src/datasource_gc.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 #ifdef VIK_CONFIG_GEOCACHES
  22 #include <string.h>
  23
  24 #include "viking.h"
  25 #include "babel.h"
  26 #include "gpx.h"
  27 #include "acquire.h"
  28
  29 typedef struct {
  30   GtkWidget *num_spin;
  31   GtkWidget *center_entry;
  32 } datasource_gc_widgets_t;
  33
  34
  35 static gpointer datasource_gc_init ( );
  36 static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
  37 static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type );
  38 static void datasource_gc_cleanup ( gpointer data );
  39 static gchar *datasource_gc_check_existence ();
  40
  41 VikDataSourceInterface vik_datasource_gc_interface = {
  42   "Download Geocaches",
  43   "Geocaching.com Caches",
  44   VIK_DATASOURCE_SHELL_CMD,
  45   VIK_DATASOURCE_ADDTOLAYER,
  46   (VikDataSourceInitFunc)               datasource_gc_init,
  47   (VikDataSourceCheckExistenceFunc)     datasource_gc_check_existence,
  48   (VikDataSourceAddSetupWidgetsFunc)    datasource_gc_add_setup_widgets,
  49   (VikDataSourceGetCmdStringFunc)       datasource_gc_get_cmd_string,
  50   (VikDataSourceProgressFunc)           NULL,
  51   (VikDataSourceAddProgressWidgetsFunc) NULL,
  52   (VikDataSourceCleanupFunc)            datasource_gc_cleanup
  53 };
  54
  55 static gpointer datasource_gc_init ( )
  56 {
  57   datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
  58   return widgets;
  59 }
  60
  61 static gchar *datasource_gc_check_existence ()
  62 {
  63   gchar *gcget_location = g_find_program_in_path("gcget");
  64   if ( gcget_location ) {
  65     g_free(gcget_location);
  66     return NULL;
  67   }
  68   return g_strdup("Can't find gcget in path! Check that you have installed gcget correctly.");
  69 }
  70
  71 static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
  72 {
  73   datasource_gc_widgets_t *widgets = (datasource_gc_widgets_t *)user_data;
  74   GtkWidget *num_label, *center_label;
  75   struct LatLon ll;
  76   gchar *s_ll;
  77
  78   num_label = gtk_label_new ("Number geocaches:");
  79   widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 100, 1, 1000, 10, 20, 50 )), 25, 0 );
  80   center_label = gtk_label_new ("Centered around:");
  81   widgets->center_entry = gtk_entry_new();
  82
  83   vik_coord_to_latlon ( vik_viewport_get_center(vvp), &ll );
  84   s_ll = g_strdup_printf("%f,%f", ll.lat, ll.lon );
  85   gtk_entry_set_text ( GTK_ENTRY(widgets->center_entry), s_ll );
  86   g_free ( s_ll );
  87
  88   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), num_label, FALSE, FALSE, 5 );
  89   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->num_spin, FALSE, FALSE, 5 );
  90   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), center_label, FALSE, FALSE, 5 );
  91   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->center_entry, FALSE, FALSE, 5 );
  92   gtk_widget_show_all(dialog);
  93 }
  94
  95 static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type )
  96 {
  97   /* TODO: we don't actually need GPSBabel... :-) */
  98   gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
  99   *cmd = g_strdup_printf( "gcget %s %d", safe_string, gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ) );
 100   *input_type = g_strdup("geo");
 101   g_free ( safe_string );
 102 }
 103
 104 static void datasource_gc_cleanup ( gpointer data )
 105 {
 106   g_free ( data );
 107 }
 108 #endif /* VIK_CONFIG_GEOCACHES */