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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@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 <LibGUI/AbstractView.h>
30
31namespace GUI {
32
33class ListView : public AbstractView {
34 C_OBJECT(ListView)
35public:
36 virtual ~ListView() override;
37
38 int item_height() const { return 16; }
39
40 bool alternating_row_colors() const { return m_alternating_row_colors; }
41 void set_alternating_row_colors(bool b) { m_alternating_row_colors = b; }
42
43 int horizontal_padding() const { return m_horizontal_padding; }
44
45 void scroll_into_view(const ModelIndex&, Orientation);
46
47 Gfx::Point adjusted_position(const Gfx::Point&) const;
48
49 virtual ModelIndex index_at_event_position(const Gfx::Point&) const override;
50 virtual Gfx::Rect content_rect(const ModelIndex&) const override;
51
52 int model_column() const { return m_model_column; }
53 void set_model_column(int column) { m_model_column = column; }
54
55 virtual void select_all() override;
56private:
57 ListView();
58
59 virtual void did_update_model() override;
60 virtual void paint_event(PaintEvent&) override;
61 virtual void doubleclick_event(MouseEvent&) override;
62 virtual void keydown_event(KeyEvent&) override;
63 virtual void resize_event(ResizeEvent&) override;
64
65 Gfx::Rect content_rect(int row) const;
66 int item_count() const;
67 void update_content_size();
68
69 int m_horizontal_padding { 2 };
70 int m_model_column { 0 };
71 bool m_alternating_row_colors { true };
72};
73
74}