private void HandleSaveKey(ScummInputState kbd)
{
if (_selectedSavegame < 255)
{
var saveName = new StringBuilder(_saveNames[_selectedSavegame]);
byte len = (byte)_saveNames[_selectedSavegame].Length;
if (kbd.IsKeyDown(KeyCode.Backspace) && len != 0) // backspace
saveName.Remove(saveName.Length - 1, 1);
else
{
var key = kbd.GetKeys().Select(k => (char?)k).LastOrDefault();
if (key.HasValue && keyAccepted(key.Value) && (len < 31))
{
saveName.Append(key.Value);
}
}
_saveNames[_selectedSavegame] = saveName.ToString();
ShowSavegameNames();
}
}
private void HandleKeyPress(ScummInputState kbd, StringBuilder textBuf)
{
if (kbd.IsKeyDown(KeyCode.Backspace))
{ // backspace
if (textBuf.Length > 0)
textBuf.Remove(textBuf.Length - 1, 1);
}
else
{
// TODO: do this in ScummInputState ?
var key = (char?)kbd.GetKeys().Where(k => k >= (KeyCode)32 && k <= (KeyCode)126).Select(k => (KeyCode?)k).FirstOrDefault();
if (!key.HasValue)
return;
// Cannot enter text wider than the save/load panel
if (_enteredTextWidth >= PanLineWidth - 10)
return;
// Cannot enter text longer than MaxTextLen-1 chars, since
// the storage is only so big. Note: The code used to incorrectly
// allow up to MaxTextLen, which caused an out of bounds access,
// overwriting the next entry in the list of savegames partially.
// This could be triggered by e.g. entering lots of periods ".".
if (textBuf.Length >= MaxTextLen - 1)
return;
// Allow the key only if is a letter, a digit, or one of a selected
// list of extra characters
if (char.IsLetterOrDigit(key.Value) || " ,().='-&+!?\"".Contains(key.Value.ToString()))
{
textBuf.Append(key);
}
}
}
private void Delay(int msecs)
{
var now = Environment.TickCount;
var endTime = now + msecs;
_keyPressed = new ScummInputState();
_mouseState = 0;
do
{
_keyPressed = _system.InputManager.GetState();
if (_keyPressed.GetKeys().Count > 0)
{
// we skip the rest of the delay and return immediately
// to handle keyboard input
return;
}
_mouseCoord = _system.InputManager.GetMousePosition();
_mouseDown = _keyPressed.IsLeftButtonDown;
_mouseState |= (ushort)(_mouseDown ? Mouse.BS1L_BUTTON_DOWN : Mouse.BS1L_BUTTON_UP);
_system.GraphicsManager.UpdateScreen();
ServiceLocator.Platform.Sleep(10);
} while (Environment.TickCount < endTime);
}
