/*
* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
- * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
+ * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef VIK_CONFIG_GEOCACHES
#include <string.h>
+#include <glib/gi18n.h>
+
#include "viking.h"
#include "babel.h"
#include "gpx.h"
#include "acquire.h"
+#include "preferences.h"
+
+// Could have an array of programs instead...
+#define GC_PROGRAM1 "geo-nearest"
+#define GC_PROGRAM2 "geo-html2gpx"
+
+/* params will be geocaching.username, geocaching.password */
+/* we have to make sure these don't collide. */
+#define VIKING_GC_PARAMS_GROUP_KEY "geocaching"
+#define VIKING_GC_PARAMS_NAMESPACE "geocaching."
+
typedef struct {
GtkWidget *num_spin;
- GtkWidget *center_entry;
+ GtkWidget *center_entry; // TODO make separate widgets for lat/lon
+ GtkWidget *miles_radius_spin;
+
+ GdkGC *circle_gc;
+ VikViewport *vvp;
+ gboolean circle_onscreen;
+ gint circle_x, circle_y, circle_width;
} datasource_gc_widgets_t;
static gpointer datasource_gc_init ( );
static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
-static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type );
-static void datasource_gc_cleanup ( gpointer data );
+static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type );
+static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets );
static gchar *datasource_gc_check_existence ();
+#define METERSPERMILE 1609.344
+
VikDataSourceInterface vik_datasource_gc_interface = {
- "Download Geocaches",
- "Geocaching.com Caches",
+ N_("Download Geocaches"),
+ N_("Geocaching.com Caches"),
VIK_DATASOURCE_SHELL_CMD,
VIK_DATASOURCE_ADDTOLAYER,
+ VIK_DATASOURCE_INPUTTYPE_NONE,
+ TRUE, // Yes automatically update the display - otherwise we won't see the geocache waypoints!
+ TRUE,
(VikDataSourceInitFunc) datasource_gc_init,
(VikDataSourceCheckExistenceFunc) datasource_gc_check_existence,
(VikDataSourceAddSetupWidgetsFunc) datasource_gc_add_setup_widgets,
(VikDataSourceGetCmdStringFunc) datasource_gc_get_cmd_string,
+ (VikDataSourceProcessFunc) NULL,
(VikDataSourceProgressFunc) NULL,
(VikDataSourceAddProgressWidgetsFunc) NULL,
- (VikDataSourceCleanupFunc) datasource_gc_cleanup
+ (VikDataSourceCleanupFunc) datasource_gc_cleanup,
+ (VikDataSourceOffFunc) NULL,
+};
+
+static VikLayerParam prefs[] = {
+ { VIKING_GC_PARAMS_NAMESPACE "username", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com username:"), VIK_LAYER_WIDGET_ENTRY },
+ { VIKING_GC_PARAMS_NAMESPACE "password", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com password:"), VIK_LAYER_WIDGET_ENTRY },
};
+void a_datasource_gc_init()
+{
+ a_preferences_register_group ( VIKING_GC_PARAMS_GROUP_KEY, "Geocaching" );
+
+ VikLayerParamData tmp;
+ tmp.s = "username";
+ a_preferences_register(prefs, tmp, VIKING_GC_PARAMS_GROUP_KEY);
+ tmp.s = "password";
+ a_preferences_register(prefs+1, tmp, VIKING_GC_PARAMS_GROUP_KEY);
+}
+
+
static gpointer datasource_gc_init ( )
{
datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
static gchar *datasource_gc_check_existence ()
{
- gchar *gcget_location = g_find_program_in_path("gcget");
- if ( gcget_location ) {
- g_free(gcget_location);
+ gboolean OK1 = FALSE;
+ gboolean OK2 = FALSE;
+
+ gchar *location1 = g_find_program_in_path(GC_PROGRAM1);
+ if ( location1 ) {
+ g_free(location1);
+ OK1 = TRUE;
+ }
+
+ gchar *location2 = g_find_program_in_path(GC_PROGRAM2);
+ if ( location2 ) {
+ g_free(location2);
+ OK2 = TRUE;
+ }
+
+ if ( OK1 && OK2 )
return NULL;
+
+ return g_strdup_printf(_("Can't find %s or %s in path! Check that you have installed it correctly."), GC_PROGRAM1, GC_PROGRAM2);
+}
+
+static void datasource_gc_draw_circle ( datasource_gc_widgets_t *widgets )
+{
+ gdouble lat, lon;
+ if ( widgets->circle_onscreen ) {
+ vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
+ widgets->circle_x - widgets->circle_width/2,
+ widgets->circle_y - widgets->circle_width/2,
+ widgets->circle_width, widgets->circle_width, 0, 360*64 );
+ }
+ /* calculate widgets circle_x and circle_y */
+ /* split up lat,lon into lat and lon */
+ if ( 2 == sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
+ struct LatLon ll;
+ VikCoord c;
+ gint x, y;
+
+ ll.lat = lat; ll.lon = lon;
+ vik_coord_load_from_latlon ( &c, vik_viewport_get_coord_mode ( widgets->vvp ), &ll );
+ vik_viewport_coord_to_screen ( widgets->vvp, &c, &x, &y );
+ /* TODO: real calculation */
+ if ( x > -1000 && y > -1000 && x < (vik_viewport_get_width(widgets->vvp) + 1000) &&
+ y < (vik_viewport_get_width(widgets->vvp) + 1000) ) {
+ VikCoord c1, c2;
+ gdouble pixels_per_meter;
+
+ widgets->circle_x = x;
+ widgets->circle_y = y;
+
+ /* determine miles per pixel */
+ vik_viewport_screen_to_coord ( widgets->vvp, 0, vik_viewport_get_height(widgets->vvp)/2, &c1 );
+ vik_viewport_screen_to_coord ( widgets->vvp, vik_viewport_get_width(widgets->vvp), vik_viewport_get_height(widgets->vvp)/2, &c2 );
+ pixels_per_meter = ((gdouble)vik_viewport_get_width(widgets->vvp)) / vik_coord_diff(&c1, &c2);
+
