196 case 'p': handler_text = "para "; break;
1198 outputf(COLOR_MSG, "%s\t%s\t%s%s\t%s", tmp, handler_text, arg,
1199 strlen(arg) < 8? "\t" : "",
1203 for (i = 0; command_list[i].handler; i++) {
1204 struct gui_command gc = command_list[i];
1206 outputf(COLOR_MSG, "%s\tinternal\t%s\t%s%s", gc.key, gc.name,
1207 strlen(gc.name) < 8? "\t" : "",
1210 print_in_bar(COLOR_MSG, "try \"para_gui -h\" or \"para_client help\" "
1214 static void com_shrink_top_win(void)
1216 if (top.lines <= theme.top_lines_min) {
1217 PARA_WARNING_LOG("%s", "can not decrease top window");
1220 init_wins(top.lines - 1);
1223 print_in_bar(COLOR_MSG, "%s", "decreased top window");
1226 static void com_enlarge_top_win(void)
1228 if (bot.lines < 3) {
1229 PARA_WARNING_LOG("%s", "can not increase top window");
1232 init_wins(top.lines + 1);
1235 print_in_bar(COLOR_MSG, "increased top window");
1238 static void com_version(void)
1240 print_in_bar(COLOR_MSG, "para_gui " PACKAGE_VERSION " \""
1244 static void com_quit(void)
1249 static void com_refresh(void)
1255 static void change_theme(int next)
1261 /* This seems to be needed twice, why? */
1264 PARA_NOTICE_LOG("new theme: %s", theme.name);
1267 static void com_next_theme(void)
1272 static void com_prev_theme(void)
1278 static void handle_command(int c)
1282 /* first check user's key bindings */
1283 for (i = 0; i < conf.key_map_given; ++i) {
1284 char tmp[MAXLINE], *handler, *arg;
1286 strcpy(tmp, conf.key_map_arg[i]);
1287 if (!split_key_map(tmp, &handler, &arg))
1289 if (!strcmp(tmp, km_keyname(c))) {
1290 if (*handler == 'd') {
1294 if (*handler == 'x') {
1298 if (*handler == 'p') {
1299 client_cmd_cmdline(arg);
1302 if (*handler == 'i') {
1303 int num = find_cmd_byname(arg);
1305 command_list[num].handler();
1310 /* not found, check internal key bindings */
1311 for (i = 0; command_list[i].handler; i++) {
1312 if (!strcmp(km_keyname(c), command_list[i].key)) {
1313 command_list[i].handler();
1317 print_in_bar(COLOR_ERRMSG, "key '%s' is not bound, press ? for help",
1321 int main(int argc, char *argv[])
1329 if (gui_cmdline_parser(argc, argv, &conf)) {
1330 fprintf(stderr, "parse error while reading command line\n");
1333 HANDLE_VERSION_FLAG("gui", conf);
1334 init_theme(0, &theme);
1335 top.lines = theme.top_lines_default;
1336 if (check_key_map_args() < 0) {
1337 fprintf(stderr, "invalid key map\n");
1340 cf = configfile_exists();
1341 if (!cf && conf.config_file_given) {
1342 fprintf(stderr, "can not read config file %s\n",
1343 conf.config_file_arg);
1347 gui_cmdline_parser_configfile(cf, &conf, 0, 0, 0);
1348 if (check_key_map_args() < 0) {
1349 fprintf(stderr, "invalid key map in config file\n");
1352 setup_signal_handling();
1353 bot_win_rb = ringbuffer_new(RINGBUFFER_SIZE);
1354 initscr(); /* needed only once, always successful */
1359 ret = do_select(GETCH_MODE);
1362 print_in_bar(COLOR_MSG, " ");
1363 handle_command(ret);