public IEnumerator <object> Task()
{
var widget = timeline.Grid.RootWidget;
while (true)
{
if (widget.Input.IsMousePressed())
{
var cw = TimelineMetrics.ColWidth;
var p = widget.Input.LocalMousePosition;
if (p.X > widget.Width - cw / 2)
{
timeline.OffsetX += cw;
}
else if (p.X < cw / 2)
{
timeline.OffsetX = Math.Max(0, timeline.OffsetX - cw);
}
Operations.SetCurrentColumn.Perform(RulerbarMouseScrollProcessor.CalcColumn(p.X));
var rh = TimelineMetrics.DefaultRowHeight;
if (p.Y > widget.Height - rh / 2)
{
timeline.OffsetY += rh;
}
else if (p.Y < rh / 2)
{
timeline.OffsetY -= rh;
}
Window.Current.Invalidate();
}
yield return(null);
}
}
public IEnumerator <object> Task()
{
var widget = timeline.Grid.RootWidget;
var userPreferences = CoreUserPreferences.Instance;
while (true)
{
if (widget.Input.IsMousePressed())
{
yield return(null);
var cw = TimelineMetrics.ColWidth;
var p = widget.LocalMousePosition();
if (p.X > widget.Width - cw / 2)
{
timeline.OffsetX += cw;
}
else if (p.X < cw / 2)
{
timeline.OffsetX = Math.Max(0, timeline.OffsetX - cw);
}
if (!userPreferences.LockTimelineCursor)
{
Core.Document.Current.History.DoTransaction(() => {
Operations.SetCurrentColumn.Perform(RulerbarMouseScrollProcessor.CalcColumn(p.X));
});
}
var rh = TimelineMetrics.DefaultRowHeight;
if (p.Y > widget.Height - rh / 2)
{
timeline.OffsetY += rh;
}
else if (p.Y < rh / 2)
{
timeline.OffsetY -= rh;
}
Window.Current.Invalidate();
}
yield return(null);
}
}
