/** * vik_layers_panel_new_layer: * @type: type of the new layer * * Create a new layer and add to panel. */ gboolean vik_layers_panel_new_layer ( VikLayersPanel *vlp, gint type ) { VikLayer *l; g_assert ( vlp->vvp ); l = vik_layer_create ( type, vlp->vvp, VIK_GTK_WINDOW_FROM_WIDGET(vlp), TRUE ); if ( l ) { vik_layers_panel_add_layer ( vlp, l ); return TRUE; } return FALSE; }
int main(int argc, char *argv[]) { #if !GLIB_CHECK_VERSION (2, 36, 0) g_type_init(); #endif VikLayer *vl = vik_layer_create (VIK_LAYER_TRW, NULL, FALSE); VikTrwLayer *trw = VIK_TRW_LAYER (vl); a_gpx_read_file(trw, stdin); a_gpx_write_file(trw, stdout, NULL); // NB no layer_free functions directly visible anymore // automatically called by layers_panel_finalize cleanup in full Viking program return 0; }
/** * Load a single JPG into a Trackwaypoint Layer as a waypoint * * @top: The Aggregate layer that a new TRW layer may be created in * @filename: The JPG filename * @vvp: The viewport * * Returns: Whether the loading was a success or not * * If the JPG has geotag information then the waypoint will be created with the appropriate position. * Otherwise the waypoint will be positioned at the current screen center. * If a TRW layer is already selected the waypoint will be created in that layer. */ gboolean a_jpg_load_file ( VikAggregateLayer *top, const gchar *filename, VikViewport *vvp ) { gboolean auto_zoom = TRUE; VikWindow *vw = (VikWindow *)(VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(top))); VikLayersPanel *vlp = vik_window_layers_panel ( vw ); // Auto load into TrackWaypoint layer if one is selected VikLayer *vtl = vik_layers_panel_get_selected ( vlp ); gboolean create_layer = FALSE; if ( vtl == NULL || vtl->type != VIK_LAYER_TRW ) { // Create layer if necessary vtl = vik_layer_create ( VIK_LAYER_TRW, vvp, FALSE ); vik_layer_rename ( vtl, a_file_basename ( filename ) ); create_layer = TRUE; } gchar *name = NULL; VikWaypoint *wp = NULL; #ifdef VIK_CONFIG_GEOTAG wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode (vvp), &name ); #endif if ( wp ) { // Create name if geotag method didn't return one if ( !name ) name = g_strdup ( a_file_basename ( filename ) ); vik_trw_layer_filein_add_waypoint ( VIK_TRW_LAYER(vtl), name, wp ); g_free ( name ); } else { wp = vik_waypoint_new (); wp->visible = TRUE; vik_trw_layer_filein_add_waypoint ( VIK_TRW_LAYER(vtl), (gchar*) a_file_basename(filename), wp ); vik_waypoint_set_image ( wp, filename ); // Simply set position to the current center wp->coord = *( vik_viewport_get_center ( vvp ) ); auto_zoom = FALSE; } // Complete the setup vik_layer_post_read ( vtl, vvp, TRUE ); if ( create_layer ) vik_aggregate_layer_add_layer ( top, vtl, FALSE ); if ( auto_zoom ) vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vvp ); // ATM This routine can't fail return TRUE; }
static gboolean datasource_osm_my_traces_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, DownloadMapOptions *options_unused ) { //datasource_osm_my_traces_t *data = (datasource_osm_my_traces_t *)adw->user_data; gboolean result; gchar *user_pass = osm_get_login(); DownloadMapOptions options = { FALSE, FALSE, NULL, 2, NULL, user_pass }; // Allow a couple of redirects xml_data *xd = g_malloc ( sizeof (xml_data) ); //xd->xpath = g_string_new ( "" ); xd->c_cdata = g_string_new ( "" ); xd->current_tag = tt_unknown; xd->current_gpx_meta_data = new_gpx_meta_data_t(); xd->list_of_gpx_meta_data = NULL; gchar *tmpname = a_download_uri_to_tmp_file ( DS_OSM_TRACES_GPX_FILES, &options ); result = read_gpx_files_metadata_xml ( tmpname, xd ); // Test already downloaded metadata file: eg: //result = read_gpx_files_metadata_xml ( "/tmp/viking-download.GI47PW", xd ); if ( tmpname ) { g_remove ( tmpname ); g_free ( tmpname ); } if ( ! result ) return FALSE; if ( g_list_length ( xd->list_of_gpx_meta_data ) == 0 ) { if (!vik_datasource_osm_my_traces_interface.is_thread) none_found ( GTK_WINDOW(adw->vw) ); return