exec and fade cleanups.

[paraslash.git] / gui.c

diff --git a/gui.c b/gui.c
index a71a2a7c4ab2bf7355401f32450cdbab47837ae3..9a02bdcabc3c252fb875b893cea5610f23243b2e 100644 (file)
--- a/gui.c
+++ b/gui.c
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 1998-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1998-2008 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
-/** \file gui.c ncurses-based interface for paraslash */
+/** \file gui.c Curses-based interface for paraslash. */
 
 #include <signal.h>
 #include <sys/types.h>
@@ -12,9 +12,9 @@
 #include "gui.cmdline.h"
 #include "para.h"
 #include "gui.h"
+#include "string.h"
 #include <curses.h>
 #include "ringbuffer.h"
-#include "gui_common.h"
 #include "fd.h"
 #include "error.h"
 #include "list.h"
@@ -23,15 +23,12 @@
 
 /** define the array of error lists needed by para_gui */
 INIT_GUI_ERRLISTS;
-extern const char *status_item_list[NUM_STAT_ITEMS];
 static char *stat_content[NUM_STAT_ITEMS];
 
 #define STANDARD_STATUS_BAR "para_gui " PACKAGE_VERSION " (hit ? for help)"
 
 static int signal_pipe;
 
-static void finish(int sig);
-
 static struct win_data {
        WINDOW *win;
        NCURSES_SIZE_T begx;
@@ -46,7 +43,7 @@ struct rb_entry {
        size_t len;
        int color;
 };
-void *bot_win_rb;
+struct ringbuffer *bot_win_rb;
 #define NUM_LINES(len) (1 + (len) / bot.cols)
 
 static unsigned scroll_position;
@@ -61,15 +58,15 @@ static struct gui_args_info conf;
 enum {GETCH_MODE, COMMAND_MODE, EXTERNAL_MODE};
 
 
-#define COLOR_STATUSBAR 32
-#define COLOR_COMMAND 33
-#define COLOR_OUTPUT 34
-#define COLOR_MSG 35
-#define COLOR_ERRMSG 36
-#define COLOR_WELCOME 37
-#define COLOR_SEPARATOR 38
-#define COLOR_TOP 39
-#define COLOR_BOT 40
+#define COLOR_STATUSBAR 52
+#define COLOR_COMMAND 53
+#define COLOR_OUTPUT 54
+#define COLOR_MSG 55
+#define COLOR_ERRMSG 56
+#define COLOR_WELCOME 57
+#define COLOR_SEPARATOR 58
+#define COLOR_TOP 59
+#define COLOR_BOT 60
 
 struct gui_command {
        const char *key;
@@ -192,6 +189,38 @@ struct gui_command command_list[] = {
        }
 };
 
+static int para_open_audiod_pipe(char *cmd)
+{
+       int fds[3] = {0, 1, 0};
+       pid_t pid;
+       int ret = para_exec_cmdline_pid(&pid, cmd, fds);
+       if (ret < 0)
+               return ret;
+       ret = mark_fd_nonblocking(fds[1]);
+       if (ret > 0)
+               return fds[1];
+       close(fds[1]);
+       return ret;
+}
+
+static int read_audiod_pipe(int fd, line_handler_t *line_handler)
+{
+       static char buf[4096];
+       const ssize_t bufsize = sizeof(buf) - 1;
+       static ssize_t loaded;
+       ssize_t ret;
+
+       if (loaded >= bufsize)
+               loaded = 0;
+       ret = read(fd, buf + loaded, bufsize - loaded);
+       if (ret > 0) {
+               loaded += ret;
+               buf[loaded] = '\0';
+               loaded = for_each_line(buf, loaded, line_handler, NULL);
+       }
+       return ret;
+}
+
 static int find_cmd_byname(char *name)
 {
        int i;
@@ -490,7 +519,7 @@ static void setup_signal_handling(void)
        para_install_sighandler(SIGCHLD);
        para_install_sighandler(SIGWINCH);
        para_install_sighandler(SIGUSR1);
-       signal(SIGPIPE, SIG_IGN);
+//     signal(SIGPIPE, SIG_IGN);
        signal(SIGHUP, SIG_IGN);
 }
 
@@ -650,7 +679,6 @@ static void print_stat_item(int i)
        if (!curses_active || !d.len || !c)
                return;
        tmp = make_message("%s%s%s", d.prefix, c, d.postfix);
-//     PARA_DEBUG_LOG("%s: read: %s\n", __func__, tmp);
        wmove(top.win, d.y * top.lines / 100, d.x * COLS / 100);
        wrefresh(top.win);
        wattron(top.win, COLOR_PAIR(i + 1));
@@ -665,14 +693,15 @@ static void print_all_items(void)
 
        if (!curses_active)
                return;
-       for (i = 0; i < NUM_STAT_ITEMS; i++)
+       FOR_EACH_STATUS_ITEM(i)
                print_stat_item(i);
 }
+
 static void clear_all_items(void)
 {
        int i;
 
