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Serenity Operating System
1/*
2 * Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/Vector.h>
30#include <LibGUI/AbstractView.h>
31
32namespace GUI {
33
34class ColumnsView : public AbstractView {
35 C_OBJECT(ColumnsView)
36public:
37 int model_column() const { return m_model_column; }
38 void set_model_column(int column) { m_model_column = column; }
39
40 virtual ModelIndex index_at_event_position(const Gfx::Point&) const override;
41
42private:
43 ColumnsView();
44 virtual ~ColumnsView() override;
45 void push_column(ModelIndex& parent_index);
46 void update_column_sizes();
47
48 int item_height() const { return 16; }
49 int icon_size() const { return 16; }
50 int icon_spacing() const { return 2; }
51 int text_padding() const { return 2; }
52
53 virtual void did_update_model() override;
54 virtual void paint_event(PaintEvent&) override;
55 virtual void mousedown_event(MouseEvent& event) override;
56 virtual void keydown_event(KeyEvent& event) override;
57
58 virtual void select_all() override;
59 struct Column {
60 ModelIndex parent_index;
61 int width;
62 // TODO: per-column vertical scroll?
63 };
64
65 Vector<Column> m_columns;
66 int m_model_column { 0 };
67};
68
69}