public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
AddNewObject(drawArea, new DrawRectangleObject(e.X, e.Y, 1, 1));
}
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
AddNewObject(drawArea, new DrawImageObject(e.X, e.Y));
}
/// <summary>
/// 按下鼠标左键
/// </summary>
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
_selectMode = SelectionMode.None;
PointF point = new Point(e.X, e.Y);
// 调整大小的测试（仅当选择了控件时，光标位于句柄上）
int n = drawArea.GraphicsList.SelectionCount;
for (int i = 0; i < n; i++)
{
DrawObject o = drawArea.GraphicsList.GetSelectedObject(i);
int handleNumber = o.HitTest(point);
bool hitOnOutline = o.HitOnCircumferance;
if (handleNumber > 0)
{
_selectMode = SelectionMode.Size;
#region LineConnect
if (o is DrawConnectLine && handleNumber != 2)
{
((DrawConnectLine)o).SetFollowObjectNull(handleNumber);
}
if (o is DrawConnectObject connect)
{
connect.SetFollowDrawObject(handleNumber, null, -1);
}
//if (o is WireConnectLineDrawObject && handleNumber != 2)
//{
// ((WireConnectLineDrawObject)o).SetFollowObjectNull(handleNumber);
//}
#endregion
//if ( o is SingleDisConnectorDrawObject && handleNumber == 9)
//{
// float state = ((SingleDisConnectorDrawObject)o).Switch;
// ((SingleDisConnectorDrawObject)o).Switch = state == 0 ? 1 : 0;
//}
// 在类成员中保留调整大小的对象
_resizedObject = o;
_resizedObjectHandle = handleNumber;
// 因为我们只想调整一个对象的大小，所以取消选择所有其他对象。
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
o.MouseClickOnHandle(handleNumber);
break;
}
if (hitOnOutline && (n == 1))
{
_selectMode = SelectionMode.Size;
o.MouseClickOnBorder();
o.Selected = true;
}
}
// 移动测试（光标在对象上）
if (_selectMode == SelectionMode.None)
{
int n1 = drawArea.GraphicsList.Count;
DrawObject 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;
// 如果未按ctrl且尚未选择单击的对象，则取消全选
if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
{
drawArea.GraphicsList.UnselectAll();
}
// 选择单击的对象
o.Selected = true;
drawArea.Cursor = Cursors.SizeAll;
}
}
//判断是否点击到旋钮
if (_selectMode == SelectionMode.None)
{
for (int i = 0; i < n; i++)
{
DrawObject o = drawArea.GraphicsList.GetSelectedObject(i);
bool hitonknob = o.HitKnobTest(point);
if (hitonknob)
{
_selectMode = SelectionMode.Rotate;
// 在类成员中保留调整角度的对象
_rerotateObject = o;
// 因为我们只想调整一个对象的大小，所以取消选择所有其他对象。
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
break;
}
}
}
// 净选择
if (_selectMode == SelectionMode.None)
{
// 点击背景
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.GraphicsList.UnselectAll();
}
_selectMode = SelectionMode.NetSelection;
drawArea.DrawNetRectangle = true;
}
//保存一次最近操作
_lastPoint.X = e.X;
_lastPoint.Y = e.Y;
_startPoint.X = e.X;
_startPoint.Y = e.Y;
drawArea.Capture = true;
drawArea.NetRectangle = DrawRectangleObject.GetNormalizedRectangle(_startPoint, _lastPoint);
drawArea.Refresh();
}
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
AddNewObject(drawArea, new DrawCircleObject(e.X, e.Y, 1, 1));
// AddNewObject(drawArea, new DrawEllipseObject(e.X, e.Y, 1, 1));
}
/// <summary>
/// 释放鼠标右键
/// </summary>
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
if (_selectMode == SelectionMode.NetSelection)
{
// 分组选择
drawArea.GraphicsList.SelectInRectangle(drawArea.NetRectangle);
_selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (_resizedObject != null)
{
//if(_resizedObject is DeviceDrawObject)
//{
// var device = (DeviceDrawObject)_resizedObject;
// for (int i = 0; i < drawArea.GraphicsList.Count; i++)
// {
// if (!(drawArea.GraphicsList[i] is DeviceDrawObject)) continue;
// int hithandle = drawArea.GraphicsList[i].HitTest(device.GetHandle(_resizedObjectHandle));
// if ( hithandle>= 0)
// {
// device.SetConnect(hithandle, (DeviceDrawObject) drawArea.GraphicsList[i]);
// ((DeviceDrawObject) drawArea.GraphicsList[i]).SetConnect(hithandle, device);
// }
// }
//}
#region LineConnect
if (_resizedObjectHandle != 2 && _resizedObject is DrawConnectLine)
{
var line = (DrawConnectLine)_resizedObject;
for (int i = 0; i < drawArea.GraphicsList.Count; i++)
{
if (drawArea.GraphicsList[i] is DrawConnectLine)
{
continue;
}
if (drawArea.GraphicsList[i] is DrawLineObject)
{
continue;
}
if (drawArea.GraphicsList[i].HitTest(line.GetHandle(_resizedObjectHandle)) >= 0)
{
line.SetFollowObject(_resizedObjectHandle, drawArea.GraphicsList[i]);
