static void updateBootArgs( int key )
{
key &= kASCIIKeyMask;
switch ( key )
{
case kBackspaceKey:
if ( gBootArgsPtr > gBootArgs )
{
int x, y, t;
getCursorPositionAndType( &x, &y, &t );
if ( x == 0 && y )
{
x = 80; y--;
}
if (x) x--;
setCursorPosition( x, y, 0 );
putca(' ', 0x07, 1);
*gBootArgsPtr-- = '\0';
}
break;
default:
if ( key >= ' ' && gBootArgsPtr < gBootArgsEnd)
{
putchar(key); // echo to screen
*gBootArgsPtr++ = key;
}
break;
}
}
int selectAlternateBootDevice(int bootdevice)
{
int key;
int newbootdevice;
int digitsI = 0;
char *end;
char digits[3] = {0,0,0};
// We've already printed the current boot device so user knows what it is
printf("Typical boot devices are 80 (First HD), 81 (Second HD)\n");
printf("Enter two-digit hexadecimal boot device [%02x]: ", bootdevice);
do {
key = getc();
switch (key & kASCIIKeyMask) {
case kBackspaceKey:
if (digitsI > 0) {
int x, y, t;
getCursorPositionAndType(&x, &y, &t);
// Assume x is not 0;
x--;
setCursorPosition(x,y,0); // back up one char
// Overwrite with space without moving cursor position
putca(' ', 0x07, 1);
digitsI--;
} else {
// TODO: Beep or something
}
break;
case kReturnKey:
digits[digitsI] = '\0';
newbootdevice = strtol(digits, &end, 16);
if (end == digits && *end == '\0') {
// User entered empty string
printf("\nUsing default boot device %x\n", bootdevice);
key = 0;
} else if(end != digits && *end == '\0') {
bootdevice = newbootdevice;
printf("\n");
key = 0; // We gots da boot device
} else {
printf("\nCouldn't parse. try again: ");
digitsI = 0;
}
break;
default:
if (isxdigit(key & kASCIIKeyMask) && digitsI < 2) {
putc(key & kASCIIKeyMask);
digits[digitsI++] = key & kASCIIKeyMask;
} else {
// TODO: Beep or something
}
break;
};
} while (key != 0);
return bootdevice;
}
static void GUI_updateBootArgs( int key )
{
key &= kASCIIKeyMask;
switch ( key )
{
case kBackspaceKey:
if ( gBootArgsPtr > gBootArgs )
{
int x, y, t;
getCursorPositionAndType( &x, &y, &t );
if ( x == 0 && y )
{
x = 80; y--;
}
if (x)
x--;
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
setCursorPosition( x, y, 0 );
putca(' ', 0x07, 1);
} else
{
updateGraphicBootPrompt(kBackspaceKey);
}
*gBootArgsPtr-- = '\0';
}
break;
default:
if ( key >= ' ' && gBootArgsPtr < gBootArgsEnd)
{
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
putchar(key); // echo to screen
}
else
{
updateGraphicBootPrompt(key);
}
*gBootArgsPtr++ = key;
}
break;
}
}
static void updateBootArgs( int key )
{
key = ASCII_KEY(key);
switch ( key )
{
case KEY_BKSP:
if ( gBootArgsPtr > gBootArgs )
{
*--gBootArgsPtr = '\0';
int x, y, t;
getCursorPositionAndType( &x, &y, &t );
if ( x == 0 && y )
{
x = 80; y--;
}
if (x) {
x--;
}
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
setCursorPosition( x, y, 0 );
putca(' ', 0x07, 1);
}
else
{
updateGraphicBootPrompt();
}
}
break;
default:
if ( key >= ' ' && gBootArgsPtr < gBootArgsEnd)
{
*gBootArgsPtr++ = key;
if( bootArgs->Video.v_display != VGA_TEXT_MODE )
updateGraphicBootPrompt();
else if ( key >= ' ' && key < 0x7f)
putchar(key);
}
break;
}
}
static void changeCursor( int col, int row, int type, CursorState * cs )
{
if (cs) getCursorPositionAndType( &cs->x, &cs->y, &cs->type );
setCursorType( type );
setCursorPosition( col, row, 0 );
}
