public void ensureVisible(int iIndex)
{
if (mOwner.getCurSel() < 0)
{
return;
}
mVerticalLayout.findSelectable(mOwner.getCurSel(), false);
Rectangle rcItem = mVerticalLayout.getItemAt(iIndex).getPos();
Rectangle rcList = mVerticalLayout.getPos();
ScrollbarUI pHorizontalScrollbar = mVerticalLayout.getHorizontalScrollbar();
if (pHorizontalScrollbar != null && pHorizontalScrollbar.isVisible())
{
rcList.Height = rcList.Bottom - pHorizontalScrollbar.getFixedHeight() - rcList.Top;
}
int iPos = mVerticalLayout.getScrollPos().Height;
if (rcItem.Top >= rcList.Top && rcItem.Bottom < rcList.Bottom)
{
return;
}
int dx = 0;
if (rcItem.Top < rcList.Top)
{
dx = rcItem.Top - rcList.Top;
}
if (rcItem.Bottom > rcList.Bottom)
{
dx = rcItem.Bottom - rcList.Bottom;
}
scroll(0, dx);
}
public virtual void enableScrollBar(bool bEnableVertical = true, bool bEnableHorizontal = false)
{
if (bEnableVertical && mVerticalScrollbar == null)
{
mVerticalScrollbar = new ScrollbarUI();
mVerticalScrollbar.setOwner(this);
mVerticalScrollbar.setManager(mManager, null);
if (mManager != null)
{
string pDefaultAttributes = mManager.getDefaultAttributeList("VScrollBar");
if (pDefaultAttributes != "")
{
mVerticalScrollbar.applyAttributeList(pDefaultAttributes);
}
}
}
else if (!bEnableVertical && mVerticalScrollbar != null)
{
mVerticalScrollbar = null;
}
if (bEnableHorizontal && mHorizontalScrollbar == null)
{
mHorizontalScrollbar = new ScrollbarUI();
mHorizontalScrollbar.setHorizontal(true);
mHorizontalScrollbar.setOwner(this);
mHorizontalScrollbar.setManager(mManager, null);
if (mManager != null)
{
string pDefaultAttributes = mManager.getDefaultAttributeList("HScrollBar");
if (pDefaultAttributes != "")
{
mHorizontalScrollbar.applyAttributeList(pDefaultAttributes);
}
}
}
else if (!bEnableHorizontal && mHorizontalScrollbar != null)
{
mHorizontalScrollbar = null;
}
needUpdate();
}
public void ensureVisible(int iIndex)
{
if (mCurSel < 0)
{
return;
}
Rectangle rcItem = mList.getItemAt(iIndex).getPos();
Rectangle rcList = mList.getPos();
Rectangle rcListInset = mList.getInset();
rcList.X += rcListInset.X;
rcList.Width = rcList.Right - rcListInset.Right - rcList.X;
rcList.Y += rcListInset.Y;
rcList.Height = rcList.Bottom - rcListInset.Bottom - rcList.Y;
ScrollbarUI pHorizontalScrollbar = mList.getHorizontalScrollbar();
if (pHorizontalScrollbar != null && pHorizontalScrollbar.isVisible())
{
rcList.Height = rcList.Bottom - pHorizontalScrollbar.getFixedHeight() - rcList.Top;
}
int iPos = mList.getScrollPos().Height;
if (rcItem.Top >= rcList.Top && rcItem.Bottom < rcList.Bottom)
{
return;
}
int dx = 0;
if (rcItem.Top < rcList.Top)
{
dx = rcItem.Top - rcList.Top;
}
if (rcItem.Bottom > rcList.Bottom)
{
dx = rcItem.Bottom - rcList.Bottom;
}
scroll(0, dx);
}
public override void invalidate()
{
if (!isVisible())
{
return;
}
if (getParent() != null)
{
ContainerUI pParentContainer = (ContainerUI)getParent().getInterface("Container");
if (pParentContainer != null)
{
Rectangle rc = pParentContainer.getPos();
Rectangle rcInset = pParentContainer.getInset();
int newLeft = rc.Left + rcInset.Left;
int newRight = rc.Right - rcInset.Right;
int newTop = rc.Top + rcInset.Top;
int newBottom = rc.Bottom - rcInset.Bottom;
rc.X = newLeft;
rc.Width = newRight - newLeft;
rc.Y = newTop;
rc.Height = newBottom - newTop;
ScrollbarUI pVerticalScrollbar = pParentContainer.getVerticalScrollbar();
if (pVerticalScrollbar != null && pVerticalScrollbar.isVisible())
{
rc.Width = rc.Right - pVerticalScrollbar.getFixedWidth() - rc.Left;
}
ScrollbarUI pHorizontalScrollbar = pParentContainer.getHorizontalScrollbar();
if (pHorizontalScrollbar != null && pHorizontalScrollbar.isVisible())
{
rc.Height = rc.Bottom - pHorizontalScrollbar.getFixedHeight() - rc.Top;
}
Rectangle invalidateRc = mRectItem;
if (!invalidateRc.IntersectsWith(mRectItem))
{
return;
}
invalidateRc.Intersect(mRectItem);
ControlUI pParent = getParent();
Rectangle rcTemp;
Rectangle rcParent;
while ((pParent = pParent.getParent()) != null)
{
rcTemp = invalidateRc;
rcParent = pParent.getPos();
if (!rcTemp.IntersectsWith(rcParent))
{
return;
}
invalidateRc.Intersect(rcParent);
}
if (mManager != null)
{
mManager.invalidate(ref invalidateRc);
}
}
else
{
base.invalidate();
}
}
else
{
base.invalidate();
}
}