ladybird/LibGUI/GTableView.h

#pragma once

#include <LibGUI/GTableModel.h>
#include <LibGUI/GWidget.h>
#include <AK/Function.h>
#include <AK/HashMap.h>

class GScrollBar;
class Painter;

class GTableView : public GWidget {
public:
    explicit GTableView(GWidget* parent);
    virtual ~GTableView() override;

    int header_height() const { return m_headers_visible ? 16 : 0; }
    int item_height() const { return 16; }

    void set_model(OwnPtr<GTableModel>&&);
    GTableModel* model() { return m_model.ptr(); }
    const GTableModel* model() const { return m_model.ptr(); }

    bool headers_visible() const { return m_headers_visible; }
    void set_headers_visible(bool headers_visible) { m_headers_visible = headers_visible; }

    bool alternating_row_colors() const { return m_alternating_row_colors; }
    void set_alternating_row_colors(bool b) { m_alternating_row_colors = b; }

    void did_update_model();

    int content_width() const;
    int horizontal_padding() const { return m_horizontal_padding; }

    virtual bool accepts_focus() const override { return true; }

    Rect visible_content_rect() const;
    void scroll_into_view(const GModelIndex&, Orientation);

private:
    virtual void model_notification(const GModelNotification&);

    virtual void paint_event(GPaintEvent&) override;
    virtual void resize_event(GResizeEvent&) override;
    virtual void mousedown_event(GMouseEvent&) override;
    virtual void keydown_event(GKeyEvent&) override;

    void paint_headers(Painter&);
    void update_scrollbar_ranges();
    int item_count() const;
    Rect row_rect(int item_index) const;
    Rect header_rect(int) const;
    int column_width(int) const;

    GScrollBar* m_vertical_scrollbar { nullptr };
    GScrollBar* m_horizontal_scrollbar { nullptr };
    GWidget* m_corner_widget { nullptr };
    OwnPtr<GTableModel> m_model;
    int m_horizontal_padding { 5 };
    bool m_headers_visible { true };
    bool m_alternating_row_colors { true };
};