}
}
}
if (_resizedObject is DrawConnectObject connect)
{
for (int i = 0; i < drawArea.GraphicsList.Count; i++)
{
if (drawArea.GraphicsList[i] is DeviceDrawObjectBase device)
{
if (device.HitTest(connect.GetHandle(_resizedObjectHandle)) >= 0)
{
connect.SetFollowDrawObject(_resizedObjectHandle,
device, device.GetNearestPort(connect.GetHandle(_resizedObjectHandle)));
}
}
}
}
//if (_resizedObjectHandle != 2 && _resizedObject is WireConnectLineDrawObject line1)
//{
// for (int i = 0; i < drawArea.GraphicsList.Count; i++)
// {
// //if (drawArea.GraphicsList[i] is WireConnectLineDrawObject) continue;
// //if (drawArea.GraphicsList[i] is WireConnectLineDrawObject) continue;
// int hit = drawArea.GraphicsList[i].HitTest(line1.GetHandle(_resizedObjectHandle));
// if (hit >= 0)
// {
// if (hit == 0)
// {
// float mins = 99999;
// int hits = 0;
// for (int j = 0; j < drawArea.GraphicsList[i].HandleCount; j++)
// {
// var point = drawArea.GraphicsList[i].GetHandle(j);
// var dis = (point.X - e.X) * (point.X - e.X) + (point.Y - e.Y) * (point.Y - e.Y);
// if ( dis < mins)
// {
// mins = dis;
// hits = j;
// }
// }
// hit = hits;
// }
// //if (drawArea.GraphicsList[i] is DeviceDrawObject
// // && !(drawArea.GraphicsList[i] is WireConnectLineDrawObject))
// //{
// // PortDrawObject port = null;
// // foreach (var portDrawObject in ((DeviceDrawObject)drawArea.GraphicsList[i]).PortDrawObjects)
// // {
// // if(portDrawObject.OwnerDevice != drawArea.GraphicsList[i]) break;
// // if (portDrawObject.OwnerDeviceHandle != hit) continue;
// // port = portDrawObject;
// // break;
// // }
// // if (port == null)
// // {
// // port = new PortDrawObject(e.X, e.Y)
// // {
// // ConnectDevice = _resizedObject as DeviceDrawObject,
// // //OwnerDeviceHandle = hit,
// // OwnerDevice = drawArea.GraphicsList[i] as DeviceDrawObject
// // };
// // port.OwnerDeviceHandle = hit;
// // ((DeviceDrawObject)drawArea.GraphicsList[i]).PortDrawObjects.Add(port);
// // drawArea.GraphicsList.Add(port);
// // }
// //line1.SetFollowObject(_resizedObjectHandle, port, 9);
// //break;
// }
// else
// {
// line1.SetFollowObject(_resizedObjectHandle, drawArea.GraphicsList[i]);
// break;
// }
// }
//}
//}
#endregion
// 调整大小后
_resizedObject.MouseClickOnHandleUp(_resizedObjectHandle);
_resizedObject.Normalize();
_resizedObject = null;
drawArea.ResizeCommand(drawArea.GraphicsList.GetFirstSelected(),
new PointF(_startPoint.X, _startPoint.Y),
new PointF(e.X, e.Y),
_resizedObjectHandle);
}
if (_rerotateObject != null)
{
_rerotateObject.Normalize();
_rerotateObject = null;
drawArea.RerotateCommand(drawArea.GraphicsList.GetFirstSelected(),
new PointF(_startPoint.X, _startPoint.Y),
new PointF(e.X, e.Y));
}
drawArea.Capture = false;
drawArea.Refresh();
//立即按命令撤消/重做列表
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 PointF {
X = e.X - _startPoint.X, Y = e.Y - _startPoint.Y
};
drawArea.MoveCommand(movedItemsList, delta);
}
IsComplete = true;
}
/// <summary>
/// 鼠标移动。
/// 无按钮按下，OT左按钮按下。
/// </summary>
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
var point = new Point(e.X, e.Y);
// 不按鼠标按钮时设置光标
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;
}
bool hitknob = drawArea.GraphicsList[i].HitKnobTest(point);
if (hitknob)
{
cursor = drawArea.GraphicsList[i].GetKnodCursor();
}
}
if (cursor == null)
{
cursor = Cursors.Default;
}
drawArea.Cursor = cursor;
return;
}
if (e.Button != MouseButtons.Left)
{
return;
}
// 查找上一个位置和当前位置之间的差异
float dx = e.X - _lastPoint.X;
float 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);
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.Rotate)
{
if (_rerotateObject != null)
{
//_rerotateObject.RotateKnobTo(point);
_rerotateObject.Rotate((dx + dy) / 2);
drawArea.SetDirty();
drawArea.Refresh();
}
}
if (_selectMode == SelectionMode.NetSelection)
{
drawArea.NetRectangle = DrawRectangleObject.GetNormalizedRectangle(_startPoint, _lastPoint);
drawArea.Refresh();
return;
}
}
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
Cursor = _openHand;
}
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = e.Button == MouseButtons.Left ? _closedHand : _openHand;
}
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = _closedHand;
}