/// <summary> /// Left mouse button is pressed /// </summary> /// <param name="DrawRegion"></param> /// <param name="e"></param> public override void OnMouseDown(DrawRegion drawRegion, MouseEventArgs e) { selectMode = SelectionMode.None; Point point = new Point(e.X, e.Y); // Test for move (cursor is on the object) if (selectMode == SelectionMode.None) { int n1 = drawRegion.GraphicsList.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (drawRegion.GraphicsList[i].HitTest(point) == 0) { o = drawRegion.GraphicsList[i]; break; } } if (o != null) { selectMode = SelectionMode.Move; o.Selected = true; } } // Net selection if (selectMode == SelectionMode.None) { selectMode = SelectionMode.NetSelection; drawRegion.DrawNetRectangle = true; } lastPoint.X = e.X; lastPoint.Y = e.Y; startPoint.X = e.X; startPoint.Y = e.Y; drawRegion.Capture = true; drawRegion.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint); drawRegion.Refresh(); }
/// <summary> /// Right mouse button is released /// </summary> /// <param name="DrawRegion"></param> /// <param name="e"></param> public override void OnMouseUp(DrawRegion drawRegion, MouseEventArgs e) { if (selectMode == SelectionMode.NetSelection) { // Group selection drawRegion.GraphicsList.SelectInRectangle(drawRegion.NetRectangle); selectMode = SelectionMode.None; drawRegion.DrawNetRectangle = false; } if (resizedObject != null) { // after resizing resizedObject.Normalize(); resizedObject = null; } drawRegion.Capture = false; drawRegion.Refresh(); }
public void Add(DrawObject obj) { // insert to the top of z-order graphicsList.Insert(0, obj); }