2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net>
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.
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.
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
24 #ifdef VIK_CONFIG_GEOCACHES
27 #include <glib/gi18n.h>
33 #include "preferences.h"
35 // Could have an array of programs instead...
36 #define GC_PROGRAM1 "geo-nearest"
37 #define GC_PROGRAM2 "geo-html2gpx"
39 /* params will be geocaching.username, geocaching.password */
40 /* we have to make sure these don't collide. */
41 #define VIKING_GC_PARAMS_GROUP_KEY "geocaching"
42 #define VIKING_GC_PARAMS_NAMESPACE "geocaching."
47 GtkWidget *center_entry; // TODO make separate widgets for lat/lon
48 GtkWidget *miles_radius_spin;
52 gboolean circle_onscreen;
53 gint circle_x, circle_y, circle_width;
54 } datasource_gc_widgets_t;
57 static gpointer datasource_gc_init ( );
58 static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
59 static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type, gpointer not_used );
60 static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets );
61 static gchar *datasource_gc_check_existence ();
63 #define METERSPERMILE 1609.344
65 VikDataSourceInterface vik_datasource_gc_interface = {
66 N_("Download Geocaches"),
67 N_("Geocaching.com Caches"),
68 VIK_DATASOURCE_ADDTOLAYER,
69 VIK_DATASOURCE_INPUTTYPE_NONE,
70 TRUE, // Yes automatically update the display - otherwise we won't see the geocache waypoints!
72 (VikDataSourceInitFunc) datasource_gc_init,
73 (VikDataSourceCheckExistenceFunc) datasource_gc_check_existence,
74 (VikDataSourceAddSetupWidgetsFunc) datasource_gc_add_setup_widgets,
75 (VikDataSourceGetCmdStringFunc) datasource_gc_get_cmd_string,
76 (VikDataSourceProcessFunc) a_babel_convert_from_shellcommand,
77 (VikDataSourceProgressFunc) NULL,
78 (VikDataSourceAddProgressWidgetsFunc) NULL,
79 (VikDataSourceCleanupFunc) datasource_gc_cleanup,
80 (VikDataSourceOffFunc) NULL,
83 static VikLayerParam prefs[] = {
84 { VIKING_GC_PARAMS_NAMESPACE "username", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com username:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL },
85 { VIKING_GC_PARAMS_NAMESPACE "password", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com password:"), VIK_LAYER_WIDGET_ENTRY, NULL, NULL, NULL },
88 void a_datasource_gc_init()
90 a_preferences_register_group ( VIKING_GC_PARAMS_GROUP_KEY, "Geocaching" );
92 VikLayerParamData tmp;
94 a_preferences_register(prefs, tmp, VIKING_GC_PARAMS_GROUP_KEY);
96 a_preferences_register(prefs+1, tmp, VIKING_GC_PARAMS_GROUP_KEY);
100 static gpointer datasource_gc_init ( )
102 datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
106 static gchar *datasource_gc_check_existence ()
108 gboolean OK1 = FALSE;
109 gboolean OK2 = FALSE;
111 gchar *location1 = g_find_program_in_path(GC_PROGRAM1);
117 gchar *location2 = g_find_program_in_path(GC_PROGRAM2);
126 return g_strdup_printf(_("Can't find %s or %s in path! Check that you have installed it correctly."), GC_PROGRAM1, GC_PROGRAM2);
129 static void datasource_gc_draw_circle ( datasource_gc_widgets_t *widgets )
132 if ( widgets->circle_onscreen ) {
133 vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
134 widgets->circle_x - widgets->circle_width/2,
135 widgets->circle_y - widgets->circle_width/2,
136 widgets->circle_width, widgets->circle_width, 0, 360*64 );
138 /* calculate widgets circle_x and circle_y */
139 /* split up lat,lon into lat and lon */
140 if ( 2 == sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
145 ll.lat = lat; ll.lon = lon;
146 vik_coord_load_from_latlon ( &c, vik_viewport_get_coord_mode ( widgets->vvp ), &ll );
147 vik_viewport_coord_to_screen ( widgets->vvp, &c, &x, &y );
148 /* TODO: real calculation */
149 if ( x > -1000 && y > -1000 && x < (vik_viewport_get_width(widgets->vvp) + 1000) &&
150 y < (vik_viewport_get_width(widgets->vvp) + 1000) ) {
152 gdouble pixels_per_meter;
154 widgets->circle_x = x;
155 widgets->circle_y = y;
157 /* determine miles per pixel */
158 vik_viewport_screen_to_coord ( widgets->vvp, 0, vik_viewport_get_height(widgets->vvp)/2, &c1 );
159 vik_viewport_screen_to_coord ( widgets->vvp, vik_viewport_get_width(widgets->vvp), vik_viewport_get_height(widgets->vvp)/2, &c2 );
