ladybird/Libraries/LibWeb/UIEvents/MouseButton.h

61 lines
1.3 KiB
C++

/*
* Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Assertions.h>
#include <AK/EnumBits.h>
#include <AK/Types.h>
namespace Web::UIEvents {
enum MouseButton : u8 {
None = 0,
Primary = 1,
Secondary = 2,
Middle = 4,
Backward = 8,
Forward = 16,
};
AK_ENUM_BITWISE_OPERATORS(MouseButton);
// https://www.w3.org/TR/uievents/#dom-mouseevent-button
constexpr i16 mouse_button_to_button_code(MouseButton button)
{
switch (button) {
case MouseButton::Primary:
return 0;
case MouseButton::Middle:
return 1;
case MouseButton::Secondary:
return 2;
case MouseButton::Backward:
return 3;
case MouseButton::Forward:
return 4;
default:
VERIFY_NOT_REACHED();
}
}
// https://www.w3.org/TR/uievents/#dom-mouseevent-button
constexpr MouseButton button_code_to_mouse_button(i16 button)
{
if (button == 0)
return MouseButton::Primary;
if (button == 1)
return MouseButton::Middle;
if (button == 2)
return MouseButton::Secondary;
if (button == 3)
return MouseButton::Backward;
if (button == 4)
return MouseButton::Forward;
return MouseButton::None;
}
}