/src/serenity/Userland/Libraries/LibWeb/UIEvents/MouseButton.h
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1 | | /* |
2 | | * Copyright (c) 2024, Andreas Kling <kling@serenityos.org> |
3 | | * |
4 | | * SPDX-License-Identifier: BSD-2-Clause |
5 | | */ |
6 | | |
7 | | #pragma once |
8 | | |
9 | | #include <AK/Assertions.h> |
10 | | #include <AK/EnumBits.h> |
11 | | #include <AK/Types.h> |
12 | | |
13 | | namespace Web::UIEvents { |
14 | | |
15 | | enum MouseButton : u8 { |
16 | | None = 0, |
17 | | Primary = 1, |
18 | | Secondary = 2, |
19 | | Middle = 4, |
20 | | Backward = 8, |
21 | | Forward = 16, |
22 | | }; |
23 | | |
24 | | AK_ENUM_BITWISE_OPERATORS(MouseButton); |
25 | | |
26 | | // https://www.w3.org/TR/uievents/#dom-mouseevent-button |
27 | | constexpr i16 mouse_button_to_button_code(MouseButton button) |
28 | 0 | { |
29 | 0 | switch (button) { |
30 | 0 | case MouseButton::Primary: |
31 | 0 | return 0; |
32 | 0 | case MouseButton::Middle: |
33 | 0 | return 1; |
34 | 0 | case MouseButton::Secondary: |
35 | 0 | return 2; |
36 | 0 | case MouseButton::Backward: |
37 | 0 | return 3; |
38 | 0 | case MouseButton::Forward: |
39 | 0 | return 4; |
40 | 0 | default: |
41 | 0 | VERIFY_NOT_REACHED(); |
42 | 0 | } |
43 | 0 | } |
44 | | |
45 | | // https://www.w3.org/TR/uievents/#dom-mouseevent-button |
46 | | constexpr MouseButton button_code_to_mouse_button(i16 button) |
47 | 0 | { |
48 | 0 | if (button == 0) |
49 | 0 | return MouseButton::Primary; |
50 | 0 | if (button == 1) |
51 | 0 | return MouseButton::Middle; |
52 | 0 | if (button == 2) |
53 | 0 | return MouseButton::Secondary; |
54 | 0 | if (button == 3) |
55 | 0 | return MouseButton::Backward; |
56 | 0 | if (button == 4) |
57 | 0 | return MouseButton::Forward; |
58 | 0 | return MouseButton::None; |
59 | 0 | } |
60 | | |
61 | | } |