public static void ExDragTo(ExtPoint Pos)
{
if (DragObject.ActiveDrag || Math.Abs(DragObject.DragStartPos.X - Pos.X) >= MouseDragThreshold || Math.Abs(DragObject.DragStartPos.Y - Pos.Y) >= MouseDragThreshold)
{
BaseMainWindow mainWnd = DragControl.MainWindow;
BaseControl Target = mainWnd.GetSubControl(Pos.X, Pos.Y);
DragObject.ActiveDrag = true;
if (!Target.Equals(DragObject.DragTarget))
{
ExDoDragOver(DRAGSTATE_LEAVE);
if (DragObject == null)
{
return;
}
DragObject.DragTarget = Target;
DragObject.DragPos = Pos;
ExDoDragOver(DRAGSTATE_ENTER);
if (DragObject == null)
{
return;
}
}
DragObject.DragPos = Pos;
DragObject.Accepted = ExDoDragOver(DRAGSTATE_MOVE);
}
}
public void EndDrag(bool drop)
{
if (DragControl.Equals(this))
{
ExDragDone(drop);
}
}
public void ProcessMouseUp(MouseEventArgs eventArgs)
{
eventArgs.X -= fLeft;
eventArgs.Y -= fTop;
if (DragObject != null)
{
ExDragDone(true);
}
else
{
BaseControl ctl = GetClientControl(eventArgs.X, eventArgs.Y);
BaseControl activeCtl = fActiveControl;
if (this is BaseWindow && activeCtl != null && activeCtl is BaseWindow && (((BaseWindow)activeCtl).HasStyle(WindowStyles.wsModal)))
{
if (activeCtl.Equals(ctl))
{
activeCtl.ProcessMouseUp(eventArgs);
}
}
else
{
if (fActiveControl != null && (fActiveControl.ControlStyle.Contains(ControlStyles.сsCaptureMouse)))
{
fActiveControl.ProcessMouseUp(eventArgs);
}
else
{
if (ctl != null)
{
ctl.ProcessMouseUp(eventArgs);
}
else
{
if (Enabled)
{
DoMouseUpEvent(eventArgs);
}
}
}
}
}
}
public void ProcessMouseMove(MouseMoveEventArgs eventArgs)
{
eventArgs = (MouseMoveEventArgs)eventArgs.Clone();
eventArgs.X -= fLeft;
eventArgs.Y -= fTop;
fMouseX = eventArgs.X;
fMouseY = eventArgs.Y;
if (DragObject != null)
{
ExDragTo(new ExtPoint(eventArgs.X, eventArgs.Y));
}
else
{
BaseControl ctl = GetClientControl(eventArgs.X, eventArgs.Y);
BaseControl activeCtl = fActiveControl;
if (this is BaseWindow && activeCtl != null && activeCtl is BaseWindow && (((BaseWindow)activeCtl).HasStyle(WindowStyles.wsModal)))
{
if (activeCtl.Equals(ctl))
{
activeCtl.ProcessMouseMove(eventArgs);
}
}
else
{
if (fActiveControl != null)
{
fActiveControl.ProcessMouseMove(eventArgs);
}
if (ctl != null)
{
ctl.ProcessMouseMove(eventArgs);
}
if (Enabled)
{
DoMouseMoveEvent(eventArgs);
}
}
}
}
public void ProcessMouseDown(MouseEventArgs eventArgs)
{
eventArgs.X -= fLeft;
eventArgs.Y -= fTop;
if (DragObject == null)
{
BaseControl ctl = GetClientControl(eventArgs.X, eventArgs.Y);
BaseControl activeCtl = fActiveControl;
if (this is BaseWindow && activeCtl != null && activeCtl is BaseWindow && (((BaseWindow)activeCtl).HasStyle(WindowStyles.wsModal)))
{
if (activeCtl.Equals(ctl))
{
activeCtl.ProcessMouseDown(eventArgs);
}
}
else
{
if (Owner != null && (Owner.ControlStyle.Contains(ControlStyles.сsAcceptsControls)))
{
Owner.ActiveControl = this;
}
fActiveControl = null;
if (ctl != null)
{
ctl.ProcessMouseDown(eventArgs);
}
else
{
if (Enabled)
{
DoMouseDownEvent(eventArgs);
}
if (fDragMode == DRAGMODE_AUTOMATIC)
{
BeginDrag(false);
}
}
}
}
}
