/// <summary>
/// Handles mouse move events while in the "Moving" state.
/// </summary>
/// <param name="location">Mouse location on the grid.</param>
private void MouseMove_DragMoving(Point location)
{
// if we don't have anything selected, there's no point dragging anything...
if (!_marksSelectionManager.SelectedMarks.Any() || _mouseDownMark == null)
{
return;
}
TimeSpan dt = pixelsToTime(location.X - _moveResizeStartLocation.X);
// If we didn't move, get outta here.
if (dt == TimeSpan.Zero)
{
return;
}
// Calculate what our actual dt value will be.
TimeSpan earliest = _marksMoveResizeInfo.OriginalMarks.Values.Min(x => x.StartTime);
if ((earliest + dt) < TimeSpan.Zero)
{
dt = -earliest;
}
TimeSpan latest = _marksMoveResizeInfo.OriginalMarks.Values.Max(x => x.EndTime);
if ((latest + dt) > TimeInfo.TotalTime)
{
dt = TimeInfo.TotalTime - latest;
}
foreach (var markTimeInfo in _marksMoveResizeInfo.OriginalMarks)
{
markTimeInfo.Key.StartTime = markTimeInfo.Value.StartTime + dt;
}
_timeLineGlobalEventManager.OnMarksMoving(new MarksMovingEventArgs(_marksSelectionManager.SelectedMarks.ToList()));
_timeLineGlobalEventManager.OnAlignmentActivity(new AlignmentEventArgs(true, new[] { _mouseDownMark.StartTime, _mouseDownMark.EndTime }));
//Invalidate();
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (m_button == System.Windows.Forms.MouseButtons.Left)
{
switch (m_mouseState)
{
case MouseState.Normal:
return;
case MouseState.DragWait:
// Move enough to be considered a drag?
if (Math.Abs(e.X - m_mouseDownX) <= maxDxForClick)
return;
m_mouseState = MouseState.Dragging;
OnBeginDragTimeRange();
PlaybackStartTime = pixelsToTime(e.X) + VisibleTimeStart;
PlaybackEndTime = null;
goto case MouseState.Dragging;
case MouseState.Dragging:
int start, end;
if (e.X > m_mouseDownX)
{
// Start @ mouse down, end @ mouse current
start = m_mouseDownX;
end = e.X;
}
else
{
// Start @ mouse current, end @ mouse down
start = e.X;
end = m_mouseDownX;
}
PlaybackStartTime = pixelsToTime(start) + VisibleTimeStart;
PlaybackEndTime = pixelsToTime(end) + VisibleTimeStart;
return;
case MouseState.DraggingMark:
var newTime = pixelsToTime(e.X) + VisibleTimeStart;
var diff = newTime - _dragLastTime;
_marksSelectionManager.SelectedMarks.ToList().ForEach(x => x.StartTime += diff);
_dragLastTime = newTime;
if (Convert.ToInt16(newTime.Minutes) >= 10)
{
markTime = string.Format("{0:mm\\:ss\\.fff}", newTime);
}
else if (Convert.ToInt16(newTime.Minutes) >= 1)
{
markTime = string.Format("{0:m\\:ss\\.fff}", newTime);
}
else if (Convert.ToInt16(newTime.Seconds) >= 10)
{
markTime = string.Format("{0:ss\\.fff}", newTime);
}
else if (Convert.ToInt16(newTime.Seconds) <= 9)
{
markTime = string.Format("{0:s\\.fff}", newTime);
}
_timeLineGlobalEventManager.OnMarksMoving(new MarksMovingEventArgs(_marksSelectionManager.SelectedMarks.ToList()));
_timeLineGlobalEventManager.OnAlignmentActivity(new AlignmentEventArgs(true, new[] { _mouseDownMark.StartTime, _mouseDownMark.EndTime }));
break;
case MouseState.ResizeRuler:
//Adjusts Ruler Height
if (e.Location.Y > 40)
Height = e.Location.Y + 1;
break;
default:
throw new Exception("Invalid MouseState. WTF?!");
}
}
else
{
// We'll get to this point if there is no mouse button selected
var marks = MarksAt(pixelsToTime(e.X) + VisibleTimeStart);
if (marks.Any())
{
Cursor = Cursors.VSplit;
_timeLineGlobalEventManager.OnAlignmentActivity(new AlignmentEventArgs(true, new[] { marks.First().StartTime}));
}
else if (e.Location.Y <= Height - 1 && e.Location.Y >= Height - 6)
{
Cursor = Cursors.HSplit;
}
else
{
Cursor = Cursors.Hand;
_timeLineGlobalEventManager.OnAlignmentActivity(new AlignmentEventArgs(false, null));
}
}
}