Saisir du texte avec SDL?

#include <stdio.h>
#include <stdlib.h>
#include <SDL/SDL.h>
#include <SDL/SDL_ttf.h>
#include "SDL_input/SDL_input.h"

void avorter( char message[], char messageErreur[] ) {

    fprintf( stderr, message, messageErreur );
    printf( message, messageErreur );

    atexit( SDL_Quit );
    atexit( TTF_Quit );
    exit( EXIT_FAILURE );
}

int main( int argc, char* argv[] ) {

    SDL_Surface *ecran = NULL, *imageDeFond = NULL;
    SDL_Event event;
    SDL_Rect pos = { 20, 300, 0, 0 };
    SDL_Rect positionFond;
    positionFond.x = 0;
    positionFond.y = 0;
    
    SDL_Init(SDL_INIT_VIDEO);
    
    SDL_Color   couleurTexte = { 255, 255, 255, 0 },
                couleurFond = { 0, 0, 0, 0 };
    SDL_Input *saisie = NULL;
    TTF_Init();
    TTF_Font *police = NULL;
    int quitter = 0;
    
    SDL_Flip(ecran);
    
    if( SDL_Init( SDL_INIT_VIDEO ) < 0 ) {
        avorter( "Erreur d'initialisation de la SDL: %s\n", SDL_GetError());
    }

    if( TTF_Init() < 0 ) {
        avorter( "Erreur d'initialisation de la TTF: %s\n", TTF_GetError());
    }


        if(( police = TTF_OpenFont( "arial.ttf", 15 )) == NULL ) {
        avorter( "La police %s est introuvable\n", "arial.ttf" );
    }

    if(( saisie = SDL_InputCreer( 50, pos )) == NULL ) {
        TTF_CloseFont( police );
        avorter( "Erreur d'allocation mémoire dans la fonction main: %s\n",
                SDL_GetError());
    }
    
    SDL_WM_SetCaption("tealer Steam 1.8", NULL);
    ecran = SDL_SetVideoMode(400, 400, 32, SDL_HWSURFACE | SDL_DOUBLEBUF);
    SDL_FillRect(ecran, NULL, SDL_MapRGB(ecran->format, 255, 255, 255));
    
    imageDeFond = SDL_LoadBMP("background.bmp");
    SDL_BlitSurface(imageDeFond, NULL, ecran, &positionFond);
    SDL_Flip(ecran);

    SDL_EnableUNICODE( 1 );

    do {
        SDL_Flip( ecran );
        SDL_WaitEvent( &event );
        switch( event.type ) {
            case SDL_QUIT:
                quitter = 1;
                break;
            case SDL_KEYDOWN:
                if( event.key.keysym.sym == SDLK_1) {
                    SDL_InputSaisir( saisie, ecran, police, &couleurTexte,
                            &couleurFond, SDL_INPUT_FOND_UNI, 1 );
                }
                break;
            default:
                break;
        }
    } while( !quitter );
    
    SDL_InputLiberer( saisie );
    TTF_CloseFont( police );
    TTF_Quit();
    SDL_FreeSurface(imageDeFond);
    SDL_Quit();
    return EXIT_SUCCESS;
    pause();
}