public override bool ConsumeKey(Key key)
{
if (ActiveChild.ConsumeKey(key))
{
CalculateSize();
return(true);
}
if (key == Key.Down)
{
if (ActiveChild == mainRowContainer)
{
Point point = ActiveChild.GetVerticalCaretLocation();
ActiveChild = bottomRowContainer;
point.Y = ActiveChild.Top + 1;
ActiveChild.SetCursorOnKeyUpDown(key, point);
return(true);
}
}
else if (key == Key.Up)
{
if (ActiveChild == bottomRowContainer)
{
Point point = ActiveChild.GetVerticalCaretLocation();
ActiveChild = mainRowContainer;
point.Y = ActiveChild.Bottom - 1;
ActiveChild.SetCursorOnKeyUpDown(key, point);
return(true);
}
}
return(false);
}
public void AdjustCarets()
{
vCaret.Location = ActiveChild.GetVerticalCaretLocation();
vCaret.CaretLength = ActiveChild.GetVerticalCaretLength();
EquationContainer innerMost = ((RowContainer)ActiveChild).GetInnerMostEquationContainer();
hCaret.Location = innerMost.GetHorizontalCaretLocation();
hCaret.CaretLength = innerMost.GetHorizontalCaretLength();
}
public override bool ConsumeKey(Key key)
{
if (ActiveChild.ConsumeKey(key))
{
CalculateSize();
return(true);
}
int currentIndex = childEquations.IndexOf(ActiveChild);
if (key == Key.Right)
{
if (currentIndex % columns < columns - 1)//not last column?
{
ActiveChild = childEquations[currentIndex + 1];
return(true);
}
}
else if (key == Key.Left)
{
if (currentIndex % columns > 0)//not last column?
{
ActiveChild = childEquations[currentIndex - 1];
return(true);
}
}
else if (key == Key.Up)
{
if (currentIndex / columns > 0)//not in first row?
{
Point point = ActiveChild.GetVerticalCaretLocation();
ActiveChild = childEquations[currentIndex - columns];;
point.Y = ActiveChild.Top + 1;
ActiveChild.SetCursorOnKeyUpDown(key, point);
return(true);
}
}
else if (key == Key.Down)
{
if (currentIndex / columns < rows - 1)//not in last row?
{
Point point = ActiveChild.GetVerticalCaretLocation();
ActiveChild = childEquations[currentIndex + columns];;
point.Y = ActiveChild.Top + 1;
ActiveChild.SetCursorOnKeyUpDown(key, point);
return(true);
}
}
return(false);
}