[andy/viking.git] / src / datasource_gc.c

/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net>
 * Copyright (C) 2015, Rob Norris <rw_norris@hotmail.com>
 *
 * 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
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * 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; // 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 ( acq_vik_t *avt );
static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
static void datasource_gc_get_process_options ( datasource_gc_widgets_t *widgets, ProcessOptions *po, gpointer not_used, const gchar *not_used2, const gchar *not_used3 );
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 = {
  N_("Download Geocaches"),
  N_("Geocaching.com Caches"),
  VIK_DATASOURCE_AUTO_LAYER_MANAGEMENT,
  VIK_DATASOURCE_INPUTTYPE_NONE,
  TRUE, // Yes automatically update the display - otherwise we won't see the geocache waypoints!
  TRUE,
  TRUE,
  (VikDataSourceInitFunc)		datasource_gc_init,
  (VikDataSourceCheckExistenceFunc)	datasource_gc_check_existence,
  (VikDataSourceAddSetupWidgetsFunc)	datasource_gc_add_setup_widgets,
  (VikDataSourceGetProcessOptionsFunc)  datasource_gc_get_process_options,
  (VikDataSourceProcessFunc)            a_babel_convert_from,
  (VikDataSourceProgressFunc)		NULL,
  (VikDataSourceAddProgressWidgetsFunc)	NULL,
  (VikDataSourceCleanupFunc)		datasource_gc_cleanup,
  (VikDataSourceOffFunc)                NULL,
};

static VikLayerParam prefs[] = {
  { VIK_LAYER_NUM_TYPES, VIKING_GC_PARAMS_NAMESPACE "username", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com username:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, NULL, NULL },
  { VIK_LAYER_NUM_TYPES, VIKING_GC_PARAMS_NAMESPACE "password", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com password:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, NULL, NULL },
};

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 ( acq_vik_t *avt )
{
  datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
  return widgets;
}

static gchar *datasource_gc_check_existence ()
{
  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;
  }

  /* 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, *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( 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 );

  /* Packing all these widgets */
  GtkBox *box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
  gtk_box_pack_start ( box, num_label, FALSE, FALSE, 5 );
  gtk_box_pack_start ( box, widgets->num_spin, FALSE, FALSE, 5 );
  gtk_box_pack_start ( box, center_label, FALSE, FALSE, 5 );
  gtk_box_pack_start ( box, widgets->center_entry, FALSE, FALSE, 5 );
  gtk_box_pack_start ( box, miles_radius_label, FALSE, FALSE, 5 );
  gtk_box_pack_start ( box, widgets->miles_radius_spin, FALSE, FALSE, 5 );
  gtk_widget_show_all(dialog);
}

static void datasource_gc_get_process_options ( datasource_gc_widgets_t *widgets, ProcessOptions *po, gpointer not_used, const gchar *not_used2, const gchar *not_used3 )
{
  //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 );
  gchar *slat, *slon;
  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();
  }
  // Convert double as string in C locale
  slat = a_coords_dtostr ( lat );
  slon = a_coords_dtostr ( lon );

  // 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
  po->shell_command = g_strdup_printf( "rm -f ~/.geo/caches/*.html ; %s -H ~/.geo/caches -P -n%d -r%.1fM -u %s -p %s %s %s ; %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,
			  slat, slon,
			  GC_PROGRAM2 );
  //g_free ( safe_string );
  g_free ( safe_user );
  g_free ( safe_pass );
  g_free ( slat );
  g_free ( slon );
}

