static void
wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, wxTreeItemId id, wxSize& size)
{
wxRect rect;
if ( treeCtrl->GetBoundingRect(id, rect, true /* just the item */) )
{
// Translate to logical position so we get the full extent
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
rect.x += treeCtrl->GetScrollPos(wxHORIZONTAL);
rect.y += treeCtrl->GetScrollPos(wxVERTICAL);
#endif
size.IncTo(wxSize(rect.GetRight(), rect.GetBottom()));
}
wxTreeItemIdValue cookie;
#if defined(__INTEL_COMPILER) && 1 /* VDM auto patch */
# pragma ivdep
# pragma swp
# pragma unroll
# pragma prefetch
# if 0
# pragma simd noassert
# endif
#endif /* VDM auto patch */
for ( wxTreeItemId item = treeCtrl->GetFirstChild(id, cookie);
item.IsOk();
item = treeCtrl->GetNextChild(id, cookie) )
{
wxGetBestTreeSize(treeCtrl, item, size);
}
}
wxSize wxTreeCtrlBase::DoGetBestSize() const
{
wxSize size;
// this doesn't really compute the total bounding rectangle of all items
// but a not too bad guess of it which has the advantage of not having to
// examine all (potentially hundreds or thousands) items in the control
if (GetQuickBestSize())
{
#if defined(__INTEL_COMPILER) && 1 /* VDM auto patch */
# pragma ivdep
# pragma swp
# pragma unroll
# pragma prefetch
# if 0
# pragma simd noassert
# endif
#endif /* VDM auto patch */
for ( wxTreeItemId item = GetRootItem();
item.IsOk();
item = GetLastChild(item) )
{
wxRect rect;
// last parameter is "true" to get only the dimensions of the text
// label, we don't want to get the entire item width as it's determined
// by the current size
if ( GetBoundingRect(item, rect, true) )
{
if ( size.x < rect.x + rect.width )
size.x = rect.x + rect.width;
if ( size.y < rect.y + rect.height )
size.y = rect.y + rect.height;
}
}
}
else // use precise, if potentially slow, size computation method
{
// iterate over all items recursively
wxTreeItemId idRoot = GetRootItem();
if ( idRoot.IsOk() )
wxGetBestTreeSize(this, idRoot, size);
}
// need some minimal size even for empty tree
if ( !size.x || !size.y )
size = wxControl::DoGetBestSize();
else
{
// Add border size
size += GetWindowBorderSize();
CacheBestSize(size);
}
return size;
}
static void
wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, wxTreeItemId id, wxSize& size)
{
wxRect rect;
if ( treeCtrl->GetBoundingRect(id, rect, true /* just the item */) )
{
// Translate to logical position so we get the full extent
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
rect.x += treeCtrl->GetScrollPos(wxHORIZONTAL);
rect.y += treeCtrl->GetScrollPos(wxVERTICAL);
#endif
size.IncTo(wxSize(rect.GetRight(), rect.GetBottom()));
}
wxTreeItemIdValue cookie;
for ( wxTreeItemId item = treeCtrl->GetFirstChild(id, cookie);
item.IsOk();
item = treeCtrl->GetNextChild(id, cookie) )
{
wxGetBestTreeSize(treeCtrl, item, size);
}
}
