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/*
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
#include <LibGUI/AbstractView.h>
namespace GUI {
class ColumnsView : public AbstractView {
C_OBJECT(ColumnsView)
public:
int model_column() const { return m_model_column; }
void set_model_column(int column) { m_model_column = column; }
virtual ModelIndex index_at_event_position(Gfx::IntPoint) const override;
virtual Gfx::IntRect content_rect(ModelIndex const&) const override;
virtual Gfx::IntRect paint_invalidation_rect(ModelIndex const&) const override;
virtual void scroll_into_view(ModelIndex const&, bool scroll_horizontally, bool scroll_vertically) override;
private:
ColumnsView();
virtual ~ColumnsView() override = default;
void push_column(ModelIndex const& parent_index);
void update_column_sizes();
int item_height() const { return 18; }
int icon_size() const { return 16; }
int icon_spacing() const { return 2; }
int text_padding() const { return 2; }
int column_separator_width() const { return 1; }
virtual void model_did_update(unsigned flags) override;
virtual void second_paint_event(PaintEvent&) override;
virtual void paint_event(PaintEvent&) override;
virtual void mousedown_event(MouseEvent& event) override;
virtual void mousemove_event(MouseEvent&) override;
virtual void mouseup_event(MouseEvent&) override;
virtual void select_range(ModelIndex const&) override;
void move_cursor(CursorMovement, SelectionUpdate) override;
virtual void select_all() override;
struct Column {
ModelIndex parent_index;
int width;
// TODO: per-column vertical scroll?
};
Optional<Column> column_at_event_position(Gfx::IntPoint) const;
ModelIndex index_at_event_position_in_column(Gfx::IntPoint, Column const&) const;
Gfx::IntRect index_content_rect(ModelIndex const&);
bool m_rubber_banding { false };
int m_rubber_band_origin { 0 };
Column m_rubber_band_origin_column;
int m_rubber_band_current { 0 };
Vector<Column> m_columns;
int m_model_column { 0 };
};
}
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