/* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2003-2005, 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 * 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 #include #ifdef HAVE_MATH_H #include #endif #include "viking.h" #include "icons/icons.h" #include "babel.h" #ifdef HAVE_UNISTD_H #include #endif #ifdef HAVE_STRING_H #include #endif #include #include #include #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING #include #endif #if ! GLIB_CHECK_VERSION(2,14,0) inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, gpointer data) { return g_timeout_add(interval*1000, function, data); } #endif #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val) static VikGpsLayer *vik_gps_layer_create (VikViewport *vp); static void vik_gps_layer_realize ( VikGpsLayer *val, VikTreeview *vt, GtkTreeIter *layer_iter ); static void vik_gps_layer_free ( VikGpsLayer *val ); static void vik_gps_layer_draw ( VikGpsLayer *val, gpointer data ); static VikGpsLayer *vik_gps_layer_new ( VikViewport *vp ); static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len ); static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ); static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ); static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation ); static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode ); static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp ); static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path ); static void gps_upload_cb( gpointer layer_and_vlp[2] ); static void gps_download_cb( gpointer layer_and_vlp[2] ); static void gps_empty_upload_cb( gpointer layer_and_vlp[2] ); static void gps_empty_download_cb( gpointer layer_and_vlp[2] ); static void gps_empty_all_cb( gpointer layer_and_vlp[2] ); #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2] ); static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp); #endif typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto; static gchar * params_protocols[] = {"Garmin", "Magellan", NULL}; static gchar * protocols_args[] = {"garmin", "magellan"}; /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */ #ifdef WINDOWS static gchar * params_ports[] = {"com1", "usb:", NULL}; #else static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL}; #endif /* NUM_PORTS not actually used */ /* #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1) */ /* Compatibility with previous versions */ #ifdef WINDOWS static gchar * old_params_ports[] = {"com1", "usb:", NULL}; #else static gchar * old_params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", "usb:", NULL}; #endif #define OLD_NUM_PORTS (sizeof(old_params_ports)/sizeof(old_params_ports[0]) - 1) typedef enum {GPS_DOWN=0, GPS_UP} gps_dir; typedef struct { GMutex *mutex; gps_dir direction; gchar *port; gboolean ok; gint total_count; gint count; VikTrwLayer *vtl; gchar *cmd_args; gchar * window_title; GtkWidget *dialog; GtkWidget *status_label; GtkWidget *gps_label; GtkWidget *ver_label; GtkWidget *id_label; GtkWidget *wp_label; GtkWidget *progress_label; GtkWidget *trk_label; } GpsSession; static void gps_session_delete(GpsSession *sess); static gchar *params_groups[] = { "Data Mode", #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING "Realtime Tracking Mode", #endif }; enum {GROUP_DATA_MODE, GROUP_REALTIME_MODE}; #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING static gchar *params_vehicle_position[] = { "Keep vehicle at center", "Keep vehicle on screen", "Disable", NULL }; enum { VEHICLE_POSITION_CENTERED = 0, VEHICLE_POSITION_ON_SCREEN, VEHICLE_POSITION_NONE, }; #endif static VikLayerParam gps_layer_params[] = { { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL}, { "gps_port", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL}, #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING { "record_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Recording tracks"), VIK_LAYER_WIDGET_CHECKBUTTON}, { "center_start_tracking", VIK_LAYER_PARAM_BOOLEAN, GROUP_REALTIME_MODE, N_("Jump to current position on start"), VIK_LAYER_WIDGET_CHECKBUTTON}, { "moving_map_method", VIK_LAYER_PARAM_UINT, GROUP_REALTIME_MODE, N_("Moving Map Method:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_vehicle_position, NULL}, { "gpsd_host", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Host:"), VIK_LAYER_WIDGET_ENTRY}, { "gpsd_port", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Port:"), VIK_LAYER_WIDGET_ENTRY}, { "gpsd_retry_interval", VIK_LAYER_PARAM_STRING, GROUP_REALTIME_MODE, N_("Gpsd Retry Interval (seconds):"), VIK_LAYER_WIDGET_ENTRY}, #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ }; enum { PARAM_PROTOCOL=0, PARAM_PORT, #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING PARAM_REALTIME_REC, PARAM_REALTIME_CENTER_START, PARAM_VEHICLE_POSITION, PARAM_GPSD_HOST, PARAM_GPSD_PORT, PARAM_GPSD_RETRY_INTERVAL, #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ NUM_PARAMS}; VikLayerInterface vik_gps_layer_interface = { "GPS", &vikgpslayer_pixbuf, NULL, 