FALSE; } xd->list_of_gpx_meta_data = g_list_reverse ( xd->list_of_gpx_meta_data ); set_in_current_view_property ( vtl, adw->user_data, xd->list_of_gpx_meta_data ); if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_enter(); GList *selected = select_from_list ( GTK_WINDOW(adw->vw), xd->list_of_gpx_meta_data, "Select GPS Traces", "Select the GPS traces you want to add." ); if (vik_datasource_osm_my_traces_interface.is_thread) gdk_threads_leave(); // If passed in on an existing layer - we will create everything into that. // thus with many differing gpx's - this will combine all waypoints into this single layer! // Hence the preference is to create multiple layers // and so this creation of the layers must be managed here gboolean create_new_layer = ( !vtl ); // Only update the screen on the last layer acquired VikTrwLayer *vtl_last = vtl; gboolean got_something = FALSE; GList *selected_iterator = selected; while ( selected_iterator ) { VikTrwLayer *vtlX = vtl; if ( create_new_layer ) { // Have data but no layer - so create one vtlX = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, vik_window_viewport(adw->vw), NULL, FALSE ) ); if ( ((gpx_meta_data_t*)selected_iterator->data)->name ) vik_layer_rename ( VIK_LAYER ( vtlX ), ((gpx_meta_data_t*)selected_iterator->data)->name ); else vik_layer_rename ( VIK_LAYER ( vtlX ), _("My OSM Traces") ); vik_aggregate_layer_add_layer ( vik_layers_panel_get_top_layer (adw->vlp), VIK_LAYER(vtlX) ); } result = FALSE; gint gpx_id = ((gpx_meta_data_t*)selected_iterator->data)->id; if ( gpx_id ) { gchar *url = g_strdup_printf ( DS_OSM_TRACES_GPX_URL_FMT, gpx_id ); result = a_babel_convert_from_url ( vtlX, url, "gpx", status_cb, adw, &options ); // TODO investigate using a progress bar: // http://developer.gnome.org/gtk/2.24/GtkProgressBar.html got_something = got_something || result; // TODO feedback to UI to inform which traces failed if ( !result ) g_warning ( _("Unable to get trace: %s"), url ); } if ( result ) { // Move to area of the track vik_trw_layer_auto_set_view ( vtlX, vik_window_viewport(adw->vw) ); vik_layer_post_read ( VIK_LAYER(vtlX), vik_window_viewport(adw->vw), TRUE ); vtl_last = vtlX; } else if ( create_new_layer ) { // Layer not needed as no data has been acquired g_object_unref ( vtlX ); } selected_iterator = g_list_next ( selected_iterator ); } // Free memory if ( xd->current_gpx_meta_data ) free_gpx_meta_data ( xd->current_gpx_meta_data, NULL ); g_free ( xd->current_gpx_meta_data ); free_gpx_meta_data_list ( xd->list_of_gpx_meta_data ); free_gpx_meta_data_list ( selected ); g_free ( xd ); g_free ( user_pass ); // Would prefer to keep the update in acquire.c, // however since we may create the layer - need to do the update here if ( got_something ) vik_layer_emit_update ( VIK_LAYER(vtl_last) ); // ATM The user is only informed if all getting *all* of the traces failed if ( selected ) result = got_something; else // Process was cancelled but need to return that it proceeded as expected result = TRUE; return result; }
VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename_or_uri ) { g_return_val_if_fail ( vp != NULL, LOAD_TYPE_READ_FAILURE ); char *filename = (char *)filename_or_uri; if (strncmp(filename, "file://", 7) == 0) { // Consider replacing this with: // filename = g_filename_from_uri ( entry, NULL, NULL ); // Since this doesn't support URIs properly (i.e. will failure if is it has %20 characters in it) filename = filename + 7; g_debug ( "Loading file %s from URI %s", filename, filename_or_uri ); } FILE *f = xfopen ( filename ); if ( ! f ) return LOAD_TYPE_READ_FAILURE; VikLoadType_t load_answer = LOAD_TYPE_OTHER_SUCCESS; gchar *dirpath = g_path_get_dirname ( filename ); // Attempt loading the primary file type first - our internal .vik file: if ( check_magic ( f, VIK_MAGIC ) ) { if ( file_read ( top, f, dirpath, vp ) ) load_answer = LOAD_TYPE_VIK_SUCCESS; else load_answer = LOAD_TYPE_VIK_FAILURE_NON_FATAL; } else