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Notify GtkTreeView if a node stops being a parent.

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GtkTreeView requires the row-has-child-toggled signal to be emitted in
this situation, so do it from ItemDeleted handler.

Curiously, it handles adding the first child automatically. That's good,
because detecting this situation when adding the first child wouldn't be
trivial and so not having to do it is a plus. (Emitting it on every node
addition doesn't sound like a terribly bright idea.)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68915 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2011-08-27 13:24:25 +00:00
parent d0cfefc4e0
commit 15d1fd3f6f
1 changed files with 18 additions and 5 deletions
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23
src/gtk/dataview.cpp
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@ -1588,12 +1588,14 @@ bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, cons
GTK_TREE_MODEL(wxgtk_model), &iter ));
#else
// so get the path from the parent
GtkTreeIter iter;
iter.stamp = wxgtk_model->stamp;
iter.user_data = (gpointer) parent.GetID();
wxGtkTreePath path(wxgtk_tree_model_get_path(
GTK_TREE_MODEL(wxgtk_model), &iter ));
GtkTreeIter parentIter;
parentIter.stamp = wxgtk_model->stamp;
parentIter.user_data = (gpointer) parent.GetID();
wxGtkTreePath parentPath(wxgtk_tree_model_get_path(
GTK_TREE_MODEL(wxgtk_model), &parentIter ));
// and add the final index ourselves
wxGtkTreePath path(gtk_tree_path_copy(parentPath));
int index = m_internal->GetIndexOf( parent, item );
gtk_tree_path_append_index( path, index );
#endif
@ -1603,6 +1605,17 @@ bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, cons
m_internal->ItemDeleted( parent, item );
// Did we remove the last child, causing 'parent' to become a leaf?
if ( !m_wx_model->IsContainer(parent) )
{
gtk_tree_model_row_has_child_toggled
(
GTK_TREE_MODEL(wxgtk_model),
parentPath,
&parentIter
);
}
return true;
}