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Code Issues Activity Actions

LibGUI: Allow Shortcuts to have a mouse button associated with them

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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.
This commit is contained in:
Geordie Hall 2022-02-05 18:04:12 +11:00 • committed by Linus Groh
parent 8b9b836a0e
commit a252c3e058
2 changed files with 62 additions and 15 deletions
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16
Userland/Libraries/LibGUI/Shortcut.cpp
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Geordie Hall <me@geordiehall.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -24,10 +25,17 @@ String Shortcut::to_string() const
if (m_modifiers & Mod_Super)
parts.append("Super");
if (auto* key_name = key_code_to_string(m_key))
parts.append(key_name);
else
parts.append("(Invalid)");
if (m_type == Type::Keyboard) {
if (auto* key_name = key_code_to_string(m_keyboard_key))
parts.append(key_name);
else
parts.append("(Invalid)");
} else {
if (m_mouse_button != MouseButton::None)
parts.append(String::formatted("Mouse {}", mouse_button_to_string(m_mouse_button)));
else
parts.append("(Invalid)");
}
StringBuilder builder;
builder.join('+', parts);

61
Userland/Libraries/LibGUI/Shortcut.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Geordie Hall <me@geordiehall.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -8,6 +9,7 @@
#include <AK/Traits.h>
#include <Kernel/API/KeyCode.h>
#include <LibGUI/Event.h>
namespace GUI {
@ -15,30 +17,62 @@ class Shortcut {
public:
Shortcut() = default;
Shortcut(u8 modifiers, KeyCode key)
: m_modifiers(modifiers)
, m_key(key)
: m_type(Type::Keyboard)
, m_modifiers(modifiers)
, m_keyboard_key(key)
{
}
Shortcut(KeyCode key)
: m_modifiers(0)
, m_key(key)
: m_type(Type::Keyboard)
, m_modifiers(0)
, m_keyboard_key(key)
{
}
Shortcut(u8 modifiers, MouseButton button)
: m_type(Type::Mouse)
, m_modifiers(modifiers)
, m_mouse_button(button)
{
}
Shortcut(MouseButton button)
: m_type(Type::Mouse)
, m_modifiers(0)
, m_mouse_button(button)
{
}
bool is_valid() const { return m_key != KeyCode::Key_Invalid; }
u8 modifiers() const { return m_modifiers; }
KeyCode key() const { return m_key; }
enum class Type : u8 {
Keyboard,
Mouse,
};
String to_string() const;
Type type() const { return m_type; }
bool is_valid() const { return m_type == Type::Keyboard ? (m_keyboard_key != Key_Invalid) : (m_mouse_button != MouseButton::None); }
u8 modifiers() const { return m_modifiers; }
KeyCode key() const
{
VERIFY(m_type == Type::Keyboard);
return m_keyboard_key;
}
MouseButton mouse_button() const
{
VERIFY(m_type == Type::Mouse);
return m_mouse_button;
}
bool operator==(Shortcut const& other) const
{
return m_modifiers == other.m_modifiers
&& m_key == other.m_key;
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;
}
private:
Type m_type { Type::Keyboard };
u8 m_modifiers { 0 };
KeyCode m_key { KeyCode::Key_Invalid };
KeyCode m_keyboard_key { KeyCode::Key_Invalid };
MouseButton m_mouse_button { MouseButton::None };
};
}
@ -49,7 +83,12 @@ template<>
struct Traits<GUI::Shortcut> : public GenericTraits<GUI::Shortcut> {
static unsigned hash(const GUI::Shortcut& shortcut)
{
return pair_int_hash(shortcut.modifiers(), shortcut.key());
auto base_hash = pair_int_hash(shortcut.modifiers(), (u32)shortcut.type());
if (shortcut.type() == GUI::Shortcut::Type::Keyboard) {
return pair_int_hash(base_hash, shortcut.key());
} else {
return pair_int_hash(base_hash, shortcut.mouse_button());
}
}
};