ROX-Filer/src/main.c

   1 /* vi: set cindent:
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * By Thomas Leonard, <tal197@ecs.soton.ac.uk>.
   6  */
   7
   8 #include <stdlib.h>
   9 #include <stdio.h>
  10 #include <sys/types.h>
  11 #include <signal.h>
  12 #include <sys/wait.h>
  13 #include <unistd.h>
  14 #include <fcntl.h>
  15
  16 #include <gtk/gtk.h>
  17 #include "collection.h"
  18
  19 #include "main.h"
  20 #include "gui_support.h"
  21 #include "filer.h"
  22 #include "mount.h"
  23 #include "menu.h"
  24 #include "dnd.h"
  25 #include "options.h"
  26 #include "choices.h"
  27 #include "savebox.h"
  28 #include "type.h"
  29
  30 int number_of_windows = 0;      /* Quit when this reaches 0 again... */
  31
  32 static void child_died(int signum)
  33 {
  34         int             status;
  35         int             child;
  36
  37         /* Find out which children exited and allow them to die */
  38         do
  39         {
  40                 child = waitpid(-1, &status, WNOHANG);
  41
  42                 if (child == 0 || child == -1)
  43                         return;
  44
  45                 /* fprintf(stderr, "Child %d exited\n", child); */
  46
  47         } while (1);
  48 }
  49
  50 #define BUFLEN 40
  51 void stderr_cb(gpointer data, gint source, GdkInputCondition condition)
  52 {
  53         char buf[BUFLEN];
  54         static GtkWidget *log = NULL;
  55         static GtkWidget *window = NULL;
  56         ssize_t len;
  57
  58         if (!window)
  59         {
  60                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  61                 gtk_window_set_title(GTK_WINDOW(window), "ROX-Filer error log");
  62                 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
  63                 gtk_window_set_default_size(GTK_WINDOW(window), 600, 300);
  64                 gtk_signal_connect_object(GTK_OBJECT(window), "delete_event",
  65                                 gtk_widget_hide, GTK_OBJECT(window));
  66                 log = gtk_text_new(NULL, NULL);
  67                 gtk_container_add(GTK_CONTAINER(window), log);
  68         }
  69
  70         if (!GTK_WIDGET_MAPPED(window))
  71                 gtk_widget_show_all(window);
  72
  73         len = read(source, buf, BUFLEN);
  74         if (len > 0)
  75                 gtk_text_insert(GTK_TEXT(log), NULL, NULL, NULL, buf, len);
  76 }
  77
  78 int main(int argc, char **argv)
  79 {
  80         int              stderr_pipe[2];
  81         struct sigaction act = {};
  82
  83         gtk_init(&argc, &argv);
  84         choices_init("ROX-Filer");
  85
  86         gui_support_init();
  87         menu_init();
  88         dnd_init();
  89         filer_init();
  90         mount_init();
  91         options_init();
  92         savebox_init();
  93         type_init();
  94
  95         options_load();
  96
  97         /* Let child processes die */
  98         act.sa_handler = child_died;
  99         sigemptyset(&act.sa_mask);
 100         act.sa_flags = SA_NOCLDSTOP;
 101         sigaction(SIGCHLD, &act, NULL);
 102
 103         if (geteuid() == 0)
 104         {
 105                 if (get_choice("!!!DANGER!!!",
 106                         "Running ROX-Filer as root is VERY dangerous. If it "
 107                         "had a warranty (it doesn't) then doing this would "
 108                         "void it.", 2,
 109                         "Don't click here", "Quit") != 0)
 110                         exit(EXIT_SUCCESS);
 111         }
 112
 113         if (argc < 2)
 114                 filer_opendir(getenv("HOME"), FALSE, BOTTOM);
 115         else
 116         {
 117                 int      i = 1;
 118                 gboolean panel = FALSE;
 119                 Side     side = BOTTOM;
 120
 121                 while (i < argc)
 122                 {
 123                         if (argv[i][0] == '-')
 124                         {
 125                                 switch (argv[i][1] + (argv[i][2] << 8))
 126                                 {
 127                                         case 't': side = TOP; break;
 128                                         case 'b': side = BOTTOM; break;
 129                                         case 'l': side = LEFT; break;
 130                                         case 'r': side = RIGHT; break;
 131                                         default:
 132                                                 fprintf(stderr,
 133                                                         "Bad option.\n");
 134                                                 return EXIT_FAILURE;
 135                                 }
 136                                 panel = TRUE;
 137                         }
 138                         else
 139                         {
 140                                 filer_opendir(argv[i], panel, side);
 141                                 panel = FALSE;
 142                                 side = BOTTOM;
 143                         }
 144                         i++;
 145                 }
 146         }
 147
 148         pipe(stderr_pipe);
 149         dup2(stderr_pipe[1], STDERR_FILENO);
 150         gdk_input_add(stderr_pipe[0], GDK_INPUT_READ, stderr_cb, NULL);
 151         fcntl(STDERR_FILENO, F_SETFD, 0);
 152
 153         gtk_main();
 154
 155         return EXIT_SUCCESS;
 156 }