static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets )
{
  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 */
Commit	Line	Data
3333c069 EB	1	/*
	2	* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
	3	*
a482007a	4	* Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net>
17acdaec	5	* Copyright (C) 2015, Rob Norris <rw_norris@hotmail.com>
3333c069 EB	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
8aad4ca3	22	#ifdef HAVE_CONFIG_H
08a1fa12	23	#include "config.h"
8aad4ca3	24	#endif
1ef9e637	25	#ifdef VIK_CONFIG_GEOCACHES
3333c069 EB	26	#include <string.h>
3333c069 EB	27
4c77d5e0	28	#include <glib/gi18n.h>
28c82d8b	29
3333c069 EB	30	#include "viking.h"
	31	#include "babel.h"
	32	#include "gpx.h"
	33	#include "acquire.h"
a5c8699d EB	34	#include "preferences.h"
a5c8699d EB	35
5f96aa1a RN	36	// Could have an array of programs instead...
	37	#define GC_PROGRAM1 "geo-nearest"
	38	#define GC_PROGRAM2 "geo-html2gpx"
	39
a5c8699d EB	40	/* params will be geocaching.username, geocaching.password */
	41	/* we have to make sure these don't collide. */
	42	#define VIKING_GC_PARAMS_GROUP_KEY "geocaching"
	43	#define VIKING_GC_PARAMS_NAMESPACE "geocaching."
	44
3333c069 EB	45
	46	typedef struct {
	47	GtkWidget *num_spin;
5f96aa1a	48	GtkWidget *center_entry; // TODO make separate widgets for lat/lon
28c82d8b EB	49	GtkWidget *miles_radius_spin;
	50
	51	GdkGC *circle_gc;
	52	VikViewport *vvp;
	53	gboolean circle_onscreen;
	54	gint circle_x, circle_y, circle_width;
3333c069 EB	55	} datasource_gc_widgets_t;
	56
	57
307abf54	58	static gpointer datasource_gc_init ( acq_vik_t *avt );
65f0ccab	59	static void datasource_gc_add_setup_widgets ( GtkWidget dialog, VikViewport vvp, gpointer user_data );
17acdaec	60	static void datasource_gc_get_process_options ( datasource_gc_widgets_t widgets, ProcessOptions po, gpointer not_used, const gchar not_used2, const gchar not_used3 );
28c82d8b	61	static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets );
92255687	62	static gchar *datasource_gc_check_existence ();
3333c069	63
28c82d8b EB	64	#define METERSPERMILE 1609.344
28c82d8b EB	65
3333c069	66	VikDataSourceInterface vik_datasource_gc_interface = {
4c77d5e0 GB	67	N_("Download Geocaches"),
4c77d5e0 GB	68	N_("Geocaching.com Caches"),
9cc13848	69	VIK_DATASOURCE_AUTO_LAYER_MANAGEMENT,
28c82d8b	70	VIK_DATASOURCE_INPUTTYPE_NONE,
5f96aa1a	71	TRUE, // Yes automatically update the display - otherwise we won't see the geocache waypoints!
28c82d8b	72	TRUE,
b623177a	73	TRUE,
65f0ccab	74	(VikDataSourceInitFunc) datasource_gc_init,
92255687	75	(VikDataSourceCheckExistenceFunc) datasource_gc_check_existence,
65f0ccab	76	(VikDataSourceAddSetupWidgetsFunc) datasource_gc_add_setup_widgets,
17acdaec RN	77	(VikDataSourceGetProcessOptionsFunc) datasource_gc_get_process_options,
17acdaec RN	78	(VikDataSourceProcessFunc) a_babel_convert_from,
3333c069 EB	79	(VikDataSourceProgressFunc) NULL,
3333c069 EB	80	(VikDataSourceAddProgressWidgetsFunc) NULL,
2b756ea0 RN	81	(VikDataSourceCleanupFunc) datasource_gc_cleanup,
2b756ea0 RN	82	(VikDataSourceOffFunc) NULL,
3333c069 EB	83	};
3333c069 EB	84
a5c8699d	85	static VikLayerParam prefs[] = {
a87f8fa1 RN	86	{ VIK_LAYER_NUM_TYPES, VIKING_GC_PARAMS_NAMESPACE "username", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com username:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, NULL, NULL },
a87f8fa1 RN	87	{ VIK_LAYER_NUM_TYPES, VIKING_GC_PARAMS_NAMESPACE "password", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com password:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL, NULL, NULL },
a5c8699d EB	88	};
	89
	90	void a_datasource_gc_init()
	91	{
	92	a_preferences_register_group ( VIKING_GC_PARAMS_GROUP_KEY, "Geocaching" );
	93
	94	VikLayerParamData tmp;
	95	tmp.s = "username";
	96	a_preferences_register(prefs, tmp, VIKING_GC_PARAMS_GROUP_KEY);
	97	tmp.s = "password";
