ROX-Filer/src/main.c

   1 /*
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * Copyright (C) 1999, Thomas Leonard, <tal197@ecs.soton.ac.uk>.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  * The getopt stuff is from glibc.
  22  */
  23
  24 #include "config.h"
  25
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <sys/types.h>
  29 #include <signal.h>
  30 #include <sys/wait.h>
  31 #include <unistd.h>
  32 #include <fcntl.h>
  33
  34 #ifdef HAVE_GETOPT_LONG
  35 #  include <getopt.h>
  36 #endif
  37
  38 #include <gtk/gtk.h>
  39 #include "collection.h"
  40
  41 #include "main.h"
  42 #include "gui_support.h"
  43 #include "filer.h"
  44 #include "mount.h"
  45 #include "menu.h"
  46 #include "dnd.h"
  47 #include "options.h"
  48 #include "choices.h"
  49 #include "savebox.h"
  50 #include "type.h"
  51
  52 int number_of_windows = 0;      /* Quit when this reaches 0 again... */
  53 int to_error_log = -1;          /* Write here to log errors */
  54
  55 #define VERSION "ROX-Filer 0.1.4\n"                                     \
  56                 "Copyright (C) 1999 Thomas Leonard.\n"                  \
  57                 "ROX-Filer comes with ABSOLUTELY NO WARRANTY,\n"        \
  58                 "to the extent permitted by law.\n"                     \
  59                 "You may redistribute copies of ROX-Filer\n"            \
  60                 "under the terms of the GNU General Public License.\n"  \
  61                 "For more information about these matters, "            \
  62                 "see the file named COPYING.\n"
  63
  64 #ifdef HAVE_GETOPT_LONG
  65 #  define USAGE   "Try `ROX-Filer/AppRun --help' for more information.\n"
  66 #  define SHORT_ONLY_WARNING ""
  67 #else
  68 #  define USAGE   "Try `ROX-Filer/AppRun -h' for more information.\n"
  69 #  define SHORT_ONLY_WARNING "NOTE: Your system does not support long options - \n" \
  70                                 "you must use the short versions instead.\n\n"
  71 #endif                                                                  \
  72
  73 #define HELP "Usage: ROX-Filer/AppRun [OPTION]... [DIR]...\n"           \
  74        "Open filer windows showing each directory listed, or $HOME \n"  \
  75        "if no directories are given.\n\n"                               \
  76        "  -h, --help            display this help and exit\n"                 \
  77        "  -v, --version         display the version information and exit\n"   \
  78        "  -t, --top [DIR]       open DIR as a top-edge panel\n"         \
  79        "  -b, --bottom [DIR]    open DIR as a bottom-edge panel\n"      \
  80        "  -l, --left [DIR]      open DIR as a left-edge panel\n"        \
  81        "  -r, --right [DIR]     open DIR as a right-edge panel\n"       \
  82        "  -o, --override        override window manager control of panels\n" \
  83        "\n"     SHORT_ONLY_WARNING                                      \
  84        "Report bugs to <tal197@ecs.soton.ac.uk>.\n"
  85
  86 #ifdef HAVE_GETOPT_LONG
  87 static struct option long_opts[] =
  88 {
  89         {"top", 1, NULL, 't'},
  90         {"bottom", 1, NULL, 'b'},
  91         {"left", 1, NULL, 'l'},
  92         {"right", 1, NULL, 'r'},
  93         {"override", 0, NULL, 'o'},
  94         {"help", 0, NULL, 'h'},
  95         {"version", 0, NULL, 'v'},
  96         {NULL, 0, NULL, 0},
  97 };
  98 #endif
  99
 100 /* Take control of panels away from WM? */
 101 gboolean override_redirect = FALSE;
 102
 103 static void child_died(int signum)
 104 {
 105         int             status;
 106         int             child;
 107
 108         /* Find out which children exited and allow them to die */
 109         do
 110         {
 111                 child = waitpid(-1, &status, WNOHANG);
 112
 113                 if (child == 0 || child == -1)
 114                         return;
 115
 116                 /* fprintf(stderr, "Child %d exited\n", child); */
 117
 118         } while (1);
 119 }
 120
 121 #define BUFLEN 40
 122 void stderr_cb(gpointer data, gint source, GdkInputCondition condition)
 123 {
 124         char buf[BUFLEN];
 125         static GtkWidget *log = NULL;
 126         static GtkWidget *window = NULL;
 127         ssize_t len;
 128
 129         if (!window)
 130         {
 131                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 132                 gtk_window_set_title(GTK_WINDOW(window), "ROX-Filer error log");
 133                 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 134                 gtk_window_set_default_size(GTK_WINDOW(window), 600, 300);
 135                 gtk_signal_connect_object(GTK_OBJECT(window), "delete_event",
