/// <summary>
/// 根据点相对方框的方位设置控件中显示的鼠标形状.
/// </summary>
/// <param name="mp">控件</param>
/// <param name="e">点的板坐标</param>
private void SetCursor(Point e)
{
Direction dir = CurFocus?.MouseOverWhere(e) ?? Direction.outside;
switch (dir)
{
case Direction.center:
Cursor = Cursors.SizeAll;
break;
case Direction.top:
case Direction.bottom:
Cursor = Cursors.SizeNS;
break;
case Direction.topRight:
case Direction.bottomLeft:
Cursor = Cursors.SizeNESW;
break;
case Direction.topLeft:
case Direction.bottomRight:
Cursor = Cursors.SizeNWSE;
break;
case Direction.left:
case Direction.right:
Cursor = Cursors.SizeWE;
break;
default:
Cursor = Cursors.Default;
break;
}
}
/// <summary>
/// 根据鼠标位置获取选中的Win
/// </summary>
/// <param name="de"></param>
/// <returns></returns>
public WinBase FindMouseOnRect(Point de)
{
if (SubWinList == null || SubWinList.Count == 0)
{
return(this);
}
WinBase centerRect = null;
foreach (WinBase rct in SubWinList ?? new List <WinBase>())
{
Direction dtemp = rct.MouseOverWhere(de);
switch (dtemp)
{
case Direction.outside:
break;
case Direction.center:
//如果没有边，反馈先找到的中心框。
if (centerRect == null || rct == CurFocus)
{
centerRect = rct;
}
break;
default:
return(rct);
}
}
if (centerRect == null)
{
return(this);
}
WinBase win = centerRect.FindMouseOnRect(de);
if (win != null)
{
return(win);
}
if (CurFocus != null)
{
Direction fdir = CurFocus.MouseOverWhere(de);
Direction mdir = centerRect.MouseOverWhere(de);
if (MoreFocus(mdir, fdir))
{
return(centerRect);
}
else
{
if (CurFocus == TheBoard && mdir > Direction.outside)
{
return(centerRect);
}
else
{
return(CurFocus);
}
}
}
return(centerRect);
}
private void MarkedPicture_MouseDown(object sender, MouseEventArgs e)
{
ChangeFocus.CreateInstance()?.Hide();
SetDownDelt(e.Location);
if (e.Button == MouseButtons.Left)
{
mouseDownPosition = e.Location; //记录每次点击时鼠标按下的位置
MouseLeftDown = true;
}
else if (e.Button == MouseButtons.Right)
{
if (CurFocus != null && CurFocus != TheBoard)
{
Point de = ShowToPos(e.Location);
Direction dir = CurFocus.MouseOverWhere(de);
if (dir > Direction.outside)
{
Point p = e.Location;
ChangeFocus cf = ChangeFocus.CreateInstance();
p.Offset(getRealLocation(this, theMainForm));
cf.Location = p;
if (cf.Bottom > Screen.PrimaryScreen.Bounds.Height)
{
p.Offset(0, -cf.Height);
cf.Location = p;
}
cf.Show();
}
}
}
TheBoard?.OnMouseDown(sender, e);//ShowToPos(e.Location));
}