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
  22 #include "config.h"
  23
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include <signal.h>
  28 #include <sys/wait.h>
  29 #include <unistd.h>
  30 #include <fcntl.h>
  31
  32 #ifdef HAVE_GETOPT_LONG
  33 #  include <getopt.h>
  34 #endif
  35
  36 #include <gtk/gtk.h>
  37 #include "collection.h"
  38
  39 #include "main.h"
  40 #include "gui_support.h"
  41 #include "filer.h"
  42 #include "mount.h"
  43 #include "menu.h"
  44 #include "dnd.h"
  45 #include "options.h"
  46 #include "choices.h"
  47 #include "savebox.h"
  48 #include "type.h"
  49
  50 int number_of_windows = 0;      /* Quit when this reaches 0 again... */
  51 int to_error_log = -1;          /* Write here to log errors */
  52
  53 #define VERSION "ROX-Filer 0.1.4\n"                                     \
  54                 "Copyright (C) 1999 Thomas Leonard.\n"                  \
  55                 "ROX-Filer comes with ABSOLUTELY NO WARRANTY,\n"        \
  56                 "to the extent permitted by law.\n"                     \
  57                 "You may redistribute copies of ROX-Filer\n"            \
  58                 "under the terms of the GNU General Public License.\n"  \
  59                 "For more information about these matters, "            \
  60                 "see the file named COPYING.\n"
  61
  62 #ifdef HAVE_GETOPT_LONG
  63 #  define USAGE   "Try `ROX-Filer/AppRun --help' for more information.\n"
  64 #  define SHORT_ONLY_WARNING ""
  65 #else
  66 #  define USAGE   "Try `ROX-Filer/AppRun -h' for more information.\n"
  67 #  define SHORT_ONLY_WARNING "NOTE: Your system does not support long options - \n" \
  68                                 "you must use the short versions instead.\n\n"
  69 #endif                                                                  \
  70
  71 #define HELP "Usage: ROX-Filer/AppRun [OPTION]... [DIR]...\n"           \
  72        "Open filer windows showing each directory listed, or $HOME \n"  \
  73        "if no directories are given.\n\n"                               \
  74        "  -h, --help            display this help and exit\n"                 \
  75        "  -v, --version         display the version information and exit\n"   \
  76        "  -t, --top [DIR]       open DIR as a top-edge panel\n"         \
  77        "  -b, --bottom [DIR]    open DIR as a bottom-edge panel\n"      \
  78        "  -l, --left [DIR]      open DIR as a left-edge panel\n"        \
  79        "  -r, --right [DIR]     open DIR as a right-edge panel\n"       \
  80        "  -o, --override        override window manager control of panels\n" \
  81        "\n"     SHORT_ONLY_WARNING                                      \
  82        "Report bugs to <tal197@ecs.soton.ac.uk>.\n"
  83
  84 #ifdef HAVE_GETOPT_LONG
  85 static struct option long_opts[] =
  86 {
  87         {"top", 1, NULL, 't'},
  88         {"bottom", 1, NULL, 'b'},
  89         {"left", 1, NULL, 'l'},
  90         {"right", 1, NULL, 'r'},
  91         {"override", 0, NULL, 'o'},
  92         {"help", 0, NULL, 'h'},
  93         {"version", 0, NULL, 'v'},
  94         {NULL, 0, NULL, 0},
  95 };
  96 #endif
  97
  98 /* Take control of panels away from WM? */
  99 gboolean override_redirect = FALSE;
 100
 101 static void child_died(int signum)
 102 {
 103         int             status;
 104         int             child;
 105
 106         /* Find out which children exited and allow them to die */
 107         do
 108         {
 109                 child = waitpid(-1, &status, WNOHANG);
 110
 111                 if (child == 0 || child == -1)
 112                         return;
 113
 114                 /* fprintf(stderr, "Child %d exited\n", child); */
 115
 116         } while (1);
 117 }
 118
 119 #define BUFLEN 40
 120 void stderr_cb(gpointer data, gint source, GdkInputCondition condition)
 121 {
 122         char buf[BUFLEN];
 123         static GtkWidget *log = NULL;
 124         static GtkWidget *window = NULL;
 125         ssize_t len;
 126
 127         if (!window)
 128         {
 129                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 130                 gtk_window_set_title(GTK_WINDOW(window), "ROX-Filer error log");
 131                 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 132                 gtk_window_set_default_size(GTK_WINDOW(window), 600, 300);
 133                 gtk_signal_connect_object(GTK_OBJECT(window), "delete_event",
 134                                 gtk_widget_hide, GTK_OBJECT(window));
 135                 log = gtk_text_new(NULL, NULL);
