public override void MouseDrag(object sender, PointF arg, PointF delta, int dragCall)
{
if (delta.X != 0)
{
var cmds = new CompoundCommand();
var x = Instance.XDeltaToTime(delta.X);
var mouseX = Instance.XPosToTime(arg.X);
//move start/end
if ((FStart == null) || (FEnd == null))
{
if ((FStart != null) && (mouseX < Instance.Model.LoopEnd.Value))
{
cmds.Append(Command.Set(FStart, mouseX));
}
if ((FEnd != null) && (mouseX > Instance.Model.LoopStart.Value))
{
cmds.Append(Command.Set(FEnd, mouseX));
}
}
else //move region
{
cmds.Append(Command.Set(FStart, FStart.Value + x));
cmds.Append(Command.Set(FEnd, FEnd.Value + x));
}
//execute changes immediately
cmds.Execute();
//collect changes for history
FMoveCommands.Append(cmds);
Instance.Parent.UpdateScene();
}
}
public override void MouseDrag(object sender, PointF arg, PointF delta, int callNr)
{
if (FMoveCommands != null)
{
var cmds = new CompoundCommand();
var rlr = Instance.Parent.Parent.Ruler;
var dx = rlr.XDeltaToTime(delta.X);
// in order to do snapping we need to seperate view- and model-time first
// var closestKeyframe = Instance.Parent.Parent.Tracks.SelectMany(track => track.KeyframeViews).Except(Enumerable.Repeat(Instance, 1)).OrderBy(kf => kf.Model.Time.Value).Where(kf => Math.Abs(rlr.TimeToXPos(kf.Model.Time.Value) - rlr.TimeToXPos(Instance.Model.Time.Value)) < 3);
// if (closestKeyframe.Any())
// dx = Instance.Model.Time.Value - closestKeyframe.First().Model.Time.Value;
var i = 0;
foreach (var kf in FSelectedKeyframes)
{
//set time
cmds.Append(Command.Set(kf.Model.Time, kf.Model.Time.Value + dx));
//set value if value keyframe
if (kf is ValueKeyframeView)
{
var vkf = kf as ValueKeyframeView;
var dy = vkf.Parent.YDeltaToValue(delta.Y);
var min = vkf.Parent.Model.Maximum.Value;
var max = vkf.Parent.Model.Minimum.Value;
FActualValues[i] += dy;
if (!FAffectedTracks.Any(x => x.Collapsed))
{
cmds.Append(Command.Set(vkf.Model.Value, Math.Min(min, Math.Max(max, FActualValues[i]))));
}
i++;
}
}
//execute changes immediately
cmds.Execute();
//collect changes for history
FMoveCommands.Append(cmds);
Instance.Parent.Parent.UpdateScene();
}
}
public override void MouseSelection(object sender, MouseArg arg, RectangleF rect)
{
var cmds = new CompoundCommand();
foreach (var track in Instance.Parent.Tracks)
{
var trackRect = track.ToTrackRect(rect);
foreach (var kf in track.KeyframeViews)
{
var wasSelected = kf.Model.Selected.Value;
var isSelected = kf.IsSelectedBy(trackRect);
if (arg.AltKey)
{
if (FPreviouslySelected.Contains(kf)) //only remove from previously selected
{
cmds.Append(Command.Set(kf.Model.Selected, !isSelected));
}
}
else if (arg.CtrlKey)
{
if (!FPreviouslySelected.Contains(kf)) //only add to previously selected
{
cmds.Append(Command.Set(kf.Model.Selected, isSelected));
}
}
else if (isSelected != wasSelected) //only send selection change
{
cmds.Append(Command.Set(kf.Model.Selected, isSelected));
}
}
}
if (cmds.CommandCount > 0)
{
//execute changes immediately
cmds.Execute();
//collect changes for history
FSelectionCommands.Append(cmds);
}
rect = new RectangleF(rect.X, rect.Y - Instance.Parent.FTrackGroup.Transforms[0].Matrix.Elements[5], rect.Width, rect.Height);
Instance.Parent.SetSelectionRect(rect);
Instance.Parent.UpdateScene();
}