diff options
Diffstat (limited to 'LibGUI/GModel.h')
| -rw-r--r-- | LibGUI/GModel.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/LibGUI/GModel.h b/LibGUI/GModel.h index 03f6b2d7f5..4dd2df72ae 100644 --- a/LibGUI/GModel.h +++ b/LibGUI/GModel.h @@ -76,7 +76,8 @@ public: Function<void(GModel&)> on_model_update; Function<void(const GModelIndex&)> on_selection_changed; - virtual GModelIndex index(int row, int column) const { return create_index(row, column); } + virtual GModelIndex parent_index(const GModelIndex&) const { return { }; } + virtual GModelIndex index(int row, int column = 0, const GModelIndex& = GModelIndex()) const { return create_index(row, column); } protected: GModel(); @@ -91,3 +92,8 @@ private: GModelIndex m_selected_index; bool m_activates_on_selection { false }; }; + +inline GModelIndex GModelIndex::parent() const +{ + return m_model ? m_model->parent_index(*this) : GModelIndex(); +} |