+ /* this is approximate */
+ widgets->circle_width = gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) )
+ * METERSPERMILE * pixels_per_meter * 2;
+
+ vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
+ widgets->circle_x - widgets->circle_width/2,
+ widgets->circle_y - widgets->circle_width/2,
+ widgets->circle_width, widgets->circle_width, 0, 360*64 );
+
+ widgets->circle_onscreen = TRUE;
+ } else
+ widgets->circle_onscreen = FALSE;
}
- return g_strdup("Can't find gcget in path! Check that you have installed gcget correctly.");
+
+ /* see if onscreen */
+ /* okay */
+ vik_viewport_sync ( widgets->vvp );
}
static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
{
datasource_gc_widgets_t *widgets = (datasource_gc_widgets_t *)user_data;
- GtkWidget *num_label, *center_label;
+ GtkWidget *num_label, *center_label, *miles_radius_label;
struct LatLon ll;
gchar *s_ll;
- num_label = gtk_label_new ("Number geocaches:");
- widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 100, 1, 1000, 10, 20, 50 )), 25, 0 );
- center_label = gtk_label_new ("Centered around:");
+ num_label = gtk_label_new (_("Number geocaches:"));
+ widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 20, 1, 1000, 10, 20, 0 )), 10, 0 );
+ center_label = gtk_label_new (_("Centered around:"));
widgets->center_entry = gtk_entry_new();
+ miles_radius_label = gtk_label_new ("Miles Radius:");
+ widgets->miles_radius_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 5, 1, 1000, 1, 20, 0 )), 25, 1 );
vik_coord_to_latlon ( vik_viewport_get_center(vvp), &ll );
s_ll = g_strdup_printf("%f,%f", ll.lat, ll.lon );
gtk_entry_set_text ( GTK_ENTRY(widgets->center_entry), s_ll );
g_free ( s_ll );
+
+ widgets->vvp = vvp;
+ widgets->circle_gc = vik_viewport_new_gc ( vvp, "#000000", 3 );
+ gdk_gc_set_function ( widgets->circle_gc, GDK_INVERT );
+ widgets->circle_onscreen = TRUE;
+ datasource_gc_draw_circle ( widgets );
+
+ g_signal_connect_swapped ( G_OBJECT(widgets->center_entry), "changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
+ g_signal_connect_swapped ( G_OBJECT(widgets->miles_radius_spin), "value-changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
+
gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), num_label, FALSE, FALSE, 5 );
gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->num_spin, FALSE, FALSE, 5 );
gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), center_label, FALSE, FALSE, 5 );
gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->center_entry, FALSE, FALSE, 5 );
+ gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), miles_radius_label, FALSE, FALSE, 5 );
+ gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->miles_radius_spin, FALSE, FALSE, 5 );
gtk_widget_show_all(dialog);
}
-static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type )
+static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type )
{
- /* TODO: we don't actually need GPSBabel... :-) */
- gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
- *cmd = g_strdup_printf( "gcget %s %d", safe_string, gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ) );
- *input_type = g_strdup("geo");
- g_free ( safe_string );
+ //gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
+ gchar *safe_user = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "username")->s );
+ gchar *safe_pass = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "password")->s );
+ gdouble lat, lon;
+ if ( 2 != sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
+ g_warning (_("Broken input - using some defaults"));
+ lat = a_vik_get_default_lat();
+ lon = a_vik_get_default_long();
+ }
+
+ // Unix specific shell commands
+ // 1. Remove geocache webpages (maybe be from different location)
+ // 2, Gets upto n geocaches as webpages for the specified user in radius r Miles
+ // 3. Converts webpages into a single waypoint file, ignoring zero location waypoints '-z'
+ // Probably as they are premium member only geocaches and user is only a basic member
+ // Final output is piped into GPSbabel - hence removal of *html is done at beginning of the command sequence
+ *cmd = g_strdup_printf( "rm -f ~/.geo/caches/*html ; %s -P -n%d -r%.1fM -u %s -p %s %.4f %.4f ; %s -z ~/.geo/caches/*html ",
+ GC_PROGRAM1,
+ gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ),
+ gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) ),
+ safe_user,
+ safe_pass,
+ lat, lon,
+ GC_PROGRAM2 );
+ *input_file_type = NULL;
+ //g_free ( safe_string );
+ g_free ( safe_user );
+ g_free ( safe_pass );
}
-static void datasource_gc_cleanup ( gpointer data )
+static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets )
{
- g_free ( data );
+ if ( widgets->circle_onscreen ) {
+ vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
+ widgets->circle_x - widgets->circle_width/2,
+ widgets->circle_y - widgets->circle_width/2,
+ widgets->circle_width, widgets->circle_width, 0, 360*64 );
+ vik_viewport_sync( widgets->vvp );
+ }
+ g_free ( widgets );
}
+#endif /* VIK_CONFIG_GEOCACHES */