private void LoadMouseEvent(MouseButtons button, PointF location, MouseType type)
{
IDrawObj draw = Objs.LastOrDefault(obj => obj.CanSelect(location));
if (_mouseMovingObj != draw)
{
if (_mouseMovingObj != null)
{
_mouseMovingObj.LoadMouseLeaveEvent();
}
_mouseMovingObj = draw;
if (_mouseMovingObj != null)
{
_mouseMovingObj.LoadMouseEnterEvent();
}
}
if (_mouseMovingObj != null)
{
_mouseMovingObj.LoadMouseEvent(button, location, type);
}
}
public override void MouseDown(object sender, MouseButtons button, PointF location)
{
PointF pf = GetRevertScrollAndScalePointF(location);
_downPoint = location;
if (_create.MouseDown(button, location, pf))
{
return;
}
base.MouseDown(sender, button, pf);
if (button != MouseButtons.Left)
{
return;
}
if (_controlPoint.MouseDown(pf))
{
return;
}
IDrawObj drawObj = Objs.LastOrDefault(obj => obj.CanSelect(pf));
if (drawObj != null)
{
if (Control.ModifierKeys == Keys.Control)
{
if (_selectedObjs.Contains(drawObj))
{
_selectedObjs.Remove(drawObj);
}
else
{
_selectedObjs.Add(drawObj);
}
}
else if (Control.ModifierKeys == Keys.Shift)
{
//最后选中的DrawObj位置移动到列表的最后
if (_selectedObjs.Contains(drawObj))
{
_selectedObjs.Remove(drawObj);
}
_selectedObjs.Add(drawObj);
}
else
{
if (_selectedObjs.Contains(drawObj))
{
_selectedObjs.Remove(drawObj);
}
else
{
_selectedObjs.Clear();
}
_selectedObjs.Add(drawObj);
}
}
else
{
_selectedObjs.Clear();
_isSelectFrame = true;
_rectBk = Rectangle.Empty;
}
_controlPoint.ChangeSelectObj(_selectedObjs);
_controlPoint.MouseDown(pf);
}