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@ -1,164 +0,0 @@
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#include "DirectInputJoystick.h"
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#include <QDebug>
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DirectInputJoystick::DirectInputJoystick(QObject *parent) : QObject(parent) {
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// 确保 COM 库在主线程初始化
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CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
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}
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DirectInputJoystick::~DirectInputJoystick() {
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cleanup();
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CoUninitialize();
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}
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bool DirectInputJoystick::initialize() {
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HRESULT hr = DirectInput8Create(
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GetModuleHandle(nullptr),
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DIRECTINPUT_VERSION,
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IID_IDirectInput8,
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(VOID**)&m_pDirectInput,
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nullptr
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);
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if (FAILED(hr)) {
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emit errorOccurred("无法创建 DirectInput 对象");
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return false;
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}
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// 枚举所有摇杆设备
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hr = m_pDirectInput->EnumDevices(
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DI8DEVCLASS_GAMECTRL,
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enumJoysticksCallback,
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this,
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DIEDFL_ATTACHEDONLY
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);
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return SUCCEEDED(hr);
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}
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BOOL CALLBACK DirectInputJoystick::enumJoysticksCallback(const DIDEVICEINSTANCE* instance, VOID* context) {
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DirectInputJoystick* joystick = static_cast<DirectInputJoystick*>(context);
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return joystick->setupDevice();
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}
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bool DirectInputJoystick::setupDevice() {
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if (!m_pDirectInput) return false;
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// 创建设备
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HRESULT hr = m_pDirectInput->CreateDevice(
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GUID_Joystick,
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&m_pJoystick,
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nullptr
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);
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if (FAILED(hr)) {
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emit errorOccurred("无法创建摇杆设备");
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return false;
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}
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// 设置数据格式
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hr = m_pJoystick->SetDataFormat(&c_dfDIJoystick);
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if (FAILED(hr)) {
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emit errorOccurred("设置数据格式失败");
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return false;
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}
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// 设置协作级别
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hr = m_pJoystick->SetCooperativeLevel(
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nullptr, // 无窗口句柄
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DISCL_BACKGROUND | DISCL_NONEXCLUSIVE
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);
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// 枚举轴并设置范围
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hr = m_pJoystick->EnumObjects(enumAxesCallback, this, DIDFT_AXIS);
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if (FAILED(hr)) {
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emit errorOccurred("枚举摇杆轴失败");
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return false;
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}
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// 创建事件对象
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m_hEvent = CreateEvent(nullptr, FALSE, FALSE, nullptr);
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hr = m_pJoystick->SetEventNotification(m_hEvent);
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if (FAILED(hr)) {
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emit errorOccurred("设置事件通知失败");
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return false;
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}
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return true;
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}
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BOOL CALLBACK DirectInputJoystick::enumAxesCallback(const DIDEVICEOBJECTINSTANCE* doi, VOID* context) {
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DirectInputJoystick* joystick = static_cast<DirectInputJoystick*>(context);
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DIPROPRANGE diprg;
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diprg.diph.dwSize = sizeof(DIPROPRANGE);
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diprg.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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diprg.diph.dwHow = DIPH_BYID;
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diprg.diph.dwObj = doi->dwType;
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diprg.lMin = -1000;
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diprg.lMax = 1000;
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HRESULT hr = joystick->m_pJoystick->SetProperty(DIPROP_RANGE, &diprg.diph);
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return SUCCEEDED(hr);
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}
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void DirectInputJoystick::startListening() {
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if (!m_pJoystick || m_isRunning) return;
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m_isRunning = true;
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m_workerThread = QThread::create([this]() {
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m_pJoystick->Acquire();
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while (m_isRunning) {
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WaitForSingleObject(m_hEvent, INFINITE);
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DIJOYSTATE state;
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HRESULT hr = m_pJoystick->GetDeviceState(sizeof(DIJOYSTATE), &state);
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if (SUCCEEDED(hr)) {
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// 处理轴数据
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double x = state.lX / 1000.0;
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double y = state.lY / 1000.0;
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double z = state.lZ / 1000.0;
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emit axisChanged(0, x);
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emit axisChanged(1, y);
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emit axisChanged(2, z);
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// 处理按钮
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for (int i = 0; i < 32; ++i) {
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if(lastState.rgbButtons[i]!=state.rgbButtons[i])
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{
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bool pressed = (state.rgbButtons[i] & 0x80) != 0;
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emit buttonChanged(i, pressed);
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}
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}
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if(lastState.rgdwPOV[0]!=state.rgdwPOV[0])
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{
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emit directionChanged(state.rgdwPOV[0]/100);
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}
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}
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lastState = state;
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}
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});
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connect(m_workerThread, &QThread::finished, m_workerThread, &QThread::deleteLater);
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m_workerThread->start();
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}
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void DirectInputJoystick::cleanup() {
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m_isRunning = false;
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if (m_hEvent) {
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CloseHandle(m_hEvent);
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m_hEvent = nullptr;
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}
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if (m_pJoystick) {
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m_pJoystick->Unacquire();
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m_pJoystick->Release();
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m_pJoystick = nullptr;
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}
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if (m_pDirectInput) {
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m_pDirectInput->Release();
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m_pDirectInput = nullptr;
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}
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}
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