0, gps_layer_params, NUM_PARAMS, params_groups, sizeof(params_groups)/sizeof(params_groups[0]), VIK_MENU_ITEM_ALL, (VikLayerFuncCreate) vik_gps_layer_create, (VikLayerFuncRealize) vik_gps_layer_realize, (VikLayerFuncPostRead) NULL, (VikLayerFuncFree) vik_gps_layer_free, (VikLayerFuncProperties) NULL, (VikLayerFuncDraw) vik_gps_layer_draw, (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode, (VikLayerFuncSetMenuItemsSelection) NULL, (VikLayerFuncGetMenuItemsSelection) NULL, (VikLayerFuncAddMenuItems) gps_layer_add_menu_items, (VikLayerFuncSublayerAddMenuItems) NULL, (VikLayerFuncSublayerRenameRequest) NULL, (VikLayerFuncSublayerToggleVisible) NULL, (VikLayerFuncMarshall) gps_layer_marshall, (VikLayerFuncUnmarshall) gps_layer_unmarshall, (VikLayerFuncSetParam) gps_layer_set_param, (VikLayerFuncGetParam) gps_layer_get_param, (VikLayerFuncReadFileData) NULL, (VikLayerFuncWriteFileData) NULL, (VikLayerFuncDeleteItem) NULL, (VikLayerFuncCopyItem) NULL, (VikLayerFuncPasteItem) NULL, (VikLayerFuncFreeCopiedItem) NULL, (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request, }; enum {TRW_DOWNLOAD=0, TRW_UPLOAD, #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING TRW_REALTIME, #endif NUM_TRW}; static gchar * trw_names[] = { N_("GPS Download"), N_("GPS Upload"), #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING N_("GPS Realtime Tracking"), #endif }; #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING typedef struct { struct gps_data_t gpsd; VikGpsLayer *vgl; } VglGpsd; typedef struct { struct gps_fix_t fix; gint satellites_used; gboolean dirty; /* needs to be saved */ } GpsFix; #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ struct _VikGpsLayer { VikLayer vl; VikTrwLayer * trw_children[NUM_TRW]; GList * children; /* used only for writing file */ int cur_read_child; /* used only for reading file */ #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING VglGpsd *vgpsd; gboolean realtime_tracking; /* set/reset only by the callback */ gboolean first_realtime_trackpoint; GpsFix realtime_fix; GpsFix last_fix; VikTrack *realtime_track; gchar *realtime_track_name; GIOChannel *realtime_io_channel; guint realtime_io_watch_id; guint realtime_retry_timer; GdkGC *realtime_track_gc; GdkGC *realtime_track_bg_gc; GdkGC *realtime_track_pt_gc; GdkGC *realtime_track_pt1_gc; GdkGC *realtime_track_pt2_gc; /* params */ gchar *gpsd_host; gchar *gpsd_port; gint gpsd_retry_interval; gboolean realtime_record; gboolean realtime_jump_to_start; guint vehicle_position; #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ guint protocol_id; gchar *serial_port; }; GType vik_gps_layer_get_type () { static GType val_type = 0; if (!val_type) { static const GTypeInfo val_info = { sizeof (VikGpsLayerClass), NULL, /* base_init */ NULL, /* base_finalize */ NULL, /* class init */ NULL, /* class_finalize */ NULL, /* class_data */ sizeof (VikGpsLayer), 0, NULL /* instance init */ }; val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 ); } return val_type; } static VikGpsLayer *vik_gps_layer_create (VikViewport *vp) { int i; VikGpsLayer *rv = vik_gps_layer_new (vp); vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name ); for (i = 0; i < NUM_TRW; i++) { rv->trw_children[i] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE )); vik_layer_set_menu_items_selection(VIK_LAYER(rv->trw_children[i]), VIK_MENU_ITEM_ALL & ~(VIK_MENU_ITEM_CUT|VIK_MENU_ITEM_DELETE)); } return rv; } /* "Copy" */ static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen ) { VikLayer *child_layer; guint8 *ld; gint ll; GByteArray* b = g_byte_array_new (); gint len; gint i; #define alm_append(obj, sz) \ len = (sz); \ g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \ g_byte_array_append ( b, (guint8 *)(obj), len ); vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll); alm_append(ld, ll); g_free(ld); for (i = 0; i < NUM_TRW; i++) { child_layer = VIK_LAYER(vgl->trw_children[i]); vik_layer_marshall(child_layer, &ld, &ll); if (ld) { alm_append(ld, ll); g_free(ld); } } *data = b->data; *datalen = b->len; g_byte_array_free(b, FALSE); #undef alm_append } /* "Paste" */ static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp ) { #define alm_size (*(gint *)data) #define alm_next \ len -= sizeof(gint) + alm_size; \ data += sizeof(gint) + alm_size; VikGpsLayer *rv = vik_gps_layer_new(vvp); VikLayer *child_layer; gint i; vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp ); alm_next; i = 0; while (len>0 && i < NUM_TRW) { child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp ); if (child_layer) { rv->trw_children[i++] = (VikTrwLayer *)child_layer; g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update_secondary), rv ); } alm_next; } // g_print("gps_layer_unmarshall ended with len=%d\n", len); g_assert(len == 0); return rv; #undef alm_size #undef alm_next } static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation ) { switch ( id ) { case PARAM_PROTOCOL: if (data.u < NUM_PROTOCOLS) vgl->protocol_id = data.u; else g_warning(_("Unknown GPS Protocol")); break; case PARAM_PORT: if (data.s) { g_free(vgl->serial_port); /* Compat: previous version stored serial_port as an array index */ int index = data.s[0] - '0'; if (data.s[0] != '\0' && g_ascii_isdigit (data.s[0]) && data.s[1] == '\0' && index < OLD_NUM_PORTS) /* It is a single digit: activate compatibility */ vgl->serial_port = g_strdup(old_params_ports[index]); else vgl->serial_port = g_strdup(data.s); g_debug("%s: %s", __FUNCTION__, vgl->serial_port); } else g_warning(_("Unknown serial port device")); break; #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING case PARAM_GPSD_HOST: if (vgl->gpsd_host) g_free(vgl->gpsd_host); vgl->gpsd_host = g_strdup(data.s); break; case PARAM_GPSD_PORT: if (vgl->gpsd_port) g_free(vgl->gpsd_port); vgl->gpsd_port = g_strdup(data.s); /* TODO: check for number */ break; case PARAM_GPSD_RETRY_INTERVAL: vgl->gpsd_retry_interval = strtol(data.s, NULL, 10); break; case PARAM_REALTIME_REC: vgl->realtime_record = data.b; break; case PARAM_REALTIME_CENTER_START: vgl->realtime_jump_to_start = data.b; break; case PARAM_VEHICLE_POSITION: vgl->vehicle_position = data.u; break; #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ default: g_warning("gps_layer_set_param(): unknown parameter"); } return TRUE; } static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id, gboolean is_file_operation ) { VikLayerParamData rv; switch ( id ) { case PARAM_PROTOCOL: rv.u = vgl->protocol_id; break; case PARAM_PORT: rv.s = vgl->serial_port; g_debug("%s: %s", __FUNCTION__, rv.s); break; #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING case PARAM_GPSD_HOST: rv.s = vgl->gpsd_host ? vgl->gpsd_host : ""; break; case PARAM_GPSD_PORT: rv.s = vgl->gpsd_port ? vgl->gpsd_port : g_strdup(DEFAULT_GPSD_PORT); break; case PARAM_GPSD_RETRY_INTERVAL: rv.s = g_strdup_printf("%d", vgl->gpsd_retry_interval); break; case PARAM_REALTIME_REC: rv.b = vgl->realtime_record; break; case PARAM_REALTIME_CENTER_START: rv.b = vgl->realtime_jump_to_start; break; case PARAM_VEHICLE_POSITION: rv.u = vgl->vehicle_position; break; #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ default: g_warning(_("%s: unknown parameter"), __FUNCTION__); } return rv; } VikGpsLayer *vik_gps_layer_new (VikViewport *vp) { gint i; VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) ); vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS ); for (i = 0; i < NUM_TRW; i++) { vgl->trw_children[i] = NULL; } vgl->children = NULL; vgl->cur_read_child = 0; #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING vgl->realtime_tracking = FALSE; vgl->first_realtime_trackpoint = FALSE; vgl->vgpsd = NULL; vgl->realtime_io_channel = NULL; vgl->realtime_io_watch_id = 0; vgl->realtime_retry_timer = 0; vgl->realtime_track_gc = vik_viewport_new_gc ( vp, "#203070", 2 ); vgl->realtime_track_bg_gc = vik_viewport_new_gc ( vp, "grey", 2 ); vgl->realtime_track_pt1_gc = vik_viewport_new_gc ( vp, "red", 2 ); vgl->realtime_track_pt2_gc = vik_viewport_new_gc ( vp, "green", 2 ); vgl->realtime_track_pt_gc = vgl->realtime_track_pt1_gc; vgl->realtime_track = NULL; /* Setting params here */ vgl->gpsd_host = g_strdup("localhost"); vgl->gpsd_port = g_strdup(DEFAULT_GPSD_PORT); vgl->realtime_record = TRUE; vgl->realtime_jump_to_start = TRUE; vgl->vehicle_position = VEHICLE_POSITION_ON_SCREEN; vgl->gpsd_retry_interval = 10; #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ vgl->protocol_id = 0; vgl->serial_port = NULL; #ifndef WINDOWS /* Attempt to auto set default USB serial port entry */ /* Ordered to make lowest device favourite if available */ if (g_access ("/dev/ttyUSB1", R_OK) == 0) { if (vgl->serial_port != NULL) g_free (vgl->serial_port); vgl->serial_port = g_strdup ("/dev/ttyUSB1"); } if (g_access ("/dev/ttyUSB0", R_OK) == 0) { if (vgl->serial_port != NULL) g_free (vgl->serial_port); vgl->serial_port = g_strdup ("/dev/ttyUSB0"); } #endif return vgl; } static void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data ) { gint i; VikLayer *vl; VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( VIK_VIEWPORT(data) )); for (i = 0; i < NUM_TRW; i++) { vl = VIK_LAYER(vgl->trw_children[i]); if (vl == trigger) { if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) { vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE ); vik_viewport_snapshot_load( VIK_VIEWPORT(data) ); } else { vik_viewport_snapshot_save( VIK_VIEWPORT(data) ); } } if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data))) vik_layer_draw ( vl, data ); } #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING if (vgl->realtime_tracking) { if (VIK_LAYER(vgl) == trigger) { if ( vik_viewport_get_half_drawn ( VIK_VIEWPORT(data) ) ) { vik_viewport_set_half_drawn ( VIK_VIEWPORT(data), FALSE ); vik_viewport_snapshot_load( VIK_VIEWPORT(data) ); } else { vik_viewport_snapshot_save( VIK_VIEWPORT(data) ); } } if (!vik_viewport_get_half_drawn( VIK_VIEWPORT(data))) realtime_tracking_draw(vgl, VIK_VIEWPORT(data)); } #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ } static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode ) { gint i; for (i = 0; i < NUM_TRW; i++) { vik_layer_change_coord_mode(VIK_LAYER(vgl->trw_children[i]), mode); } } static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp ) { static gpointer pass_along[2]; GtkWidget *item; pass_along[0] = vgl; pass_along[1] = vlp; item = gtk_menu_item_new(); gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); gtk_widget_show ( item ); item = gtk_menu_item_new_with_mnemonic ( _("_Upload to GPS") ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); item = gtk_menu_item_new_with_mnemonic ( _("Download from _GPS") ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING item = gtk_menu_item_new_with_mnemonic ( vgl->realtime_tracking ? "_Stop Realtime Tracking" : "_Start Realtime Tracking" ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_start_stop_tracking_cb), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); item = gtk_menu_item_new(); gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item ); gtk_widget_show ( item ); #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ item = gtk_menu_item_new_with_mnemonic ( _("E_mpty Upload") ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_upload_cb), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); item = gtk_menu_item_new_with_mnemonic ( _("_Empty Download") ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_download_cb), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); item = gtk_menu_item_new_with_mnemonic ( _("Empty _All") ); g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_empty_all_cb), pass_along ); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show ( item ); } static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl ) { guint number_handlers = DISCONNECT_UPDATE_SIGNAL(vl,vgl); if ( number_handlers != 1 ) { /* NB It's not fatal if this gives 2 for example! Hence removal of the g_assert This happens when copied GPS layer is deleted (not sure why the number_handlers would be 2) I don't think there's any side effects and certainly better than the program just aborting */ g_warning(_("Unexpected number of disconnected handlers: %d"), number_handlers); } } static void vik_gps_layer_free ( VikGpsLayer *vgl ) { gint i; for (i = 0; i < NUM_TRW; i++) { if (vgl->vl.realized) disconnect_layer_signal(VIK_LAYER(vgl->trw_children[i]), vgl); g_object_unref(vgl->trw_children[i]); } #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING if (vgl->realtime_track_gc != NULL) g_object_unref(vgl->realtime_track_gc); if (vgl->realtime_track_bg_gc != NULL) g_object_unref(vgl->realtime_track_bg_gc); if (vgl->realtime_track_pt1_gc != NULL) g_object_unref(vgl->realtime_track_pt1_gc); if (vgl->realtime_track_pt2_gc != NULL) g_object_unref(vgl->realtime_track_pt2_gc); #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */ } gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter ) { gint i; VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) ); gboolean was_visible = l->visible; vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter ); for (i = 0; i < NUM_TRW; i++) { if (VIK_LAYER(vgl->trw_children[i]) == l) vgl->trw_children[i] = NULL; } g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1); g_object_unref ( l ); return was_visible; } static void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter ) { GtkTreeIter iter; int ix; for (ix = 0; ix < NUM_TRW; ix++) { VikLayer * trw = VIK_LAYER(vgl->trw_children[ix]); vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter, _(trw_names[ix]), vgl, trw, trw->type, trw->type ); if ( ! trw->visible ) vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE ); vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter ); g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update_secondary), vgl ); } } const GList *vik_gps_layer_get_children ( VikGpsLayer *vgl ) { int i; if (vgl->children == NULL) { for (i = NUM_TRW - 1; i >= 0; i--) vgl->children = g_list_prepend(vgl->children, vgl->trw_children[i]); } return vgl->children; } VikTrwLayer * vik_gps_layer_get_a_child(VikGpsLayer *vgl) { g_assert ((vgl->cur_read_child >= 0) && (vgl->cur_read_child < NUM_TRW)); VikTrwLayer * vtl = vgl->trw_children[vgl->cur_read_child]; if (++(vgl->cur_read_child) >= NUM_TRW) vgl->cur_read_child = 0; return(vtl); } gboolean vik_gps_layer_is_empty ( VikGpsLayer *vgl ) { if ( vgl->trw_children[0] ) return FALSE; return TRUE; } static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path ) { VikTreeview *vt = VIK_LAYER(val_src)->vt; VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter); GtkTreeIter dest_iter; gchar *dp; gboolean target_exists; dp = gtk_tree_path_to_string(dest_path); target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp); /* vik_gps_layer_delete unrefs, but we don't want that here. * we're still using the layer. */ g_object_ref ( vl ); vik_gps_layer_delete(val_src, src_item_iter); g_free(dp); } static void gps_session_delete(GpsSession *sess) { /* TODO */ g_mutex_free(sess->mutex); g_free(sess->cmd_args); g_free(sess); } static void set_total_count(gint cnt, GpsSession *sess) { gchar s[128]; gdk_threads_enter(); g_mutex_lock(sess->mutex); if (sess->ok) { const gchar *tmp_str; if (sess->direction == GPS_DOWN) { if (sess->progress_label == sess->wp_label) tmp_str = ngettext("Downloading %d waypoint...", "Downloading %d waypoints...", cnt); else tmp_str = ngettext("Downloading %d trackpoint...", "Downloading %d trackpoints...", cnt); } else { if (sess->progress_label == sess->wp_label) tmp_str = ngettext("Uploading %d waypoint...", "Uploading %d waypoints...", cnt); else tmp_str = ngettext("Uploading %d trackpoint...", "Uploading %d trackpoints...", cnt); } g_snprintf(s, 128, tmp_str, cnt); gtk_label_set_text ( GTK_LABEL(sess->progress_label), s ); gtk_widget_show ( sess->progress_label ); sess->total_count = cnt; } g_mutex_unlock(sess->mutex); gdk_threads_leave(); } static void set_current_count(gint cnt, GpsSession *sess) { gchar s[128]; const gchar *tmp_str; gdk_threads_enter(); g_mutex_lock(sess->mutex); if (sess->ok) { if (cnt < sess->total_count) { if (sess->direction == GPS_DOWN) { if (sess->progress_label == sess->wp_label) tmp_str = ngettext("Downloaded %d out of %d waypoint...", "Downloaded %d out of %d waypoints...", sess->total_count); else tmp_str = ngettext("Downloaded %d out of %d trackpoint...", "Downloaded %d out of %d trackpoints...", sess->total_count); } else { if (sess->progress_label == sess->wp_label) tmp_str = ngettext("Uploaded %d out of %d waypoint...", "Uploaded %d out of %d waypoints...", sess->total_count); else tmp_str = ngettext("Uploaded %d out of %d trackpoint...", "Uploaded %d out of %d trackpoints...", sess->total_count); } g_snprintf(s, 128, tmp_str, cnt, sess->total_count); } else { if (sess->direction == GPS_DOWN) { if (sess->progress_label == sess->wp_label) tmp_str = ngettext("Downloaded %d waypoint", "Downloaded %d waypoints", cnt); else tmp_str = ngettext("Downloaded %d trackpoint", "Downloaded %d trackpoints", cnt); } else { if (sess->progress_label == sess->wp_label) tmp_str = ngettext("Uploaded %d waypoint", "Uploaded %d waypoints", cnt); else tmp_str = ngettext("Uploaded %d trackpoint", "Uploaded %d trackpoints", cnt); } g_snprintf(s, 128, tmp_str, cnt); } gtk_label_set_text ( GTK_LABEL(sess->progress_label), s ); } g_mutex_unlock(sess->mutex); gdk_threads_leave(); } static void set_gps_info(const gchar *info, GpsSession *sess) { gchar s[256]; gdk_threads_enter(); g_mutex_lock(sess->mutex); if (sess->ok) { g_snprintf(s, 256, _("GPS Device: %s"), info); gtk_label_set_text ( GTK_LABEL(sess->gps_label), s ); } g_mutex_unlock(sess->mutex); gdk_threads_leave(); } static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess ) { gchar *line; gdk_threads_enter (); g_mutex_lock(sess->mutex); if (!sess->ok) { g_mutex_unlock(sess->mutex); gps_session_delete(sess); gdk_threads_leave(); g_thread_exit ( NULL ); } g_mutex_unlock(sess->mutex); gdk_threads_leave (); switch(c) { case BABEL_DIAG_OUTPUT: line = (gchar *)data; /* tells us how many items there will be */ if (strstr(line, "Xfer Wpt")) { sess->progress_label = sess->wp_label; } if (strstr(line, "Xfer Trk")) { sess->progress_label = sess->trk_label; } if (strstr(line, "PRDDAT")) { gchar **tokens = g_strsplit(line, " ", 0); gchar info[128]; int ilen = 0; int i; int n_tokens = 0; while (tokens[n_tokens]) n_tokens++; if (n_tokens > 8) { for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) { guint ch; sscanf(tokens[i], "%x", &ch); info[ilen++] = ch; } info[ilen++] = 0; set_gps_info(info, sess); } g_strfreev(tokens); } /* eg: "Unit:\teTrex Legend HCx Software Version 2.90\n" */ if (strstr(line, "Unit:")) { gchar **tokens = g_strsplit(line, "\t", 0); int n_tokens = 0; while (tokens[n_tokens]) n_tokens++; if (n_tokens > 1) { set_gps_info(tokens[1], sess); } g_strfreev(tokens); } if (strstr(line, "RECORD")) { int lsb, msb, cnt; if (strlen(line) > 20) { sscanf(line+17, "%x", &lsb); sscanf(line+20, "%x", &msb); cnt = lsb + msb * 256; set_total_count(cnt, sess); sess->count = 0; } } if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) { sess->count++; set_current_count(sess->count, sess); } break; case BABEL_DONE: break; default: break; } } static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess ) { gchar *line; static int cnt = 0; gdk_threads_enter (); g_mutex_lock(sess->mutex); if (!sess->ok) { g_mutex_unlock(sess->mutex); gps_session_delete(sess); gdk_threads_leave(); g_thread_exit ( NULL ); } g_mutex_unlock(sess->mutex); gdk_threads_leave (); switch(c) { case BABEL_DIAG_OUTPUT: line = (gchar *)data; if (strstr(line, "PRDDAT")) { gchar **tokens = g_strsplit(line, " ", 0); gchar info[128]; int ilen = 0; int i; int n_tokens = 0; while (tokens[n_tokens]) n_tokens++; if (n_tokens > 8) { for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) { guint ch; sscanf(tokens[i], "%x", &ch); info[ilen++] = ch; } info[ilen++] = 0; set_gps_info(info, sess); } g_strfreev(tokens); } if (strstr(line, "RECORD")) { int lsb, msb; if (strlen(line) > 20) { sscanf(line+17, "%x", &lsb); sscanf(line+20, "%x", &msb); cnt = lsb + msb * 256; /* set_total_count(cnt, sess); */ sess->count = 0; } } if ( strstr(line, "WPTDAT")) { if (sess->count == 0) { sess->progress_label = sess->wp_label; set_total_count(cnt, sess); } sess->count++; set_current_count(sess->count, sess); } if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) { if (sess->count == 0) { sess->progress_label = sess->trk_label; set_total_count(cnt, sess); } sess->count++; set_current_count(sess->count, sess); } break; case BABEL_DONE: break; default: break; } } static void gps_comm_thread(GpsSession *sess) { gboolean