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LibGUI: Start working on a GFileSystemModel and hook that up in FileManager.

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This is a read-only model for the tree view, at least initially. We'll see
where we take it from there once it's more polished.
This commit is contained in:
Andreas Kling 2019-03-29 17:03:30 +01:00
parent f249c40aaa
commit 4d3c5fd83e
7 changed files with 205 additions and 6 deletions
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5
LibGUI/GModel.h
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@ -53,6 +53,8 @@ public:
virtual ColumnMetadata column_metadata(int) const { return { }; }
virtual GVariant data(const GModelIndex&, Role = Role::Display) const = 0;
virtual void update() = 0;
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); }
virtual void activate(const GModelIndex&) { }
bool is_valid(const GModelIndex& index) const
@ -76,9 +78,6 @@ public:
Function<void(GModel&)> on_model_update;
Function<void(const GModelIndex&)> on_selection_changed;
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();