diff options
Diffstat (limited to 'include/vcl')
| -rw-r--r-- | include/vcl/weld.hxx | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/vcl/weld.hxx b/include/vcl/weld.hxx index ea5576c35ce8..2649e551921a 100644 --- a/include/vcl/weld.hxx +++ b/include/vcl/weld.hxx @@ -463,7 +463,10 @@ protected: void signal_changed() { m_aChangeHdl.Call(*this); } void signal_row_activated() { m_aRowActivatedHdl.Call(*this); } - bool signal_expanding(TreeIter& rIter) { return m_aExpandingHdl.Call(rIter); } + bool signal_expanding(TreeIter& rIter) + { + return !m_aExpandingHdl.IsSet() || m_aExpandingHdl.Call(rIter); + } // arg is pair<row,col> void signal_toggled(const std::pair<int, int>& rRowCol) { m_aRadioToggleHdl.Call(rRowCol); } @@ -566,6 +569,15 @@ public: // set iter to point to next node, depth first, then sibling virtual bool iter_next(TreeIter& rIter) const = 0; virtual bool iter_children(TreeIter& rIter) const = 0; + bool iter_nth_child(TreeIter& rIter, int nChild) const + { + if (!iter_children(rIter)) + return false; + bool bRet = true; + for (int i = 0; i < nChild && bRet; ++i) + bRet = iter_next(rIter); + return bRet; + } virtual bool iter_parent(TreeIter& rIter) const = 0; virtual int get_iter_depth(const TreeIter& rIter) const = 0; virtual bool iter_has_child(const TreeIter& rIter) const = 0; |