static gboolean have_geojson_export = FALSE;
+static gboolean have_astro_program = FALSE;
+static gchar *astro_program = NULL;
+#define VIK_SETTINGS_EXTERNAL_ASTRO_PROGRAM "external_astro_program"
+
// NB Only performed once per program run
static void vik_trwlayer_class_init ( VikTrwLayerClass *klass )
{
if ( g_find_program_in_path ( a_geojson_program_export() ) ) {
have_geojson_export = TRUE;
}
+
+ // Astronomy Domain
+ if ( ! a_settings_get_string ( VIK_SETTINGS_EXTERNAL_ASTRO_PROGRAM, &astro_program ) ) {
+#ifdef WINDOWS
+ //astro_program = g_strdup ( "C:\\Program Files\\Stellarium\\stellarium.exe" );
+ astro_program = g_strdup ( "C:/Progra~1/Stellarium/stellarium.exe" );
+#else
+ astro_program = g_strdup ( "stellarium" );
+#endif
+ }
+ else {
+ // User specified so assume it works
+ have_astro_program = TRUE;
+ }
+ if ( g_find_program_in_path( astro_program ) ) {
+ have_astro_program = TRUE;
+ }
}
GType vik_trw_layer_get_type ()
}
}
+/**
+ * Open a program at the specified date
+ * Mainly for Stellarium - http://stellarium.org/
+ * But could work with any program that accepts the same command line options...
+ * FUTURE: Allow configuring of command line options + format or parameters
+ */
+static void trw_layer_astro_open ( VikTrwLayer *vtl, const gchar *date_str, const gchar *time_str, const gchar *lat_str, const gchar *lon_str, const gchar *alt_str )
+{
+ GError *err = NULL;
+ gchar *tmp;
+ g_file_open_tmp ( "vik-astro-XXXXXX.ini", &tmp, NULL );
+ gchar *cmd = g_strdup_printf ( "%s %s %s %s %s %s %s %s %s %s %s %s %s %s",
+ astro_program, "-c", tmp, "--full-screen no", "--sky-date", date_str, "--sky-time", time_str, "--latitude", lat_str, "--longitude", lon_str, "--altitude", alt_str );
+ g_warning ( "%s", cmd );
+ if ( ! g_spawn_command_line_async ( cmd, &err ) ) {
+ a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("Could not launch %s"), astro_program );
+ g_warning ( "%s", err->message );
+ g_error_free ( err );
+ }
+ util_add_to_deletion_list ( tmp );
+ g_free ( tmp );
+ g_free ( cmd );
+}
+
+// Format of stellarium lat & lon seems designed to be particularly awkward
+// who uses ' & " in the parameters for the command line?!
+// -1d4'27.48"
+// +53d58'16.65"
+static gchar *convert_to_dms ( gdouble dec )
+{
+ gdouble tmp;
+ gchar sign_c = ' ';
+ gint val_d, val_m;
+ gdouble val_s;
+ gchar *result = NULL;
+
+ if ( dec > 0 )
+ sign_c = '+';
+ else if ( dec < 0 )
+ sign_c = '-';
+ else // Nul value
+ sign_c = ' ';
+
+ // Degrees
+ tmp = fabs(dec);
+ val_d = (gint)tmp;
+
+ // Minutes
+ tmp = (tmp - val_d) * 60;
+ val_m = (gint)tmp;
+
+ // Seconds
+ val_s = (tmp - val_m) * 60;
+
+ // Format
+ result = g_strdup_printf ( "%c%dd%d\\\'%.4f\\\"", sign_c, val_d, val_m, val_s );
+ return result;
+}
+
+/**
+ * Open an astronomy program at the date & position of the track center, trackpoint or waypoint
+ */
+static void trw_layer_astro ( menu_array_sublayer values )
+{
+ VikTrwLayer *vtl = VIK_TRW_LAYER(values[MA_VTL]);
+
+ if ( GPOINTER_TO_INT(values[MA_SUBTYPE]) == VIK_TRW_LAYER_SUBLAYER_TRACK ) {
+ VikTrack *trk = (VikTrack *) g_hash_table_lookup ( vtl->tracks, values[MA_SUBLAYER_ID] );
+ if ( ! trk )
+ return;
+
+ VikTrackpoint *tp = NULL;
+ if ( vtl->current_tpl )
+ // Current Trackpoint
+ tp = VIK_TRACKPOINT(vtl->current_tpl->data);
+ else if ( trk->trackpoints )