result; if (sess->direction == GPS_DOWN) result = a_babel_convert_from (sess->vtl, sess->cmd_args, (BabelStatusFunc) gps_download_progress_func, sess->port, sess); else result = a_babel_convert_to (sess->vtl, sess->cmd_args, (BabelStatusFunc) gps_upload_progress_func, sess->port, sess); gdk_threads_enter(); if (!result) { gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Error: couldn't find gpsbabel.") ); } else { g_mutex_lock(sess->mutex); if (sess->ok) { gtk_label_set_text ( GTK_LABEL(sess->status_label), _("Done.") ); gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE ); gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE ); } else { /* canceled */ } g_mutex_unlock(sess->mutex); } g_mutex_lock(sess->mutex); if (sess->ok) { sess->ok = FALSE; g_mutex_unlock(sess->mutex); } else { g_mutex_unlock(sess->mutex); gps_session_delete(sess); } gdk_threads_leave(); g_thread_exit(NULL); } static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) { GpsSession *sess = g_malloc(sizeof(GpsSession)); sess->mutex = g_mutex_new(); sess->direction = dir; sess->vtl = vtl; sess->port = g_strdup(port); sess->ok = TRUE; sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s", (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]); sess->window_title = (dir == GPS_DOWN) ? _("GPS Download") : _("GPS Upload"); sess->dialog = gtk_dialog_new_with_buttons ( "", VIK_GTK_WINDOW_FROM_LAYER(vtl), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, FALSE ); gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title ); sess->status_label = gtk_label_new (_("Status: detecting gpsbabel")); gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->status_label, FALSE, FALSE, 5 ); gtk_widget_show_all(sess->status_label); sess->gps_label = gtk_label_new (_("GPS device: N/A")); sess->ver_label = gtk_label_new (""); sess->id_label = gtk_label_new (""); sess->wp_label = gtk_label_new (""); sess->trk_label = gtk_label_new (""); gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 ); gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 ); gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 ); gtk_widget_show_all(sess->dialog); sess->progress_label = sess->wp_label; sess->total_count = -1; /* TODO: starting gps read/write thread here */ g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL ); gtk_dialog_run(GTK_DIALOG(sess->dialog)); gtk_widget_destroy(sess->dialog); g_mutex_lock(sess->mutex); if (sess->ok) { sess->ok = FALSE; /* tell thread to stop */ g_mutex_unlock(sess->mutex); } else { g_mutex_unlock(sess->mutex); gps_session_delete(sess); } return 0; } static void gps_upload_cb( gpointer layer_and_vlp[2] ) { VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0]; VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD]; gps_comm(vtl, GPS_UP, vgl->protocol_id, vgl->serial_port); } static void gps_download_cb( gpointer layer_and_vlp[2] ) { VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0]; VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD]; gps_comm(vtl, GPS_DOWN, vgl->protocol_id, vgl->serial_port); } static void gps_empty_upload_cb( gpointer layer_and_vlp[2] ) { VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0]; vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]); vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]); } static void gps_empty_download_cb( gpointer layer_and_vlp[2] ) { VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0]; vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]); vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]); } static void gps_empty_all_cb( gpointer layer_and_vlp[2] ) { VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0]; vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_UPLOAD]); vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_UPLOAD]); vik_trw_layer_delete_all_waypoints ( vgl-> trw_children[TRW_DOWNLOAD]); vik_trw_layer_delete_all_tracks ( vgl-> trw_children[TRW_DOWNLOAD]); } #ifdef VIK_CONFIG_REALTIME_GPS_TRACKING static void rt_gpsd_disconnect(VikGpsLayer *vgl); static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed); static void realtime_tracking_draw(VikGpsLayer *vgl, VikViewport *vp) { struct LatLon ll; VikCoord nw, se; struct LatLon lnw, lse; vik_viewport_screen_to_coord ( vp, -20, -20, &nw ); vik_viewport_screen_to_coord ( vp, vik_viewport_get_width(vp)+20, vik_viewport_get_width(vp)+20, &se ); vik_coord_to_latlon ( &nw, &lnw ); vik_coord_to_latlon ( &se, &lse ); if ( vgl->realtime_fix.fix.latitude > lse.lat && vgl->realtime_fix.fix.latitude < lnw.lat && vgl->realtime_fix.fix.longitude > lnw.lon && vgl->realtime_fix.fix.longitude < lse.lon ) { VikCoord gps; gint x, y; gint half_back_x, half_back_y; gint half_back_bg_x, half_back_bg_y; gint pt_x, pt_y; gint ptbg_x, ptbg_y; gint side1_x, side1_y, side2_x, side2_y; gint side1bg_x, side1bg_y, side2bg_x, side2bg_y; ll.lat = vgl->realtime_fix.fix.latitude; ll.lon = vgl->realtime_fix.fix.longitude; vik_coord_load_from_latlon ( &gps, vik_viewport_get_coord_mode(vp), &ll); vik_viewport_coord_to_screen ( vp, &gps, &x, &y ); gdouble heading_cos = cos(M_PI/180*vgl->realtime_fix.fix.track); gdouble heading_sin = sin(M_PI/180*vgl->realtime_fix.fix.track); half_back_y = y+8*heading_cos; half_back_x = x-8*heading_sin; half_back_bg_y = y+10*heading_cos; half_back_bg_x = x-10*heading_sin; pt_y = half_back_y-24*heading_cos; pt_x = half_back_x+24*heading_sin; ptbg_y = half_back_bg_y-28*heading_cos; ptbg_x = half_back_bg_x+28*heading_sin; side1_y = half_back_y+9*heading_sin; side1_x = half_back_x+9*heading_cos; side1bg_y = half_back_bg_y+11*heading_sin; side1bg_x = half_back_bg_x+11*heading_cos; side2_y = half_back_y-9*heading_sin; side2_x = half_back_x-9*heading_cos; side2bg_y = half_back_bg_y-11*heading_sin; side2bg_x = half_back_bg_x-11*heading_cos; GdkPoint trian[3] = { { pt_x, pt_y }, {side1_x, side1_y}, {side2_x, side2_y} }; GdkPoint trian_bg[3] = { { ptbg_x, pt_y }, {side1bg_x, side1bg_y}, {side2bg_x, side2bg_y} }; vik_viewport_draw_polygon ( vp, vgl->realtime_track_bg_gc, TRUE, trian_bg, 3 ); vik_viewport_draw_polygon ( vp, vgl->realtime_track_gc, TRUE, trian, 3 ); vik_viewport_draw_rectangle ( vp, (vgl->realtime_fix.fix.mode > MODE_2D) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc, TRUE, x-2, y-2, 4, 4 ); //vgl->realtime_track_pt_gc = (vgl->realtime_track_pt_gc == vgl->realtime_track_pt1_gc) ? vgl->realtime_track_pt2_gc : vgl->realtime_track_pt1_gc; } } static void create_realtime_trackpoint(VikGpsLayer *vgl, gboolean forced) { struct LatLon ll; GList *last_tp; /* Note that fix.time is a double, but it should not affect the precision for most GPS */ time_t cur_timestamp = vgl->realtime_fix.fix.time; time_t last_timestamp = vgl->last_fix.fix.time; if (cur_timestamp < last_timestamp) { return; } if (vgl->realtime_record && vgl->realtime_fix.dirty) { gboolean replace = FALSE; int heading = (int)floor(vgl->realtime_fix.fix.track); int last_heading = (int)floor(vgl->last_fix.fix.track); int alt = isnan(vgl->realtime_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->realtime_fix.fix.altitude); int last_alt = isnan(vgl->last_fix.fix.altitude) ? VIK_DEFAULT_ALTITUDE : floor(vgl->last_fix.fix.altitude); if (((last_tp = g_list_last(vgl->realtime_track->trackpoints)) != NULL) && (vgl->realtime_fix.fix.mode > MODE_2D) && (vgl->last_fix.fix.mode <= MODE_2D) && ((cur_timestamp - last_timestamp) < 2)) { g_free(last_tp->data); vgl->realtime_track->trackpoints = g_list_delete_link(vgl->realtime_track->trackpoints, last_tp); replace = TRUE; } if (replace || ((cur_timestamp != last_timestamp) && ((forced || ((heading < last_heading) && (heading < (last_heading - 3))) || ((heading > last_heading) && (heading > (last_heading + 3))) || ((alt != VIK_DEFAULT_ALTITUDE) && (alt != last_alt)))))) { /* TODO: check for new segments */ VikTrackpoint *tp = vik_trackpoint_new(); tp->newsegment = FALSE; tp->has_timestamp = TRUE; tp->timestamp = vgl->realtime_fix.fix.time; tp->altitude = alt; /* speed only available for 3D fix. Check for NAN when use this speed */ tp->speed = vgl->realtime_fix.fix.speed; tp->course = vgl->realtime_fix.fix.track; tp->nsats = vgl->realtime_fix.satellites_used; tp->fix_mode = vgl->realtime_fix.fix.mode; ll.lat = vgl->realtime_fix.fix.latitude; ll.lon = vgl->realtime_fix.fix.longitude; vik_coord_load_from_latlon(&tp->coord, vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll); vgl->realtime_track->trackpoints = g_list_append(vgl->realtime_track->trackpoints, tp); vgl->realtime_fix.dirty = FALSE; vgl->realtime_fix.satellites_used = 0; vgl->last_fix = vgl->realtime_fix; } } } static void gpsd_raw_hook(VglGpsd *vgpsd, gchar *data) { gboolean update_all = FALSE; VikGpsLayer *vgl = vgpsd->vgl; if (!vgl->realtime_tracking) { g_warning("%s: receiving GPS data while not in realtime mode", __PRETTY_FUNCTION__); return; } if ((vgpsd->gpsd.fix.mode >= MODE_2D) && !isnan(vgpsd->gpsd.fix.latitude) && !isnan(vgpsd->gpsd.fix.longitude) && !isnan(vgpsd->gpsd.fix.track)) { VikWindow *vw = VIK_WINDOW(VIK_GTK_WINDOW_FROM_LAYER(vgl)); VikViewport *vvp = vik_window_viewport(vw); vgl->realtime_fix.fix = vgpsd->gpsd.fix; vgl->realtime_fix.satellites_used = vgpsd->gpsd.satellites_used; vgl->realtime_fix.dirty = TRUE; struct LatLon ll; VikCoord vehicle_coord; ll.lat = vgl->realtime_fix.fix.latitude; ll.lon = vgl->realtime_fix.fix.longitude; vik_coord_load_from_latlon(&vehicle_coord, vik_trw_layer_get_coord_mode(vgl->trw_children[TRW_REALTIME]), &ll); if ((vgl->vehicle_position == VEHICLE_POSITION_CENTERED) || (vgl->realtime_jump_to_start && vgl->first_realtime_trackpoint)) { vik_viewport_set_center_coord(vvp, &vehicle_coord); update_all = TRUE; } else if (vgl->vehicle_position == VEHICLE_POSITION_ON_SCREEN) { const int hdiv = 6; const int vdiv = 6; const int px = 20; /* adjust ment in pixels to make sure vehicle is inside the box */ gint width = vik_viewport_get_width(vvp); gint height = vik_viewport_get_height(vvp); gint vx, vy; vik_viewport_coord_to_screen(vvp, &vehicle_coord, &vx, &vy); update_all = TRUE; if (vx < (width/hdiv)) vik_viewport_set_center_screen(vvp, vx - width/2 + width/hdiv + px, vy); else if (vx > (width - width/hdiv)) vik_viewport_set_center_screen(vvp, vx + width/2 - width/hdiv - px, vy); else if (vy < (height/vdiv)) vik_viewport_set_center_screen(vvp, vx, vy - height/2 + height/vdiv + px); else if (vy > (height - height/vdiv)) vik_viewport_set_center_screen(vvp, vx, vy + height/2 - height/vdiv - px); else update_all = FALSE; } vgl->first_realtime_trackpoint = FALSE; create_realtime_trackpoint(vgl, FALSE); vik_layer_emit_update ( update_all ? VIK_LAYER(vgl) : VIK_LAYER(vgl->trw_children[TRW_REALTIME])); } } static gboolean gpsd_data_available(GIOChannel *source, GIOCondition condition, gpointer data) { VikGpsLayer *vgl = data; if (condition == G_IO_IN) { if (!gps_poll(&vgl->vgpsd->gpsd)) return TRUE; else { g_warning("Disconnected from gpsd. Trying to reconnect"); rt_gpsd_disconnect(vgl); rt_gpsd_connect(vgl, FALSE); } } return FALSE; /* no further calling */ } static gchar *make_track_name(VikTrwLayer *vtl) { const gchar basename[] = "REALTIME"; const gint bufsize = sizeof(basename) + 5; gchar *name = g_malloc(bufsize); strcpy(name, basename); gint i = 2; while (vik_trw_layer_get_track(vtl, name) != NULL) { g_snprintf(name, bufsize, "%s#%d", basename, i); i++; } return(name); } static gboolean rt_gpsd_try_connect(gpointer *data) { VikGpsLayer *vgl = (VikGpsLayer *)data; #ifndef HAVE_GPS_OPEN_R struct gps_data_t *gpsd = gps_open(vgl->gpsd_host, vgl->gpsd_port); if (gpsd == NULL) { #else vgl->vgpsd = g_malloc(sizeof(VglGpsd)); if (gps_open_r(vgl->gpsd_host, vgl->gpsd_port, /*(struct gps_data_t *)*/vgl->vgpsd) != 0) { #endif g_warning("Failed to connect to gpsd at %s (port %s). Will retry in %d seconds", vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval); return TRUE; /* keep timer running */ } #ifndef HAVE_GPS_OPEN_R vgl->vgpsd = realloc(gpsd, sizeof(VglGpsd)); #endif vgl->vgpsd->vgl = vgl; vgl->realtime_fix.dirty = vgl->last_fix.dirty = FALSE; /* track alt/time graph uses VIK_DEFAULT_ALTITUDE (0.0) as invalid */ vgl->realtime_fix.fix.altitude = vgl->last_fix.fix.altitude = VIK_DEFAULT_ALTITUDE; vgl->realtime_fix.fix.speed = vgl->last_fix.fix.speed = NAN; if (vgl->realtime_record) { VikTrwLayer *vtl = vgl->trw_children[TRW_REALTIME]; vgl->realtime_track = vik_track_new(); vgl->realtime_track->visible = TRUE; vgl->realtime_track_name = make_track_name(vtl); vik_trw_layer_add_track(vtl, vgl->realtime_track_name, vgl->realtime_track); } gps_set_raw_hook(&vgl->vgpsd->gpsd, gpsd_raw_hook); vgl->realtime_io_channel = g_io_channel_unix_new(vgl->vgpsd->gpsd.gps_fd); vgl->realtime_io_watch_id = g_io_add_watch( vgl->realtime_io_channel, G_IO_IN | G_IO_ERR | G_IO_HUP, gpsd_data_available, vgl); #if HAVE_GPS_STREAM gps_stream(&vgl->vgpsd->gpsd, WATCH_ENABLE, NULL); #else gps_query(&vgl->vgpsd->gpsd, "w+x"); #endif return FALSE; /* no longer called by timeout */ } static gboolean rt_ask_retry(VikGpsLayer *vgl) { GtkWidget *dialog = gtk_message_dialog_new (VIK_GTK_WINDOW_FROM_LAYER(vgl), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, "Failed to connect to gpsd at %s (port %s)\n" "Should Viking keep trying (every %d seconds)?", vgl->gpsd_host, vgl->gpsd_port, vgl->gpsd_retry_interval); gint res = gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); return (res == GTK_RESPONSE_YES); } static gboolean rt_gpsd_connect(VikGpsLayer *vgl, gboolean ask_if_failed) { vgl->realtime_retry_timer = 0; if (rt_gpsd_try_connect((gpointer *)vgl)) { if (vgl->gpsd_retry_interval <= 0) { g_warning("Failed to connect to gpsd but will not retry because retry intervel was set to %d (which is 0 or negative)", vgl->gpsd_retry_interval); return FALSE; } else if (ask_if_failed && !rt_ask_retry(vgl)) return FALSE; else vgl->realtime_retry_timer = g_timeout_add_seconds(vgl->gpsd_retry_interval, (GSourceFunc)rt_gpsd_try_connect, (gpointer *)vgl); } return TRUE; } static void rt_gpsd_disconnect(VikGpsLayer *vgl) { if (vgl->realtime_io_watch_id) { g_source_remove(vgl->realtime_io_watch_id); vgl->realtime_io_watch_id = 0; } if (vgl->realtime_retry_timer) { g_source_remove(vgl->realtime_retry_timer); vgl->realtime_retry_timer = 0; } if (vgl->realtime_io_channel) { GError *error = NULL; g_io_channel_shutdown (vgl->realtime_io_channel, FALSE, &error); vgl->realtime_io_channel = NULL; } if (vgl->vgpsd) { gps_close(&vgl->vgpsd->gpsd); #ifdef HAVE_GPS_OPEN_R g_free(vgl->vgpsd); #else free(vgl->vgpsd); #endif vgl->vgpsd = NULL; } if (vgl->realtime_record && vgl->realtime_track) { create_realtime_trackpoint(vgl, TRUE); if ((vgl->realtime_track->trackpoints == NULL) || (vgl->realtime_track->trackpoints->next == NULL)) vik_trw_layer_delete_track(vgl->trw_children[TRW_REALTIME], vgl->realtime_track_name); vgl->realtime_track = NULL; } } static void gps_start_stop_tracking_cb( gpointer layer_and_vlp[2]) { VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0]; vgl->realtime_tracking = (vgl->realtime_tracking == FALSE); /* Make sure we are still in the boat with libgps */ g_assert((VIK_GPS_MODE_2D == MODE_2D) && (VIK_GPS_MODE_3D == MODE_3D)); if (vgl->realtime_tracking) { vgl->first_realtime_trackpoint = TRUE; if (!rt_gpsd_connect(vgl, TRUE)) { vgl->first_realtime_trackpoint = FALSE; vgl->realtime_tracking = FALSE; } } else { /* stop realtime tracking */ vgl->first_realtime_trackpoint = FALSE; rt_gpsd_disconnect(vgl); } } #endif /* VIK_CONFIG_REALTIME_GPS_TRACKING */