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crash in some very special case when arrows were used to move around fixed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1755 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1999-02-23 15:43:05 +00:00
parent 0b5efdc724
commit 69a282d4e6
1 changed files with 8 additions and 7 deletions
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15
src/generic/treectrl.cpp
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@ -1307,14 +1307,15 @@ void wxTreeCtrl::OnChar( wxKeyEvent &event )
}
if (prev)
{
while (IsExpanded(prev))
while ( IsExpanded(prev) && HasChildren(prev) )
{
int c = (int)GetChildrenCount( prev, FALSE );
long cockie = 0;
prev = GetFirstChild( prev, cockie );
for (int i = 0; i < c-1; i++)
prev = GetNextSibling( prev );
wxTreeItemId child = GetLastChild(prev);
if ( child )
{
prev = child;
}
}
SelectItem( prev );
EnsureVisible( prev );
}
@ -1341,7 +1342,7 @@ void wxTreeCtrl::OnChar( wxKeyEvent &event )
case WXK_DOWN:
{
if (IsExpanded(m_current))
if (IsExpanded(m_current) && HasChildren(m_current))
{
long cookie = 0;
wxTreeItemId child = GetFirstChild( m_current, cookie );