src/main.c

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG
  23 #include "config.h"
  24 #endif /* HAVE_CONFIG */
  25
  26 #include "viking.h"
  27 #include "icons/viking_icon.png_h"
  28 #include "mapcache.h"
  29 #include "background.h"
  30 #include "dems.h"
  31 #include "curl_download.h"
  32
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 #include <glib/gprintf.h>
  37 #include <glib/gi18n.h>
  38
  39 #include "modules.h"
  40
  41 #define MAX_WINDOWS 1024
  42
  43 static guint window_count = 0;
  44
  45 static VikWindow *new_window ();
  46 static void open_window ( VikWindow *vw, const gchar **files );
  47 static void destroy( GtkWidget *widget,
  48                      gpointer   data );
  49
  50
  51 /* Another callback */
  52 static void destroy( GtkWidget *widget,
  53                      gpointer   data )
  54 {
  55     if ( ! --window_count )
  56       gtk_main_quit ();
  57 }
  58
  59 static VikWindow *new_window ()
  60 {
  61   if ( window_count < MAX_WINDOWS )
  62   {
  63     VikWindow *vw = vik_window_new ();
  64
  65     g_signal_connect (G_OBJECT (vw), "destroy",
  66                       G_CALLBACK (destroy), NULL);
  67     g_signal_connect (G_OBJECT (vw), "newwindow",
  68                       G_CALLBACK (new_window), NULL);
  69     g_signal_connect (G_OBJECT (vw), "openwindow",
  70                       G_CALLBACK (open_window), NULL);
  71
  72     gtk_widget_show_all ( GTK_WIDGET(vw) );
  73
  74     window_count++;
  75
  76     return vw;
  77   }
  78   return NULL;
  79 }
  80
  81 static void open_window ( VikWindow *vw, const gchar **files )
  82 {
  83   VikWindow *newvw = new_window();
  84   gboolean change_fn = (!files[1]); /* only change fn if one file */
  85   if ( newvw )
  86     while ( *files ) {
  87       vik_window_open_file ( newvw, *(files++), change_fn );
  88     }
  89 }
  90
  91 /* Options */
  92 static gboolean version = FALSE;
  93
  94 static GOptionEntry entries[] =
  95 {
  96   { "version", 'v', 0, G_OPTION_ARG_NONE, &version, "Show version", NULL },
  97   { NULL }
  98 };
  99
 100 int main( int argc, char *argv[] )
 101 {
 102   VikWindow *first_window;
 103   GdkPixbuf *main_icon;
 104   gboolean dashdash_already = FALSE;
 105   int i = 0;
 106   GError *error = NULL;
 107   gboolean gui_initialized;
 108
 109   bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
 110   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 111   textdomain (GETTEXT_PACKAGE);
 112
 113   g_thread_init ( NULL );
 114   gdk_threads_init ();
 115
 116   gui_initialized = gtk_init_with_args (&argc, &argv, "files+", entries, NULL, &error);
 117   if (!gui_initialized)
 118   {
 119     /* check if we have an error message */
 120     if (error == NULL)
 121     {
 122       /* no error message, the GUI initialization failed */
 123       const gchar *display_name = gdk_get_display_arg_name ();
 124       g_fprintf (stderr, "Failed to open display: %s\n", (display_name != NULL) ? display_name : " ");
 125     }
 126     else
 127     {
 128       /* yep, there's an error, so print it */
 129       g_fprintf (stderr, "Parsing command line options failed: %s\n", error->message);
 130       g_error_free (error);
 131       g_fprintf (stderr, "Run \"%s --help\" to see the list of recognized options.\n",argv[0]);
 132     }
 133     return EXIT_FAILURE;
 134   }
 135
 136   if (version)
 137   {
 138     g_printf ("%s %s, Copyright (c) 2003-2007 Evan Battaglia\n", PACKAGE_NAME, PACKAGE_VERSION);
 139     return EXIT_SUCCESS;
 140   }
 141
 142   curl_download_init();
 143
 144   /* Init modules/plugins */
 145   modules_init();
 146
 147   a_mapcache_init ();
 148   a_background_init ();
 149   vik_layer_cursors_init ();
 150   vik_window_cursors_init ();
 151
 152   /* Set the icon */
 153   main_icon = gdk_pixbuf_from_pixdata(&viking_icon, FALSE, NULL);
 154   gtk_window_set_default_icon(main_icon);
 155
 156   /* Create the first window */
 157   first_window = new_window();
 158
 159   gdk_threads_enter ();
 160   while ( ++i < argc ) {
 161     if ( strcmp(argv[i],"--") == 0 && !dashdash_already )
 162       dashdash_already = TRUE; /* hack to open '-' */
 163     else
 164       vik_window_open_file ( first_window, argv[i], argc == 2 );
 165   }
 166
 167   gtk_main ();
 168   gdk_threads_leave ();
 169
 170   a_mapcache_uninit ();
 171   a_dems_uninit ();
 172   vik_layer_cursors_uninit ();
 173   vik_window_cursors_uninit ();
 174
 175   return 0;
 176 }