-       for (i = 0; i < NUM_STAT_ITEMS; i++) {
+       FOR_EACH_STATUS_ITEM(i) {
                free(stat_content[i]);
                stat_content[i] = para_strdup("");
        }
@@ -681,10 +710,11 @@ static void clear_all_items(void)
 static void init_colors(void)
 {
        int i;
+
        if (!has_colors())
                msg_n_exit(EXIT_FAILURE, "Error: No color term\n");
        start_color();
-       for (i = 0; i < NUM_STAT_ITEMS; i++)
+       FOR_EACH_STATUS_ITEM(i)
                if (theme.data[i].len)
                        init_pair(i + 1, theme.data[i].fg, theme.data[i].bg);
        init_pair(COLOR_STATUSBAR, theme.sb_fg, theme.sb_bg);
@@ -750,6 +780,8 @@ static int check_stat_line(char *line, __a_unused void *data)
        i = stat_line_valid(line);
        if (i >= 0) {
                line += strlen(status_item_list[i]) + 1;
+               if (*line == ' ')
+                       line++;
                free(stat_content[i]);
                stat_content[i] = para_strdup(line);
                print_stat_item(i);
@@ -826,13 +858,13 @@ static void handle_signal(int sig)
                }
                return;
        case SIGINT:
-               PARA_WARNING_LOG("%s", "caught SIGINT, reset");
+               PARA_WARNING_LOG("caught SIGINT, reset");
                /* Nothing to do. SIGINT killed our child, para_client stat.
                 * This get noticed by do_select which resets everything
                 */
                return;
        case SIGUSR1:
-               PARA_NOTICE_LOG("%s", "got SIGUSR1, rereading configuration");
+               PARA_NOTICE_LOG("got SIGUSR1, rereading configuration");
                com_reread_conf();
                return;
        case SIGCHLD:
@@ -918,8 +950,8 @@ repeat:
                        close(audiod_pipe);
                        audiod_pipe = -1;
                        clear_all_items();
-                       free(stat_content[SI_STATUS_BAR]);
-                       stat_content[SI_STATUS_BAR] =
+                       free(stat_content[SI_BASENAME]);
+                       stat_content[SI_BASENAME] =
                                para_strdup("audiod not running!?");
                        print_all_items();
                }
@@ -964,12 +996,19 @@ check_return:
  */
 static int send_output(void)
 {
+       int ret;
+
        if (command_pipe < 0)
                return 0;
+       ret = mark_fd_nonblocking(command_pipe);
+       if (ret < 0) {
+               close(command_pipe);
+               return ret;
+       }
        if (do_select(COMMAND_MODE) >= 0)
-               PARA_INFO_LOG("%s", "command complete");
+               PARA_INFO_LOG("command complete");
        else
-               PARA_NOTICE_LOG("%s", "command aborted");
+               PARA_NOTICE_LOG("command aborted");
        print_in_bar(COLOR_MSG, " ");
        return 1;
 }
@@ -977,7 +1016,7 @@ static int send_output(void)
 static int client_cmd_cmdline(char *cmd)
 {
        int ret, fds[3] = {0, 1, 0};
-       char *c = make_message(BINDIR "/para_client %s", cmd);
+       char *c = make_message(BINDIR "/para_client -- %s", cmd);
 
        outputf(COLOR_COMMAND, "%s", c);
        print_in_bar(COLOR_MSG, "executing client command, hit any key to abort\n");
@@ -986,7 +1025,6 @@ static int client_cmd_cmdline(char *cmd)
        if (ret < 0)
                return -1;
        command_pipe = fds[1];
-       mark_fd_nonblock(command_pipe);
        return send_output();
 }
 
@@ -1002,7 +1040,6 @@ static int display_cmd(char *cmd)
        if (para_exec_cmdline_pid(&cmd_pid, cmd, fds) < 0)
                return -1;
        command_pipe = fds[1];
-       mark_fd_nonblock(command_pipe);
        return send_output();
 }
 
@@ -1165,13 +1202,13 @@ static void com_reread_conf(void)
        };
 
        if (!cf) {
-               PARA_WARNING_LOG("%s", "there is no configuration to read");
+               PARA_WARNING_LOG("there is no configuration to read");
                return;
        }
-       PARA_INFO_LOG("%s", "rereading command line options and config file");
+       PARA_INFO_LOG("rereading command line options and config file");
        gui_cmdline_parser(_argc, _argv, &conf);
        gui_cmdline_parser_config_file(cf, &conf, &params);
-       PARA_NOTICE_LOG("%s", "config file reloaded");
+       PARA_NOTICE_LOG("config file reloaded");
        if (check_key_map_args() < 0)
                finish(EXIT_FAILURE);
 }
@@ -1216,7 +1253,7 @@ static void com_help(void)
 static void com_shrink_top_win(void)
 {
        if (top.lines <= theme.top_lines_min) {
-               PARA_WARNING_LOG("%s", "can not decrease top window");
+               PARA_WARNING_LOG("can not decrease top window");
                return;
        }
        init_wins(top.lines - 1);
@@ -1228,7 +1265,7 @@ static void com_shrink_top_win(void)
 static void com_enlarge_top_win(void)
 {
        if (bot.lines < 3) {
-               PARA_WARNING_LOG("%s", "can not increase top window");
+               PARA_WARNING_LOG("can not increase top window");
                return;
        }
        init_wins(top.lines + 1);