yuzu/src/core/hid/emulated_devices.cpp

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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included
#include <algorithm>
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#include <fmt/format.h>
#include "core/hid/emulated_devices.h"
#include "core/hid/input_converter.h"
namespace Core::HID {
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EmulatedDevices::EmulatedDevices() = default;
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EmulatedDevices::~EmulatedDevices() = default;
void EmulatedDevices::ReloadFromSettings() {
ReloadInput();
}
void EmulatedDevices::ReloadInput() {
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// If you load any device here add the equivalent to the UnloadInput() function
std::size_t key_index = 0;
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for (auto& mouse_device : mouse_button_devices) {
Common::ParamPackage mouse_params;
mouse_params.Set("engine", "mouse");
mouse_params.Set("button", static_cast<int>(key_index));
mouse_device = Common::Input::CreateDevice<Common::Input::InputDevice>(mouse_params);
key_index++;
}
mouse_stick_device = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
"engine:mouse,axis_x:0,axis_y:1");
// First two axis are reserved for mouse position
key_index = 2;
for (auto& mouse_device : mouse_analog_devices) {
Common::ParamPackage mouse_params;
mouse_params.Set("engine", "mouse");
mouse_params.Set("axis", static_cast<int>(key_index));
mouse_device = Common::Input::CreateDevice<Common::Input::InputDevice>(mouse_params);
key_index++;
}
key_index = 0;
for (auto& keyboard_device : keyboard_devices) {
// Keyboard keys are only mapped on port 1, pad 0
Common::ParamPackage keyboard_params;
keyboard_params.Set("engine", "keyboard");
keyboard_params.Set("button", static_cast<int>(key_index));
keyboard_params.Set("port", 1);
keyboard_params.Set("pad", 0);
keyboard_device = Common::Input::CreateDevice<Common::Input::InputDevice>(keyboard_params);
key_index++;
}
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key_index = 0;
for (auto& keyboard_device : keyboard_modifier_devices) {
// Keyboard moddifiers are only mapped on port 1, pad 1
Common::ParamPackage keyboard_params;
keyboard_params.Set("engine", "keyboard");
keyboard_params.Set("button", static_cast<int>(key_index));
keyboard_params.Set("port", 1);
keyboard_params.Set("pad", 1);
keyboard_device = Common::Input::CreateDevice<Common::Input::InputDevice>(keyboard_params);
key_index++;
}
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for (std::size_t index = 0; index < mouse_button_devices.size(); ++index) {
if (!mouse_button_devices[index]) {
continue;
}
mouse_button_devices[index]->SetCallback({
.on_change =
[this, index](const Common::Input::CallbackStatus& callback) {
SetMouseButton(callback, index);
},
});
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}
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for (std::size_t index = 0; index < mouse_analog_devices.size(); ++index) {
if (!mouse_analog_devices[index]) {
continue;
}
mouse_analog_devices[index]->SetCallback({
.on_change =
[this, index](const Common::Input::CallbackStatus& callback) {
SetMouseAnalog(callback, index);
},
});
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}
if (mouse_stick_device) {
mouse_stick_device->SetCallback({
.on_change =
[this](const Common::Input::CallbackStatus& callback) { SetMouseStick(callback); },
});
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}
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for (std::size_t index = 0; index < keyboard_devices.size(); ++index) {
if (!keyboard_devices[index]) {
continue;
}
keyboard_devices[index]->SetCallback({
.on_change =
[this, index](const Common::Input::CallbackStatus& callback) {
SetKeyboardButton(callback, index);
},
});
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}
for (std::size_t index = 0; index < keyboard_modifier_devices.size(); ++index) {
if (!keyboard_modifier_devices[index]) {
continue;
}
keyboard_modifier_devices[index]->SetCallback({
.on_change =
[this, index](const Common::Input::CallbackStatus& callback) {
SetKeyboardModifier(callback, index);
},
});
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}
}
void EmulatedDevices::UnloadInput() {
for (auto& button : mouse_button_devices) {
button.reset();
}
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for (auto& analog : mouse_analog_devices) {
analog.reset();
}
mouse_stick_device.reset();
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for (auto& button : keyboard_devices) {
button.reset();
}
for (auto& button : keyboard_modifier_devices) {
button.reset();
}
}
void EmulatedDevices::EnableConfiguration() {
is_configuring = true;
SaveCurrentConfig();
}
void EmulatedDevices::DisableConfiguration() {
is_configuring = false;
}
bool EmulatedDevices::IsConfiguring() const {
return is_configuring;
}
void EmulatedDevices::SaveCurrentConfig() {
if (!is_configuring) {
return;
}
}
void EmulatedDevices::RestoreConfig() {
if (!is_configuring) {
return;
}
ReloadFromSettings();
}
void EmulatedDevices::SetKeyboardButton(const Common::Input::CallbackStatus& callback,
std::size_t index) {
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if (index >= device_status.keyboard_values.size()) {
return;
}
std::unique_lock lock{mutex};
