Amebis/wxWidgets
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extract (and expand and clean up and document) the header window implementation used inside the generic wxDataViewCtrl in a separate wxHeaderCtrl class which could be reused in (generic) wxListCtrl and, most importantly, wxGrid later

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57093 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-03 21:53:10 +00:00
parent 878770b854
commit 56873923f3
51 changed files with 3043 additions and 477 deletions
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16
src/msw/treectrl.cpp
View File

@@ -797,6 +797,11 @@ bool wxTreeCtrl::DoGetItem(wxTreeViewItem *tvItem) const
wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false,
_T("can't retrieve virtual root item") );
return DoGetPossiblyRootItem(tvItem);
}
bool wxTreeCtrl::DoGetPossiblyRootItem(wxTreeViewItem *tvItem) const
{
if ( !TreeView_GetItem(GetHwnd(), tvItem) )
{
wxLogLastError(wxT("TreeView_GetItem"));
@@ -992,14 +997,7 @@ wxTreeItemParam *wxTreeCtrl::GetItemParam(const wxTreeItemId& item) const
wxTreeViewItem tvItem(item, TVIF_PARAM);
// hidden root may still have data.
if ( IS_VIRTUAL_ROOT(item) )
{
return GET_VIRTUAL_ROOT()->GetParam();
}
// visible node.
if ( !DoGetItem(&tvItem) )
if ( !DoGetPossiblyRootItem(&tvItem) )
{
return NULL;
}
@@ -1214,7 +1212,7 @@ bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );
wxTreeViewItem tvItem(item, TVIF_CHILDREN);
DoGetItem(&tvItem);
DoGetPossiblyRootItem(&tvItem);
return tvItem.cChildren != 0;
}