/* 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 ); }