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don't assert when right/down cursor arrows are used in an empty tree control with wxTR_HIDE_ROOT style (patch 1756184)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47556 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2007-07-18 23:42:58 +00:00
parent 5ad2b5ce07
commit 6f7f0d0a2d
1 changed files with 8 additions and 1 deletions
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9
src/generic/treectlg.cpp
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@ -2766,7 +2766,11 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
case WXK_RIGHT: case WXK_RIGHT:
// this works the same as the down arrow except that we // this works the same as the down arrow except that we
// also expand the item if it wasn't expanded yet // also expand the item if it wasn't expanded yet
Expand(m_current); if (m_current != GetRootItem() || !HasFlag(wxTR_HIDE_ROOT))
Expand(m_current);
//else: don't try to expand hidden root item (which can be the
// current one when the tree is empty)
// fall through // fall through
case WXK_DOWN: case WXK_DOWN:
@ -2775,6 +2779,9 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
{ {
wxTreeItemIdValue cookie; wxTreeItemIdValue cookie;
wxTreeItemId child = GetFirstChild( m_key_current, cookie ); wxTreeItemId child = GetFirstChild( m_key_current, cookie );
if ( !child )
break;
DoSelectItem( child, unselect_others, extended_select ); DoSelectItem( child, unselect_others, extended_select );
m_key_current=(wxGenericTreeItem*) child.m_pItem; m_key_current=(wxGenericTreeItem*) child.m_pItem;
} }