 136                                 gtk_widget_hide, GTK_OBJECT(window));
 137                 log = gtk_text_new(NULL, NULL);
 138                 gtk_container_add(GTK_CONTAINER(window), log);
 139         }
 140
 141         if (!GTK_WIDGET_MAPPED(window))
 142                 gtk_widget_show_all(window);
 143
 144         len = read(source, buf, BUFLEN);
 145         if (len > 0)
 146                 gtk_text_insert(GTK_TEXT(log), NULL, NULL, NULL, buf, len);
 147 }
 148
 149 int main(int argc, char **argv)
 150 {
 151         int              stderr_pipe[2];
 152         struct sigaction act;
 153         GList           *panel_dirs = NULL;
 154         GList           *panel_sides = NULL;
 155
 156         gtk_init(&argc, &argv);
 157
 158         while (1)
 159         {
 160                 int     c;
 161 #ifdef HAVE_GETOPT_LONG
 162                 int     long_index;
 163                 c = getopt_long(argc, argv, "t:b:l:r:ohv",
 164                                 long_opts, &long_index);
 165 #else
 166                 c = getopt(argc, argv, "t:b:l:r:ohv");
 167 #endif
 168
 169                 if (c == EOF)
 170                         break;          /* No more options */
 171
 172                 switch (c)
 173                 {
 174                         case 'o':
 175                                 override_redirect = TRUE;
 176                                 break;
 177                         case 'v':
 178                                 printf(VERSION);
 179                                 return EXIT_SUCCESS;
 180                         case 'h':
 181                                 printf(HELP);
 182                                 return EXIT_SUCCESS;
 183                         case 't':
 184                         case 'b':
 185                         case 'l':
 186                         case 'r':
 187                                 panel_sides = g_list_prepend(panel_sides,
 188                                                         (gpointer) c);
 189                                 panel_dirs = g_list_prepend(panel_dirs,
 190                                                 *optarg == '=' ? optarg + 1
 191                                                         : optarg);
 192                                 break;
 193                         default:
 194                                 printf(USAGE);
 195                                 return EXIT_FAILURE;
 196                 }
 197         }
 198
 199         choices_init("ROX-Filer");
 200
 201         gui_support_init();
 202         menu_init();
 203         dnd_init();
 204         filer_init();
 205         mount_init();
 206         options_init();
 207         savebox_init();
 208         type_init();
 209
 210         options_load();
 211
 212         /* Let child processes die */
 213         act.sa_handler = child_died;
 214         sigemptyset(&act.sa_mask);
 215         act.sa_flags = SA_NOCLDSTOP;
 216         sigaction(SIGCHLD, &act, NULL);
 217
 218         if (geteuid() == 0)
 219         {
 220                 if (get_choice("!!!DANGER!!!",
 221                         "Running ROX-Filer as root is VERY dangerous. If I "
 222                         "had a warranty (I don't) then doing this would "
 223                         "void it", 2,
 224                         "Don't click here", "Quit") != 0)
 225                         exit(EXIT_SUCCESS);
 226         }
 227
 228         if (optind == argc && !panel_dirs)
 229                 filer_opendir(getenv("HOME"), FALSE, BOTTOM);
 230         else
 231         {
 232                 int      i = optind;
 233                 GList    *dir = panel_dirs;
 234                 GList    *side = panel_sides;
 235
 236                 while (dir)
 237                 {
 238                         int     c = (int) side->data;
 239
 240                         filer_opendir((char *) dir->data, TRUE,
 241                                         c == 't' ? TOP :
 242                                         c == 'b' ? BOTTOM :
 243                                         c == 'l' ? LEFT :
 244                                         RIGHT);
 245                         dir = dir->next;
 246                         side = side->next;
 247                 }
 248
 249                 g_list_free(dir);
 250                 g_list_free(side);
 251
 252                 while (i < argc)
 253                         filer_opendir(argv[i++], FALSE, BOTTOM);
 254         }
 255
 256         pipe(stderr_pipe);
 257         gdk_input_add(stderr_pipe[0], GDK_INPUT_READ, stderr_cb, NULL);
 258         to_error_log = stderr_pipe[1];
 259
 260         gtk_main();
 261
 262         return EXIT_SUCCESS;
 263 }