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make the incremental kbd search wrap to the beginning if necessary

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15767 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2002-06-06 19:37:52 +00:00
parent ad9fb0334f
commit 526b8142e1
1 changed files with 27 additions and 0 deletions
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27
src/generic/treectlg.cpp
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@@ -1195,13 +1195,40 @@ wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent,
// would be too bothersome
wxString prefix = prefixOrig.Lower();
// determine the starting point: we shouldn't take the current item (this
// allows to switch between two items starting with the same letter just by
// pressing it) but we shouldn't jump to the next one if the user is
// continuing to type as otherwise he might easily skip the item he wanted
wxTreeItemId id = idParent;
if ( prefix.length() == 1 )
{
id = GetNext(id);
}
// look for the item starting with the given prefix after it
while ( id.IsOk() && !GetItemText(id).Lower().StartsWith(prefix) )
{
id = GetNext(id);
}
// if we haven't found anything...
if ( !id.IsOk() )
{
// ... wrap to the beginning
id = GetRootItem();
if ( HasFlag(wxTR_HIDE_ROOT) )
{
// can't select virtual root
id = GetNext(id);
}
// and try all the items (stop when we get to the one we started from)
while ( id != idParent && !GetItemText(id).Lower().StartsWith(prefix) )
{
id = GetNext(id);
}
}
return id;
}