public void Reset()
{
this.GrabHandleBeingMoved = GrabHandles.None;
this.SelectedControl = null;
this.SelectionBounds = Rectangle.Empty;
this.SelectedCenter = Point.Empty;
}
void SelectionOverlay_MouseMove(object sender, MouseEventArgs mevent)
{
if (SelectedControl == null) return;
//Debug.WriteLine(String.Format("Selection bounds is {0}", SelectionBounds));
GrabHandles handle = SelectableControlHelper.OnMouseMove(SelectionBounds, mevent.Location);
this.Cursor = SelectableControlHelper.CursorsForCorners[(int)handle];
if (mevent.Button == MouseButtons.Left &&
SelectionBounds != null)
{
if (handle != GrabHandles.None)
{
trace("Resizing");
MoveGrabHandle(handle, mevent.Location);
GrabHandleBeingMoved = handle;
}
else if (SelectionBounds.Contains(mevent.Location) || this.NewSelectionBounds != null)
{
if (NewSelectionBounds == null)
{
SelectedCenter = new Point(mevent.Location.X - SelectionBounds.Left, mevent.Location.Y - SelectionBounds.Top);
}
Point newCenter = new Point(mevent.Location.X - SelectedCenter.X, mevent.Location.Y - SelectedCenter.Y);
trace("New center is " + newCenter);
NewSelectionBounds = new Rectangle(newCenter, this.SelectionBounds.Size);
trace("Bounds were " + NewSelectionBounds);
this.GrabHandleBeingMoved = GrabHandles.None;
}
else
{
trace("Location: " + mevent.Location);
trace("Client loc: " + this.PointToClient(mevent.Location));
trace("Bounds: " + SelectionBounds);
}
}
}
void SelectionOverlay_MouseUp(object sender, MouseEventArgs e)
{
if (GrabHandleBeingMoved != GrabHandles.None)
{
MoveGrabHandle(GrabHandleBeingMoved, e.Location);
Debug.WriteLine("SelectionBounds is " + this.SelectionBounds);
Rectangle screenRect = _parent.RectangleToScreen(this.SelectionBounds);
this.SelectedControl.UpdateProperties(screenRect.X + SelectableControlHelper.GrabHandleLength,
screenRect.Y + SelectableControlHelper.GrabHandleLength,
SelectionBounds.Width - SelectableControlHelper.GrabHandleLength * 2,
SelectionBounds.Height - SelectableControlHelper.GrabHandleLength * 2);
this.Invalidate();
this.GrabHandleBeingMoved = GrabHandles.None;
}
else if (NewSelectionBounds != null)
{
this.SelectionBounds = this.NewSelectionBounds.Value;
this.SelectionBounds.Inflate(SelectableControlHelper.GrabHandleLength, SelectableControlHelper.GrabHandleLength);
Rectangle screenRect = _parent.RectangleToScreen(this.SelectionBounds);
this.SelectedControl.UpdateProperties(screenRect.X + SelectableControlHelper.GrabHandleLength,
screenRect.Y + SelectableControlHelper.GrabHandleLength,
SelectionBounds.Width - SelectableControlHelper.GrabHandleLength * 2,
SelectionBounds.Height - SelectableControlHelper.GrabHandleLength * 2);
this.SelectedCenter = new Point(SelectionBounds.Left + (SelectionBounds.Width / 2), SelectionBounds.Top + (SelectionBounds.Height + 2));
this.NewSelectionBounds = null;
this.Invalidate();
}
else
{
TampaController.GetInstance().SelectControlAt(this.PointToScreen(e.Location));
if (e.Button == MouseButtons.Right)
{
TampaController.GetInstance().ShowContextMenu(this.PointToScreen(e.Location));
}
}
}
void MoveGrabHandle(GrabHandles g, Point p)
{
trace("Grab g picked: " + g);
Rectangle modifiedRect = this.SelectionBounds;
if (GrabHandleBeingMoved == GrabHandles.None)
trace(string.Format("Starting with {0}", modifiedRect));
if (g == GrabHandles.TopLeft || g == GrabHandles.TopMiddle || g == GrabHandles.TopRight)
{
trace("MoveY: " + p.Y);
modifiedRect.Height += (modifiedRect.Y - p.Y);
modifiedRect.Y = p.Y;
}
if (g == GrabHandles.TopLeft || g == GrabHandles.BottomLeft || g == GrabHandles.Left)
{
trace("MoveX: " + p.X);
modifiedRect.Width += (modifiedRect.X - p.X);
modifiedRect.X = p.X;
}
if (g == GrabHandles.Right || g == GrabHandles.TopRight || g == GrabHandles.BottomRight)
{
trace(string.Format("Fattening: {0}, {1}", p.X, modifiedRect.X));
modifiedRect.Width = p.X - modifiedRect.X;
}
if (g == GrabHandles.BottomLeft || g == GrabHandles.BottomMiddle || g == GrabHandles.BottomRight)
{
trace(string.Format("Growing: {0}, {1}", p.Y, modifiedRect.Y));
modifiedRect.Height = p.Y - modifiedRect.Y;
}
trace(String.Format("Modified rect: {0}", modifiedRect));
this.SelectionBounds = modifiedRect;
}