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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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14
LibGUI/GTreeView.h
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@ -9,8 +9,22 @@ public:
virtual const char* class_name() const override { return "GTreeView"; }
GModelIndex index_at_content_position(const Point&) const;
protected:
virtual void paint_event(GPaintEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
private:
int item_height() const { return 16; }
int max_item_width() const { return frame_inner_rect().width(); }
int indent_width_in_pixels() const { return 12; }
int icon_size() const { return 16; }
int icon_spacing() const { return 4; }
struct MetadataForIndex;
MetadataForIndex& ensure_metadata_for_index(const GModelIndex&) const;
mutable HashMap<void*, OwnPtr<MetadataForIndex>> m_view_metadata;
};