unleashed-firmware/applications/subghz/scenes/subghz_scene_delete.c

#include "../subghz_i.h"
#include "../helpers/subghz_custom_event.h"

void subghz_scene_delete_callback(GuiButtonType result, InputType type, void* context) {
    furi_assert(context);
    SubGhz* subghz = context;
    if((result == GuiButtonTypeRight) && (type == InputTypeShort)) {
        view_dispatcher_send_custom_event(subghz->view_dispatcher, SubGhzCustomEventSceneDelete);
    }
}

void subghz_scene_delete_on_enter(void* context) {
    SubGhz* subghz = context;
    string_t frequency_str;
    string_t modulation_str;
    string_t text;

    string_init(frequency_str);
    string_init(modulation_str);
    string_init(text);

    subghz_get_frequency_modulation(subghz, frequency_str, modulation_str);
    widget_add_string_element(
        subghz->widget, 78, 0, AlignLeft, AlignTop, FontSecondary, string_get_cstr(frequency_str));

    widget_add_string_element(
        subghz->widget,
        113,
        0,
        AlignLeft,
        AlignTop,
        FontSecondary,
        string_get_cstr(modulation_str));
    subghz_protocol_decoder_base_get_string(subghz->txrx->decoder_result, text);
    widget_add_string_multiline_element(
        subghz->widget, 0, 0, AlignLeft, AlignTop, FontSecondary, string_get_cstr(text));

    string_clear(frequency_str);
    string_clear(modulation_str);
    string_clear(text);

    widget_add_button_element(
        subghz->widget, GuiButtonTypeRight, "Delete", subghz_scene_delete_callback, subghz);

    view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewIdWidget);
}

bool subghz_scene_delete_on_event(void* context, SceneManagerEvent event) {
    SubGhz* subghz = context;
    if(event.type == SceneManagerEventTypeCustom) {
        if(event.event == SubGhzCustomEventSceneDelete) {
            strncpy(subghz->file_path_tmp, subghz->file_path, SUBGHZ_MAX_LEN_NAME);
            if(subghz_delete_file(subghz)) {
                scene_manager_next_scene(subghz->scene_manager, SubGhzSceneDeleteSuccess);
            } else {
                scene_manager_search_and_switch_to_previous_scene(
                    subghz->scene_manager, SubGhzSceneStart);
            }
            return true;
        }
    }
    return false;
}

void subghz_scene_delete_on_exit(void* context) {
    SubGhz* subghz = context;
    widget_reset(subghz->widget);
}