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fixed GetNextItem(item = -1)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5654 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-01-25 16:26:17 +00:00
parent e70e8f4cf3
commit 19695fbd61
1 changed files with 17 additions and 7 deletions
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24
src/generic/listctrl.cpp
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@@ -2331,21 +2331,31 @@ void wxListMainWindow::RealizeChanges( void )
} }
} }
long wxListMainWindow::GetNextItem( long item, int WXUNUSED(geometry), int state ) long wxListMainWindow::GetNextItem( long item,
int WXUNUSED(geometry),
int state )
{ {
long ret = 0; long ret = item;
if (item > 0) ret = item; wxCHECK_MSG( ret < GetItemCount(), -1, _T("invalid listctrl index") );
if(ret >= GetItemCount()) return -1;
// notice that we start with the next item (or the first one if item == -1)
// and this is intentional to allow writing a simple loop to iterate over
// all selected items
wxNode *node = m_lines.Nth( (size_t)++ret ); wxNode *node = m_lines.Nth( (size_t)++ret );
while (node) while (node)
{ {
wxListLineData *line = (wxListLineData*)node->Data(); wxListLineData *line = (wxListLineData*)node->Data();
if ((state & wxLIST_STATE_FOCUSED) && (line == m_current)) return ret; if ((state & wxLIST_STATE_FOCUSED) && (line == m_current))
if ((state & wxLIST_STATE_SELECTED) && (line->IsHilighted())) return ret; return ret;
if (!state) return ret; if ((state & wxLIST_STATE_SELECTED) && (line->IsHilighted()))
return ret;
if (!state)
return ret;
ret++; ret++;
node = node->Next(); node = node->Next();
} }
return -1; return -1;
} }