	98	a_preferences_register(prefs+1, tmp, VIKING_GC_PARAMS_GROUP_KEY);
	99	}
	100
	101
307abf54	102	static gpointer datasource_gc_init ( acq_vik_t *avt )
65f0ccab AF	103	{
	104	datasource_gc_widgets_t widgets = g_malloc(sizeof(widgets));
	105	return widgets;
	106	}
	107
92255687 EB	108	static gchar *datasource_gc_check_existence ()
92255687 EB	109	{
5f96aa1a RN	110	gboolean OK1 = FALSE;
	111	gboolean OK2 = FALSE;
	112
	113	gchar *location1 = g_find_program_in_path(GC_PROGRAM1);
	114	if ( location1 ) {
	115	g_free(location1);
	116	OK1 = TRUE;
92255687	117	}
5f96aa1a RN	118
	119	gchar *location2 = g_find_program_in_path(GC_PROGRAM2);
	120	if ( location2 ) {
	121	g_free(location2);
	122	OK2 = TRUE;
	123	}
	124
	125	if ( OK1 && OK2 )
	126	return NULL;
	127
	128	return g_strdup_printf(_("Can't find %s or %s in path! Check that you have installed it correctly."), GC_PROGRAM1, GC_PROGRAM2);
92255687	129	}
3333c069	130
28c82d8b EB	131	static void datasource_gc_draw_circle ( datasource_gc_widgets_t *widgets )
	132	{
	133	gdouble lat, lon;
	134	if ( widgets->circle_onscreen ) {
	135	vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
	136	widgets->circle_x - widgets->circle_width/2,
	137	widgets->circle_y - widgets->circle_width/2,
	138	widgets->circle_width, widgets->circle_width, 0, 360*64 );
	139	}
	140	/* calculate widgets circle_x and circle_y */
	141	/* split up lat,lon into lat and lon */
	142	if ( 2 == sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
	143	struct LatLon ll;
	144	VikCoord c;
	145	gint x, y;
	146
	147	ll.lat = lat; ll.lon = lon;
	148	vik_coord_load_from_latlon ( &c, vik_viewport_get_coord_mode ( widgets->vvp ), &ll );
	149	vik_viewport_coord_to_screen ( widgets->vvp, &c, &x, &y );
	150	/* TODO: real calculation */
	151	if ( x > -1000 && y > -1000 && x < (vik_viewport_get_width(widgets->vvp) + 1000) &&
	152	y < (vik_viewport_get_width(widgets->vvp) + 1000) ) {
	153	VikCoord c1, c2;
	154	gdouble pixels_per_meter;
	155
	156	widgets->circle_x = x;
	157	widgets->circle_y = y;
	158
	159	/* determine miles per pixel */
	160	vik_viewport_screen_to_coord ( widgets->vvp, 0, vik_viewport_get_height(widgets->vvp)/2, &c1 );
	161	vik_viewport_screen_to_coord ( widgets->vvp, vik_viewport_get_width(widgets->vvp), vik_viewport_get_height(widgets->vvp)/2, &c2 );
	162	pixels_per_meter = ((gdouble)vik_viewport_get_width(widgets->vvp)) / vik_coord_diff(&c1, &c2);
	163
	164	/* this is approximate */
	165	widgets->circle_width = gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) )
	166	* METERSPERMILE * pixels_per_meter * 2;
	167
	168	vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
	169	widgets->circle_x - widgets->circle_width/2,
	170	widgets->circle_y - widgets->circle_width/2,
	171	widgets->circle_width, widgets->circle_width, 0, 360*64 );
	172
	173	widgets->circle_onscreen = TRUE;
	174	} else
	175	widgets->circle_onscreen = FALSE;
	176	}
	177
	178	/* see if onscreen */
	179	/* okay */
	180	vik_viewport_sync ( widgets->vvp );
	181	}
	182
65f0ccab	183	static void datasource_gc_add_setup_widgets ( GtkWidget dialog, VikViewport vvp, gpointer user_data )
3333c069	184	{
65f0ccab	185	datasource_gc_widgets_t widgets = (datasource_gc_widgets_t )user_data;
28c82d8b	186	GtkWidget num_label, center_label, *miles_radius_label;
3333c069 EB	187	struct LatLon ll;
	188	gchar *s_ll;
	189
4c77d5e0	190	num_label = gtk_label_new (_("Number geocaches:"));
5f96aa1a	191	widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 20, 1, 1000, 10, 20, 0 )), 10, 0 );
4c77d5e0	192	center_label = gtk_label_new (_("Centered around:"));
3333c069	193	widgets->center_entry = gtk_entry_new();
28c82d8b	194	miles_radius_label = gtk_label_new ("Miles Radius:");
5f96aa1a	195	widgets->miles_radius_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 5, 1, 1000, 1, 20, 0 )), 25, 1 );
3333c069 EB	196
