/** * a_babel_convert: * @vt: The TRW layer to modify. All data will be deleted, and replaced by what gpsbabel outputs. * @babelargs: A string containing gpsbabel command line filter options. No file types or names should * be specified. * @cb: A callback function. * @user_data: passed along to cb * @not_used: Must use NULL * * This function modifies data in a trw layer using gpsbabel filters. This routine is synchronous; * that is, it will block the calling program until the conversion is done. To avoid blocking, call * this routine from a worker thread. * * Returns: %TRUE on success */ gboolean a_babel_convert( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, gpointer user_data, gpointer not_used ) { gboolean ret = FALSE; gchar *bargs = g_strconcat(babelargs, " -i gpx", NULL); gchar *name_src = a_gpx_write_tmp_file ( vt, NULL ); if ( name_src ) { ProcessOptions po = { bargs, name_src, NULL, NULL, NULL }; ret = a_babel_convert_from ( vt, &po, cb, user_data, not_used ); (void)g_remove(name_src); g_free(name_src); } g_free(bargs); return ret; }
/** * a_babel_convert_from_url: * @vt: The #VikTrwLayer where to insert the collected data * @url: the URL to fetch * @cb: Optional callback function. Same usage as in a_babel_convert(). * @user_data: passed along to cb * @options: download options. Maybe NULL. * * Download the file pointed by the URL and optionally uses GPSBabel to convert from input_file_type. * If input_file_type is %NULL, doesn't use GPSBabel. Input must be GPX. * * Returns: %TRUE on successful invocation of GPSBabel or read of the GPX * */ gboolean a_babel_convert_from_url ( VikTrwLayer *vt, const char *url, const char *input_type, BabelStatusFunc cb, gpointer user_data, DownloadMapOptions *options ) { // If no download options specified, use defaults: DownloadMapOptions myoptions = { FALSE, FALSE, NULL, 2, NULL, NULL, NULL }; if ( options ) myoptions = *options; gint fd_src; int fetch_ret; gboolean ret = FALSE; gchar *name_src = NULL; gchar *babelargs = NULL; g_debug("%s: input_type=%s url=%s", __FUNCTION__, input_type, url); if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) { g_debug ("%s: temporary file: %s", __FUNCTION__, name_src); close(fd_src); g_remove(name_src); fetch_ret = a_http_download_get_url(url, "", name_src, &myoptions, NULL); if (fetch_ret == 0) { if (input_type != NULL) { babelargs = g_strdup_printf(" -i %s", input_type); ret = a_babel_convert_from( vt, babelargs, name_src, NULL, NULL, NULL ); } else { /* Process directly the retrieved file */ g_debug("%s: directly read GPX file %s", __FUNCTION__, name_src); FILE *f = g_fopen(name_src, "r"); if (f) { ret = a_gpx_read_file ( vt, f ); fclose(f); f = NULL; } } } g_remove(name_src); g_free(babelargs); g_free(name_src); } return ret; }
/** * a_babel_convert: * @vt: The TRW layer to modify. All data will be deleted, and replaced by what gpsbabel outputs. * @babelargs: A string containing gpsbabel command line filter options. No file types or names should * be specified. * @cb: A callback function. * @user_data: passed along to cb * @not_used: Must use NULL * * This function modifies data in a trw layer using gpsbabel filters. This routine is synchronous; * that is, it will block the calling program until the conversion is done. To avoid blocking, call * this routine from a worker thread. * * Returns: %TRUE on success */ gboolean a_babel_convert( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, gpointer user_data, gpointer not_used ) { int fd_src; FILE *f; gchar *name_src = NULL; gboolean ret = FALSE; gchar *bargs = g_strconcat(babelargs, " -i gpx", NULL); if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) { g_debug ("%s: temporary file: %s", __FUNCTION__, name_src); f = fdopen(fd_src, "w"); a_gpx_write_file(vt, f, NULL); fclose(f); f = NULL; ret = a_babel_convert_from ( vt, bargs, name_src, cb, user_data, not_used ); g_remove(name_src); g_free(name_src); } g_free(bargs); return ret; }
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; }
static gboolean datasource_osm_my_traces_process ( VikTrwLayer *vtl, ProcessOptions *process_options, 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(); // Support .zip + bzip2 files directly DownloadMapOptions options = { FALSE, FALSE, NULL, 2, NULL, user_pass, a_try_decompress_file }; // Allow a couple of redirects gchar *tmpname = a_download_uri_to_tmp_file ( DS_OSM_TRACES_GPX_FILES, &options ); if ( !tmpname ) return FALSE; 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; 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 ) { (void)util_remove ( tmpname ); g_free ( tmpname ); } if ( ! result ) { g_free ( xd ); 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) ); g_free ( xd ); 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 non thread - show program is 'doing something...' if ( !vik_datasource_osm_my_traces_interface.is_thread ) vik_window_set_busy_cursor ( adw->vw ); // 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, adw->vvp, 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") ); } 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 ); // NB download type is GPX (or a compressed version) ProcessOptions my_po = *process_options; my_po.url = url; result = a_babel_convert_from ( vtlX, &my_po, status_cb, adw, &options ); // TODO investigate using a progress bar: // http://developer.gnome.org/gtk/2.24/GtkProgressBar.html got_something = got_something || result; if ( !result ) { // Report errors to the status bar gchar* msg = g_strdup_printf ( _("Unable to get trace: %s"), url ); vik_window_statusbar_update ( adw->vw, msg, VIK_STATUSBAR_INFO ); g_free (msg); } g_free ( url ); } if ( result ) { // Can use the layer vik_aggregate_layer_add_layer ( vik_layers_panel_get_top_layer (adw->vlp), VIK_LAYER(vtlX), TRUE ); // Move to area of the track vik_layer_post_read ( VIK_LAYER(vtlX), vik_window_viewport(adw->vw), TRUE ); vik_trw_layer_auto_set_view ( vtlX, vik_window_viewport(adw->vw) ); 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; if ( !vik_datasource_osm_my_traces_interface.is_thread ) vik_window_clear_busy_cursor ( adw->vw ); return result; }
/* 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, *extra; gchar *cmd_off = NULL; gchar *extra_off = NULL; acq_dialog_widgets_t *w; gpointer user_data; /* 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 source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra ); /* 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 ); } /*** LET'S DO IT! ***/ if ( ! cmd ) return; 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 (?) */ 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->ok = TRUE; status = gtk_label_new (_("Status: detecting gpsbabel")); 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 ); gtk_widget_show_all(status); 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; g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL ); gtk_dialog_run ( GTK_DIALOG(dialog) ); if ( w->ok ) w->ok = FALSE; /* tell thread to stop. TODO: add mutex */ else { if ( cmd_off ) { /* Turn off */ a_babel_convert_from (NULL, cmd_off, NULL, extra_off, NULL); } g_free ( w ); /* thread has finished; free w */ } gtk_widget_destroy ( dialog ); }
/* 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 ); }