+ wxSize szMinPrev = item->GetMinSizeWithBorder();
+ item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta);
+ wxSize szMin = item->GetMinSizeWithBorder();
+ int deltaChange = GetSizeInMajorDir(szMin-szMinPrev);
+ if( deltaChange )
+ {
+ // Since we passed available space along to the item, it should not
+ // take too much, so delta should not become negative.
+ delta -= deltaChange;
+ }
+ minMajorSize += GetSizeInMajorDir(item->GetMinSizeWithBorder());
+ }
+
+ // update our min size and delta which may have changed
+ SizeInMajorDir(m_minSize) = minMajorSize;
+ delta = totalMajorSize - minMajorSize;
+
+
+ // space and sum of proportions for the remaining items, both may change
+ // below
+ wxCoord remaining = totalMajorSize;
+ int totalProportion = m_totalProportion;
+
+ // size of the (visible) items in major direction, -1 means "not fixed yet"
+ wxVector<int> majorSizes(GetItemCount(), wxDefaultCoord);
+
+
+ // Check for the degenerated case when we don't have enough space for even
+ // the min sizes of all the items: in this case we really can't do much
+ // more than to to allocate the min size to as many of fixed size items as
+ // possible (on the assumption that variable size items such as text zones
+ // or list boxes may use scrollbars to show their content even if their
+ // size is less than min size but that fixed size items such as buttons
+ // will suffer even more if we don't give them their min size)
+ if ( totalMajorSize < minMajorSize )
+ {
+ // Second degenerated case pass: allocate min size to all fixed size
+ // items.
+ for ( i = m_children.begin(), n = 0; i != m_children.end(); ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ // deal with fixed size items only during this pass
+ if ( item->GetProportion() )
+ continue;
+
+ majorSizes[n] = GetMinOrRemainingSize(m_orient, item, &remaining);
+ }
+
+
+ // Third degenerated case pass: allocate min size to all the remaining,
+ // i.e. non-fixed size, items.
+ for ( i = m_children.begin(), n = 0; i != m_children.end(); ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ // we've already dealt with fixed size items above
+ if ( !item->GetProportion() )
+ continue;