+ // Otherwise first trackpoint
+ tp = VIK_TRACKPOINT(trk->trackpoints->data);
+ else
+ // Give up
+ return;
+
+ if ( tp->has_timestamp ) {
+ gchar date_buf[20];
+ strftime (date_buf, sizeof(date_buf), "%Y%m%d", gmtime(&(tp->timestamp)));
+ gchar time_buf[20];
+ strftime (time_buf, sizeof(time_buf), "%H:%M:%S", gmtime(&(tp->timestamp)));
+ struct LatLon ll;
+ vik_coord_to_latlon ( &tp->coord, &ll );
+ gchar *lat_str = convert_to_dms ( ll.lat );
+ gchar *lon_str = convert_to_dms ( ll.lon );
+ gchar alt_buf[20];
+ snprintf (alt_buf, sizeof(alt_buf), "%d", (gint)round(tp->altitude) );
+ trw_layer_astro_open ( vtl, date_buf, time_buf, lat_str, lon_str, alt_buf);
+ g_free ( lat_str );
+ g_free ( lon_str );
+ }
+ else
+ a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("This track has no date information.") );
+ }
+ else if ( GPOINTER_TO_INT(values[MA_SUBTYPE]) == VIK_TRW_LAYER_SUBLAYER_WAYPOINT ) {
+ VikWaypoint *wpt = (VikWaypoint *) g_hash_table_lookup ( vtl->waypoints, values[MA_SUBLAYER_ID] );
+ if ( ! wpt )
+ return;
+
+ if ( wpt->has_timestamp ) {
+ gchar date_buf[20];
+ strftime (date_buf, sizeof(date_buf), "%Y%m%d", gmtime(&(wpt->timestamp)));
+ gchar time_buf[20];
+ strftime (time_buf, sizeof(time_buf), "%H:%M:%S", gmtime(&(wpt->timestamp)));
+ struct LatLon ll;
+ vik_coord_to_latlon ( &wpt->coord, &ll );
+ gchar *lat_str = convert_to_dms ( ll.lat );
+ gchar *lon_str = convert_to_dms ( ll.lon );
+ gchar alt_buf[20];
+ snprintf (alt_buf, sizeof(alt_buf), "%d", (gint)round(wpt->altitude) );
+ trw_layer_astro_open ( vtl, date_buf, time_buf, lat_str, lon_str, alt_buf );
+ g_free ( lat_str );
+ g_free ( lon_str );
+ }
+ else
+ a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vtl), _("This waypoint has no date information.") );
+ }
+}
+
/**
* Similar to trw_layer_enum_item, but this uses a sorted method
*/
}
// Only made available if a suitable program is installed
- if ( have_diary_program ) {
- if ( subtype == VIK_TRW_LAYER_SUBLAYER_TRACK || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT ) {
- item = gtk_image_menu_item_new_with_mnemonic ( _("Diar_y") );
+ if ( (have_astro_program || have_diary_program) &&
+ (subtype == VIK_TRW_LAYER_SUBLAYER_TRACK || subtype == VIK_TRW_LAYER_SUBLAYER_WAYPOINT) ) {
+ GtkWidget *external_submenu;
+ external_submenu = gtk_menu_new ();
+ item = gtk_image_menu_item_new_with_mnemonic ( _("Externa_l") );
+ gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_EXECUTE, GTK_ICON_SIZE_MENU) );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+ gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), external_submenu );
+
+ if ( have_diary_program ) {
+ item = gtk_image_menu_item_new_with_mnemonic ( _("_Diary") );
gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_SPELL_CHECK, GTK_ICON_SIZE_MENU) );
g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_diary), pass_along );
- gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
+ gtk_menu_shell_append ( GTK_MENU_SHELL(external_submenu), item );
+ gtk_widget_show ( item );
+ }
+
+ if ( have_astro_program ) {
+ item = gtk_image_menu_item_new_with_mnemonic ( _("_Astronomy") );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(trw_layer_astro), pass_along );
+ gtk_menu_shell_append ( GTK_MENU_SHELL(external_submenu), item );
gtk_widget_show ( item );
}
}
projects / andy / viking.git / blobdiff