if ( a_jpg_magic_check ( filename ) ) { if ( ! a_jpg_load_file ( top, filename, vp ) ) load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE; } else { // For all other file types which consist of tracks, routes and/or waypoints, // must be loaded into a new TrackWaypoint layer (hence it be created) gboolean success = TRUE; // Detect load failures - mainly to remove the layer created as it's not required VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, FALSE ); vik_layer_rename ( vtl, a_file_basename ( filename ) ); // In fact both kml & gpx files start the same as they are in xml if ( a_file_check_ext ( filename, ".kml" ) && check_magic ( f, GPX_MAGIC ) ) { // Implicit Conversion if ( ! ( success = a_babel_convert_from ( VIK_TRW_LAYER(vtl), "-i kml", filename, NULL, NULL, NULL ) ) ) { load_answer = LOAD_TYPE_GPSBABEL_FAILURE; } } // NB use a extension check first, as a GPX file header may have a Byte Order Mark (BOM) in it // - which currently confuses our check_magic function else if ( a_file_check_ext ( filename, ".gpx" ) || check_magic ( f, GPX_MAGIC ) ) { if ( ! ( success = a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) { load_answer = LOAD_TYPE_GPX_FAILURE; } } else { // Try final supported file type if ( ! ( success = a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f, dirpath ) ) ) { // Failure here means we don't know how to handle the file load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE; } } g_free ( dirpath ); // Clean up when we can't handle the file if ( ! success ) { // free up layer g_object_unref ( vtl ); } else { // Complete the setup from the successful load vik_layer_post_read ( vtl, vp, TRUE ); vik_aggregate_layer_add_layer ( top, vtl, FALSE ); vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vp ); } } xfclose(f); return load_answer; }
/** * Read in a Viking file and return how successful the parsing was * ATM this will always work, in that even if there are parsing problems * then there will be no new values to override the defaults * * TODO flow up line number(s) / error messages of problems encountered... * */ static gboolean file_read ( VikAggregateLayer *top, FILE *f, const gchar *dirpath, VikViewport *vp ) { Stack *stack; struct LatLon ll = { 0.0, 0.0 }; gchar buffer[4096]; gchar *line; guint16 len; long line_num = 0; VikLayerParam *params = NULL; /* for current layer, so we don't have to keep on looking up interface */ guint8 params_count = 0; GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal); gboolean successful_read = TRUE; push(&stack); stack->under = NULL; stack->data = (gpointer) top; while ( fgets ( buffer, 4096, f ) ) { line_num++; line = buffer; while ( *line == ' ' || *line =='\t' ) line++; if ( line[0] == '#' ) continue; len = strlen(line); if ( len > 0 && line[len-1] == '\n' ) line[--len] = '\0'; if ( len > 0 && line[len-1] == '\r' ) line[--len] = '\0'; if ( len == 0 ) continue; if ( line[0] == '~' ) { line++; len--; if ( *line == '\0' ) continue; else if ( str_starts_with ( line, "Layer ", 6, TRUE ) ) { int parent_type = VIK_LAYER(stack->data)->type; if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) ) { successful_read = FALSE; g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type ); push(&stack); /* inside INVALID layer */ stack->data = NULL; continue; } else { VikLayerTypeEnum type = vik_layer_type_from_string ( line+6 ); push(&stack); if ( type == VIK_LAYER_NUM_TYPES ) { successful_read = FALSE; g_warning ( "Line %ld: Unknown type %s", line_num, line+6 ); stack->data = NULL; } else if (parent_type == VIK_LAYER_GPS) { stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data)); params = vik_layer_get_interface(type)->params; params_count = vik_layer_get_interface(type)->params_count; } else { stack->data = (gpointer) vik_layer_create ( type, vp, FALSE ); params = vik_layer_get_interface(type)->params; params_count = vik_layer_get_interface(type)->params_count; } } } else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) ) { if ( stack->under == NULL ) { successful_read = FALSE; g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num ); } else { /* add any string lists we've accumulated */ gpointer layer_and_vp[2]; layer_and_vp[0] = stack->data; layer_and_vp[1] = vp; g_hash_table_foreach ( string_lists, (GHFunc) string_list_set_param, layer_and_vp ); g_hash_table_remove_all ( string_lists ); if ( stack->data && stack->under->data ) { if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) { vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data), FALSE ); vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); } else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) { /* TODO: anything else needs to be done here ? */ } else { successful_read = FALSE; g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type ); } } pop(&stack); } } else if ( str_starts_with ( line, "LayerData", 9, FALSE ) ) { if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ) { /* must read until hits ~EndLayerData */ if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f, dirpath ) ) successful_read = FALSE; } else { /* simply skip layer data over */ while ( fgets ( buffer, 4096, f ) ) { line_num++; line = buffer; len = strlen(line); if ( len > 0 && line[len-1] == '\n' ) line[--len] = '\0'; if ( len > 0 && line[len-1] == '\r' ) line[--len] = '\0'; if ( strcasecmp ( line, "~EndLayerData" ) == 0 ) break; } continue; } } else { successful_read = FALSE; g_warning ( "Line %ld: Unknown tilde command", line_num ); } } else { gint32 eq_pos = -1; guint16 i; if ( ! stack->data ) continue; for ( i = 0; i < len; i++ ) if ( line[i] == '=' ) eq_pos = i; if ( stack->under == NULL && eq_pos == 12 && strncasecmp ( line, "FILE_VERSION", eq_pos ) == 0) { gint version = strtol(line+13, NULL, 10); g_debug ( "%s: reading file version %d", __FUNCTION__, version ); if ( version > VIKING_FILE_VERSION ) successful_read = FALSE; // However we'll still carry and attempt to read whatever we can } else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */ vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0) vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lat", eq_pos ) == 0 ) ll.lat = strtod ( line+4, NULL ); else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lon", eq_pos ) == 0 ) ll.lon = strtod ( line+4, NULL ); else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "utm" ) == 0) vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_UTM); else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0) vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA ); else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0) { successful_read = FALSE; g_warning ( _("Draw mode '%s' no more supported"), "google" ); } else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0) { successful_read = FALSE; g_warning ( _("Draw mode '%s' no more supported"), "kh" ); } else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0) vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR ); else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "latlon" ) == 0) vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_LATLON ); else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 ) vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 ); else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "highlightcolor", eq_pos ) == 0 ) vik_viewport_set_highlight_color ( VIK_VIEWPORT(vp), line+15 ); else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 ) vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) ); else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "drawcentermark", eq_pos ) == 0 ) vik_viewport_set_draw_centermark ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+15) ); else if ( stack->under == NULL && eq_pos == 13 && strncasecmp ( line, "drawhighlight", eq_pos ) == 0 ) vik_viewport_set_draw_highlight ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+14) ); else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 ) vik_layer_rename ( VIK_LAYER(stack->data), line+5 ); else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 ) VIK_LAYER(stack->data)->visible = TEST_BOOLEAN(line+8); else if ( eq_pos != -1 && stack->under ) { gboolean found_match = FALSE; /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */ /* also got to check for name and visible. */ if ( ! params ) { successful_read = FALSE; g_warning ( "Line %ld: No options for this kind of layer", line_num ); continue; } for ( i = 0; i < params_count; i++ ) if ( strlen(params[i].name) == eq_pos && strncasecmp ( line, params[i].name, eq_pos ) == 0 ) { VikLayerParamData x; line += eq_pos+1; if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) { GList *l = g_list_append ( g_hash_table_lookup ( string_lists, GINT_TO_POINTER ((gint) i) ), g_strdup(line) ); g_hash_table_replace ( string_lists, GINT_TO_POINTER ((gint)i), l ); /* add the value to a list, possibly making a new list. * this will be passed to the layer when we read an ~EndLayer */ } else { switch ( params[i].type ) { case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ gdk_color_parse ( line, &(x.c) ); break; /* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */ default: x.s = line; } vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp, TRUE ); } found_match = TRUE; break; } if ( ! found_match ) { // ATM don't flow up this issue because at least one internal parameter has changed from version 1.3 // and don't what to worry users about raising such issues // TODO Maybe hold old values here - compare the line value against them and if a match // generate a different style of message in the GUI... // successful_read = FALSE; g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line ); } } else { successful_read = FALSE; g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num ); } } /* could be: [Layer Type=Bla] [EndLayer] [LayerData] name=this #comment */ } while ( stack ) { if ( stack->under && stack->under->data && stack->data ) { vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data), FALSE ); vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); } pop(&stack); } if ( ll.lat != 0.0 || ll.lon != 0.0 ) vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll, TRUE ); if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized ) vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE ); /* delete anything we've forgotten about -- should only happen when file ends before an EndLayer */ g_hash_table_foreach ( string_lists, string_list_delete, NULL ); g_hash_table_destroy ( string_lists ); return successful_read; }
/* this routine is the worker thread. there is only one simultaneous download allowed */ static void get_from_anything ( w_and_interface_t *wi ) { gchar *cmd = wi->cmd; gchar *extra = wi->extra; gboolean result = TRUE; VikTrwLayer *vtl = NULL; gboolean creating_new_layer = TRUE; acq_dialog_widgets_t *w = wi->w; VikDataSourceInterface *source_interface = wi->w->source_interface; g_free ( wi ); wi = NULL; gdk_threads_enter(); if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) { VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp ); if ( IS_VIK_TRW_LAYER(current_selected) ) { vtl = VIK_TRW_LAYER(current_selected); creating_new_layer = FALSE; } } if ( creating_new_layer ) { vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) ); vik_layer_rename ( VIK_LAYER ( vtl ), _(source_interface->layer_title) ); gtk_label_set_text ( GTK_LABEL(w->status), _("Working...") ); } gdk_threads_leave(); switch ( source_interface->type ) { case VIK_DATASOURCE_GPSBABEL_DIRECT: result = a_babel_convert_from (vtl, cmd, (BabelStatusFunc) progress_func, extra, w); break; case VIK_DATASOURCE_URL: result = a_babel_convert_from_url (vtl, cmd, extra, (BabelStatusFunc) progress_func, w); break; case VIK_DATASOURCE_SHELL_CMD: result = a_babel_convert_from_shellcommand ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w); break; default: