public override void Update(GameTime gameTime)
{
if (!_mouseComponent.IsMouseOwner(this))
{
return;
}
ChangeSelectionMode();
_currentMousePos = _mouseComponent.Position();
if (_mouseComponent.IsMouseButtonPressed(MouseButton.Left))
{
_startDrag = _mouseComponent.Position();
_isMouseDown = true;
if (_mouseComponent.MouseOwner != this)
{
_mouseComponent.MouseOwner = this;
}
}
if (_mouseComponent.IsMouseButtonReleased(MouseButton.Left))
{
if (_isMouseDown)
{
var selectionRectangle = CreateSelectionRectangle(_startDrag, _currentMousePos);
var rectArea = RectArea(selectionRectangle);
if (rectArea > 8)
{
SelectFromRectangle(selectionRectangle, _keyboardComponent.IsKeyDown(Keys.LeftShift), _keyboardComponent.IsKeyDown(Keys.LeftControl));
}
else
{
SelectFromPoint(_currentMousePos, _keyboardComponent.IsKeyDown(Keys.LeftShift), _keyboardComponent.IsKeyDown(Keys.LeftControl));
}
}
else
{
SelectFromPoint(_currentMousePos, _keyboardComponent.IsKeyDown(Keys.LeftShift), _keyboardComponent.IsKeyDown(Keys.LeftControl));
}
_isMouseDown = false;
}
if (!_isMouseDown)
{
if (_mouseComponent.MouseOwner == this)
{
_mouseComponent.MouseOwner = null;
_mouseComponent.ClearStates();
return;
}
}
}
