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https://github.com/RGBCube/serenity
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a252c3e058
A Shortcut can now be either have a keyboard key, or a mouse button, along with any modifiers. Decided to add an extra type field instead of subclassing, which means callers will have to be a little careful before accessing a particular input method's "key", but it keeps things simple for now.
95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Geordie Hall <me@geordiehall.com>
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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/Traits.h>
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#include <Kernel/API/KeyCode.h>
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#include <LibGUI/Event.h>
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namespace GUI {
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class Shortcut {
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public:
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Shortcut() = default;
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Shortcut(u8 modifiers, KeyCode key)
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: m_type(Type::Keyboard)
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, m_modifiers(modifiers)
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, m_keyboard_key(key)
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{
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}
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Shortcut(KeyCode key)
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: m_type(Type::Keyboard)
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, m_modifiers(0)
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, m_keyboard_key(key)
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{
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}
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Shortcut(u8 modifiers, MouseButton button)
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: m_type(Type::Mouse)
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, m_modifiers(modifiers)
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, m_mouse_button(button)
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{
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}
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Shortcut(MouseButton button)
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: m_type(Type::Mouse)
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, m_modifiers(0)
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, m_mouse_button(button)
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{
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}
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enum class Type : u8 {
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Keyboard,
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Mouse,
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};
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String to_string() const;
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Type type() const { return m_type; }
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bool is_valid() const { return m_type == Type::Keyboard ? (m_keyboard_key != Key_Invalid) : (m_mouse_button != MouseButton::None); }
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u8 modifiers() const { return m_modifiers; }
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KeyCode key() const
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{
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VERIFY(m_type == Type::Keyboard);
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return m_keyboard_key;
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}
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MouseButton mouse_button() const
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{
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VERIFY(m_type == Type::Mouse);
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return m_mouse_button;
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}
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bool operator==(Shortcut const& other) const
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{
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return m_modifiers == other.m_modifiers && m_type == other.m_type && m_keyboard_key == other.m_keyboard_key && m_mouse_button == other.m_mouse_button;
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}
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private:
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Type m_type { Type::Keyboard };
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u8 m_modifiers { 0 };
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KeyCode m_keyboard_key { KeyCode::Key_Invalid };
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MouseButton m_mouse_button { MouseButton::None };
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};
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}
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namespace AK {
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template<>
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struct Traits<GUI::Shortcut> : public GenericTraits<GUI::Shortcut> {
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static unsigned hash(const GUI::Shortcut& shortcut)
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{
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auto base_hash = pair_int_hash(shortcut.modifiers(), (u32)shortcut.type());
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if (shortcut.type() == GUI::Shortcut::Type::Keyboard) {
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return pair_int_hash(base_hash, shortcut.key());
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} else {
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return pair_int_hash(base_hash, shortcut.mouse_button());
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}
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}
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};
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}
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