X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/3333c0696a1a6cf23182ded690689f8557dab671..00de8de3e9c61db157855abdc793c403ab24ab0e:/src/datasource_gc.c?ds=sidebyside diff --git a/src/datasource_gc.c b/src/datasource_gc.c index 106e0f4d..d8e20937 100644 --- a/src/datasource_gc.c +++ b/src/datasource_gc.c @@ -1,7 +1,7 @@ /* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * - * Copyright (C) 2003-2005, Evan Battaglia + * Copyright (C) 2003-2007, Evan Battaglia * * 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 @@ -18,70 +18,254 @@ * 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; + 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; -gpointer datasource_gc_add_widgets ( GtkWidget *dialog, VikViewport *vvp ); -static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type ); -static void datasource_gc_first_cleanup ( gpointer data ); +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_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type, gpointer not_used ); +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 = { - "Acquire from gc", - VIK_DATASOURCE_SHELL_CMD, - VIK_DATASOURCE_ADDTOLAYER, - (VikDataSourceAddWidgetsFunc) datasource_gc_add_widgets, + 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, (VikDataSourceGetCmdStringFunc) datasource_gc_get_cmd_string, - (VikDataSourceFirstCleanupFunc) datasource_gc_first_cleanup, + (VikDataSourceProcessFunc) a_babel_convert_from_shellcommand, (VikDataSourceProgressFunc) NULL, (VikDataSourceAddProgressWidgetsFunc) NULL, - (VikDataSourceCleanupFunc) 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 }, +}; -gpointer datasource_gc_add_widgets ( GtkWidget *dialog, VikViewport *vvp ) +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)); - GtkWidget *num_label, *center_label; + 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( 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 ); - 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 ); + + 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); - return widgets; } -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, gpointer not_used ) { - /* TODO: special characters handling!!! */ - /* TODO: we don't actually need GPSBabel... :-) */ - *cmd = g_strdup_printf( "gcget %s %d", gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ) ); - *input_type = g_strdup("geo"); + //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 + *cmd = g_strdup_printf( "rm -f ~/.geo/caches/*html ; %s -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 ); + *input_file_type = NULL; + //g_free ( safe_string ); + g_free ( safe_user ); + g_free ( safe_pass ); + g_free ( slat ); + g_free ( slon ); } -static void datasource_gc_first_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 */