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GTreeView: A bunch of work on the tree view.

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This commit is contained in:
Andreas Kling 2019-03-29 14:46:53 +01:00
parent d02238af48
commit 474340b9cd
5 changed files with 215 additions and 9 deletions
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8
LibGUI/GModel.h
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@ -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();
}