void selectRow (const int row, const int rowHeight, const bool dontScroll,
const int lastRowSelected, const int totalItems, const bool isMouseClick)
{
hasUpdated = false;
if (row < firstWholeIndex && ! dontScroll)
{
setViewPosition (getViewPositionX(), row * rowHeight);
}
else if (row >= lastWholeIndex && ! dontScroll)
{
const int rowsOnScreen = lastWholeIndex - firstWholeIndex;
if (row >= lastRowSelected + rowsOnScreen
&& rowsOnScreen < totalItems - 1
&& ! isMouseClick)
{
setViewPosition (getViewPositionX(),
jlimit (0, jmax (0, totalItems - rowsOnScreen), row) * rowHeight);
}
else
{
setViewPosition (getViewPositionX(),
jmax (0, (row + 1) * rowHeight - getMaximumVisibleHeight()));
}
}
if (! hasUpdated)
updateContents();
}
void scrollToEnsureRowIsOnscreen (const int row, const int rowHeight)
{
if (row < firstWholeIndex)
{
setViewPosition (getViewPositionX(), row * rowHeight);
}
else if (row >= lastWholeIndex)
{
setViewPosition (getViewPositionX(),
jmax (0, (row + 1) * rowHeight - getMaximumVisibleHeight()));
}
}
void Viewport::scrollBarMoved (ScrollBar* scrollBarThatHasMoved, const double newRangeStart)
{
if (scrollBarThatHasMoved == horizontalScrollBar)
{
setViewPosition (roundToInt (newRangeStart), getViewPositionY());
}
else if (scrollBarThatHasMoved == verticalScrollBar)
{
setViewPosition (getViewPositionX(), roundToInt (newRangeStart));
}
}
void Viewport::scrollBarMoved (ScrollBar* scrollBarThatHasMoved, double newRangeStart)
{
const int newRangeStartInt = roundToInt (newRangeStart);
if (scrollBarThatHasMoved == &horizontalScrollBar)
{
setViewPosition (newRangeStartInt, getViewPositionY());
}
else if (scrollBarThatHasMoved == &verticalScrollBar)
{
setViewPosition (getViewPositionX(), newRangeStartInt);
}
}
