public override void OnMouseMove(Palette palette, MouseEventArgs e)
{
if (isNewObjectAdded == false)
{
return;
}
Point point = new Point(e.X, e.Y);
int index = CC.myService.FindObjectIndex(CC.ID);
DrawMyCurve w = (DrawMyCurve)palette.graphics[index];
if (e.Button == MouseButtons.Left)
{
int dx = myLastPoint.X - point.X;
int dy = myLastPoint.Y - point.Y;
int distance = (int)Math.Sqrt(dx * dx + dy * dy);
if (distance < minDistance)
{
if (w.PointList.Count > 1)
{
w.MoveHandleTo(point, w.HandleCount);
}
}
else
{
w.AddPoint(point);
myLastPoint = point;
}
}
palette.Refresh();
}
/// <summary>
/// 添加新的图形对象
/// </summary>
protected void AddNewObject(Palette palette, DrawObject w)
{
palette.graphics.UnselectAll();
w.Selected = true;
palette.graphics.Add(w);
palette.Capture = true;
palette.Refresh();
}
public override void OnMouseMove(Palette palette, MouseEventArgs e)
{
if (isNewObjectAdded == false)
{
return;
}
Point point = new Point(e.X, e.Y);
int index = CC.myService.FindObjectIndex(CC.ID);
if (e.Button == MouseButtons.Left)
{
DrawObject w = palette.graphics[index];
w.MoveHandleTo(point, 2);
}
palette.Refresh();
}
public override void OnMouseUp(Palette palette, MouseEventArgs e)
{
if (selectMode == SelectionMode.NetSelection)
{
palette.graphics.SelectInRectangle(palette.NetRectangle);
selectMode = SelectionMode.None;
palette.IsDrawNetRectangle = false;
}
int dx = (int)(lastPoint.X - startPoint.X);
int dy = (int)(lastPoint.Y - startPoint.Y);
string s = "";
if (selectMode == SelectionMode.Size)
{
if (resizedObject != null)
{
if (CC.userState != UserState.SingleUser)
{
s = resizedObject.ID.ToString() + "@" + resizedObjectHandle;
//x,y,移动对象ID和句柄,IPEndPoint
CC.me.SendToServer(string.Format("MoveObjectHandle,{0},{1},{2},{3}", lastPoint.X, lastPoint.Y, s, CC.me.client.Client.LocalEndPoint));
}
}
}
if (selectMode == SelectionMode.Move)
{
if (CC.userState != UserState.SingleUser)
{
int n = palette.graphics.SelectionCount;
s = "";
for (int i = n - 1; i >= 0; i--)
{
DrawObject w = palette.graphics.GetSelectedObject(i);
s += w.ID + "@";
}
//x,y,移动的对象ID集合,IPEndPoint
CC.me.SendToServer(string.Format("MoveObject,{0},{1},{2},{3}", dx, dy, s.TrimEnd('@'), CC.me.client.Client.LocalEndPoint));
}
}
if (resizedObject != null)
{
resizedObject = null;
}
palette.Capture = false;
palette.Refresh();
}
public virtual void OnMouseUp(Palette palette, MouseEventArgs e)
{
palette.Capture = false;
palette.Refresh();
isNewObjectAdded = false;
}
/// <summary>鼠标移动事件</summary>
public override void OnMouseMove(Palette palette, MouseEventArgs e)
{
Point p = new Point(e.X, e.Y);
if (e.Button == MouseButtons.None)
{
Cursor cursor = null;
if (palette.graphics != null)
{
for (int i = palette.graphics.Count - 1; i >= 0; i--)
{
int n = palette.graphics[i].HitTest(p);
if (n == 0)
{
cursor = Cursors.Hand;
}
if (n > 0)
{
cursor = palette.graphics[i].GetHandleCursor(n);
break;
}
}
}
if (cursor == null)
{
int x = 0;
for (int j = palette.graphics.Count - 1; j >= 0; j--)
{
if (palette.graphics[j].Selected)
{
x++;
}
}
if (x == 1)
{
for (int j = palette.graphics.Count - 1; j >= 0; j--)
{
if (palette.graphics[j].Selected && palette.graphics[j].PointInObject(p))
{
cursor = Cursors.NoMove2D;
}
}
}
}
palette.Cursor = cursor;
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
int dx = p.X - lastPoint.X;
int dy = p.Y - lastPoint.Y;
lastPoint.X = p.X;
lastPoint.Y = p.Y;
if (selectMode == SelectionMode.Size)
{
if (resizedObject != null)
{
resizedObject.MoveHandleTo(p, resizedObjectHandle);
palette.Refresh();
}
}
if (selectMode == SelectionMode.Move)
{
int n = palette.graphics.SelectionCount;
for (int i = n - 1; i >= 0; i--)
{
palette.graphics.GetSelectedObject(i).Move(dx, dy);
}
palette.Cursor = Cursors.SizeAll;
palette.Refresh();
}
if (selectMode == SelectionMode.NetSelection)
{
palette.NetRectangle = CC.GetNormalizedRectangle(startPoint, lastPoint);
palette.Refresh();
return;
}
}
public override void OnMouseDown(Palette palette, MouseEventArgs e)
{
CC.isToolPoint = true;
Point p = new Point(e.X, e.Y);
selectMode = SelectionMode.None;
int n = palette.graphics.SelectionCount;
for (int i = n - 1; i >= 0; i--)
{
DrawObject w = palette.graphics.GetSelectedObject(i);
int handleNumber = w.HitTest(p);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
resizedObject = w;
resizedObjectHandle = handleNumber;
palette.graphics.UnselectAll();
w.Selected = true;
break;
}
}
if (selectMode == SelectionMode.None)
{
int n1 = palette.graphics.Count;
DrawObject w = null;
//查找是否有对象被选中
for (int i = n1 - 1; i >= 0; i--)
{
if (palette.graphics[i].HitTest(p) == 0)
{
w = palette.graphics[i];
break;
}
}
if (w != null)
{
selectMode = SelectionMode.Move;
if ((Control.ModifierKeys & Keys.Control) == 0 && !w.Selected)
{
palette.graphics.UnselectAll();
}
w.Selected = true;
palette.Cursor = Cursors.SizeAll;
}
}
if (selectMode == SelectionMode.None)
{
if ((Control.ModifierKeys & Keys.Control) == 0)
{
palette.graphics.UnselectAll();
}
selectMode = SelectionMode.NetSelection;
palette.IsDrawNetRectangle = true;
}
lastPoint.X = p.X;
lastPoint.Y = p.Y;
startPoint.X = p.X;
startPoint.Y = p.Y;
palette.Capture = true;
palette.NetRectangle = CC.GetNormalizedRectangle(startPoint, lastPoint);
palette.Refresh();
}
