/// <summary>
/// Mouse move - resize new polygon
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(Xna2dDrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button == MouseButtons.Left)
{
var point = new Point(e.X, e.Y);
_newPath.MoveHandleTo(point, _newPath.HandleCount);
drawArea.Refresh();
}
}
public override void OnMouseMove(Xna2dDrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button == MouseButtons.Left)
{
var point = new Point(e.X, e.Y);
drawArea.GraphicsList[0].MoveHandleTo(point, 2);
drawArea.Refresh();
}
}
protected void AddNewObject(Xna2dDrawArea drawArea, XnaDrawObject o)
{
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
drawArea.GraphicsList.Add(o);
drawArea.Capture = true;
drawArea.Refresh();
drawArea.SetDirty();
}
/// <summary>
/// Left mouse is released.
/// New object is created and resized.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(Xna2dDrawArea drawArea, MouseEventArgs e)
{
if (drawArea.GraphicsList[0] != null)
{
drawArea.GraphicsList[0].Normalize();
}
adjustForMinimumSize(drawArea);
drawArea.Capture = false;
IsComplete = true;
drawArea.Refresh();
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(Xna2dDrawArea drawArea, MouseEventArgs e)
{
if (_selectMode == SelectionMode.NetSelection)
{
// Group selection
drawArea.GraphicsList.SelectInRectangle(drawArea.NetRectangle);
_selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (_resizedObject != null)
{
// after resizing
_resizedObject.Normalize();
_resizedObject = null;
drawArea.ResizeCommand(drawArea.GraphicsList.GetFirstSelected(),
new Point(_startPoint.X, _startPoint.Y),
new Point(drawArea.MyMouseX, drawArea.MyMouseY),
_resizedObjectHandle);
}
drawArea.Capture = false;
drawArea.Refresh();
//push the command to undo/Redo list now
if (_selectMode == SelectionMode.Move)
{
var movedItemsList = new ArrayList();
for (int i = 0; i < drawArea.GraphicsList.SelectionCount; i++)
{
movedItemsList.Add(drawArea.GraphicsList.GetSelectedObject(i));
}
var delta = new Point {
X = drawArea.MyMouseX - _startPoint.X, Y = drawArea.MyMouseY - _startPoint.Y
};
drawArea.MoveCommand(movedItemsList, delta);
}
IsComplete = true;
}
/// <summary>
/// Mouse move - resize new polygon
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(Xna2dDrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (_newPolygon == null)
{
return; // precaution
}
var point = new Point(e.X, e.Y);
int distance = (e.X - _lastX) * (e.X - _lastX) + (e.Y - _lastY) * (e.Y - _lastY);
try
{
if (distance < MinDistance)
{
// Distance between last two points is less than minimum -
// move last point
_newPolygon.MoveHandleTo(point, _newPolygon.HandleCount);
}
else
{
// Add new point
_newPolygon.AddPoint(point);
_lastX = e.X;
_lastY = e.Y;
}
drawArea.Refresh();
}
catch (Exception ex)
{
ErrH.Log("ToolPolygon", "OnMouse", ex.ToString(), ErrH._LogPriority.Info);
}
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(Xna2dDrawArea drawArea, MouseEventArgs e)
{
_selectMode = SelectionMode.None;
Point point = new Point(drawArea.MyMouseX, drawArea.MyMouseY);
// Test for resizing (only if control is selected, cursor is on the handle)
int n = drawArea.GraphicsList.SelectionCount;
for (int i = 0; i < n; i++)
{
XnaDrawObject o = drawArea.GraphicsList.GetSelectedObject(i);
int handleNumber = o.HitTest(point);
bool hitOnOutline = o.HitOnCircumferance;
if (handleNumber > 0)
{
_selectMode = SelectionMode.Size;
// keep resized object in class members
_resizedObject = o;
_resizedObjectHandle = handleNumber;
// Since we want to resize only one object, unselect all other objects
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
o.MouseClickOnHandle(handleNumber);
break;
}
if (hitOnOutline && (n == 1)) //only one item is selected
{
_selectMode = SelectionMode.Size;
o.MouseClickOnBorder();
o.Selected = true;
}
}
// Test for move (cursor is on the object)
if (_selectMode == SelectionMode.None)
{
int n1 = drawArea.GraphicsList.Count;
XnaDrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (drawArea.GraphicsList[i].HitTest(point) == 0)
{
o = drawArea.GraphicsList[i];
break;
}
}
if (o != null)
{
_selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
{
drawArea.GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
drawArea.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (_selectMode == SelectionMode.None)
{
// click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.GraphicsList.UnselectAll();
}
_selectMode = SelectionMode.NetSelection;
drawArea.DrawNetRectangle = true;
}
_lastPoint.X = drawArea.MyMouseX;
_lastPoint.Y = drawArea.MyMouseY;
_startPoint.X = drawArea.MyMouseX;
_startPoint.Y = drawArea.MyMouseY;
drawArea.Capture = true;
drawArea.NetRectangle = XnaDrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint);
drawArea.Refresh();
}
/// <summary>
/// Mouse is moved.
/// None button is pressed, ot left button is pressed.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(Xna2dDrawArea drawArea, MouseEventArgs e)
{
var point = new Point(drawArea.MyMouseX, drawArea.MyMouseY);
// set cursor when mouse button is not pressed
if (e.Button == MouseButtons.None)
{
Cursor cursor = null;
for (int i = 0; i < drawArea.GraphicsList.Count; i++)
{
int n = drawArea.GraphicsList[i].HitTest(point);
if (n > 0)
{
cursor = drawArea.GraphicsList[i].GetHandleCursor(n);
break;
}
if (drawArea.GraphicsList[i].HitOnCircumferance)
{
cursor = drawArea.GraphicsList[i].GetOutlineCursor(n);
break;
}
}
if (cursor == null)
{
cursor = Cursors.Default;
}
drawArea.Cursor = cursor;
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
// Left button is pressed
// Find difference between previous and current position
float dx = drawArea.MyMouseX - _lastPoint.X;
float dy = drawArea.MyMouseY - _lastPoint.Y;
_lastPoint.X = drawArea.MyMouseX;
_lastPoint.Y = drawArea.MyMouseY;
// resize
if (_selectMode == SelectionMode.Size)
{
if (_resizedObject != null)
{
_resizedObject.MoveHandleTo(point, _resizedObjectHandle);
drawArea.SetDirty();
drawArea.Refresh();
}
}
// move
if (_selectMode == SelectionMode.Move)
{
int n = drawArea.GraphicsList.SelectionCount;
for (int i = 0; i < n; i++)
{
drawArea.GraphicsList.GetSelectedObject(i).Move(dx, dy);
}
drawArea.Cursor = Cursors.SizeAll;
drawArea.SetDirty();
drawArea.Refresh();
}
if (_selectMode == SelectionMode.NetSelection)
{
drawArea.NetRectangle = XnaDrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint);
drawArea.Refresh();
return;
}
}