mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-10 13:00:29 +03:00
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#pragma once
|
|
|
|
#include <LibGUI/GAbstractView.h>
|
|
|
|
class GTreeView : public GAbstractView {
|
|
public:
|
|
explicit GTreeView(GWidget*);
|
|
virtual ~GTreeView() override;
|
|
|
|
virtual void scroll_into_view(const GModelIndex&, Orientation);
|
|
virtual const char* class_name() const override { return "GTreeView"; }
|
|
|
|
protected:
|
|
virtual void paint_event(GPaintEvent&) override;
|
|
virtual void mousedown_event(GMouseEvent&) override;
|
|
virtual void keydown_event(GKeyEvent&) override;
|
|
virtual void did_update_selection() override;
|
|
virtual void did_update_model() override;
|
|
|
|
private:
|
|
GModelIndex index_at_content_position(const Point&, bool& is_toggle) const;
|
|
int item_height() const { return 16; }
|
|
int max_item_width() const { return frame_inner_rect().width(); }
|
|
int indent_width_in_pixels() const { return 16; }
|
|
int icon_size() const { return 16; }
|
|
int icon_spacing() const { return 2; }
|
|
int toggle_size() const { return 9; }
|
|
int text_padding() const { return 2; }
|
|
void update_content_size();
|
|
|
|
template<typename Callback>
|
|
void traverse_in_paint_order(Callback) const;
|
|
|
|
struct MetadataForIndex;
|
|
|
|
MetadataForIndex& ensure_metadata_for_index(const GModelIndex&) const;
|
|
|
|
mutable HashMap<void*, OwnPtr<MetadataForIndex>> m_view_metadata;
|
|
|
|
RetainPtr<GraphicsBitmap> m_expand_bitmap;
|
|
RetainPtr<GraphicsBitmap> m_collapse_bitmap;
|
|
};
|