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bool value_changed = false;
const auto new_status = TransformToButton(callback);
auto& current_status = device_status.keyboard_values[index];
current_status.toggle = new_status.toggle;
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// Update button status with current status
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if (!current_status.toggle) {
current_status.locked = false;
if (current_status.value != new_status.value) {
current_status.value = new_status.value;
value_changed = true;
}
} else {
// Toggle button and lock status
if (new_status.value && !current_status.locked) {
current_status.locked = true;
current_status.value = !current_status.value;
value_changed = true;
}
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// Unlock button, ready for next press
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if (!new_status.value && current_status.locked) {
current_status.locked = false;
}
}
if (!value_changed) {
return;
}
if (is_configuring) {
lock.unlock();
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TriggerOnChange(DeviceTriggerType::Keyboard);
return;
}
// Index should be converted from NativeKeyboard to KeyboardKeyIndex
UpdateKey(index, current_status.value);
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lock.unlock();
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TriggerOnChange(DeviceTriggerType::Keyboard);
}
void EmulatedDevices::UpdateKey(std::size_t key_index, bool status) {
constexpr std::size_t KEYS_PER_BYTE = 8;
auto& entry = device_status.keyboard_state.key[key_index / KEYS_PER_BYTE];
const u8 mask = static_cast<u8>(1 << (key_index % KEYS_PER_BYTE));
if (status) {
entry = entry | mask;
} else {
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entry = static_cast<u8>(entry & ~mask);
}
}
void EmulatedDevices::SetKeyboardModifier(const Common::Input::CallbackStatus& callback,
std::size_t index) {
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if (index >= device_status.keyboard_moddifier_values.size()) {
return;
}
std::unique_lock lock{mutex};
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bool value_changed = false;
const auto new_status = TransformToButton(callback);
auto& current_status = device_status.keyboard_moddifier_values[index];
current_status.toggle = new_status.toggle;
// Update button status with current
if (!current_status.toggle) {
current_status.locked = false;
if (current_status.value != new_status.value) {
current_status.value = new_status.value;
value_changed = true;
}
} else {
// Toggle button and lock status
if (new_status.value && !current_status.locked) {
current_status.locked = true;
current_status.value = !current_status.value;
value_changed = true;
}
// Unlock button ready for next press
if (!new_status.value && current_status.locked) {
current_status.locked = false;
}
}
if (!value_changed) {
return;
}
if (is_configuring) {
lock.unlock();
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TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
return;
}
switch (index) {
case Settings::NativeKeyboard::LeftControl:
case Settings::NativeKeyboard::RightControl:
device_status.keyboard_moddifier_state.control.Assign(current_status.value);
break;
case Settings::NativeKeyboard::LeftShift:
case Settings::NativeKeyboard::RightShift:
device_status.keyboard_moddifier_state.shift.Assign(current_status.value);
break;
case Settings::NativeKeyboard::LeftAlt:
device_status.keyboard_moddifier_state.left_alt.Assign(current_status.value);
break;
case Settings::NativeKeyboard::RightAlt:
device_status.keyboard_moddifier_state.right_alt.Assign(current_status.value);
break;
case Settings::NativeKeyboard::CapsLock:
device_status.keyboard_moddifier_state.caps_lock.Assign(current_status.value);
break;
case Settings::NativeKeyboard::ScrollLock:
device_status.keyboard_moddifier_state.scroll_lock.Assign(current_status.value);
break;
case Settings::NativeKeyboard::NumLock:
device_status.keyboard_moddifier_state.num_lock.Assign(current_status.value);
break;
}
lock.unlock();
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TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
}
void EmulatedDevices::SetMouseButton(const Common::Input::CallbackStatus& callback,
std::size_t index) {
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if (index >= device_status.mouse_button_values.size()) {
return;
}
std::unique_lock lock{mutex};
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bool value_changed = false;
const auto new_status = TransformToButton(callback);
auto& current_status = device_status.mouse_button_values[index];
current_status.toggle = new_status.toggle;
// Update button status with current
if (!current_status.toggle) {
current_status.locked = false;
if (current_status.value != new_status.value) {
current_status.value = new_status.value;
value_changed = true;
}
} else {
// Toggle button and lock status
if (new_status.value && !current_status.locked) {
current_status.locked = true;
current_status.value = !current_status.value;
value_changed = true;
}
// Unlock button ready for next press
if (!new_status.value && current_status.locked) {
current_status.locked = false;
}
}
if (!value_changed) {
return;
}
if (is_configuring) {
lock.unlock();
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TriggerOnChange(DeviceTriggerType::Mouse);