160 pixels_per_meter = ((gdouble)vik_viewport_get_width(widgets->vvp)) / vik_coord_diff(&c1, &c2);
162 /* this is approximate */
163 widgets->circle_width = gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) )
164 * METERSPERMILE * pixels_per_meter * 2;
166 vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
167 widgets->circle_x - widgets->circle_width/2,
168 widgets->circle_y - widgets->circle_width/2,
169 widgets->circle_width, widgets->circle_width, 0, 360*64 );
171 widgets->circle_onscreen = TRUE;
173 widgets->circle_onscreen = FALSE;
176 /* see if onscreen */
178 vik_viewport_sync ( widgets->vvp );
181 static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
183 datasource_gc_widgets_t *widgets = (datasource_gc_widgets_t *)user_data;
184 GtkWidget *num_label, *center_label, *miles_radius_label;
188 num_label = gtk_label_new (_("Number geocaches:"));
189 widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 20, 1, 1000, 10, 20, 0 )), 10, 0 );
190 center_label = gtk_label_new (_("Centered around:"));
191 widgets->center_entry = gtk_entry_new();
192 miles_radius_label = gtk_label_new ("Miles Radius:");
193 widgets->miles_radius_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 5, 1, 1000, 1, 20, 0 )), 25, 1 );
195 vik_coord_to_latlon ( vik_viewport_get_center(vvp), &ll );
196 s_ll = g_strdup_printf("%f,%f", ll.lat, ll.lon );
197 gtk_entry_set_text ( GTK_ENTRY(widgets->center_entry), s_ll );
202 widgets->circle_gc = vik_viewport_new_gc ( vvp, "#000000", 3 );
203 gdk_gc_set_function ( widgets->circle_gc, GDK_INVERT );
204 widgets->circle_onscreen = TRUE;
205 datasource_gc_draw_circle ( widgets );
207 g_signal_connect_swapped ( G_OBJECT(widgets->center_entry), "changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
208 g_signal_connect_swapped ( G_OBJECT(widgets->miles_radius_spin), "value-changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
210 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), num_label, FALSE, FALSE, 5 );
211 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->num_spin, FALSE, FALSE, 5 );
212 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), center_label, FALSE, FALSE, 5 );
213 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->center_entry, FALSE, FALSE, 5 );
214 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), miles_radius_label, FALSE, FALSE, 5 );
215 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->miles_radius_spin, FALSE, FALSE, 5 );
216 gtk_widget_show_all(dialog);
219 static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type, gpointer not_used )
221 //gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
222 gchar *safe_user = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "username")->s );
223 gchar *safe_pass = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "password")->s );
225 if ( 2 != sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
226 g_warning (_("Broken input - using some defaults"));
227 lat = a_vik_get_default_lat();
228 lon = a_vik_get_default_long();
231 // Unix specific shell commands
232 // 1. Remove geocache webpages (maybe be from different location)
233 // 2, Gets upto n geocaches as webpages for the specified user in radius r Miles
234 // 3. Converts webpages into a single waypoint file, ignoring zero location waypoints '-z'
235 // Probably as they are premium member only geocaches and user is only a basic member
236 // Final output is piped into GPSbabel - hence removal of *html is done at beginning of the command sequence
237 *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 ",
239 gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ),
240 gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) ),
245 *input_file_type = NULL;
246 //g_free ( safe_string );
247 g_free ( safe_user );
248 g_free ( safe_pass );
251 static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets )
253 if ( widgets->circle_onscreen ) {
254 vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
255 widgets->circle_x - widgets->circle_width/2,
256 widgets->circle_y - widgets->circle_width/2,
257 widgets->circle_width, widgets->circle_width, 0, 360*64 );
258 vik_viewport_sync( widgets->vvp );
262 #endif /* VIK_CONFIG_GEOCACHES */