g_critical("Houston, we've had a problem."); } g_free ( cmd ); g_free ( extra ); if (!result) { gdk_threads_enter(); gtk_label_set_text ( GTK_LABEL(w->status), _("Error: acquisition failed.") ); if ( creating_new_layer ) g_object_unref ( G_OBJECT ( vtl ) ); gdk_threads_leave(); } else { gdk_threads_enter(); if (w->ok) { gtk_label_set_text ( GTK_LABEL(w->status), _("Done.") ); if ( creating_new_layer ) { /* Only create the layer if it actually contains anything useful */ if ( g_hash_table_size (vik_trw_layer_get_tracks(vtl)) || g_hash_table_size (vik_trw_layer_get_waypoints(vtl)) ) vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl)); else gtk_label_set_text ( GTK_LABEL(w->status), _("No data.") ); } /* View this data if available and is desired */ if ( vtl && source_interface->autoview ) { vik_trw_layer_auto_set_view ( vtl, vik_layers_panel_get_viewport(w->vlp) ); vik_layers_panel_emit_update (w->vlp); } if ( source_interface->keep_dialog_open ) { gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE ); gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE ); } else { gtk_dialog_response ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT ); } } else { /* canceled */ if ( creating_new_layer ) g_object_unref(vtl); } } if ( source_interface->cleanup_func ) source_interface->cleanup_func ( w->user_data ); if ( w->ok ) { w->ok = FALSE; } else { g_free ( w ); } gdk_threads_leave(); g_thread_exit ( NULL ); }
/* depending on type of filter, often only vtl or track will be given. * the other can be NULL. */ static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface, VikTrwLayer *vtl, VikTrack *track ) { /* for manual dialogs */ GtkWidget *dialog = NULL; GtkWidget *status; gchar *cmd = NULL; gchar *extra = NULL; gchar *cmd_off = NULL; gchar *extra_off = NULL; acq_dialog_widgets_t *w; gpointer user_data; gpointer options = NULL; /* for UI builder */ gpointer pass_along_data; VikLayerParamData *paramdatas = NULL; w_and_interface_t *wi; /*** INIT AND CHECK EXISTENCE ***/ if ( source_interface->init_func ) user_data = source_interface->init_func(); else user_data = NULL; pass_along_data = user_data; if ( source_interface->check_existence_func ) { gchar *error_str = source_interface->check_existence_func(); if ( error_str ) { a_dialog_error_msg ( GTK_WINDOW(vw), error_str ); g_free ( error_str ); return; } } /* BUILD UI & GET OPTIONS IF NECESSARY. */ /* POSSIBILITY 0: NO OPTIONS. DO NOTHING HERE. */ /* POSSIBILITY 1: ADD_SETUP_WIDGETS_FUNC */ if ( source_interface->add_setup_widgets_func ) { dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); GtkWidget *response_w = NULL; #if GTK_CHECK_VERSION (2, 20, 0) response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); #endif source_interface->add_setup_widgets_func(dialog, vvp, user_data); gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) ); if ( response_w ) gtk_widget_grab_focus ( response_w ); if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) { source_interface->cleanup_func(user_data); gtk_widget_destroy(dialog); return; } } /* POSSIBILITY 2: UI BUILDER */ else if ( source_interface->params ) { paramdatas = a_uibuilder_run_dialog ( source_interface->window_title, GTK_WINDOW(vw), source_interface->params, source_interface->params_count, source_interface->params_groups, source_interface->params_groups_count, source_interface->params_defaults ); if ( paramdatas ) pass_along_data = paramdatas; else return; /* TODO: do we have to free anything here? */ } /* CREATE INPUT DATA & GET COMMAND STRING */ if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) { gchar *name_src = write_tmp_trwlayer ( vtl ); ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func) ( pass_along_data, &cmd, &extra, name_src ); g_free ( name_src ); /* TODO: delete the tmp file? or delete it only after we're done with it? */ } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) { gchar *name_src = write_tmp_trwlayer ( vtl ); gchar *name_src_track = write_tmp_track ( track ); ((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func) ( pass_along_data, &cmd, &extra, name_src, name_src_track ); g_free ( name_src ); g_free ( name_src_track ); } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) { gchar *name_src_track = write_tmp_track ( track ); ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func) ( pass_along_data, &cmd, &extra, name_src_track ); g_free ( name_src_track ); } else if ( source_interface->get_cmd_string_func ) source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra, &options ); /* Get data for Off command */ if ( source_interface->off_func ) { source_interface->off_func ( pass_along_data, &cmd_off, &extra_off ); } /* cleanup for option dialogs */ if ( source_interface->add_setup_widgets_func ) { gtk_widget_destroy(dialog); dialog = NULL; } else if ( source_interface->params ) { a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count ); } w = g_malloc(sizeof(*w)); wi = g_malloc(sizeof(*wi)); wi->w = w; wi->w->source_interface = source_interface; wi->cmd = cmd; wi->extra = extra; /* usually input data type (?) */ wi->options = options; wi->vtl = vtl; wi->creating_new_layer = (!vtl); dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE ); gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) ); w->dialog = dialog; w->running = TRUE; status = gtk_label_new (_("Working...")); gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 ); gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT ); // May not want to see the dialog at all if ( source_interface->is_thread || source_interface->keep_dialog_open ) gtk_widget_show_all(dialog); w->status = status; w->vw = vw; w->vlp = vlp; w->vvp = vvp; if ( source_interface->add_progress_widgets_func ) { source_interface->add_progress_widgets_func ( dialog, user_data ); } w->user_data = user_data; if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) { VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp ); if ( IS_VIK_TRW_LAYER(current_selected) ) { wi->vtl = VIK_TRW_LAYER(current_selected); wi->creating_new_layer = FALSE; } } else if ( source_interface->mode == VIK_DATASOURCE_MANUAL_LAYER_MANAGEMENT ) { // Don't create in acquire - as datasource will perform the necessary actions wi->creating_new_layer = FALSE; VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp ); if ( IS_VIK_TRW_LAYER(current_selected) ) wi->vtl = VIK_TRW_LAYER(current_selected); } if ( wi->creating_new_layer ) { wi->vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) ); vik_layer_rename ( VIK_LAYER ( wi->vtl ), _(source_interface->layer_title) ); } if ( source_interface->is_thread ) { if ( cmd ) { g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL ); gtk_dialog_run ( GTK_DIALOG(dialog) ); if (w->running) { // Cancel and mark for thread to finish w->running = FALSE; // NB Thread will free memory } else { if ( cmd_off ) { /* Turn off */ a_babel_convert_from (NULL, cmd_off, extra_off, NULL, NULL, NULL); g_free ( cmd_off ); } if ( extra_off ) g_free ( extra_off ); // Thread finished by normal completion - free memory g_free ( w ); g_free ( wi ); } } else { // This shouldn't happen... gtk_label_set_text ( GTK_LABEL(w->status), _("Unable to create command\nAcquire method failed.") ); gtk_dialog_run (GTK_DIALOG (dialog)); } } else { // bypass thread method malarkly - you'll just have to wait... if ( source_interface->process_func ) { gboolean result = source_interface->process_func ( wi->vtl, cmd, extra, (BabelStatusFunc) progress_func, w, options ); if ( !result ) a_dialog_msg ( GTK_WINDOW(vw), GTK_MESSAGE_ERROR, _("Error: acquisition failed."), NULL ); } g_free ( cmd ); g_free ( extra ); g_free ( options ); on_complete_process ( wi ); // Actually show it if necessary if ( wi->w->source_interface->keep_dialog_open ) gtk_dialog_run ( GTK_DIALOG(dialog) ); g_free ( w ); g_free ( wi ); } gtk_widget_destroy ( dialog ); }