private void Point_MouseUp(object sender, MouseEventArgs e)
{
if (_selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(
RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint)),
Color.Black,
FrameStyle.Dashed);
// Make group selection
_graphicsList.SelectInRectangle(DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint));
_selectMode = SelectionMode.None;
}
if (_resizedObject != null)
{
// after resizing
_resizedObject.Normalize();
_resizedObject = null;
}
if (_graphicsList.Count > 0)
{
ResizeAreaCheck();
}
pictureBox1.Capture = false;
pictureBox1.Refresh();
}
/// <summary>
/// Draw rectangle
/// </summary>
/// <param name="g"></param>
public override void Draw(Graphics g)
{
Pen pen = new Pen(Color.LawnGreen, 1);
g.DrawRectangle(pen, DrawRectangle.GetNormalizedRectangle(Rectangle));
pen.Dispose();
}
/// <summary>
/// Clone this instance
/// </summary>
public override DrawObject Clone()
{
DrawRectangle drawRectangle = new DrawRectangle();
drawRectangle.rectangle = this.rectangle;
FillDrawObjectFields(drawRectangle);
return(drawRectangle);
}
/// <summary>
/// Normalize rectangle
/// </summary>
public override void Normalize()
{
rectangle = DrawRectangle.GetNormalizedRectangle(rectangle);
}
private void Point_MouseMove(object sender, MouseEventArgs e)
{
var point = new Point(e.X, e.Y);
Point oldPoint = _lastPoint;
Cursor cursor = null;
// set cursor when mouse button is not pressed
if (e.Button == MouseButtons.None)
{
//Cursor cursor = null;
_selectMode = SelectionMode.Move;
for (int i = 0; i < _graphicsList.Count; i++)
{
int n = _graphicsList[i].HitTest(point);
if (n > 0)
{
cursor = _graphicsList[i].GetHandleCursor(n);
break;
}
}
if (cursor == null)
{
cursor = Cursors.Default;
}
pictureBox1.Cursor = cursor;
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
// Find difference between previous and current position
int dx = e.X - _lastPoint.X;
int dy = e.Y - _lastPoint.Y;
_lastPoint.X = e.X;
_lastPoint.Y = e.Y;
// resize
if (_selectMode == SelectionMode.Size)
{
if (_resizedObject != null)
{
_resizedObject.MoveHandleTo(point, _resizedObjectHandle);
pictureBox1.Refresh();
}
}
// move
if (_selectMode == SelectionMode.Move)
{
foreach (DrawObject o in _graphicsList.Selection)
{
o.Move(dx, dy);
}
pictureBox1.Cursor = Cursors.SizeAll;
pictureBox1.Refresh();
}
if (_selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, oldPoint)), Color.Black, FrameStyle.Dashed);
// Draw new selection rectangle
ControlPaint.DrawReversibleFrame(RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, point)), Color.Black, FrameStyle.Dashed);
}
}
private void Point_MouseDown(object sender, MouseEventArgs e)
{
_selectMode = SelectionMode.None;
var downPoint = new Point(e.X, e.Y);
int selectObject = Now_Select_Object_Is(downPoint);
if (selectObject > -1)
{
Now_Select_Grid_Row(selectObject);
}
// Test for resizing (only if control is selected, cursor is on the handle)
foreach (DrawObject o in _graphicsList.Selection)
{
selectedListNo++;
int handleNumber = o.HitTest(downPoint);
Trace.WriteLine(handleNumber.ToString());
if (handleNumber > 0)
{
_selectMode = SelectionMode.Size;
// keep resized object in class member
_resizedObject = o;
_resizedObjectHandle = handleNumber;
// Since we want to resize only one object, unselect all other objects
_graphicsList.UnselectAll();
o.Selected = true;
break;
}
}
// Test for move (cursor is on the object)
if (_selectMode == SelectionMode.None)
{
int n1 = _graphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (_graphicsList[i].HitTest(downPoint) == 0)
{
o = _graphicsList[i];
break;
}
}
if (o != null)
{
_selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((ModifierKeys & Keys.Control) == 0 && !o.Selected)
{
_graphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
pictureBox1.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (_selectMode == SelectionMode.None)
{
// click on background
if ((ModifierKeys & Keys.Control) == 0)
{
_graphicsList.UnselectAll();
}
_selectMode = SelectionMode.NetSelection;
}
_lastPoint.X = e.X;
_lastPoint.Y = e.Y;
_startPoint.X = e.X;
_startPoint.Y = e.Y;
pictureBox1.Capture = true;
pictureBox1.Refresh();
if (_selectMode == SelectionMode.NetSelection)
{
// Draw selection rectangle in initial position
ControlPaint.DrawReversibleFrame(
RectangleToScreen(DrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint)), Color.Black,
FrameStyle.Dashed);
}
}