T EntityOf <T>(CXCursor cursor, Func <T> creator) where T : Entity
{
Entity e;
var key = new CursorKey(cursor);
if (_CursorToEntity.TryGetValue(key, out e))
{
var t = e as T;
if (t == null)
{
throw new ApplicationException(string.Concat("\"", e.FullName, "\" class mismatch: ", e.GetType().Name, " vs ", typeof(T).Name));
}
return(t);
}
else
{
var t = _EntityBinder.Entity <T>(cursor, creator);
if (t == null)
{
return(null);
}
t.Depth = _Depth;
_CursorToEntity.Add(key, t);
return(t);
}
}
void KeyScrollAccel(Keys key)
{
switch (key)
{
case Keys.Left: // 37
keys |= CursorKey.Left;
break;
case Keys.Up: // 38
keys |= CursorKey.Up;
break;
case Keys.Right: // 39
keys |= CursorKey.Right;
break;
case Keys.Down: // 40
keys |= CursorKey.Down;
break;
default:
return;
}
if (keys != 0 && keys == last_keys)
{
key_accel++;
if (keys.HasFlag(CursorKey.Left))
{
ScrollRelative(-key_accel, 0);
}
if (keys.HasFlag(CursorKey.Right))
{
ScrollRelative(+key_accel, 0);
}
if (keys.HasFlag(CursorKey.Up))
{
ScrollRelative(0, -key_accel);
}
if (keys.HasFlag(CursorKey.Down))
{
ScrollRelative(0, +key_accel);
}
}
else
{
key_accel = 0;
}
last_keys = keys;
}