public static void SetResizeMode(Control control, Control rootControl, TypeMover workType)
{
_moving = false;
_resizing = false;
_cursorStartPoint = Vector2.Zero;
_mouseIsInLeftEdge = false;
_mouseIsInLeftEdge = false;
_mouseIsInRightEdge = false;
_mouseIsInTopEdge = false;
_mouseIsInBottomEdge = false;
Init(control, rootControl, workType);
}
private static void MouseDown(Control control, MouseEventArgs e, TypeMover workType)
{
if (_moving || _resizing) return;
_cursorStartPoint = e.Coord - control.Location;
UpdateMouseEdgeProperties(control, e.Coord, workType);
UpdateMouseCursor(control, workType);
if ((workType & TypeMover.Resize) == TypeMover.Resize
&& (_mouseIsInRightEdge || _mouseIsInLeftEdge || _mouseIsInTopEdge || _mouseIsInBottomEdge))
_resizing = true;
if ((workType & TypeMover.Move) == TypeMover.Move)
_moving = true;
}
private static void MouseMove(Control control, MouseEventArgs e, TypeMover workType)
{
if (!_resizing && !_moving)
UpdateMouseEdgeProperties(control, e.Coord, workType);
Vector2 cur = e.Coord - control.Location;
if (_resizing)
{
if (_mouseIsInLeftEdge)
{
if (_mouseIsInTopEdge)
{
control.Width -= (cur.X - _cursorStartPoint.X);
control.Left += (cur.X - _cursorStartPoint.X);
control.Height -= (cur.Y - _cursorStartPoint.Y);
control.Top += (cur.Y - _cursorStartPoint.Y);
}
else if (_mouseIsInBottomEdge)
{
control.Width -= (cur.X - _cursorStartPoint.X);
control.Left += (cur.X - _cursorStartPoint.X);
control.Height = cur.Y + Border;
}
else
{
control.Width -= (cur.X - _cursorStartPoint.X);
control.Left += (cur.X - _cursorStartPoint.X);
}
}
else if (_mouseIsInRightEdge)
{
if (_mouseIsInTopEdge)
{
control.Width = cur.X + Border;
control.Height -= (cur.Y - _cursorStartPoint.Y);
control.Top += (cur.Y - _cursorStartPoint.Y);
}
else if (_mouseIsInBottomEdge)
{
control.Width = cur.X + Border;
control.Height = cur.Y + Border;
}
else control.Width = cur.X + Border;
}
else if (_mouseIsInTopEdge)
{
control.Height -= (cur.Y - _cursorStartPoint.Y);
control.Top += (cur.Y - _cursorStartPoint.Y);
}
else if (_mouseIsInBottomEdge) control.Height = cur.Y + Border;
else MouseUp(control, workType);
}
else if (_moving)
{
float x = (e.X - _cursorStartPoint.X);
float y = (e.Y - _cursorStartPoint.Y);
control.Location = _cursorStartPoint = new Vector2(x, y);
}
UpdateMouseCursor(control, workType);
}
private static void Init(IControl control, Control rootControl, TypeMover workType)
{
control.MouseDown += (sender, e) => MouseDown(rootControl, e, workType);
control.MouseUp += (sender, e) => MouseUp(rootControl, workType);
control.MouseMove += (sender, e) => MouseMove(rootControl, e, workType);
}
private static void UpdateMouseEdgeProperties(Control control, Vector2 mouseLocationInControl, TypeMover workType)
{
_mouseIsInLeftEdge = Math.Abs(_cursorStartPoint.X) <= Border;
_mouseIsInRightEdge = Math.Abs(_cursorStartPoint.X - control.Width) <= Border;
_mouseIsInTopEdge = Math.Abs(_cursorStartPoint.Y) <= Border;
_mouseIsInBottomEdge = Math.Abs(_cursorStartPoint.Y - control.Height) <= Border;
}
private static void UpdateMouseCursor(Control control, TypeMover workType)
{
//if (workType == TypeMover.Move)
//{
// control.Cursor = _moving ? Cursors.Hand : Cursors.Default;
// return;
//}
//if (_mouseIsInLeftEdge)
//{
// if (_mouseIsInTopEdge) control.Cursor = Cursors.SizeNWSE;
// else if (_mouseIsInBottomEdge) control.Cursor = Cursors.SizeNESW;
// else control.Cursor = Cursors.SizeWE;
//}
//else if (_mouseIsInRightEdge)
//{
// if (_mouseIsInTopEdge) control.Cursor = Cursors.SizeNESW;
// else if (_mouseIsInBottomEdge) control.Cursor = Cursors.SizeNWSE;
// else control.Cursor = Cursors.SizeWE;
//}
//else if (_mouseIsInTopEdge || _mouseIsInBottomEdge) control.Cursor = Cursors.SizeNS;
//else control.Cursor = Cursors.Default;
}
private static void MouseUp(Control control, TypeMover workType)
{
_resizing = false;
_moving = false;
//control.Capture = false;
UpdateMouseCursor(control, workType);
}