 136                 gtk_container_add(GTK_CONTAINER(window), log);
 137         }
 138
 139         if (!GTK_WIDGET_MAPPED(window))
 140                 gtk_widget_show_all(window);
 141
 142         len = read(source, buf, BUFLEN);
 143         if (len > 0)
 144                 gtk_text_insert(GTK_TEXT(log), NULL, NULL, NULL, buf, len);
 145 }
 146
 147 int main(int argc, char **argv)
 148 {
 149         int              stderr_pipe[2];
 150         struct sigaction act;
 151         GList           *panel_dirs = NULL;
 152         GList           *panel_sides = NULL;
 153
 154         gtk_init(&argc, &argv);
 155
 156         while (1)
 157         {
 158                 int     c;
 159 #ifdef HAVE_GETOPT_LONG
 160                 int     long_index;
 161                 c = getopt_long(argc, argv, "t:b:l:r:ohv",
 162                                 long_opts, &long_index);
 163 #else
 164                 c = getopt(argc, argv, "t:b:l:r:ohv");
 165 #endif
 166
 167                 if (c == EOF)
 168                         break;          /* No more options */
 169
 170                 switch (c)
 171                 {
 172                         case 'o':
 173                                 override_redirect = TRUE;
 174                                 break;
 175                         case 'v':
 176                                 printf(VERSION);
 177                                 return EXIT_SUCCESS;
 178                         case 'h':
 179                                 printf(HELP);
 180                                 return EXIT_SUCCESS;
 181                         case 't':
 182                         case 'b':
 183                         case 'l':
 184                         case 'r':
 185                                 panel_sides = g_list_prepend(panel_sides,
 186                                                         (gpointer) c);
 187                                 panel_dirs = g_list_prepend(panel_dirs,
 188                                                 *optarg == '=' ? optarg + 1
 189                                                         : optarg);
 190                                 break;
 191                         default:
 192                                 printf(USAGE);
 193                                 return EXIT_FAILURE;
 194                 }
 195         }
 196
 197         choices_init("ROX-Filer");
 198
 199         gui_support_init();
 200         menu_init();
 201         dnd_init();
 202         filer_init();
 203         mount_init();
 204         options_init();
 205         savebox_init();
 206         type_init();
 207
 208         options_load();
 209
 210         /* Let child processes die */
 211         act.sa_handler = child_died;
 212         sigemptyset(&act.sa_mask);
 213         act.sa_flags = SA_NOCLDSTOP;
 214         sigaction(SIGCHLD, &act, NULL);
 215
 216         if (geteuid() == 0)
 217         {
 218                 if (get_choice("!!!DANGER!!!",
 219                         "Running ROX-Filer as root is VERY dangerous. If I "
 220                         "had a warranty (I don't) then doing this would "
 221                         "void it", 2,
 222                         "Don't click here", "Quit") != 0)
 223                         exit(EXIT_SUCCESS);
 224         }
 225
 226         if (optind == argc && !panel_dirs)
 227                 filer_opendir(getenv("HOME"), FALSE, BOTTOM);
 228         else
 229         {
 230                 int      i = optind;
 231                 GList    *dir = panel_dirs;
 232                 GList    *side = panel_sides;
 233
 234                 while (dir)
 235                 {
 236                         int     c = (int) side->data;
 237
 238                         filer_opendir((char *) dir->data, TRUE,
 239                                         c == 't' ? TOP :
 240                                         c == 'b' ? BOTTOM :
 241                                         c == 'l' ? LEFT :
 242                                         RIGHT);
 243                         dir = dir->next;
 244                         side = side->next;
 245                 }
 246
 247                 g_list_free(dir);
 248                 g_list_free(side);
 249
 250                 while (i < argc)
 251                         filer_opendir(argv[i++], FALSE, BOTTOM);
 252         }
 253
 254         pipe(stderr_pipe);
 255         gdk_input_add(stderr_pipe[0], GDK_INPUT_READ, stderr_cb, NULL);
 256         to_error_log = stderr_pipe[1];
 257
 258         gtk_main();
 259
 260         return EXIT_SUCCESS;
 261 }