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