ui_logic.c

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#include <dttr_loader_ui.h>
 
bool DTTR_LoaderUI_ChoiceIsBrowse(DTTR_LoaderUIChoice choice) {
    return choice == DTTR_LOADER_UI_CHOICE_BROWSE_FOLDER
           || choice == DTTR_LOADER_UI_CHOICE_BROWSE_ISO;
}
 
bool DTTR_LoaderUI_ChoiceIsDisc(DTTR_LoaderUIChoice choice, size_t *out_index) {
    const int index = (int)choice - DTTR_LOADER_UI_CHOICE_DISC_BASE;
    if (index < 0 || index >= DTTR_LOADER_UI_MAX_DISC_CANDIDATES) {
        return false;
    }
 
    if (out_index) {
        *out_index = (size_t)index;
    }
 
    return true;
}
 
DTTR_LoaderUIChoice DTTR_LoaderUI_ChoiceFromID(int choice_id) {
    const DTTR_LoaderUIChoice choice = (DTTR_LoaderUIChoice)choice_id;
    if (DTTR_LoaderUI_ChoiceIsBrowse(choice)) {
        return choice;
    }
 
    if (DTTR_LoaderUI_ChoiceIsDisc(choice, NULL)) {
        return choice;
    }
 
    return DTTR_LOADER_UI_CHOICE_EXIT;
}
 
DTTR_LoaderUIChoice DTTR_LoaderUI_DiscChoiceForIndex(size_t index) {
    if (index >= DTTR_LOADER_UI_MAX_DISC_CANDIDATES) {
        return DTTR_LOADER_UI_CHOICE_EXIT;
    }
 
    return (DTTR_LoaderUIChoice)(DTTR_LOADER_UI_CHOICE_DISC_BASE + (int)index);
}