return;
}
switch (index) {
case Settings::NativeMouseButton::Left:
device_status.mouse_button_state.left.Assign(current_status.value);
break;
case Settings::NativeMouseButton::Right:
device_status.mouse_button_state.right.Assign(current_status.value);
break;
case Settings::NativeMouseButton::Middle:
device_status.mouse_button_state.middle.Assign(current_status.value);
break;
case Settings::NativeMouseButton::Forward:
device_status.mouse_button_state.forward.Assign(current_status.value);
break;
case Settings::NativeMouseButton::Back:
device_status.mouse_button_state.back.Assign(current_status.value);
break;
}
lock.unlock();
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TriggerOnChange(DeviceTriggerType::Mouse);
}
void EmulatedDevices::SetMouseAnalog(const Common::Input::CallbackStatus& callback,
std::size_t index) {
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if (index >= device_status.mouse_analog_values.size()) {
return;
}
std::unique_lock lock{mutex};
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const auto analog_value = TransformToAnalog(callback);
device_status.mouse_analog_values[index] = analog_value;
if (is_configuring) {
device_status.mouse_position_state = {};
lock.unlock();
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TriggerOnChange(DeviceTriggerType::Mouse);
return;
}
switch (index) {
case Settings::NativeMouseWheel::X:
device_status.mouse_wheel_state.x = static_cast<s32>(analog_value.value);
break;
case Settings::NativeMouseWheel::Y:
device_status.mouse_wheel_state.y = static_cast<s32>(analog_value.value);
break;
}
lock.unlock();
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TriggerOnChange(DeviceTriggerType::Mouse);
}
void EmulatedDevices::SetMouseStick(const Common::Input::CallbackStatus& callback) {
std::unique_lock lock{mutex};
const auto touch_value = TransformToTouch(callback);
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device_status.mouse_stick_value = touch_value;
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if (is_configuring) {
device_status.mouse_position_state = {};
lock.unlock();
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TriggerOnChange(DeviceTriggerType::Mouse);
return;
}
device_status.mouse_position_state.x = touch_value.x.value;
device_status.mouse_position_state.y = touch_value.y.value;
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lock.unlock();
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TriggerOnChange(DeviceTriggerType::Mouse);
}
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KeyboardValues EmulatedDevices::GetKeyboardValues() const {
std::scoped_lock lock{mutex};
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return device_status.keyboard_values;
}
KeyboardModifierValues EmulatedDevices::GetKeyboardModdifierValues() const {
std::scoped_lock lock{mutex};
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return device_status.keyboard_moddifier_values;
}
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MouseButtonValues EmulatedDevices::GetMouseButtonsValues() const {
std::scoped_lock lock{mutex};
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return device_status.mouse_button_values;
}
KeyboardKey EmulatedDevices::GetKeyboard() const {
std::scoped_lock lock{mutex};
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return device_status.keyboard_state;
}
KeyboardModifier EmulatedDevices::GetKeyboardModifier() const {
std::scoped_lock lock{mutex};
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return device_status.keyboard_moddifier_state;
}
MouseButton EmulatedDevices::GetMouseButtons() const {
std::scoped_lock lock{mutex};
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return device_status.mouse_button_state;
}
MousePosition EmulatedDevices::GetMousePosition() const {
std::scoped_lock lock{mutex};
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return device_status.mouse_position_state;
}
AnalogStickState EmulatedDevices::GetMouseWheel() const {
std::scoped_lock lock{mutex};
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return device_status.mouse_wheel_state;
}
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void EmulatedDevices::TriggerOnChange(DeviceTriggerType type) {
std::scoped_lock lock{callback_mutex};
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for (const auto& poller_pair : callback_list) {
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const InterfaceUpdateCallback& poller = poller_pair.second;
if (poller.on_change) {
poller.on_change(type);
}
}
}
int EmulatedDevices::SetCallback(InterfaceUpdateCallback update_callback) {
std::scoped_lock lock{callback_mutex};
callback_list.insert_or_assign(last_callback_key, std::move(update_callback));
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return last_callback_key++;
}
void EmulatedDevices::DeleteCallback(int key) {
std::scoped_lock lock{callback_mutex};
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const auto& iterator = callback_list.find(key);
if (iterator == callback_list.end()) {
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LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
return;
}
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callback_list.erase(iterator);
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}
} // namespace Core::HID