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