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/icons.h"
  28 #include "mapcache.h"
  29 #include "background.h"
  30 #include "dems.h"
  31 #include "curl_download.h"
  32 #include "preferences.h"
  33
  34 #ifdef VIK_CONFIG_GEOCACHES
  35 void a_datasource_gc_init();
  36 #endif
  37
  38 #include <stdlib.h>
  39 #include <string.h>
  40
  41 #include <glib/gprintf.h>
  42 #include <glib/gi18n.h>
  43
  44 #include "modules.h"
  45
  46 #define MAX_WINDOWS 1024
  47
  48 static guint window_count = 0;
  49
  50 static VikWindow *new_window ();
  51 static void open_window ( VikWindow *vw, const gchar **files );
  52 static void destroy( GtkWidget *widget,
  53                      gpointer   data );
  54
  55
  56 /* Another callback */
  57 static void destroy( GtkWidget *widget,
  58                      gpointer   data )
  59 {
  60     if ( ! --window_count )
  61       gtk_main_quit ();
  62 }
  63
  64 static VikWindow *new_window ()
  65 {
  66   if ( window_count < MAX_WINDOWS )
  67   {
  68     VikWindow *vw = vik_window_new ();
  69
  70     g_signal_connect (G_OBJECT (vw), "destroy",
  71                       G_CALLBACK (destroy), NULL);
  72     g_signal_connect (G_OBJECT (vw), "newwindow",
  73                       G_CALLBACK (new_window), NULL);
  74     g_signal_connect (G_OBJECT (vw), "openwindow",
  75                       G_CALLBACK (open_window), NULL);
  76
  77     gtk_widget_show_all ( GTK_WIDGET(vw) );
  78
  79     window_count++;
  80
  81     return vw;
  82   }
  83   return NULL;
  84 }
  85
  86 static void open_window ( VikWindow *vw, const gchar **files )
  87 {
  88   VikWindow *newvw = new_window();
  89   gboolean change_fn = (!files[1]); /* only change fn if one file */
  90   if ( newvw )
  91     while ( *files ) {
  92       vik_window_open_file ( newvw, *(files++), change_fn );
  93     }
  94 }
  95
  96 /* Options */
  97 static gboolean version = FALSE;
  98
  99 static GOptionEntry entries[] =
 100 {
 101   { "version", 'v', 0, G_OPTION_ARG_NONE, &version, N_("Show version"), NULL },
 102   { NULL }
 103 };
 104
 105 int main( int argc, char *argv[] )
 106 {
 107   VikWindow *first_window;
 108   GdkPixbuf *main_icon;
 109   gboolean dashdash_already = FALSE;
 110   int i = 0;
 111   GError *error = NULL;
 112   gboolean gui_initialized;
 113
 114   bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
 115   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 116   textdomain (GETTEXT_PACKAGE);
 117
 118   g_thread_init ( NULL );
 119   gdk_threads_init ();
 120
 121   gui_initialized = gtk_init_with_args (&argc, &argv, "files+", entries, NULL, &error);
 122   if (!gui_initialized)
 123   {
 124     /* check if we have an error message */
 125     if (error == NULL)
 126     {
 127       /* no error message, the GUI initialization failed */
 128       const gchar *display_name = gdk_get_display_arg_name ();
 129       g_fprintf (stderr, "Failed to open display: %s\n", (display_name != NULL) ? display_name : " ");
 130     }
 131     else
 132     {
 133       /* yep, there's an error, so print it */
 134       g_fprintf (stderr, "Parsing command line options failed: %s\n", error->message);
 135       g_error_free (error);
 136       g_fprintf (stderr, "Run \"%s --help\" to see the list of recognized options.\n",argv[0]);
 137     }
 138     return EXIT_FAILURE;
 139   }
 140
 141   if (version)
 142   {
 143     g_printf ("%s %s, Copyright (c) 2003-2007 Evan Battaglia\n", PACKAGE_NAME, PACKAGE_VERSION);
 144     return EXIT_SUCCESS;
 145   }
 146
 147   curl_download_init();
 148
 149   /* Init modules/plugins */
 150   modules_init();
 151
 152   a_mapcache_init ();
 153   a_background_init ();
 154   a_preferences_init ();
 155
 156 #ifdef VIK_CONFIG_GEOCACHES
 157   a_datasource_gc_init();
 158 #endif
 159
 160   /* Set the icon */
 161   main_icon = gdk_pixbuf_from_pixdata(&viking_icon, FALSE, NULL);
 162   gtk_window_set_default_icon(main_icon);
 163
 164   /* Create the first window */
 165   first_window = new_window();
 166
 167   gdk_threads_enter ();
 168   while ( ++i < argc ) {
 169     if ( strcmp(argv[i],"--") == 0 && !dashdash_already )
 170       dashdash_already = TRUE; /* hack to open '-' */
 171     else
 172       vik_window_open_file ( first_window, argv[i], argc == 2 );
 173   }
 174
 175   gtk_main ();
 176   gdk_threads_leave ();
 177
 178   a_mapcache_uninit ();
 179   a_dems_uninit ();
 180   a_preferences_uninit ();
 181
 182   return 0;
 183 }