9b6fab264f
This patch adds the ability to select multiple entries in a column using a rubber band selection. Currently the implementation is lacking support for expanding a selection using the ctrl modifier.
66 lines
2 KiB
C++
66 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Vector.h>
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#include <LibGUI/AbstractView.h>
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namespace GUI {
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class ColumnsView : public AbstractView {
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C_OBJECT(ColumnsView)
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public:
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int model_column() const { return m_model_column; }
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void set_model_column(int column) { m_model_column = column; }
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virtual ModelIndex index_at_event_position(Gfx::IntPoint const&) const override;
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virtual Gfx::IntRect content_rect(ModelIndex const&) const override;
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virtual Gfx::IntRect paint_invalidation_rect(ModelIndex const&) const override;
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private:
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ColumnsView();
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virtual ~ColumnsView() override = default;
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void push_column(ModelIndex const& parent_index);
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void update_column_sizes();
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int item_height() const { return 18; }
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int icon_size() const { return 16; }
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int icon_spacing() const { return 2; }
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int text_padding() const { return 2; }
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virtual void model_did_update(unsigned flags) override;
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virtual void second_paint_event(PaintEvent&) override;
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virtual void paint_event(PaintEvent&) override;
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virtual void mousedown_event(MouseEvent& event) override;
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virtual void mousemove_event(MouseEvent&) override;
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virtual void mouseup_event(MouseEvent&) override;
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virtual void select_range(ModelIndex const&) override;
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void move_cursor(CursorMovement, SelectionUpdate) override;
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virtual void select_all() override;
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struct Column {
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ModelIndex parent_index;
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int width;
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// TODO: per-column vertical scroll?
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};
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Optional<Column> column_at_event_position(Gfx::IntPoint const&) const;
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ModelIndex index_at_event_position_in_column(Gfx::IntPoint const&, Column const&) const;
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bool m_rubber_banding { false };
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int m_rubber_band_origin { 0 };
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Column m_rubber_band_origin_column;
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int m_rubber_band_current { 0 };
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Vector<Column> m_columns;
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int m_model_column { 0 };
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};
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}
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