	197	vik_coord_to_latlon ( vik_viewport_get_center(vvp), &ll );
	198	s_ll = g_strdup_printf("%f,%f", ll.lat, ll.lon );
	199	gtk_entry_set_text ( GTK_ENTRY(widgets->center_entry), s_ll );
	200	g_free ( s_ll );
	201
28c82d8b EB	202
	203	widgets->vvp = vvp;
	204	widgets->circle_gc = vik_viewport_new_gc ( vvp, "#000000", 3 );
	205	gdk_gc_set_function ( widgets->circle_gc, GDK_INVERT );
5f96aa1a	206	widgets->circle_onscreen = TRUE;
28c82d8b EB	207	datasource_gc_draw_circle ( widgets );
	208
	209	g_signal_connect_swapped ( G_OBJECT(widgets->center_entry), "changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
	210	g_signal_connect_swapped ( G_OBJECT(widgets->miles_radius_spin), "value-changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
	211
0328eaf5 GB	212	/* Packing all these widgets */
	213	GtkBox *box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
	214	gtk_box_pack_start ( box, num_label, FALSE, FALSE, 5 );
	215	gtk_box_pack_start ( box, widgets->num_spin, FALSE, FALSE, 5 );
	216	gtk_box_pack_start ( box, center_label, FALSE, FALSE, 5 );
	217	gtk_box_pack_start ( box, widgets->center_entry, FALSE, FALSE, 5 );
	218	gtk_box_pack_start ( box, miles_radius_label, FALSE, FALSE, 5 );
	219	gtk_box_pack_start ( box, widgets->miles_radius_spin, FALSE, FALSE, 5 );
3333c069	220	gtk_widget_show_all(dialog);
3333c069 EB	221	}
3333c069 EB	222
17acdaec	223	static void datasource_gc_get_process_options ( datasource_gc_widgets_t widgets, ProcessOptions po, gpointer not_used, const gchar not_used2, const gchar not_used3 )
3333c069	224	{
5f96aa1a	225	//gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
a5c8699d EB	226	gchar *safe_user = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "username")->s );
a5c8699d EB	227	gchar *safe_pass = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "password")->s );
5dc7ffd5	228	gchar slat, slon;
5f96aa1a RN	229	gdouble lat, lon;
	230	if ( 2 != sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
	231	g_warning (_("Broken input - using some defaults"));
	232	lat = a_vik_get_default_lat();
	233	lon = a_vik_get_default_long();
	234	}
5dc7ffd5 GB	235	// Convert double as string in C locale
	236	slat = a_coords_dtostr ( lat );
	237	slon = a_coords_dtostr ( lon );
5f96aa1a RN	238
	239	// Unix specific shell commands
	240	// 1. Remove geocache webpages (maybe be from different location)
	241	// 2, Gets upto n geocaches as webpages for the specified user in radius r Miles
	242	// 3. Converts webpages into a single waypoint file, ignoring zero location waypoints '-z'
	243	// Probably as they are premium member only geocaches and user is only a basic member
	244	// Final output is piped into GPSbabel - hence removal of *html is done at beginning of the command sequence
8d2d169f	245	po->shell_command = g_strdup_printf( "rm -f ~/.geo/caches/.html ; %s -H ~/.geo/caches -P -n%d -r%.1fM -u %s -p %s %s %s ; %s -z ~/.geo/caches/.html ",
5f96aa1a RN	246	GC_PROGRAM1,
	247	gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ),
	248	gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) ),
	249	safe_user,
	250	safe_pass,
5dc7ffd5	251	slat, slon,
5f96aa1a	252	GC_PROGRAM2 );
5f96aa1a	253	//g_free ( safe_string );
a5c8699d EB	254	g_free ( safe_user );
a5c8699d EB	255	g_free ( safe_pass );
5dc7ffd5 GB	256	g_free ( slat );
5dc7ffd5 GB	257	g_free ( slon );
3333c069 EB	258	}
3333c069 EB	259
28c82d8b	260	static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets )
3333c069	261	{
28c82d8b EB	262	if ( widgets->circle_onscreen ) {
	263	vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
	264	widgets->circle_x - widgets->circle_width/2,
	265	widgets->circle_y - widgets->circle_width/2,
	266	widgets->circle_width, widgets->circle_width, 0, 360*64 );
	267	vik_viewport_sync( widgets->vvp );
	268	}
	269	g_free ( widgets );
3333c069	270	}
1ef9e637	271	#endif /* VIK_CONFIG_GEOCACHES */