/* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2003-2007, Evan Battaglia * Copyright (C) 2015, Rob Norris * * 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 #include #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 */