fixed hidden root expansion in extreme usage case
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15984 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@ -835,9 +835,17 @@ size_t wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recurs
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void wxGenericTreeCtrl::SetWindowStyle(const long styles)
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{
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// right now, just sets the styles. Eventually, we may
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// want to update the inherited styles, but right now
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// none of the parents has updatable styles
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if (!HasFlag(wxTR_HIDE_ROOT) && (styles & wxTR_HIDE_ROOT))
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{
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// if we will hide the root, make sure children are visible
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m_anchor->SetHasPlus();
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m_anchor->Expand();
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CalculatePositions();
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}
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// right now, just sets the styles. Eventually, we may
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// want to update the inherited styles, but right now
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// none of the parents has updatable styles
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m_windowStyle = styles;
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m_dirty = TRUE;
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}
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