n_allegro5.c

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#include "nilorea/n_common.h"
#include "nilorea/n_allegro5.h"
 
int get_keyboard(ALLEGRO_USTR* str, ALLEGRO_EVENT event) {
    __n_assert(str, return FALSE);
    if (event.type == ALLEGRO_EVENT_KEY_CHAR) {
        if (event.keyboard.unichar >= 32) {
            al_ustr_append_chr(str, event.keyboard.unichar);
            return TRUE;
        } else if (event.keyboard.keycode == ALLEGRO_KEY_BACKSPACE) {
            int pos = (int)al_ustr_size(str);
            if (al_ustr_prev(str, &pos))
                al_ustr_truncate(str, pos);
            return TRUE;
        }
    }
    return FALSE;
}